CN213676516U

CN213676516U - Double-limiting automobile outside rearview mirror lens folding mechanism

Info

Publication number: CN213676516U
Application number: CN202021747821.9U
Authority: CN
Inventors: 杨锦夫; 吴玲
Original assignee: Magna Automotive Mirror Tianjin Co ltd
Current assignee: Magna Automotive Mirror Tianjin Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-07-13
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a two spacing automobile exterior rear-view mirror camera lens folding mechanism, include the mirror base support frame part with car connection, the lens support frame part of being connected with the camera lens and pass the folding shaft part of both centre bores, mirror base support frame part is fixed motionless, and lens support frame part uses folding axle as the center rotation. The first convex part and the second convex part which protrude outwards from the disc structure of the mirror base bracket are respectively provided with a front-back folding stop groove and a front-back folding stop surface; the annular part of the lens bracket is internally provided with a front and back folding latch and a front and back folding stress surface; when the lens rotates to the folding position, the latch on the lens support is clamped with the stop groove on the lens base support, and meanwhile, the stress surface of the lens support is pushed to the stop surface of the lens base support, so that double limiting is realized. The utility model discloses a folding mechanism has that the bearing capacity is strong, safe and reliable, and the camera lens is difficult by the advantage of misuse external force damage automobile body, and shared space is little, agrees with the requirement of customer to space design better.

Description

Double-limiting automobile outside rearview mirror lens folding mechanism

Technical Field

The utility model relates to a structural design device of vehicle, concretely relates to double spacing outside rear-view mirror camera lens folding mechanism.

Background

The main purpose of the automobile outer rear-view mirror is to allow a driver to observe the side and the rear of the vehicle, and the importance of the rear-view mirror in the driving of the vehicle is self-evident. Since the rearview mirror occupies a large space when opened, when the vehicle is driven in a narrow space or parked, the driver usually folds the rearview mirror to reduce the space occupied by the vehicle body. At this time, a limit gear mechanism is required to limit the stroke, so that the correct folding position of the exterior rearview mirror is realized.

In the prior art, the electric appliance of the external rearview mirror has more and more functions, the number of wire harnesses is increased, and the space occupied by the folding mechanism is compressed; when the appearance design is carried out to the outside rear-view mirror to the technical staff, in order to reduce the wind resistance wind noise of outside rear-view mirror, the camera lens size reduces, also leads to folding mechanism to account for the space reduction. The load carrying capacity of the mirror is also affected by the compression of the space occupied by the mirror. And along with the automobile quantity increase by a wide margin in life, the vehicle is denser, and when two cars meet in narrow space or pedestrian passes through from the narrow space between the vehicle, all probably the folding rear-view mirror of maloperation bumps bad automobile body or rear-view mirror body, so the user has proposed higher requirement to the bearing capacity of outside rear-view mirror folding mechanism.

SUMMERY OF THE UTILITY MODEL

To above-mentioned prior art's shortcoming or not enough, the utility model provides a bearing capacity is stronger, shared space is little two spacing automobile outside rear-view mirror camera lens folding mechanism.

In order to solve the above technical problem, the utility model discloses have following constitution:

the utility model discloses a double-spacing automobile outside rear-view mirror lens folding mechanism includes the microscope base support of being connected with the automobile body, the lens support of being connected with the camera lens and pass the folding axle of the coaxial centre bore of lens support and microscope base support, and the cyclic annular position suit of lens support is in the outside of microscope base support disc-shaped structure, and the microscope base support is fixed, and the lens support takes folding axle as the center rotation, drives the camera lens and rotates to the front limit position of rolling over or back limit position of rolling over;

the lens base support is of a disc-shaped structure, a first convex part and a second convex part protrude outwards along the radial direction on the outer edge of a disc, a front folding stop groove and a rear folding stop groove are respectively formed in two side faces of the first convex part, the opening of the stop groove is outwards, and a front folding stop surface and a rear folding stop surface are respectively formed in two side faces of the second convex part;

