CN219528724U - Anti-theft door lock - Google Patents

Anti-theft door lock Download PDF

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Publication number
CN219528724U
CN219528724U CN202320530188.5U CN202320530188U CN219528724U CN 219528724 U CN219528724 U CN 219528724U CN 202320530188 U CN202320530188 U CN 202320530188U CN 219528724 U CN219528724 U CN 219528724U
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CN
China
Prior art keywords
lock tongue
theft
driving
linkage
station
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Active
Application number
CN202320530188.5U
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Chinese (zh)
Inventor
范捷
苏忠益
余祥
岑超豪
王晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tianyue Automobile Parts Co ltd
Original Assignee
Zhejiang Tianyue Automobile Parts Co ltd
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Application filed by Zhejiang Tianyue Automobile Parts Co ltd filed Critical Zhejiang Tianyue Automobile Parts Co ltd
Priority to CN202320530188.5U priority Critical patent/CN219528724U/en
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Publication of CN219528724U publication Critical patent/CN219528724U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Lock And Its Accessories (AREA)

Abstract

The utility model discloses an anti-theft vehicle door lock, which comprises a lock body, an unlocking part and an anti-theft part, wherein the lock body comprises a large lock tongue and a small lock tongue, and the small lock tongue is provided with a failure groove and a linkage block; the unlocking part comprises a driving arm, and the driving arm is provided with a movable groove and a driving end; the anti-theft component comprises a linkage piece, an anti-theft pin and an anti-theft wheel, the linkage piece is in linkage with a rotating cam for driving the anti-theft pin, the anti-theft pin is arranged on a first swing arm, the anti-theft pin is axially arranged relative to a small lock tongue and penetrates through a movable groove of the driving arm to be arranged below a failure groove and a linkage block, the first swing arm is in linkage with the linkage piece for driving the anti-theft pin to move towards a failure station, a rotating shaft is arranged on the first swing arm, the rotating shaft moves in a sliding groove of the shell and can rotate in the sliding groove, the anti-theft wheel is provided with a first limiting plate for limiting the rotation of the linkage piece, and the first limiting plate moves between the limiting station and the movable station; when the anti-theft starting state is achieved, the first swing arm is at the failure station, the first limiting plate is at the limiting station, and anti-theft performance is enhanced.

