Vehicle-mounted electronic rearview mirror and processing method thereof

Abstract

The present application relates to the technical field of electronic rearview mirror, especially to a kind of vehicle electronic rearview mirror and its processing method, including side-mounted fixed part and movable stowing part;The side-mounted fixed part and movable stowing part between being provided with folding connection structure;The bottom of the side-mounted fixed part is provided with active trigger type execution element;The folding connection mechanism includes positioning structure and locking structure;The side-mounted fixed part and movable stowing part are aligned through positioning structure to find the rotational center position, and the angle of relative rotation is locked through locking structure;The execution element is used to control whether the locking of locking structure, the side-mounted fixed part includes extended lower base, and the movable stowing part includes extended upper top seat;The extended lower base and extended upper top seat are adapted, and folding connection mechanism is arranged between the two, the present application is simple to operate, reduces the hard friction force when rearview mirror is bent and stowed, prolongs service life.

Description

Technical Field

[0001] This invention relates to the technical field of electronic rearview mirrors, and more particularly to a vehicle-mounted electronic rearview mirror and its manufacturing method. Background Technology

[0002] Electronic rearview mirrors use camera modules mounted on the outside of the vehicle to collect real-time images of the surrounding road conditions and transmit them to a display screen in the driver's cab. This avoids the problems of blind spots, poor visibility at night, and interference from rain and snow that exist in traditional optical rearview mirrors, improving the safety of driving, turning, and reversing. They are especially suitable for long-wheelbase trucks with large blind spots, such as light trucks, mini trucks, medium and heavy trucks, and other large vehicles.

[0003] A novel manually folding electronic rearview mirror is disclosed in the existing patent publication number CN223735960U. It requires manual prying of the rearview mirror body to rotate it around the rotation axis to the storage position. However, this technical solution uses the pre-tightening force generated by the spring to create an interference fit between the rotating joints to achieve angle locking. Therefore, a large external force needs to be applied during operation, which can easily cause wear on the mating surfaces of the rotating joints. After long-term repeated use, the mating clearance of the rotating joint will gradually increase, causing the rearview mirror body to loosen. This not only affects the reliability of the folding function, but also leads to a decrease in the imaging stability of the camera module, resulting in problems such as image shaking and blurring.

[0004] Therefore, it is necessary to provide a vehicle-mounted electronic rearview mirror and its manufacturing method to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to provide a vehicle-mounted electronic rearview mirror and its processing method, which is simple to operate, reduces the hard friction when the rearview mirror is bent and folded, and extends its service life.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a vehicle electronic rearview mirror, comprising a side-mounted fixing part and a movable retractable part; A folding connection structure is provided between the side-mounted fixing part and the movable retractable part; An active triggering actuator is provided at the bottom of the side-mounted fixing part; The folding connection mechanism includes a positioning structure and a locking structure; The side-mounted fixing part and the movable retractable part are aligned at the rotation center position through a positioning structure, and the relative rotation angle is locked by a locking structure. The actuator is used to control whether the locking structure is locked or not.

[0007] As a preferred embodiment of the present invention, the side-mounted fixing part includes an extended lower base, and the movable retractable part includes an extended upper top base; The extended lower base is adapted to the extended upper top base, and the folding connecting mechanism is disposed between the two.

[0008] As a preferred embodiment of the present invention, the positioning structure includes a conical concave surface and a conical convex surface; The conical concave surface is formed on the extended lower base, and the conical convex surface is disposed at the bottom of the extended upper top base; The conical concave surface is adapted to the conical convex surface; A recessed circular groove is provided at the center of the conical concave surface; The conical convex surface has a protruding annular end at its center bottom that matches the recessed circular groove.

[0009] As a preferred embodiment of the present invention, a limiting hole is provided through the center of the annular end, and a cylindrical part is provided with the center protrusion of the recessed circular groove. The limiting hole is sleeved on the outside of the cylindrical part and rotatably connected to it.