a first tooth part, a second tooth part and a third blocking part are arranged on the inner edge of the annular part of the lens support inwards along the radial direction, the side surface of the first tooth part is provided with a protruding front folding latch, one side surface of the second tooth part is provided with a rear folding latch, the other side surface is a front folding stress surface, and the side surface of the third blocking part is provided with a rear folding stress surface;

when the lens holder is folded at the limit position, the included angle between the end surface where the front folding stop groove of the first convex part is located and the front folding stop surface of the second convex part is equal to the included angle between the surface where the root of the front folding latch of the first tooth part of the lens holder is located and the front folding stress surface of the second tooth part; the included angle between the end surface of the rear folding stop groove of the first convex part of the lens holder bracket and the rear folding stop surface of the second convex part is equal to the included angle between the surface of the rear folding latch tooth root on the second tooth part of the lens holder bracket and the rear folding stress surface on the third blocking part;

when the lens is folded forwards to the limit gear, the front folding latch on the lens bracket is clamped with the front folding stop groove on the lens base bracket, and the front folding stress surface is attached to the front folding stop surface; when the lens holder is folded backwards to the limit gear, the backward folding latch on the lens holder is clamped with the backward folding stop groove on the lens holder; the rear folding stress surface is attached to the rear folding stop surface, and the folding gear does not work when the bicycle is in a driving position.

The first convex part of the mirror base bracket is in a trapezoid convex shape, and the second convex part is in a plane.

The tooth shapes of the front folding latch and the rear folding latch on the lens support and the groove shapes of the front folding stop groove and the rear folding stop groove of the lens base support are both trapezoidal.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a two spacing camera lens folding mechanism, bearing capacity is strong, and safe and reliable makes the camera lens be difficult to by the damage of the external force that the maloperation action produced.

2. The customer requires the appearance to be little as far as possible in order to reduce the windage wind noise of outside rear-view mirror when outside rear-view mirror outward appearance design, the utility model discloses a convex part of microscope base support and lens holder's tooth portion all distribute on the circumference, and shared space is little, agrees with the requirement of customer to space design better.

3. Outside rear-view mirror electrical apparatus function is more and more on the existing market, and pencil quantity has also increased, has taken more spaces, the utility model discloses an advantage that the shared space of camera lens folding mechanism is little also vacates bigger space for pencil arrangement.

Drawings

FIG. 1: the utility model is a three-dimensional view;

FIG. 2: the top view of the driving position of the utility model;

FIG. 3: the top view of the front folding position of the utility model;

FIG. 4: the utility model discloses a top view of back folding position.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

The automobile outer rear-view mirror comprises a mirror shell assembly, a mirror seat assembly, a wire harness, a mirror surface angle adjusting mechanism and a lens folding mechanism. Because the camera lens folding mechanism who sets up between camera lens and mirror seat, so the camera lens can be around vertical axle at horizontal rotation, and the camera lens is in the position of traveling sometimes, is in folding position sometimes, and the driver can let outside rear-view mirror stop in each position under different occasions, has greatly improved driving safety, has promoted driver's the experience of driving. The utility model discloses it is the optimization improvement to lens folding mechanism.

As shown in fig. 1 and 2, the utility model discloses a lens folding mechanism includes the microscope base support 1 with car connection, the lens support 2 of being connected with the camera lens, and pass the folding axle 3 of the coaxial centre bore of lens support 2 and microscope base support 1, and microscope base support 1 is fixed, and lens support 2 uses folding axle 3 to rotate as the center, drives the camera lens and rotates to the travel position (see fig. 2), preceding folding position (see fig. 3) or back folding position (see fig. 4) around microscope base support 1, and the rear-view mirror can be in the optional position between preceding folding position and the back folding position.

As shown in fig. 2, the mirror base support 1 has a disc-shaped structure, and two trapezoidal protrusions are protruded radially outward from the outer edge of the disc, and the two trapezoidal protrusions form an included angle on the circumference. The middle of the two side surfaces (i.e. the trapezoidal surfaces) of the first convex part 11 is respectively provided with a trapezoidal front folding stop groove 1a and a trapezoidal back folding stop groove 1b, the opening of the stop grooves is outward, and the two side surfaces of the second convex part 12 are respectively provided with a front folding stop surface 1c and a back folding stop surface 1 d. The first convex portion 11 and the second convex portion 12 may have other shapes having two side surfaces.

