CN215436218U - Two-way spacing revolution mechanic of automobile exterior mirror - Google Patents
Two-way spacing revolution mechanic of automobile exterior mirror Download PDFInfo
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- CN215436218U CN215436218U CN202023280885.5U CN202023280885U CN215436218U CN 215436218 U CN215436218 U CN 215436218U CN 202023280885 U CN202023280885 U CN 202023280885U CN 215436218 U CN215436218 U CN 215436218U
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- arc groove
- limiting
- spacing
- support
- circular arc
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Abstract
The utility model discloses a bidirectional limiting rotation structure of an automobile exterior rearview mirror, which comprises an installation seat and a rotation shell, wherein a first limiting support and a second limiting support are arranged at the upper end of the installation seat, a first arc groove and a second arc groove which are concentric are formed in the edge of the lower end of the rotation shell, the first limiting support is rotatably installed in the first arc groove, the second limiting support is rotatably installed in the second arc groove, a first limiting point and a third limiting point are respectively arranged at the two ends of the first arc groove, the rotation of the first limiting support is limited in a bidirectional mode, a second limiting point and a fourth limiting point are respectively arranged at the two ends of the second arc groove, and the rotation of the second limiting support is limited in a bidirectional mode. The utility model enhances the reliability of the limit characteristic in the rotation process of the rearview mirror and prolongs the service life of the product.
Description
Technical Field
The utility model relates to a bidirectional limiting rotation structure of an automobile outer rearview mirror.
Background
The automobile exterior rear-view mirror has a rotary folding function, and the structure composition for realizing the rotary folding of the automobile exterior rear-view mirror in the prior art is shown in figures 1 to 3 and comprises a mounting seat 1 and a rotary shell 2, wherein the rotary shell 2 is rotationally matched with the mounting seat 1 to realize rotation, a lower shell 3 of the rear-view mirror is shown in figure 1 as a reference characteristic, the mounting seat 1 is connected with an automobile body, and the rotary shell 2 is a structural component inside the rear-view mirror. The upper end of the mounting seat 1 is provided with a limiting support 1a and a limiting support 1b, the inner edge of the lower end of the rotating shell 2 is provided with a first arc groove 21 and a second arc groove 22 which are concentric, the limiting support 1a is rotatably arranged in the first arc groove 21, the limiting support 1b is rotatably arranged in the second arc groove, one end of the first arc groove 21 is a first limiting point 21a, the other end of the first arc groove is not limited, one end of the second arc groove 22 is a second limiting point 22a, the other end of the second arc groove is not limited, the rearview mirror is only stressed by the first limiting point 21a or the second limiting point 22a when rotating leftwards or rightwards, the process operation force of manually rotating the rearview mirror is not easy to control and is long-lasting, the limiting structure can be broken due to the fact that the operation force is not appropriate, the rotating folding function is invalid, the rotating structure adopting one-way limiting, and the service life of the rearview mirror is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bidirectional limiting rotary structure of an automobile outer rearview mirror, aiming at enhancing the reliability of the rotary folding function of the rearview mirror and prolonging the service life of a product.
In order to achieve the purpose, the utility model adopts the following scheme:
the utility model provides a two-way spacing revolution mechanic of outside rear-view mirror of automobile, includes mount pad and rotating housing, the mount pad upper end is provided with first spacing support and the spacing support of second, concentric first circular arc groove and second circular arc groove have been seted up to rotating housing lower extreme inner edge, rotatable the installing in of first spacing support in first circular arc inslot, the rotatable installing in of second spacing support in second circular arc inslot, first circular arc groove both ends are first spacing point and third spacing point respectively, two-way restriction first spacing support's rotation, second circular arc groove both ends are second spacing point and fourth spacing point respectively, two-way restriction the rotation of second spacing support.
The utility model also has the following preferred design:
the radiuses of the first arc groove and the second arc groove are equal.
The middle part of the second arc groove is broken into two sections of arc grooves, and the broken part is an assembly space reserved for other components of the rearview mirror.
Vertical grooves are formed in two sides of the first limiting support, and vertical protrusions matched with the vertical grooves are arranged on the first limiting point and the third limiting point at two ends of the first arc groove. The vertical groove and the vertical protrusion are matched to prevent the radial displacement of the rearview mirror after being folded or unfolded.
The utility model has the following beneficial effects:
according to the external rearview mirror, the two-way limiting points are arranged on the rotating paths of the two limiting supports, and compared with the existing one-way limiting design, pressure formed by overlarge operating force can be borne by the two limiting structures, so that the possibility of fracture of the limiting supports or fracture of the rotating shell on the mounting seat is reduced, the strength of materials does not need to be enhanced, the reliability of the limiting characteristics of the rotating structure can be enhanced, and the service life of the rotatable folding of the rearview mirror is prolonged.
