Wiring harness connection structure and headlight electronic components

Abstract

The utility model relates to a vehicle lamp, and specifically to a wiring harness connection structure. In addition, it also relates to an electronic component of a vehicle lamp. The wiring harness connection structure of the utility model includes a terminal for connecting a cable, a housing and a terminal lock, the housing is formed with an opening for plugging in a circuit board, a mounting housing on one side of the opening of the housing is provided with a mounting groove for inserting the terminal, and the mounting housing is formed with a slot for installing the terminal lock, so that the terminal lock cooperates with the mounting housing to fix the terminal, and there is no need to use special tools to connect the circuit board, thereby simplifying the installation process; reducing production costs, while improving production efficiency.

Description

Technical Field

[0001] The utility model relates to a vehicle lamp, in particular to a wiring harness connection structure and also to an electronic component of the vehicle lamp. Background Art

[0002] With the rapid development of the automobile industry, headlights, as an important part of automobiles, have become increasingly complex and sophisticated in their design and manufacturing processes. In this process, wire harnesses, as an efficient and reliable electrical connector, are widely used in headlight tooling. Wire harnesses are mainly used to connect the electronic components of various headlights, such as circuit boards, or circuit boards and controllers, to achieve current transmission and signal transmission. Traditional wire harnesses easily occupy the internal space of headlights, and the wire harnesses are intricately crossed. The flat cable has the characteristics of high wiring density, light weight and thin thickness, so it is increasingly widely used in the manufacture of headlights. There are currently two main ways to combine connectors and flat cables. The first option is to connect the flat cable to the connector of the circuit board through the flip-cover pressing structure of the connector. This method is compact and low in cost. The second option is to use traditional connectors and flat cables, and then assemble the traditional connectors with the connectors on the circuit board. This connection method is stable, reliable and easy to install. However, Solution 1 has a small pull-out force and is not reliable because the cable is prevented from coming out by the friction generated by the flip-cover pressing structure of the connector on the circuit board. In addition, the flip-cover pressing structure of the connector on the circuit board is generally small, making it difficult to install by hand and requiring tools, so the production cycle is slow. Solution 2 requires one more connector to achieve the connection, so it is more expensive and occupies a large space, making it unsuitable for compact application scenarios.

[0003] In order to overcome the problems existing in the prior art, the utility model provides a wiring harness connection structure. Utility Model Content

[0004] The problem to be solved by the utility model is to provide a wiring harness connection structure, which has a compact structure, can save the internal space of the vehicle lamp, reduces the difficulty of installation, is conducive to improving the production efficiency of the vehicle lamp, and has a stable and reliable connection method with low cost.

[0005] The technical problem that the utility model also solves is to provide an electronic component for a vehicle lamp, which has reliable connection of the vehicle lamp wiring harness, compact structure, reduced cost, convenient installation and improved production efficiency.

[0006] In order to solve the above technical problems, the utility model provides a wiring harness connection structure, including a terminal for connecting a cable, a shell and a terminal lock, the shell is formed with an opening for plugging in a circuit board, and a mounting groove for inserting the terminal is provided on a mounting shell located on one side of the opening of the shell, and the mounting shell is formed with a slot for installing the terminal lock, so that the terminal lock cooperates with the mounting shell to fix the terminal.

[0007] Further preferably, the slot is arranged corresponding to the mounting slot, the terminal lock is formed with a terminal stabilizing boss, when the terminal lock is in an installed state, the terminal stabilizing boss is supported on the terminal, and the terminal lock is connected to the mounting housing through a snap-fit ​​structure.

[0008] Further preferably, the terminal is provided with a plurality of bosses cooperating with the mounting groove, and a limit block for stopping and limiting the terminal is provided between the terminal and the mounting groove.

[0009] Further preferably, the terminal lock is provided with a positioning boss, and the slot is provided with a positioning groove matched with the positioning boss.

