CN219969540U - Rearview mirror and vehicle - Google Patents

Abstract

The utility model relates to the technical field of automobile parts and provides a rearview mirror and a vehicle, wherein the rearview mirror comprises a mirror shell, a connecting piece and a mirror seat, the mirror shell is movably connected with the mirror seat through the connecting piece, the mirror shell comprises a mirror shell body and a first sealing structure which are mutually connected, a cavity is formed by a gap between the mirror shell body and the mirror seat at the connecting piece, and the first sealing structure is arranged at the cavity and is in sealing connection with the mirror seat. Therefore, the first sealing structure can be used for sealing the fit clearance between the mirror shell and the mirror seat at the connecting piece such as the rotating shaft, so that the probability that air flow enters the inner space of the mirror shell and the mirror seat when the vehicle runs at high speed is reduced, the wind noise at the position of the rearview mirror can be reduced, and meanwhile, rainwater can be prevented from flowing into the inner space of the mirror shell and the mirror seat.

Description

Rearview mirror and vehicle

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a rearview mirror and a vehicle.

Background

The automobile rearview mirror is an important part of an automobile, and mainly comprises a mirror shell, a mirror base and a connecting piece for realizing rotation or overturning of the rearview mirror, such as a rotating shaft or an overturning structure. At present, the mirror housing needs to rotate or turn relative to the mirror base, so that a certain fit clearance is usually formed between the mirror base and the mirror housing. When the automobile runs at a high speed, air flow easily enters the inner space of the mirror shell and the mirror seat through the fit clearance, howling is caused, wind noise is generated, and driving experience is reduced. Moreover, due to the existence of the fit clearance, water flow such as rainwater easily flows into the inner spaces of the mirror housing and the mirror base, and affects the lines arranged in the inner spaces of the mirror housing and the mirror base, thereby causing potential safety hazards.

Disclosure of Invention

The utility model solves the problems that: how to improve the tightness between the mirror shell and the mirror seat so as to reduce wind noise at the rearview mirror and improve the safety of the rearview mirror in use.

In order to solve the problems, the utility model provides a rearview mirror, which comprises a mirror shell, a connecting piece and a mirror seat, wherein the mirror shell is rotationally connected with the mirror seat through the connecting piece, the mirror shell comprises a mirror shell body and a first sealing structure which are mutually connected, a gap between the mirror shell body and the mirror seat at the connecting piece forms a cavity, and the first sealing structure is arranged at the cavity and is in sealing connection with the mirror seat.

Optionally, the first seal structure includes seal body and connecting portion, the connecting portion is soft limit structure, seal body's one end connect in mirror shell body, the other end passes through connecting portion with the mirror seat butt is sealed.

Optionally, the mirror seat includes interconnect's mirror seat body and second seal structure, the second shaft hole is located on the mirror seat body, be equipped with the second shaft hole on the mirror seat body, the second seal structure centers on the second shaft hole sets up, and is located mirror shell body with between the mirror seat body, be equipped with first shaft hole on the mirror shell body, the mirror shell with the mirror seat is in first shaft hole with second shaft hole department passes through the connecting piece rotates to be connected, the mirror shell body be in first shaft hole department the position with second seal structure clearance fit, and form the cavity, first seal structure centers on first shaft hole setting, just the second seal structure is located in the region that first seal structure encloses, first seal structure with mirror seat body or second seal structure sealing connection.

Optionally, the first sealing structure is interference fit with the second sealing structure.

Optionally, one end of the first sealing structure far away from the mirror housing body abuts against one end of the second sealing structure far away from the mirror base.

Optionally, one end of the second sealing structure far away from the lens seat stretches into the first shaft hole.

Optionally, the first sealing structure is in abutting sealing with the lens base body, and the first sealing structure is in clearance fit with the second sealing structure.

Optionally, the interference between the connecting part and the lens seat is between 0.5mm and 3.5mm, wherein the interference is the difference between the size of the connecting part before extrusion deformation and the size after extrusion deformation.

