CN211923869U

CN211923869U - Automobile door lock

Info

Publication number: CN211923869U
Application number: CN201922480710.XU
Authority: CN
Inventors: 田桂科; 马耀辉; 林磊; 蔡桥洪; 魏程; 张昊
Original assignee: Zhejiang Xinheng Electric Technology Co ltd
Current assignee: Zhejiang Xinheng Electric Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-13
Anticipated expiration: 2029-12-31

Abstract

The utility model aims at providing a cardboard is relatively independent with a driving motor, and cardboard half lock rotates and resets can not cause the automobile door lock of influence to a driving motor. In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automobile door lock, includes the lock body casing, rotatable being fixed with in the lock body casing is equipped with cardboard and pawl, its characterized in that rotatable being fixed with in the lock body casing promotes the piece, promote the piece and link with a actuating mechanism, a actuating mechanism includes a driving motor, it has the first contact site that is used for with the cardboard contact to promote the piece, under a driving mechanism's effect, promotes the piece rotation so that first contact site and cardboard contact and promote the cardboard rotation.

Description

Automobile door lock

Technical Field

The utility model relates to an automobile door lock.

Background

At present, a lock body of an automobile door lock is matched with a first driving motor to be used together, a locking claw and a clamping plate are arranged in the lock body, the first driving motor is used for enabling the clamping plate to rotate and arranged outside the lock body, and the first driving motor and the clamping plate are connected through a pull wire. The door is closed so that the hasp striking cardboard of door to make the cardboard rotate to half lock position, then first driving motor begins to rotate, in order to drive to act as go-between pulling cardboard and rotate to full lock position, then carry out the maintenance of cardboard position through the pawl. However, no matter the half lock of the clamping plate moves or resets after being unlocked, even the shaking of the clamping plate can affect the pull wire and the first driving motor, so that the structure of the suction lock matched with the automobile door lock is very complex, and the fault is easy to occur.

Disclosure of Invention

The utility model aims at providing a cardboard is relatively independent with a driving motor, and cardboard half lock rotates and resets can not cause the automobile door lock of influence to a driving motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automobile door lock, includes the lock body casing, rotatable being fixed with in the lock body casing is equipped with cardboard and pawl, its characterized in that rotatable being fixed with in the lock body casing promotes the piece, promote the piece and link with a actuating mechanism, a actuating mechanism includes a driving motor, it has the first contact site that is used for with the cardboard contact to promote the piece, under a driving mechanism's effect, promotes the piece rotation so that first contact site and cardboard contact and promote the cardboard rotation.

The utility model discloses a not direct linkage between first driving motor and cardboard, the door drives the rotation of cardboard and the restoration of cardboard can not cause the influence to first driving motor in addition, so that the utility model discloses door lock structure and first actuating mechanism's mechanical structure is more simple, and electrical control sets up more simply.

Preferably, the pushing block is matched with a first spring, and a first contact part of the pushing block moves away from the card board side under the action of the first spring; the pushing block is rotatably fixed in the lock body shell through a first fixing shaft, and the first spring is a torsion spring and is sleeved on the first fixing shaft. When the first driving motor is reversely rotated and reset to enable the pull wire to be loosened, the pushing block is reset under the action of the first spring, so that the pushing block and the clamping plate are separated from each other.

Preferably, the part of the pushing block deviating from the first contact part is fixed with one end of the pull wire, the first driving mechanism is arranged outside the lock shell, and the other end of the pull wire extends out of the lock shell and is linked with the first driving mechanism. Wherein, the fixing of the end part of the pull wire and the pushing block can be realized by adopting any existing mode. The first driving mechanism can adopt a structure of a conventional automobile door suction lock.

Preferably, the clamping plate is provided with a plurality of first control switches on the side thereof, the clamping plate is provided with protrusions or grooves matched with the first control switches, contact ends of the first control switches are in contact with the protrusions or extend into the grooves, the clamping plate rotates to trigger the control switches, and the first control switches are triggered to send signals to start and stop the first driving motors of the first driving mechanisms.

