Driving assembly of rearview mirror folding mechanism with collision protection function

Abstract

The utility model belongs to the technical field of rearview mirrors, and particularly relates to a driving assembly of a rearview mirror folding mechanism with a collision protection function, a foldable connecting piece comprises a supporting sleeve, a rotating disc, a connecting part, an elastic connecting piece and an elastic reset piece, the rotating disc rotationally installed in the supporting sleeve is fixed to the output end of the driving motor, the connecting part is fixed to the edge of the rotating disc, the elastic connecting piece is arranged between the connecting part and the rearview mirror body, and the elastic reset piece is fixed between the rearview mirror body and the rotating disc. Therefore, the elastic connecting piece can be conveniently connected with the rearview mirror body and the rearview mirror base, the elastic connecting piece can be conveniently separated after the rearview mirror body is subjected to overlarge external force, and the situation that the driving assembly used for driving the rearview mirror body to rotate is damaged after the rearview mirror body is impacted by the external force is avoided; therefore, the driving assembly has the collision protection performance.

Description

Technical Field

[0001] This utility model belongs to the field of rearview mirror technology, specifically relating to a drive component of a rearview mirror folding mechanism with collision protection. Background Technology

[0002] In the automotive industry, rearview mirrors serve as crucial safety aids. Their folding function not only effectively reduces the vehicle's width and lowers the risk of collisions when parked, but also provides convenience when driving on narrow roads. With the continuous improvement of automotive intelligence and automation, electric rearview mirror folding mechanisms have become widely used. These mechanisms use a drive motor to fold and unfold the rearview mirrors, offering convenient operation and high reliability.

[0003] However, existing electric rearview mirror folding mechanisms have significant drawbacks. When a rearview mirror is impacted, because the drive motor and the mirror body are usually rigidly connected, the impact force is directly transmitted to the drive components. In this situation, the drive motor and transmission components are easily damaged by excessive impact, which not only increases maintenance costs but may also cause the rearview mirror to malfunction, affecting driving safety.

[0004] Therefore, there is an urgent need to design a drive assembly for a rearview mirror folding mechanism with collision protection to solve the following problems existing in the prior art. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing a drive assembly for a rearview mirror folding mechanism with collision protection, as detailed above:

[0006] A drive assembly for a rearview mirror folding mechanism with collision protection includes a drive motor for driving the rearview mirror body to rotate, the drive motor being installed in the rearview mirror mount, a foldable connector being installed at the output end of the drive motor, the foldable connector being connected to the rearview mirror body, and a plane bearing being installed between the rearview mirror body and the rearview mirror mount, with the axis of the plane bearing coinciding with the axis of the output end of the drive motor.

[0007] The foldable connector includes a support sleeve, a turntable, a connecting part, an elastic connector, and an elastic reset member. The support sleeve is fixed inside the rearview mirror mount. The turntable, which is rotatably mounted inside the support sleeve, is fixed to the output end of the drive motor. The connecting part is fixed to the edge of the turntable. The elastic connector is disposed between the connecting part and the rearview mirror body. The elastic reset member is fixed between the rearview mirror body and the turntable.

[0008] Preferably, the elastic reset component includes a limiting insertion hole, a limiting rod, a positioning bolt, a coil spring, and a fixing screw. The limiting insertion hole is fixed to the end of the rearview mirror body. The limiting rod is fixed in the limiting insertion hole by a positioning bolt that screws into a screw hole on the side surface of the limiting insertion hole. The coil spring is disposed between the turntable and the limiting rod. The outer ring of the coil spring is fixed to the upper surface of the turntable by a fixing screw, and the inner ring of the coil spring is fixed to the lower surface of the limiting rod by a fixing screw.

[0009] Preferably, the coil spring has a helical structure.

[0010] Preferably, the resilient connector ring array has four members.

[0011] Preferably, the elastic connector includes a movable cavity opened at the upper part of the connecting part, a spring is fixed in the movable cavity, a push plate movable in the movable cavity is installed at the upper end of the spring, an arc-shaped protrusion is fixed on the upper surface of the push plate, and an arc-shaped groove adapted to the arc-shaped protrusion is opened on the surface of the rearview mirror body.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. A foldable connector installed at the output end of the drive motor facilitates the rotation of the rearview mirror body via the output end of the drive motor installed inside the rearview mirror mount after being powered on, enabling the rearview mirror to fold. A plane bearing installed between the rearview mirror body and the rearview mirror mount allows the rearview mirror body and the rearview mirror mount to rotate around the plane bearing. The foldable connector consists of a support sleeve, a turntable, a connecting part, an elastic connector, and an elastic reset part. The elastic connector connects the rearview mirror body and the connecting part, and the connecting part is fixed on the upper surface of the turntable fixed at the output end of the drive motor, thus facilitating the connection between the rearview mirror body and the rearview mirror mount. This allows the elastic connector to separate when the rearview mirror body is subjected to excessive external force, preventing damage to the drive assembly that drives the rearview mirror body to rotate after being impacted by external force. The elastic reset part is used to reset the rearview mirror body after being impacted and rotated, giving the drive assembly collision protection performance.

