CN219509438U - Child lock for automobile door - Google Patents
Child lock for automobile door Download PDFInfo
- Publication number
- CN219509438U CN219509438U CN202320188512.XU CN202320188512U CN219509438U CN 219509438 U CN219509438 U CN 219509438U CN 202320188512 U CN202320188512 U CN 202320188512U CN 219509438 U CN219509438 U CN 219509438U
- Authority
- CN
- China
- Prior art keywords
- linkage
- swing arm
- frame
- lock tongue
- unlocking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a child lock for an automobile door, which comprises a shell, a switch part, an unlocking part, a mechanical safety part and a safety releasing part, wherein the switch part comprises a large lock tongue and a small lock tongue; the unlocking part comprises a swinging frame, a linkage frame and an inward opening swinging arm; the mechanical safety part comprises a mechanical swing arm, the safety releasing part comprises a motor and a cam, and the linkage frame is matched with the cam. The child lock is in a locking state or an unlocking state through adjusting the mechanical swing arm, if the child lock is in the locking state, the unlocking safety component can be started, the motor drives the cam to rotate, the linkage block of the driving linkage frame moves in the sliding groove, the unlocking pull rope is pulled at the moment, the inward opening swing arm swings and presses the linkage block, the linkage block drives the swing frame to swing, the first shifting block pushes the small lock tongue, the small lock tongue is separated from the large lock tongue, and the large lock tongue rotates to the unlocking state. The child lock protection device has the advantages that the child lock protection function is achieved, the child lock can be temporarily released when needed, and the child lock protection device is safe and convenient to use.
Description
Technical Field
The utility model relates to an improved utility model of an automobile door lock, in particular to an automobile door child lock.
Background
In order to eliminate the potential safety hazard that a child opens a vehicle door in the driving process, an automobile child lock is arranged on a rear door lock of the vehicle, the child lock locks the rear vehicle door, a user cannot open the vehicle door in the vehicle before the child lock is not unlocked, and the vehicle door can be normally opened only after the child lock is released.
At present, a mechanical lock is adopted by the child lock, and the mechanical lock has two states, namely an open state and a closed state, wherein the door cannot be opened in the closed state, and the door can be opened manually in the open state; the mechanical lock needs to be manually adjusted for opening and closing, so that the operation is very inconvenient, the user selects one state to use for a long time, a part of users select to discard the child lock, and a part of users select to discard the rear door opened in the vehicle. Therefore, existing child locks for automotive doors are not practical for users.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problems solved by the utility model are to provide the automobile door child lock which is simple and convenient to operate and high in practicability.
In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of car door children lock, its characterized in that: comprises the following steps of
A housing;
a switch component comprising
The large lock tongue is rotatably arranged on the shell and is connected with a return torsion spring I, the large lock tongue is provided with a lock groove,
the small lock tongue is rotatably arranged on the shell, and is connected with a return torsion spring II, and the small lock tongue is in stop fit with the large lock tongue;
an unlocking part, which comprises
The swing frame is arranged on the shell in a swinging way, a first limiting block is arranged on the shell, the swing frame is connected with a return torsion spring III, a first shifting block matched with the small lock tongue in a shifting way is arranged on the swing frame, a sliding groove is arranged on the swing frame,
a linkage frame provided with a linkage block, wherein the linkage block is arranged in the chute in a sliding way, the linkage frame is connected with a return torsion spring IV,
the inner opening swing arm is arranged on the shell in a swinging way, a second limiting block is arranged on the shell, the inner opening swing arm is connected with a return torsion spring five, one end of the inner opening swing arm is connected with an unlocking pull rope, and the other end of the inner opening swing arm is matched with a linkage block in the sliding groove;
the mechanical safety component comprises a mechanical swing arm which is arranged on the shell in a swinging way and swings between an unlocking station and a locking station, and the mechanical swing arm is pressed with the linkage frame in the unlocking station;
and the safety releasing component comprises a motor and a cam, wherein the motor is connected with the cam, and the linkage frame is matched with the cam.
According to the utility model, the mechanical swing arm is adjusted to enable the child lock to be in a locking state or an unlocking state, if the child lock is in the locking state, and a user needs to open a vehicle door when getting on or off, the unlocking safety part can be started, the cam is driven to rotate by the motor, the linkage block of the cam driving linkage frame moves in the sliding groove, at the moment, the unlocking pull rope is pulled, the inward opening swing arm swings to press the linkage block, the linkage block drives the swing frame to swing downwards, so that the first shifting block on the swing frame pushes the small lock tongue, the small lock tongue is separated from the large lock tongue, and the large lock tongue rotates to the unlocking state by the elasticity of the first return torsion spring. Therefore, the child lock has the protection function, and can be temporarily released when needed, so that the child lock is safe and convenient to use.
Preferably, the linkage frame is provided with a linkage groove, the mechanical swing arm is provided with a second shifting block, and the second shifting block stretches into the linkage groove. The mechanical swing arm drives the linkage frame to move through the second shifting block, so that the linkage block moves in the sliding groove.
