CN214886291U

CN214886291U - Electric tail door lock for automobile

Info

Publication number: CN214886291U
Application number: CN202120816046.6U
Authority: CN
Inventors: 舒冬冬; 范捷; 陈新宇; 舒畅; 郑定海
Original assignee: Zhejiang Tianyue Automobile Parts Co ltd
Current assignee: Zhejiang Tianyue Automobile Parts Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-26
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses an automobile electric tail door lock, which comprises a big spring bolt, a small spring bolt, a self-absorption unlocking part and a control part, wherein the big spring bolt is provided with a lock groove and a shifting ratchet groove, and the lock groove and the shifting ratchet groove are clockwise to a stopping end; the small lock tongue is pressed with the large lock tongue, and the locking end of the lock groove is provided with a notch matched with the small lock tongue in a locking way; the self-absorption unlocking component comprises a motor, a driving rod, a shifting rod and an unlocking arm, and the control component comprises a position sensor and a controller; the utility model discloses the structure is retrencied, only adopts a motor can be from inhaling full lock, also can automatic unblock, and overall structure is very exquisite, not only simple to operate, and is with low costs moreover, and the practicality is strong.

Description

Electric tail door lock for automobile

Technical Field

The utility model relates to an automobile tail door lock, in particular to are automobile electric tail door locks with from inhaling function.

Background

The tail gate lock of the high-grade car has a self-absorption function, and the tail gate can be automatically closed when in a half-lock state, so that the potential safety hazard that the car door is not closed due to negligence is solved. However, the tail door lock with the self-absorption function is quite complicated in structure, the self-absorption part and the unlocking part of the tail door lock are separately and independently arranged, and the tail door lock is driven by a plurality of motors, so that the tail door lock is large in size, inconvenient to install and high in cost.

Disclosure of Invention

In view of the technical problem who exists among the background art, the utility model aims at providing a compact structure, simple to operate and with low costs electronic tail-gate lock of car.

In order to solve the technical problem, the utility model discloses a following technical scheme: this kind of electronic tail-gate lock of car, its characterized in that: comprises that

The large spring bolt is rotatably arranged on the shell and is connected with a first return torsion spring, the large spring bolt is provided with a lock groove and a shifting ratchet groove, and the lock groove and the shifting ratchet groove are fixed to a stop end in the clockwise direction;

the small spring bolt is rotatably arranged on the shell and is connected with a second return torsion spring, the small spring bolt is pressed with the large spring bolt, and the stopping end of the lock groove is provided with a notch matched with the small spring bolt in a stopping way;

a self-priming unlocking part which comprises

The output end of the motor is connected with the cam in a transmission way,

a driving rod rotatably mounted on the housing, one end of the driving rod being hinged to the cam,

a deflector rod which is rotatably arranged on the driving rod and is connected with a return torsion spring III, wherein the deflector rod is provided with a deflector claw which is in poking fit with the poking ratchet groove,

the unlocking arm is rotatably arranged on the shell and is in unlocking fit with the cam, the unlocking arm is provided with a linkage block in swing fit with the shifting lever, and the small spring bolt is provided with a transmission block in swing fit with the unlocking arm;

and a control part including

A position sensor mounted on the housing,

and the motor and the position sensor are connected with the controller.

The utility model discloses the structure is retrencied, only adopts a motor can be from inhaling full lock, also can automatic unblock, and overall structure is very exquisite, not only simple to operate, and is with low costs moreover, and the practicality is strong.

Preferably, the shell is provided with a limiting block, the unlocking arm is connected with a return torsion spring IV which enables the unlocking arm to press the limiting block, and the unlocking arm is pressed with the cam in a pressing mode when the working condition is unlocked.

Preferably, the position sensor comprises a self-priming sensor;

the swing arm is rotatably installed on the shell and is in induction fit with the self-suction driver, the swing arm is connected with a return torsion spring IV, and a driving block in swing fit with the swing arm is arranged on the shifting lever.

Preferably, the position sensor comprises a position sensor;

the small lock tongue or the unlocking arm is in induction fit with the in-place sensor.

Preferably, the large lock tongue is provided with an unlocking limiting arm, the unlocking limiting arm is connected with the shifting ratchet groove, and the unlocking limiting arm is arranged in the clockwise direction of the shifting ratchet groove.

