• 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 electrical connection device (1) with a housing, at least one contact (3) and an anti-rotation device (4). According to a method of mounting such a connecting device (1), the anti-rotation device (4) is fixed on the housing (2) during a displacement. During this movement, the anti-rotation device (4) rotates the contact (3) about an axis to bring it to the use position if it is not there. In final position, when it is fixed in the end position on the housing (2), the anti-rotation device (4) blocks the rotation of the contact (3) in a position of use.
    公开号:FR3046884A1
    申请号:FR1650456
    申请日:2016-01-20
    公开日:2017-07-21
    发明作者:Jean Fabre；Matthieu Huguet
    申请人:Delphi International Operations Luxembourg SARL；
    IPC主号:
    专利说明:

    Electrical connection device and method of mounting an electrical connection device [001] The invention relates to an electrical connection device. For example, a device of this type can be used in vehicle electrical circuits, and more particularly, in power circuits such as those interconnecting, in electric or hybrid vehicles, elements such as a battery, a motor, a voltage converter, etc.
    [002] Such an electrical connection device comprises one or more contacts, or pins, mounted in a housing and electrically connected for example to one or more cables, or one or more conductive metal rigid bars ("busbars" according to the English terminology). Saxon). In this case, it is common that the contacts used in this kind of connection device comprise a rod, or bar, having a portion with a cylindrical outer surface of revolution about a longitudinal axis. If this cylindrical portion of revolution is inserted into a cavity of the complementary shape of the housing, that is to say, tubular and cylindrical of revolution, the contact comprising this cylindrical portion may possibly rotate in its cavity, about its longitudinal axis. In this case, it may happen that another portion of the contact, for example intended to be connected to a rigid conductive metal bar, is no longer correctly oriented to cooperate and / or be fixed thereto.
    [003] This wrong orientation can be a source of complications at the time of attachment and connection of the contact with another conductive element (for example a conductive metal rigid bar or a cable). An additional operation, often manual, is then necessary to turn the contact and bring it back in an orientation adapted to its connection with this other element. But this orientation operation which can be imprecise and not completely solve the problems, can, moreover, cause a loss of productivity.
    [004] An object of the invention is to block the contact in an appropriate orientation for its mechanical or electrical connection to another element (rigid metal conductor bar or cable for example). Optionally, another object is to obtain an orientation of the contact around the longitudinal axis of its cylindrical portion of revolution (inserted in the tubular cavity of the housing), which does not depend on the precision provided by an operator to reorient the contact in its tubular cavity.
    [005] At least one of these aims is at least partially achieved with an electrical connection device comprising [006] a housing with at least one tubular cavity and [007] at least one contact comprising a first and a second portions.
    [008] The first portion has a cylindrical outer surface of revolution about a longitudinal axis and is inserted into the tubular cavity of the housing. The second portion extends out of the tubular cavity and has an orientation zone, with a non-completely cylindrical external surface of revolution about the longitudinal axis. In other words, the second portion comprises at least one zone (called "orientation" in this document, but this zone may have a function other than that of serving to orient the contact about the longitudinal axis) whose surface external is not completely symmetrical, and at least not symmetrical of revolution, around the longitudinal axis.
    [009] In addition, the connection device comprises an anti-rotation device. This anti-rotation device is displaceable in translation in a direction of implementation, to a final position (in which the electrical connection device can be connected to at least one conductive metal rigid bar or a cable). The direction of implementation of the anti-rotation device is substantially perpendicular to the longitudinal axis of the first portion of the contact. The anti-rotation device has at least one surface complementary to the outer surface of the orientation zone. This complementary surface abuts on the outer surface of the orientation zone, when the anti-rotation device is in the final position and the contact is oriented in a position of use, that is to say in the position or the orientation (around the longitudinal axis) desired for its connection to at least one other element (for example, a rigid conductive metal bar or a cable). When the anti-rotation device is in the final position and the contact is oriented in a position of use, the complementary surface of the outer surface of the orientation zone and this external surface of the orientation zone are substantially parallel and / or in contact with each other.
    In this way, it is possible to block the orientation of the orientation zone about the longitudinal axis according to at least one predefined orientation. Furthermore, if the contact is not correctly oriented around the longitudinal axis, it is possible, during the establishment of the anti-rotation device, to interact mechanically with the orientation zone to change its orientation. around the longitudinal axis. In other words, when setting up the anti-rotation device, if a contact with which it must interact is not correctly oriented, the antirotation device rotates it and when the anti-rotation device is in the final position, surfaces respective anti-rotation device and the second portion of the contact, cooperate to maintain the contact locked in rotation in the desired position.