[0010] As a preferred embodiment of the present invention, the top of the extended upper seat is integrally formed with a reinforcing rib assembly, and a support ring is fixedly connected to the center of the reinforcing rib assembly. The support ring is provided with several snap-fit ​​mechanisms inside and at the bottom circumferentially. The locking structure includes a lifting lock sleeve, the actuating element is connected to the lifting lock sleeve, and the lifting lock sleeve is adapted to the snap-fit ​​mechanism; The outer diameter of the lifting lock sleeve is adapted to the inner diameter of the support ring sleeve.

[0011] As a preferred embodiment of the present invention, the snap-fit ​​mechanism includes an arc-shaped column, which protrudes from the bottom of the inner ring of the support ring sleeve; The lifting lock sleeve includes an upper cover, and a snap ring is fixedly connected to the bottom of the upper cover. The snap ring has several semi-column grooves on its outer side that are adapted to the arc-shaped column.

[0012] As a preferred embodiment of the present invention, the inner side of the snap ring is provided with a floral keyway, and the top of the cylindrical part is fixedly connected with a floral key that matches the floral keyway. The height of the flower-shaped key is greater than the height of the arc-shaped column.

[0013] As a preferred embodiment of the present invention, the actuating element includes a button and a connecting post; The top of the button is connected to the connecting post, which passes through the cylindrical part and the flower-shaped key and slides with it; The top of the connecting column is connected to the upper cover.

[0014] As a preferred embodiment of the present invention, the bottom of the extended lower base is provided with a cylindrical hollow cavity for the button component to move. The top of the button component is integrally formed with a stepped retaining ring, the diameter of which is adapted to the cylindrical hollow cavity. A spring is installed inside the cylindrical hollow cavity, and the spring is sleeved on the outside of the connecting column.

[0015] The present invention also provides a method for manufacturing an in-vehicle electronic rearview mirror, for manufacturing an in-vehicle electronic rearview mirror as described above, comprising the following steps: The blanks for the extended lower base and the extended upper base are formed separately by injection molding process; The conical concave surface and the recessed circular groove and cylindrical part in the middle are milled on the extended lower base through CNC precision machining. A tapered convex surface that matches the conical concave surface and its central annular end are milled at the bottom of the extended top seat, and a limiting hole is machined at the center of the annular end.

[0016] Align the conical convex surface of the extended upper seat with the conical concave surface of the extended lower base, so that the ring end is fully inserted into the recessed groove, and the limiting hole is sleeved on the outside of the cylindrical part. The active trigger actuator is placed in the pre-set mounting cavity at the bottom of the extended lower base; A locking structure for a folding connection mechanism is assembled between the extended lower base and the extended upper top base, so that the output end of the actuator is connected to the locking structure.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: The present invention actively controls the unlocking of the locking structure through the actuator, eliminating the need for manual and laborious prying of the movable retractable part, thus avoiding wear and gap expansion caused by interference fit and repeated friction on the rotating mating surface. The operation is simple and convenient, saving time and effort. The locking structure rigidly locks the movable retractable part to the side-mounted fixing part, preventing loosening after long-term use. This ensures a continuous output of clear and jitter-free road images, improving the stability and reliability of imaging. Attached Figure Description

[0018] The technical solution and other beneficial effects of this application will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0019] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the vehicle-mounted electronic rearview mirror of the present invention; Figure 2 This is a three-dimensional schematic diagram of the actuating element at the bottom of the present invention; Figure 3 This is a schematic cross-sectional view of the present invention; Figure 4 This is a three-dimensional schematic diagram of the extended lower base of the present invention; Figure 5 This is a schematic diagram of the bottom of the extended upper top seat of the present invention; Figure 6 yes Figure 3 A magnified view of a portion of region A; Figure 7 This is a three-dimensional schematic diagram of the reinforcing rib assembly of the present invention; Figure 8 This is a schematic diagram of the bottom of the lifting lock sleeve of the present invention; In the diagram: 1. Retractable section; 101. Extended top seat; 2. Side-mounted fixing part; 201. Extended lower base; 3. Conical concave surface; 301. Conical convex surface; 302. Recessed circular groove; 303. Circular end; 304. Limiting hole; 305. Cylindrical part; 306. Support ring sleeve; 4. Curved column; 5. Top cover; 501. Snap-fit ​​ring; 502. Semi-pillar groove; 503. Floral keyway; 504. Floral key; 6. Button component; 601. Connecting post; 7. Actuating elements; 8. Cylindrical hollow cavity; 9. Spring components. Detailed Implementation

