Inner rear-view mirror assembly structure and mounting structure thereof

Abstract

The inside rear-view mirror assembly structure comprises a mirror shell, a lens is installed on the front side of the mirror shell, and the rear side of the mirror shell is connected with a support through a spherical hinge structure. A support is arranged on the ball cup and comprises two supporting plates which are parallel to each other and oppositely arranged, and rectangular rotating holes are formed in the supporting plates. A connecting seat extending to the position between the two supporting plates is arranged on the ball cup, rotating blocks are formed on the two opposite sides of the driving lever, the rotating blocks are rotatably installed in the rotating holes, an elastic rotating shaft rod is arranged between the two rotating blocks, the two ends of the rotating shaft rod are fixedly connected with the rotating blocks respectively, and the two ends of the rotating shaft rod are fixedly connected with the connecting seat. The middle of the support is arranged in the connecting groove, and a clamping elastic pressing structure used for installation and connection is arranged in the support, so that rapid and firm connection of the assembly structure is achieved. The utility model has the advantages of simple structure, convenience in installation, attractive appearance and good use effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially to a rearview mirror assembly structure and its mounting structure. BACKGROUND

[0002] The anti-dazzling rearview mirror is an important safety configuration on the automobile, which can effectively reduce the influence of strong light of the rear vehicle on the driver's sight and improve the safety of night driving.

[0003] However, 1. The traditional manual anti-dazzling rearview mirror is mostly with a frame, and the lens is pressed by the interaction force of the rim and the mirror shell. The frame occupies a large effective area, making the rearview mirror not beautiful enough and affecting the effective use area.

[0004] 2. The anti-dazzling opening and closing of the traditional manual anti-dazzling rearview mirror mostly adopts a complex mechanical structure composed of multiple parts, which is complex in structure and poor in stability. The simple adjusting lever is in contact with the surface of the mirror shell when opening and closing the anti-dazzling function, which makes the adjusting sound very loud and crisp, thus reducing the comfort of use. Some add a buffer pad on the mirror shell, which can solve the problem of loud sound, but the cost is increased, the buffer pad is easy to age and fall off, and the service life is affected.

[0005] 3. The ball head seat of the traditional manual anti-dazzling rearview mirror is fastened with a spring, which lacks a limiting structure of the spring. When the mirror body rotates, the spring has the risk of falling off, and lacks a limiting structure of the mirror body. When the mirror body rotates, it is easy to deviate greatly, causing the ball head to separate from the ball head seat, and the ball hinge structure is easy to be damaged.

[0006] 4. The traditional rearview mirror assembly is connected and fixed to the vehicle body by screws, and the ball head support rod is mostly made of metal material, which is complicated in installation and arrangement and poor in economy. UTILITY MODEL CONTENTS

[0007] In view of the above problems in the prior art, the utility model aims to provide a rearview mirror assembly structure to solve the problems of poor appearance, small effective area, complex anti-dazzling opening and closing structure, loud noise of the lever, complex structure, easy falling off of the spring, lack of limitation of the mirror body rotation, and complicated installation.

[0008] To solve the above technical problems, the utility model adopts the technical scheme, which is as follows: an interior rear -view mirror assembly structure, including mirror shell, install the mirror piece on the front side of mirror shell, the rear side is connected with support through ball hinge structure, the ball hinge structure includes the ball head shaped in the front end of support and the ball head seat connected with mirror shell, the rear side of ball head seat has the ball socket, the ball head is rotatably installed in the ball socket, wherein, the ball socket is surrounded by a plurality of elastic plates which are arranged at intervals and whose inner sides are arc structures, a spring is sleeved on the outer side of the elastic plate, the inner side of the elastic plate is tightly fitted with the ball head, and a first limiting structure for limiting the movement of the spring is arranged on the elastic plate;

[0009] A support is arranged on the ball head seat, the support includes two support plates arranged opposite to each other and parallel to each other, and a rotating hole in the shape of a rectangle is formed in the support plate; a connecting seat extending between the two support plates is arranged on the ball head seat, and a connecting groove extending in a direction perpendicular to the support plate is arranged on the end face of the connecting seat; a lever is further included, rotating blocks are formed on opposite sides of the lever, the rotating blocks are rotatably installed in the rotating holes, an elastic rotating shaft rod is arranged between the two rotating blocks, the two ends of the rotating shaft rod are fixedly connected with the rotating blocks, and the middle part is arranged in the connecting groove; when the lever is pushed, the rotating blocks rotate in the rotating holes, the rotating blocks drive the rotating shaft rod to move, the ball head seat is driven to rotate through the connecting groove, and the mirror shell is further driven to rotate;

[0010] A noise reduction structure is arranged on the lever body, and the noise reduction structure can form linear contact with the mirror shell when the lever is pushed to rotate;

[0011] A second limiting structure is further included, when the mirror shell is rotated to a preset angle, the second limiting structure can prevent the mirror shell from continuing to rotate and can prevent the ball head from being pulled out of the ball socket.

