Automobile light adjusting motor anti-vibration mechanism

Abstract

The application relates to the technical field of automobile parts, in particular to an automobile light-adjusting motor anti-vibration mechanism, which comprises a supporting plate, a transmission assembly, an adjusting column assembly and a lifting assembly. The adjusting column assembly is composed of a sleeve and a ball head rod. The sleeve is provided with a clamping block, the clamping block is provided with a square clamping groove, the cylindrical sliding rheostat connector of the lifting assembly is clamped and matched with the clamping groove, the transmission assembly transmits the power of a driving motor to a gear sleeve through worm gears and gear transmission, the inner wall of the gear sleeve is threadedly matched with a column body to realize the conversion of rotary motion into linear motion of the adjusting column assembly. Compared with a traditional circular clamping groove, the square groove and the cylindrical sliding rheostat connector are matched to reserve a vibration displacement space, the sliding rheostat connector can produce a small relative displacement in a vibration environment, rigid impact can be effectively absorbed, and the risk of breakage of the sliding rheostat connector is reduced.

Description

Technical Field

[0001] This application relates to the field of automotive parts technology, and in particular to an anti-vibration mechanism for an automotive dimming motor. Background Technology

[0002] As a core component of automotive lighting systems, the stability and reliability of automotive dimming motors are directly related to driving safety. With the rapid development of the automotive industry, the performance requirements of vehicles for various core components are constantly increasing. Among them, the stable operation capability of motors in complex vibration environments has become one of the key technical indicators.

[0003] In related technologies, the rotation of a drive motor drives the worm gear, gears and other transmission components to move up and down through threaded engagement. The adjustment column is equipped with a circular locking groove, and the sliding rheostat connector engages with the locking groove. The movement of the adjustment column will synchronously drive the sliding rheostat connector to move, and finally the resistance is adjusted by changing the position of the connector.

[0004] However, automotive dimming motors have significant shortcomings in vibration resistance. When a car is in a vibrating environment for a long time, the connection between the sliding rheostat connector and the snap-fit ​​groove adopts a circular snap-fit ​​groove design. The circular snap-fit ​​groove fits the connector too tightly, and there is no buffer space under vibration conditions, which can easily cause the connector to break due to rigid compression. Utility Model Content

[0005] To address the aforementioned problems, this application provides a vibration-resistant mechanism for automotive dimming motors.

[0006] The vibration damping mechanism for an automotive dimming motor provided in this application adopts the following technical solution: A vibration-damping mechanism for an automotive dimming motor includes a support plate, a transmission assembly, a lifting assembly, and an adjusting column assembly. The transmission assembly, the lifting assembly, and the adjusting column assembly are all mounted on the support plate. The adjusting column assembly includes a sleeve and a ball joint. The sleeve is fitted onto the ball joint, and the sleeve and ball joint are interference-fitted. The lifting assembly includes a sliding rheostat connector with a cylindrical structure. The sleeve includes a column body, a column head, and a locking block. The column head is fixedly connected to one end of the column body, and the locking block is fixedly connected to the end of the column body away from the column head. The locking block has a square locking groove, and the sliding rheostat connector engages with the locking groove. The adjusting column assembly slides up and down via the transmission assembly.

[0007] By adopting the above technical solution, when the transmission component starts and drives the adjusting column component to slide up and down, the sliding rheostat connector in the lifting component will move with the movement of the adjusting column component. At this time, the sliding rheostat connector and the locking groove of the locking block on the sleeve form a locking fit. Compared with the original circular locking groove, the original circular locking groove and the sliding rheostat connector are locked too tightly. When vibration occurs due to road bumps or engine vibration, the tight fit causes the sliding rheostat connector to lack vibration displacement space, which easily leads to the breakage of the sliding rheostat connector due to rigid compression. However, the locking groove in this structure is square and the sliding rheostat connector is cylindrical. The locking fit between the sliding rheostat and the locking groove is designed to allow for vibration displacement, so that the sliding rheostat connector can generate a small relative displacement under vibration environment, reducing rigid impact and thus effectively reducing the probability of the sliding rheostat connector breaking.