Optionally, the surface of the connecting part is sprayed with a wear-resistant coating.

In order to solve the above problems, the present utility model also provides a vehicle including the rearview mirror as described above.

Compared with the prior art, the utility model has the following beneficial effects:

the rearview mirror can be folded and unfolded by arranging the connecting piece between the mirror shell and the mirror seat and enabling the mirror shell to be rotationally connected with the mirror seat through the connecting piece, so that the mirror shell can perform movement such as rotation or overturning relative to the mirror seat. Meanwhile, the first sealing structure is arranged on the mirror shell body of the mirror shell, and is arranged at the cavity formed by the gap between the mirror shell body and the mirror seat at the connecting piece, so that sealing connection is formed by the first sealing structure and the mirror seat in a butt joint mode, and the like.

Drawings

FIG. 1 is a schematic cross-sectional view of a rearview mirror in an embodiment of the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of another embodiment of the rearview mirror;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic cross-sectional view of a rear view mirror according to still another embodiment of the present utility model;

fig. 6 is a partial enlarged view of fig. 5 at C.

Reference numerals illustrate:

1. a mirror housing; 11. a mirror housing body; 111. a first shaft hole; 12. a first sealing structure; 121. a sealing body; 122. a connection part; 2. a connecting piece; 3. a lens base; 31. a lens base body; 311. a second shaft hole; 32. and a second sealing structure.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

The Z-axis in the drawing represents the vertical direction, i.e., the up-down position, wherein the forward direction of the Z-axis represents the up-side and the reverse direction of the Z-axis represents the down-side. It should also be noted that the foregoing Z-axis is provided merely for convenience of description and to simplify the description and is not to be construed as indicating or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

Referring to fig. 1, 3 and 5, an embodiment of the present utility model provides a rearview mirror, which includes a mirror housing 1, a connecting piece 2 and a mirror base 3, wherein the mirror housing 1 is rotationally connected with the mirror base 3 through the connecting piece 2, the mirror housing 1 includes a mirror housing body 11 and a first sealing structure 12 which are mutually connected, a gap between the mirror housing body 11 and the mirror base 3 at the connecting piece 2 forms a cavity, and the first sealing structure 12 is disposed at the cavity and is in sealing connection with the mirror base 3.

Specifically, for the rimless rearview mirror, as shown in fig. 1, 3 and 5, the mirror housing 1 and the mirror base 3 are generally arranged along the up-down direction (i.e., the Z-axis direction in fig. 1) of the vehicle, at this time, the connecting piece 2 is generally a rotating shaft disposed vertically, and the mirror housing 1 and the mirror base 3 are rotatably connected through the rotating shaft, that is, the mirror housing 1 rotates relative to the mirror base 3 to realize folding and unfolding; for the rearview mirror with a frame, the mirror housing 1 and the mirror base 3 are usually arranged along the left-right direction of the vehicle, at this time, the connecting piece 2 is usually a turnover mechanism, and the mirror housing 1 and the mirror base 3 are rotatably connected through the turnover mechanism, that is, the mirror housing 1 is turned relative to the mirror base 3 to realize folding and unfolding. For convenience of description, the present embodiment and the following will be described in detail taking an example in which the mirror housing 1 and the mirror mount 3 are arranged in the up-down direction of the vehicle. Since the mirror housing 1 needs to rotate or turn over relative to the mirror base 3, a certain fit gap exists between the mirror housing body 11 and the mirror base 3 at the connecting piece 2, the fit gap forms a cavity, and the first sealing structure 12 is disposed at the cavity and is in sealing connection with the mirror base 3, so that the first sealing structure 12 seals the cavity.

