• 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:
    plug-in coupling and method for its production. the present invention relates to the plug-in coupling (70) which comprises a negative coupling section (1) and a positive coupling section (80), consisting of a pin (82) with a spherical head (84). the negative coupling component (1) comprises a coupling construction (10) of a first material for receiving and securely separating the positive coupling component (80) and a retaining construction (30) of a second material surrounding the construction of the coupling (10), to fix the negative coupling component to the second component (60), whereas the second material has greater elasticity than the first material so that oscillations of modules can be accommodated by the retaining construction.
    公开号:BR112013032295B1
    申请号:R112013032295-0
    申请日:2012-07-20
    公开日:2020-10-06
    发明作者:Andreas Metten；Jasmin Fritzsch
    申请人:Böllhoff Verbindungstechnik GmbH；
    IPC主号:
    专利说明:

    1. Field of the invention
    [0001] The present invention relates to a plug-in coupling which consists of a negative coupling component and a positive coupling component, especially a ball seat as a negative coupling component in combination with a ball pin as a positive coupling component. In addition, the present invention encompasses a production process for the negative part of the plug-in coupling. 2. Background to the invention
    [0002] Different plug-in couplings are known in the art and are described, for example, in US 5,580,204, EP 0 902 198 B1, EP 1 746 294 A1, DE 201 17 323 U1, US 5,409,302 and US 4,904,107.
    [0003] US 5,580,204 describes a negative coupling part, especially a ball seat that is produced from plastic. This ball seat has on its external side a surrounding hollow, as well as a retaining ring protruding so that in the surrounding hollow it can fit the inner wall of an opening of a component. In this way, the ball seat is fixed as the only plastic component within the opening of a coating component in vehicle construction. This ball seat fits a pin with a spherical head that is attached, for example, to a retaining structure in bodybuilding.
    [0004] European patent EP 0 902 198 B1 also writes a negative coupling component to receive a pin with a spherical head that is produced from a plastic. The construction of the negative coupling part is carried out in such a way that a retaining ring extends around the ball seat so that a distance between the retaining ring and the ball seat is present for vibration damping. This retaining ring is attached to a conical penetration area of the negative part of the coupling.
    [0005] Known fitting couplings have the disadvantage that due to the choice of material of the fitting coupling, as well as due to its construction, it is necessary to find a compromise in order to achieve an optimum fixation of the ball pin inside the negative part of the coupling and the part of the coupling in one component, as well as satisfactory vibration damping between the negative and positive part of the coupling. This commitment often means that both of these functions are not optimally implemented in the plug-in coupling.
    [0006] It is therefore a task of the present invention to offer a plug-in coupling, with which, compared to the state of the art, an improved fastening function between the negative part and the positive part of the coupling, as well as a improved vibrational decoupling between the positive and negative part of the coupling. Furthermore, it is an object of the present invention to propose a corresponding production process for the plug-in coupling. 3. Synopsis of the invention
    [0007] The above task is triggered by a negative coupling part according to independent patent claim 1, as well as a plug-in coupling according to independent patent claim 11. The production process of the negative part of the coupling can be understood from the independent patent claim 12. Advantageous embodiments of the present invention, extensions and modifications, result from the dependent patent claims, as well as from the description with the respective drawings.
    [0008] The present invention encompasses a negative part for a plug-in coupling, with which a first and second components can be separately interconnected, the negative part of the coupling having the following characteristics: a coupling construction of a first material for receiving and separable fixing of a positive part of the coupling and a retaining construction of a second material that involves the construction of the coupling and is intended to fix the negative part of the coupling in the second component, whereas the second material has greater elasticity than the first material, so that vibrations of the components can be accommodated by the retention constriction.
