• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an air control device (10) for controlling an air flow in a vehicle, having a base body (20) with at least one mounting portion (22) for attaching to a vehicle body and an air opening (24), at least one lamella (30) being displaceably supported on the base body (20) between a closed and an open position, a driving device ( 40) being also fixed to the base body (20) in order to generate a displacement force for the at least one lamella (30) and a lever kinematic (50) being provided, which provides a functional connection between the device drive (40) and the at least one blade (30), the lever kinematics (50) having at least one drive lever (52) and is fixed in an end position of a keyhole opening of the base body (20).
    公开号:FR3026993A1
    申请号:FR1559462
    申请日:2015-10-05
    公开日:2016-04-15
    发明作者:Dimitar Danev；Markus Paulitsch
    申请人:Dr Ing HCF Porsche AG；
    IPC主号:
    专利说明:

    [0001] The present invention relates to an air control device for controlling an air flow in a vehicle. Such air control devices are in principle known. They serve for example to regulate air flows in order to regulate or control the load with an air flow, for example for a cooling device for the engine of a vehicle. Usually, such air control devices are provided with a plurality of slats which are movably supported between a closed position and an open position. Depending on the current operating situation, ie for example the outside temperature around the vehicle and the temperature of the internal combustion engine of the vehicle, the air flow can now be controlled or regulated. In order to move the slats between the open position and the closed position, a drive device is usually provided, for example in the form of an electric motor. A lever kinematic is often provided in operative connection between the lamella and the driving device in order to transfer the corresponding driving forces for adjusting the lamellae. A disadvantage of the known devices is that high mounting accuracy and therefore high cost are required in order to allow as accurate an orientation as possible of the individual moving components with respect to each other. In particular, the realization of the functional connection between the drive device, that is to say for example the output shaft of a drive motor, and the kinematic lever, that is to say say for example a drive lever lever kinematics, is very sensitive vis-à-vis the relative positioning of these components. Thus, a slight positioning error may cause axial offset or angular positioning of these components relative to each other. This results in at least a portion of the biasing in the form of driving forces being applied in the form of a torque or deflection force to the driving device, lever kinematics and / or a corresponding basic body of the air control device. This can lead to a fault or disturbance that reduces the durable resistance of the entire air control device system. Increased friction and therefore increased wear may also occur. The present invention aims to remedy at least in part the disadvantages described above. In particular, the object of the present invention is to improve in an economical and simple manner the possibility of mounting and in particular to increase the safety of use. The aforementioned object is achieved by an air control device and a mounting method according to the invention. Other features and features of the invention result from the description and drawings. The characteristics and features which are described in connection with the air control device according to the invention are obviously also valid in connection with the mounting method according to the invention and vice versa, so that reference or that the disclosure may be referred to the individual aspects of the invention in an always interchangeable manner. An air control device according to the invention serves to control an air flow in a vehicle. For this, the air control device has a base body with at least one mounting portion for attachment to a vehicle body and with an air opening. On the base body is displaceably supported at least one lamella between a closed position closing the air opening and an open position opening the air opening. In this case, a drive device is further secured to the base body to produce a displacement force for the at least one lamella. In addition, there is provided a levered kinematics which makes or establishes a functional connection between the driving device and the at least one lamella. An air control device according to the invention is characterized in that the lever kinematics has at least one drive lever which is in operative connection transmitting the torque with the driving device. In addition, the drive lever 30 is fixed in an end position of a keyhole opening of the base body. An air control device according to the invention also serves to control a flow of air that enters from the outside into the vehicle. Control in this case within the meaning of the present invention both regulation and control. Such an air flow can for example move inside the vehicle along corresponding cooling surfaces of a cooling device for the internal combustion engine, in order to control the cooling power of the vehicle. or for the vehicle. The base body may for example be made of plastic and be manufactured in particular as an injection molded component. This base body can be attached to the vehicle body by means of a mounting portion. In this case, conventional mounting means can be used in the form of screws, rivets, bonded joints or welded joints as well as snap connections. In order to allow in principle the passage of air through the air control device, provision is made for the opening of air which can be opened or closed by the at least one lamella. If two or more slats are provided, these are provided in their entire extent with a cross-section similar to the free cross section of the air opening, so that the slats can together, preferably