The rearview mirror in this embodiment may be configured by arranging the connecting piece 2 between the mirror housing 1 and the mirror seat 3, and enabling the mirror housing 1 to be rotationally connected with the mirror seat 3 through the connecting piece 2, so that the mirror housing 1 may perform movement such as rotation or overturning with respect to the mirror seat 3 to achieve folding and unfolding, meanwhile, by arranging the first sealing structure 12 on the mirror housing body 11 of the mirror housing 1, and enabling the first sealing structure 12 to be arranged at the cavity formed by the gap between the mirror housing body 11 and the mirror seat 3 at the connecting piece 2, a sealing connection is formed by using the first sealing structure 12 and the mirror seat 3 in a manner such as abutting, so that a matching gap between the mirror housing 1 and the mirror seat 3 at the connecting piece 2 may be sealed by using the first sealing structure 12, so as to reduce a probability that an air current enters into an inner space of the mirror housing 1 and the mirror seat 3 when a vehicle travels at a high speed, thereby reducing wind noise at the rearview mirror, and simultaneously, also preventing rainwater from flowing into the inner space of the mirror housing 1 and the mirror seat 3, and improving safety and service life of the rearview mirror.

Alternatively, as shown in fig. 2, 4 and 6, the first sealing structure 12 includes a sealing body 121 and a connecting portion 122, the connecting portion 122 is a soft-edge structure, one end of the sealing body 121 is connected to the lens housing body 11, and the other end is sealed with the lens base 3 by extrusion through the connecting portion 122.

In this embodiment, the sealing body 121 is used as a sealing body of the first sealing structure 12 to seal a fit gap between the lens housing 1 and the lens seat 3, the sealing body 121 is generally made of a material such as plastic, the connecting portion 122 is generally made of a soft-edge structure made of a material such as rubber, the hardness of the soft-edge structure is generally controlled between 30SH and 80SH, the hardness of the sealing body 121 is generally greater than the hardness of the connecting portion 122, and the connecting portion 122 and the sealing body 121 are generally integrally formed by a two-material injection molding process. In this way, during the assembly process, the deformation of the soft edge structure can be utilized to absorb the assembly error between the lens shell 1 and the lens base 3, and meanwhile, the friction abnormal sound can be reduced.

Alternatively, the interference between the connecting portion 122 and the lens holder 3 is between 0.5mm and 3.5mm, wherein the interference is the difference between the dimension of the connecting portion 122 before the extrusion deformation and the dimension after the extrusion deformation.

In this embodiment, when the first sealing structure 12 is in contact with and seals with the lens holder body 31 (described later) of the lens holder 3, there is a certain interference between the connecting portion 122 of the first sealing structure 12 and the lens holder body 31 in the up-down direction, and the dimension of the connecting portion 122 in the up-down direction is greater than the interference, that is, the dimension of the first sealing structure 12 in the up-down direction (denoted as a) is greater than the distance between the lens housing body 11 and the lens holder body 31 in the up-down direction (denoted as b), and the interference is the difference between a and b, that is, the difference between the dimension of the connecting portion 122 in the up-down direction before the extrusion deformation and the dimension of the connecting portion 122 in the up-down direction after the extrusion deformation. When the first sealing structure 12 is in contact with the second sealing structure 32 (described later) of the lens seat 3, there is a certain interference between the connecting portion 122 of the first sealing structure 12 and the first sealing structure 12 in the direction perpendicular to the up-down direction, that is, the distance (denoted as c) from the end of the connecting portion 122 away from the sealing body 121 to the axis of the first sealing structure 12 is smaller than the distance (denoted as d) from the outer side wall of the second sealing structure 32 to the axis of the first sealing structure 12, that is, the interference is the difference between d and c, that is, the difference between the dimension of the connecting portion 122 perpendicular to the up-down direction before the extrusion deformation and the dimension perpendicular to the up-down direction after the extrusion deformation. If the interference amount is set too large, the difficulty in assembly increases, and if the interference amount is set too small, the sealing effect of the first sealing structure 12 tends to be poor. The interference between the connecting portion 122 and the lens base body 31 or between the connecting portion 122 and the second sealing structure 32 is set between 0.5mm and 3.5mm in this embodiment, so as to improve the sealing effect of the first sealing structure 12 under the condition of convenient assembly, and ensure the effectiveness of sealing.

