An automobile airbag wiring terminal

Abstract

The utility model provides a kind of automobile safety air bag terminal, including connecting seat, with the plug-in main body of connecting seat cooperation connection and install in the electric contact piece of plug-in main body, the plug-in main body one end is equipped with socket, and the end opposite to socket is equipped with interface, it is characterized by: still including the contact piece in interface, the contact piece includes fixed end and pin foot, the interface is equipped with the snap groove compatible with fixed end, the pin foot is equipped with at least two, the interface is equipped with the communication port in snap groove top and is connected with socket, and the pin foot end is equipped with the snap end bent towards connecting seat and is snapped in communication port. The utility model contact is good, and stable and firm installation is conducted.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to an automotive airbag wiring terminal. Background Technology

[0002] An airbag system is a passive safety protection system (see Automotive Safety Performance) that works in conjunction with seat belts to provide effective collision protection for occupants. In a car crash, airbags can reduce the rate of head injuries by 25% and facial injuries by approximately 80%. Current airbag systems connect to terminals via connectors, but these terminals only have one pin for electrical connection, leading to decreased reliability, unstable contact, and potential failure to trigger, thus reducing safety. Utility Model Content

[0003] Based on the above problems, the purpose of this utility model is to provide an automotive airbag wiring terminal that has good contact, stable conductivity, and secure installation.

[0004] To address the above problems, the following technical solution is provided: a terminal block for automotive airbags, comprising a connector, a plug-in body that mates with the connector, and a contact piece installed within the plug-in body. One end of the plug-in body has a socket, and the opposite end has an interface. It also includes a contact element located within the interface. The contact element includes a fixed end and pins. The interface has a locking groove adapted to the fixed end. At least two pins are provided. A communication port communicating with the socket is provided above the locking groove within the interface. The end of each pin has a locking end that bends towards the connector and engages with the communication port.

[0005] In the above structure, the connection strength between the contact element and the insertion body is improved by setting two pins, and the stable deployment of the airbag is ensured by setting two contact points, thereby improving the safety performance of this utility model. The engagement groove facilitates the connection of the contact element through the fixed end to the engagement groove, improving the convenience and stability of contact element installation. The connecting port facilitates the fixing of the engagement end, thereby improving the stability of the contact element and the firmness of the installation.

[0006] The present invention is further configured such that the fixed end is U-shaped with the opening facing the insertion port, and its bottom edge is inserted into the engaging groove, and its top edge clamps the upper end of the engaging groove.

[0007] The above structure can further improve the connection strength between the fixed end and the locking groove, and improve the stability of the contact and the firmness of the installation.

[0008] The present invention is further provided that the opening end of the engaging groove is provided with a guide surface that is inclined upward toward the insertion direction of the fixed end.

[0009] In the above structure, the guide surface facilitates the positioning and installation of the fixed end, thereby improving the ease of assembly of this utility model.

[0010] The present invention is further provided that the communicating port is provided with a positioning groove that is adapted to the engaging end.

[0011] In the above structure, the positioning groove facilitates the locking end to be positioned and locked in the locking groove, which improves the anti-dislodgement performance of the pin, thereby improving the stability of the contact and the reliability of this utility model.

[0012] The present invention is further configured such that the connecting seat is provided with a connecting block, the connecting block is provided with a sliding groove, the inner wall of the sliding groove is provided with a locking block, the connecting block is provided with outwardly protruding limiting ridges on both sides, the bottom of the plug-in body is provided with a connecting groove adapted to the connecting block, the connecting groove is provided with limiting grooves adapted to the limiting ridges on both sides, the connecting groove is provided with a fixing block adapted to the sliding groove, and the end of the fixing block is provided with a limiting block that engages with the locking block.

[0013] In the above structure, the plug-in body slides into the connecting block of the connecting seat via a connecting groove, and the fixing block engages with the sliding groove, allowing the limiting block and the locking block to engage, thus achieving a detachable connection between the plug-in body and the connecting seat. The limiting ridge and the limiting groove engage to limit the sliding direction of the plug-in body in the up-down direction, and the locking block engages with the limiting block to limit the sliding direction of the plug-in body relative to the connecting seat, thereby improving the stability and firmness of the connection between the plug-in body and the connecting seat, and enhancing the reliability of this invention.