[0014] 2. An elastic reset component consisting of a limiting hole, a limiting rod, a positioning bolt, and a fixing screw is used. The limiting rod is installed in the limiting hole fixed to the end of the rearview mirror body by the positioning bolt. The coil spring is installed between the turntable and the limiting rod by the fixing screw. After the turntable and the limiting rod rotate relative to each other, the coil spring will undergo elastic deformation. The elastically deformed coil spring will reset the turntable and the limiting rod after relative rotation, thus achieving the purpose of resetting the rearview mirror body after collision.

[0015] 3. An elastic connector consisting of a movable cavity, a spring, a push plate, an arc-shaped protrusion, and an arc-shaped groove is used. There are four elastic connectors arranged in a ring. The push plate, which is movably installed in the movable cavity, is connected to the spring. This allows the push plate to carry the arc-shaped protrusion into the arc-shaped groove under the action of the spring. The arc-shaped groove is opened on the surface of the rearview mirror body, which facilitates the separation of the arc-shaped protrusion from the arc-shaped groove after the rearview mirror body is impacted by an external force. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the rearview mirror structure of this utility model;

[0017] Figure 2 This is a partial cross-sectional structural diagram of the present invention;

[0018] Figure 3 for Figure 2 Enlarged structural diagram at point A;

[0019] Figure 4 for Figure 3 A magnified structural diagram at point B in the middle.

[0020] Reference numerals: 1. Rearview mirror body; 2. Rearview mirror mount; 3. Drive motor; 4. Foldable connector; 41. Support sleeve; 42. Turntable; 43. Connecting part; 44. Elastic connector; 441. Movable cavity; 442. Spring; 443. Push plate; 444. Arc-shaped protrusion; 445. Arc-shaped groove; 45. Limiting insertion hole; 46. Limiting insertion rod; 47. Positioning bolt; 48. Coil spring; 49. Fixing screw; 50. Planar bearing. Detailed Implementation

[0021] The technical solution of this utility model is described above with reference to the accompanying drawings and embodiments.

[0022] Please see Figure 1-4 This embodiment provides the above technical solution: a drive assembly for a rearview mirror folding mechanism with collision protection, including a drive motor 3 for driving the rearview mirror body 1 to rotate, the drive motor 3 is installed in the rearview mirror seat 2, the output end of the drive motor 3 is equipped with a foldable connector 4, the foldable connector 4 is connected to the rearview mirror body 1, a plane bearing 50 is installed between the rearview mirror body 1 and the rearview mirror seat 2, and the axis of the plane bearing 50 coincides with the axis of the output end of the drive motor 3;

[0023] The foldable connector 4 includes a support sleeve 41, a turntable 42, a connecting part 43, an elastic connector 44, and an elastic reset member. The support sleeve 41 is fixed inside the rearview mirror base 2. The turntable 42, which is rotatably installed inside the support sleeve 41, is fixed to the output end of the drive motor 3. The connecting part 43 is fixed to the edge of the turntable 42. The elastic connector 44 is disposed between the connecting part 43 and the rearview mirror body 1. The elastic reset member is fixed between the rearview mirror body 1 and the turntable 42.

[0024] In this embodiment, the foldable connector 4 installed at the output end of the drive motor 3 facilitates the rotation of the rearview mirror body 1 via the foldable connector 4 after the drive motor 3 installed in the rearview mirror mount 2 is powered on, thus enabling the rearview mirror to fold. The planar bearing 50 installed between the rearview mirror body 1 and the rearview mirror mount 2 allows both to rotate around the bearing 50. The foldable connector 4 is composed of a support sleeve 41, a turntable 42, a connecting part 43, an elastic connector 44, and an elastic reset part. The connector 44 is used to connect the rearview mirror body 1 and the connecting part 43. The upper surface of the turntable 42, which is fixed to the output end of the drive motor 3, is fixed with the connecting part 43, so that the elastic connector 44 can connect the rearview mirror body 1 and the rearview mirror seat 2. This makes it easy for the elastic connector 44 to separate after the rearview mirror body 1 is subjected to excessive external force, thus preventing damage to the drive assembly used to drive the rearview mirror body 1 to rotate after the rearview mirror body 1 is subjected to external impact. The elastic reset part is used to reset the rearview mirror body 1 after it is rotated by external impact, so that the drive assembly has collision protection performance.