Preferably, the position sensor comprises a reset sensor;

the cam is in induction fit with the reset sensor.

The utility model discloses a whether detect the tail-gate respectively from inhaling the sensor, target in place sensor and reset sensor and be in half lock state or full lock state and motor and reset, position sensor gives the controller with the information transmission that detects, by the operation of controller control motor, makes the tail-gate lock locking of half lock, eliminates the potential safety hazard.

Preferably, the electric automobile tail door lock further comprises a manual unlocking component which comprises an unlocking arm, the unlocking arm is rotatably installed on the shell, one end of the unlocking arm is connected with the pull rope, and the small lock tongue is provided with a transmission block matched with the unlocking arm in a swinging mode. The user can also open the tail door lock manually, can use in the state that the motor became invalid.

Drawings

Fig. 1 is a schematic view 1 of the present invention.

Fig. 2 is a schematic diagram 2 of the present invention.

Fig. 3 is a front view of the half-locked state of the present invention.

Fig. 4 is a front view of the fully locked state of the present invention.

Fig. 5 is a front view of the unlocking state of the present invention.

Detailed Description

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The electric tail door lock for the automobile comprises a large lock tongue 1, a small lock tongue 2, a self-absorption unlocking part and a control part, wherein the large lock tongue 1 is rotatably installed on a shell 8, the large lock tongue is connected with a first return torsion spring, the large lock tongue is anticlockwise turned to an unlocking state by the elasticity of the first return torsion spring, the large lock tongue 1 is provided with a lock groove 13 and a shifting ratchet groove 3, the lock groove and the shifting ratchet groove are clockwise to be a stopping end, and the shifting ratchet groove 3 can slide anticlockwise; the small spring bolt 2 is rotatably installed on the shell 8 and is connected with a second return torsion spring, the small spring bolt 2 is in press fit with the large spring bolt 1, the small spring bolt is pressed towards the large spring bolt by the second return torsion spring, a stopping end of the lock groove 13 is provided with a notch 4 in stopping fit with the small spring bolt, and the stopping end of the lock groove forms a step by the notch, so that the small spring bolt and the large spring bolt are clamped and stopped; when the lock is fully locked, the large spring bolt 1 rotates clockwise, the small spring bolt slides on the shifting ratchet groove back of the large spring bolt until entering the notch 4, the large spring bolt stops rotating, the first return torsion spring is pressed to the small spring bolt by the elasticity of the first return torsion spring, the small spring bolt is also pressed to the notch of the large spring bolt, the two are pressed mutually, and the large spring bolt is locked in a fully locked state. The self-absorption unlocking component comprises a motor 16, a driving rod 15, a shifting lever 9 and an unlocking arm 6, wherein the output end of the motor is in transmission connection with a cam 7, the driving rod 15 is rotatably installed on a shell, one end of the driving rod is hinged with the cam 7, the shifting lever 9 is rotatably installed on the driving rod 15 and is connected with a return torsion spring III, a shifting claw 5 which is in shifting fit with a shifting ratchet groove 3 is arranged on the shifting lever, the elastic force of the return torsion spring III enables the shifting claw of the shifting lever to always press the large bolt, the unlocking arm 6 is rotatably installed on a shell 8 and is in unlocking fit with the cam 7, namely the cam 7 drives the unlocking arm 6 to swing to realize unlocking, the swinging tracks of the unlocking arm and the driving rod 15 are different, two cams can be adopted or two curved surface structures are designed on one cam to respectively drive the driving rod to unlock arm, the shell is provided with a limiting block, the figure is not shown, the unlocking arm 6 is connected with a return torsion spring IV which enables the unlocking arm to press towards the limiting block, the unlocking arm 6 is in press fit with the cam 7 under the unlocking working condition, the press fit part of the cam and the unlocking arm is an unlocking driving surface, namely, the unlocking driving surface of the cam is arranged on the left side of the limiting block during unlocking, the unlocking arm is in press fit with the cam and is not in contact with the limiting block, the cam drives the unlocking arm to swing leftwards, which is equivalent to anticlockwise swing, but under the half-locking and full-locking working conditions, the unlocking driving surface of the cam moves to the right side of the limiting block, at the moment, the unlocking arm is pressed on the limiting block, the unlocking arm is separated from the cam due to the blocking of the limiting block, the unlocking arm is provided with a linkage block 11 in swing fit with a deflector rod, the small bolt is provided with a transmission block 12 in swing fit with the unlocking arm, and in the half-locking state, the shifting claw 5 is arranged in the shifting ratchet groove 3, the driving rod 15 swings downwards when the lock is fully locked, the pusher dog 5 pushes the large lock tongue 1 to rotate clockwise, and finally the full lock is realized, the unlocking arm is always pressed with the limiting block in the two states and is not influenced by the rotation of the cam, as shown in the attached drawing, a transmission block 12 of the small lock tongue is arranged on the left side of the unlocking arm 6, a linkage 11 block on the unlocking arm is arranged below the shifting lever 9, and the small lock tongue and the shifting lever are not influenced by the unlocking arm; when the lock is unlocked, the motor drives the cam 7 to rotate reversely, the cam drives the unlocking arm 6 to swing leftwards, the unlocking arm drives the shifting lever to lift the shifting claw 5 upwards to be separated from the large lock tongue 1, and meanwhile, the unlocking arm drives the transmission block 12 to separate the small lock tongue 2 from the large lock tongue. The unlocking arm is further connected with a pull rope, a user can manually open the tail door lock, the pull rope is manually driven, the elastic force of the return torsion spring IV is overcome, the unlocking arm swings leftwards, the small spring bolt is separated from the pusher dog and the large spring bolt, the large spring bolt 1 is not limited, and the unlocking is realized by anticlockwise rotation under the driving of the return torsion spring I.

