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CN-224210976-U - Electric folding device for automobile outer rearview mirror

CN224210976UCN 224210976 UCN224210976 UCN 224210976UCN-224210976-U

Abstract

The utility model discloses an electric folding device for an automobile outer rearview mirror, which comprises a shell, a folding device and a folding device, wherein the shell is used for being connected with a mirror substrate; the utility model relates to the technical field of automobile parts, in particular to a novel automobile part, which comprises a shell, a base cam assembly, a base, a retaining ring and a cam assembly, wherein the base cam assembly is fixedly connected with the shell, the lower end face of the base is provided with the base cam assembly, the base is fixed on a mirror support, the base cam assembly is arranged at the upper end of the base, the base cam assembly and the base cam assembly are in an embedded state when in an initial state, the base cam assembly and the base cam assembly move relatively in an electric folding state, the base has an upward lifting process and a downward lowering process relative to the base in the relative motion, the retaining ring is arranged on the outer side wall of the base cam assembly and is embedded into the base, and in the relative motion, the retaining ring is always in the embedded state in the base, so that foreign matters can be prevented from entering the cam assembly.

Inventors

  • ZHOU YAO
  • HUANG RENJIE
  • LIU ZHIKUN

Assignees

  • 宁波精成车业有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (6)

  1. 1. An electric folding device for an exterior rear view mirror of an automobile, comprising: A housing (1) connected to the mirror substrate; The base (2) is fixedly connected with the shell (1), and the lower end surface of the base is provided with a base cam assembly (2.1); the base (3) is fixed on the mirror bracket, and the upper end of the base is provided with a base cam assembly (3.1), and when in an initial state, the base cam assembly (2.1) and the base cam assembly (3.1) are in a jogged state; In an electric folding state, the base cam assembly (2.1) and the base cam assembly (3.1) perform relative rotation, and the base (2) has an upward lifting process and a downward lowering process relative to the base (3); the method is characterized in that: The base (3) is provided with a retainer ring (4) on the outer side of the base cam assembly (3.1), and the retainer ring (4) is embedded into the base (2) and is always in a position state embedded into the base (2) in relative movement.
  2. 2. The electric folding device for the automobile outer rearview mirror is characterized in that the retainer ring (4) is arranged on the upper end surface of the base (3) and is of an upward extending structure; The lower end face of the base (2) is provided with a first matching groove (5) for embedding the check ring (4).
  3. 3. An electric folding device for an exterior mirror of an automobile according to claim 2, wherein the base (2) is provided with a convex ring (2.2) on the outer periphery of the base cam assembly (2.1), the convex ring (2.2) is of a downward extending structure, and is spaced from the base cam assembly (2.1) to form the first mating groove (5) therebetween.
  4. 4. An electric folding device for an exterior mirror of a motor vehicle according to claim 3, wherein the base cam assembly (2.1) comprises a plurality of protruding parts (2.11) arranged at intervals in a ring shape, the outer sides of the adjacent protruding parts (2.11) are connected by connecting parts (6), and the vertical height of the connecting parts (6) is identical to the vertical height of the protruding parts (2.11).
  5. 5. An electric folding device for an exterior mirror of a motor vehicle according to claim 4, wherein the retainer ring (4) is spaced from the base cam assembly (3.1) with a second mating groove (7) formed therebetween for the attachment portion (6) to be inserted.
  6. 6. An electric folding device for an exterior mirror of a motor vehicle according to claim 1, characterized in that the retainer ring (4) is of an integrally formed construction with the base (3).

Description

Electric folding device for automobile outer rearview mirror Technical Field The utility model relates to the technical field of automobile parts, in particular to an electric folding device for an automobile outer rearview mirror. Background With the development of the automobile industry, the functions and structures of the automobile exterior rear view mirror are also continuously optimized. As a configuration for improving convenience and safety of automobiles, electric folding exterior rear view mirrors are receiving increasing attention from the market. However, some existing electric folding devices have a certain problem in structural design, for example, the matching between the components in the folding process is not tight enough, and the folding and unfolding actions are easily affected by external environmental factors such as sand dust, so that the reliability of the folding and unfolding actions is reduced, and the service life and stability of the device are affected. Disclosure of utility model Aiming at the defects and shortcomings of the prior art, the electric folding device capable of preventing sand and dust from entering the cam assembly is provided, the reliability and durability of electric folding of the automobile outside rear-view mirror are improved, and the electric folding device has a wide application prospect. An electric folding device for an exterior rear view mirror of an automobile, comprising: A housing for connection with the mirror substrate; The base is fixedly connected with the shell, and the lower end face of the base is provided with a base cam assembly; a base fixed on the mirror support, a base cam component arranged at the upper end of the base, In the initial state, the base cam component and the base cam component are in a jogged state; In the electric folding state, the base cam assembly and the base cam assembly perform relative rotation, and in the relative motion, the base has a process of lifting upwards and a process of lowering downwards relative to the base; The base is provided with a retainer ring on the outer side wall of the base cam assembly, the retainer ring is embedded into the base, and in relative movement, the retainer ring is always in a position state of being embedded into the base. After adopting above structure, the electric folding device for the automobile outer rearview mirror has the following advantages compared with the prior art: According to the application, the retainer ring is arranged on the base and is embedded with the base, and in the movement process, the retainer ring always keeps the embedded state, and plays a role in blocking the outer side of the cam assembly, so that foreign matters such as sand dust can be effectively prevented from entering the cam assembly, the reliability and durability of the device are improved, and smooth folding and unfolding actions are ensured. Of course, the retainer ring may be provided on the base, and the retainer ring may have a structure designed to be fitted to the base, thereby achieving the same effect as the above-described structure. As an improvement of the utility model, the retainer ring is arranged on the upper end surface of the base and is of an upward extending structure; The lower terminal surface of base is provided with first cooperation groove, supplies the retaining ring embedding. As an improvement of the utility model, the outer side wall of the base cam assembly is provided with a convex ring, the convex ring is of a downward extending structure, and the convex ring and the base cam assembly are arranged at intervals to form the first matching groove. As an improvement of the utility model, the base cam assembly comprises a plurality of protruding parts which are annularly arranged at intervals, the outer sides of the adjacent protruding parts are connected through connecting parts, and the vertical height of the connecting parts is consistent with that of the protruding parts. As an improvement of the utility model, the retainer ring and the base cam component are arranged at intervals, and a second matching groove is formed between the retainer ring and the base cam component for embedding the connecting part. As an improvement of the utility model, the retainer ring and the base are of an integrally formed structure. Drawings Fig. 1 is a schematic cross-sectional view of the present utility model. Fig. 2 is an enlarged schematic view of the structure of fig. 1a according to the present utility model. Fig. 3 is a schematic structural view of the base and the pedestal of the present utility model. Fig. 4 is a schematic view of the component of fig. 3 in an exploded condition according to the present utility model. Fig. 5 is a schematic view of the bottom structure of the base of the present utility model. Fig. 6 is a schematic view of the upper structure of the base of the present utility model. The device is shown as 1, a shell, 2, a base, 2.1, a base cam asse