    The electrical connection device may furthermore comprise one or the other of the following characteristics considered each independently of one another or in combination with one or more others: [0012] - the second portion of the contact comprises two orientation zones each having a non-completely cylindrical external surface of revolution, these two orientation zones being symmetrical to one another with respect to a plane comprising the longitudinal axis of the first portion of the contact ; [0013] the outer non-completely cylindrical surface of revolution of each of the two orientation zones is flat and the anti-rotation device comprises at least one surface, complementary to the outer surface of the orientation zones, also flat; The anti-rotation device is fixed on the contact using elastic means, causing the anti-rotation device to press the complementary surface of the outer surface of the orientation zone in abutment thereon when the anti-rotation device is in the final position; - The elastic means cooperate with a tubular outer surface of the housing; During the displacement of the anti-rotation device in the positioning direction, towards its final position, the elastic means exert a resistance which corresponds to a force which increases to a maximum, then decreases; - The maximum force is greater than the force required to move the contact in rotation about the longitudinal axis of any angular position to its position of use; The anti-rotation device comprises positioning means which cooperate with the contact to position the anti-rotation device relative to the housing in the longitudinal direction; and [0019] - the anti-rotation device comprises a gutter for guiding a wire emerging from the housing.
    According to another aspect, the invention relates to a method of mounting an electrical connection device, wherein [0021] - a housing is provided, at least one contact and an anti-rotation device, and [0022] a first portion of the contact is inserted into a tubular cavity of the housing extending along a longitudinal axis, and in which the anti-rotation device is attached to the housing by moving it in translation in a direction of implementation; place, substantially perpendicular to the longitudinal axis, to a final position in which the anti-rotation device abuts on a second portion of the contact located outside the tubular cavity and blocks the rotation of the contact about the longitudinal axis in a position of use.
    Optionally, in this method, if the contact is not oriented around the longitudinal axis in the position of use, the anti-rotation device moves the contact in rotation to this position when the anti-rotation device rotation is put in place until its final position.
    Other features and advantages of the invention will appear on reading the detailed description and accompanying drawings in which: - Figure 1 shows schematically in perspective an example of connection device according to the invention; [0027] - Figure 2 shows schematically in perspective the detail of the connection device shown in Figure 1; - Figures 3a to 3c show in perspective at different angles an anti-rotation device intended to be mounted on a connection device such as that of Figures 1 and 2; - Figures 4a to 4c show schematically the establishment and assembly of the anti-rotation device of Figures 3a to 3c, on the connecting device of Figures 1 and 2 seen from the front; - Figures 5a and 5b show schematically in perspective, at different angles the anti-rotation device of the preceding figures; and [0031] FIGS. 6a and 6b show diagrammatically in perspective a second embodiment of the anti-rotation device according to the invention, respectively in the pre-assembly position and in the final position on a connection device similar to that of FIGS. 1 and 2.
    In these figures, the same references are used to designate identical or similar elements.
    Figure 1 shows an example of connection device 1 according to the invention. This essentially comprises a housing 2, two contacts 3, an anti-rotation device 4 and two electrical wires 5.
    The housing 2 and the anti-rotation device 4 consist of an electrically insulating material. They are for example made by molding a plastic material. In the example illustrated in FIGS. 1a to 6b, the housing 2 comprises two tubular cavities 6 extending along a longitudinal axis L, perpendicular to a flange 7. Each tubular cavity 6 passes longitudinally through a housing body 8 and extends, beyond the flange 7, at a sleeve 9. A shield 10 is placed in the housing body 8 around the cavities 6 and leaves it to form a flange 11 extending substantially in a perpendicular plane to the longitudinal axis L. This flange 11 is intended to be compressed between the flange 7 and an electrically conductive support (not shown) on which the connection device 1 will be mounted. The collar 11 is intended to establish an electrical contact with this connection. support. A seal 12 is also mounted on the connection device 1 to provide a watertight barrier between the flange 7 and the support.
    In the example illustrated and described in this document, the tubular cavities 6 and the contacts 3 housed therein are respectively two in number, but the invention could be applied to connection devices comprising a single contact. or more than two contacts.
    The electrical wires 5 are electrically connected (for example crimped) to electrical terminals (not visible in the figures) inserted in cavities formed in the housing 2. The electrical wires 5 emerge through orifices 13 of the housing 2, between contacts 3.