The control component comprises a position sensor and a controller, the position sensor is arranged on the shell, the motor and the position sensor are both connected with the controller, namely, after the position sensor detects the rotating position of the big lock tongue, the position sensor sends information to the controller, the controller sends an instruction to the motor 16, for example, the position sensor detects that the big lock tongue is in a half-locking state, see figure 3, at the moment, the small lock tongue 2 is pressed on the shifting ratchet groove back 3, namely, the side surface of the big lock tongue 2 is pressed with the small lock tongue, the pusher dog 5 is pressed on the shifting ratchet groove 3 and is pressed with the stopping end of the shifting ratchet groove, after the controller receives the half-locking information, the motor operates to drive the cam 7 to rotate clockwise, so that the end of the driving rod provided with the shifting rod 6 swings downwards, the pusher dog 5 of the shifting rod pushes the big lock tongue to rotate clockwise, see figure 4, the shifting ratchet groove back of the small lock tongue 2 slides upwards, when the big lock tongue 1 enters the notch 4, the motor rotates reversely, the cam drives the driving rod to swing reversely, the return torsion spring III enables the pusher dog of the shifting rod to move reversely along the back of the shifting ratchet groove, the big lock tongue is not pushed by the pusher dog 5, the elasticity of the return torsion spring I enables the big lock tongue to press the small lock tongue, the big lock tongue and the small lock tongue are restricted with each other, the big lock tongue 1 is locked in a full-locking state, the motor drives the cam to stop running after being reset, and therefore automatic full locking is achieved; when the lock is unlocked, the motor rotates reversely, the driving cam rotates anticlockwise, the cam pushes the unlocking arm 6 to swing clockwise, the linkage block 11 on the unlocking arm drives the shifting lever to lift upwards, the shifting claw 5 is separated from the large spring bolt, the unlocking arm swings and further pushes the transmission block 12, the small spring bolt 2 swings leftwards to be separated from the notch 4, the large spring bolt is not limited by the small spring bolt and the shifting claw, the large spring bolt rotates anticlockwise under the driving of the first return torsion spring, and the locking bolt of the tail gate can be separated from the locking groove and is in an unlocking state at the moment, see the attached drawing 5. The utility model discloses a motor can be from inhaling the full lock, also can automatic unblock, and overall structure is very exquisite, and not only simple to operate is with low costs moreover, and the practicality is strong. The utility model discloses the structure is retrencied, only adopts a motor can be from inhaling full lock, also can automatic unblock, and overall structure is very exquisite, not only simple to operate, and is with low costs moreover, and the practicality is strong.