[0010] Further preferably, the terminal comprises a cable connection portion for connecting the cable, and the cable connection portion is a puncture crimping structure.

[0011] Further preferably, a resilient spring sheet for abutting against the circuit board is provided on one side of the terminal facing the opening.

[0012] Further preferably, the housing is provided with an elastic snap-on, and the circuit board is provided with a snap-on fitting groove, so that when the circuit board is inserted into the opening, the elastic snap-on fits with the snap-on fitting groove to form a lock.

[0013] Further preferably, an error-proofing structure is provided between the opening and the circuit board.

[0014] Preferably, the anti-error structure includes an anti-error boss and an anti-error groove, and one of the opening and the circuit board is formed with the anti-error boss, and the other is formed with the anti-error groove.

[0015] Another aspect of the utility model provides an electronic component of a vehicle lamp, comprising a wiring harness connection structure of any one of the above technical solutions.

[0016] Through the above technical solution, the beneficial effects of the present invention are as follows:

[0017] The wiring harness connection structure of the utility model includes a terminal, a shell and a terminal lock for connecting a flat cable. The shell is formed with an opening for plugging in a circuit board. A mounting groove for inserting the terminal is provided on a mounting shell located on one side of the opening of the shell, and a slot for installing the terminal lock is formed on the mounting shell, so that the terminal lock cooperates with the mounting shell to fix the terminal. The structure is compact and can realize efficient utilization of the internal space of the vehicle lamp. At the same time, no specific tools are required to connect the circuit board, which reduces the difficulty of installation and improves the production efficiency of the vehicle lamp. Compared with traditional connectors, the utility model has only one mounting shell to reduce the cost of the vehicle lamp. Compared with the traditional implementation method of matching the connector with the flat cable, the pull-out force of the utility model is greater and the connection is more reliable.

[0018] Other advantages of the present invention and the technical effects of the preferred embodiments will be further described in the following specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a specific embodiment of the wiring harness connection structure of the utility model;

[0020] Figure 2 This is a schematic structural diagram of a housing of a specific embodiment of the wiring harness connection structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a terminal lock installed in a specific embodiment of the novel wiring harness connection structure of the utility model;

[0022] Figure 4 It is a cross-sectional schematic diagram of the terminal lock riveting of a specific embodiment of the novel wiring harness connection structure of the utility model;

[0023] Figure 5 It is a structural schematic diagram of a circuit board installed in a specific embodiment of the wiring harness connection structure of the utility model;

[0024] Figure 6 It is a schematic diagram of the structure of the terminal riveted wiring arrangement of a specific embodiment of the wiring harness connection structure of the utility model;

[0025] Figure 7 It is a structural schematic diagram of a housing anti-error boss of a specific embodiment of the wiring harness connection structure of the utility model;

[0026] Figure 8 It is a structural schematic diagram of a terminal lock of a specific embodiment of the wiring harness connection structure of the utility model;

[0027] Fig. 9 It is a schematic diagram of the structure of a terminal of a specific embodiment of the wiring harness connection structure of the utility model;

[0028] Fig.10This is a schematic diagram of the structure of a cable arrangement in a specific embodiment of the utility model;

[0029] Fig.11 It is a structural schematic diagram of a circuit board of a specific embodiment of the utility model;

[0030] Fig.12 It is a cross-sectional schematic diagram of an elastic buckle locking circuit board according to a specific embodiment of the utility model.

[0031] Description of Reference Numerals

[0032] 1. Terminal; 1-1. Boss; 2. Cable; 3. Housing; 4. Elastic spring; 5. Circuit board; 6. Terminal lock; 7. Positioning boss; 8. Opening; 9. Elastic buckle 15; 10. Slot; 11. Buckle matching groove; 12. Mounting groove; 13. Cable joint; 14. Terminal stabilizing boss; 15. Anti-error groove; 16. Anti-error boss; 17. Buckle structure; 18. Limit block. DETAILED DESCRIPTION