[0020] The following disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0021] Please see Figure 1-8 The present invention provides a technical solution: a vehicle electronic rearview mirror, comprising a side-mounted fixing part 2 and a movable retractable part 1; A folding connection structure is provided between the side-mounted fixing part 2 and the movable folding part 1; An active trigger actuator 7 is provided at the bottom of the side-mounted fixing part 2; The folding connection mechanism includes a positioning structure and a locking structure; The side-mounted fixing part 2 and the movable retractable part 1 are aligned at the rotation center position through a positioning structure, and the relative rotation angle is locked by a locking structure. Actuator 7 is used to control whether the locking structure is locked or not.

[0022] Specifically, when it is necessary to fold the movable retractable part 1, the locking structure is driven to release the lock on the movable retractable part 1 by manually pressing the actuator 7. At this time, the movable retractable part 1 can be rotated to the retracted position around the rotation center of the positioning structure. Then, the actuator 7 is released, the locking structure re-enters the locked state, and the relative rotation angle between the movable retractable part 1 and the side-mounted fixing part 2 is re-locked. In this embodiment, the locking structure is unlocked by the active control of the actuator 7, eliminating the need to manually and forcefully pry open the movable retractable part 1. This avoids wear and gap expansion caused by interference fit and repeated friction on the rotating mating surface, making the operation simple, convenient, time-saving, and labor-saving. Furthermore, a locking structure is provided to rigidly lock the movable retractable part 1 to the side-mounted fixing part 2, preventing loosening after long-term use, and enabling continuous output of clear and shake-free road images, thus improving the stability and reliability of imaging.

[0023] Based on the above embodiments, the side-mounted fixing part 2 includes an extended lower base 201, and the movable retractable part 1 includes an extended upper top seat 101. The extended lower base 201 is adapted to the extended upper top base 101, and the folding connecting mechanism is disposed between the two.

[0024] Based on the above embodiments, the positioning structure includes a conical concave surface 3 and a conical convex surface 301; A conical concave surface 3 is formed on the extended lower base 201, and a conical convex surface 301 is provided at the bottom of the extended upper top base 101; The conical concave surface 3 is adapted to the conical convex surface 301; A recessed circular groove 302 is provided at the center of the conical concave surface 3; The bottom center of the tapered convex surface 301 is provided with a circular end 303 that is adapted to the recessed circular groove 302.

[0025] In this embodiment, a conical concave surface 3 and a conical convex surface 301 are provided. The conical surfaces fit together to achieve automatic centering, realize high-precision alignment of the rotation center, avoid swaying, and have good rigidity when bearing lateral loads. Furthermore, the circular end 303 is embedded in the recessed circular groove 302 to form an axial limit, which further improves the stability of the alignment and prevents it from falling off the side-mounted fixing part 2, while providing a stable axial reference for the locking structure. Preferably, the lower base 201 extends outward from the bottom of the housing of the side mounting fixing part 2, and its upper end surface is provided with a conical concave surface 3 in the shape of an inner cone. The extended top seat 101 extends outward from the top of the housing of the movable retractable part 1, and its bottom end is provided with a conical convex surface 301 in the shape of an outer cone. The taper of the concave concave surface 3 is the same as that of the convex concave surface 301, and the two conical surfaces are fitted together. Preferably, circumferentially distributed oil reservoirs are machined on the conical surface of the conical concave surface 3, and the two ends of the oil reservoirs do not extend to the edge of the conical surface, so that there is always a thin film of lubricating grease between the conical concave surface 3 and the conical convex surface 301, ensuring that the folding action is easy and smooth during long-term use.