In order to accurately position the big lock tongue, the position sensor comprises a self-absorption sensor 14 and an in-place sensor 17, a swing arm 19 is rotatably mounted on the shell and is matched with the self-absorption actuator 14 in a sensing mode, the swing arm is connected with a return torsion spring IV, a driving block 20 in swing fit with the swing arm is arranged on the shifting rod 9 and is arranged on the right side of the swing arm, the swing arm is always pressed to the driving block 20 by the elasticity of the return torsion spring IV, the shifting rod drives the swing arm to swing through the driving block when the cam 7 drives the shifting rod to swing, the swing arm and the self-absorption sensor have two states, one state is that the self-absorption sensor is in an opening signal when the distance between the swing arm and the self-absorption sensor is close, and the other state is in a half-locking signal when the distance between the swing arm and the self-absorption sensor is increased; the small bolt 2 is matched with the in-place sensor 17 in a sensing mode, the two states are also provided, when the self-suction sensor detects that the distance between the small bolt and the in-place sensor is close, the self-suction sensor is used for opening a signal, when the distance between the small bolt and the self-suction sensor is increased, the self-suction sensor is used for fully locking the signal, and the matching use effect of the self-suction sensor 14 and the in-place sensor 17 is optimal. When big spring bolt 1 is in half lock state, it is big with the distance of swing arm looks response from inhaling the sensor, from inhaling the information transmission that the sensor will detect and giving the controller, controller send instruction gives the motor, and the motor starts, drives the driving lever swing, and the big spring bolt of driving lever drive clockwise rotation, when big spring bolt rotates to full lock state, driving lever drive swing arm swing left this moment, from inhaling the sensor and the distance of swing arm response diminishes, little spring bolt removes to the scarce inslot of big spring bolt, little spring bolt and the distance grow of the sensor that targets in place, and when the controller accepted above-mentioned information, the tail-gate lock was locked entirely, and motor antiport resets, resumes initial condition. Because of the utility model discloses a motor both had been used for from inhaling the full lock, was used for the unblock again, for accurate motor operation, all will reset after the motor operation at every turn, and it is too to get back to this section of initial. The large lock tongue 1 is provided with an unlocking limiting arm 21, the unlocking limiting arm is connected with a shifting ratchet groove 3 and is arranged in the clockwise direction of the shifting ratchet groove, after unlocking, a shifting claw 5 climbs onto the unlocking limiting arm 21, after the motor is reset, the shifting rod is not limited by a linkage block on the unlocking arm and is pressed to the large lock tongue 1 under the driving of a return spring III, the shifting claw is pressed with the unlocking limiting arm, the unlocking limiting arm and the shifting rod are arranged in a front-back staggered mode, and when a tail car door is closed, the large lock tongue can rotate clockwise without being blocked by the shifting rod; the position sensor includes a reset sensor 18; the cam 7 is in induction fit with the reset sensor, the cam is provided with an initial position, the motor rotates reversely after running until the reset sensor detects the initial position of the cam, and the motor stops, so that the motor can return to the initial state after running.

Claims

1. The utility model provides an electronic tail-gate lock of car which characterized in that: comprises that

a self-priming unlocking part which comprises

The output end of the motor is connected with the cam in a transmission way,

and a control part including

A position sensor mounted on the housing,

and the motor and the position sensor are connected with the controller.

2. The electric rear door lock for automobile according to claim 1, characterized in that: the shell is provided with a limiting block, the unlocking arm is connected with a return torsion spring IV which enables the unlocking arm to press the limiting block, and the unlocking arm is pressed with the cam in a pressing mode when the working condition is unlocked.

3. The electric rear door lock for automobile according to claim 1, characterized in that:

the position sensor comprises a self-absorption sensor;

4. The electric rear door lock for automobile according to claim 1, characterized in that:

the position sensor comprises an in-position sensor;

the small lock tongue is in induction fit with the in-place sensor.

5. The electric rear door lock for automobile according to claim 1, characterized in that: the big spring bolt is provided with an unlocking limiting arm, the unlocking limiting arm is connected with the shifting ratchet groove, and the unlocking limiting arm is arranged in the clockwise direction of the shifting ratchet groove.

6. The electric rear door lock for automobile according to claim 5, characterized in that:

the position sensor comprises a reset sensor;

the cam is in induction fit with the reset sensor.

7. The electric rear door lock for automobile according to claim 2, characterized in that: the unlocking arm is connected with a pull rope for connection.