[0012] As an optimization, a mirror holder is arranged on the front side of the mirror shell, the mirror piece is arranged on the mirror holder, a double-sided adhesive tape is arranged between the mirror piece and the mirror holder, and a plurality of air exhaust grooves are arranged on the front side of the mirror holder in a transverse, longitudinal or staggered manner, the air exhaust grooves penetrate the edges of the mirror holder, and the mirror piece is arranged on the mirror holder by the double-sided adhesive tape.

[0013] As an optimization, the projection of the mirror piece on the front side of the mirror shell completely covers the contour line of the mirror shell.

[0014] As an optimization, the first limiting structure includes a buckle structure protruding outward from the end of part or all of the elastic plates, the spring is sleeved on the outer side of the elastic plate, and the buckle structure can be tightly fitted with one end of the spring to limit the movement of the spring.

[0015] As optimization, the four corners of the rotating hole are formed with round transition structures, and the rotating block has arc surfaces matched with the round transition structures, and under the action of the rotating shaft rod, when the arc surfaces are attached to the round transition structures, the lever is in a stable state; when the lever rotates, the arc surfaces of the rotating block can rotate from the round transition structure at one corner of the rotating hole to the round transition structure at the adjacent other corner.

[0016] As optimization, the noise reduction structure includes a plurality of stiffening strip structures arranged on the lever.

[0017] As optimization, the second limiting structure includes a circular limiting boss formed on the side of the ball head away from the support, and a limiting groove arranged on the inner wall of the ball socket and around the same, when the mirror shell drives the ball head seat to rotate to a preset angle, the edge of the limiting boss engages with the limiting groove, thereby preventing the mirror shell from continuing to rotate and preventing the ball head from being pulled out of the ball socket.

[0018] As optimization, the support is a column structure, and the end away from the ball head is formed with a circular mounting groove, and a clamping assembly is mounted in the mounting groove; wherein a connecting column is arranged at the center of the mounting groove, and a helical spring coaxial with the connecting column is arranged in the mounting groove; the clamping assembly includes a fixed block matched with the shape of the mounting groove and a pressing block movably connected with the fixed block, the fixed block is fixedly installed on the connecting column, the pressing block is located on the side of the fixed block close to the connecting column and abuts against the helical spring; a plurality of spaced-apart clamping claws are distributed around the side of the fixed block away from the connecting column, and the end of each clamping claw is formed with a clamping table extending towards the axis of the fixed block; a plurality of spaced-apart sliding holes are also distributed around the fixed block, and a plurality of pressing tables capable of passing through the sliding holes are formed on the pressing block, the pressing block is movably connected with the fixed block through the sliding fit of the pressing tables and the sliding holes.

[0019] Based on the above rearview mirror assembly structure, the utility model also provides an installation structure of the rearview mirror assembly structure, which comprises the rearview mirror assembly structure, and further comprises a connecting disc arranged on a vehicle body, one end of the connecting disc is formed with a connecting boss protruding along the axial direction thereof, the diameter of the connecting boss is smaller than that of the connecting disc and is matched with the circumferential diameter enclosed by the clamping tables on the clamping claws, a plurality of clamping convex ribs extending along the circumferential direction thereof are arranged around the connecting boss at intervals, a space capable of accommodating the clamping tables is formed between the clamping convex ribs and the edge of the connecting disc, the clamping tables can be sleeved on the connecting boss from the space between the adjacent clamping convex ribs and can be rotated into the space between the clamping convex ribs and the edge of the connecting disc, and when the clamping tables enter the space between the clamping convex ribs and the connecting disc, the top end of the clamping tables is attached to the connecting disc and the bottom end is attached to the clamping convex ribs.

