Rearview mirror adjustment mechanism, rearview mirror assembly and vehicle

Abstract

This utility model discloses a rearview mirror adjustment mechanism, a rearview mirror assembly, and a vehicle, relating to the field of rearview mirror technology. The rearview mirror adjustment mechanism includes a fixed base, a rotating arm, an elastic element, a rearview mirror connecting rod, and a locking element. The fixed base has a first tooth. One end of the rotating arm is rotatably connected to the fixed base, and the rotating arm has a second tooth that meshes with the first tooth. The elastic element provides support to the rotating arm in the vertical direction, ensuring that the second tooth remains engaged with the first tooth. When the rotating arm is rotated, the second tooth disengages from the first tooth. One end of the rearview mirror connecting rod is slidably connected to the other end of the rotating arm, and the rearview mirror connecting rod can rotate relative to the rotating arm. The locking element is used to lock or unlock the position of the rearview mirror connecting rod. It has a total of three degrees of freedom. Compared to existing rearview mirrors, the rearview mirror in this embodiment has a wider adjustable range, which is beneficial for the driver to observe oncoming vehicles and road conditions.

Description

Technical Field

[0001] This utility model relates to the field of rearview mirrors and related technologies, and particularly to rearview mirror adjustment mechanisms, rearview mirror assemblies, and vehicles. Background Technology

[0002] For existing rearview mirrors on large vehicles, the angle can generally be adjusted by rotating the mirror. However, existing rearview mirrors can generally only rotate around a vertical axis, which has low adjustment flexibility and a small range of adjustable angles, making it difficult for drivers to observe vehicles and road conditions behind them. Utility Model Content

[0003] This utility model aims to solve the technical problems existing in the prior art. To this end, this utility model proposes a rearview mirror adjustment mechanism, a rearview mirror assembly, and a vehicle, which has a total of three degrees of freedom. Compared with existing rearview mirrors, the rearview mirror of this embodiment has a wider adjustment range, which is beneficial for the driver to observe oncoming vehicles and road conditions.

[0004] The rearview mirror adjustment mechanism according to a first aspect embodiment of the present invention includes:

[0005] The fixing seat has a first toothed portion;

[0006] A rotating arm, one end of which is rotatably connected to a fixed base, the axis of rotation of the rotating arm is set in the vertical direction, and the rotating arm has a second tooth that meshes with the first tooth. Both the first tooth and the second tooth are arranged around the axis of rotation of the rotating arm.

[0007] The elastic element is used to provide support force to the rotating arm in the vertical direction so that the second tooth remains engaged with the first tooth. When the rotating arm is rotated, the second tooth can disengage from the first tooth and cause the rotating arm to compress the elastic element and move downward relative to the fixed seat.

[0008] The rearview mirror connecting rod has one end telescopically and slidably connected to the other end of the rotating arm, and the rearview mirror connecting rod can rotate relative to the rotating arm. The rotation axis of the rearview mirror connecting rod is set in the horizontal direction, and the other end of the rearview mirror connecting rod is used to fix it to the rearview mirror body.

[0009] A locking element is inserted through the rotating arm and abuts against the rearview mirror connecting rod. The locking element is used to lock or unlock the position of the rearview mirror connecting rod.

[0010] The rearview mirror adjustment mechanism according to the present invention has at least the following beneficial effects: the rotating arm can rotate relative to the fixed seat, thus having one degree of rotational freedom; the rearview mirror connecting rod can extend and retract relative to the rotating arm in a straight line, thus having one degree of translational freedom; the rearview mirror connecting rod can also rotate relative to the rotating arm; the rotation axis of the rearview mirror connecting rod is perpendicular to the rotation axis of the rotating arm, thus having one degree of rotational freedom; and a total of three degrees of freedom. Compared with existing rearview mirrors, the rearview mirror of this embodiment has a wider adjustable range, which is beneficial for the driver to observe vehicles approaching from behind and road conditions.

[0011] In some embodiments, the first tooth portion includes a plurality of wave-shaped teeth arranged around the axis of rotation, and the second tooth portion includes a plurality of n-shaped teeth arranged around the axis of rotation.