[0026] Based on the above embodiment, a limiting hole 304 is provided through the center of the annular end 303, and a cylindrical part 305 is provided in the center of the recessed circular groove 302. The limiting hole 304 is sleeved on the outside of the cylindrical part 305 and rotatably connected to it.

[0027] In this embodiment, the cylindrical part 305 is rotatably connected to the limiting hole 304 to further limit the position, avoid the slight radial slippage that may occur if the conical surface is only in contact, and ensure that the engagement position is consistent for each unlocking and locking action; Preferably, the limiting hole 304 is a circular through hole that extends axially through the center of the annular end 303, and its hole wall is precision ground to further reduce friction. Preferably, the cylindrical part 305 protrudes vertically upward from the center of the bottom of the recessed circular groove 302, and is a cylinder, with its outer cylindrical surface forming a rotational fit with the wall of the limiting hole 304.

[0028] Based on the above embodiments, a reinforcing rib assembly is integrally formed on the top of the extended upper seat 101, and a support ring 306 is fixedly connected to the center of the reinforcing rib assembly. Several snap-fit ​​mechanisms are provided inside the support ring 306 and in the bottom circumferential direction. The locking structure includes a lifting lock sleeve, the actuator 7 is connected to the lifting lock sleeve, and the lifting lock sleeve is adapted to the snap-fit ​​mechanism; The outer diameter of the lifting lock sleeve is matched with the inner diameter of the support ring sleeve 306.

[0029] Specifically, by pressing the actuator 7, the lifting lock sleeve is pushed upward in the inner cavity of the support ring sleeve 306, disengaging from the locking mechanism on the inner wall, thereby releasing the lock. The movable retractable part 1 can then be manually folded back and the relative angle adjusted. In this embodiment, the lifting lock sleeve is built into the support ring sleeve 306 and several snap-fit ​​mechanisms are provided to form a circumferential multi-point locking. The locking torque between the lifting lock sleeve and the snap-fit ​​mechanism is evenly distributed through multiple snap-fit ​​points, reducing the force on a single point and improving the service life. Furthermore, a reinforcing rib assembly is provided to further improve the overall rigidity of the extended upper top seat 101, and a support ring sleeve 306 is provided to cooperate with the outer circle of the lifting lock sleeve to achieve a guiding function and ensure the coaxiality of the lifting action. Preferably, the reinforcing rib assembly is integrally formed from multiple plate-shaped ribs, and a support ring 306 is fixedly connected at the intersection of the ribs. The support ring 306 is a vertically arranged circular ring structure, and a snap-fit ​​mechanism is evenly distributed along the circumference of the bottom inner wall. Preferably, the locking mechanism is configured as a plurality of locking blocks protruding inward from the inner wall of the support ring sleeve 306 or a plurality of locking grooves formed on the inner wall.

[0030] Based on the above embodiments, the snap-fit ​​mechanism includes an arc-shaped post 4, which protrudes from the bottom of the inner ring of the support ring sleeve 306; The lifting lock sleeve includes an upper cover 5, and a snap ring 501 is fixedly connected to the bottom of the upper cover 5. The snap ring 501 has several semi-column grooves 502 on its outer side that are adapted to the arc-shaped column 4.

[0031] In this embodiment, an arc-shaped column 4 and a semi-cylindrical groove 502 are provided to form a multi-tooth embedded locking pair. When the cylindrical surface of the arc-shaped column 4 and the semi-cylindrical surface of the semi-cylindrical groove 502 are in contact, the contact stress is evenly distributed, which improves the load-bearing capacity and reduces the damage or plastic deformation caused by long-term use. Preferably, the arc-shaped column 4 is provided as multiple independent arc-shaped protrusions, integrally formed on the bottom of the inner ring of the support ring sleeve 306, and evenly arranged along the circumference. The cross-section of each arc-shaped column 4 is set as a semi-circle, and its axis is parallel to the axial direction of the support ring sleeve 306. Preferably, the snap ring 501 is an annular part fixed to the bottom of the upper cover 5, and its outer cylindrical surface has the same number of semi-cylindrical grooves 502 as the arc-shaped column 4 along the circumferential direction. The semi-cylindrical grooves 502 are set as semi-circular grooves with the same radius as the arc-shaped column 4, and are recessed inward along the radial direction of the snap ring 501. Preferably, the groove edge of the semi-column groove 502 is machined with an inlet chamfer of 15° to 30° to facilitate the smooth insertion of the lifting lock sleeve into the arc-shaped column 4 when it falls.