[0020] Compared with the prior art, the utility model has the advantages that the ball socket surrounded by the plurality of elastic plates is matched with the ball head, the first limiting structure for limiting the spring movement is arranged on the elastic plate, the spring can be prevented from falling off well, the use stability is improved, at the same time, the noise reduction structure for contacting the mirror shell is arranged on the lever, the noise of the lever and mirror shell collision is reduced, the comfort of use is improved, and the second limiting structure for limiting the rotation angle of the mirror shell is arranged, the ball hinge structure can be better protected, the mirror shell can be prevented from appearing large deviation and falling off, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is assembly structure schematic diagram of the utility model;

[0022] Figure 2 It is assembly structure schematic diagram of the utility model in ball head seat and lever;

[0023] Figure 3 It is structure schematic diagram of the utility model in ball head seat;

[0024] Figure 4 It is structure schematic diagram of the utility model in lever;

[0025] Figure 5 It is assembly structure schematic diagram of the utility model in ball head seat and support;

[0026] Figure 6 It is assembly structure schematic diagram of the utility model in support and connecting disc;

[0027] In the drawing: 1 mirror shell, 2 mirror, 3 support, 4 ball head, 5 ball head seat, 6 ball socket, 7 elastic plate, 8 spring, 9 support plate, 10 rotating hole, 11 connecting seat, 12 lever, 13 rotating block, 14 rotating shaft stick, 15 mirror support plate, 16 buckle structure, 17 rib structure, 18 limiting boss, 19 limiting groove, 20 helical spring, 21 fixed block, 22 pressing block, 23 claw, 24 card station, 25 pressing station, 26 connecting disc, 27 connecting boss, 28 clamping convex ridge. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and examples.

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. In addition, the terms "horizontal", "vertical" and the like do not mean that the parts must be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the description of the present application, it should also be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Embodiment: see Figures 1 to 5The application discloses an inside rearview mirror assembly structure, which comprises a mirror housing 1, a mirror lens 2 is arranged on the front side of the mirror housing 1, and the rear side of the mirror housing 1 is connected with a support 3 through a ball hinge structure. Specifically, a mirror supporting plate 15 is arranged on the front side of the mirror housing 1, and the mirror lens 2 is arranged on the mirror supporting plate 15, wherein double-sided adhesive tape is arranged between the mirror lens 2 and the mirror supporting plate 15, and a plurality of transverse or longitudinal or staggered air exhaust grooves are arranged on the front side of the mirror supporting plate 15 and penetrate the edge of the mirror supporting plate 15, and the mirror lens 2 is arranged on the mirror supporting plate 15 through the double-sided adhesive tape. The projection of the mirror lens 2 on the front side of the mirror housing 1 completely covers the contour line of the mirror housing 1, so that a frameless inside rearview mirror is formed. By adopting the frameless rearview mirror, the mirror lens 2 is arranged on the mirror supporting plate 15 through the double-sided adhesive tape, and the air exhaust grooves are arranged on the mirror supporting plate 15, so that no air bubbles are generated when the double-sided adhesive tape is arranged, and the double-sided adhesive tape is more firmly arranged. In the embodiment, the mirror supporting plate 15 and the mirror housing 1 are connected through a clamping structure, the mirror supporting plate 15 is clamped with the mirror housing 1 after the mirror lens 2 is arranged on the mirror supporting plate 15, so that the mirror lens 2, the mirror supporting plate 15 and the mirror housing 1 are assembled, the visual field range is increased, and the appearance is more beautiful.

[0032] The ball hinge structure comprises a ball head 4 formed at the front end of the support 3 and a ball head seat 5 arranged in the mirror housing 1, the rear side of the ball head seat 5 is provided with a ball socket 6, and the ball head 4 is rotatably arranged in the ball socket 6, wherein the ball socket 6 is surrounded by a plurality of elastic plates 7 which are arranged at intervals and have arc-shaped inner sides, springs 8 are arranged outside the elastic plates 7, the inner sides of the elastic plates 7 are tightly attached to the ball head 4, and first limiting structures are arranged on the elastic plates 7 and used for limiting the movement of the springs 8. The first limiting structures comprise buckle structures 16 which are protruded outward at the ends of part or all of the elastic plates 7, the buckle structures 16 can be attached to one end of the spring 8 after the spring 8 is arranged outside the elastic plate 7, and are used for limiting the movement of the spring 8. In the embodiment, the elastic plate 7 is one, wherein the buckle structures 16 are arranged in different directions, the spring 8 is arranged outside the elastic plate 7 by deforming the elastic plate 7, and the buckle structures 16 are abutted against the spring 8 after the elastic plate 7 is reset, so that the spring 8 is fixed and limited, and the spring 8 is prevented from falling off.