Description

Anti-theft door lock
Technical Field
The utility model relates to an improved utility model of an automobile door lock, in particular to an automobile anti-theft door lock.
Background
When the small lock tongue swings to separate from the large lock tongue, the large lock tongue rotates to an unlocking state under the action of a return spring, and at the moment, the lock catch is separated from the lock groove, so that the vehicle door is opened. In the traditional automobile side door lock, a linkage arm is arranged for a small lock tongue, and after a vehicle door is locked, the linkage arm is in a failure state, so that the small lock tongue cannot be driven by pulling the linkage arm under the condition that the vehicle door is not unlocked, and the vehicle door cannot be opened; after unlocking, the linkage arm is in an effective state, and at the moment, the pull rope is manually pulled, drives the linkage arm to swing, and then drives the small lock tongue to swing, so that the door lock catch is separated from the lock groove, and the door is opened. That is, the door can be opened by moving the link arm to the active state, which increases the risk of theft of the vehicle. Therefore, the anti-theft performance of the existing automobile side door lock needs to be enhanced.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problem solved by the utility model aims to provide an anti-theft door lock.
In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of theftproof car lock, its characterized in that: comprises the following steps of
A housing;
a lock body comprising
The large lock tongue is rotatably arranged in the shell and is provided with a lock groove, the large lock tongue is connected with a return spring I which enables the large lock tongue to rotate towards an unlocking station, and one end of the lock groove is a stop end;
the small lock tongue is rotatably arranged in the shell and is connected with a second return spring which enables the lock tongue to swing towards the large lock tongue, the small lock tongue is provided with a lock tongue, a failure groove and a linkage block, the failure groove and the linkage block are adjacently arranged, and in a locking state, the lock tongue of the small lock tongue is pressed with a stop end of the lock groove;
the unlocking part comprises a driving arm which is arranged in the shell in a swinging way, the driving arm is connected with a return spring III for resetting the driving arm, and the driving arm is provided with a movable groove and a driving end;
and an anti-theft part, which comprises
A linkage member which is linked with a cam for driving the linkage member to rotate, the cam is connected with a first motor, the linkage member is connected with a return spring IV for resetting the linkage member,
the anti-theft pin is arranged on the first swing arm, the anti-theft pin is axially arranged relative to the small lock tongue and penetrates through the movable groove of the driving arm to be arranged below the failure groove and the linkage block, the first swing arm is linked with the linkage piece driving the first swing arm to move towards the failure station, the first swing arm is connected with the return spring five which enables the first swing arm to move towards the effective station, the first swing arm is provided with a rotating shaft which moves in the sliding groove of the shell and can rotate in the sliding groove,
the anti-theft wheel is connected with the second motor, a first limiting plate for limiting the rotation of the linkage piece is arranged on the anti-theft wheel, and the first limiting plate moves between a limiting station and a movable station;
when the anti-theft starting state is achieved, the first swing arm is at a failure station, and the first limiting plate is at a limiting station.
After the lock is closed, the first motor starts the overdrive cam to rotate, the cam pushes the linkage piece to drive the first swing arm to move towards the failure station against the elastic force of the return spring five, the anti-theft pin corresponds to the failure slot, at the moment, the end of the driving arm provided with the movable slot swings upwards, and the anti-theft pin moves upwards to enter the failure slot, so that the small lock tongue cannot be driven to swing, and the effect of closing the lock is achieved; if the anti-theft effect is increased, the second motor is required to be started, the anti-theft wheel rotates to enable the first limiting plate to move to the limiting station, the linkage piece is prevented from rotating towards the unlocking direction, the force of the linkage piece acting on the first swing arm is not relieved, the first swing arm stays at the failure station, the vehicle door cannot be opened, and the anti-theft effect is achieved.
Preferably, the driving end comprises an inner opening driving end and an outer opening driving end. The user can drive the driving arm from outside the vehicle or from inside the vehicle.
Preferably, the shell is provided with a first limiting part and a second limiting part, the first limiting part is used for limiting the large lock tongue at the unlocking station, and the second limiting part is used for limiting the small lock tongue at the locking station. The first limiting piece and the second limiting piece limit the rotation angles of the large lock tongue and the small lock tongue respectively, the first limiting piece enables the large lock tongue to stay at an unlocking station, and the second limiting piece enables the pin lock tongue to stay at the locking station.
Preferably, the linkage member comprises a connecting rod, and the connecting rod is respectively linked with the cam and the first swing arm. The cam acts on the connecting rod to enable the linkage piece to rotate, and the connecting rod pushes the first swing arm to move towards the failure station.
Preferably, the linkage piece is provided with a linkage groove, a driving block is arranged in the linkage groove, the driving block is arranged on a second swing arm, and the second swing arm is connected with the mechanical lock cylinder. The user can also adopt mechanical lock core to replace first motor to start, inserts the key in the mechanical lock core, makes mechanical lock core rotate, drives the linkage piece and rotates in turn, makes first swing arm remove to the station that loses efficacy.
Preferably, the inner opening driving end is linked with a rotary switch, and the rotation track of the rotary switch is perpendicular to the swing track of the driving arm. The rotary switch is connected with the pull rope which is opened inwards, so that the driving in two directions is solved.
Drawings
FIG. 1 is a schematic view of FIG. 1 of the present utility model in a locked state.
Fig. 2 is a schematic view of fig. 2 when the present utility model is locked.
Fig. 3 is a schematic diagram of the utility model after unlocking.
Fig. 4 is a front view of the present utility model in a locked state.
Fig. 5 is a top view of the present utility model in a locked position.
Fig. 6 is a rear view of the housing of the present utility model.
Detailed Description
