Improved pin structure of upper shell of automobile headlight motor

Abstract

The application relates to an improved structure of a Pin needle on a motor upper shell of an automobile headlamp and relates to the technical field of automobile lighting systems, and comprises a first Pin needle, a second Pin needle and a third Pin needle. The application changes the extension direction of a traditional vertical Pin needle by 90-degree bending design of a first horizontal protrusion and a first vertical section, a second vertical section and a second horizontal section, a second horizontal protrusion and a third vertical section, effectively avoids front compartment components, optimizes space layout to adapt to compactness requirements, the horizontal protrusion of the first horizontal protrusion and the second horizontal protrusion is embedded with a plastic matrix or a connector to realize reliable positioning and locking, the symmetrical distribution of the second Pin needle between the first Pin needle and the third Pin needle improves the overall anti-vibration stability and reduces displacement, the uniform width of the first horizontal section, the second horizontal section and the third horizontal section ensures uniform contact with the connector, and the first Pin needle, the second Pin needle and the third Pin needle are made of phosphor bronze material to ensure the stability of the structure and conduction.

Description

Technical Field

[0001] This application relates to the field of automotive lighting system technology, and in particular to an improved structure of the pin on the upper housing of an automotive headlight motor. Background Technology

[0002] As a core component of the automotive lighting system, the performance of the headlight motor directly affects driving safety. With the increasing level of automotive electronics, the requirements for the reliability, sealing, and durability of the PIN connector structure on the motor housing are becoming increasingly stringent.

[0003] With the increasing level of automotive electronics (such as the widespread adoption of intelligent headlights and adaptive dimming functions), the traditional vertical pin structure has exposed the following key problems: the vertical pin extends along the axis, which can easily interfere with the compact space of the car's front compartment, resulting in the need to reserve redundant installation space on the motor housing, which limits the miniaturization design of the headlight module. In order to solve the above problems, an improved pin structure for the automotive headlight motor housing has been proposed. Utility Model Content

[0004] The purpose of this application is to provide an improved structure for the pins on the upper housing of an automotive headlight motor, which optimizes the spatial layout of the pins and solves the problems mentioned in the background art.

[0005] The improved pin structure for the upper housing of the automotive headlight motor provided in this application adopts the following technical solution: The improved pin structure for the upper housing of the automotive headlight motor includes a first pin, a second pin, and a third pin. The interior of the first pin includes a first vertical section, a first horizontal section, and a first transverse protrusion.

[0006] The interior of the second pin includes a second vertical section and a second horizontal section.

[0007] The interior of the third pin includes a third vertical section, a third horizontal section, and a second transverse protrusion.

[0008] By adopting the above technical solution, the first pin, the second pin, and the third pin are disassembled into vertical sections, horizontal sections, and transverse protrusions, clearly defining each functional area. This provides a benchmark for positioning accuracy control during plastic fitting, avoids the insertion offset caused by the mixed functions of traditional pins, and allows the contact area of ​​the connector to be designed independently. This facilitates subsequent optimization of contact reliability and mechanical holding force, improving the design controllability and assembly stability of the pin group from the underlying architecture.

[0009] Preferably, one side of the first horizontal segment is fixedly connected to the first transverse protrusion, and the first transverse protrusion is bent and connected to the first vertical segment at a 90° angle.

[0010] By adopting the above technical solution, the first horizontal section and the first transverse protrusion are connected by a 90° bend to construct an L-shaped radial locking structure. The 90° bend changes the extension direction of the pin from a single axial direction to a combination of transverse and axial directions, avoiding components such as the front compartment heat dissipation module and optical lens, supporting the compact layout of the headlight module, and optimizing the spatial adaptation effect. The first transverse protrusion is fitted with the groove of the plastic-coated substrate or the connector limiting boss to achieve physical limitation in the vertical insertion direction, reducing the pin displacement under automotive vibration conditions and significantly improving vibration resistance reliability.

[0011] Preferably, the second vertical segment and the second horizontal segment are connected by a 90° bend.

[0012] By adopting the above technical solution, the 90° bend of the second vertical section and the second horizontal section allows the middle second pin to form a directional extension that adapts to the front compartment space, avoiding axial interference with surrounding components and further optimizing the compact layout of the headlight module. At the same time, this bending structure and the bending of the pins on both sides form a synergistic support, allowing the three pins to be more evenly distributed in the plastic-coated substrate, reducing local stress concentration during plastic coating, enhancing the stability of the overall structure under vibration conditions, and ensuring continuous reliability of the connector insertion.