First control switch's setting is so that opening and stall of a driving motor, and the cardboard rotates to half lock position so that first control switch triggers in order to realize that first actuating mechanism drives and promotes the piece and rotate, and after the cardboard rotated to full lock position, first control switch was used for making first actuating mechanism stall or reversal reset.

Preferably, the clamping plate is provided with a first control switch A and a first control switch B on the side, the clamping plate rotates to trigger the first control switch A so that the first driving motor drives the clamping plate to continue rotating through the pushing block, and when the clamping plate rotates to the limit position, the first control switch B is triggered so that the first driving motor stops rotating and/or rotates reversely; the clamping plate is fixedly provided with a first linkage column, the side face of the first linkage column is provided with the protrusions or the grooves, the clamping plate rotates by taking the axis of the first linkage column as the center and drives the first linkage column to rotate together, and the protrusions and/or the grooves are sequentially arranged along the axial direction of the first linkage column.

Preferably, a swing arm is rotatably fixed in the lock body housing, the swing arm is linked with the second drive mechanism, the swing arm has a second contact portion for contacting a latch pawl, the latch pawl is provided with a second spring, the card board is provided with a third spring, the latch pawl has a third contact portion for contacting the card board, the latch pawl rotates under the action of the second spring and causes the third contact portion to contact the card board, the swing arm rotates under the action of the second drive mechanism and causes the second contact portion to contact the latch pawl and pushes the latch pawl to rotate, thereby causing the third contact portion of the latch pawl to move away from the card board side and causing the card board to rotate under the action of the third spring to reset.

The swing arm is arranged to rotate the latch pawl to effect resetting of the catch plate. The utility model discloses can also realize that the automatically controlled locking of cardboard is relieved to make lock body inner structure more simple, manufacturing cost is lower

Preferably, the second driving mechanism comprises a second driving motor, a worm and gear structure is arranged between the second driving motor and the swing arm, a worm in the worm and gear structure is linked with an output shaft of the second driving motor, a worm wheel in the worm and gear structure is rotatably fixed with the lock body shell, a second linkage column is fixed on an axial surface of the worm wheel, a movable groove is formed in the swing arm, the second linkage column extends into the movable groove, and the worm wheel rotates to enable the second linkage column to drive the swing arm to rotate.

The rotation of the locking pawl is realized by improving large torque through adopting a worm gear structure. Wherein the second linkage post can be fixed to the worm gear in various ways. Wherein, the movable block can be a strip-shaped groove and also can be an arc-shaped groove.

Preferably, the worm is a multi-start worm so that a non-self-locking worm and gear structure is formed between the worm and the worm gear; the worm wheel is matched with a fourth spring, and the worm wheel rotates under the action of the fourth spring to reset. When the second driving motor stops rotating, the worm wheel resets under the action of the fourth spring and drives the swing arm to reset, so that the next unlocking operation is facilitated. The electric control second driving motor can be stopped in various modes, the number of rotation turns of the second driving motor at each time or the power-on time of the second driving motor can be fixed, a control switch (a microswitch or a travel switch) can be arranged to judge whether the locking pawl or the clamping plate is reset, and then the control switch sends a signal to stop the second driving motor.

Preferably, the card board is matched with a plurality of second control switches, the second control switches are used for enabling the second driving motor of the second driving mechanism to rotate reversely and/or stop rotating, and the card board is reset in a rotating mode so that the second control switches control the second driving motor to rotate reversely. When setting up second control switch, can judge whether pawl or cardboard reset through second control switch, then control switch sends the signal in order to realize the reversal of second driving motor to realize the resetting of worm wheel and swing arm.

Preferably, the swing arm or the locking pawl is provided with a manual shifting block, the manual shifting block is rotatably fixed with the lock body shell, the manual shifting block is provided with a fourth contact part contacted with the swing arm or the locking pawl, and the manual shifting block rotates to enable the fourth contact part to be contacted with the swing arm or the locking pawl and enable the third contact part of the locking pawl to move to the side far away from the clamping plate; and a fourth spring is fixed on the manual shifting block, and the manual shifting block is reset under the action of the fourth spring.