[0033] The ball head seat 5 is provided with a support, which comprises two support plates 9 arranged in parallel and opposite to each other, and a rotating hole 10 in the shape of a rectangle is formed in the support plates 9; the ball head seat 5 is provided with a connecting seat 11 extending between the two support plates 9, and a connecting groove extending in a direction perpendicular to the support plates 9 is formed on the end face of the connecting seat 11; the support further comprises a lever 12, opposite sides of the lever 12 are formed with rotating blocks 13, the rotating blocks 13 are rotatably installed in the rotating hole 10, an elastic rotating shaft rod 14 is arranged between the two rotating blocks 13, two ends of the rotating shaft rod 14 are fixedly connected with the rotating blocks 13, and the middle part is arranged in the connecting groove; when the lever 12 is pushed, the rotating blocks 13 rotate in the rotating hole 10, and the rotating blocks 13 drive the rotating shaft rod 14 to move, and the ball head seat 5 is driven to rotate through the connecting groove. The rotating hole 10 is formed with a round corner transition structure at four corners, and correspondingly, the rotating block 13 has an arc surface matched with the round corner transition structure, and under the action of the rotating shaft rod 14, when the arc surface is attached to the round corner transition structure, the lever 12 is in a stable state; when the lever 12 rotates, the arc surface of the rotating block 13 can rotate from the round corner transition structure at one corner of the rotating hole 10 to the round corner transition structure at the other adjacent corner. In this way, the lever 12 is in a stable state when the rotating block 13 rotates to two adjacent round corner transition structures, and when it rotates to the two positions, it is the boundary of the rotation range of the lever 12, and in the rotating process, the rotating shaft rod 14 is pressed to be elastically deformed, so as to drive the ball head seat 5 to rotate through the connecting seat 11, thereby driving the mirror shell 1 to rotate by a certain angle, and realizing the manual anti-glare function.

[0034] A noise reduction structure is arranged on the lever 12, and when the lever 12 is pushed to rotate, the noise reduction structure can be in linear contact with the mirror shell 1; the noise reduction structure comprises a plurality of rib structures 17 arranged on the lever 12, so that the lever 12 and the mirror shell 1 are in linear and surface contact, which can reduce the stress area and thus reduce the sound of adjustment, and can also reduce the cost and improve the user experience.

[0035] The second limiting structure comprises a circular limiting boss 18 formed on the side of the ball head 4 away from the support 3, and a limiting groove 19 arranged on the inner wall of the ball socket 6 and around the ball socket 6; when the mirror shell 1 drives the ball head seat 5 to rotate to a preset angle, the edge of the limiting boss 18 is engaged with the limiting groove 19, so as to prevent the mirror shell 1 from continuing to rotate and prevent the ball head 4 from being pulled out of the ball socket 6.

[0036] The support 3 is a column structure, one end of which away from the ball head 4 is formed with a circular mounting groove, and a clamping assembly is mounted in the mounting groove; wherein, a connecting column is arranged at the center position of the mounting groove, and a helical spring 20 coaxial with the connecting column is arranged in the mounting groove; the clamping assembly comprises a fixed block 21 matched with the shape of the mounting groove and a pressing block 22 movably connected with the fixed block 21, the fixed block 21 is fixedly mounted on the connecting column by screws, and the pressing block 22 is located on the side of the fixed block 21 close to the connecting column and abuts against the helical spring 20; a plurality of clamping claws 23 are distributed around the fixed block 21 on the side away from the connecting column, and the end of each clamping claw 23 is formed with a clamping table 24 extending towards the axis of the fixed block 21; a plurality of sliding holes are also distributed around the fixed block 21, and a plurality of pressing tables 25 are formed on the pressing block 22 and can pass through the sliding holes, and the pressing block 22 is movably connected with the fixed block 21 through the sliding fit of the pressing tables 25 and the sliding holes.

