Automobile gauge-level connector applied to automobile headlamp rotary speed regulating motor

Abstract

The invention, which belongs to the technical field of the connector, discloses a vehicle gauge-level connector applied to an automobile headlamp rotation speed regulation motor, comprising a male shell, a female shell, a positioning auxiliary member, a plurality of male terminals and a plurality of female terminals. The male shell is movably connected with the positioning auxiliary part in an inserted mode, the female shell is movably connected with the positioning auxiliary part in an inserted mode, the male terminal is arranged in a cavity formed by the female shell and the positioning auxiliary part, the female terminal is contained in the cavity formed by the male shell and the positioning auxiliary part, and the male terminal is electrically connected with the female terminal. The section of the rear wall of the positioning auxiliary part abuts against the section of the rear wall of the female shell to form the rear wall of the vehicle-gauge-level connector, and the upper wall of the male shell forms the upper wall of the vehicle-gauge-level connector. According to the vehicle gauge level connector, the use strength is guaranteed, and meanwhile the wall thickness, the size and the weight are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to an automotive-grade connector used in a rotary speed regulating motor for a car headlight. Background Art

[0002] In the prior art, connectors used in automobile headlight rotary speed regulating motors are often integrated fully enclosed structures, but this structural design has gradually revealed some drawbacks that cannot be ignored in actual applications, the most prominent of which are the problems with its volume, thickness and weight. Its large volume may limit the layout of other components inside the headlight module, affecting the heat dissipation design of the headlight and the installation space of the light adjustment mechanism; in terms of thickness, an overly thick connector may cause the overall thickness of the headlight module to increase, which may affect the matching degree with other components in the limited space of the front face of the car, and may even require additional adjustments to the body structure; in terms of weight, a heavier connector will increase the load on the headlight rotary speed regulating motor, affecting its rotation flexibility and speed regulation accuracy, thereby affecting the timeliness and accuracy of the headlight illumination angle adjustment, posing a safety hazard to the driver when driving at night. Summary of the invention

[0003] In order to solve the problems in the prior art that the connector used in the automobile headlight rotary speed regulating motor is large in size, thick in thickness and heavy in weight, the present invention provides the following technical solution.

[0004] The present application provides an automotive-grade connector used in a rotary speed control motor for a car headlight, comprising a male shell, a female shell, a positioning auxiliary part, a plurality of male terminals and a plurality of female terminals; the male shell and the positioning auxiliary part are movably plugged in, the female shell and the positioning auxiliary part are movably plugged in, the male terminal is arranged in a cavity formed by the female shell and the positioning auxiliary part, the female terminal is accommodated in the cavity formed by the male shell and the positioning auxiliary part, the male terminal and the female terminal are electrically connected, the cross-sections of the rear wall of the positioning auxiliary part and the rear wall of the female shell are abutted to form the rear wall of the automotive-grade connector, and the upper wall of the male shell forms the upper wall of the automotive-grade connector.

[0005] Furthermore, the male shell is a hollow rectangular structure including an upper wall, a lower wall, a left wall, a right wall and a rear wall, and the rear ends of the outer surfaces of the left wall and the right wall of the male shell are provided with first and second guide ribs parallel to each other, and the upper surface of the first guide rib is provided with a second snap-fitting part, and the first guide rib extends forward to form a snap-fitting part, and a plurality of mutually parallel isolation ribs are provided between the upper wall of the male shell and the lower wall of the male shell, and the plurality of isolation ribs divide the male shell into a plurality of mutually independent female terminal accommodating channels; and the outer surface of the lower wall of the male shell opposite to each isolation rib is provided with a limiting groove.

[0006] Further, the mother housing is a hollow cuboid structure including a lower wall, a left wall, a right wall, and a rear wall. On the left and right walls of the mother housing, first snap members and first limiting ribs are arranged along the front-rear direction. An opening for accommodating the first guiding rib is provided between the first snap member and the first limiting rib. The first snap member is used for snap connection with the second snap member. The first limiting rib is accommodated between the first guiding rib and the second guiding rib to limit the vertical movement of the male housing. On the upper surface of the lower wall of the mother housing, a plurality of second limiting ribs are arranged in parallel along the front-rear direction, and the second limiting ribs are adapted to the limiting grooves.

[0007] Further, the positioning auxiliary member is a cuboid structure with a "U"-shaped cross-section. Third snap members for snap connection with the buckling portions are arranged on the inner surfaces of both side walls of the positioning auxiliary member.