[0008] Preferably, the transmission assembly includes a worm gear, a worm, a gear, a gear sleeve, and a drive motor. The drive motor is fixed to the support plate. The worm gear and the gear are coaxially fixed and rotate on the support plate. The output shaft of the drive motor is coaxially fixed to the worm. The worm meshes with the worm gear. The gear meshes with the gear sleeve. The inner wall of the gear sleeve is threaded with the cylinder body. The gear meshes with the outer wall of the gear sleeve.

[0009] By adopting the above technical solution, the drive motor is fixed on the support plate to provide stable power output. The output shaft of the drive motor is fixed coaxially with the worm to ensure that the power is initially transmitted to the worm. The meshing transmission between the worm and the worm wheel transmits the rotational power to the worm wheel. The coaxial fixing of the worm wheel and the gear ensures the synchronous transmission of the rotational power to the gear. The meshing between the gear and the outer wall of the gear sleeve transmits the rotational power to the gear sleeve. Due to the threaded fit between the inner wall of the gear sleeve and the column body, the power is efficiently transmitted from the gear to the adjusting column assembly, which ultimately drives the adjusting column assembly to complete the up and down sliding movement. One end of the column body is fixed with a snap-fit ​​block, which has a snap-fit ​​groove. The sliding rheostat connector of the lifting assembly snaps into the snap-fit ​​groove and moves synchronously with the up and down sliding movement of the adjusting column assembly. Finally, the change of resistance is achieved by the change of position of the sliding rheostat connector. Since the snap-fit ​​groove of this structure is reserved for vibration displacement, the sliding rheostat connector can produce a small relative displacement in the vibration environment, reducing rigid impact and effectively reducing the probability of the sliding rheostat connector breakage, while ensuring the stable adjustment of resistance change.

[0010] Preferably, the outer wall of the gear is provided with an elastic damping layer, the elastic damping layer is sleeved on the outer wall of the gear, and the elastic damping layer is fixedly connected to the gear.

[0011] By adopting the above technical solution, the rotation of the gear in the transmission assembly is supported by the support plate. The elastic damping layer, which is sleeved and fixed on the outer wall of the gear, can absorb the energy generated by gear meshing and drive motor vibration through the elastic deformation of the elastic damping layer when the gear and gear sleeve mesh. This reduces the rigid impact during the meshing process of the gear and gear sleeve, thereby ensuring that the gear sleeve drives the adjusting column assembly to slide up and down more smoothly through the threaded engagement with the column body. This provides a reliable transmission basis for the sliding rheostat joint to move synchronously with the square snap-fit ​​groove of the sleeve snap-fit ​​block and stably realize the resistance change. Finally, in conjunction with the structure that reserves vibration displacement in the square snap-fit ​​groove, the probability of the sliding rheostat joint breaking is further reduced.

[0012] Preferably, the lifting assembly further includes a sliding seat and a sliding block, the sliding seat is slidably disposed inside the sliding block, the sliding rheostat connector is vertically fixed to the sliding block, the surface of the sliding seat is provided with a sliding groove, and the sliding rheostat connector is slidably disposed in the sliding groove.

[0013] By adopting the above technical solution, the sliding cooperation between the sliding seat and the sliding block provides stable support for the overall movement of the sliding rheostat connector. The sliding groove further limits the movement trajectory of the sliding rheostat connector. When affected by engine vibration, this guiding structure can reduce the disorderly offset or shaking of the sliding rheostat connector caused by vibration, ensuring that the sliding rheostat connector can slide stably along the sliding groove with the movement of the adjusting column assembly. The structural cooperation of the locking groove to reserve vibration displacement reduces the probability of the sliding rheostat connector, ensuring that the sliding rheostat connector can stably achieve resistance adjustment through position changes.

[0014] Preferably, it also includes a housing assembly, the housing assembly including a bottom shell, the inner wall of the bottom shell being provided with a positioning post, the positioning post being fixed perpendicularly to the bottom shell, the support plate being provided with a positioning hole, and the positioning post being inserted into the positioning hole.