    The contacts 3 consist of a conductive material. For example, they are made by machining (bar turning) of a bar of copper alloy. The contacts 3 extend along a longitudinal axis L. They comprise several successive portions along this longitudinal axis L. In particular, it is possible to define a first portion 14 whose outer surface 15 is cylindrical of revolution around the longitudinal axis and a second portion 16 which has an orientation zone 17 whose outer surface 18 is not cylindrical in revolution about the longitudinal axis L. More particularly, in the example described with reference to FIGS. 5b, the second portion 16 of each contact 3 is flattened and comprises two orientation zones 17 symmetrical to one another with respect to a plane comprising the longitudinal axis of the first portion 14 of each contact 3. Each of these orientation zones 17 comprises an outer surface 18 substantially flat. The second portion 16 of each contact 3 comprises a bore for the passage of means for fixing a cable or a rigid conductive metal bar. A reinforcing ring 20 is crimped in this passage.
    The first portion 14 is intended to be inserted into one of the tubular cavities 6 of the housing 2. The first portion 14 is here provided with an O-ring 21 mounted in a groove and ensuring a watertightness between each contact 3 and its cavity 6. The second portion 16 is intended to be electrically connected to a cable or a rigid conductive metal bar.
    As shown in Figure 2, each second portion 16 protrudes from the flange 7 and the cavity 6 in which is inserted the corresponding contact 3. As can be seen in this figure 2, because of the symmetry of revolution of the first portion 14 and the inner surface of the cavity 6 into which this contact 3 is inserted, the contact 3 can take any angular orientation around its longitudinal axis.
    In order to define and fix this angular orientation, an anti-rotation device 4 is mounted on the connection device 1.
    This anti-rotation device 4 is described in more detail in connection with Figures 3a to 3c. Advantageously, the anti-rotation device 4 has a size such that it can be placed inside the sealed zone (limited by the lips of the seal 12) and the limited shielded zone 11). It comprises a hollow body 21 from which extend, outwardly, two wings 22. The hollow body 21 comprises a cavity 23 which extends in the longitudinal direction L, when the anti-rotation device 4 is mounted on the device The hollow body 21 is intended to be inserted between the second portions 16 of the contacts 3, and in the example described here, between the sleeves 9. The shape and elasticity of the hollow body 21 are such that the anti-rotation device 4 can be clipped onto the sleeves 9. In fact, the hollow body 21 can be deformed in such a way as to essentially return to one another curved zones 24 intended to come, in a complementary manner, to conform to the form of the outer surface of the sleeves 9, when the anti-rotation device 4 is in place on the connection device 1. These curved zones 24 and portions 25 of the hollow body 21 which connect them thus form elastic means 26. These elastic means 26 exert on the contacts 3 an action tending to press the surfaces of the wings 22 in abutment on the orientation zones 17, when the anti-rotation device 4 is in the final position. These elastic means 26 also cooperate with the tubular outer surface of the sleeves 9.
    The hollow body 21 has two notches 27, or gutters, aligned in a direction substantially perpendicular to the wings 22. Each of these notches 27 is intended to allow the passage, guiding and protection of an electrical wire 5. Each wing 22 comprises a surface 28, or zone, complementary to an orientation zone 17 of a contact 3. For the example presented here, this surface 28 is flat and oriented perpendicular to the direction T of placement and mounting of the anti-rotation device 4 on the connection device 1. Each wing 22, also has a notch 29 to wedge the corresponding contact 3 in a determined position, along the longitudinal direction L, relative to the anti-rotation device 4. This notch 29 has a rounded shape and stepped so as to adapt to the shape of the reinforcing ring 20. The rounding of the notch 29 is open towards the outside of the connection device 4 and bl oque the movement of the contact 3 in the housing 2 in the direction of the flange 7. Moreover, the anti-rotation device comprises a rib 30, on each side of the hollow body 21, in each of the wings 22 to wedge the anti-rotation device 4 along the longitudinal axis L on the edge of each of the sleeves 9. Thus, the position of the contacts 3 along their respective longitudinal axis can be precisely defined and respected when mounting the contacts 3 in the housing 2. As it can be seen in Figures 5a and 5b, the ribs 29 are placed behind a swollen portion of the orientation zone 17. The ribs 29 also block the movements of the contacts 3 in the housing 2 in the direction tending to separate the orientation zones 17 of the flange 7. The notches 29 and the ribs 30 thus form positioning means 31 of the contacts 3 along the longitudinal axis L.
    Mounting the anti-rotation device on the connection device is illustrated in Figures 4a to 4c.