[0012] In some embodiments, the rearview mirror adjustment mechanism further includes a rotating shaft, a fixed base is a sleeve structure, the rotating shaft passes through the fixed base, a washer is provided on the outer periphery of the rotating shaft, an elastic element is sleeved on the outer periphery of the rotating shaft and located inside the fixed base, the upper end of the elastic element abuts against the lower end of the washer, the lower end of the elastic element abuts against the fixed base, and the rotating arm includes an upper housing and a lower housing that are detachably connected to each other. The upper housing is fixedly connected to the upper end of the rotating shaft, the lower housing is fixedly connected to the lower end of the rotating shaft, and the upper housing abuts against the upper end of the washer.

[0013] In some embodiments, the rearview mirror adjustment mechanism further includes a first gear ring and a second gear ring, both of which are sleeved on the outer periphery of the rotating shaft. The first gear ring is located above the second gear ring. The lower housing has a sleeve portion, through which the rotating shaft passes. The first gear ring and the second gear ring are located inside the sleeve portion. A first tooth is formed at the lower end of the first gear ring, and a second tooth is formed at the upper end of the second gear ring. A third tooth is provided at the upper end of the first gear ring, and a fourth tooth is provided at the lower end of the fixing seat to mesh with the third tooth. A groove is provided at the lower end of the second gear ring, and a protrusion that engages with the groove is provided on the upper end face of the sleeve portion.

[0014] In some embodiments, the third and fourth tooth portions each include a plurality of trapezoidal teeth arranged around the axis of rotation.

[0015] In some embodiments, the rearview mirror adjustment mechanism further includes a locking nut, and the lower housing is provided with a first positioning groove for installing the locking nut, and the locking member is threadedly connected to the locking nut.

[0016] In some embodiments, the rearview mirror adjustment mechanism further includes an upper locking sleeve and a lower locking sleeve, which are located inside the rotating arm. The rearview mirror connecting rod is clamped between the upper locking sleeve and the lower locking sleeve. The outer walls of the upper locking sleeve and the lower locking sleeve are provided with positioning structures, and the inner wall of the rotating arm is provided with a second positioning groove that cooperates with the positioning structures.

[0017] The rearview mirror assembly according to a second aspect of the present invention includes the rearview mirror adjustment mechanism of the first aspect embodiment.

[0018] The rearview mirror assembly according to the present utility model includes the rearview mirror adjustment mechanism and the rearview mirror body of the first aspect embodiment, and the rearview mirror body is fixedly connected to the rearview mirror connecting rod. Therefore, it has at least the above-mentioned beneficial effects, which will not be repeated here.

[0019] The vehicle according to a third aspect embodiment of the present invention includes a rearview mirror assembly according to the second aspect embodiment.

[0020] The vehicle according to the present utility model embodiment has at least the above-mentioned beneficial effects since it includes the rearview mirror assembly of the second aspect embodiment, which will not be repeated here.

[0021] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0023] Figure 1 This is a schematic diagram of the structure of a rearview mirror assembly according to some embodiments of the present invention;

[0024] Figure 2 This is an exploded view of a rearview mirror assembly according to some embodiments of the present invention;

[0025] Figure 3 This is an exploded view of a rearview mirror assembly according to some embodiments of the present invention;

[0026] Figure 4 This is a cross-sectional view of a rearview mirror assembly according to some embodiments of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the mounting base, rotating shaft, first gear ring, and second gear ring of the rearview mirror assembly according to some embodiments of the present utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the lower housing of the rotating arm of the rearview mirror assembly according to some embodiments of the present invention;

[0029] Figure 7 This is a partial schematic diagram of the lower housing of the rotating arm of the rearview mirror assembly according to some embodiments of the present invention.

[0030] Figure 8 This is a schematic diagram of the upper and lower locking sleeves of the rearview mirror assembly according to some embodiments of the present invention;

[0031] Figure 9 This is a schematic diagram of the structure of the first and second gear rings of the rearview mirror assembly according to some embodiments of the present invention.