Optionally, the surface of the connection portion 122 is sprayed with a wear-resistant coating. In this way, the connection portion 122 can be prevented from being worn greatly during the assembly process, so that not only the sealing effect of the first sealing structure 12 can be ensured, but also the service life of the first sealing structure 12 can be prolonged.

Alternatively, as shown in fig. 2, 4 and 6, the mirror base 3 includes a mirror base body 31 and a second sealing structure 32 that are connected to each other, a second shaft hole 311 is provided on the mirror base body 31, the second sealing structure 32 is disposed around the second shaft hole 311 and is located between the mirror housing body 11 and the mirror base body 31, a first shaft hole 111 is provided on the mirror housing body 11, the mirror housing 1 and the mirror base 3 are rotationally connected at the first shaft hole 111 and the second shaft hole 311 through a connecting piece 2, a portion of the mirror housing body 11 at the first shaft hole 111 is in clearance fit with the second sealing structure 32 and forms the cavity, the first sealing structure 12 is disposed around the first shaft hole 111, and the second sealing structure 32 is located in an area surrounded by the first sealing structure 12, and the first sealing structure 12 is in sealing connection with the mirror base body 31 or the second sealing structure 32.

Specifically, the first shaft hole 111 is generally provided at the bottom of the mirror housing 1, the second shaft hole 311 is generally provided at the top of the mirror base 3, and the first shaft hole 111 and the second shaft hole 311 are generally coaxially provided. The connecting piece is usually a rotating shaft, the upper end of the rotating shaft extends into the first shaft hole 111, the lower end of the rotating shaft extends into the second shaft hole 311, wherein one end of the rotating shaft can be rotationally connected with the mirror housing body 11 at the first shaft hole 111, the other end of the rotating shaft can be detachably fixed on the mirror base 3, or one end of the rotating shaft can be detachably fixed in the mirror housing body 11, and the other end of the rotating shaft is rotationally connected with the mirror base 3, so that the mirror housing can be selectively arranged according to the needs in practical application. The first sealing structure 12 is an annular boss structure disposed around the first shaft hole 111, and may be disposed at the edge of the first shaft hole 111, or may be disposed at a position where the bottom of the mirror housing body 11 is spaced from the edge of the first shaft hole 111, and examples of the first sealing structure 12 disposed at the edge of the first shaft hole 111 are given in fig. 1, 3 and 5. Similarly, the second sealing structure 32 is an annular boss structure disposed around the second shaft hole 311, and the second sealing structure 32 may be disposed at the edge of the second shaft hole 311, or may be disposed at a position spaced from the edge of the second shaft hole 311 at the top of the lens holder body 31, and examples of the second sealing structure 32 disposed at the edge of the second shaft hole 311 are given in fig. 2, 4 and 6. The first seal structure 12 may be in sealing connection with the lens holder body 31 of the lens holder 3 by abutting, or in sealing connection with the second seal structure 32 of the lens holder 3 by abutting. When the first sealing structure 12 is in contact with the lens base body 31, the first sealing structure 12 may be an annular boss structure with a geometric shape such as a circular ring, an elliptical ring or a rectangular ring, and when the first sealing structure 12 is in contact with the second sealing structure 32 for sealing, the shape of the first sealing structure 12 is matched with the shape of the second sealing structure 32, that is, if the second sealing structure 32 is an annular boss structure, the first sealing structure 12 is also an annular boss structure, and if the second sealing structure 32 is a rectangular annular boss structure, the first sealing structure 12 is also a rectangular annular boss structure. The second sealing structure 32 is located in the area surrounded by the first sealing structure 12, that is, the first sealing structure 12 is sleeved on the second sealing structure 32. One end of the first sealing structure 12 is connected to the lens housing body 11, and the other end of the first sealing structure may extend to the second sealing structure 32 or may extend to the lens base body 31. When the first sealing structure 12 is in abutting sealing with the second sealing structure 32, the other end of the first sealing structure 12 extends onto the second sealing structure 32, at this time, the first sealing structure 12 may form a sealing connection with the second sealing structure 32 in an interference fit (at this time, the first sealing structure 12 may be regarded as a hole, the second sealing structure 32 may be regarded as a shaft), as shown in fig. 2 and fig. 4, when the first sealing structure 12 is in abutting sealing with the lens base body 31, the other end of the first sealing structure 12 extends onto the lens base body 31 and forms a sealing connection with the lens base body 31 through abutting, as shown in fig. 6, and in practical application, the sealing connection may be selected as required.