[0032] Based on the above embodiments, a flower-shaped keyway 503 is provided on the inner side of the snap ring 501, and a flower-shaped key 504 adapted to the flower-shaped keyway 503 is fixedly connected to the top of the cylindrical part 305. The height of the floral key 504 is greater than the height of the arc-shaped column 4.

[0033] Specifically, when the drive actuator 7 pushes the upper cover 5 upward, the locking ring 501 moves upward accordingly, and the semi-cylindrical groove 502 disengages from the arc-shaped column 4, thus releasing the lock and facilitating manual adjustment of the angle for storage. During this process, the floral keyway 503 on the inner wall of the locking ring 501 always slides on the teeth of the floral key 504, and the locking ring 501 is restricted by the floral key 504 and cannot rotate in any circumferential direction. Then, when the actuator 7 pulls down the upper cover 5, the locking ring 501 descends, the floral keyway 503 slides downward along the floral key 504, and the semi-cylindrical groove 502 is fitted into the arc-shaped column 4 to complete the relocking. In this embodiment, the flower-shaped keyway 503 and the flower-shaped key 504 are always in an engaged state to limit the circumferential angle of the locking ring 501, thereby ensuring that the relative angle position of the extended lower base 201 and the extended upper top base 101 is always fixed when locked, thus improving the stability of the rearview mirror body in use. Preferably, the flower key 504 and the flower keyway 503 are made of involute spline teeth, which have strong load-bearing capacity; Preferably, the surface of the flower key 504 is plated with hard chrome to improve surface hardness and wear resistance, and the flower keyway 503 on the inner wall of the snap ring 501 is provided with a molybdenum disulfide coating to reduce sliding friction.

[0034] Based on the above embodiments, the actuating element 7 includes a button 6 and a connecting post 601; The top of the button 6 is connected to the connecting post 601, which passes through the cylindrical part 305 and the flower key 504 and slides with them; The top of the connecting column 601 is connected to the top cover 5.

[0035] Based on the above embodiments, a cylindrical hollow cavity 8 for the button component 6 to move is provided at the bottom of the extended lower base 201; The top of the button component 6 is integrally formed with a stepped retaining ring, the diameter of which is adapted to the cylindrical hollow cavity 8; A spring element 9 is installed inside the cylindrical hollow cavity 8, and the spring element 9 is sleeved on the outside of the connecting column 601.

[0036] Specifically, in the initial state, the spring member 9 pushes down the stepped retaining ring, and the button member 6 is located at the bottom of the cylindrical hollow cavity 8 for easy pressing by the operator. The connecting column 601 pulls the upper cover 5 and the locking ring 501 to the bottom, at which point the movable retractable part 1 is locked. When unlocking is required, the button member 6 is manually pressed upward from the bottom of the extended lower base 201. The button member 6 pushes the connecting column 601 to slide upward along the central hole of the cylindrical part 305 and the flower key 504. The connecting column 601 drives the upper cover 5 and the locking ring 501 to rise synchronously, and the semi-cylindrical groove 502 disengages from the arc-shaped column 4, thus releasing the lock. When the button member 6 is released, the spring member 9 springs back to its original position, driving the button member 6, the connecting column 601, the upper cover 5, and the locking ring 501 to move downward together. The semi-cylindrical groove 502 re-engages with the arc-shaped column 4, thus re-locking. In this embodiment, the actuator 7 is provided with a mechanical pressing structure, and the button 6 and the connecting column 601 are integrated and axially linked, so that the force transmission is direct and without lag, and the response time is improved. Furthermore, the spring component 9 is provided with preload, so that the locked state can still be maintained even if the power is interrupted or the air circuit fails, which improves the safety of use and complies with the fail-safe principle. Preferably, the connecting post 601 is made of alloy steel, and a bushing can be provided in the section that mates with the central through hole of the column part 305 and the flower key 504 to reduce sliding friction. Preferably, the connection between the connecting column 601 and the upper cover 5 is threaded and locked to ensure that it will not loosen under long-term vibration and to facilitate individual replacement and maintenance later.

