Rearview mirror adjusting device and mounting method thereof

Abstract

The invention belongs to the technical field of rearview mirror adjustment, and particularly relates to a rearview mirror adjusting device and a mounting method thereof. The rearview mirror adjusting device comprises a rearview mirror seat, a connecting unit is arranged on the rearview mirror seat, the connecting unit is connected with a rearview mirror body, and an adjusting structure is arranged between the connecting unit and the rearview mirror body. One end of the limiting boss extends out of the first connecting hole by about 3 mm, the limiting boss protrudes to prevent rainwater accumulation and freezing in winter, during use, the limiting block is located in the limiting groove, when the rearview mirror body is adjusted to rotate, the limiting block rotates in the limiting groove, and the two ends of the limiting groove correspond to the maximum rotation angle of the rearview mirror body, so that the rearview mirror body is adjusted to rotate. Peripheral parts are protected from being damaged by excessive rotation; the invention further provides an installation method for the rearview mirror adjusting device, and users can understand and use the rearview mirror adjusting device conveniently.

Description

Technical Field

[0001] The invention belongs to the technical field of rearview mirror adjustment, and in particular, relates to a rearview mirror adjustment device and an installation method thereof. Background Art

[0002] In the process of continuous development of the automobile industry, as an important component to ensure driving safety, the rationality and functionality of the design of the exterior rearview mirror have received increasing attention. The traditional exterior rearview mirror has a complex structure and is usually composed of multiple scattered components. The scattered component structure will take up more space, which is not conducive to the optimization of the overall spatial layout of the car. At the same time, the weight of multiple components will also increase the overall weight of the car, which is a disadvantage for modern car design that pursues lightweight. In addition, due to the large number of components, not only the production and assembly process is complicated, the production cycle is extended, the labor cost is increased, and the difficulty of later maintenance and troubleshooting is increased. At present, the simple folding devices for exterior rearview mirrors on the market also have many shortcomings. These devices have complex structures, high costs, and no diversified folding angles, making it difficult to meet the diverse needs of different users in scenarios such as parking and meeting in narrow spaces. In addition, due to design defects, existing folding devices are prone to water accumulation and ice formation, and accumulation of mud and sand in severe weather conditions such as rain, snow, and dust. Not only are they difficult to clean, but long-term water erosion can also cause components to rust and damage, shortening the service life of the rearview mirror. These devices have complex structures, high costs, and no diversified folding angles, making it difficult to meet the diverse needs of different users in scenarios such as parking and meeting other vehicles in narrow spaces. Summary of the invention

[0003] The present invention is made to solve the above-mentioned problems, and its purpose is to provide a rearview mirror adjustment device and an installation method thereof with a simple structure and capable of performing various angle adjustments. In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a rearview mirror adjustment device, comprising a rearview mirror seat, a connecting unit is arranged on the rearview mirror seat, the connecting unit is connected to the rearview mirror body, and an adjustment structure is arranged between the connecting unit and the rearview mirror body.

[0004] The connecting unit includes a first connecting shaft, a first connecting hole is opened on the rearview mirror seat, a second connecting hole is opened on the rearview mirror body, one end of the first connecting shaft passes through the first connecting hole and the second connecting hole, a limiting boss is sleeved on the first connecting shaft, a third limiting ring is arranged in the second connecting hole, and the third limiting ring cooperates with the limiting boss.

[0005] The adjustment structure includes teeth and tooth grooves. A first hollow column is arranged on the limiting boss. The teeth are arranged on the first hollow column. The tooth grooves are arranged on the third limiting ring. The teeth cooperate with the tooth grooves.

[0006] A buffer assembly is provided on the first connecting shaft, and the buffer assembly includes a spring, a first gasket and a first limiting ring. The first gasket, the spring and the first limiting ring are sequentially sleeved on the first connecting shaft. A pin hole is provided on the first connecting shaft, and a positioning pin is provided in the pin hole. The first limiting ring is located between the positioning pin and the first connecting shaft.