[0025] Specifically, the elastic reset component includes a limiting insertion hole 45, a limiting insertion rod 46, a positioning bolt 47, a coil spring 48, and a fixing screw 49. The limiting insertion hole 45 is fixed to the end of the rearview mirror body 1. The limiting insertion rod 46 is fixed in the limiting insertion hole 45 through the positioning bolt 47, which is screwed into a screw hole on the side surface of the limiting insertion hole 45. The coil spring 48 is disposed between the turntable 42 and the limiting insertion rod 46. The outer ring of the coil spring 48 is fixed to the upper surface of the turntable 42 through the fixing screw 49, and the inner ring of the coil spring 48 is fixed to the lower surface of the limiting insertion rod 46 through the fixing screw 49. The coil spring 48 has a spiral structure.

[0026] In this embodiment, an elastic reset component consisting of a limiting insertion hole 45, a limiting rod 46, a positioning bolt 47, and a fixing screw 49 is used. The limiting rod 46 is installed in the limiting insertion hole 45 fixed at the end of the rearview mirror body 1 by the positioning bolt 47. This allows the coil spring 48 to be installed between the turntable 42 and the limiting rod 46 by the fixing screw 49. This allows the coil spring 48 to undergo elastic deformation after the turntable 42 and the limiting rod 46 rotate relative to each other. The elastically deformed coil spring 48 then resets the turntable 42 and the limiting rod 46 after they rotate relative to each other, thus achieving the purpose of resetting the rearview mirror body 1 after collision.

[0027] Specifically, there are four elastic connectors 44 arranged in a ring. Each elastic connector 44 includes a movable cavity 441 opened on the upper part of the connecting part 43. A spring 442 is fixed inside the movable cavity 441. A push plate 443 that moves in the movable cavity 441 is installed on the upper end of the spring 442. An arc-shaped protrusion 444 is fixed on the upper surface of the push plate 443. An arc-shaped groove 445 that matches the arc-shaped protrusion 444 is opened on the surface of the rearview mirror body 1.

[0028] In this embodiment, an elastic connector 44 is formed by a movable cavity 441, a spring 442, a push plate 443, an arc-shaped protrusion 444, and an arc-shaped groove 445. There are four elastic connectors 44 arranged in a circular array. The push plate 443, which is movably installed in the movable cavity 441, is connected to the spring 442. This allows the push plate 443 to carry the arc-shaped protrusion 444 into the arc-shaped groove 445 under the action of the spring 442. The arc-shaped groove 445 is formed on the surface of the rearview mirror body 1, so that the arc-shaped protrusion 444 can separate from the arc-shaped groove 445 after the rearview mirror body 1 is impacted by an external force.

[0029] The following description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drive assembly for a rearview mirror folding mechanism with collision protection, comprising a drive motor (3) for driving a rearview mirror body (1) to rotate, the drive motor (3) being mounted within a rearview mirror mount (2), characterized in that: The output end of the drive motor (3) is equipped with a foldable connector (4), which is connected to the rearview mirror body (1). A plane bearing (50) is installed between the rearview mirror body (1) and the rearview mirror seat (2), and the axis of the plane bearing (50) coincides with the axis of the output end of the drive motor (3). The foldable connector (4) includes a support sleeve (41), a turntable (42), a connecting part (43), an elastic connector (44), and an elastic reset member. The support sleeve (41) is fixed inside the rearview mirror mount (2). The turntable (42), which is rotatably installed inside the support sleeve (41), is fixed to the output end of the drive motor (3). The connecting part (43) is fixed to the edge of the turntable (42). The elastic connector (44) is disposed between the connecting part (43) and the rearview mirror body (1). The elastic reset member is fixed between the rearview mirror body (1) and the turntable (42).

2. The drive assembly of a rearview mirror folding mechanism with collision protection according to claim 1, characterized in that: The elastic reset component includes a limiting socket (45), a limiting rod (46), a positioning bolt (47), a coil spring (48), and a fixing screw (49). The limiting socket (45) is fixed to the end of the rearview mirror body (1). The limiting rod (46) is fixed in the limiting socket (45) by the positioning bolt (47) which is screwed into the screw hole on the side surface of the limiting socket (45). The coil spring (48) is disposed between the turntable (42) and the limiting rod (46). The outer ring of the coil spring (48) is fixed to the upper surface of the turntable (42) by the fixing screw (49), and the inner ring of the coil spring (48) is fixed to the lower surface of the limiting rod (46) by the fixing screw (49).

3. The drive assembly of a rearview mirror folding mechanism with collision protection according to claim 2, characterized in that: The coil spring (48) has a helical structure.

4. The drive assembly of a rearview mirror folding mechanism with collision protection according to claim 1, characterized in that: The resilient connector (44) has four ring arrays.

5. The drive assembly of a rearview mirror folding mechanism with collision protection according to claim 4, characterized in that: The elastic connector (44) includes a movable cavity (441) opened on the upper part of the connecting part (43). A spring (442) is fixed in the movable cavity (441). A push plate (443) that moves in the movable cavity (441) is installed on the upper end of the spring (442). An arc-shaped protrusion (444) is fixed on the upper surface of the push plate (443). An arc-shaped groove (445) that matches the arc-shaped protrusion (444) is opened on the surface of the rearview mirror body (1).

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