Drawings
FIG. 1 is a prior art exterior view of a swivel structure of an exterior rear view mirror for an automobile, including a lower housing of the rear view mirror;
FIG. 2 is a perspective view of the mounting base of the automobile exterior mirror of FIG. 1;
FIG. 3 is a perspective view of the swivel housing of the automobile exterior mirror of FIG. 1;
FIG. 4 is a perspective view of a rotary housing of a two-way limiting rotary structure of an exterior mirror of an automobile according to the present invention;
FIG. 5 is an assembly view of a bi-directional rotation-limiting structure of an exterior rear view mirror of an automobile according to the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is an assembly view of the two-way rotation-restricting structure of the outer mirror of an automobile according to another embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
fig. 9 is a cross-sectional view taken along line C-C of fig. 7.
Description of reference numerals: the device comprises a mounting seat 1, a first limiting support 1a, a second limiting support 1b, a rotary shell 2, a first arc groove 21a, a first limiting point 21a, a third limiting point 21b, a second arc groove 22a, a second limiting point 22a, a fourth limiting point 22b and a lower shell 3.
Detailed Description
The technical solutions of the present invention are described in detail below with reference to the accompanying drawings and examples, so that those skilled in the art can better understand and implement the technical solutions of the present invention.
The present invention provides a two-way position-limiting rotation structure of an automobile exterior mirror as shown in fig. 4 to 9, comprising: mount pad 1 and rotating housing 2, the 1 upper end of mount pad is provided with first spacing support 1a and the spacing support of second 1b, and concentric first circular arc groove 21 and second circular arc groove 22 have been seted up to the inside edge of rotating housing 2 lower extreme, and in this embodiment, the disconnection in the middle part of second circular arc groove 22 is divided into two sections circular arc grooves, and the part of disconnection is the assembly space of reserving for other subassemblies of rear-view mirror.
First spacing support 1a is rotatable to be installed in first circular arc groove 21, and second spacing support 1b is rotatable to be installed in second circular arc groove 22, as shown in fig. 4, first circular arc groove 21 both ends are first spacing point 21a and third spacing point 21b respectively, can two-way restriction first spacing support's rotation, and second circular arc groove 22 both ends are second spacing point 22a and fourth spacing point 22b respectively, two-way restriction second spacing support 1 b's rotation.
In a preferred embodiment, the first circular arc groove 21 and the second circular arc groove 22 have the same radius. Vertical grooves are formed in two sides of the first limiting support 1a, and vertical protrusions matched with the vertical grooves are arranged on the first limiting points 21a and the third limiting points 21b at two ends of the first arc groove 21. The vertical groove and the vertical protrusion are matched to prevent the radial displacement of the rearview mirror after being folded or unfolded.
According to the external rearview mirror, the two-way limiting points are arranged on the rotating paths of the two limiting supports, and compared with the existing one-way limiting design, pressure formed by overlarge operating force can be borne by the two limiting structures, so that the possibility of fracture of the limiting supports or fracture of the rotating shell on the mounting seat is reduced, the strength of materials does not need to be enhanced, the reliability of the limiting characteristics of the rotating structure can be enhanced, and the service life of the rotatable folding of the rearview mirror is prolonged.
The above-mentioned embodiments are only preferred embodiments of the present invention, but should not be construed as limitations of the present invention, and any modifications and improvements based on the concept of the present invention shall fall within the protection scope of the present invention, and the specific protection scope shall be subject to the claims.
Claims (4)
1. The utility model provides a two-way spacing revolution mechanic of outside rear-view mirror of car, includes mount pad and rotating housing, the mount pad upper end is provided with first spacing support and the spacing support of second, concentric first circular arc groove and second circular arc groove have been seted up to rotating housing lower extreme inner edge, rotatable the installing in of first spacing support in first circular arc inslot, rotatable the installing in of second spacing support in second circular arc inslot, its characterized in that, first circular arc groove both ends are first spacing point and third spacing point respectively, two-way restriction the rotation of first spacing support, second circular arc groove both ends are second spacing point and fourth spacing point respectively, two-way restriction the rotation of second spacing support.
2. The two-way limit rotation structure of an automobile exterior rear view mirror according to claim 1, characterized in that: the first arc groove and the second arc groove have the same radius.
3. The two-way limit rotation structure of an automobile exterior rear view mirror according to claim 2, characterized in that: the middle part of the second arc groove is disconnected and divided into two sections of arc grooves.
4. The automobile exterior mirror bidirectional limiting rotation structure according to claim 3, characterized in that: vertical grooves are formed in two sides of the first limiting support, and vertical protrusions matched with the vertical grooves are arranged at the first limiting points and the third limiting points at two ends of the first arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280885.5U CN215436218U (en) | 2020-12-30 | 2020-12-30 | Two-way spacing revolution mechanic of automobile exterior mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280885.5U CN215436218U (en) | 2020-12-30 | 2020-12-30 | Two-way spacing revolution mechanic of automobile exterior mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215436218U true CN215436218U (en) | 2022-01-07 |
Family
ID=79681608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023280885.5U Active CN215436218U (en) | 2020-12-30 | 2020-12-30 | Two-way spacing revolution mechanic of automobile exterior mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215436218U (en) |
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2020
- 2020-12-30 CN CN202023280885.5U patent/CN215436218U/en active Active
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