[0007] A retaining ring and a second retaining ring are arranged between the first retaining ring and the spring. The retaining ring and the second retaining ring are sleeved on the first connecting shaft. The second retaining ring is against the spring. A baffle is arranged on the retaining ring. The baffle is located between the second retaining ring and the first connecting shaft.

[0008] A support plate and a steering gear are provided in the rearview mirror body, a connecting column is provided in the rearview mirror body, reinforcing ribs are provided between the connecting column and the rearview mirror body, the steering gear is connected to the connecting column, the support plate is abutted against the steering gear, and the steering gear is connected to a lens and a lens support plate.

[0009] The third limiting ring is provided with a limiting groove, the rearview mirror body is provided with a limiting block, and the limiting block is located in the limiting groove.

[0010] The limiting boss is an integrally formed structure of PA6+GF50, the first gasket is an integrally formed structure of POM, and the first connecting shaft is an integrally formed structure of ADC12.

[0011] A method for installing a rearview mirror adjustment device according to any one of claims 1 to 9, characterized in that it comprises the following steps:

[0012] Step 101, passing one end of the first connecting shaft through the connecting hole, sleeved with the limiting boss and making the teeth match with the tooth groove;

[0013] Step 102, sequentially sleeve a first gasket, a spring, a second limiting ring, a retaining ring and a first limiting ring on the first connecting shaft, insert a positioning pin into the pin hole, and make the positioning pin abut against the first limiting ring;

[0014] Step 103, the lens and the lens support plate are connected to the lens body through a steering gear.

[0015] The technical effect of the present invention is: the limiting boss is sleeved on the first connecting shaft, one end of the first connecting shaft passes through the first connecting hole and the second connecting hole, one end of the limiting boss is located at one end of the first connecting hole and is against the rearview mirror seat, the other end of the limiting boss extends out of the first connecting hole by about 3mm, and the third limiting ring is arranged in the second connecting hole. The limiting boss and the third limiting ring are tightly fitted together to fix the rearview mirror body.

[0016] The first gasket, spring, second limiting ring, retaining ring and first limiting ring are sequentially sleeved on the first connecting shaft, the positioning pin is inserted into the pin hole and fixed by the plug pin, the first limiting ring is fixed by the positioning pin, the spring is located between the first gasket and the first limiting ring, when the rearview mirror body rotates or is impacted by external force, the spring can play a role of buffering and shock absorption, absorb part of the energy, reduce the impact of vibration on the rearview mirror body, and protect the structure and lens of the rearview mirror body. The first gasket plays a role of isolation and protection, preventing the spring from directly contacting the rearview mirror body to cause wear, and at the same time, the gap between the components can be adjusted during the installation process. The first limiting ring is sleeved on the first connecting shaft to limit the axial movement of the spring and ensure the stability and normal operation of the buffer assembly. The baffle is arranged on the retaining ring in a circumferentially symmetrical manner, and the baffle plays a role of isolation and limiting, preventing the second limiting ring from directly contacting the first connecting shaft to cause wear, and further fixing the structure of the buffer assembly. The second limiting ring is against the spring, plays the role of limiting spring, and ensures the stability of the spring during the working process.

[0017] When in use, the limit block is located in the limit slot. When adjusting the rotation of the rearview mirror body, the limit block rotates in the limit slot. The two ends of the limit slot correspond to the maximum rotation angle of the rearview mirror body, protecting the surrounding parts from damage due to excessive rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] This specification includes the following drawings, which show the following contents:

[0019] Figure 1 It is a schematic diagram of the overall structure of a rearview mirror adjustment device of the present invention;

[0020] Figure 2 It is an exploded view of a buffer assembly of a rearview mirror adjustment device of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of a rearview mirror body of a rearview mirror adjustment device of the present invention;

[0022] Figure 4 It is a structural schematic diagram of a rearview mirror seat of a rearview mirror adjustment device of the present invention;

[0023] Figure 5 It is a schematic structural diagram of a third limiting ring of a rearview mirror adjustment device of the present invention.