with a small overlap portion, close the air opening. In this case, the slats are preferably rotatably supported in terms of their movable support, so that they can effect a pivoting or rotational movement between the respective closed position and the respective open position. Preferably, the lamellae are in operative connection with one another, in particular by way of a lever kinematics, so that they can perform a common parallel movement. Thus, all the slats are always in the same position, that is to say completely in the closed position, completely in the open position, or all completely in an identical intermediate position. The driving device according to the invention is preferably embodied as a motor so that a corresponding motor driving force can be provided. In this case, the lever kinematics is used to transfer this driving force from the driving device 30 to the respective blade. The lever kinematics is in this case configured at one of its ends as an input to receive the corresponding driving force from an output shaft of the driving device. At its other end a force transfer corresponding to the individual lamellae can be effected in the form of a direct force or in the form of a combination of forces and torques or exclusively in the form of torques. According to the invention, the drive lever of the kinematics lever is now fixed in a special way. Thus, in an air control device according to the invention, the base body has a keyhole opening. By keyhole opening, it is understood in the sense of the present invention, an orifice or a hole which has different free cross sections. Thus, it is appropriate to distinguish between a wide-hole opening portion and a narrow-hole opening portion of the keyhole opening. In the wide-hole opening portion, the drive lever may be guided through the opening to achieve its defined position in the axial orientation. In a second step, the drive lever is only moved laterally or parallel to the keyhole opening and is then moved into the second portion of the keyhole opening having the reduced free cross section. In this position, there is only an axial attachment of the driver by the geometric correlation with the reduced free cross-section of the keyhole opening. At the edge of the keyhole opening, in its second portion, the end position is defined by a corresponding abutment of the drive lever in this end position.
    [0002] By correlating a corresponding keyhole opening and the drive lever, the mounting is now greatly simplified. Thus, by the corresponding precise manufacture of the keyhole opening, a definite and simple mounting possibility is achieved which is based on the simple mounting steps of a guide and a lateral movement. Thanks to these simple assembly steps, the complexity of manufacturing is significantly reduced. At the same time, thanks to the prior establishment of an end position defined by means of the keyhole opening, an exact axial or angular orientation of the drive lever relative to the basic body is however possible.
    [0003] As furthermore the base body preferably also has a corresponding fixing interface for the driving device, it is now possible to obtain with the base body as a reference component a reduced tolerance threshold correspondingly and by therefore, increased positioning accuracy for the relative position between the driving lever and the driving device. This increased positioning accuracy is associated with reduced complexity in terms of mounting, so that the benefits described can be obtained. Because of the reduced mounting complexity and improved orientation of the individual components relative to each other, undesirable force flows during the operation of the air control device can now be avoided. . In particular, by a better coaxial orientation of the driving lever and the driving device, a bearing torque and increased friction thus produced can be partially or completely avoided. The necessary adjustment precision in terms of this defined relative positioning is in this case essentially limited to the basic body, since it has all the interfaces with the components to be positioned. Such a basic body may for example be manufactured by a plastic injection molding process, so that it can also acquire this reference accuracy with reduced tolerances in an economical and simple manner. Of course, such a keyhole opening may also be produced later, for example by chip removal machining. It is furthermore also advantageous, in an air control device according to the invention, for the lever kinematics to be in operative connection with the at least one lamella, between the driving lever and the at least one lamella a connection lever which is rotatably supported on the base body in particular with an axis of rotation parallel to the axis of rotation of the drive lever. In this case, the axis of rotation of the driving lever is preferably offset laterally and parallel to the axis of rotation of the connecting lever. In this case, a connecting lever preferably has an axis of rotation for each strip, so that when two or more lamellae are present, correspondingly two or more rotational axes are also provided. preferably in parallel. Thus, a connection lever can correspondingly also have several components in order to be able, in addition to the transmission, to provide a corresponding division of the drive forces to be transmitted to the individual lamellae. In addition, the lever kinematics may have a central rib which, when the individual lamellae extend axially in length, provides additional stabilization. This central rib can be attached to multiple lamellae simultaneously to avoid sagging and to provide a defined distance also in the case of axially elongated lamellae. It can also be envisaged that this central rib has a rotary support for the lamellae so as to be further correspondingly fixed to the base body. The connection lever now serves to receive the driving force of the drive lever, to distribute this driving force and to transfer it to the slats.