    Initially the anti-rotation device 4 is approached from the connection device 1. The electrical son 5 are passed to the center of the hollow body 21, through it. The anti-rotation device 4 is placed substantially above the end of the sleeves 9 and the orientation zones 17 of the contacts 3 (FIG. 4a). The anti-rotation device 4 is moved perpendicular to the longitudinal axis L of the contacts 3 and parallel to the flange 7 by bringing the hollow body 21 between the second portions 16 of the contacts 3. During this movement, in the direction of implementation Place T, towards its final position, the elastic means 26 exert a resistance which corresponds to a force which increases to a maximum then decreases. An "all-or-nothing" effect ("Go-no-go" in the English terminology) is thus obtained. Therefore, either the anti-rotation device 4 is moved with sufficient force to overcome this maximum and the anti-rotation device 4 automatically comes into the final position thanks to the elastic means 26; either this force is insufficient and the anti-rotation device 4 is not maintained at all on the connection device 1. The anti-rotation device 4 can not therefore be positioned incorrectly on the connection device 1. maximum of the force is greater than the force required to move the contact 3 in rotation about the longitudinal axis L of any angular position to its position of use. Thus, the displacement of the anti-rotation device 4 towards its final position involves the automatic correction of the orientation and the position of the contact 3. In fact, when the anti-rotation device 4 is put in place, if the zones 17 are not correctly oriented and positioned around and along the longitudinal axis of the contacts 3, on the one hand the flat surfaces 28 of the wings 22 cooperate, in a complementary manner, with the surfaces of the orientation zones 17 and on the other hand, the ribs 30 and the notches 29 cooperate respectively with the edge 33 of the ends of the sleeves 9 and with the reinforcing rings 20 (Figure 4b). Thus, when the anti-rotation device 4 is in place on the connection device 1, the contacts 3 are wedged in rotation and in translation by the anti-rotation device 4 (see FIGS. 4c, 5a and 5b).
    According to a variant illustrated in Figures 6a and 6b, the anti-rotation device 4 comprises wings 22 oriented at 90 °, about their respective longitudinal L, relative to each other. In other words, their flat surfaces 28 are perpendicular to one another. But the principle of setting up and controlling the orientation and the position of the contacts 3 is the same as that described above in relation to FIGS. 4a to 4c. When the anti-rotation device 4 is in its final position (FIG. 6b), the contacts 3 and their respective orientation zones 17 are oriented at 90 ° to each other about the longitudinal axis L.
    According to non-illustrated variants, the anti-rotation device 4, instead of being positioned partly on the sleeves 9 and partly on the contacts 3, as explained above, can be positioned only on the sleeves 9 or only on contacts 3.
    权利要求:
    Claims (11)
    [1" id="c-fr-0001]
    claims
    An electrical connection device comprising a housing (2) with at least one tubular cavity (6) and at least one contact (3) having a first (14) and a second (16) portion, the first portion (14) ) having a cylindrical outer surface of revolution (15) around a longitudinal axis (L) and being inserted into the tubular cavity (6) of the housing (2) and the second portion (16) extending out of the tubular cavity (6) and having an orientation zone (17), with a non-completely cylindrical external surface of revolution (18) about the longitudinal axis (L), characterized in that it further comprises an anti-rotation device -rotation (4), movable in translation in a direction of placement (T), substantially perpendicular to the longitudinal axis (L) of the first portion (14) of the contact (3), to a final position, and having at least one surface (28) complementary to the outer surface (18) of the gold zone (17) and abutting it when the anti-rotation device (4) is in the final position and the contact (3) is oriented in a position of use.
    [2" id="c-fr-0002]
    2. Device according to claim 1, wherein the second portion (16) of the contact (3) comprises two orientation zones (17) each having an outer surface (18) not completely cylindrical of revolution, these two zones of orientation (17) being symmetrical to each other with respect to a plane comprising the longitudinal axis (L) of the first portion (14) of the contact (3).
    [3" id="c-fr-0003]
    3. Device according to claim 2, wherein the non-completely cylindrical outer surface (18) of revolution of each of the two orientation zones (17) is flat and the anti-rotation device (4) comprises at least one surface ( 28) complementary to the outer surface (18) of the orientation zones (17), also flat.
    [4" id="c-fr-0004]
    4. Device according to one of the preceding claims, wherein the anti-rotation device (4) is fixed on the connection device (1) by means of elastic means (26), bringing the anti-rotation device (4). ) pressing the surface (28) complementary to the outer surface (18) of the orientation zone (17) abutting thereon when the anti-rotation device (4) is in the final position.
    [5" id="c-fr-0005]
    5. Device according to claim 4, wherein the resilient means (26) cooperate with a tubular outer surface of the housing (2).