[0024] Markings in the figure are: 1. rearview mirror seat; 2. connecting unit; 201. first connecting axis; 202. first connecting hole; 203. limiting boss; 204. third limiting ring; 205. second connecting hole; 3. rearview mirror body; 301. support plate; 302. connecting column; 303. reinforcing rib; 4. adjustment structure; 401. teeth; 402. tooth groove; 403. first hollow column; 5. buffer assembly; 501. spring; 502. first gasket; 503. first limiting ring; 504. positioning pin; 505. retaining ring; 506. second limiting ring; 507. baffle; 6. limiting groove; 7. limiting block. DETAILED DESCRIPTION

[0025] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0026] like Figures 1 to 5 As shown, a rearview mirror adjustment device includes a rearview mirror seat 1, a connecting unit 2 is arranged on the rearview mirror seat 1, the connecting unit 2 is connected to the rearview mirror body 3, and an adjustment structure 4 is arranged between the connecting unit 2 and the rearview mirror body 3. The rearview mirror seat 1 is the basic installation component of the entire adjustment device, which is used to install the rearview mirror body 3 on the vehicle, and the rearview mirror seat 1 plays a role of fixing and supporting. The connecting unit 2 is used to connect the rearview mirror body 3 and the rearview mirror seat 1 together, and the adjustment structure 4 plays a limiting role after adjusting the rearview mirror body 3. The rearview mirror body 3 and the rearview mirror seat 1 are both integrally formed structures. The integral structural design reduces the number of parts and simplifies the structure of the exterior rearview mirror. This not only reduces the mold cost and assembly cost in the production process, but also reduces the quality problems that may occur due to the large number of parts. Compared with the traditional structure, the number of parts can be reduced by about 30%-40%, and accordingly, the production cost can be reduced by 20%-30%. At the same time, the integrally formed structure does not have the assembly gap and loose connection problems between the parts, which improves the reliability and stability of the exterior rearview mirror body 3. During the driving process of the car, the exterior rearview mirror can better resist vibration and external force interference, ensuring a good field of vision.

[0027] The integrated exterior rearview mirror body 3 only needs to connect the rearview mirror seat 1 to the car body, and the installation process is simple and quick. In terms of maintenance, if there is a problem with the exterior rearview mirror body 3, it only needs to be replaced as a whole or the rearview mirror seat 1 is simply repaired, without the need to check and repair multiple scattered components like the traditional structure, which greatly shortens the maintenance time and reduces the difficulty of maintenance.

[0028] The connecting unit 2 includes a first connecting shaft 201, a first connecting hole 202 is opened on the rearview mirror seat 1, a second connecting hole 205 is opened on the rearview mirror body 3, one end of the first connecting shaft 201 passes through the first connecting hole 202 and the second connecting hole 205, a limiting boss 203 is sleeved on the first connecting shaft 201, a third limiting ring 204 is arranged in the second connecting hole 205, and the third limiting ring 204 is connected to the limiting boss 203. The first connecting hole 202 is aligned with the second connecting hole 205, and the limiting boss 203 is sleeved on the first connecting shaft 201. One end of the first connecting shaft 201 passes through the first connecting hole 202 and the second connecting hole 205. One end of the limiting boss 203 is located at one end of the first connecting hole 202 and abuts against the rearview mirror seat 1. The other end of the limiting boss 203 extends out of the first connecting hole 202 by about 3 mm. The protrusion of the limiting boss 203 can prevent rainwater accumulation and ice formation in winter. The third limiting ring 204 is arranged in the second connecting hole 205. The limiting boss 203 and the third limiting ring 204 are tightly fitted to fix the rearview mirror body 3.