    [0004] An additional advantage can be obtained when, in the case of an air control device according to the invention, the base body has, in the region of the keyhole opening, in particular at the edge of the keyhole opening, at least one fixing rib for fixing the driving lever. This means that the attachment can preferably be performed automatically in the form of a snap connection. For this purpose, the fixing rib can be made in elastic form. In the two assembly steps already explained, the movement of the drive lever in the end position is then performed in the second step. In this case, the fastening rib 15 can bend elastically away from this displacement and therefore the component of the drive lever and snap back into its elastic base position in the end position. In this case, the drive lever is fixed in a simple and above all automatic manner in the defined end position. At the same time, the corresponding fixing rib and detent provide haptic and optical and even acoustic information indicating that the drive lever is now in the end position for this mounting step. This further increases the mounting security while at the same time reducing the complexity of this mounting step. In addition, a reduction in the accuracy of the tolerances on the base body is possible here because at this point the fixing rib now exclusively provides the stop position defined as the end position for the drive lever. . Here, it is necessary to understand, by the edge of the keyhole opening, the peripheral edge contour of the keyhole opening or of the adjacent region. In particular, the fastening rib extends in this case perpendicularly or substantially perpendicularly to the direction of passage of the keyhole opening. An additional advantage is obtained when, in an air control device according to the invention, the driving lever 35 has a radial extent extending from both sides of the keyhole opening at least in part to the beyond the edge of the keyhole opening. This means that after the movement of movement in the end position, the axial attachment of the driving lever geometrically now prevents axial movement again out of the keyhole opening. In other words, the drive lever in this end position is now axially tight by its geometric extent and by the correlation with the edge of the keyhole opening. This secure axial fastening makes it possible to obtain a more compact construction of the entire system of the air control device and at the same time to increase the safety with regard to an undesirable loosening of the functional connection with the device. 'training. In particular, in this case, this axial attachment is provided with a radial extent over the entire periphery around the edge of the keyhole opening or around the edge of the drive lever. It is furthermore advantageous in the case of an air control device according to the invention that the drive lever has a bearing component which is fixed to the base body, and furthermore has a component of lever which is supported (or in particular supported) on the bearing component so as to be rotatable about an axis of rotation. These two components can obviously be made in one piece, integrally and / or monolithically with each other.
    [0005] In this case, the axis of rotation is preferably identical to the axis of rotation of an output shaft or of an output shaft of the drive device. The separation of these two functionalities, that is to say the reception of the driving force on the one hand and the movement of lever on the other hand, leads to a reduction of the complexity of the drive lever. In particular, in this case, the output axis of the driving device is oriented coaxially with the axis of rotation of the driving lever. The drive lever itself may in this case preferably be manufactured as a plastic component, particularly in the form of an injection molded component.