[0032] Figure label:

[0033] Fixing base 10, fourth tooth 11;

[0034] Rotating arm 20, upper housing 21, lower housing 22, sleeve part 23, slot 24, protrusion 25, first positioning groove 26, second positioning groove 27, upper locking sleeve 28, lower locking sleeve 29, positioning structure 291;

[0035] Elastic element 30;

[0036] Rearview mirror connecting rod 40;

[0037] Rearview mirror body 50;

[0038] Locking component 60, locking nut 61;

[0039] Shaft 70, washer 71, retaining pin 72, pin hole 73;

[0040] First tooth ring 80, first tooth section 81, wavy tooth 82, third tooth section 83;

[0041] Second tooth ring 90, second tooth section 91, n-shaped tooth 92. Detailed Implementation

[0042] Reference Figure 1 As shown in the figure, a rearview mirror adjustment mechanism provided in this embodiment of the present invention includes a fixed base 10, a rotating arm 20, and a rearview mirror connecting rod 40. The fixed base 10 is fixedly connected to the vehicle door and remains stationary. One end of the rotating arm 20 is rotatably connected to the fixed base 10. The rotating arm 20 can rotate around axis X1, with a rotation range of 0-180 degrees, thus having one degree of rotational freedom.

[0043] Reference Figure 1As shown, the rearview mirror connecting rod 40 is a cylindrical structure. One end of the rearview mirror connecting rod 40 is telescopically slidably connected to the other end of the rotating arm 20, and the other end is fixedly connected to the rearview mirror body 50. A locking member 60 passes through the rotating arm 20 and abuts against the rearview mirror connecting rod 40. By rotating the locking member 60, the position of the rearview mirror connecting rod 40 can be locked or unlocked. After unlocking the locking member 60, the rearview mirror connecting rod 40 can telescopically move along the linear direction of axis X2, with a range of movement of 0-130mm, thus possessing one degree of translational freedom. The rearview mirror connecting rod 40 can also rotate relative to the rotating arm 20 around axis X2, with a rotation range of 0-360 degrees, thus possessing one degree of rotational freedom. The rearview mirror of this embodiment has a total of three degrees of freedom. Compared with existing rearview mirrors, the rearview mirror of this embodiment has a wider and more extensive adjustable range, allowing the driver to see a larger area.

[0044] The following section will detail the internal structure and working principle of the rearview mirror adjustment mechanism. (Refer to...) Figures 1 to 3 The diagram shown is a schematic of the internal structure layout of the rearview mirror adjustment mechanism.

[0045] Reference Figure 4 and Figure 5 As shown, the rearview mirror adjustment mechanism also includes an elastic element 30 and a rotating shaft 70. The rotating arm 20 is rotatably connected to the fixed seat 10 via the rotating shaft 70. The fixed seat 10 is a sleeve structure. The rotating shaft 70 passes through the fixed seat 10 in the vertical direction. The elastic element 30 is sleeved on the outer periphery of the rotating shaft 70 and located inside the fixed seat 10. The fixed seat 10 can cover the elastic element 30, providing a certain degree of protection for it. A washer 71 is provided on the outer periphery of the rotating shaft 70. The number of washers 71 can be one or more. The upper end of the elastic element 30 abuts against the lower end of the washer 71, and the lower end of the elastic element 30 abuts against the fixed seat 10. The rotating arm 20 includes an upper housing 21 and a lower housing 22 that are detachably connected to each other. The upper housing 21 and the lower housing 22 can be connected by screws or clips. The upper housing 21 abuts against the upper end of the washer 71, as shown in the figure. Figure 7 As shown, both the upper housing 21 and the lower housing 22 are provided with pin holes 73 that mate with the locking pin 72. The locking pin 72 is laterally inserted through the rotating shaft 70. Both the upper housing 21 and the lower housing 22 are fixedly connected to the rotating shaft 70 through the locking pin 72, thereby enabling the rotating arm 20 and the rotating shaft 70 to rotate synchronously. In this embodiment, the arrangement of the upper housing 21 and the lower housing 22 facilitates the installation of internal component structures.