    [0009] The construction of the negative part of the plug-in coupling according to the invention is based on the use of two materials of differentiated elasticity to produce the negative part of the coupling. The material with less elasticity and high stability is used for the production of the coupling construction, in which the positive part of the coupling, for example, a pin with the spherical head, will be received and fixed. The reduced elasticity compared to the second material as well as the high stability of the first material ensure that the pin with the ball head, that is, the positive coupling component, that is, reliably maintained in the construction of the coupling. In order to be able to dampen any vibrations between the first and the second component and, therefore, between the negative part and the positive part of the coupling, the coupling construction will be secured by means of a second retaining construction on the second component. The material of the retaining construction has - compared to the first material of the coupling construction - a higher elasticity, so that vibrations of the first and second components can be dampened and / or noise between these components can be decoupled. The second material is therefore elastically deformable in an easier way than the first material, so that despite a reliable fixing of the negative part of the coupling to the second component, certain flexibility of the negative part of the coupling with respect to the second component. This flexibility, in addition to a decoupling of vibrations, also represents a compensation of tolerances in the attachment of the first component to the second component through the plug-in coupling according to the invention. As the construction of the coupling can move out of phase through the elasticity of the second material of the retaining construction, within a certain tolerance range, in lateral and axial direction, faulty alignments between the first and the second component or between the part are compensated negative coupling and the positive coupling part, so that despite these faulty alignments, through the tolerance compensation of the negative coupling part, an optimum union between the first and the second component can be achieved.
    [00010] The construction of the negative part of the coupling preferably comprises at least two molar arms that project axially in the direction of the construction of the coupling and which at a first end are interconnected through a surrounding retaining structure. Furthermore, preferably the construction of the coupling consists of a metal, a thermoplastic plastic or a thermoplastic elastomer which has a lower elasticity than the second material of the retaining construction.
    [00011] With the aid of the construction of the coupling, especially of at least two molar arms that project in the axial direction of the construction of the coupling, despite the lower elasticity of the first material compared to the second material, an elastic union between the construction of the coupling and the positive part of the coupling. The pin with the ball head, which serves, for example, as a positive component of the coupling, in this way can fit between at least two molar arms, which, due to their travel, form a ball seat. This quick fit can be varied in intensity by the fact that two, three, four or five molar arms form the ball seat or a similar fitting structure of the coupling construction. To stabilize the molar arms within the construction of the coupling, these arms are interconnected at their first end through the surrounding retaining structure. Another stabilization of the construction of the coupling can be achieved by the fact that the molar arms are preferably interconnected also at its second end.
    [00012] According to another preferred embodiment of the present invention, the retaining structure of the negative coupling component will be formed by a ring that revolves around the construction of the coupling and on the ring attached therein, which can be retained in an opening of the second component . This ring preferably encompasses a surrounding cavity, radial and open to the outside, in a radial direction, in which an internal face of the opening of the second component can be fitted. According to another preferred embodiment, the ring, that is, the retaining construction comprises an open hollow in axial direction of the retaining construction and surrounding the retaining construction, so that deformations of the retaining construction in radial direction can be accommodated.
    [00013] The surrounding and annular retaining construction consists of the second material which, in comparison with the first material of the coupling construction, presents greater elasticity. This ensures that the retaining construction can accommodate and dampen component vibrations as well as noise. In addition, the greater elasticity of the second material guarantees tolerance compensation between the negative and positive coupling component, which is described in more detail below. In addition to the material properties of the second material, the clamping and damping function of the negative part of the coupling will also be reinforced by the conformation of the retention construction. For this purpose, the ring of the retaining construction has a radial surrounding cavity within which the inner wall of an opening of the first component can be attached, especially inserted in a quick fitting process. In addition, a concavity preferably surrounding and open in an axial direction serves to compensate for tolerance between the negative part of the coupling and the positive part of the coupling since, due to this construction, the negative part of the coupling is arranged with mobility in radial direction and axial. This tolerance compensation due to the axial concavity will preferably be adjusted in a constructive way by the provision of reinforcement fillets that bridge the axial concavity, in view of the connection to be obtained. These reinforcement fillets that cross over will preferably be arranged at regular distances within the axial concavity. In addition, the number of these bridge overtaking reinforcement threads will vary depending on the desired stability of the surrounding retaining construction.
    [00014] The retaining construction of the negative coupling component preferably consists of a thermoplastic synthetic material or a thermoplastic elastomer with greater elasticity than the first material of the coupling construction.