    [0006] An additional advantage can be obtained in the case of an air control device according to the invention, when the base body has at least one stiffening portion to increase the buckling rigidity of the base body in the region of the invention. the opening in keyhole. In order to increase the buckling stiffness of the base body 35 in the region of the keyhole opening, corresponding reinforcements of material and / or ribs can be provided accordingly. Separate structures consisting of separate components, which are attached to the base body with corresponding force transfer, can also provide this function. The advantage of this embodiment is that the warpage of the base body in the region of the keyhole opening, and therefore also in the region of the driving lever attachment, is reduced. Undesirable warping, which could correspondingly cause a shift in the coaxial orientation or an angular offset of the driving of the drive lever relative to the driving device, is thereby reduced. The mechanical stress of the output shaft, the base body and the drive lever is thus reduced, so that an improvement can be achieved in terms of stability of the components. It is also advantageous, in the case of an air control device according to the invention, that the base body has, in the direction of the air flow downstream of the at least one lamella, minus 15 a sliding portion with a sharp-edged and / or rounded embodiment with respect to the vehicle body components placed downstream in the direction of the air flow. Such a sliding portion is considered for the collision situation of the vehicle. If, for example, the air control device is at the front end or at the rear end of a vehicle, in the event of a corresponding driving accident, the air control device will be moved out of the use position towards the middle of the vehicle. During this movement, the sliding portion is now used so that the air control device can slide on the corresponding components, in particular on the components of the vehicle body placed downstream. Damage to the air control device and above all damage to the components of the bodywork mentioned are thus reduced or even completely avoided. In particular, damage to the air control device can be completely avoided in the case of small parking problems, so that the resulting repair costs can be considerably reduced. An air control device according to the invention can be improved in that the at least one lamella has at least one support lug for a support for a rotational attachment to the base body and / or a central rib. for or for the stabilization of the at least one coverslip. In particular, this support lug is made in flexible or resilient form so as to allow clipping or snap-fitting mounting. Depending on the use situation, large force constraints can act on the individual lamellae through a corresponding airflow. Such a support lug serves in particular at the level of the base body or at the level of the central rib to avoid undesirable disconnection of the rotating support. Simultaneously, to increase the safety of use, the complexity of the assembly is further reduced. Lateral sliding out of the corresponding rotary support is thus avoided in an efficient, economical and above all simple way. It is also advantageous, in the case of an air control device according to the invention, for the at least one lamella to have a carrier component and a covering or concealing component, the covering or concealing component. covering in particular the entire surface of the carrier component, which, in the case of the at least one lamella, is oriented towards the outside of the vehicle in the closed position. This leads to a considerable reduction in costs because now the mechanical stability can be ensured essentially exclusively by the carrier component. In this case, an economical material, for example a simple plastic, can be used. In order to obtain a positive optical effect and quality, the covering component can now optically conceal the carrier component, that is to say make it virtually invisible from the outside. By gluing, welding, snap-fastening or by another fastening or by two-component injection molding, it is possible to separate the lamella into a carrier component and a covering component. In this case, the covering component has a first class surface, for example a chrome or grained surface. The covering component is correspondingly made in a thinner and above all lighter form, since it preferably has no or almost no inherent mechanical stability.
    [0007] The present invention also relates to a mounting method for mounting an air control device, in particular according to the present invention, having the following steps: - introduction of a drive lever of a kinematic with a lever in a keyhole opening of a base body, 35 - moving the drive lever into a defined end position, - securing the drive lever in the defined end position - attaching a driving device in functional connection with transmission of torque with the driving lever on the base body; - fixing rotatably supported at least one lamella to the base body in operative connection with levered kinematics. On the basis of the mounting of an air control device according to the invention, a mounting method according to the invention provides the same advantages as those already exhaustively explained in connection with an air control device according to the invention. the invention. In this case, the attachment of the slat can obviously be performed at different times. The corresponding arrangement can also be carried out already before the introduction of the drive lever into the keyhole opening so that the functional link is established at the end. Other advantages, features and features of the invention result from the following description, in which are described in detail embodiments of the invention with reference to the drawings. In this case, the features mentioned in the description may be relevant to the invention in individual form in themselves or in any combination. The drawings schematically illustrate: in FIG. 1, an embodiment of an air control device in the open position, in FIG. 2, the embodiment of FIG. 1 with the