[0037] This embodiment also provides a method for processing a vehicle-mounted electronic rearview mirror, used to process the above-mentioned vehicle-mounted electronic rearview mirror, including the following steps: S1. The blanks of the extended lower base 201 and the extended upper base 101 are formed by injection molding process respectively; S2. Through CNC precision machining, the conical concave surface 3 and the recessed circular groove 302 and cylindrical part 305 in the middle of the extended lower base 201 are milled. S3. A tapered convex surface 301 that matches the tapered concave surface 3 and a circular end 303 in the middle are milled on the bottom of the extended top seat 101, and a limiting hole 304 is machined at the center of the circular end 303.

[0038] S4. Align the tapered convex surface 301 of the extended upper top seat 101 with the tapered concave surface 3 of the extended lower base 201, so that the annular end 303 is fully inserted into the recessed circular groove 302, and the limiting hole 304 is sleeved on the outside of the cylindrical part 305. S5. The active trigger actuator 7 is placed in the preset mounting cavity at the bottom of the extended lower base 201; S6. A locking structure of a folding connection mechanism is assembled between the extended lower base 201 and the extended upper top base 101, so that the output end of the actuator 7 is connected to the locking structure.

[0039] In this embodiment, a combination of injection molding and CNC precision machining is used to maintain product processing efficiency while further ensuring the accuracy of key mating surfaces. The conical concave surface 3, conical convex surface 301, recessed circular groove 302, annular end 303, limiting hole 304, and cylindrical part 305 can be processed by CNC in one clamping on the molding blank, ensuring the fit and coaxiality of the conical surface, and ensuring the mating clearance between the annular end and the recessed circular groove, ensuring high precision of subsequent rotation and improving the stability of long-term operation. Furthermore, the self-centering property of the conical surface is utilized to achieve rapid assembly of the extended lower base 201 and the extended upper top base 101 without the need for additional tooling for alignment, thereby improving assembly efficiency and ensuring good consistency.

[0040] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection, the internal communication between two components, or the interaction between two components. Those skilled in the art can understand the meaning of the above terms in this application according to the specific circumstances.

[0041] The above provides a detailed description of a vehicle-mounted electronic rearview mirror and its processing method according to the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A vehicle-mounted electronic rearview mirror, characterized in that, It includes a side-mounted fixing part (2) and a movable folding part (1); A folding connection structure is provided between the side-mounted fixing part (2) and the movable retractable part (1); The bottom of the side-mounted fixing part (2) is provided with an active triggering actuator (7). The folding connection mechanism includes a positioning structure and a locking structure; The side-mounted fixing part (2) and the movable retractable part (1) are aligned at the rotation center position through a positioning structure, and the relative rotation angle is locked by a locking structure. The actuator (7) is used to control whether the locking structure is locked or not.

2. The vehicle-mounted electronic rearview mirror according to claim 1, characterized in that, The side-mounted fixing part (2) includes an extended lower base (201), and the movable retractable part (1) includes an extended upper top base (101). The extended lower base (201) is adapted to the extended upper top base (101), and the folding connecting mechanism is disposed between the two.

3. The vehicle-mounted electronic rearview mirror according to claim 2, characterized in that, The positioning structure includes a conical concave surface (3) and a conical convex surface (301). The conical concave surface (3) is formed on the extended lower base (201), and the conical convex surface (301) is provided at the bottom of the extended upper top base (101); The conical concave surface (3) is adapted to the conical convex surface (301); A recessed circular groove (302) is provided at the center of the conical concave surface (3); The conical convex surface (301) has a circular end (303) at its center bottom that is adapted to the recessed circular groove (302).