    [00015] In addition, the present invention encompasses a plug-in coupling with which the first component and the second component can be joined together in a separable way and having the following characteristics: a positive coupling piece in connection with the first component, the which can be fitted to a negative part of the coupling according to the description above, in connection with the second component, in a separable and fitting way. In a preferred embodiment, the coupling and fitting according to the invention comprises a pin with a ball head with positive part of the coupling and a coupling construction with a ball seat to receive the ball head, the construction of the coupling being it is joined with a surrounding ring as a retaining construction, which has a radial hollow for fixing the negative part of the coupling to the second component and an axial hollow to compensate vibrations and / or noise and tolerances.
    [00016] The present invention also discloses a production method for the negative part of the coupling described above, consisting of two materials of differentiated elasticity that has the following steps: providing a coupling construction of a first material and extruding the coupling construction with a retention construction of a second material, the second material having higher elasticity than the first material.
    [00017] In a preferred embodiment of this production method, there is an injection molding of the construction of the coupling of a thermoplastic synthetic material or of a thermoplastic elastomer, as well as the extrusion of the retaining construction is carried out of a more synthetic thermoplastic material. elastic or elastomer compared to the construction of the coupling. It is also preferred to produce the metal coupling construction and then extrude it in the present production method, with the retention construction. In the production of the retaining construction, an axial concavity will preferably be produced, preferably surrounding the axial direction of the retaining construction, open and involving the retaining construction, and / or an open radial concavity surrounding and open to the outside in a radial direction. These serve for fixing already described and / or for decoupling vibrations and / or for compensating tolerances between the positive and negative coupling part of the plug-in coupling according to the invention. 4. Description of the attached figures
    [00018] The preferred embodiments of the present invention will be explained in more detail with reference to the accompanying figures. The figures show: Figure 1 - schematic presentation of a plug-in coupling preferably installed in two sections, consisting of a negative part and a positive coupling part, Figure 2 - perspective view of the negative part of the coupling according to a preferred embodiment, Figure 3 - partial sectional view of the negative coupling part according to figure 2, Figure 4 - bottom view of the negative coupling part according to figure 2, Figure 5 - partial sectional view of the negative coupling part according to figure 2, figure 6 - another partial section of the negative coupling component according to figure 2, figure 7 - schematic presentation of the plug-in coupling of figure 1 with positive coupling section partially inserted in the negative part of the coupling, preferably one pin with a ball head, and Figure 8 - a flow diagram of a preferred embodiment of the production method of the negative part of the coupling current invention. 5. Detailed description of the preferred modalities.
    [00019] A preferred embodiment of the plug-in coupling according to the invention 70 is shown in figure 1. The plug-in coupling 70 consisting of a positive part of the coupling 80 that can be joined with the first component 50. Preferably the positive part of the coupling 80 consists of a pin 82 with a spherical head 84. Other head shapes are also preferred, for example, an angular widening compared to pin 82. This angular widening (not shown) also guarantees a plug-in connection with a negative part of the coupling 1 and that therefore receives the head of the pin 82.
    [00020] The plug-in coupling 70 also covers the negative part of the coupling 1. A coupling construction 10 is constituted in which the positive part of the coupling 80 can be detachable. According to an embodiment of the present invention, the construction of the coupling 10 comprises a ball seat into which the ball head 84 of the pin 82 described above can be separated separately. As other coupling construction 10, other conformations are also conceivable, modeled in a complementary direction to the positive part described above of coupling 80. The advantageous properties of the plug-in coupling 70 according to the invention will, moreover, be described on the basis of the example of a pin 82 with spherical head 84 and a corresponding negative coupling piece 1 with ball seat 16.
    [00021] The construction 10 of the negative part of the coupling 1 can be secured through a retaining construction 30 in an opening 62 of the component 60. The retaining construction 30 consists of a material, which, in comparison with the material of the construction of the coupling 10, has greater elasticity. On this basis, the material of the construction of the coupling 10 guarantees by its less elasticity compared to material of the retaining construction 30, a secure coupling of the ball head 84 in the ball seat 16 of the coupling construction 10.