[0029] The adjustment structure 4 includes a tooth 401 and a tooth groove 402. A first hollow column 403 is provided on the limiting boss 203. The tooth 401 is provided on the first hollow column 403. The tooth groove 402 is provided on the third limiting ring 204. The tooth 401 cooperates with the tooth groove 402. The tooth 401 and the tooth groove 402 are arranged in a triangular structure. The tooth 401 is arranged on the first hollow column 403 and cooperates with the tooth groove 402 on the third limiting ring 204. When the rearview mirror body 3 rotates, the tooth 401 moves in the tooth groove 402 to achieve positioning and limiting of the rotation angle, so that the rearview mirror body 3 can be stably fixed at a specific angle. The tooth groove 402 cooperates with the tooth 401 to play the role of angle positioning and limiting rotation. The first hollow column 403 is used to set the tooth 401, provide a setting position for the tooth 401, and ensure the position accuracy and stability of the tooth 401. The first hollow column 403 can provide a certain height to achieve the matching between the tooth groove 402 and the gear 401 .

[0030] A buffer assembly 5 is provided on the first connecting shaft 201, and the buffer assembly 5 includes a spring 501, a first gasket 502 and a first limiting ring 503. The first gasket 502, the spring 501 and the first limiting ring 503 are sequentially sleeved on the first connecting shaft 201. A pin hole is provided on the first connecting shaft 201, and a positioning pin 504 is provided in the pin hole. The first limiting ring 503 is located between the positioning pin 504 and the first connecting shaft 201. The first gasket 502 is formed by connecting a small circular ring structure and a large circular ring structure. The small circular ring structure is embedded in the second connecting hole 205, and the large circular ring structure is against the rearview mirror body 3. The positioning pin 504 is inserted into the pin hole and fixed by a latch. The first limiting ring 503 is fixed by the positioning pin 504. The spring 501 is located between the first gasket 502 and the first limiting ring 503. When the rearview mirror body 3 rotates or is impacted by external force, the spring 501 can play a role in buffering and shock absorption, absorb part of the energy, reduce the impact of vibration on the rearview mirror body 3, and protect the structure and lens of the rearview mirror body 3. The first gasket 502 plays a role of isolation and protection, preventing the spring 501 from directly contacting the rearview mirror body 3 to cause wear, and at the same time, the gap between the components can be adjusted during the installation process. The first limiting ring 503 is sleeved on the first connecting shaft 201 to limit the axial movement of the spring 501 and ensure the stability and normal operation of the buffer assembly 5.

[0031] A retaining ring 505 and a second retaining ring 506 are arranged between the first limiting ring 503 and the spring 501. The retaining ring 505 and the second limiting ring 506 are sleeved on the first connecting shaft 201. The second limiting ring 506 abuts against the spring 501. A baffle 507 is arranged on the retaining ring 505. The baffle 507 is located between the second limiting ring 506 and the first connecting shaft 201. The retaining ring 505 is sleeved on the first connecting shaft 201. A baffle 507 is arranged on the retaining ring 505. The baffle 507 is arranged symmetrically on the retaining ring 505. The baffle 507 is located between the second limiting ring 506 and the first connecting shaft 201, and plays the role of isolation and limiting, preventing the second limiting ring 506 from directly contacting the first connecting shaft 201 and causing wear, and further fixing the structure of the buffer assembly. The second limiting ring 506 abuts against the spring 501, plays the role of limiting the spring 501, and ensures the stability of the spring 501 during the working process.

[0032] A support plate 301 and a steering gear are provided in the rearview mirror body 3, a connecting column 302 is provided in the rearview mirror body 3, a reinforcing rib 303 is provided between the connecting column 302 and the rearview mirror body 3, the steering gear is connected to the connecting column 302, the supporting plate 301 and the steering gear are against each other, and the steering gear is connected to the lens and the lens support plate. The steering gear connects the lens and the lens support plate, and is the core component for realizing the rotation adjustment of the lens. The rotation of the steering gear drives the lens and the lens support plate to adjust the angle to meet different observation requirements. The connecting column 302 is provided on the rearview mirror body 3, and the connecting column 302 is used to be connected with the steering gear bolts to fix the steering gear and provide installation support for the steering gear. At the same time, the connecting column 302 cooperates with the reinforcing rib 303 to enhance the connection strength and structural strength between the connecting column 302 and the rearview mirror body 3.