4. A vehicle-mounted electronic rearview mirror according to claim 3, characterized in that, A limiting hole (304) is provided through the center of the annular end (303), and a cylindrical part (305) is provided on the center protrusion of the recessed circular groove (302). The limiting hole (304) is sleeved on the outside of the cylindrical part (305) and rotatably connected to it.

5. A vehicle-mounted electronic rearview mirror according to claim 4, characterized in that, The top of the extended upper seat (101) is integrally formed with a reinforcing rib assembly, and a support ring sleeve (306) is fixedly connected to the center of the reinforcing rib assembly. Several snap-fit ​​mechanisms are provided inside the support ring sleeve (306) and circumferentially at the bottom. The locking structure includes a lifting lock sleeve, the actuating element (7) is connected to the lifting lock sleeve, and the lifting lock sleeve is adapted to the snap-fit ​​mechanism; The outer diameter of the lifting lock sleeve is adapted to the inner diameter of the support ring sleeve (306).

6. A vehicle-mounted electronic rearview mirror according to claim 5, characterized in that, The snap-fit ​​mechanism includes an arc-shaped post (4), which protrudes from the bottom of the inner ring of the support ring sleeve (306); The lifting lock sleeve includes an upper cover (5), and a snap ring (501) is fixedly connected to the bottom of the upper cover (5). The snap ring (501) has several semi-column grooves (502) on its outer side that are adapted to the arc-shaped column (4).

7. A vehicle-mounted electronic rearview mirror according to claim 6, characterized in that, The inner side of the snap ring (501) is provided with a flower-shaped keyway (503), and the top of the cylindrical part (305) is fixedly connected with a flower-shaped key (504) that is compatible with the flower-shaped keyway (503). The height of the flower-shaped key (504) is greater than the height of the arc-shaped column (4).

8. A vehicle-mounted electronic rearview mirror according to claim 7, characterized in that, The actuator (7) includes a button (6) and a connecting post (601); The top of the button (6) is connected to the connecting post (601), which passes through the cylindrical part (305) and the flower key (504) and slides with them; The top of the connecting column (601) is connected to the top cover (5).

9. A vehicle-mounted electronic rearview mirror according to claim 8, characterized in that, The bottom of the extended lower base (201) is provided with a cylindrical hollow cavity (8) for the button (6) to move. The top of the button (6) is integrally formed with a stepped retaining ring, the diameter of which is adapted to the cylindrical hollow cavity (8); A spring (9) is provided inside the cylindrical hollow cavity (8), and the spring (9) is sleeved on the outside of the connecting column (601).

10. A method for manufacturing a vehicle-mounted electronic rearview mirror, used to manufacture a vehicle-mounted electronic rearview mirror as described in any one of claims 1 to 9, characterized in that, Includes the following steps: S1. The blanks of the extended lower base (201) and the extended upper base (101) are respectively formed by injection molding process; S2. By CNC precision machining, a conical concave surface (3) and a recessed circular groove (302) and a cylindrical part (305) in the middle of the extended lower base (201) are milled. S3. A tapered convex surface (301) that matches the tapered concave surface (3) and its central annular end (303) are milled on the bottom of the extended upper seat (101), and a limiting hole (304) is machined at the center of the annular end (303). S4. Align the tapered convex surface (301) of the extended upper top seat (101) with the tapered concave surface (3) of the extended lower base (201), so that the ring end (303) is fully inserted into the recessed circular groove (302), and the limiting hole (304) is sleeved on the outside of the cylindrical part (305). S5. The active trigger actuator (7) is placed in the pre-set mounting cavity at the bottom of the extended lower base (201); S6. A locking structure of a folding connection mechanism is assembled between the extended lower base (201) and the extended upper top base (101) so that the output end of the actuator (7) is connected to the locking structure.

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