[0046] Reference Figure 4 and Figure 5 As shown, the fixing base 10 has a first tooth 81, and the first tooth 81 is wrapped around Figure 1The axis X1 is set. It should be noted that the first tooth 81 can be directly formed on the fixed base 10, or a separate gear ring can be provided, and the first tooth 81 can be set on the gear ring. The rotating arm 20 has a second tooth 91 that meshes with the first tooth 81. It should be noted that the second tooth 91 can be directly formed on the rotating arm 20, or a separate gear ring can be provided, and the second tooth 91 can be set on the gear ring. The second tooth 91 also rotates around... Figure 1 The axis X1 setting.

[0047] Reference Figure 4 and Figure 5 As shown, with the entire structure installed, the elastic element 30 is in a compressed state. The elastic element 30 provides support for the rotating arm 20 in the vertical direction, thereby keeping the second tooth 91 engaged with the first tooth 81. When it is necessary to adjust the position of the rearview mirror body 50, the rotating arm 20 can be rotated directly. The rotating arm 20 drives the second tooth 91 to rotate, while the first tooth 81 remains stationary. The second tooth 91 can disengage from or cross the first tooth 81, pushing the rotating arm 20 downwards, further compressing the elastic element 30. At this time, the rotating arm 20 moves downwards relative to the fixed seat 10. When the rotating arm 20 rotates to the appropriate position, under the force of the elastic element 30, the first tooth 81 and the second tooth 91 can re-engage, allowing the rotating arm 20 to remain stationary in a specific position.

[0048] Reference Figure 5 and Figure 9As shown, the rearview mirror adjustment mechanism also includes a first gear ring 80 and a second gear ring 90. Both the first gear ring 80 and the second gear ring 90 are fitted around the outer periphery of the rotating shaft 70, with the first gear ring 80 located above the second gear ring 90. A first tooth portion 81 is formed on the lower end face of the first gear ring 80, and a second tooth portion 91 is formed on the upper end face of the second gear ring 90. The first gear ring 80 and the second gear ring 90 can be understood as having a structure similar to a crown gear. The first tooth portion 81 includes a plurality of wavy teeth 82 arranged around the axis of the rotating shaft 70. This can be understood as the tooth surface at the lower end of the first gear ring 80 being wavy. The second tooth portion 91 includes a plurality of n-shaped teeth 92 arranged around the axis of the rotating shaft 70, with the top of the n-shaped teeth 92 having an arc-shaped tooth surface. In some other embodiments, the tooth surfaces of the first tooth portion 81 and the second tooth portion 91 can also be provided with other types of curved surface shapes, as long as the second tooth portion 91 can cross the first tooth portion 81 when the second gear ring 90 rotates. When the second gear ring 90 rotates, the n-shaped tooth 92 contacts the wavy tooth 82. The wavy surface of the wavy tooth 82 guides the n-shaped tooth 92 to cross the wavy tooth 82, causing the second gear ring 90 to move downward relative to the first gear ring 80 during rotation. This changes the position of the second gear ring 90 relative to the first gear ring 80, which can also be understood as the second gear ring 90 and the first gear ring 80 engaging in a misaligned mesh, thereby adjusting the rotation angle of the rotating arm 20. The more teeth the first gear portion 81 and the second gear portion 91 have, the more adjustable positions the rotating arm 20 can have.