[0033] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be abutment, it can be the internal connection of two elements, or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] It should be understood that the directions or positional relationships indicated by the terms "upper" and "lower" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "multiple" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0036] In a basic implementation of the wiring harness connection structure provided by the utility model, as Figures 1 to 12As shown, it includes a terminal 1 for connecting a cable 2, a shell 3 and a terminal lock 6, the shell 3 is formed with an opening 8 for plugging in a circuit board 5, and a mounting housing of the shell 3 located on one side of the opening 8 is provided with a mounting groove 12 for inserting the terminal 1, and the mounting housing is formed with a slot 10 for installing the terminal lock 6, so that the terminal lock 6 cooperates with the mounting housing to fix the terminal 1. The wiring harness connection structure of the utility model is compact, and the installation process of connecting the circuit board 5 is simple and quick, and no specific installation tools are required, which reduces the difficulty of the installation operation, shortens the production time of the car lamp, improves the production efficiency, is conducive to controlling the production cost of the product, and makes the production of the car lamp more efficient and economical.

[0037] In a specific embodiment of the present invention, Figure 2 , 3 As shown in FIGS. 4 and 8 , the slot 10 is arranged corresponding to the mounting slot 12, and the terminal lock 6 is formed with a terminal stabilizing boss 14, which enhances the structural strength of the terminal lock 6 and the structural stability of the fixing point. When the terminal lock 6 is in the installed state, the terminal stabilizing boss 14 is abutted against the terminal 1, and the terminal lock 6 is connected to the mounting shell through a snap structure 17. The terminal stabilizing boss 14 can enhance the structural strength of the terminal lock 6, and at the same time is conducive to its coordinated connection with the boss 1-1, so that the terminal 1 is stably installed in the housing 3, ensuring the stability and accuracy of the process of plugging or unplugging the circuit board 5.

[0038] In a specific embodiment of the present invention, Figure 3 , 6 As shown in Figure 9, the terminal 1 is provided with a plurality of bosses 1-1 that cooperate with the mounting groove 12. The plurality of bosses 1-1 are arranged at intervals, and a stop block 18 is provided between the terminal 1 and the mounting groove 12 to stop and limit the terminal 1. When the terminal 1 is installed into the housing 3, the portion of the terminal 1 where the boss 1-1 is provided penetrates into the mounting groove 12. On the one hand, when the terminal lock 6 is installed, the terminal stabilizing boss 14 is located in the gap between the plurality of bosses 1-1, which holds and locks the terminal 1, and can prevent the terminal 1 from moving in the length direction, thereby enhancing the tightness of the connection. At the same time, the stop block 18 constrains the length of the terminal 1 inserted into the mounting groove 12, and cooperates with the terminal stabilizing boss 14 to be inserted into the gap between the plurality of bosses 1-1. In another embodiment, the terminal stabilizing boss 14 is provided with a groove, and the boss 1-1 is inserted into the groove, thereby locking the terminal 1.

[0039] In a specific embodiment of the present invention, Figure 5As shown, the terminal lock 6 is provided with a positioning boss 7, and the slot 10 is provided with a positioning groove matched with the positioning boss 7. The shapes of the positioning boss 7 and the positioning groove are matched with each other to ensure that the terminal lock 6 is quickly and accurately loaded into the slot 10. In addition, when the terminal 1 is installed in a locking manner by using a method in which the terminal stabilizing boss 14 is provided with a groove for inserting the matching boss 1-1, the cooperation of the positioning boss 7 and the positioning groove can assist the docking of the terminal 1 and the terminal lock 6.

[0040] In a specific embodiment of the present invention, Figure 6 , 9 As shown in FIG. 10 , the terminal 1 includes a cable connection portion 13 for connecting the cable 2. The cable connection portion 13 is a puncture crimping structure. The puncture crimping structure pierces the insulating layer of the cable 2 to make the conductor in close contact with the terminal 1, thereby preventing the conductor of the cable 2 from being exposed to the air and oxidized. Compared with the traditional welding connection method, the puncture crimping structure avoids the phenomenon of cold welding during welding, which is beneficial to the stability and reliability of the wiring harness structure. It should be noted that the cable connection portion 13 is a puncture crimping structure only as a specific implementation method, and is not a limitation on the protection scope of the utility model. It is conceivable that the cable connection portion 13 can also be connected to the cable 2 by welding.