[0033] The third limiting ring 204 is provided with a limiting groove 6, and the rearview mirror body 3 is provided with a limiting block 7, and the limiting block 7 is located in the limiting groove 6. The limiting groove 6 is provided on the third limiting ring 204, and the limiting groove 6 is an arc groove. The limiting block 7 is provided on the rearview mirror body 3, and the limiting block 7 is located in the limiting groove 6. When adjusting the rotation of the rearview mirror body 3, the limiting block 7 rotates in the limiting groove 6, and the two ends of the limiting groove 6 correspond to the maximum rotation angle of the rearview mirror body 3, protecting the peripheral parts from damage due to excessive rotation. When the rearview mirror body 3 rotates to the maximum rotation angle, the limiting block 7 abuts against one end of the limiting groove 6, thereby preventing the rearview mirror body 3 from continuing to rotate, and the rearview mirror body 3 can only rotate in the opposite direction. The use of the limiting block 7 and the limiting groove 6 can control the folding angle of the mirror body, and after folding, it can fit the vehicle body closely to maximize the angle, and can also perform diversified angle adjustment. It effectively reduces the occupied space and facilitates the parking of the vehicle in a narrow space. It meets the vehicle model and design requirements and is more flexible to operate.

[0034] The limiting boss 203 is an integrated structure of PA6+GF50, the first gasket 502 is an integrated structure of POM, and the first connecting shaft 201 is an integrated structure of ADC12. The limiting boss 203 is an integrated structure of PA6+GF50. PA6 (polyamide 6) itself has good mechanical strength and wear resistance. After adding 50% of glass fiber (GF50), the strength and rigidity of the material are significantly improved. This enables the limiting boss 203 to withstand various forces generated during the adjustment of the rearview mirror, ensure the stability and reliability of the limiting boss 203, and is not prone to deformation or damage. At the same time, PA6+GF50 has good chemical corrosion resistance and can resist various chemical substances that may be exposed to the car during use, such as rainwater, detergents, etc., to extend the service life of the limiting boss 203.

[0035] The first gasket 502 adopts a POM one-piece molding structure. Polyoxymethylene (POM) has excellent wear resistance and can reduce wear and increase the service life of components during relative movement with the first connecting shaft 201. This is very important for ensuring the smooth operation of the rearview mirror body 3 adjustment, and can prevent problems such as increased gap or poor adjustment due to wear. POM has good self-lubrication and can reduce the friction coefficient, making the first connecting shaft 201 smoother when rotating or moving, reducing energy loss, and also helping to reduce noise generation. POM has high strength, rigidity and hardness, and can maintain a stable shape and performance under a certain pressure, ensuring that the first gasket 502 plays a good supporting and buffering role in the adjustment of the rearview mirror body 3.

[0036] The first connecting shaft 201 is an ADC12 one-piece structure. ADC12 is a commonly used die-cast aluminum alloy with good fluidity and filling properties, and is suitable for forming parts with complex shapes. This allows the first connecting shaft 201 to be formed in one go through a die-casting process to produce a high-precision, complex-shaped connecting shaft that meets the connection and matching requirements with components such as the rearview mirror seat 1 and the rearview mirror body 3. Aluminum alloy materials have the characteristics of low density and light weight, which can effectively reduce the overall weight of the rearview mirror body 3 adjustment, which is conducive to the lightweight design of the car. At the same time, ADC12 aluminum alloy also has high strength and hardness, can withstand various external forces of the rearview mirror body 3 during use, and ensure the reliability and stability of the connection. A dense oxide film can be formed on the surface of the ADC12 aluminum alloy, which has good corrosion resistance, can resist the erosion of the external environment, extend the service life of the first connecting shaft, and ensure that the adjustment of the rearview mirror can work normally in various harsh environments.

