CN-224210977-U - Driving assembly of rearview mirror folding mechanism with collision protection

Abstract

The utility model belongs to the technical field of rearview mirrors, in particular to a driving assembly of a rearview mirror folding mechanism with collision protection, which comprises a supporting sleeve, a turntable, a connecting part, an elastic connecting piece and an elastic resetting piece, wherein the supporting sleeve is fixed in a rearview mirror seat, the turntable which is rotationally arranged in the supporting sleeve is fixed at the output end of a driving motor, the connecting part is fixed at the edge of the turntable, the elastic connecting piece is arranged between the connecting part and a rearview mirror main body, and the elastic resetting piece is fixed between the rearview mirror main body and the turntable, so that the elastic connecting piece is convenient for connecting the rearview mirror main body and the rearview mirror seat, the rearview mirror main body is convenient for being separated by the elastic connecting piece after being subjected to excessive external force, the driving assembly for driving the rearview mirror main body to rotate is prevented from being damaged after the rearview mirror main body is subjected to external force impact, and the elastic resetting piece is used for resetting the rearview mirror main body after the rearview mirror main body is rotationally subjected to the external force impact, so that the driving assembly has the collision protection performance.

Inventors

• YAN WEIHUA

Assignees

• 常州道生汽车零部件再制造有限公司

Dates

Publication Date

20260508

Application Date

20250623

Claims (5)

1. 1. The driving assembly of the rearview mirror folding mechanism with collision protection comprises a driving motor (3) for driving a rearview mirror main body (1) to rotate, wherein the driving motor (3) is arranged in a rearview mirror seat (2), and is characterized in that a foldable connecting piece (4) is arranged at the output end of the driving motor (3), the foldable connecting piece (4) is connected with the rearview mirror main body (1), a plane bearing (50) is arranged between the rearview mirror main 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 driving motor (3); the foldable connecting piece (4) comprises a supporting sleeve (41), a rotary table (42), a connecting part (43), an elastic connecting piece (44) and an elastic resetting piece, wherein the supporting sleeve (41) is fixed inside the rearview mirror base (2), the rotary table (42) which is rotationally installed in the supporting sleeve (41) is fixed at the output end of the driving motor (3), the connecting part (43) is fixed at the edge of the rotary table (42), the elastic connecting piece (44) is arranged between the connecting part (43) and the rearview mirror body (1), and the elastic resetting piece is fixed between the rearview mirror body (1) and the rotary table (42).
2. 2. The driving assembly of the rearview mirror folding mechanism with collision protection according to claim 1, wherein the elastic reset piece comprises a limiting jack (45), a limiting inserted rod (46), a positioning bolt (47), a coil spring (48) and a fixing screw (49), the limiting jack (45) is fixed at the end part of the rearview mirror main body (1), the limiting inserted rod (46) is fixed in the limiting jack (45) through the positioning bolt (47) rotating in the screw hole formed in the side surface of the limiting jack (45), the coil spring (48) is arranged between the rotary table (42) and the limiting inserted rod (46), the outer ring of the coil spring (48) is fixed on the upper surface of the rotary table (42) through the fixing screw (49), and the inner ring of the coil spring (48) is fixed on the lower surface of the limiting inserted rod (46) through the fixing screw (49).
3. 3. A drive assembly for a folding mechanism for a rear view mirror with crash protection as claimed in claim 2, wherein the coil spring (48) is of helical configuration.
4. 4. A drive assembly for a folding mechanism for a wing mirror with crash protection as claimed in claim 1, characterized in that said elastic connection (44) is arranged in an annular array of four.
5. 5. The driving assembly of the rearview mirror folding mechanism with collision protection as set forth in claim 4, wherein the elastic connecting piece (44) comprises a movable cavity (441) formed in the upper portion of the connecting portion (43), a spring (442) is fixed in the movable cavity (441), a pushing plate (443) movable in the movable cavity (441) is mounted at the upper end of the spring (442), an arc-shaped protruding block (444) is fixed on the upper surface of the pushing plate (443), and an arc-shaped groove (445) matched with the arc-shaped protruding block (444) is formed in the surface of the rearview mirror main body (1).