The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings. The anti-theft door lock comprises a shell, a lock body, an unlocking part and an anti-theft part, wherein the lock body comprises a large lock tongue 1 and a small lock tongue 4, the large lock tongue 1 is rotatably arranged in the shell 5 and is provided with a lock groove 2, the large lock tongue is connected with a return spring I which enables the large lock tongue to rotate towards an unlocking station, and a stop end 28 is arranged at one end of the lock groove 2; the small lock tongue is rotatably arranged in the shell, the small lock tongue is connected with a second return spring which enables the lock tongue 3 to swing towards the large lock tongue, the small lock tongue is provided with the lock tongue 3, a failure groove 17 and a linkage block 18, the failure groove and the linkage block are adjacently arranged, and in a locking state, the lock tongue head 3 of the small lock tongue is pressed with the stop end of the lock groove 2; in order to limit the rotation angle of the large lock tongue, a first limiting piece is arranged on the shell and used for limiting the large lock tongue at an unlocking station, the elastic force of a first return spring enables the large lock tongue to rotate anticlockwise until the large lock tongue is blocked by the first limiting piece, and the large lock tongue 1 is enabled to stay at the unlocking station; similarly, to limit the rotation angle of the small lock tongue 4, a second limiting part is arranged on the shell and used for limiting the small lock tongue at the locking station, the small lock tongue is enabled to rotate clockwise by the elastic force of the second return spring until being blocked by the second limiting part, at the moment, the small lock tongue is stopped at the locking station, and the lock tongue of the small lock tongue can support the locking end of the large lock tongue, so that the large lock tongue is in a locking state.
The unlocking part comprises a driving arm 8, the driving arm is arranged in the shell in a swinging way, the driving arm is connected with a return spring III for resetting the driving arm, the driving arm is provided with a movable groove 10 and driving ends 19 and 23, the driving ends are connected with a pull rope, the driving ends comprise an inner opening driving end 23 and an outer opening driving end 19, a user can pull the driving arm from outside the automobile or from inside the automobile, and the driving arm 8 can swing and open the automobile door; the inner opening driving end 23 is linked with a rotary switch 25, the rotation track of the rotary switch is perpendicular to the swing track of the driving arm, and the rotary switch 15 is connected with the inner opening pull rope to solve the driving in two directions.
The anti-theft component comprises a linkage piece 6, an anti-theft pin 9 and an anti-theft wheel 13, wherein the linkage piece is in linkage with a cam 14 for driving the linkage piece to rotate, the cam is connected with a first motor 11, the linkage piece is connected with a return spring IV for resetting the linkage piece, the first motor 11 drives the cam 14 to rotate, the bulge part of the cam pushes the linkage piece 6, and when the low-lying part of the cam faces the linkage piece, the elasticity of the return spring IV enables the linkage piece to reversely rotate and reset; in the figure, the rotating track of the linkage piece 6 is perpendicular to the rotating track of the large lock tongue; the anti-theft pin 9 is arranged on the first swing arm 7, the anti-theft pin is axially arranged relative to the small lock tongue 4 and penetrates through the movable groove 10 of the driving arm to be arranged below the failure groove 17 and the linkage block 18, when the driving arm 8 swings, the driving arm 8 drives the anti-theft pin 9 to enable the first swing arm 7 to swing along with the anti-theft pin, the first swing arm is linked with the linkage piece 6 which drives the first swing arm to move towards the failure station, the first swing arm is connected with the return spring five which enables the first swing arm to move towards the effective station, in the figure, the linkage piece comprises a connecting rod 22, the connecting rod is respectively linked with the cam 14 and the first swing arm 7, the cam acts on the connecting rod to enable the linkage piece to rotate, and the connecting rod pushes the first swing arm to move towards the failure station. The first swing arm 7 is provided with a rotating shaft 26, the rotating shaft moves in a sliding groove of the shell and can rotate in a sliding groove 27, and the sliding groove plays a role in guiding and limiting. The anti-theft wheel 13 is connected with the second motor 12, the anti-theft wheel is provided with a first limiting plate 24 for limiting the rotation of the linkage piece, the first limiting plate moves between a limiting station and a movable station, and in the figure, the linkage piece 6 is provided with a second limiting plate 25 matched with the first limiting plate; in the anti-theft starting state, the first swing arm 7 is at a failure station, and the first limiting plate is at a limiting station.
When the vehicle door is closed, the lock catch of the vehicle door is pressed into the lock groove 2, the small lock tongue 4 swings to a locking station under the action of the second return spring, the large lock tongue 1 rotates to a locking state, and the stop end 28 of the lock groove is pressed on the lock tongue 3 of the small lock tongue; when the door is closed, the first motor 11 starts the overdrive cam 14 to rotate, the protruding part of the cam pushes the linkage piece 6 to rotate, the connecting rod 22 of the linkage piece pushes the first swing arm 7 to move towards the failure station against the elastic force of the return spring five, the anti-theft pin 9 moves to the lower part of the failure groove 17, the anti-theft pin 9 and the failure groove 17 correspond to each other, if the door is opened at the moment, the driving arm 8 is pulled and the end provided with the movable groove 10 swings upwards, the driving arm drives the anti-theft pin 9 to move upwards, the anti-theft pin enters the failure groove 17, and the anti-theft pin cannot drive the small lock tongue 4 to swing, so that the locking effect is achieved; in order to increase the anti-theft effect, the second motor 12 needs to be started, the anti-theft wheel 13 rotates to enable the first limiting plate 24 to move to the limiting station, the second limiting plate 25 of the linkage piece is blocked, the linkage piece 6 is prevented from rotating towards the unlocking direction, so that the force of the linkage piece acting on the first swing arm 7 cannot be relieved, the first swing arm stays at the failure station, and the vehicle door cannot be opened, so that the anti-theft effect is achieved. When unlocking, the first motor 11 and the second motor 12 reversely rotate, the first limiting plate 24 moves to the movable station, the linkage piece 6 reversely rotates under the action of the return spring IV, the connecting rod is reset, the first swing arm 7 moves to the effective station under the action of the return spring V, the antitheft pin 9 moves to the lower part of the linkage block 18, the door is opened at the moment, the driving arm 8 drives the antitheft pin to swing upwards together, the antitheft pin pushes the linkage block 18, the small lock tongue 4 overcomes the elasticity of the return spring II, the lock tongue head leaves the lock groove 2, the large lock tongue 1 rotates to the unlocking station under the action of the return spring I after being separated from the small lock tongue, the lock catch of the door is separated from the lock groove, and the door is opened.
The linkage piece is provided with a linkage groove 21, a driving block is arranged in the linkage groove, the driving block is arranged on a second swing arm 20, and the second swing arm is connected with the mechanical lock cylinder 16. When the motor is damaged or the automobile is not powered, the door can be locked by the mechanical lock, a key is inserted into the mechanical lock cylinder, the mechanical lock cylinder rotates to drive the second swing arm to swing, and the second swing arm drives the linkage piece to rotate, so that the first swing arm can move between the failure station and the effective station.