[0015] By adopting the above technical solution, the insertion of the positioning column and the positioning hole can limit the horizontal and radial displacement of the support plate in the bottom shell. When affected by road bumps or engine vibration, it reduces the loosening, displacement or shaking of the support plate. As the installation carrier of the transmission component, lifting component and adjusting column component, the stability of the support plate directly affects the working stability of each component. This structure reduces the risk of component misalignment or failure due to vibration by ensuring the installation stability of the support plate and each component. It provides a basic support for the sliding rheostat joint to move with the slot of the sleeve clamping block and stably realize the resistance change.

[0016] Preferably, the housing assembly further includes an outer shell, the outer shell having a plurality of slots circumferentially arranged, and the bottom shell having a plurality of blocks circumferentially arranged, the slots engaging with the blocks.

[0017] By adopting the above technical solution, the outer shell of the housing assembly is engaged with the circumferentially arranged slot and the circumferentially arranged block of the bottom shell. This structure enables the outer shell and the bottom shell to be firmly connected. The outer shell covers the internal support plate, transmission components, lifting components and part of the adjustment column components. When affected by road bumps or engine vibration, the engagement of the slot and the block can reduce the separation or loosening of the outer shell and the bottom shell due to vibration, ensuring that the outer shell's protective function for the internal components is stable and effective, and reducing the risk of external vibration directly impacting the internal components.

[0018] Preferably, the housing is provided with a clearance opening, and the adjusting column assembly is externally mounted on the housing through the clearance opening.

[0019] By adopting the above technical solution, the housing is provided with a clearance opening so that the adjustment column assembly is placed outside the housing. This ensures that the housing encloses the internal components and also provides space for the adjustment column assembly to move up and down. The adjustment column assembly can move up and down through the clearance opening, thereby moving the sliding rheostat connector to achieve resistance change.

[0020] Preferably, the column body is provided with a threaded end, the gear sleeve is threadedly engaged with the threaded end, the side of the column body away from the threaded end is a hollow structure, part of the ball head rod is externally placed on the sleeve, the sleeve is relatively externally placed on the surface of the ball head rod to form an outward limiting protrusion, the inner wall of the outer shell is provided with a limiting groove, the limiting groove is inserted into the limiting protrusion.

[0021] By adopting the above technical solution, the threaded end of the column body is threaded with the gear sleeve, providing a stable power transmission foundation for the transmission component to drive the adjusting column component to slide up and down. The side of the column body away from the threaded end adopts a hollow structure to reduce stress concentration under vibration environment and improve the column body's resistance to vibration deformation. When the ball head rod part is placed outside the sleeve, the limiting protrusion and the limiting groove on the inner wall of the outer shell are inserted and matched to form a radial limit on the sleeve, reducing the disorderly shaking or displacement of the adjusting column component during vibration, and ensuring that the sleeve drives the sliding rheostat joint to move stably to achieve resistance change.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. The support plate provides the installation base for the transmission assembly, lifting assembly, and adjusting column assembly. When the transmission assembly drives the adjusting column assembly to slide up and down, the cylindrical sliding rheostat connector in the lifting assembly moves with the sleeve and forms a snap-fit ​​with the snap-fit ​​groove of the sleeve snap-fit ​​block. The snap-fit ​​groove is square. Compared with the original circular snap-fit ​​groove, which is too tight and prone to rigid compression and breakage of the connector due to lack of vibration displacement space when the road is bumpy or the engine is vibrating, this structure reserves vibration displacement through the cooperation of the square snap-fit ​​groove and the cylindrical sliding rheostat connector. This allows the connector to produce a small relative displacement in the vibration environment, reducing rigid impact and thus effectively reducing the probability of breakage of the sliding rheostat connector and improving the reliability of the motor in the vibration environment. 2. When the gear sleeve meshes with the gear, the elastic damping layer can significantly reduce the rigid impact of the gear pair, allowing the adjusting column assembly to slide smoothly up and down through the threaded connection. This structure not only ensures the synchronous movement of the sliding rheostat joint and the square snap-fit ​​groove of the sleeve snap-fit ​​block, providing a reliable transmission basis for the stable adjustment of the resistance value, but also forms a dual vibration reduction protection mechanism through the structural collaboration with the square snap-fit ​​groove that reserves vibration displacement, significantly reducing the risk of the sliding rheostat joint breaking due to vibration stress concentration. 3. Power is transmitted through a worm gear transmission system. The drive motor is fixed on the support plate, and the output shaft of the drive motor is coaxially connected to the worm. After the worm meshes with the worm wheel, it drives the gear fixed coaxially with the worm to rotate. The power of the gear is transmitted through the meshing of the outer wall of the gear sleeve to the inner wall of the column body with threaded engagement, and finally drives the adjusting column assembly to slide up and down. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of an embodiment of this application.

