CN219471811U - Electric safety lock for tail box of household car - Google Patents

Abstract

The utility model discloses an electric security lock for a tail box of a household car, which comprises a shell, a handle, a motor, an elastic piece, a driving wheel, a driven wheel, a sliding block and a rotating shaft, wherein the motor, the elastic piece, the driving wheel, the driven wheel, the sliding block and the rotating shaft are arranged in the shell; the elastic piece is arranged between the driving wheel and the shell of the motor so as to drive the driving wheel to be meshed with the driven wheel; a swing arm is arranged on the driven wheel, one end of the swing arm is pivoted with the sliding block, the sliding block is slidingly arranged on the shell, and the sliding block is provided with a locking shaft; the rotating shaft is rotatably arranged on the shell, a locking hole is formed in one side of the rotating shaft, and the locking shaft can be inserted into or withdrawn from the locking hole so as to lock or release the rotating shaft; the handle is connected to one end of the rotating shaft to drive the rotating shaft to rotate. The electric security lock for the trunk of the household car has the advantages of anti-lock, safety, reliability and long service life.

Description

Electric safety lock for tail box of household car

Technical Field

The utility model relates to a security lock, in particular to an electric security lock for a trunk of a household car.

Background

The existing electric security lock for the trunk of the household car is generally driven by a motor to slide to realize the function of locking or unlocking a handle, however, due to the rotation accuracy of the motor, the lock is easy to lock or lock due to excessive rotation of the motor, so that the service life of parts can be influenced, and the safety performance is reduced.

Disclosure of Invention

The utility model aims to provide an anti-lock, safe and reliable electric security lock for a household car trunk with long service life.

In order to achieve the above purpose, the electric security lock for the tail box of the household car provided by the utility model comprises a shell, a handle, a motor, an elastic piece, a driving wheel, a driven wheel, a sliding block and a rotating shaft, wherein the motor, the elastic piece, the driving wheel, the driven wheel, the sliding block and the rotating shaft are arranged in the shell; the elastic piece is arranged between the driving wheel and the shell of the motor so as to drive the driving wheel to be meshed with the driven wheel; a swing arm is arranged on the driven wheel, one end of the swing arm is pivoted with the sliding block, the sliding block is slidingly arranged on the shell, and the sliding block is provided with a locking shaft; the rotating shaft is rotatably arranged on the shell, a locking hole is formed in one side of the rotating shaft, and the locking shaft can be inserted into or withdrawn from the locking hole so as to lock or release the rotating shaft; the handle is connected to one end of the rotating shaft to drive the rotating shaft to rotate.

Compared with the prior art, the utility model has the advantages that the driven wheel is driven by the motor, the swing arm is arranged on the driven wheel, the swing arm is used for driving the sliding block to translate, and the locking shaft is driven to be inserted into or withdrawn from the locking hole of the rotating shaft, so that the purpose of locking or unlocking the rotating shaft is achieved. And the elastic piece is arranged between the driving wheel and the shell of the motor, and the elastic force of the elastic piece is utilized to drive the driving wheel and the driven wheel to be meshed with a certain meshing force, so that the torque force output by the motor can be effectively transmitted to a passive boundary line to drive the sliding block to move, and the meshing force between the driving wheel and the driving wheel is utilized to reversely push the driving wheel to separate from the driven wheel when the motor excessively rotates, so that the transmission of torque force is blocked, the purpose of protecting the sliding block and the locking shaft is achieved, and the anti-lock mechanism has an anti-lock function, is very safe and reliable in use, and effectively prolongs the service life.

Preferably, a first damper Long Pinghua is arranged between the motor housing and the elastic member, and a second damper Long Pinghua is arranged between the driving wheel and the elastic member. Through set up two fender Long Pinghua spares at the both ends of elastic component, can prevent the elastic component is to the excessive friction of part rather than contradicting, effective protection part, increase of service life.

Preferably, the motor further comprises a cover body, wherein the cover body is arranged in the shell and covers the outside of the motor. By arranging the cover body, the motor, the driven wheel, the driving wheel and other parts can be effectively protected, and the service life is prolonged.

Preferably, the housing includes an upper cover and a lower cover, and the upper cover is covered on the lower cover.

Preferably, the sliding block is provided with a guide hole, the shell is provided with a guide column, and the guide column is in sliding fit with the guide hole. Through the guide hole and the guide post cooperation, can make the slider slip more accurate smooth and easy.

Preferably, the rotary shaft is provided with an annular groove, and the clamping ring is clamped in the annular groove so as to limit the axial movement of the rotary shaft.

Preferably, the motor is a gear motor.