[0037] The angle between adjacent teeth 401 on the first hollow column 403 is set to 30 degrees, and the angle between adjacent tooth grooves 402 on the third limiting ring 204 is set to 30 degrees. Providing a tooth 401 and a tooth groove 402 every 30 degrees can achieve more precise angle adjustment. When adjusting the rearview mirror, the user can adjust the angle in units of 30 degrees according to actual needs, meeting the precise requirements for the rearview mirror viewing angle in different driving scenarios.

[0038] A method for installing a rearview mirror adjustment device comprises the following steps:

[0039] Step 101, sleeve the limiting boss 203 on the first connecting shaft 201, one end of the first connecting shaft 201 passes through the first connecting hole 202 and the second connecting hole 205, one end of the limiting boss 203 is located at one end of the first connecting hole 202 and abuts against the rearview mirror seat 1, and the other end of the limiting boss 203 extends out of the first connecting hole 202 by about 3 mm, so that the gear 401 on the first hollow column 403 cooperates with the tooth groove 402 on the third limiting ring 204;

[0040] Step 102, then sleeve the first gasket 502, the spring 501, the second limiting ring 506, the retaining ring 505 and the first limiting ring 503 on the first connecting shaft 201 in sequence, insert the positioning pin 504 into the pin hole and fix it by the latch, and fix the first limiting ring 503 between the positioning pin 504 and the first connecting shaft 201 by the positioning pin 504;

[0041] Step 103, the lens and the lens support plate are connected to the mirror body through a steering gear. The lens is located in the rearview mirror body 3, and the angle of the lens is adjusted by the steering gear.

[0042] Functions and Effects of the Embodiments

[0043] The limiting boss 203 is sleeved on the first connecting shaft 201, and one end of the first connecting shaft 201 passes through the first connecting hole 202 and the second connecting hole 205. One end of the limiting boss 203 is located at one end of the first connecting hole 202 and is against the rearview mirror seat 1. The other end of the limiting boss 203 extends out of the first connecting hole 202 by about 3 mm. The third limiting ring 204 is arranged in the second connecting hole 205. The limiting boss 203 and the third limiting ring 204 are tightly fitted to each other, so that the rearview mirror body 3 can be fixed.

[0044] The first gasket 502, the spring 501, the second limiting ring 506, the retaining ring 505 and the first limiting ring 503 are sequentially sleeved on the first connecting shaft 201, the positioning pin 504 is inserted into the pin hole and fixed by the plug, and the first limiting ring 503 is fixed by the positioning pin 504. The spring 501 is located between the first gasket 502 and the first limiting ring 503. When the rearview mirror body 3 rotates or is impacted by external force, the spring 501 can play a role in buffering and shock absorption, absorb part of the energy, reduce the impact of vibration on the rearview mirror body 3, and protect the structure and lens of the rearview mirror body 3. The first gasket 502 plays a role of isolation and protection, preventing the spring 501 from directly contacting the rearview mirror body 3 to cause wear, and at the same time, the gap between the components can be adjusted during the installation process. The first limiting ring 503 is sleeved on the first connecting shaft 201 to limit the axial movement of the spring 501 and ensure the stability and normal operation of the buffer assembly 5. The baffle 507 is symmetrically arranged on the retaining ring 505, and the baffle 507 plays the role of isolation and limiting, preventing the second limiting ring 506 from directly contacting the first connecting shaft 201 and causing wear, and further fixes the structure of the buffer assembly. The second limiting ring 506 abuts against the spring 501, plays the role of limiting the spring 501, and ensures the stability of the spring 501 during operation.