[0024] Figure 2 This is a schematic diagram of the internal structure of an embodiment of this application.

[0025] Figure 3 Is with Figure 2 An enlarged diagram of A in the diagram.

[0026] Figure 4 This is a schematic diagram of the internal structure of an embodiment of this application.

[0027] Figure 5 This is a schematic diagram of the internal structure of an embodiment of this application.

[0028] Figure 6 This is a schematic diagram of the internal structure of an embodiment of this application.

[0029] Figure 7 yes Figure 6 Enlarged diagram of B in the diagram.

[0030] Figure 8 This application provides a schematic diagram of the structure of an embodiment.

[0031] Figure 9 This is a structural schematic diagram of the housing assembly.

[0032] Figure 10 This is a structural schematic diagram of the housing assembly.

[0033] Explanation of reference numerals in the attached drawings: 1. Support plate; 11. Positioning hole; 2. Transmission assembly; 21. Worm gear; 22. Worm; 23. Gear; 24. Gear sleeve; 25. Drive motor; 3. Lifting assembly; 31. Sliding rheostat connector; 32. Sliding seat; 321. Sliding groove; 33. Sliding block; 4. Adjusting column assembly; 41. Sleeve; 411. Column body; 4111. Threaded end; 4112. Limiting protrusion; 412. Column head; 413. Snap-fit ​​block; 4131. Snap-fit ​​groove; 42. Ball head rod; 5. Housing assembly; 51. Bottom shell; 511. Positioning column; 512. Snap-fit ​​block; 52. Outer shell; 521. Snap-fit ​​groove; 522. Clearance opening; 523. Limiting groove; 6. Elastic damping layer. Detailed Implementation

[0034] The following is in conjunction with the appendix Figure 1-10 This application will be described in further detail.

[0035] This application discloses a vibration-damping mechanism for an automotive dimming motor. (Refer to...) Figure 1 A vibration-resistant mechanism for an automotive dimming motor includes a support plate 1, a transmission assembly 2, a lifting assembly 3, an adjusting column assembly 4, and a housing assembly 5. The transmission assembly 2, the lifting assembly 3, and the adjusting column assembly 4 are all mounted on the support plate 1. The housing assembly 5 is used to accommodate and protect the other components. The components work together to achieve stable operation of the automotive dimming motor in a vibration environment and effectively reduce the problem of the sliding rheostat joint 31 breaking due to vibration.

[0036] Reference Figure 1 Specifically, the adjusting column assembly 4 includes a sleeve 41 and a ball head rod 42. The sleeve 41 is sleeved onto the ball head rod 42, and the sleeve 41 and the ball head rod 42 are interference fit. In this embodiment, the sleeve 41 includes a column body 411, a column head 412, and a snap-fit ​​block 413. The column head 412 is fixedly connected to one end of the column body 411. The column head 412 and the column body 411 are integrally formed to ensure the stability of the connection.

[0037] Reference Figure 2 and Figure 3Furthermore, the snap-fit ​​block 413 is fixedly connected to the end of the column body 411 away from the column head 412. The snap-fit ​​block 413 is provided with a snap-fit ​​groove 4131, which has a square structure. The lifting assembly 3 includes a sliding rheostat connector 31, which has a cylindrical structure. The sliding rheostat connector 31 is snap-fitted into the snap-fit ​​groove 4131. The adjusting column assembly 4 achieves up and down sliding through the transmission assembly 2. This explains that when the transmission assembly 2 starts and drives the adjusting column assembly 4 to slide up and down, the sliding rheostat connector 31 in the lifting assembly 3 will move with the movement of the adjusting column assembly 4. At this time, the sliding rheostat connector 31 and the locking groove 4131 of the locking block 413 on the sleeve 41 form a locking fit. Compared with the original circular locking groove 4131, the original circular locking groove 4131 and the sliding rheostat connector 31 are locked too tightly. When vibration occurs due to road bumps or engine vibration, the tight fit causes the sliding rheostat connector 31 to lack vibration displacement space, and the sliding rheostat connector 31 is prone to breakage due to rigid compression. In this structure, the locking groove 4131 is square and the sliding rheostat connector 31 is cylindrical. The locking fit between the sliding rheostat and the locking groove 4131 is designed to allow for vibration displacement, so that the sliding rheostat connector 31 can generate a small relative displacement under vibration environment, reducing rigid impact and thus effectively reducing the probability of the sliding rheostat connector 31 breaking.