[0037] Based on the above-mentioned interior rearview mirror assembly structure, the utility model also provides an installation structure of the interior rearview mirror assembly structure, as shown in Figure 6 The utility model discloses an installation structure of the interior rearview mirror assembly structure, as shown in the drawings, comprising the interior rearview mirror assembly structure, still include the connecting disc 26 of setting on the car body, one end of connecting disc 26 is formed with the connecting boss 27 of protruding along its axial direction, the diameter of connecting boss 27 is less than the diameter of connecting disc 26, and the circumference diameter matched with the clamping table 24 in the circumference of the clamping claw 23 is formed, and a plurality of clamping convex ribs 28 extending along the circumferential direction are arranged around the connecting boss 27, the spacing between the clamping convex rib 28 and the edge of connecting disc 26 can accommodate the clamping table 24, the clamping table 24 can be sleeved on the connecting boss 27 by the spacing between the adjacent clamping convex rib 28, and by rotating into the spacing between the clamping convex rib 28 and the edge of connecting disc 26, and when the clamping table 24 enters the spacing between the clamping convex rib 28 and connecting disc 26, the top end of the clamping table 24 is attached to the connecting disc 26, and the bottom end is attached to the clamping convex rib 28. When the interior rearview mirror assembly is matched with the car body, the whole assembly rotates in the counterclockwise direction, when the interior rearview assembly just contacts with the connecting disc 26 on the car body, the connecting disc 26 of the car body will extrude the pressing block 22, and the pressing block 22 will transmit the elastic deformation of spring 8 after being stressed, when the assembly rotates in a certain position, the clamping structure at the clamping table 24 and the clamping convex rib 28 will be subjected to the reaction force of spring 8, pressing block 22 and connecting disc 26, thereby achieving the effect of fastening connection.

[0038] The utility model discloses,

[0039] 1, use frameless lens, can increase the field of vision, and also can make interior rearview mirror assembly more beautiful.

[0040] 2, the opening and closing process of manual anti-glare is good in stability.

[0041] 3、Adjusting the sound when the lever is opened and closed, reducing the noise and improving the user experience.

[0042] 4、When the mirror rotates, the ball head, ball head seat and spring connection are fastened to avoid the spring from falling off.

[0043] 5、The limiting boss on the ball head and the limiting slot in the ball socket cooperate to effectively solve the problem of large deviation and falling off when the mirror rotates.

[0044] 6、The installation structure of clamping elastic pressure can conveniently and quickly realize the installation of the interior rearview mirror assembly, and the installation is more firm.

[0045] In summary, the ball socket surrounded by multiple elastic plates cooperates with the ball head, and the first limiting structure for limiting the movement of the spring is arranged on the elastic plate, which can well prevent the spring from falling off and improve the stability. At the same time, the noise reduction structure for point contact with the mirror shell is arranged on the lever to reduce the noise caused by the collision of the lever and the mirror shell, improve the comfort of use, and the second limiting structure for limiting the rotation angle of the mirror shell is arranged to better protect the ball hinge structure, prevent the mirror shell from deviating and falling off, and prolong the service life. At the same time, the installation structure of clamping elastic pressure is adopted, which is convenient to install, firm in connection and easy to use.

[0046] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application and not to limit the technical solutions. Those skilled in the art should understand that those who modify or replace the technical solutions of the present application without departing from the spirit and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. An interior mirror assembly structure comprising a mirror housing, a mirror lens mounted on a front side of the mirror housing, and a support connected to a rear side of the mirror housing by a ball hinge structure, characterized in that, The ball hinge structure comprises a ball head formed on the front end of the support and a ball head seat connected with the mirror shell, the rear side of the ball head seat is provided with a ball socket, and the ball head is rotatably installed in the ball socket. A support is arranged on one side of the ball head seat, the support comprises two support plates arranged in parallel and opposite to each other, and a rotating hole in the shape of a rectangle is formed in the support plates; a connecting seat extending between the two support plates is arranged on the ball head seat, and a connecting groove extending in a direction perpendicular to the support plates is arranged on the end face of the connecting seat; a lever is further arranged, opposite sides of the lever are formed with rotating blocks, the rotating blocks are rotatably installed in the rotating holes, an elastic rotating shaft rod is arranged between the two rotating blocks, two ends of the rotating shaft rod are fixedly connected with the rotating blocks, and the middle part is arranged in the connecting groove; when the lever is pushed, the rotating blocks rotate in the rotating holes, the rotating blocks drive the rotating shaft rod to move, the ball head seat is driven to rotate through the connecting groove, and the mirror shell is further driven to rotate. A noise reduction structure is arranged on the lever, when the lever is rotated by being pushed, the noise reduction structure can form linear contact with the mirror shell. A second limiting structure is further arranged, when the mirror shell is rotated to a preset angle, the second limiting structure can prevent the mirror shell from continuing to rotate and can prevent the ball head from being pulled out of the ball socket.