As shown in fig. 2, three protrusions are formed radially inward on the inner edge of the annular portion of the lens holder 2, a certain included angle is formed between the three protrusions, the shape of the protrusions is not limited, and working teeth or working surfaces are arranged on the side surfaces of the protrusions. One side surface of the first tooth part 21 is provided with a front folding latch 2a with a protruding small trapezoid structure, one side surface of the second tooth part 22 is provided with a rear folding latch 2b with a small trapezoid structure, the other side surface is a front folding stress surface 2c, and one side of the third blocking part 23 is a rear folding stress surface 2 d.

As can be seen from fig. 3, an included angle between an end surface where the front folding stop groove 1a of the first protrusion 11 on the lens holder bracket 1 is located and the front folding stop surface 1c of the second protrusion 12 is m, an included angle between a surface where the front folding latch 2a of the first tooth portion 21 of the lens holder bracket 2 is located and the front folding stress surface 2c of the second tooth portion 22 is also m, and the angles on the lens holder bracket 1 and the lens holder bracket 2 are equal and are both m. As can be seen from fig. 4, an included angle between the end surface where the rear folding stop groove 1b of the first convex portion 11 of the lens holder bracket 1 is located and the rear folding stop surface 1d of the second convex portion 12 is n, an included angle between the surface where the rear folding latch 2b on the second tooth portion 22 of the lens holder bracket 2 is located and the rear folding force-bearing surface 2d on the third blocking portion 23 is also n, and the angles on the lens holder bracket 1 and the lens holder bracket 2 are equal and are both n. The magnitude of m and n determines the two extreme positions of lens rotation, respectively.

As shown in fig. 2, in the assembled state, the annular portion of the lens holder 2 is fitted around the outside of the disc-shaped structure of the lens holder 1, the front folding latch 2a on the lens holder 2 faces the front folding locking groove 1a on the lens holder 1, the rear folding latch 2b on the lens holder 2 faces the rear folding locking groove 1b on the lens holder 1, and the rear folding force-bearing surface 2d of the lens holder 2 faces the rear folding locking surface 1d of the lens holder 1. The radial positions and the shapes of the front folding latch 2a and the rear folding latch 2b on the lens holder 2 are respectively matched with the front folding stop groove 1a and the rear folding stop groove 1b on the lens holder 1, but the shapes of the latches and the stop grooves are not limited.

The utility model discloses a camera lens folding mechanism's theory of operation as follows, as shown in fig. 2, when the outside rear-view mirror is in the position of traveling, the latch and the locking groove of camera lens support 2 and microscope stand support 1, locking surface and stress surface all not mutual contactless. As the exterior mirror is folded forward, the lens holder 2 rotates clockwise with respect to the mirror base holder 1 until the forward-folded limit position shown in fig. 3, the forward-folded latch 2a of the lens holder 2 engages with the forward-folded stop groove 1a of the mirror base holder 1, and the forward-folded force-receiving surface 2c pushes against the forward-folded stop surface 1c of the mirror base holder 1. Conversely, when the exterior mirror is folded backward, the lens holder 2 rotates counterclockwise with respect to the holder 1 until the rearward-folded limit position shown in fig. 4 is reached, the rearward-folded latch 2b of the lens holder 2 engages with the rearward-folded stopper groove 1b of the holder 1, and the rearward-folded force-receiving surface 2d pushes against the rearward-folded stopper surface 1d of the holder 1.