The utility model has the advantages that the cardboard is relatively independent from the first driving motor of the suction device, the cardboard half-lock rotates and resets without influencing the first driving motor, so that the mechanical structure of the first driving mechanism can be set more simply, and the related electrical setting of the first driving mechanism is simpler; just the utility model discloses can also automatically controlled realize that the locking of cardboard is relieved to make lock body inner structure more simple, manufacturing cost is lower.

Drawings

FIG. 1 is a schematic view of the chuck plate of the present invention in a fully locked position with the lock body housing removed;

fig. 2 is another schematic structural diagram of the chuck plate of the present invention in the full locking position after the lock body housing is removed.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

By figure 1, as shown in figure 2, the utility model discloses an automobile door lock, including the lock body casing, the internal rotatable cardboard 1 that is fixed with of lock body casing, pawl 2 and promotion piece 3, promote piece 3 and the linkage of first actuating mechanism, first actuating mechanism sets up outside the lock body casing, first actuating mechanism includes a driving motor, it has the first contact site 31 that is used for with cardboard 1 contact to promote piece 3, under a driving mechanism's effect, promote 3 rotations of piece so that first contact site 31 and cardboard 1 contact and promote cardboard 1 rotation so that the cardboard removes to full lock position from half lock position. The fixing structure of the clamping plate 1 and the locking pawl 2 and the lock body shell can adopt any fixing structure in the prior art.

The push block 3 is fitted with a first spring 32, and the first contact portion 31 of the push block 3 is moved away from the card plate 1 side by the first spring 32. The pushing block 3 is rotatably fixed in the lock body shell through a first fixing shaft 33, the first spring 32 is a torsion spring and is sleeved on the first fixing shaft 33, one end of the first spring 32 is fixed with the pushing block 3, and the other end of the first spring is fixed with the lock body shell. The part of the pushing block 3 deviating from the first contact part 31 is fixed with one end of the pull wire 34, and the other end of the pull wire 34 extends out of the lock body shell and is linked with the first driving mechanism. The first driving mechanism may be any one of the door lock suction devices in the prior art.

The clamping plate 1 is provided with two first control switches on one side, the clamping plate 1 is provided with two protrusions matched with the first control switches and comprises first protrusions 12 and second protrusions 13, the first protrusions 12 are used for being in contact with contact ends of the first control switches A, the clamping plate 1 rotates to enable the first protrusions 12 to be in contact with the contact ends of the first control switches A, so that the first control switches A are triggered, and the first control switches A send signals to enable a first driving motor of a first driving mechanism to start to rotate. At this time, before the card board is not in the full-locking position, the second protrusion 13 is always in contact with the contact end of the second control switch B, and when the card board 1 rotates to the full-locking position, the second protrusion 13 is separated from the contact end of the second control switch B, so that the second control switch B sends a signal to stop the first driving motor of the first driving mechanism.

The clamping plate 1 is fixedly provided with a first linkage column 11, a first protrusion 12 and a second protrusion 13 are formed on the side surface of the first linkage column 11, the two protrusions are sequentially arranged along the axial direction 11 of the first linkage column, and the clamping plate 1 rotates by taking the axial line of the first linkage column 11 as the center and drives the first linkage column 11 to rotate together.

In the prior art, a take-up pulley is arranged in the first driving mechanism, the take-up pulley is rotated to tension the pull wire and rotate the clamping plate, a reset switch can be arranged on the side of the take-up pulley, whether the take-up pulley rotates to a set position or not is judged through the reset switch, and the position of the take-up pulley is judged so that the first driving motor rotates reversely to drive the reset of the pull wire 34.