slats in the closed position, in FIG. 3, the embodiment of FIGS. 1 and 2, in the rear view, in FIG. 4, the embodiment of FIGS. 1 to 3 in a detailed view of the lever kinematics, in FIG. 5, the embodiment of FIGS. 1 to 4 without the connection lever, in FIG. 6, the embodiment according to FIG. In the back view, in FIG. 7, the illustration of the keyhole opening without the drive lever, in FIG. 8, a side section through the drive lever in its end position, in FIG. 9, the operation in relation to a sliding portion, in FIG. 10, a side section through a two-part lamella and in FIG. 11 the functionality of a support bracket. Figures 1 and 2 illustrate, in view from the outside, an air control device 10 disposed on a vehicle 100. Figure 1 illustrates three strips 30 in the open position OP. Figure 2 illustrates the slats 30 in their closed position SP. Further, an air opening 24 is here illustrated through a corresponding base body 20, which is open for the air inlet in Fig. 1 and is closed for the air inlet in Fig. 2. This air control device 10 may for example serve to supply a cooling air cooling device. In FIG. 3 is illustrated the rear side of this air control device 10. A base body 20 serves to correspondingly secure the overall module of the air control device 10 to the vehicle 100 or to the bodywork. of the vehicle 100. For this purpose, mounting portions 22 are provided, which thus allow a defined positioning and / or a defined fixation. In the embodiment according to FIG. 3, a central rib 34 is provided, which is also fixed to the base body 20. It provides in the center support positions for the lamellae 30 in order to allow greater stability during operation. respective positioning of the slats 30. At the same time, a driving device 40 in the form of an electric motor is fixed at the right end to the base body 20. The lever kinematics 50 associated with the slats 30 is provided on the rear side. This lever kinematic is made in two parts with a drive lever 52 and a connection lever 54. These two levers are explained in more detail below with reference to FIG. 4. As can be seen in the figure 4, a keyhole opening 26 is provided in the base body 20. A drive lever 52 may be introduced and moved or shifted upwardly in the wide lower portion through this keyhole opening 26, which can be seen exactly in FIG. 7. During this movement, a fastening rib 27 of the base body 20 is moved so as to deform elastically and snap as soon as the drive lever 52 is in its end position EP. These are the two main mounting steps in the manufacture of an air control device 10 according to the invention.
    [0008] As can also be seen in FIG. 4, the connection lever 54, to receive the driving force of the drive lever 52, is provided with a corresponding interface. In this case, there is successively a distribution on the three strips 30 on corresponding axes of rotation of these strips 30, oriented in parallel offset. It can be seen again in FIGS. 5 and 6 how the drive lever 52 with two separate portions, namely the bearing component 52a and the lever component 52b, is in the end position EP of the opening It can already be clearly seen in this case, as also illustrated in section in FIG. 8, that the drive lever 52 protrudes on both sides of the keyhole opening 26 radially laterally. beyond the edge of the keyhole opening 26. This leads, in addition to the radially defined end position EP, to an end position defined axially EP.
    [0009] It is illustrated in FIG. 9 that in the case of a front or rear collision, a relative movement of the air control device 10 towards the body of the vehicle 100 may occur. The relative movement is illustrated with the large arrow and causes the sliding portion 28 to strike the body of the vehicle 100. The sliding portion 28, because of its sharp or rounded edges is able to slide on this component of the bodywork of the vehicle 100 and thus reduce the damage to a minimum. Figure 10 illustrates, in lateral cross-section, how a two-part plate 30 consisting of a carrier component 36 and a cover component 38 can be constructed. The carrier component 36 is made of a mechanical stability plastic and serves to provide the mechanical reinforcing structure. The covering component 38 is thin and is applied with little or no inherent mechanical stability to the carrier component 36 and serves to provide a pleasing optical appearance surface. FIG. 11 illustrates a possibility of fixing the positioning of the lamellae 30 by means of a support tab 32. The latter is configured in elastic or flexible form and, when mounting the corresponding rotary support, can be elastically deformed and then snap. In the latched position according to FIG. 11, this support tab 32 prevents slipping out of the corresponding rotary support 5, in FIG. 11 in this case on the central rib 34. The explanation of the above embodiments describes the present invention. invention exclusively in the context of examples. Individual features of the embodiments, to the extent that they are technically sound, can obviously be freely combined with each other without departing from the scope of the present invention. Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of the invention.
    权利要求:
    Claims (10)
    [0001]
    REVENDICATIONS1. An air control device (10) for controlling an air flow in a vehicle (100), having a base body (20) with at least one mounting portion (22) for attachment to a body of the vehicle (100) and an air opening (24), at least one lamella (30) being displaceably supported on the base body (20) between a closed position (SP) closing the air opening (24) and an open position (OP) opening the air opening (24), a driving device (40) being further secured to the base body (20) to generate a displacement force for the at least one lamella (30) and a lever kinematics (50) being provided, which establishes a functional connection between the driving device (40) and the at least one lamella (30), characterized in that the kinematic lever (50) has at least one drive lever (52) which is in operative connection transmitting the torque with the drive device t (40) and is fixed in an end position (EP) of a keyhole opening (26) of the base body (20).