[0041] On the other hand, the cable 2 adopts FPC cable or FFC cable; FPC cable, also known as flexible printed circuit board or bendable connecting wire group, its function is to connect two related parts or products; FPC cable is usually made of copper foil etching, has good temperature resistance, and can withstand temperatures above 200°C; FFC cable, also known as flexible flat cable, has higher production efficiency. This cable can arbitrarily select the number and spacing of wires, making wiring more convenient, and also greatly reducing the size of electronic products and reducing production costs. FFC cable is suitable for data transmission between mobile parts and motherboards, between PCB boards and PCB boards, and in miniaturized electrical equipment.

[0042] In a specific embodiment of the present invention, Figure 5 and Fig. 9 As shown, an elastic spring piece 4 for abutting the circuit board 5 is provided on the side of the terminal 1 facing the opening 8, which ensures the high efficiency of electrical conduction between the terminal 1 and the circuit board 5, effectively reduces the contact resistance, and improves the transmission efficiency. The elastic spring piece 4 provides a good locking force to ensure the close contact between the terminal 1 and the circuit board 5, and enhances the stability and reliability of the connection. The elastic spring piece 4 can adapt to the slight deviation and deformation of the circuit board 5, so that the terminal 1 and the circuit board 5 maintain a continuous and stable connection, reduce the looseness or failure of the connection caused by vibration or temperature change, and improve the overall performance of the wiring harness connection structure.

[0043] In a specific embodiment of the present invention, Fig.11 and 12 As shown, the housing 3 is provided with an elastic snap 9, and the circuit board 5 is provided with a snap-fitting groove 11, so that when the circuit board 5 is inserted into the opening 8, the elastic snap 9 cooperates with the snap-fitting groove 11 to form a lock. Through the close combination of the elastic snap 9 and the fitting groove 11, the circuit board 5 is firmly fixed inside the housing 3, effectively preventing the circuit board 5 from falling off or loosening, thereby avoiding potential electrical failures and safety hazards. At the same time, the installation of the circuit board 5 becomes simple and quick, and there is no need to use additional tools or screws to connect it to the housing 3, reducing the difficulty and cost of assembly.

[0044] In a specific embodiment of the present invention, Fig.11 and Figure 7 As shown, an anti-error structure is provided between the opening 8 and the circuit board 5. The anti-error structure allows the circuit board 5 to be installed into the opening 8 only in the correct manner and position, thereby ensuring the correct connection and fixation between the circuit board 5 and the housing 3, improving the reliability of the connection, and reducing faults and hidden dangers caused by improper installation.

[0045] In a specific embodiment of the present invention, Fig.11 and Figure 7 As shown, the error-proofing structure includes an error-proofing boss 16 and an error-proofing groove 15. One of the opening 8 and the circuit board 5 is formed with the error-proofing boss 16, and the other is formed with the error-proofing groove 15. The structures of the error-proofing boss 16 and the error-proofing groove 15 are simple, and there is no need to perform complicated processing on the opening 8 of the shell 3 and the circuit board 5, which is convenient for the production and manufacturing of the shell 3 and the circuit board 5. Secondly, the cooperation between the error-proofing boss 16 and the error-proofing groove 15 provides an error-proofing function, ensuring that the opening 8 and the circuit board 5 can only be combined in a correct manner, ensuring that the circuit board 5 can only be installed in the correct direction and position during the assembly process, and effectively avoiding incorrect installation. In addition, the arrangement of the error-proofing boss 16 and the error-proofing groove 15 also enhances the structural strength of the wiring harness connection structure; the combination of the error-proofing boss 16 and the error-proofing groove 15 not only provides an error-proofing function, but also makes the wiring harness connection structure more sturdy during use.