[0038] Reference Figure 4 and Figure 5 Furthermore, the transmission assembly 2 includes a worm gear 21, a worm 22, a gear 23, a gear sleeve 24, and a drive motor 25. The drive motor 25 is fixed on the support plate 1 to ensure its stability. The worm gear 21 and the gear 23 are coaxially fixed to ensure that they can rotate synchronously. The output shaft of the drive motor 25 is coaxially fixed with the worm 22. The worm 22 meshes with the worm gear 21, the gear 23 meshes with the gear sleeve 24, the inner wall of the gear sleeve 24 is threaded with the column body 411, and the gear 23 meshes with the outer wall of the gear sleeve 24.

[0039] This explains that the drive motor 25, fixed on the support plate 1, provides stable power output. The output shaft of the drive motor 25 is coaxially fixed with the worm 22 to ensure that the power is initially transmitted to the worm 22. The meshing transmission between the worm 22 and the worm wheel 21 transmits the rotational power to the worm wheel 21. The coaxial fixing between the worm wheel 21 and the gear 23 ensures the synchronous transmission of the rotational power to the gear 23. The meshing between the gear 23 and the outer wall of the gear sleeve 24 transmits the rotational power to the gear sleeve 24. Due to the threaded fit between the inner wall of the gear sleeve 24 and the column body 411, the power is efficiently transmitted from the gear 23 to the adjusting column assembly 4, ultimately driving the adjusting column assembly 4 to complete the up and down sliding movement.

[0040] To further explain, one end of the column 411 is fixed with a snap-fit ​​block 413, which has a snap-fit ​​groove 4131. The sliding rheostat connector 31 of the lifting assembly 3 engages with the snap-fit ​​groove 4131 and moves synchronously with the up-and-down sliding of the adjusting column assembly 4. Ultimately, the resistance changes through the position change of the sliding rheostat connector 31. Since the snap-fit ​​groove 4131 of this structure is designed to accommodate vibration displacement, the sliding rheostat connector 31 can generate a small relative displacement under vibration, reducing rigid impact and effectively reducing the probability of the sliding rheostat connector 31 breaking, while ensuring the stable adjustment of resistance change.

[0041] Reference Figure 6 and Figure 7 Meanwhile, an elastic damping layer 6 is provided on the outer wall of gear 23. The elastic damping layer 6 is sleeved on the outer wall of gear 23 and fixedly connected to gear 23. In this embodiment, the material of the elastic damping layer 6 is modified polytetrafluoroethylene (PTFE), which is attached to the meshing area of ​​gear 23 tooth surface by injection molding. Modified PTFE has excellent wear resistance, aging resistance and chemical stability, and low coefficient of friction. In the meshing scenario of gear 23, modified PTFE mainly bears the periodic extrusion and absorbs vibration energy during meshing. The elastic deformation amplitude is small, and the fatigue resistance of the material itself can support long-term use, reducing the rigid impact during gear 23 meshing.

[0042] Furthermore, to ensure that the gear sleeve 24 drives the adjusting column assembly 4 to slide up and down more smoothly through the threaded engagement with the column body 411, a reliable transmission basis is provided for the sliding rheostat connector 31 to move synchronously with the square snap-fit ​​groove 4131 of the sleeve 41 snap-fit ​​block 413 and to stably realize the resistance change. Finally, in coordination with the structure reserved for vibration displacement in the square snap-fit ​​groove 4131, the probability of the sliding rheostat connector 31 breaking is further reduced.