It can be seen that the utility model discloses an outside rear-view mirror all has a set of latch and locking groove block at every folding position, and a set of stress surface pushes away and leans on the locking surface, total two spacing portions. Compared with a single limiting structure, the double-limiting structure is additionally provided with one stressed part, the stressed area is correspondingly increased, the two limiting parts are separated by a certain distance on the circumference, and the bearing capacity of the double-limiting structure is more than twice that of the single stressed part; moreover, the clamping fit between the latch and the stop groove is firm, so that the rearview mirror is safer when being in a folded position. Therefore, the lens folding mechanism of the utility model has strong bearing capacity, safety and reliability, and the lens is not easy to be damaged by external force generated by misoperation; meanwhile, when the appearance of the external rearview mirror is designed by a client, in order to reduce the wind resistance and the wind noise of the external rearview mirror, the appearance is required to be as small as possible, the convex part of the mirror base bracket and the tooth part of the lens are distributed on the circumference, the occupied space is small, and the requirement of the client on the space design is better met; in addition, outside rear-view mirror electrical apparatus function is more and more on the current market, and pencil quantity also increases, has occupied more spaces, the utility model discloses an advantage that the shared space of camera lens folding mechanism is little also vacates bigger space for pencil arrangement.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that various combinations, modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims

1. The double-limit automobile outside rearview mirror lens folding mechanism is characterized by comprising a mirror base support (1) connected with an automobile body, a lens support (2) connected with a lens and a folding shaft (3) penetrating through coaxial center holes of the lens support (2) and the mirror base support (1), wherein the annular part of the lens support (2) is sleeved on the outer side of a disc-shaped structure of the mirror base support (1), the mirror base support (1) is fixed, and the lens support (2) rotates by taking the folding shaft (3) as a center to drive the lens to rotate to a front folding limit position or a rear folding limit position;

the lens base support (1) is of a disc-shaped structure, a first convex part (11) and a second convex part (12) protrude outwards along the radial direction of the outer edge of the disc, a front folding stop groove (1 a) and a rear folding stop groove (1 b) are formed in two side faces of the first convex part (11), the opening of the stop grooves is outwards, and a front folding stop surface (1 c) and a rear folding stop surface (1 d) are formed in two side faces of the second convex part (12);

a first tooth part (21), a second tooth part (22) and a third blocking part (23) are arranged on the inner edge of the annular part of the lens holder (2) in the radial direction, a protruding front folding latch (2 a) is arranged on the side surface of the first tooth part (21), a rear folding latch (2 b) is arranged on one side surface of the second tooth part (22), a front folding stress surface (2 c) is arranged on the other side surface of the second tooth part, and a rear folding stress surface (2 d) is arranged on the side surface of the third blocking part (23);

when the lens holder is folded at the limit position, an included angle between the end surface where the front folding stop groove (1 a) of the first convex part (11) is located and the front folding stop surface (1 c) of the second convex part (12) is equal to an included angle between the surface where the front folding latch tooth (2 a) of the first tooth part (21) of the lens holder (2) is located and the front folding stress surface (2 c) of the second tooth part (22); the included angle between the end surface of the first convex part (11) of the lens holder bracket (1) where the rear folding stop groove (1 b) is located and the rear folding stop surface (1 d) of the second convex part (12) is equal to the included angle between the surface of the second tooth part (22) of the lens holder (2) where the rear folding latch tooth (2 b) is located and the rear folding stress surface (2 d) of the third blocking part (23);

when the front folding limit gear is arranged, the front folding latch (2 a) is clamped with the front folding stop groove (1 a), and the front folding stress surface (2 c) is attached to the front folding stop surface (1 c); when the rear folding limit gear is arranged, the rear folding latch (2 b) is clamped with the rear folding stop groove (1 b), the rear folding stress surface (2 d) is attached to the rear folding stop surface (1 d), and the folding gear does not work when in a driving position.

2. The double-limiting mechanism for folding an automotive exterior mirror lens according to claim 1 is characterized in that the first convex part (11) of the mirror base bracket (1) is trapezoidal in convex shape, and the second convex part (12) is flat.

3. The double-limiting mechanism for folding an exterior mirror lens of an automobile according to claim 1, wherein the tooth shapes of the front folding latch (2 a) and the rear folding latch (2 b) on the lens holder (2), and the groove shapes of the front folding stop groove (1 a) and the rear folding stop groove (1 b) of the mirror base holder (1) are both trapezoidal.