Preferably, the driven wheel comprises a sleeve, one end of the sleeve is provided with a containing cavity, the inner bottom surface of the containing cavity is provided with driven wheel teeth meshed with the driving wheel, and the other end of the sleeve radially extends out of the swing arm. Therefore, the driving wheel can be sleeved in the accommodating cavity, and the driving wheel is protected by the accommodating cavity, so that the influence of the outside on the driving wheel is avoided, and the transmission stability is effectively improved.

Preferably, a sliding shaft is arranged at one end of the swing arm, a sliding chute is arranged on the sliding block, and the sliding shaft is slidably arranged in the sliding chute. Through setting up the cooperation of sliding shaft and slip chute, can make with the torsion of follower output is converted into the promotion the thrust of slider flat displacement, simple structure, control is convenient.

Drawings

Fig. 1 is a perspective view of the electric security lock of the trunk of the household car of the utility model.

Fig. 2 is an internal structural view of the electric security lock of the trunk of the household car.

Fig. 3 is an exploded view of the electric security lock of the trunk of the home car of the present utility model.

Fig. 4 is a state diagram of the electric security lock of the tail box of the household car when the handle of the electric security lock is unlocked.

Detailed Description

In order to describe the technical content, the constructional features and the effects achieved by the present utility model in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to 3, the electric security lock 100 for a trunk of a household car of the present utility model comprises a housing 1, a handle 2, a motor 3, an elastic member 4, a driving wheel 5, a driven wheel 6, a sliding block 7 and a rotating shaft 8, wherein the motor 3, the elastic member 4, the driving wheel 5, the driven wheel 6, the sliding block 7 and the rotating shaft 8 are arranged in the housing 1, the housing 1 comprises an upper cover 11 and a lower cover 12, and the upper cover 11 is covered on the lower cover 12. The driving wheel 5 is circumferentially fixed and axially slidably arranged at the output end of the motor 3; the motor 3 is a gear motor 3. The elastic member 4 is disposed between the driving wheel 5 and the housing of the motor 3 to drive the driving wheel 5 to engage with the driven wheel 6, and the elastic member 4 is a compression spring. A swing arm 61 is arranged on the driven wheel 6, and one end of the swing arm 61 is pivoted with the sliding block 7. The slider 7 is slidably provided in the housing 1, and a sliding direction is perpendicular to an extending direction of a central axis of an output shaft of the motor 3. The sliding block 7 is provided with a locking shaft 71, and the central axis of the locking shaft 71 is parallel to the output shaft of the motor 3; the rotating shaft 8 is rotatably provided in the housing 1, and a central axis of the rotating shaft 8 is perpendicular to a central axis of the locking shaft 71. At least one side of the rotating shaft 8 is provided with a locking hole 81, and the locking shaft 71 can be inserted into or withdrawn from the locking hole 81 to lock or unlock the rotating shaft 8; the handle 2 is connected to the upper end of the rotating shaft 8 through a connecting screw so as to drive the rotating shaft 8 to rotate when the rotating shaft 8 is unlocked.

Referring to fig. 3, specifically, the driven wheel 6 includes a sleeve 62, one end of the sleeve 62 is provided with a receiving cavity 621, an inner bottom surface of the receiving cavity 621 is provided with driven wheel teeth 63 meshed with the driving wheel 5, and the other end of the sleeve 62 radially extends out of the swing arm 61. In this way, the driving wheel 5 can be sleeved in the accommodating cavity 621, and the driving wheel 5 is protected by the accommodating cavity 621, so that the influence of the outside on the driving wheel is avoided, and the transmission stability is effectively improved. One end of the swing arm 61 is provided with a sliding shaft 611, the slider 7 is provided with a sliding chute 72, and the sliding shaft 611 is slidably disposed in the sliding chute 72. By arranging the matching of the sliding shaft 611 and the sliding chute 72, the torque output by the driven wheel 6 can be converted into the thrust for pushing the sliding block 7 to move horizontally, so that the structure is simple, and the control is convenient.

Referring to fig. 3 again, a first damper Long Pinghua s 9 is disposed between the housing of the motor 3 and the elastic member 4, and a second damper Long Pinghua s 10 is disposed between the driving wheel 5 and the elastic member 4. Through set up two fender Long Pinghua spares at the both ends of elastic component 4, can prevent the elastic component 4 excessively rubs rather than the part of contradicting, effectively protects the part, increase of service life.

As shown in fig. 3, the electric security lock 100 for the trunk of the home car further includes a cover 110, where the cover 110 is disposed in the housing 1 and covers the motor 3. By providing the cover 110, the motor 3, the driven wheel 6, the driving wheel and other components can be effectively protected, and the service life can be prolonged.