[0008] Further, a plurality of parallel reinforcing ribs are arranged along the front-rear direction on the inner surface of the bottom wall of the positioning auxiliary member. The plurality of reinforcing ribs divide the positioning auxiliary member into an isolation rib installation groove and a female terminal accommodation groove which are arranged at intervals. The isolation rib installation groove is used for clamping the isolation rib on the male housing, and a limiting portion is arranged at the rear end of each female terminal accommodation groove.

[0009] Further, the female terminal includes a wire insertion portion and a plug-in portion connected to the wire insertion portion; the cross-section of the wire insertion portion is arched, and a first clamping arm, a second clamping arm, and a first abutting member are sequentially arranged from the front end to the rear end of the wire insertion portion. The first clamping arm is used for tightly wrapping the insulating layer of the wire end, and the second clamping arm is used for tightly wrapping the wire of the wire end to realize the electrical connection between the wire end and the female terminal; the first abutting member is used for abutting against the limiting portion.

[0010] Further, a plug connector is arranged at the front end of the plug-in portion. A second abutting member for snap connection with the elastic limiting member is further arranged on the upper surface of the plug connector. Third limiting ribs for limiting the vertical movement of the plug connector of the female terminal are arranged on the side walls of each female terminal accommodation channel; a placement slideway for the second abutting member to be placed into is arranged at the front end of the upper wall of the male housing, and the elastic limiting member is arranged at the rear end of the placement slideway.

[0011] Further, a plugging groove is arranged on the isolation rib installation groove, and a protrusion for plugging into the plugging groove is arranged at the bottom of the isolation rib.

[0012] Further, the plug-in portion of the female terminal has a "convex"-shaped structure.

[0013] Further, the male terminal includes an insertion section and a welding section, the insertion section and the welding section are arranged in an "L" shape, and a bending portion is arranged on the welding section.

[0014] The automotive-grade connector provided in the present application has a semi-enclosed structure for both the male shell and the female shell, that is, the wall thickness is reduced in the relative position; the male shell, the female shell and the positioning auxiliary parts are connected to each other by snap-fitting, thereby ensuring the integrity of the entire automotive-grade connector shell. Therefore, the automotive-grade connector provided in the present application not only reduces the wall thickness, volume and weight, and occupies a very small usage space in the automobile headlight rotary speed control motor, but also adds a snap-fitting positioning auxiliary part while snapping the female shell and the male shell together, thereby ensuring the usage strength of the automotive-grade connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the assembly structure of the automotive grade connector used in the rotating speed regulating motor of the automobile headlight according to the present invention; Figure 2 This is a side view of the assembly structure of the automotive grade connector used in the rotary speed regulating motor of the automobile headlight according to the present invention; Figure 3 This is a schematic diagram of the male terminal structure of the present invention; Figure 4 It is a front structural schematic diagram of the female housing of the present invention; Figure 5 It is a schematic diagram of the front structure of the female housing of the present invention from another angle; Figure 6 It is a front structural schematic diagram of the male housing of the present invention; Figure 7 It is a schematic diagram of the back structure of the male housing of the present invention; Figure 8 It is a schematic diagram of the front structure of the male housing of the present invention from another angle; Fig. 9 It is a structural schematic diagram of the female terminal of the present invention; Fig.10 This is a schematic structural diagram of the female terminal of the present invention from another angle; Fig.11 It is a front structural schematic diagram of the positioning auxiliary member of the present invention; Fig.12 It is a front structural schematic diagram of another angle of the positioning auxiliary member of the present invention; Fig.13 It is a schematic diagram of the back structure of the positioning auxiliary member of the present invention; Fig.14 This is a cross-sectional view of the assembly structure of the automotive-grade connector used in the rotary speed regulating motor of an automobile headlight according to the present invention.

[0016] Description of reference numerals: 10, male housing; 11, first guide rib; 12, second guide rib; 13, second buckle; 14, buckle connection; 15, elastic limiter; 16, first gripping portion; 17, isolation rib; 18, third limiter; 19, limiter groove; 111, protrusion; 112, insertion slide; 113, insertion channel; 20, female housing; 21, first limiter; 22, second limiter; 23. First snap fastener; 24. Protective rib; 25. Heat dissipation rib; 30. Positioning auxiliary member; 31. Reinforcing rib; 32. Third snap fastener; 33. Plug slot; 34. Limiting portion; 35. Second holding portion; 40. Male terminal; 41. Bending portion; 50. Female terminal; 51. First clamping arm; 52. Second clamping arm; 53. First abutting member; 54. Plug connector; 55. Clamping portion; 56. Second abutting member. DETAILED DESCRIPTION