[0043] Correspondingly, the lifting assembly 3 also includes a sliding seat 32 and a sliding block 33. The sliding rheostat connector 31 is engaged with the snap-fit ​​groove 4131 of the snap-fit ​​block 413. The sliding seat 32 is slidably disposed inside the sliding block 33. The sliding rheostat connector 31 is vertically fixed to the sliding block 33. A sliding groove 321 is provided on the surface of the sliding seat 32. The sliding rheostat connector 31 is slidably disposed in the sliding groove 321. By adjusting the column assembly 4 moving up and down, the sliding rheostat connector 31 is driven to slide in the sliding groove 321, thereby realizing the adjustment of resistance.

[0044] Reference Figure 8Furthermore, the housing assembly 5 includes a bottom shell 51 and an outer shell 52. The inner wall of the bottom shell 51 is provided with a positioning post 511, which is fixed vertically to the bottom shell 51. The bottom shell 51 and the positioning post 511 are integrally formed. The support plate 1 is provided with a positioning hole 11, and the positioning post 511 is inserted into the positioning hole 11. This positioning method ensures the accurate installation of the support plate 1 in the bottom shell 51.

[0045] Reference Figure 9 and Figure 10 Meanwhile, the outer shell 52 is provided with several slots 521 around its circumference, and the bottom shell 51 is provided with several blocks 512 around its circumference. The slots 521 and the blocks 512 engage with each other, which facilitates the assembly and disassembly of the outer shell 52 and the bottom shell 51. At the same time, the outer shell 52 covers the internal support plate 1, transmission assembly 2, lifting assembly 3 and part of the adjustment column assembly 4. When affected by road bumps or engine vibration, the engagement of the slots 521 and the blocks 512 can reduce the separation or loosening of the outer shell 52 and the bottom shell 51 due to vibration, ensuring that the outer shell 52 provides stable and effective protection for the internal components and reducing the risk of external vibration directly impacting the internal components.

[0046] In addition, the outer casing 52 is provided with a clearance opening 522. Part of the structure of the adjusting column assembly 4 is externally placed on the outer casing 52 through the clearance opening 522, which facilitates the connection and cooperation between the adjusting column assembly 4 and external components. The column body 411 is provided with a threaded end 4111. The gear sleeve 24 is threadedly engaged with the threaded end 4111, realizing the power transmission between the transmission assembly 2 and the adjusting column assembly 4.

[0047] Furthermore, the side of the column body 411 away from the threaded end 4111 has a hollow structure, and part of the structure of the ball head rod 42 is externally placed on the sleeve 41. The sleeve 41 is relatively externally placed on the surface of the ball head rod 42 to form an outward limiting protrusion 4112. In this embodiment, two limiting protrusions 4112 are provided. The inner wall of the outer shell 52 is provided with a limiting groove 523. There are also two limiting grooves 523. The limiting grooves 523 are inserted and engaged with the limiting protrusions 4112. The inner wall of the outer shell 52 is provided with a limiting groove 523. The limiting grooves 523 are inserted and engaged with the limiting protrusions 4112, which further ensures the stability of the adjusting column assembly 4 in a vibration environment.

[0048] The implementation principle of the vibration damping mechanism for an automotive dimming motor in this application embodiment is as follows: After the drive motor starts, the output shaft of the drive motor drives the worm to rotate. The worm meshes with the worm wheel, causing the worm wheel and the coaxial gear to rotate synchronously. The gear meshes with the gear sleeve, and the inner wall of the gear sleeve is threaded with the column body, thereby driving the adjusting column assembly to slide up and down. The up and down movement of the adjusting column assembly causes the sliding rheostat connector to slide in the sliding groove, thereby realizing the adjustment of resistance.

[0049] In this process, because the slot has a square structure, it provides a buffer space for the sliding rheostat connector. The elastic damping layer absorbs the vibration energy during the transmission process. The cooperation between the limiting protrusion and the limiting slot ensures the stability of the adjustment column assembly, effectively improving the vibration resistance of the automotive dimming motor. Compared with the existing technology, it greatly reduces the probability of the sliding rheostat connector breaking due to vibration, and improves the reliability and stability of the automotive dimming motor.