Referring to fig. 3, the slider 7 is provided with a guide hole 73, the extending direction of the guide hole 73 is the same as the moving direction of the slider 7, the housing 1 is provided with a guide post 13, and the guide post 13 is slidably matched with the guide hole 73. By the cooperation of the guide holes 73 and the guide posts 13, the sliding of the sliding block 7 can be more accurate and smooth.

Referring to fig. 3 again, the electric security lock 100 for a trunk of a home car further includes a snap ring 120 disposed in the housing 1, the rotating shaft 8 is provided with an annular groove 82, and the snap ring 120 is clamped in the annular groove 52 to limit the axial movement of the rotating shaft 8.

In summary, with reference to fig. 2 and 4, the following describes the working principle of the electric security lock 100 for a trunk of a home car in detail, as follows:

when the lock is required to be released, the motor 3 is started, so that the motor 3 drives the driving wheel 5 to rotate, the driving wheel 5 drives the driven wheel 6 to rotate, the driven wheel 6 drives the swing arm 61 to swing, the swing arm 61 drives the sliding block 7 to translate under the action of the sliding shaft 611 and the sliding chute 72, the sliding block 7 drives the locking shaft 71 to withdraw from the locking hole 81, and at the moment, the handle 2 is rotated, so that the rotating shaft 8 can be driven to rotate through the handle 2. When the locking is needed, the motor 3 is started, so that the motor 3 rotates reversely, and the locking shaft 71 can be driven to be inserted into the locking hole 81, and the rotating shaft 8 is locked.

Compared with the prior art, the utility model has the advantages that the driven wheel 6 is driven by the motor 3, the swing arm 61 is arranged on the driven wheel 6, the swing arm 61 is used for driving the sliding block 7 to translate, and the locking shaft 71 is driven to be inserted into or withdrawn from the locking hole 81 of the rotating shaft 8, so that the purpose of locking or unlocking the rotating shaft 8 is achieved. In addition, the elastic member 4 is arranged between the driving wheel 5 and the housing of the motor 3, and the elastic force of the elastic member 4 is utilized to drive the driving wheel 5 and the driven wheel 6 to mesh with a certain meshing force, so that the torque output by the motor 3 can be effectively transmitted to a passive boundary to drive the sliding block 7 to move, and the meshing force between the driving wheel 5 and the driving wheel is utilized to push the driving wheel 5 back to separate from the driven wheel 6 when the motor 3 excessively rotates, thereby blocking the transmission of the torque and achieving the purpose of protecting the sliding block 7 and the locking shaft 71.

The foregoing disclosure is merely illustrative of the principles of the present utility model, and thus, it is intended that the scope of the utility model be limited thereto and not by this disclosure, but by the claims appended hereto.

Claims (9)

1. The utility model provides an electronic security protection lock of family expenses car boot which characterized in that: the driving wheel is circumferentially fixed and axially slidably arranged at the output end of the motor; the elastic piece is arranged between the driving wheel and the shell of the motor so as to drive the driving wheel to be meshed with the driven wheel; a swing arm is arranged on the driven wheel, one end of the swing arm is pivoted with the sliding block, the sliding block is slidingly arranged on the shell, and the sliding block is provided with a locking shaft; the rotating shaft is rotatably arranged on the shell, a locking hole is formed in one side of the rotating shaft, and the locking shaft can be inserted into or withdrawn from the locking hole so as to lock or release the rotating shaft; the handle is connected to one end of the rotating shaft to drive the rotating shaft to rotate.

2. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: a first damper Long Pinghua is arranged between the motor shell and the elastic piece, and a second damper Long Pinghua is arranged between the driving wheel and the elastic piece.

3. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: the motor also comprises a cover body, wherein the cover body is arranged in the shell and covers the outside of the motor.

4. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: the shell comprises an upper cover and a lower cover, and the upper cover is covered on the lower cover.

5. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: the sliding block is provided with a guide hole, the shell is provided with a guide column, and the guide column is in sliding fit with the guide hole.

6. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: the rotary shaft is provided with an annular groove, and the clamping ring is clamped in the annular groove to limit the axial movement of the rotary shaft.

7. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: the motor is a speed reducing motor.

8. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: the driven wheel comprises a sleeve, one end of the sleeve is provided with a containing cavity, the inner bottom surface of the containing cavity is provided with driven wheel teeth meshed with the driving wheel, and the other end of the sleeve radially extends out of the swing arm.

9. The electric security lock for a trunk of a household car as claimed in claim 1, wherein: one end of the swing arm is provided with a sliding shaft, the sliding block is provided with a sliding chute, and the sliding shaft is slidingly arranged in the sliding chute.