[0049] Reference Figure 5 and Figure 9 As shown, the upper end face of the first gear ring 80 is also provided with a third tooth portion 83, and the lower end face of the fixing seat 10 is provided with a fourth tooth portion 11 that meshes with the third tooth portion 83. The third tooth portion 83 and the fourth tooth portion 11 each include a plurality of trapezoidal teeth 92 arranged around the axis of the rotating shaft 70. The tooth surfaces of the third tooth portion 83 and the fourth tooth portion 11 are both trapezoidal in shape. With this arrangement, when the third tooth portion 83 and the fourth tooth portion 11 are engaged, the first gear ring 80 will not rotate relative to the fixing seat 10, thereby locking the first gear ring 80. The lower housing 22 has a sleeve portion 23, through which the rotating shaft 70 passes. The first gear ring 80 and the second gear ring 90 are both located inside the sleeve portion 23. The lower end face of the second gear ring 90 is also provided with a groove 24, as shown in the figure. Figure 6As shown, the upper end face inside the sleeve portion 23 is provided with a protrusion 25 that mates with the slot 24. With this configuration, when the protrusion 25 engages with the slot 24, the second gear ring 90 will not rotate relative to the lower housing 22. The second gear ring 90 and the lower housing 22 rotate synchronously. When the rotating arm 20 is rotated, the rotating arm 20 will drive the second gear ring 90 to rotate together. The second tooth 91 at the upper end of the second gear ring 90 will disengage from or cross the first tooth 81. The first tooth 81 pushes the second gear ring 90 downward, causing the second tooth 91 to be misaligned with the first tooth 81. The rotating arm 20 and the rotating shaft 70 are pushed downward by the first gear ring 80. The rotating shaft 70 further compresses the elastic element 30 downward through the washer 71. When the rotating arm 20 rotates to the appropriate position, under the force of the elastic element 30, the rotating arm 20 and the rotating shaft 70 move upward to reset, so that the second tooth 91 and the first tooth 81 re-engage, thereby locking the position of the rotating arm 20.

[0050] Reference Figure 3 and Figure 6 As shown, the rearview mirror adjustment mechanism also includes a locking nut 61. The inner wall of the lower housing 22 is provided with a first positioning groove 26 for installing the locking nut 61. The first positioning groove 26 is a hexagonal groove, and the locking nut 61 can be directly placed in the first positioning groove 26. The first positioning groove 26 can restrict the rotation of the locking nut 61. The locking member 60 is threadedly connected to the locking nut 61. The locking member 60 is a knob structure. When the locking member 60 is rotated, the locking member 60 will move up and down relative to the locking nut 61. When the end of the locking member 60 abuts against the rearview mirror connecting rod 40, the position of the rearview mirror connecting rod 40 can be locked. In some other embodiments, the locking member 60 can also be directly threadedly connected to the rotating arm 20.

[0051] Reference Figure 3 , Figure 6 and Figure 8 As shown, the rearview mirror adjustment mechanism also includes an upper locking sleeve 28 and a lower locking sleeve 29, which are located inside the rotating arm 20. The rearview mirror connecting rod 40 is clamped between the upper locking sleeve 28 and the lower locking sleeve 29. The upper locking sleeve 28 and the lower locking sleeve 29 together form a hollow cylindrical structure. The outer walls of both the upper locking sleeve 28 and the lower locking sleeve 29 are provided with protruding positioning structures 291. The positioning structure 291 can be a cylindrical boss structure or an arc-shaped structure. The inner wall of the rotating arm 20 is provided with a second positioning groove 27 that cooperates with the positioning structure 291. After the positioning structure 291 is engaged with the second positioning groove 27, the position of the upper locking sleeve 28 and the lower locking sleeve 29 can be locked, restricting the upper locking sleeve 28 and the lower locking sleeve 29 from moving along the axis of rotation. Figure 1When the axis X1 moves, the rearview mirror connecting rod 40 generates a frictional damping force between the rearview mirror connecting rod 40 and the upper locking sleeve 28 and the lower locking sleeve 29. In this embodiment, the contact area with the rearview mirror connecting rod 40 is increased by setting the upper locking sleeve 28 and the lower locking sleeve 29. The upper locking sleeve 28 and the lower locking sleeve 29 can be made of rubber or other similar materials to increase the sliding friction force acting on the rearview mirror connecting rod 40, making the rearview mirror connecting rod 40 less likely to loosen and maintaining a good locked state. It can also prevent the rearview mirror connecting rod 40 from being pulled out of the rotating arm 20 due to excessive force.

[0052] This embodiment of the invention also provides a rearview mirror adjustment assembly. The rearview mirror adjustment assembly includes the aforementioned rearview mirror adjustment mechanism and a rearview mirror body 50. The rearview mirror adjustment assembly is specifically designed for use in large vehicles that employ manually adjustable rearview mirrors, such as buses, public buses, and large trucks.

[0053] This utility model embodiment also provides a vehicle, which includes the above-described rearview mirror assembly.