[0013] Preferably, one side of the third horizontal segment is fixedly connected to the second transverse protrusion, and the second transverse protrusion is bent and connected to the third vertical segment at a 90° angle.

[0014] By adopting the above technical solution, the third horizontal section is connected to the second lateral protrusion by a 90° bend, forming a symmetrical locking fit with the first lateral protrusion of the first pin. The 90° bend allows the extension direction of the third pin to adapt to the front compartment space, reducing interference with surrounding components and further optimizing the compact layout of the headlight module. The second lateral protrusion is fitted with the groove of the plastic-coated substrate or the connector limiting structure to achieve physical positioning perpendicular to the insertion direction. This works in conjunction with the locking function of the first pin to enhance the stability of the overall structure under vibration conditions and prevent pin displacement.

[0015] Preferably, the width values ​​of the first horizontal segment, the second horizontal segment, and the third horizontal segment are consistent.

[0016] By adopting the above technical solution, the widths of the first, second, and third horizontal segments are kept consistent, which ensures uniform force on the contact area with the connector and avoids local contact that is too tight or too loose due to width differences, thus ensuring a stable electrical connection during insertion. At the same time, the uniform width facilitates the standardized design of processing molds, reduces dimensional errors in the production process, improves the consistency of the fit between the pin and the connector, and reduces assembly problems caused by size mismatch.

[0017] Preferably, the second pin is located between the first pin and the third pin, and the first pin and the third pin are symmetrically distributed.

[0018] By adopting the above technical solution, the second pin is located between the first pin and the third pin and is symmetrically distributed, which makes the layout of the pin group in the motor housing more balanced, reduces the deformation of the substrate caused by uneven force during plastic molding, and ensures the integrity of the sealing structure. The symmetrical layout can also provide an intuitive positioning reference for assembly, making it easy to quickly identify the installation direction, reduce assembly errors, and avoid spatial interference with the front compartment components caused by layout offset.

[0019] Preferably, the first pin, the second pin, and the third pin are all phosphor bronze pins.

[0020] By adopting the above technical solution, the first pin, the second pin, and the third pin are made of phosphor bronze. Its excellent mechanical properties can ensure the shape stability of the 90° bending structure and the lateral protrusion, avoid plastic deformation during long-term use, and ensure the reliability of the positioning and locking functions. At the same time, phosphor bronze has excellent conductivity, which can reduce the loss in the process of electrical signal transmission, ensure the stability of the electrical connection of the automotive headlight motor, and meet the high requirements of signal transmission for the improvement of automotive electronics.

[0021] Preferably, the first pin, the second pin, and the third pin are all provided with an anti-corrosion layer on their exterior.

[0022] By adopting the above technical solution, the anti-corrosion layer set on the outside of the first pin, the second pin, and the third pin can isolate the pin body from external moisture, dust, and corrosive substances, protect the structural integrity of the 90° bend and the lateral protrusion, and avoid positioning failure or electrical performance degradation caused by corrosion. At the same time, the anti-corrosion layer can reduce wear when the pin is plugged into and unplugged from the connector, extend its service life, improve the overall structural durability, and adapt to the complex use environment of automobiles.

[0023] In summary, this application includes at least one of the following beneficial technical effects: The improved pin structure of this automotive headlight motor upper housing utilizes a 90° bend design between the first horizontal protrusion and the first vertical section, the second vertical section and the second horizontal section, and the second horizontal protrusion and the third vertical section. This alters the traditional extension direction of the vertical pin, effectively avoiding interference with front compartment components and optimizing the spatial layout to meet compact requirements. The horizontal protrusions of the first and second horizontal protrusions engage with the plastic-coated substrate or connector for reliable positioning and locking. The symmetrical distribution of the second pin between the first and third pins enhances overall vibration resistance and reduces displacement. The uniform width of the first, second, and third horizontal sections ensures even contact with the connector. The use of phosphor bronze for the first, second, and third pins ensures structural and electrical stability, while the external anti-corrosion layer enhances corrosion resistance and wear resistance. This comprehensively solves problems such as interference, poor positioning, and insufficient durability inherent in traditional structures. Attached Figure Description

[0024] Figure 1 This is a side view structural diagram of this application; Figure 2 This is a schematic diagram of the structure viewed from below in this application; Figure 3 This is a schematic diagram of the first cross-sectional structure of this application; Figure 4 This is a schematic diagram of the second sectional view of the present application; Figure 5 This is a schematic diagram of the third sectional view of the structure of this application.