    [00022] Preferably the construction of the coupling 10 consists of metal, a thermoplastic synthetic material or an elastomer. Preferred materials for building the coupling are PA (polyamide), PP (polypropylene) and POM (polyoxymethylene) (polyacetal). In addition, PET (polyethylene enterestalate), PBT (polybutylene enterefitalate), ABS (acrylonitrile / butadiene / styrene buffer copolymer), PC (polycarbonate), a mixture of PC and ABS or PE (polyethylene) are imaginable. According to the shape of the molar arms, the materials mentioned will be selected. The material of the coupling construction has an expansion of 3-70%, preferably 3-50% and more preferably 3-20%.
    [00023] In the construction of the negative part of the coupling 1, the construction of the coupling is produced from metal by known deformation processes. If the construction of the coupling 10 consists of synthetic material or an elastomer, the construction of the coupling 10 will be injection molded in the form described below (step S1 in figure 7). If the construction of the coupling 10 consists of synthetic material, according to another embodiment, a metal insert will be molded in the area of the ball seat 16, being especially subject to extrusion. In this way, the shape of the ball seat 16 will be predetermined and / or the subsequent ball seat 16 will be reinforced.
    [00024] As can be seen in figures 2-6, the construction of the coupling 10 comprises at least two molar arms 12 that extend in the axial direction of the plug-in coupling 70. The molar arms 12, by virtue of their shape and their material, are so shaped that they can radially radiate outwards. The elastic mobility of the molar arms 12 can be adjusted by the length, thickness and width of the molar arms 12. The molar arms 12 form the ball seat 16 on its radial inner side. The ball seat 16 has a recess 18 surrounding it so that the ball head 84, with the aid of a retaining force that can be mastered, will be maintained in a positive union within the ball seat 16.
    [00025] According to an embodiment not shown, the ball seat 16 comprises a second recess in axial direction spaced from the recess 18, so that the ball head 84 is maintained between the two recesses in the installed state.
    [00026] According to another embodiment, at least the two molar arms 12 are interconnected at their end 20, adjacent to the ball seat 16. This connection at the end 20 stabilizes the molar arms 12 and guarantees a reliable retention of the ball head 84 on ball seat 16.
    [00027] In order to limit the elastic mobility of the molar arms 12, the molar arms 12, at their end separated from the ball seat 16, are interconnected through a retention structure 14. Another limitation of the mobility of the molar arms 12 occurs preferably through the reciprocal connection of the molar arms 12 at their ends facing towards the ball seat 16 as described above. Preferably, the retaining structure 14 consists of different connecting threads (not shown) that are arranged between adjacent molar arms 12. According to another preferred embodiment, as shown in figures 5 and 6, the retaining structure 14 is a surrounding ring that connects the molar arms 12. The surrounding retaining structure 14 comprises, according to another embodiment, a surrounding concavity located in an external radial direction that it is limited by two surrounding edges in a radial direction and protruding outwards. This concavity serves to receive the retaining construction 30 as explained below.
    [00028] The construction 10 of the negative part of the coupling 1 can be secured through a retaining construction 30 in an opening 62 of the component 60. The retaining construction 30 consists of a material, which, in comparison with the material of the construction of the coupling 10, has greater elasticity. On this basis, the material of the construction of the coupling 10 guarantees by its less elasticity compared to material of the retaining construction 30, a secure coupling of the ball head 84 in the ball seat 16 of the coupling construction 10.
    [00029] According to an embodiment not shown, the molar arms 12 of the coupling construction 10 are not interconnected through the retention structure 14. Instead the ends of the molar arms 12, spaced apart from the ball seat, will be subjected to extrusion with the retaining construction 30 in an annular shape, so that through the retaining construction 30 they are interconnected in a stabilizing manner.
    [00030] According to another preferred embodiment of the negative part of the coupling 1, the retaining structure 14, preferably formed in a surrounding manner, will be subjected to extrusion with the annular retaining construction 30 (compare figures 4, 5 and 6). As the ring retaining construction 30 consists of a material of greater elasticity than the construction material of the coupling 10, tolerances between components 60, 70 can be compensated for by the retaining construction 30. In addition, the retaining construction 30 receives vibrations , so that the retaining construction 30, and therefore the negative part of the coupling 1, act in isolation from vibrations and noise.