[0046] In order to better understand the technical solution of the wiring harness connection structure of the present invention, the following is an explanation in combination with relatively preferred technical features.

[0047] like Figures 1 to 12The utility model shows that the wiring harness connection structure includes a terminal 1 for connecting a flat cable 2, a shell 3 and a terminal lock 6. The terminal 1 includes a flat cable joint 13 for connecting the flat cable 2. The flat cable joint 13 is a piercing and crimping structure. The piercing and crimping structure pierces the insulating layer of the flat cable 2 to make the conductor in close contact with the terminal 1, thereby preventing the conductor of the flat cable 2 from being exposed to the air and oxidized. Compared with the traditional welding connection method, the piercing and crimping structure avoids the phenomenon of cold welding during the welding process. This connection method ensures the stability and reliability of the wiring harness structure; the flat cable 2 is an FPC flat cable, and the shell 3 is formed with an opening 8 for plugging in the circuit board 5. The terminal 1 faces the opening 8. An elastic spring sheet 4 for abutting against the circuit board 5 is provided on one side, ensuring the high efficiency of the electrical conduction between the terminal 1 and the circuit board 5. The elastic spring sheet 4 provides a good locking force, which can ensure the close contact between the terminal 1 and the circuit board 5, and enhance the stability and reliability of the connection; the housing 3 is provided with an elastic buckle 9, and the circuit board 5 is provided with a buckle matching groove 11, so that when the circuit board 5 is inserted into the opening 8, the elastic buckle 9 matches the buckle matching groove 11 to form a lock. Through the close combination of the elastic buckle 9 and the matching groove 11, the circuit board 5 is firmly fixed inside the housing 3, effectively preventing the circuit board 5 from falling off or loosening, thereby avoiding potential electrical failures and safety hazards;An error-proofing structure is provided between the shell 3 and the circuit board 5, and the error-proofing structure includes an error-proofing boss 16 and an error-proofing groove 15. The opening 8 is formed with an error-proofing boss 16, and the circuit board 5 is formed with an error-proofing groove 15. The structures of the error-proofing boss 16 and the error-proofing groove 15 are simple, and the opening 8 of the shell 3 and the circuit board 5 do not require complicated processing technology, which is convenient for the production and manufacturing of the shell 3 and the circuit board 5. Secondly, the cooperation between the error-proofing boss 16 and the error-proofing groove 15 provides an error-proofing function to ensure that the opening 8 and the circuit board 5 can only be combined in a correct way, and effectively avoid incorrect installation. The installation shell of the shell 3 located on one side of the opening 8 is provided with an installation groove 12 for inserting the terminal 1, and the installation shell is formed with a slot 10 for installing the terminal lock 6, and the slot 10 is arranged corresponding to the installation groove 12. The terminal lock 6 is formed with a terminal stabilizing boss 14. When the terminal lock 6 is in the installed state, the terminal stabilizing boss 1 4 is abutted against the terminal 1, and the terminal lock 6 is connected to the installation housing through a snap structure 17, which is conducive to its matching connection with the boss 1-1. The terminal 1 is provided with multiple bosses 1-1 that match the installation groove 12, and a limit block 18 is provided between the terminal 1 and the installation groove 12 to stop and limit the terminal 1. When the terminal 1 is installed in the housing 3, the boss 1-1 is located in the area where the installation groove 12 is located. When the terminal lock 6 is installed, its terminal stabilizing boss 14 is located in the gap between the multiple bosses 1-1, and the terminal 1 is abutted and locked. At the same time, the limit block 18 restricts the length of the terminal 1 inserted into the installation groove 12, and the terminal stabilizing boss 14 is inserted into the gap between the multiple bosses 1-1. The terminal lock 6 is provided with a positioning boss 7, and the slot 10 is provided with a positioning groove that matches the positioning boss 7. The shapes of the positioning boss 7 and the positioning groove fit each other to ensure that the terminal lock 6 is quickly and accurately installed in the slot 10. ;