[0025] In the picture: 1. First pin; 101. First vertical section; 102. First horizontal section; 103. First transverse protrusion; 2. Second pin; 201. Second vertical section; 202. Second horizontal section; 3. Third pin; 301. Third vertical section; 302. Third horizontal section; 303. Second transverse protrusion; 4. Anti-corrosion layer. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail below.

[0027] Example 1: Improved structure of the pin on the upper housing of an automotive headlight motor, referring to... Figure 1 and Figure 2The device includes a first pin 1, a second pin 2, and a third pin 3. The first pin 1 includes a first vertical section 101, a first horizontal section 102, and a first transverse protrusion 103. One side of the first horizontal section 102 is fixedly connected to the first transverse protrusion 103. The first transverse protrusion 103 is bent at 90° to the first vertical section 101. The first horizontal section 102 is bent at 90° to the first transverse protrusion 103, forming an L-shaped radial locking structure. The 90° bend changes the pin extension direction from a single axial direction to a combination of transverse and axial directions, avoiding components such as the front compartment heat dissipation module and optical lens, supporting a compact layout of the headlight module, and optimizing the space adaptation effect. The first transverse protrusion 103 fits into the groove of the plastic-coated substrate or the connector limiting boss, realizing physical limiting in the vertical insertion direction, reducing the pin displacement under vehicle vibration conditions, and significantly improving vibration resistance reliability.

[0028] Reference Figure 1 and Figure 2 The second pin 2 internally includes a second vertical section 201 and a second horizontal section 202. The second vertical section 201 and the second horizontal section 202 are connected by a 90° bend. This 90° bend allows the middle second pin 2 to form a directional extension adapted to the front compartment space, avoiding axial interference with surrounding components and further optimizing the compact layout of the headlight module. At the same time, this bend structure, together with the bends of the pins on both sides, provides synergistic support, allowing the three pins to be more evenly distributed in the plastic-coated substrate, reducing local stress concentration during plastic coating, enhancing the stability of the overall structure under vibration conditions, and ensuring continuous reliability of the connector insertion. The third pin 3 internally includes a third vertical section 301 and a third horizontal section 302. The second lateral protrusion 303 and the third horizontal segment 302 are fixedly connected on one side to the second lateral protrusion 303. The second lateral protrusion 303 is connected to the third vertical segment 301 at a 90° bend. The third horizontal segment 302 is connected to the second lateral protrusion 303 at a 90° bend. It forms a symmetrical locking fit with the first lateral protrusion 103 of the first pin 1. The 90° bend makes the extension direction of the third pin 3 adapt to the front compartment space, reducing interference with surrounding components and further optimizing the compact layout of the headlight module. The second lateral protrusion 303 is fitted into the groove of the plastic-coated substrate or the connector limiting structure to achieve physical positioning perpendicular to the insertion direction. It works in conjunction with the locking function of the first pin 1 to enhance the stability of the overall structure under vibration conditions and prevent the pin from shifting.

[0029] Example 2: Improved structure of the pin on the upper housing of the automotive headlight motor, referring to... Figure 1 and Figure 2Based on the same concept as Embodiment 1 above, this embodiment proposes that the widths of the first horizontal segment 102, the second horizontal segment 202, and the third horizontal segment 302 be kept consistent. Maintaining consistent widths ensures uniform force distribution in the contact area with the connector, preventing excessively tight or loose contact due to width differences, and guaranteeing a stable electrical connection during insertion. Simultaneously, the uniform width facilitates standardized design of processing molds, reduces dimensional errors during production, improves the consistency of the pin-to-connector fit, and reduces the risk of size mismatches. To address assembly issues caused by misalignment, the second pin 2 is located between the first pin 1 and the third pin 3. The first pin 1 and the third pin 3 are symmetrically distributed, and the second pin 2 is located between the first pin 1 and the third pin 3 and is also symmetrically distributed. This allows for a more balanced layout of the pin group within the motor housing, reducing substrate deformation caused by uneven stress during plastic molding and ensuring the integrity of the sealing structure. The symmetrical layout also provides an intuitive positioning reference for assembly, facilitating quick identification of the installation direction, reducing assembly errors, and avoiding spatial interference with front compartment components caused by layout offset.