In this embodiment, the second sealing structure 32 may be disposed on the lens base body 31, and the second sealing structure 32 is disposed around the second shaft hole 311, so that the second sealing structure 32 is used to block the air flow or the water flow from the second shaft hole 311 into the inner space of the lens base 3, and thus, the second sealing structure 32 and the first sealing structure 12 form a dual sealing guarantee, so that the wind noise at the rearview mirror can be further reduced.

Alternatively, as shown in fig. 1, 3 and 5, an end of the second sealing structure 32, which is far away from the lens base body 31, extends into the first shaft hole 111.

In this embodiment, the lower end of the second sealing structure 32 (i.e. the end of the second sealing structure 32 opposite to the Z-axis in fig. 1) is connected to the lens holder body 31, and the upper end of the second sealing structure 32 (i.e. the end of the second sealing structure 32 opposite to the Z-axis in fig. 1) extends into the first shaft hole 111, so that the blocking area of the second sealing structure 32 for blocking the airflow or the water flow can be increased, thereby improving the sealing effect.

Alternatively, as shown in connection with fig. 2 and 4, the first seal structure 12 is an interference fit with the second seal structure 32.

In this embodiment, the first sealing structure 12 may be regarded as a hole, the second sealing structure 32 may be regarded as a shaft, and the opening area surrounded by the first sealing structure 12 is smaller than the area surrounded by the outer contour of the orthographic projection of the second sealing structure 32 on the plane perpendicular to the axis of the second sealing structure 32, for example, when the first sealing structure 12 and the second sealing structure 32 are annular boss structures, the inner diameter of the first sealing structure 12 is smaller than the outer diameter of the second sealing structure 32, so that the first sealing structure 12 and the second sealing structure 32 form an interference fit when assembled. Like this, through with first seal structure 12 with second seal structure 32 interference fit realize sealing connection between first seal structure 12 and the mirror seat 3, not only simple structure, sealed effectual, moreover, compare with first seal structure 12 and mirror seat body 31 sealing connection, first seal structure 12 need not to extend to on the mirror seat body 31 to can reduce first seal structure 12's volume and consumptive material, and then can alleviate the weight of mirror shell 1, the lightweight design of being convenient for.

Alternatively, as shown in fig. 2, an end of the first sealing structure 12 away from the lens housing body 11 abuts against an end of the second sealing structure 32 away from the lens base body 31.

In this embodiment, the end of the first sealing structure 12 far from the mirror housing body 11 extends onto the second sealing structure 32 along the direction perpendicular to the axial direction of the first shaft hole 111, and is in abutting sealing with the outer side of the upper end of the second sealing structure 32, that is, the lower end of the first sealing structure 12 is wrapped at the upper end of the second sealing structure 32, and the two ends are in abutting sealing. In this way, the volume of the first seal structure 12 can be further reduced while ensuring the sealing effect between the first seal structure 12 and the second seal structure 32.

Alternatively, as shown in connection with fig. 6, the first sealing structure 12 is sealed against the lens base body 31, and the first sealing structure 12 is clearance fit with the second sealing structure 32.