[0048] In summary, the wiring harness connection of the utility model has the following advantages:

[0049] 1. The wiring harness connection structure, after assembling the flat cable 2 and the terminal 1, inserts into the housing 3, and uses the terminal lock 6 to cooperate with the mounting housing to fix the terminal 1. The terminal lock 6 can reduce the shaking of the terminal 1 in the housing 3, and the terminal 1 is more stable;

[0050] 2. The circuit board 5 can be directly inserted into the housing 3 to form a fit, and there is no need to use special tools to connect the circuit board 5, which simplifies the installation process; in addition, there is no need to make welding joints on the circuit board, which reduces production costs and improves production efficiency.

[0051] 3. The opening 8 of the wiring harness connection structure is provided with an elastic buckle 9 which cooperates with the buckle matching groove 11 of the circuit board 5, so that the pull-out force is greater, thereby enhancing the firmness and stability of the connection between the two.

[0052] The utility model also provides an electronic component of a vehicle lamp, which includes the wiring harness connection structure provided by the utility model, and thus has all the beneficial effects thereof, which will not be described in detail herein.

[0053] The various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further explain various possible combinations.

[0054] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A wiring harness connection structure, characterized in that: The invention comprises a terminal (1) for connecting a flat cable (2), a shell (3) and a terminal lock (6), wherein the shell (3) is formed with an opening (8) for plugging in a circuit board (5), a mounting housing of the shell (3) located on one side of the opening (8) is provided with a mounting groove (12) for inserting the terminal (1), and the mounting housing is formed with a slot (10) for installing the terminal lock (6), so that the terminal lock (6) cooperates with the mounting housing to fix the terminal (1).

2. A wiring harness connection structure according to claim 1, characterized in that: The slot (10) is arranged corresponding to the mounting slot (12), the terminal lock (6) is formed with a terminal stabilizing boss (14), the terminal lock (6) is in an installed state, the terminal stabilizing boss (14) abuts against the terminal (1), and the terminal lock (6) is connected to the mounting housing via a snap-fit ​​structure (17).

3. A wiring harness connection structure according to claim 1, characterized in that: The terminal (1) is provided with a plurality of bosses (1-1) that cooperate with the mounting groove (12), and a limit block (18) is provided between the terminal (1) and the mounting groove (12) for stopping and limiting the terminal (1).

4. A wiring harness connection structure according to claim 2, characterized in that: The terminal lock (6) is provided with a positioning boss (7), and the slot (10) is provided with a positioning groove matched with the positioning boss (7).

5. A wiring harness connection structure according to claim 1, characterized in that: The terminal (1) comprises a cable connection portion (13) for connecting the cable (2), and the cable connection portion (13) is a piercing crimping structure.

6. A wiring harness connection structure according to claim 1, characterized in that: An elastic spring sheet (4) for abutting against the circuit board (5) is provided on the side of the terminal (1) facing the opening (8).

7. A wiring harness connection structure according to claim 1, characterized in that: The housing (3) is provided with an elastic buckle (9), and the circuit board (5) is provided with a buckle fitting groove (11), so that when the circuit board (5) is inserted into the opening (8), the elastic buckle (9) fits with the buckle fitting groove (11) to form a locking state.

8. The wire harness connection structure according to claim 1, characterized in that: An error-proofing structure is provided between the opening (8) and the circuit board (5).

9. A wiring harness connection structure according to claim 8, characterized in that: The anti-error structure comprises an anti-error boss (16) and an anti-error groove (15); one of the opening (8) and the circuit board (5) is formed with the anti-error boss (16), and the other is formed with the anti-error groove (15).

10. An electronic component for a vehicle lamp, characterized in that: The invention comprises the wiring harness connection structure according to any one of claims 1 to 9.

Images