[0017] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Please also read Figure 1-Figure 14 The present embodiment provides an automotive-grade connector for use in a rotary speed regulating motor for a car headlight, comprising a male housing 10, a female housing 20, a positioning auxiliary component 30, a plurality of male terminals 40 and a plurality of female terminals 50; the male housing 10 and the positioning auxiliary component 30 are movably plugged in, the female housing 20 and the positioning auxiliary component 30 are movably plugged in, the male terminal 40 is arranged in a cavity formed by the female housing 20 and the positioning auxiliary component 30, the female terminal 50 is accommodated in the cavity formed by the male housing 10 and the positioning auxiliary component 30, and the male terminal 40 and the female terminal 50 are electrically connected; the cross-sections of the rear wall of the positioning auxiliary component 30 and the rear wall of the female housing 20 are offset to form the rear wall of the automotive-grade connector, and the upper wall of the male housing 10 forms the upper wall of the automotive-grade connector.

[0019] The female housing 20 is a hollow rectangular parallelepiped structure including a lower wall, a left wall, a right wall and a rear wall. A plurality of male terminal insertion holes are arranged in the middle of the rear wall of the female housing 20. A protective rib 24 extending backward is arranged on the left and right sides of the lower part of the rear wall of the female housing 20, respectively. The protective rib is used to prevent the male terminal 40 from being deformed due to external collision. A plurality of heat dissipation ribs 25 are also arranged on the outer surface of the rear wall of the female housing 20. A plurality of second limiting ribs 22 are arranged in parallel along the front-to-back direction on the upper surface of the lower wall of the female housing 20. The left wall and the right wall of the female housing 20 are both provided with a first snap fastener 23 and a first limiting rib 21 along the front-to-back direction. The first snap fastener 23 and the first limiting rib 21 are arranged in parallel and there is an opening for accommodating the first guide rib 11 between them. The first snap fastener 23 is used to snap-connect with the second snap fastener 13. The first limiting rib 21 is accommodated between the first guide rib 11 and the second guide rib 12 to limit the movement of the male housing 10 in the vertical direction.

[0020] The male housing 10 is a hollow cuboid structure including an upper wall, a lower wall, a left wall, a right wall and a rear wall. The length of the lower wall is less than that of the upper wall. At the rear ends of the outer surfaces of the left and right walls of the male housing 10, there are provided a first guiding rib 11 and a second guiding rib 12 which are parallel to each other. On the upper surface of the first guiding rib 11, there is provided a second fastening member 13, and the first guiding rib 11 extends forward to form a fastening portion 14. At the front end of the outer surface of the upper wall of the male housing 10, there is provided a first pinching portion 16. Between the upper wall and the lower wall of the male housing 10, there are provided a plurality of parallel isolation ribs 17. The plurality of isolation ribs 17 divide the male housing 10 into a plurality of independent female terminal accommodating channels. On the side wall of each female terminal accommodating channel, there is provided a third limiting rib 18, and the third limiting rib 18 is used to limit the movement of the plug head 54 of the female terminal 50 in the vertical direction. Relative to each female terminal accommodating channel, at the front end of the upper wall of the male housing 10, there is provided an insertion slideway 112 for facilitating the insertion of the second abutting member 56 of the female terminal 50. At the rear end of the insertion slideway 112, there is provided an elastic limiting member 15, and the elastic limiting member 15 is arranged in an inclined plane to facilitate the pressing down and insertion of the second abutting member 56. At the bottom of each isolation rib 17, there is provided a protrusion 111 for being inserted into the insertion slot 33 of the positioning auxiliary member 30. On the outer surface of the lower wall of the male housing 10 opposite to each isolation rib 17, there is provided a limiting slot 19, and the limiting slot 19 is inserted into the second limiting rib 22 to limit the left-right movement of the male housing 10 relative to the female housing 20. On the rear wall of the male housing 10, there are provided a plurality of insertion channels 113 for inserting the male terminals 40.