    [00031] Retention construction 30 preferably consists of TPE-V (elastomer based on olefins, thermoplastic, crosslinked), TPE-S (block copolymers - styrene) or TPE-E (thermoplastic elastomer polyester / thermoplastic copolyester). In addition, in other uses TPE-0 (thermoplastic elastomer based on olefin), TPE-A (thermoplastic copolyamide), TPE-U (thermoplastic elastomer based on urethane) or silicones have also been used. The retention building material 30 has an expansion of approximately 200% or more.
    [00032] As can be recognized on the basis of the sectional view of figures 5 and 6, the retaining construction 30 has a radial concavity 34 opened in a radial direction. The radial concavity 34 serves to receive the inner wall of the opening 62 of the component 60, when the negative part of the coupling 1 is installed there. In the strength of the retaining construction 30 in the radial direction and in the elasticity of the material of the retaining construction 30, the retaining construction 30 can be compressed in the radial direction. This property of the retention construction 30 ensures the reception of vibrations of the components 50, 60 in a radial direction referred to the retention construction 30, as well as the possibility of tolerance compensation between the components 50, 60.
    [00033] Preferably the retaining construction 30 comprises an axial concavity 36, opened in the axial direction of the retaining construction, as shown in figures 5 and 6. By the axial concavity 36, the retaining construction 30 consists of two rings 42, 44 reciprocally embedded concentric which are interconnected through a surrounding thread 46 (compare figure 6). The fillet 46 extends in a radial direction with respect to the retention construction 30. Depending on the radial length and axial resistance of the fillet 46, the concentric rings 42, 44 of the retention construction 30 can be displaced with different intensity in relation to each other , in radial and axial direction. This offset between the concentric rings 42, 44 of the retaining construction 30 preferentially regulates the tolerance compensation and vibration damping and / or the noise of the negative coupling component 1 and the entire plug-in coupling 70.
    [00034] Furthermore, it is preferred to interconnect concentric rings 42, 44 through a plurality of reinforcement threads 38. Reinforcement threads 38 bridge over axial concavity 36 as shown in figure 5. In corresponding comparison, figure 6 has axial concavity 36 without reinforcement threads 38. These reinforcement threads 38 are arranged at regular distances within axial concavity 36.
    [00035] With their preferred constructive conformations, as described above, they will be subjected to extrusion applied to the ring retaining structure 14 (step S2), to form the negative part of the coupling 1. The retaining construction 30 and the retaining structure 14 will be preferably fixed reciprocally with cohesive closure. In addition, it is preferred, but not necessarily necessary, to provide for one or two radial edges protruding from the retaining structure 14. On the one hand, the edge of the retaining structure 14, which is spaced away from the ball seat 16 and which protrudes in a radial direction , favors the modeling of the construction of the injection molding coupling 10. On the other hand, the protruding radial edges of the retaining structure 14 constitute a recess in axial direction for the retaining construction 30 so that in this way the construction of the negative part of the coupling 1 will be further stabilized. Reference list 1 - negative part of the coupling 10 - construction of the coupling 12 - molar arm 14 - retention structure 16 - ball seat 18 - recess 30 - retention construction 32 - ring 34 - radial hollow 36 - axial hollow 50 - first component 60 - second component 62 - opening 64 - inner side of opening 70 - plug-in coupling 80 - positive coupling part 82 - pin 84 - ball head 85 - supply and injection molding 86 - extrusion 87 - preparatory measures
    权利要求:
    Claims (12)
    [0001]
    1. Negative coupling part (1) for a plug-in coupling, with which a first (50) and a second (60) component can be separately interconnected, the negative part of the coupling (1) having the following features: a. a coupling construction (10) with a ball seat (16) at the first end of the coupling construction (10), comprising at least two molar arms (12) that project in the axial direction of the coupling construction (10) and made of a first material to separately accommodate and fix a positive coupling piece (80), characterized by the fact that the at least two molar arms (12) are interconnected at a second end through a surrounding retaining structure (14) and one and an annular retaining construction (30) at the second end of the coupling construction (10) made of a second material that surrounds the construction of the coupling (10) which is formed by a ring (32 which surrounds it) around the construction of the coupling (10) and fastened to it, so that the negative part of the coupling (1) can be stuck in an opening (62) of the second component (60), in which b. elasticity than the first mat erial, so that component oscillations can be absorbed by the retaining construction (30).