[0045] When in use, the limit block 7 is located in the limit slot 6. When adjusting the rotation of the rearview mirror body 3, the limit block 7 rotates in the limit slot 6. The two ends of the limit slot 6 correspond to the maximum rotation angle of the rearview mirror body 3, protecting the surrounding parts from damage due to excessive rotation.

[0046] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A rearview mirror adjustment device, comprising a rearview mirror seat (1), characterized in that: The rearview mirror seat (1) is provided with a connection unit (2), the connection unit (2) is connected to the rearview mirror body (3), and an adjustment structure (4) is provided between the connection unit (2) and the rearview mirror body (3).

2. The rearview mirror adjustment device according to claim 1, characterized in that: The connecting unit (2) comprises a first connecting shaft (201), a first connecting hole (202) is provided on the rearview mirror seat (1), a second connecting hole (205) is provided on the rearview mirror body (3), one end of the first connecting shaft (201) passes through the first connecting hole (202) and the second connecting hole (205), a limiting boss (203) is sleeved on the first connecting shaft (201), a third limiting ring (204) is provided in the second connecting hole (205), and the third limiting ring (204) cooperates with the limiting boss (203).

3. The rearview mirror adjustment device according to claim 2, characterized in that: The adjustment structure (4) comprises a tooth (401) and a tooth groove (402); a first hollow column (403) is arranged on the limiting boss (203); the tooth (401) is arranged on the first hollow column (403); the tooth groove (402) is arranged on the third limiting ring (204); and the tooth (401) cooperates with the tooth groove (402).

4. The rearview mirror adjustment device according to claim 2, characterized in that: A buffer assembly (5) is arranged on the first connecting shaft (201), and the buffer assembly (5) comprises a spring (501), a first gasket (502) and a first limiting ring (503); the first gasket (502), the spring (501) and the first limiting ring (503) are sequentially sleeved on the first connecting shaft (201); a pin hole is arranged on the first connecting shaft (201), a positioning pin (504) is arranged in the pin hole, and the first limiting ring (503) is located between the positioning pin (504) and the first connecting shaft (201).

5. The rearview mirror adjustment device according to claim 4, characterized in that: A retaining ring (505) and a second retaining ring (506) are arranged between the first retaining ring (503) and the spring (501); the retaining ring (505) and the second retaining ring (506) are sleeved on the first connecting shaft (201); the second retaining ring (506) and the spring (501) are abutted against each other; a baffle (507) is arranged on the retaining ring (505); and the baffle (507) is located between the second retaining ring (506) and the first connecting shaft (201).

6. The rearview mirror adjustment device according to claim 1, characterized in that: A support plate (301) and a steering gear are arranged in the rearview mirror body (3), a connecting column (302) is arranged in the rearview mirror body (3), a reinforcing rib (303) is arranged between the connecting column (302) and the rearview mirror body (3), the steering gear is connected to the connecting column (302), the support plate (301) and the steering gear are abutted against each other, and the steering gear is connected to a lens and a lens support plate.

7. The rearview mirror adjustment device according to claim 2, characterized in that: A limiting groove (6) is provided on the third limiting ring (204), a limiting block (7) is provided on the rearview mirror body (3), and the limiting block (7) is located in the limiting groove (6).

8. The rearview mirror adjustment device according to claim 4, characterized in that: The limiting boss (203) is a PA6+GF50 integrally formed structure, the first gasket (502) is a POM integrally formed structure, and the first connecting shaft (201) is an ADC12 integrally formed structure.

9. A method for installing a rearview mirror adjustment device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 101, passing one end of the first connecting shaft (201) through the connecting hole (202), sleeved with the limiting boss (203), and making the gear (401) match with the tooth groove (402); Step 102, sequentially sleeve the first gasket (502), the spring (501), the second limiting ring (506), the retaining ring (505) and the first limiting ring (503) on the first connecting shaft (201), insert the positioning pin (504) into the pin hole, and make the positioning pin (504) abut against the first limiting ring (503); Step 103, the lens and the lens support plate are connected to the rearview mirror body (3) via a steering gear.

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