[0014] The present invention is further configured such that there are two card blocks arranged opposite each other, and located at both ends of the connecting block respectively.

[0015] The above structure allows the main body to determine the installation direction according to the actual use, enabling installation from both ends of the connector, thus improving the ease of installation and expanding the scope of application of this utility model.

[0016] The present invention is further provided that the bottom end of the connecting seat is provided with a buckle, and the end of the buckle is provided with two symmetrically arranged through holes along its length direction.

[0017] The above structure allows the buckle to be flexibly installed in the junction box of the car or other mounting body, and prevents it from moving or rotating, thereby facilitating the assembly and disassembly of this utility model and improving the stability of its installation.

[0018] The present invention is further provided that anti-reverse grooves are provided at the top of both sides of the buckle.

[0019] In the above structure, the anti-reverse groove can improve the firmness and stability of the connector installation, thereby improving the reliability of this utility model.

[0020] The present invention is further provided with an outwardly protruding baffle between the connecting block and the buckle.

[0021] The above structure can improve the stability of the installation of this utility model and prevent it from shaking. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .

[0023] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .

[0024] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0025] Figure 4 This is a schematic diagram of the disassembled structure of this utility model.

[0026] Figure 5 This is a schematic diagram of the structure of the connector and the insertion body in this utility model.

[0027] Figure 6 This is a schematic diagram of the structure in which the contact element is installed inside the plug-in body in this utility model.

[0028] Figure 7 This is a schematic diagram of the structure of the plug-in main body in this utility model.

[0029] The labels in the diagram have the following meanings: 1-Connector; 2-Plug-in body; 3-Connector piece; 21-Socket; 22-Interface; 4-Contact; 41-Fixed end; 42-Pin; 23-Mounting groove; 24-Connecting port; 43-Mounting end; 231-Guide surface; 241-Positioning groove; 5-Connecting block; 51-Sliding groove; 52-Mounting block; 53-Limiting ridge; 25-Connecting groove; 26-Limiting groove; 27-Fixed block; 271-Limiting block; 6-Snap-in; 61-Through port; 62-Anti-reverse groove; 7-Guard. Detailed Implementation

[0030] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] like Figures 1 to 7 The relay shown includes a base 1, an electromechanical assembly 2 mounted on the base 1, and a housing 3 that cooperates with the base 1. The electromechanical assembly 2 includes a frame 21, an electromagnet 22 mounted in the frame 21, a connecting plate 23 connected to the frame 21, an armature 24 connected to the connecting plate 23 and located at one end of the electromagnet 22, a moving contact plate 25 that is linked with the armature 24, and a stationary contact plate 26 mounted on the base 1 and disposed opposite to the moving contact plate 25. One end of the moving contact plate 25 is connected to the armature 24, and the other end extends outward to a position opposite to the stationary contact plate 26. The moving contact plate 25 is provided with a moving contact 251, and the stationary contact plate 26 is provided with a stationary contact 261 corresponding to the moving contact 251.

[0033] In the above structure, opening and closing are achieved by setting a moving contact 251 on the moving contact plate 25 to cooperate with the stationary contact 261 on the stationary contact plate 26, which can improve its ability to carry high current, thereby improving the load-bearing capacity of this utility model and expanding the scope of application of this utility model.

[0034] In this embodiment, the end of the moving contact plate 25 that is fixed to the armature 24 by rivets is the fixed end 252, and the end corresponding to the stationary contact plate 26 is the connecting end 253. The moving contact 251 is located on the connecting end 253.

[0035] In the above structure, the fixed end 252 facilitates the fixing of the moving contact plate 25, and the connecting end 253 facilitates its cooperation with the stationary contact plate 26 to achieve opening and closing.

[0036] In this embodiment, the moving contact plate 25 has a T-shaped cross-section, and the length of the fixed end 252 is greater than the width of the connecting end 253.

[0037] By adopting the above structure, the elastic reset capability of the moving contact plate 25 can be improved, thereby improving the reliability of this utility model.