A swing arm 5 is rotatably fixed in the lock body shell, the swing arm 5 is linked with a second driving mechanism, the second driving mechanism comprises a second driving motor 6 and is arranged in the lock body shell, the swing arm 5 is provided with a second contact part 51 used for contacting with the stop pawl 2, the stop pawl 2 is matched with a second spring 21, the card board 1 is matched with a third spring 14, the stop pawl 2 is provided with a third contact part 22 used for contacting with the card board 1, the stop pawl 2 rotates under the action of the second spring 21 and enables the third contact part 22 to contact with the card board 1, the swing arm 5 rotates under the action of the second driving mechanism and enables the second contact part 51 to contact with the stop pawl 2 and pushes the stop pawl 2 to rotate, so that the third contact part 22 of the stop pawl 2 moves to the side far away from the card board 1, and the card board 1 rotates under the action of the third spring 21 to reset. Wherein, the second spring 21 and the third spring 14 are both torsion springs and are both arranged by adopting a conventional fixing structure in the prior art.

A worm gear structure is arranged between the second driving motor 6 and the swing arm 5, a worm 71 in the worm gear structure is coaxially fixed and linked with an output shaft of the second driving motor 6, a worm wheel 72 in the worm gear structure is rotatably fixed with the lock body shell, a linkage column fixing groove 73 is formed in the axial face of the worm wheel 72, a second linkage column is fixed on the axial face of the worm wheel 72, a movable groove 53 is formed in the swing arm 5, the second linkage column extends into the movable groove 53, and the worm wheel 72 rotates to enable the second linkage column to drive the swing arm 5 to rotate. The clamping plate 1 is matched with a second control switch, the second control switch is used for enabling a second driving motor of the second driving mechanism to rotate reversely, and the clamping plate 1 is rotated and reset to enable the second control switch to control the second driving motor 6 to rotate reversely. The second control switch and the first control switch A are the same control switch, and when the clamping plate 1 is reset to enable the contact end of the first protrusion 12 to be separated from the contact end of the first control switch A, the first control switch A sends a signal to enable the second driving motor 6 to rotate reversely. Wherein, the rotation time or the number of rotations after the second driving motor receives the signal can be fixed, so that the worm wheel can be reset to the original position.

The swing arm 5 is provided with a manual shifting block 8, the manual shifting block 8 is rotatably fixed with the lock body shell through a rotating shaft, the manual shifting block 8 is provided with a fourth contact part 81 contacted with the swing arm 5, and the manual shifting block 8 rotates to enable the fourth contact part 81 to be contacted with the swing arm 5 and enable the third contact part 22 of the stop pawl 2 to move to the side far away from the clamping plate 1.

When the vehicle door is closed, the clamping plate can be pushed to rotate so that the clamping plate is in a half-locking state, so that the first protrusion of the first linkage column on the clamping plate is in contact with the contact end of the first control switch A, the first driving mechanism of the external suction device rotates the take-up pulley, the pushing block rotates in a pull wire pulling mode, the first contact part of the pushing block is in contact with the clamping plate, and the clamping plate rotates under the action of the pushing block to realize full locking. When the clamping plate rotates from the half-locking position to the full-locking position, the contact end of the first control switch A is always in contact with the first protrusion. When the clamping plate does not reach the full-locking position, the contact end of the first control switch B is always in contact with the second protrusion. When the clamping plate rotates to a full-locking state under the action of the first driving mechanism, the contact end of the first control switch B is separated from the second protrusion, so that the first control switch B sends a signal to stop the first driving motor; and at the moment, the stopping pawl rotates under the action of the second spring and limits the rotation of the clamping plate.

When the automobile door needs to be opened, the second driving motor controls the swing arm to swing, the swing arm overcomes the elastic force of the second spring on the locking claw and pushes the locking claw to rotate so as to release the locking of the locking claw on the clamping plate, and after the automobile door is opened, the clamping plate is reset under the action of the third spring.

The utility model has the advantages that the clamp plate is relatively independent from the first driving motor, the rotation and the reset of the semi-lock of the clamp plate can not affect the first driving motor, so that the mechanical structure of the first driving mechanism can be set more simply, and the related electrical setting of the first driving mechanism is simpler; just the utility model discloses can also automatically controlled realize that the locking of cardboard is relieved to make lock body inner structure more simple, manufacturing cost is lower.