[0030] Reference Figure 3 , Figure 4 and Figure 5 Pin 1, Pin 2, and Pin 3 are all phosphor bronze pins. The excellent mechanical properties of phosphor bronze ensure the shape stability of the 90° bending structure and lateral protrusions, preventing plastic deformation during long-term use and ensuring the reliability of positioning and locking functions. Simultaneously, phosphor bronze's excellent conductivity reduces losses during electrical signal transmission, ensuring the stability of the electrical connection of the automotive headlight motor and meeting the high requirements for signal transmission brought about by the increasing electronic sophistication of automobiles. The first pin 1, the second pin 2, and the third pin 3 are all provided with an anti-corrosion layer 4. The anti-corrosion layer 4 provided on the outside of the first pin 1, the second pin 2, and the third pin 3 can isolate the pin body from external moisture, dust, and corrosive substances, protect the structural integrity of the 90° bend and the lateral protrusion, and avoid positioning failure or electrical performance degradation caused by corrosion. At the same time, the anti-corrosion layer 4 can reduce the wear of the pins when they are plugged and unplugged from the connector, extend the service life, improve the overall structural durability, and adapt to the complex use environment of automobiles.

[0031] The implementation principle of this application embodiment is as follows: During the assembly stage, the first vertical segment 101 of the first pin 1, the second vertical segment 201 of the second pin 2, and the third vertical segment 301 of the third pin 3 are embedded in the plastic-coated substrate of the motor housing as vertical segments. With the help of the plastic coating process, they are tightly combined with the substrate, providing stable support for the overall structure. At the same time, the 90° bending design of the first vertical segment 101 and the first horizontal protrusion 103, the second vertical segment 201 and the second horizontal segment 202, and the third vertical segment 301 and the second horizontal protrusion 303 makes the first horizontal segment 102, the second horizontal segment 202, and the third horizontal segment 302 extend laterally as horizontal segments, avoiding the heat dissipation module, lens and other components in the front compartment of the car, solving the spatial interference problem of traditional vertical pins, and adapting to the compact layout of the headlight module. When mated with the connector, the uniform width of the first horizontal segment 102, the second horizontal segment 202, and the third horizontal segment 302 ensures uniform contact with the connector contacts, guaranteeing stable transmission of electrical signals or current. The first lateral protrusion 103 of the first pin 1 and the second lateral protrusion 303 of the third pin 3, as lateral protrusions, will fit into the corresponding groove of the connector or the limiting structure of the plastic-coated substrate. Together with the symmetrical distribution of the second pin 2 between the first pin 1 and the third pin 3, they form bidirectional positioning, effectively preventing the pins from shifting radially or axially when the vehicle vibrates, thus enhancing the mechanical stability of the mating. Furthermore, the phosphor bronze material used in the first pin 1, the second pin 2, and the third pin 3 maintains a 90° bend and lateral protrusion structure due to its excellent mechanical properties, avoiding plastic deformation during long-term use. At the same time, its good conductivity reduces signal transmission loss. The external anti-corrosion layer 4 protects the integrity of the pin body and the bend and protrusion parts by isolating moisture, dust and corrosive substances, reducing the impact of insertion and removal wear and environmental erosion on performance, and ultimately achieving long-term reliable operation of the automotive headlight motor under complex working conditions.

Claims

1. An improved pin structure for the upper housing of an automotive headlight motor, comprising a first pin (1), a second pin (2), and a third pin (3), characterized in that: The interior of the first pin (1) includes a first vertical section (101), a first horizontal section (102), and a first transverse protrusion (103). The interior of the second pin (2) includes a second vertical segment (201) and a second horizontal segment (202); The interior of the third pin (3) includes a third vertical section (301), a third horizontal section (302), and a second transverse protrusion (303).

2. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: One side of the first horizontal segment (102) is fixedly connected to the first transverse protrusion (103), and the first transverse protrusion (103) is bent and connected to the first vertical segment (101) at a 90° angle.

3. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: The second vertical segment (201) and the second horizontal segment (202) are connected by a 90° bend.

4. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: One side of the third horizontal segment (302) is fixedly connected to the second transverse protrusion (303), and the second transverse protrusion (303) is connected to the third vertical segment (301) by a 90° bend.

5. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: The width values ​​of the first horizontal segment (102), the second horizontal segment (202), and the third horizontal segment (302) are consistent.

6. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: The second pin (2) is located between the first pin (1) and the third pin (3), and the first pin (1) and the third pin (3) are symmetrically distributed.

7. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: The first pin (1), the second pin (2) and the third pin (3) are all phosphor bronze pins.

8. The improved pin structure for the upper housing of the automotive headlight motor according to claim 1, characterized in that: The first pin (1), the second pin (2) and the third pin (3) are all provided with an anti-corrosion layer (4).

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