[0038] In this embodiment, a slot 31 is provided on the outer side of the shell 3 opposite to the connecting end 253, and an arc guide block 4 is installed in the slot 31.

[0039] In the above structure, the arc guide block 4 serves to initiate an arc, thereby improving the safety of this invention. The slot 31 facilitates the installation of the arc guide block 4, thus improving the ease of assembly of this invention.

[0040] In this embodiment, a pin 5 is installed on one end of the I-beam frame 21 relative to the moving contact plate 25. The pin 5 is provided in two sets, located on both sides of the electromagnet 22 respectively. One end of the pin 5 is inserted into the I-beam frame 21 to form a positioning end 51, and the other end passes through the base 1 to form a wiring end 52.

[0041] In the above structure, mounting the pin 5 on the I-beam frame 21 can improve the stability and firmness of the pin 5, and placing the pin 5 on both sides of the electromagnet 22 can reduce the installation distance between the two pins 5, thereby improving the convenience of wiring of this utility model.

[0042] In this embodiment, the base 1 has a protrusion 11 on the side facing the shell 3 that abuts against the I-beam frame 21, and the protrusion 11 has a connecting groove 12 that matches the pin 5.

[0043] In the above structure, the stability of the I-beam frame 21 can be improved by setting the protrusion 11, and the stability of the pin 5 can be further improved by setting the connecting groove 12, thereby improving the reliability of this utility model.

[0044] In this embodiment, the positioning end 51 has a protruding ridge 53 on the side facing the outside of the housing 3, and the protruding ridge 53 is set with a reduced diameter facing the installation direction of the pin 5.

[0045] In the above structure, by setting the protruding rib 53, the connection strength between the pin 5 and the I-beam frame 21 can be improved, thereby achieving the function of preventing backlash and improving the stability of the pin 5 and the reliability of this utility model.

[0046] In this embodiment, several protruding ridges 53 are provided facing the mounting direction of the pin 5.

[0047] By adopting the above structure, the connection strength between the pin 5 and the I-beam frame 21 can be further improved, thereby enhancing the reliability of this utility model.

[0048] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model. These improvements and modifications assumed above should also be considered within the protection scope of the present utility model.

Claims

1. A wiring terminal for an automotive airbag, comprising a connector, a plug-in body cooperating with the connector, and a contact piece installed within the plug-in body, wherein one end of the plug-in body has a socket and the opposite end has an interface, characterized in that: It also includes a contact element located within the interface, the contact element including a fixed end and pins, the interface having a locking groove adapted to the fixed end, at least two pins, the interface having a communication port connected to the socket above the locking groove, and the pin end having a locking end bent toward the connector and locked in the communication port.

2. The automotive airbag wiring terminal according to claim 1, characterized in that: The fixed end is U-shaped with its opening facing the insertion port. Its bottom edge is inserted into the locking groove, and its top edge clamps the upper end of the locking groove.

3. The automotive airbag wiring terminal according to claim 2, characterized in that: The opening end of the engaging groove has a guide surface that is inclined upward toward the insertion direction of the fixed end.

4. The automotive airbag wiring terminal according to claim 1, characterized in that: The connecting port is provided with a positioning groove that matches the engaging end.

5. A terminal block for automotive airbags according to claim 1, characterized in that: The connecting seat is provided with a connecting block, the connecting block has a sliding groove, the inner wall of the sliding groove has a locking block, the connecting block has outwardly protruding limiting ridges on both sides, the bottom of the plug-in body has a connecting groove adapted to the connecting block, the connecting groove has limiting grooves adapted to the limiting ridges on both sides, the connecting groove has a fixing block adapted to the sliding groove, and the end of the fixing block has a limiting block that engages with the locking block.

6. A terminal block for automotive airbags according to claim 5, characterized in that: Two card blocks are arranged opposite each other and are located at both ends of the connecting block. The bottom end of the connecting seat is provided with a buckle, and the end of the buckle has two symmetrically arranged through holes along its length.

7. A terminal block for automotive airbags according to claim 6, characterized in that: Anti-reverse grooves are provided at the top of both sides of the buckle.

8. A terminal block for automotive airbags according to claim 7, characterized in that: A protruding baffle is provided between the connecting block and the buckle.

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