Description

Driving assembly of rearview mirror folding mechanism with collision protection Technical Field 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 collision protection. Background In the automotive field, the rearview mirror is used as an important safety auxiliary device, and the folding function of the rearview mirror can not only effectively reduce the width of a vehicle body when the vehicle is parked, but also provide convenience when the vehicle runs on a narrow road section. Along with the continuous improvement of the intelligent and automatic degree of the automobile, the electric rearview mirror folding mechanism is widely applied, and the mechanism drives the rearview mirror to fold and unfold through a driving motor, so that the operation is convenient and fast and the reliability is high. However, existing powered mirror fold mechanisms have significant drawbacks. When the rearview mirror is impacted by external force, the impact force can be directly transmitted to the driving assembly due to the fact that the driving motor is generally rigidly connected with the rearview mirror body. In this case, the driving motor, the transmission part and the like are extremely easy to damage due to bearing excessive impact force, so that the maintenance cost is increased, the function failure of the rearview mirror is possibly caused, and the driving safety is influenced. Therefore, there is a need to design a driving assembly of a folding mechanism of a rearview mirror with crash protection to solve the following problems in the prior art. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model provides a driving component of a rearview mirror folding mechanism with collision protection, and the specific technical scheme is as follows: The driving assembly of the rearview mirror folding mechanism with collision protection comprises a driving motor for driving the rearview mirror main body to rotate, wherein the driving motor is installed in a rearview mirror seat, a foldable connecting piece is installed at the output end of the driving motor and is connected with the rearview mirror main body, a plane bearing is installed between the rearview mirror main body and the rearview mirror seat, and the axis of the plane bearing coincides with the axis of the output end of the driving motor; The foldable connecting piece comprises a supporting sleeve, a rotary table, a connecting part, an elastic connecting piece and an elastic resetting piece, wherein the supporting sleeve is fixed inside the rearview mirror seat, the rotary table which is rotationally installed in the supporting sleeve is fixed at the output end of the driving motor, the connecting part is fixed at the edge of the rotary table, the elastic connecting piece is arranged between the connecting part and the rearview mirror body, and the elastic resetting piece is fixed between the rearview mirror body and the rotary table. Preferably, the elastic reset piece comprises a limiting jack, a limiting inserted bar, a positioning bolt, a coil spring and a fixing screw, wherein the limiting jack is fixed at the end part of the rearview mirror main body, the positioning bolt which is screwed in the screw hole is arranged on the side surface of the limiting inserted bar and is fixed in the limiting jack, the coil spring is arranged between the turntable and the limiting inserted bar, the outer ring of the coil spring is fixed on the upper surface of the turntable through the fixing screw, and the inner ring of the coil spring is fixed on the lower surface of the limiting inserted bar through the fixing screw. Preferably, the coil spring has a spiral structure. Preferably, the elastic connection member is arranged in an annular array of four. Preferably, the elastic connecting piece comprises a movable cavity formed in the upper portion of the connecting portion, a spring is fixed in the movable cavity, a push plate which moves in the movable cavity is mounted at the upper end of the spring, an arc-shaped protruding block is fixed on the upper surface of the push plate, and an arc-shaped groove matched with the arc-shaped protruding block is formed in the surface of the rearview mirror body. Compared with the prior art, the utility model has the beneficial effects that: 1. Through the collapsible connecting piece of driving motor output installation, the driving motor circular telegram back output of being convenient for installation in the rear-view mirror seat is rotatory through collapsible connecting piece with the rear-view mirror main part, the rear-view mirror of being convenient for is folded, the plane bearing of installation between rear-view mirror main part and the rear-view mirror seat, the rear-view mirror main part of being convenient for is rotatory round plane bearing with the rear-view mirror