2. An interior mirror assembly structure according to claim 1, characterized by: A mirror supporting plate is arranged on the front side of the mirror shell, the lens is arranged on the mirror supporting plate, double-sided adhesive tape is arranged between the lens and the mirror supporting plate, and a plurality of air exhaust grooves arranged in a transverse, longitudinal or staggered manner are arranged on the front side of the mirror supporting plate, the air exhaust grooves penetrate the edges of the mirror supporting plate, and the lens is attached and arranged on the mirror supporting plate through the double-sided adhesive tape.

3. An interior mirror assembly structure according to claim 1, characterized by: The projection of the lens on the front side of the mirror shell completely covers the contour line of the front side of the mirror shell.

4. An interior mirror assembly structure according to claim 1, characterized by: The first limiting structure comprises a buckle structure protruding outward from the end of part or all of the elastic plates, the spring is sleeved on the outer side of the elastic plates, the buckle structure can be attached to one end of the spring, and the movement of the spring is limited.

5. An interior mirror assembly structure according to claim 1, wherein: Circular corner transition structures are formed at four corners of the rotating hole, correspondingly, the rotating blocks have arc surfaces matched with the circular corner transition structures, and under the action of the rotating shaft rod, when the arc surfaces are attached to the circular corner transition structures, the lever is in a stable state; when the lever is rotated, the arc surfaces of the rotating blocks can be rotated from the circular corner transition structure at one corner of the rotating hole to the circular corner transition structure at the adjacent other corner.

6. An interior mirror assembly structure according to claim 1, wherein: The noise reduction structure comprises a plurality of rib structures arranged on the lever.

7. An interior mirror assembly structure according to claim 1, wherein: The second limiting structure comprises a circular limiting boss formed on the side of the ball head away from the support, and a limiting groove arranged on the inner wall of the ball socket and surrounding the ball socket, when the mirror shell drives the ball head seat to rotate to a preset angle, the edge of the limiting boss is engaged with the limiting groove, so as to prevent the mirror shell from continuing to rotate and prevent the ball head from being pulled out of the ball socket.

8. An interior rearview mirror assembly constructed as claimed in any one of claims 1-7, further characterized by: The support is a column structure, one end of which is shaped with a circular mounting groove away from the ball head, and a clamping assembly is mounted in the mounting groove; wherein a connecting column is arranged at the center of the mounting groove, and a helical spring is arranged coaxially with the connecting column in the mounting groove; the clamping assembly comprises a fixed block matched with the shape of the mounting groove and a pressing block movably connected with the fixed block, the fixed block is fixedly mounted on the connecting column, the pressing block is located on the side of the fixed block close to the connecting column and abuts against the helical spring; a plurality of spaced-apart clamping claws are distributed around the one side of the fixed block away from the connecting column, the end of the clamping claw is shaped with a clamping platform extending towards the axis of the fixed block; a plurality of spaced-apart sliding holes are also distributed around the one side of the fixed block, a plurality of pressing platforms are formed on the pressing block and can pass through the sliding holes, and the pressing block is movably connected with the fixed block through the sliding fit of the pressing platforms and the sliding holes.

9. A mounting structure for an interior mirror assembly structure, comprising the interior mirror assembly structure of claim 8, characterized by: Further comprising a connecting disc arranged on the vehicle body, one end of the connecting disc is shaped with a connecting boss protruding along the axial direction thereof, the diameter of the connecting boss is smaller than the diameter of the connecting disc and matches the circumference diameter enclosed by the clamping platform on the clamping claw, a plurality of clamping convex ridges extending along the circumferential direction thereof are spaced apart around the connecting boss, the clamping convex ridges and the edge of the connecting disc form a spacing capable of accommodating the clamping platform, the clamping platform can be sleeved on the connecting boss through the spacing between the adjacent clamping convex ridges and enter the spacing formed between the clamping convex ridges and the edge of the connecting disc by rotating, and when the clamping platform enters the spacing between the clamping convex ridges and the connecting disc, the top end of the clamping platform abuts against the connecting disc and the bottom end abuts against the clamping convex ridges.

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