[0054] Examples of the embodiments described above are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described above with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0055] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0056] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0057] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0058] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A rear-view mirror adjusting mechanism, characterized by comprising: include: The fixing seat has a first toothed portion; A rotating arm, one end of which is rotatably connected to the fixed base, the rotation axis of the rotating arm is arranged in the vertical direction, and the rotating arm has a second tooth that meshes with the first tooth. Both the first tooth and the second tooth are arranged around the rotation axis of the rotating arm. An elastic element is used to provide a supporting force to the rotating arm in the vertical direction so that the second tooth remains engaged with the first tooth. When the rotating arm is rotated, the second tooth can disengage from the first tooth, and the rotating arm compresses the elastic element and moves downward relative to the fixed seat. A rearview mirror connecting rod, one end of which is telescopically and slidably connected to the other end of the rotating arm, and the rearview mirror connecting rod can rotate relative to the rotating arm. The rotation axis of the rearview mirror connecting rod is set in the horizontal direction, and the other end of the rearview mirror connecting rod is used for fixed connection with the rearview mirror body. A locking element is inserted through the rotating arm and abuts against the rearview mirror connecting rod. The locking element is used to lock or unlock the position of the rearview mirror connecting rod.

2. The mirror adjustment mechanism according to claim 1, characterized in that The first tooth portion includes a plurality of wave-shaped teeth arranged around the axis of the rotating shaft, and the second tooth portion includes a plurality of n-shaped teeth arranged around the axis of the rotating shaft.

3. The mirror adjustment mechanism according to claim 1, characterized by The rearview mirror adjustment mechanism also includes a rotating shaft. The fixed seat is a sleeve structure. The rotating shaft passes through the fixed seat. A washer is provided on the outer periphery of the rotating shaft. The elastic element is sleeved on the outer periphery of the rotating shaft and located inside the fixed seat. The upper end of the elastic element abuts against the lower end of the washer, and the lower end of the elastic element abuts against the fixed seat. The rotating arm includes an upper housing and a lower housing that are detachably connected to each other. The upper housing is fixedly connected to the upper end of the rotating shaft, and the lower housing is fixedly connected to the lower end of the rotating shaft. The upper housing abuts against the upper end of the washer.

4. The mirror adjustment mechanism according to claim 3, wherein The rearview mirror adjustment mechanism further includes a first gear ring and a second gear ring. Both the first gear ring and the second gear ring are sleeved on the outer periphery of the rotating shaft. The first gear ring is located above the second gear ring. The lower housing has a sleeve portion. The rotating shaft passes through the sleeve portion. The first gear ring and the second gear ring are located inside the sleeve portion. The first tooth is formed at the lower end of the first gear ring, and the second tooth is formed at the upper end of the second gear ring. The upper end of the first gear ring is provided with a third tooth. The lower end of the fixing seat is provided with a fourth tooth that meshes with the third tooth. The lower end of the second gear ring is provided with a groove. The upper end face of the sleeve portion is provided with a protrusion that cooperates with the groove.

5. The mirror adjustment mechanism according to claim 4, wherein The third tooth section and the fourth tooth section each include a plurality of trapezoidal teeth arranged around the axis of the rotating shaft.

6. The mirror adjustment mechanism according to claim 3, wherein The rearview mirror adjustment mechanism also includes a locking nut, and the lower housing is provided with a first positioning groove for installing the locking nut. The locking member is threadedly connected to the locking nut.

7. The mirror adjustment mechanism according to claim 1, wherein The rearview mirror adjustment mechanism also includes an upper locking sleeve and a lower locking sleeve, which are located inside the rotating arm. The rearview mirror connecting rod is clamped between the upper locking sleeve and the lower locking sleeve. The outer walls of the upper locking sleeve and the lower locking sleeve are provided with positioning structures, and the inner wall of the rotating arm is provided with a second positioning groove that cooperates with the positioning structures.

8. A rearview mirror assembly characterized by, include: The rearview mirror adjustment mechanism according to any one of claims 1 to 7; The rearview mirror body is fixedly connected to the rearview mirror connecting rod.

9. Vehicle, characterized in that Includes the rearview mirror assembly as described in claim 8.

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