[0050] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A vibration-damping mechanism for an automotive dimming motor, characterized in that, The assembly includes a support plate (1), a transmission component (2), a lifting component (3), and an adjusting column component (4). The transmission component (2), the lifting component (3), and the adjusting column component (4) are all mounted on the support plate (1). The adjusting column component (4) includes a sleeve (41) and a ball joint (42). The sleeve (41) is fitted onto the ball joint (42), and the sleeve (41) and the ball joint (42) are interference-fitted. The lifting component (3) includes a sliding rheostat connector (31), which has a cylindrical structure. The sleeve (41) includes a column body (411), a column head (412), and a snap-fit ​​block (413). The column head (412) is fixedly connected to one end of the column body (411), and the snap-fit ​​block (413) is fixedly connected to the end of the column body (411) away from the column head (412). The snap-fit ​​block (413) is provided with a snap-fit ​​groove (4131), which is square in shape. The sliding rheostat connector (31) is snapped into the snap-fit ​​groove (4131). The adjusting column assembly (4) slides up and down through the transmission assembly (2).

2. The vibration-damping mechanism for an automotive dimming motor according to claim 1, characterized in that, The transmission assembly (2) includes a worm gear (21), a worm (22), a gear (23), a gear sleeve (24), and a drive motor (25). The drive motor (25) is fixed on the support plate (1). The worm gear (21) and the gear (23) are coaxially fixed. The worm gear (21) and the gear (23) rotate on the support plate (1). The output shaft of the drive motor (25) is coaxially fixed with the worm (22). The worm (22) meshes with the worm gear (21). The gear (23) meshes with the gear sleeve (24). The inner wall of the gear sleeve (24) is threaded with the column body (411). The gear (23) meshes with the outer wall of the gear sleeve (24).

3. The vibration-damping mechanism for an automotive dimming motor according to claim 2, characterized in that, The outer wall of the gear (23) is provided with an elastic damping layer (6), the elastic damping layer (6) is sleeved on the outer wall of the gear (23), and the elastic damping layer (6) is fixedly connected to the gear (23).

4. The vibration-damping mechanism for an automotive dimming motor according to claim 1, characterized in that, The lifting assembly (3) further includes a sliding seat (32) and a sliding block (33). The sliding seat (32) is slidably disposed inside the sliding block (33). The sliding rheostat connector (31) is vertically fixed to the sliding block (33). A sliding groove (321) is provided on the surface of the sliding seat (32), and the sliding rheostat connector (31) is slidably disposed in the sliding groove (321).

5. The vibration-damping mechanism for an automotive dimming motor according to claim 2, characterized in that, It also includes a housing assembly (5), which includes a bottom shell (51). The inner wall of the bottom shell (51) is provided with a positioning post (511). The positioning post (511) is vertically fixed to the bottom shell (51). The support plate (1) is provided with a positioning hole (11). The positioning post (511) is inserted into the positioning hole (11).

6. The vibration-damping mechanism for an automotive dimming motor according to claim 5, characterized in that, The housing assembly (5) further includes an outer shell (52), which has a plurality of slots (521) arranged circumferentially, and the bottom shell (51) has a plurality of blocks (512) arranged circumferentially, with the slots (521) engaging with the blocks (512).

7. The vibration-damping mechanism for an automotive dimming motor according to claim 6, characterized in that, The outer casing (52) is provided with a clearance opening (522), and part of the structure of the adjusting column assembly (4) is externally placed on the outer casing (52) through the clearance opening (522).

8. The vibration-damping mechanism for an automotive dimming motor according to claim 6, characterized in that, The column body (411) is provided with a threaded end (4111), the gear sleeve (24) is threadedly engaged with the threaded end (4111), the side of the column body (411) away from the threaded end (4111) is a hollow structure, part of the structure of the ball head rod (42) is externally placed on the sleeve (41), the sleeve (41) is relatively externally placed on the surface of the ball head rod (42) to form an outward limiting protrusion (4112), the inner wall of the outer shell (52) is provided with a limiting groove (523), the limiting groove (523) is inserted into the limiting protrusion (4112).

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