    [0002]
    An air control device (10) according to claim 1, characterized in that the lever kinematics (40) has, in the functional connection with the at least one strip (30) between the drive lever ( 52) and the at least one lamella (30), a connection lever (54), which is rotatably supported on the base body (20) in particular with an axis of rotation parallel to the axis of rotation of the lever drive (52).
    [0003]
    3. Air control device (10) according to any one of the preceding claims, characterized in that the base body (20) has in the region of the keyhole opening, in particular at the edge of the keyhole opening (26), at least one fixing rib (27) for fixing the drive lever (52).
    [0004]
    An air control device (10) according to any one of the preceding claims, characterized in that the drive lever (52) has a radial extent extending from both sides of the hole opening. lock (26) at least partly beyond the edge of the keyhole opening (26).
    [0005]
    An air control device (10) as claimed in any one of the preceding claims, characterized in that the drive lever (52) has a bearing component (52a) which is attached to the housing body. base (20), and further has a lever component (52b) which is supported on the bearing component (52a) so as to be rotatable about an axis of rotation. 5
    [0006]
    An air control device (10) according to any one of the preceding claims, characterized in that the base body (20) has at least one stiffening portion (21) to increase the buckling rigidity of the body of the body. base (20) in the region of the keyhole opening (26). 10
    [0007]
    An air control device (10) according to one of the preceding claims, characterized in that the base body (20) has, in the direction of the air flow (LR) downstream of the at least one lamella (30), at least one sliding portion (28) with a sharp-edged and / or rounded construction with respect to the vehicle body components (100) downstream in the direction of the airflow (LR).
    [0008]
    8. Air control device (10) according to any one of the preceding claims, characterized in that the at least one strip (30) has at least one support lug (32) for a support of a 20 rotatably fastening to the base body (20) and / or to a central rib (34) for stabilizing the at least one lamella (30).
    [0009]
    9. Air control device (10) according to any one of the preceding claims, characterized in that the at least one strip (30) has a carrier component (36) and a covering component 25 or cache ( 38), the covering or covering component (38) covering in particular the entire surface of the carrier component (36), which, in the case of the at least one lamella (30), is oriented in the closed position (SP) ) to the outside relative to the vehicle.
    [0010]
    10. A mounting method for mounting an air control device (10), comprising in particular the features of any one of claims 1 to 9, having the following steps: - introduction of a lever of driving (52) a lever kinematic (50) into a keyhole opening (26) of a base body (20), - moving the drive lever (52) to a defined end position (EP), 3026993 -16- - fixing of the driving lever (52) in the defined end position (EP), - fixing of a driving device (40) in functional connection with transmission of torque with the driving lever (52) 5 on the base body (20), - fixing rotatably supported by at least one lamella (30) to the base body (20) in operative connection with the lever kinematic (50) .
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    同族专利:
    公开号 | 公开日
    KR101719429B1|2017-03-23|
    FR3026993B1|2019-11-08|
    KR20160042389A|2016-04-19|
    DE102014114639A1|2016-04-14|
    US20160102599A1|2016-04-14|
    US9828903B2|2017-11-28|
    CN105508018A|2016-04-20|
    CN105508018B|2018-04-27|
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    法律状态:
    2016-10-20| PLFP| Fee payment|Year of fee payment: 2 |
    2017-10-24| PLFP| Fee payment|Year of fee payment: 3 |
    2018-10-22| PLFP| Fee payment|Year of fee payment: 4 |
    2019-02-15| PLSC| Search report ready|Effective date: 20190215 |
    2019-10-28| PLFP| Fee payment|Year of fee payment: 5 |
    2021-07-09| ST| Notification of lapse|Effective date: 20210605 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102014114639.5A|DE102014114639A1|2014-10-09|2014-10-09|Air control device for controlling an air flow in a vehicle|
    DE102014114639.5|2014-10-09|
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