Claims (6)

1. An antitheft door lock for a vehicle is characterized in that: comprises the following steps of
A housing;
a lock body comprising
The large lock tongue is rotatably arranged in the shell and is provided with a lock groove, the large lock tongue is connected with a return spring I which enables the large lock tongue to rotate towards an unlocking station, and one end of the lock groove is a stop end;
the small lock tongue is rotatably arranged in the shell and is connected with a second return spring which enables the lock tongue to swing towards the large lock tongue, the small lock tongue is provided with a lock tongue, a failure groove and a linkage block, the failure groove and the linkage block are adjacently arranged, and in a locking state, the lock tongue of the small lock tongue is pressed with a stop end of the lock groove;
the unlocking part comprises a driving arm which is arranged in the shell in a swinging way, the driving arm is connected with a return spring III for resetting the driving arm, and the driving arm is provided with a movable groove and a driving end;
and an anti-theft part, which comprises
A linkage member which is linked with a cam for driving the linkage member to rotate, the cam is connected with a first motor, the linkage member is connected with a return spring IV for resetting the linkage member,
the anti-theft pin is arranged on the first swing arm, the anti-theft pin is axially arranged relative to the small lock tongue and penetrates through the movable groove of the driving arm to be arranged below the failure groove and the linkage block, the first swing arm is linked with the linkage piece driving the first swing arm to move towards the failure station, the first swing arm is connected with the return spring five which enables the first swing arm to move towards the effective station, the first swing arm is provided with a rotating shaft which moves in the sliding groove of the shell and can rotate in the sliding groove,
the anti-theft wheel is connected with the second motor, a first limiting plate for limiting the rotation of the linkage piece is arranged on the anti-theft wheel, and the first limiting plate moves between a limiting station and a movable station;
when the anti-theft starting state is achieved, the first swing arm is at a failure station, and the first limiting plate is at a limiting station.
2. The antitheft door lock of claim 1, wherein: the driving end comprises an inner opening driving end and an outer opening driving end.
3. The antitheft door lock of claim 1, wherein: the shell is provided with a first limiting part and a second limiting part, the first limiting part is used for limiting the large lock tongue at an unlocking station, and the second limiting part is used for limiting the small lock tongue at a locking station.
4. The antitheft door lock of claim 1, wherein: the linkage piece comprises a connecting rod, and the connecting rod is respectively linked with the cam and the first swing arm.
5. The antitheft door lock of claim 1, wherein: the linkage piece is provided with a linkage groove, a driving block is arranged in the linkage groove, the driving block is arranged on a second swing arm, and the second swing arm is connected with the mechanical lock cylinder.
6. The antitheft door lock of claim 2, wherein: the inner opening driving end is linked with a rotary switch, and the rotating track of the rotary switch is perpendicular to the swinging track of the driving arm.
CN202320530188.5U 2023-03-17 2023-03-17 Anti-theft door lock Active CN219528724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320530188.5U CN219528724U (en) 2023-03-17 2023-03-17 Anti-theft door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320530188.5U CN219528724U (en) 2023-03-17 2023-03-17 Anti-theft door lock

Publications (1)

Publication Number Publication Date
CN219528724U true CN219528724U (en) 2023-08-15

Family

ID=87628254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320530188.5U Active CN219528724U (en) 2023-03-17 2023-03-17 Anti-theft door lock

Country Status (1)

Country Link
CN (1) CN219528724U (en)

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