Claims

1. The utility model provides an automobile door lock, includes the lock body casing, rotatable being fixed with in the lock body casing is equipped with cardboard and pawl, its characterized in that rotatable being fixed with in the lock body casing promotes the piece, promote the piece and link with a actuating mechanism, a actuating mechanism includes a driving motor, it has the first contact site that is used for with the cardboard contact to promote the piece, under a driving mechanism's effect, promotes the piece rotation so that first contact site and cardboard contact and promote the cardboard rotation.

2. An automobile door lock according to claim 1, wherein the pusher block is provided with a first spring, and the first contact portion of the pusher block is moved away from the card side by the first spring; the pushing block is rotatably fixed in the lock body shell through a first fixing shaft, and the first spring is a torsion spring and is sleeved on the first fixing shaft.

3. An automobile door lock according to claim 1, wherein a portion of the pushing block that is offset from the first contact portion is fixed to one end of the pull wire, the first actuating mechanism is disposed outside the lock body housing, and the other end of the pull wire extends outside the lock body housing and is linked with the first actuating mechanism.

4. An automobile door lock according to claim 1, wherein the side of the card board is provided with a plurality of first control switches, the card board is provided with protrusions or grooves which are matched with the first control switches, contact ends of the first control switches are contacted with the protrusions or extend into the grooves, the card board rotates to enable the first control switches to be triggered, and the first control switches are triggered to send signals to enable and disable the first driving motors of the first driving mechanisms.

5. An automobile door lock according to claim 4, characterized in that the card board is provided with a first control switch A and a first control switch B, the card board rotates to trigger the first control switch A to enable the first driving motor to drive the card board to continue rotating through the pushing block, and when the card board rotates to the extreme position, the first control switch B is triggered to enable the first driving motor to stop rotating and/or reverse rotating; the clamping plate is fixedly provided with a first linkage column, the side face of the first linkage column is provided with the protrusions or the grooves, the clamping plate rotates by taking the axis of the first linkage column as the center and drives the first linkage column to rotate together, and the protrusions and/or the grooves are sequentially arranged along the axial direction of the first linkage column.

6. An automobile door lock according to claim 1, wherein a swing arm is rotatably fixed in the lock body housing, the swing arm is linked with a second drive mechanism, the swing arm has a second contact portion for contacting with a latch pawl, the latch pawl is provided with a second spring, the latch pawl is provided with a third contact portion for contacting with a latch plate, the latch pawl rotates under the action of the second spring and causes the third contact portion to contact with the latch plate, the swing arm rotates under the action of the second drive mechanism and causes the second contact portion to contact with the latch pawl and pushes the latch pawl to rotate, thereby causing the third contact portion of the latch pawl to move away from the latch plate side and causing the latch plate to rotate under the action of the third spring to return.

7. An automobile door lock according to claim 6, characterized in that the second driving mechanism includes a second driving motor, a worm gear structure is provided between the second driving motor and the swing arm, a worm in the worm gear structure is linked with an output shaft of the second driving motor, a worm wheel in the worm gear structure is rotatably fixed with the lock body housing, a second linking column is fixed at an axial surface of the worm wheel, a movable slot is provided on the swing arm, the second linking column extends into the movable slot, and the worm wheel rotates to make the second linking column drive the swing arm to rotate.

8. An automobile door lock according to claim 7, characterized in that the worm is a multi-start worm so that a non-self-locking worm gear structure is formed between the worm and the worm wheel; the worm wheel is matched with a fourth spring, and the worm wheel rotates under the action of the fourth spring to reset.

9. A vehicle door lock according to claim 6, wherein the catch plate is provided with a plurality of second control switches for reversing and/or deactivating the second drive motor of the second drive mechanism, the catch plate being rotationally reset such that said second control switches control the second drive motor to reverse.

10. A vehicle door lock according to claim 6, wherein said swing arm or said holding pawl is provided with a manual paddle rotatably fixed to said lock body housing, said manual paddle having a fourth contact portion in contact with said swing arm or said holding pawl, said manual paddle being rotated to bring said fourth contact portion into contact with said swing arm or said holding pawl and to move said third contact portion of said holding pawl away from said chuck side; and a fourth spring is fixed on the manual shifting block, and the manual shifting block is reset under the action of the fourth spring.