[0021] The positioning auxiliary member 30 is a cuboid structure with a cross-section in the shape of "凵". On the inner surfaces of the two side walls of the positioning auxiliary member 30, there are provided third fastening members 32, and the third fastening members 32 are arranged in an inclined plane for facilitating the insertion of the fastening portion 14 of the male housing 10. On the inner surface of the bottom wall of the positioning auxiliary member 30, there are provided a plurality of parallel reinforcing ribs 31 in the front-rear direction. The plurality of reinforcing ribs 31 divide the positioning auxiliary member 30 into an isolation rib installation slot and a female terminal accommodating slot which are arranged at intervals. The isolation rib installation slot is used to clamp the isolation rib 17 on the male housing. On the isolation rib installation slot, there is provided an insertion slot 33 adapted to the protrusion 111 of the male housing 10. The protrusion 111 and the insertion slot 33 cooperate to improve the stability of the insertion of the positioning auxiliary member 30 and the male housing 10. The female terminal accommodating slot is used to accommodate the female terminal 50 and the wire. The presence of the reinforcing ribs 31 can press the female terminal 50 and the wire in the vertical direction to improve the stability of the female terminal 50 and the wire. At the rear end of each female terminal accommodating slot, there is provided a limiting portion 34, and the limiting portion 34 abuts against the first abutting member 53 of the female terminal 50 to limit the movement of the female terminal 50 in the direction of inserting into the male housing 10. At the front end of the outer surface of the lower wall of the positioning auxiliary member 30, there is further provided a second pinching portion 35, and the second pinching portion 35 cooperates with the first pinching portion 16 for pinching.

[0022] The female terminal 50 includes a wire insertion portion and a plug-in portion connected to the wire insertion portion; the wire insertion portion is used to accommodate the wire end to form an electrical connection between the wire end and the female terminal 50, and the plug-in portion is used to plug with the male terminal 40 to form an electrical connection between the male terminal 40 and the female terminal 50; the wire insertion portion has an arched cross-section, and a first clamping arm 51, a second clamping arm 52 and a first abutment member 53 are sequentially arranged from the front end to the rear end of the wire insertion portion, the first clamping arm 51 is used to wrap the insulating layer of the wire end, and the second clamping arm 52 is used to wrap the wire of the wire end, so as to realize the electrical connection between the wire end and the female terminal 50. The front end of the plug-in portion is provided with a plug connector 54, and the cross-section of the plug connector 54 is in a "convex" shape to facilitate the third limiting rib 18 to limit the plug connector 54 in the vertical direction, so as to prevent the female terminal 50 from shaking or tilting; the inner surface of the side wall of the plug connector is provided with a clamping portion 55 for clamping the male terminal 40, and the upper surface of the plug connector is further provided with a second abutment 56 for snap-connecting with the elastic limiting member 15. The third limiting rib 18 limits the plug connector 54 in the vertical direction, so that the snap-connection cooperation between the elastic limiting member 15 and the second abutment 56 is more stable.

[0023] The male terminal 40 includes an insertion section and a welding section, which are arranged in an "L" shape. The insertion section passes through the male terminal insertion hole on the rear wall of the female shell 20 and the plug-in channel 113 on the rear wall of the male shell to be electrically connected to the corresponding female terminal 50; a bending portion 41 is provided on the welding section, and the bending portion 41 is used to adjust the plug-in direction of the male terminal 40 on the one hand, and to increase the electrical contact points of the male terminal 40 welded with other components on the other hand.

[0024] When installing the automotive-grade connector, first, install the female terminal 50 with the wire end connected to the plug-in part into the female terminal accommodating groove of the positioning auxiliary part 30, so that the first abutment 53 abuts against the limiting part 34; secondly, align the isolation rib installation groove of the positioning auxiliary part 30 with the isolation rib 17 of the male housing 10 one by one and plug them in, until the positioning auxiliary part 30 and the male housing 10 form a stable connection through the third buckle 32 and the buckle of the buckle part 14. At this time, the protrusion 111 is accommodated in the plug-in groove 33, and the second abutment 56 and the elastic The limiting member 15 is snap-connected; then, pinch the second holding portion 35 and the first holding portion 16, align the second limiting rib 22 with the limiting groove 19 one by one for plugging, until a stable snap is formed between the first snap member 23 and the second snap member 13, at this time, the rear end of the positioning auxiliary member 30 and the front end of the female shell 20 are abutted, and the lower wall of the positioning auxiliary member 30 and the lower wall of the female shell 20 form the lower wall of the automotive-grade connector; finally, insert the insertion section of the male terminal 40 into the male terminal insertion hole and the plug-in channel 113 to electrically connect with the corresponding female terminal 50.

[0025] Although preferred embodiments of the present invention have been described, additional changes and modifications may be made to these embodiments by those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An automotive grade connector used in a rotating speed regulating motor for a car headlight, characterized in that: It includes a male housing (10), a female housing (20), a positioning auxiliary member (30), a plurality of male terminals (40) and a plurality of female terminals (50); the male housing (10) and the positioning auxiliary member (30) are movably inserted, the female housing (20) and the positioning auxiliary member (30) are movably inserted, the male terminals (40) are arranged in a cavity formed by the female housing (20) and the positioning auxiliary member (30), the female terminals (50) are accommodated in a cavity formed by the male housing (10) and the positioning auxiliary member (30), the male terminals (40) and the female terminals (50) are electrically connected, the rear walls of the positioning auxiliary member (30) and the female housing (20) are in contact with each other in cross-section to form the rear wall of the automotive-grade connector, and the upper wall of the male housing (10) forms the upper wall of the automotive-grade connector.

2. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 1, characterized in that: The male housing (10) is a hollow cuboid structure including an upper wall, a lower wall, a left wall, a right wall and a rear wall. At the rear ends of the outer surfaces of the left wall and the right wall of the male housing (10), a first guiding rib (11) and a second guiding rib (12) parallel to each other are provided. A second fastening member (13) is provided on the upper surface of the first guiding rib (11). The first guiding rib (11) extends forward to form a fastening portion (14). A plurality of parallel isolation ribs (17) are provided between the upper wall and the lower wall of the male housing (10). The plurality of isolation ribs (17) divide the male housing (10) into a plurality of independent female terminal accommodation channels; limiting grooves (19) are provided on the outer surfaces of the lower wall of the male housing (10) opposite to the respective isolation ribs (17).

3. The automotive grade connector used in the rotating speed regulating motor of the automobile headlight according to claim 2 is characterized in that: The female housing (20) is a hollow cuboid structure including a lower wall, a left wall, a right wall and a rear wall. First fastening members (23) and first limiting ribs (21) are provided on the left wall and the right wall of the female housing (20) along the front-rear direction. An opening for accommodating the first guiding rib (11) is provided between the first fastening member (23) and the first limiting rib (21). The first fastening member (23) is used for snap-connecting with the second fastening member (13). The first limiting rib (21) is accommodated between the first guiding rib (11) and the second guiding rib (12) to limit the vertical movement of the male housing (10). A plurality of second limiting ribs (22) parallel to each other are provided on the upper surface of the lower wall of the female housing (20) along the front-rear direction. The second limiting ribs (22) are adapted to the limiting grooves (19).

4. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 3 is characterized in that: The positioning auxiliary member (30) is a cuboid structure with a "凵”-shaped cross-section. Third fastening members (32) for snap-connecting with the fastening portion (14) are provided on the inner surfaces of both side walls of the positioning auxiliary member (30).

5. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 4, characterized in that: The inner surface of the bottom wall of the positioning auxiliary component (30) is provided with a plurality of mutually parallel reinforcing ribs (31) along the front-to-back direction. The plurality of reinforcing ribs (31) divide the positioning auxiliary component (30) into isolation rib installation grooves and female terminal accommodating grooves which are arranged at intervals from each other. The isolation rib installation grooves are used to clamp the isolation ribs (17) on the male housing. A limiting portion (34) is provided at the rear end of each female terminal accommodating groove.

6. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 5, characterized in that: The female terminal (50) comprises a wire insertion portion and a plug-in portion connected to the wire insertion portion; the wire insertion portion has an arched cross-section, and a first clamping arm (51), a second clamping arm (52) and a first abutment member (53) are sequentially arranged from the front end to the rear end of the wire insertion portion, the first clamping arm (51) is used to wrap tightly the insulating layer of the wire end, and the second clamping arm (52) is used to wrap tightly the wire of the wire end, so as to realize the electrical connection between the wire end and the female terminal (50); the first abutment member (53) is used to abut against the limiting portion (34).

7. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 6, characterized in that: A plug connector (54) is provided at the front end of the plug-in portion, and a second abutment member (56) for snap-connecting with an elastic limiting member (15) is also provided on the upper surface of the plug connector, and a third limiting rib (18) for limiting the vertical movement of the plug connector (54) of the female terminal (50) is provided on the side wall of each female terminal accommodating channel; an insertion slideway (112) for inserting the second abutment member (56) is provided at the front end of the upper wall of the male housing (10), and the elastic limiting member (15) is provided at the rear end of the insertion slideway (112).

8. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 5, characterized in that: The isolation rib installation groove is provided with an inserting groove (33), and the bottom of the isolation rib (17) is provided with a protrusion (111) for inserting into the inserting groove (33).

9. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 6, characterized in that: The plug-in portion of the female terminal (50) is in a "convex" shape.

10. The automotive grade connector used in the rotating speed regulating motor of a car headlight according to claim 1, characterized in that: The male terminal (40) comprises an insertion section and a welding section, the insertion section and the welding section are arranged in an "L" shape, and a bending portion (41) is arranged on the welding section.

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