In the present embodiment, the first sealing structure 12 extends along the axial direction of the first shaft hole 111 and abuts against the upper end surface of the lens base body 31, that is, the upper end of the first sealing structure 12 is connected to the lens housing body 11, and the lower end abuts against the lens base body 31, so as to realize extrusion sealing between the first sealing structure 12 and the lens base 3; meanwhile, a certain distance is reserved between the first sealing structure 12 and the second sealing structure 32, namely the first sealing structure 12 can be regarded as a hole, the second sealing structure 32 can be regarded as a shaft, and the first sealing structure 12 and the second sealing structure 32 form clearance fit, so that friction between the first sealing structure 12 and the second sealing structure 32 can be avoided in the assembly process, and the assembly difficulty is reduced.

Another embodiment of the utility model provides a vehicle comprising a rear view mirror as described above.

In this embodiment, the vehicle further includes a body, and the rear view mirror is generally mounted on both left and right sides of the exterior of the body. In addition, the beneficial effects of the vehicle in this embodiment compared to the prior art are the same as those of the rearview mirror described above, and the description thereof will not be repeated here.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a rear-view mirror, its characterized in that includes mirror shell (1), connecting piece (2) and mirror seat (3), mirror shell (1) pass through connecting piece (2) with mirror seat (3) rotate and are connected, mirror shell (1) include interconnect's mirror shell body (11) and first seal structure (12), mirror shell body (11) with mirror seat (3) are in the clearance of connecting piece (2) department constitutes the cavity, first seal structure (12) are located cavity department, and with mirror seat (3) sealing connection.

2. A rear view mirror according to claim 1, characterized in that the first sealing structure (12) comprises a sealing body (121) and a connecting portion (122), the connecting portion (122) is of a soft edge structure, one end of the sealing body (121) is connected to the mirror housing body (11), and the other end is sealed with the mirror base (3) by extrusion through the connecting portion (122).

3. Rearview mirror according to claim 1, characterized in that the mirror base (3) comprises a mirror base body (31) and a second sealing structure (32) which are connected with each other, a second shaft hole (311) is formed in the mirror base body (31), the second sealing structure (32) is arranged around the second shaft hole (311) and is located between the mirror housing body (11) and the mirror base body (31), a first shaft hole (111) is formed in the mirror housing body (11), the mirror housing (1) and the mirror base (3) are connected with each other in a rotating mode through the connecting piece (2) at the first shaft hole (111) and the second shaft hole (311), the mirror housing body (11) is in clearance fit with the second sealing structure (32) at the position of the first shaft hole (111) and forms the cavity, the first sealing structure (12) is arranged around the first shaft hole (111), and the second sealing structure (32) is located in the first sealing structure (12) and forms the first sealing structure (31) or the second sealing structure (32).

4. A rear view mirror according to claim 3, characterized in that the first sealing structure (12) is an interference fit with the second sealing structure (32).

5. A rear view mirror according to claim 4, characterized in that the end of the first sealing structure (12) remote from the mirror housing body (11) abuts against the end of the second sealing structure (32) remote from the mirror base body (31).

6. A rear view mirror according to claim 3, characterized in that the end of the second sealing structure (32) remote from the mirror base body (31) extends into the first shaft hole (111).

7. A rear view mirror according to claim 3, characterized in that the first sealing structure (12) is sealed against the mirror base body (31) and that the first sealing structure (12) is in a clearance fit with the second sealing structure (32).

8. A rear view mirror according to claim 2, characterized in that the interference between the connection part (122) and the mirror base (3) is between 0.5mm and 3.5mm, wherein the interference is the difference between the dimension of the connection part (122) before and after the press deformation.

9. A rear view mirror according to claim 2, characterized in that the surface of the connection part (122) is provided with a wear-resistant coating.

10. A vehicle comprising a rear view mirror according to any one of claims 1-9.