    [6" id="c-fr-0006]
    6. Device according to claim 4 or 5, wherein the elastic means (26) have the function of exerting a resistance which corresponds to a force which increases to a maximum and then decreases, during the displacement of the anti-rotation device (4) according to the direction of installation, towards its final position.
    [7" id="c-fr-0007]
    7. Device according to claim 6, wherein the elastic means (26) have the function of exerting a resistance which corresponds to a force whose maximum is greater than the force required to move the contact (3) in rotation around the longitudinal axis (L) of any angular position to its position of use.
    [8" id="c-fr-0008]
    8. Device according to one of the preceding claims, wherein the anti-rotation device (4) comprises positioning means (31) which cooperate with the contact (3) to position the anti-rotation device (4) relative to the housing (2) in the longitudinal direction (L).
    [9" id="c-fr-0009]
    9. Device according to one of the preceding claims, wherein the anti-rotation device (4) comprises a gutter (27) for guiding a conductive wire (5) emerging from the housing (2).
    [10" id="c-fr-0010]
    10. A method of mounting an electrical connection device, wherein - a housing (2) and at least one contact (3) is provided, and - a first portion (14) of the contact (3) is inserted into a cavity tubular (6) housing (2) extending along a longitudinal axis (L), characterized in that it attaches an anti-rotation device (4) on the housing (2) by moving it in translation according to a positioning direction (T), essentially perpendicular to the longitudinal axis (L), to a final position in which the anti-rotation device (4) abuts on a second portion (16) of the contact (3) ) located outside the tubular cavity (6) and blocks the rotation of the contact (3) around the longitudinal axis (L) in a position of use.
    [11" id="c-fr-0011]
    11. The method of claim 10, wherein, if the contact (3) is not oriented around the longitudinal axis (L) in the position of use, the anti-rotation device (4) moves the contact ( 3) in rotation to this position when the anti-rotation device (4) is put in place to its final position.
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE102013102647A1|2013-03-14|2014-09-18|Fele Gmbh & Co. Kg|Connecting bushing for a housing of an electrical component, in particular of a rechargeable battery, and method for mounting a connection feedthrough|
    US1420675A|1918-09-04|1922-06-27|Gen Lead Batteries Company|Storage-battery terminal|
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    JP5449354B2|2008-08-04|2014-03-19|エフシーアイ|Electrical connector system, electrical device with identical system, and method for separating identical systems|
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    WO2013152261A1|2012-04-05|2013-10-10|Molex Incorporated|High power electrical connector|
    JP6056720B2|2013-09-18|2017-01-11|住友電装株式会社|Connector for equipment|CN107645101B|2017-08-09|2020-09-29|中车青岛四方机车车辆股份有限公司|Vehicle end electric connecting device and vehicle end connecting equipment of rail train|
    DE102018100831A1|2018-01-16|2019-07-18|Dr. Ing. H.C. F. Porsche Aktiengesellschaft|Charging plug for electric cars and its manufacture|
    JP6922838B2|2018-05-16|2021-08-18|住友電装株式会社|connector|
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    法律状态:
    2017-01-25| PLFP| Fee payment|Year of fee payment: 2 |
    2017-07-21| PLSC| Publication of the preliminary search report|Effective date: 20170721 |
    2018-02-27| PLFP| Fee payment|Year of fee payment: 3 |
    2020-01-27| PLFP| Fee payment|Year of fee payment: 5 |
    2021-01-29| PLFP| Fee payment|Year of fee payment: 6 |
    2022-01-21| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1650456A|FR3046884B1|2016-01-20|2016-01-20|ELECTRICAL CONNECTION DEVICE AND METHOD FOR MOUNTING AN ELECTRICAL CONNECTION DEVICE|
    FR1650456|2016-01-20|FR1650456A| FR3046884B1|2016-01-20|2016-01-20|ELECTRICAL CONNECTION DEVICE AND METHOD FOR MOUNTING AN ELECTRICAL CONNECTION DEVICE|
    US15/404,239| US10038270B2|2016-01-20|2017-01-12|Electrical connection device and method for mounting an electrical connection device|
    EP17151739.4A| EP3196985B1|2016-01-20|2017-01-17|Electrical connection device and method for mounting an electrical connection device|
    CN201710074912.7A| CN106992378B|2016-01-20|2017-01-18|Electrical connection device and method for mounting an electrical connection device|
    JP2017007329A| JP6888875B2|2016-01-20|2017-01-19|Electrical connection devices and methods for installing electrical connection devices|
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