    [0002]
    2. Negative coupling piece (1) according to king-vindication 1, characterized by the fact that at least two molar arms (12) are interconnected at the first end.
    [0003]
    3. Negative coupling piece (1) according to any one of the preceding claims, characterized by the fact that the coupling construction (10) is composed of a metal, a thermoplastic resin or a thermoplastic elastomer that has a lower elasticity than the second material of the retention construction (30). component
    [0004]
    4. Negative coupling piece (1) according to any one of the preceding claims, characterized in that the ring (32) has a radial concavity (34) surrounding and open to the outside in a radial direction, in which it can be fitted an inner side (64) of the opening (62) of the second component (60).
    [0005]
    5. Negative coupling piece (1) according to any one of the preceding claims, characterized by the fact that the retaining construction (30) has an axial hollow (36) surrounding the retaining construction (30) and open in the axial direction to that of the retaining construction (30), so that deformations of the retaining construction (30) can be accommodated in the radial direction.
    [0006]
    6. Negative coupling piece (1) according to king-vindication 5, characterized by the fact that the axial concavity (36) has a plurality of reinforcement threads (38) that bridge the axial concavity (36).
    [0007]
    7. Negative coupling piece (1) according to any one of the preceding claims, characterized by the fact that the retaining construction (30) consists of a thermo-plastic resin or an elastomer of greater elasticity than coupling construction (10).
    [0008]
    8. Plug-in coupling (70) with which a first (50) and second components (60) can be separately interconnected, the coupling being characterized by the fact that it comprises the following characteristics: - a positive coupling piece (80) in connection with the first component (50) which can be separably integrated and fitted into a negative coupling part (1) according to one of the preceding claims in connection with the second component (60).
    [0009]
    Plug-in coupling (70) according to claim 8, characterized by the fact that it has a pin (82) with a spherical head (84) as a positive coupling part (80), and a coupling construction ( 10) with a spherical seat (16) to receive the spherical head (84), in which the construction of the coupling (10) is connected to a surrounding ring (32) as a retaining construction (30), which presents a radial concavity (34) for fixing the negative part of the coupling (1) to the second component (60) and an axial concavity (36) for compensating vibrations and tolerances.
    [0010]
    10. Production method of a negative coupling piece (1) consisting of two materials of differentiated elasticity characterized by the fact that it presents the following steps: a. provision (S1) of a coupling construction (10) with a ball seat (16) at a first end of the coupling construction (10), comprising at least two molar arms (12) that project in the axial direction of the construction of the coupling (10) and made of a first material, in which at least two molar arms (12) are interconnected at a second end through a surrounding retaining structure (14), b. overmoulding (S2) of the coupling construction (10) generating an annular retaining construction (30) made of a second material, which surrounds the construction of the coupling (10) and which is formed by a circumferential ring (32) around the construction of the coupling (10) and, held there, in which the second material has greater elasticity than the first material.
    [0011]
    11. Production method according to claim 10, characterized by the fact that it comprises the following steps: injection molding (S1) of the coupling construction (10) made of a thermoplastic resin or an elastomer and, overmolding of the retention construction made of a more elastic thermoplastic resin or elastomer, compared to the construction of the coupling (10).
    [0012]
    Production method according to claim 10 or 11, characterized by the fact that it comprises the following stage: provision (S3) of an axial hollow (36) surrounding the retaining construction (30) and open in the axial direction of the retaining construction (30), and / or a radial hollow (34) in the surrounding construction (30) surrounding and radially open to the outside.
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-09-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-05-12| B09A| Decision: intention to grant|
    2020-10-06| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/07/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102011052190A|DE102011052190A1|2011-07-27|2011-07-27|Plug-in coupling and method for its production|
    DE102011052190.9|2011-07-27|
    PCT/EP2012/064310|WO2013014085A1|2011-07-27|2012-07-20|Plug-in coupling and method for the production thereof|
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