Preferably, one end of the mechanical swing arm is a limiting end, and the other end of the mechanical swing arm is a driving end; the shell is internally provided with a mounting plate, the mounting plate is provided with an elastic sheet, and the elastic sheet is provided with an unlocking groove and a locking groove for the limiting end of the mechanical swing arm to enter. The elastic sheet enables the mechanical swing arm to be kept in two states, when the limiting end of the mechanical swing arm enters the unlocking groove, the mechanical swing arm presses the linkage frame, so that the linkage block of the linkage frame moves towards the direction of the inward opening swing arm, the linkage block can be driven when the inward opening swing arm swings, unlocking is achieved, when the limiting end of the mechanical swing arm enters the locking groove, the linkage frame is not extruded by the mechanical swing arm, the linkage block is far away from the inward opening swing arm in the sliding groove under the driving of the return torsion spring IV, and the linkage block cannot be driven when the inward opening swing arm swings, so that unlocking cannot be achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view 1 of the present utility model in a housing.
Fig. 3 is a schematic view 2 of the present utility model within a housing.
Fig. 4 is a schematic view of fig. 3 within the housing of the present utility model.
Fig. 5 is a schematic view of fig. 4 within the housing of the present utility model.
Fig. 6 is a schematic view of the spring plate of the present utility model.
Description of the embodiments
The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings. The child lock for the automobile door comprises a shell 1, a switch component, an unlocking component, a mechanical safety component and a safety releasing component; the switch part comprises a large lock tongue 3 and a small lock tongue 2, the large lock tongue is rotatably arranged on the shell, the large lock tongue 3 is connected with a first return torsion spring, the elasticity of the first return torsion spring enables the large lock tongue to turn to an unlocking state anticlockwise, the large lock tongue is provided with a locking groove 13, and a clockwise stop end 11 of the locking groove; the small lock tongue 2 is rotatably arranged on the shell, the small lock tongue is connected with a return torsion spring II, the small lock tongue is pressed towards the large lock tongue 3 by the elasticity of the return torsion spring II, the small lock tongue is provided with a lock tongue 12, a step is formed on the small lock tongue by the lock tongue head, the lock tongue head 12 is in locking fit with the locking end 11 of the locking groove, in fig. 2, the large lock tongue 3 is in a locking state, the lock tongue head 12 of the small lock tongue enters the locking groove 13, the large lock tongue is pressed towards the lock tongue head 12 of the small lock tongue by the elasticity of the return torsion spring II, the locking end 11 of the locking groove is clamped by the lock tongue head, and the large lock tongue is locked in a full locking state. When unlocking, the small lock tongue 2 swings to separate the lock tongue 12 from the large lock tongue 3, and the large lock tongue is not limited by the small lock tongue and is driven by the first return torsion spring to rotate anticlockwise, so that unlocking is realized. The unlocking part comprises a swinging frame 7, a linkage frame 6 and an inward opening swinging arm 8, wherein the swinging frame swings and is arranged on a shell, a first limiting block 22 is arranged on the shell, the swinging frame 7 is connected with a return torsion spring III, a first shifting block 10 matched with the small lock tongue 2 in a toggle manner is arranged on the swinging frame, the elastic force of the return torsion spring III enables the swinging frame 7 to swing towards the first limiting block 22 and enables the first shifting block to be far away from the small lock tongue, the first limiting block controls the swinging angle of the swinging frame, and a sliding groove 19 is formed in the swinging frame 7; the linkage frame 6 is provided with a linkage block 20, the linkage block is arranged in the sliding groove 19 in a sliding manner, the linkage frame 6 is connected with a return torsion spring IV, the elastic force of the return torsion spring IV enables the linkage frame to move towards an opening of the sliding groove 19, the inward opening swing arm 8 swings and cannot act on the linkage block 20, at the moment, the linkage block is in a failure state, the linkage block moves to the depth of the sliding groove 19, the inward opening swing arm 8 can act on the linkage block 20, and the linkage block is in a linkage state; the swing of the inward opening swing arm is installed on the shell, the second limiting block 23 is arranged on the shell, the inward opening swing arm is connected with the return torsion spring five, the elastic force of the return torsion spring five enables the inward opening swing arm 8 to swing towards the second limiting block 23 and enables the inward opening swing arm to be far away from the linkage block 20, one end of the inward opening swing arm is connected with an unlocking pull rope, the other end of the inward opening swing arm is matched with the linkage block 20 in the sliding groove, when the unlocking is carried out, a user manually pulls the unlocking pull rope, the inward opening swing arm 8 overcomes the elastic force of the return torsion spring five, if the linkage block 20 is in a linkage state at the moment, the inward opening swing arm 8 presses the linkage block to drive the swing frame 7 to swing, and the first shifting block 10 on the swing frame shifts the small lock tongue 2 to enable the small lock tongue 2 to be separated from the large lock tongue 3, so that unlocking is realized. The mechanical safety part comprises a mechanical swing arm 5 which is arranged on the shell in a swinging way and swings between an unlocking station and a locking station, the mechanical swing arm and the linkage frame 6 are pressed together in the unlocking station, that is to say, the mechanical swing arm overcomes the elasticity of a return torsion spring IV to enable the linkage block to be in a linkage state, and the mechanical swing arm 5 is separated from the linkage frame 6 in the locking station, and the elasticity of the return torsion spring IV enables the linkage block to be in a failure state. The linkage frame is provided with a linkage groove 15, the mechanical swing arm is provided with a second shifting block 16, the second shifting block stretches into the linkage groove 15, as shown in fig. 3, the mechanical swing arm swings clockwise, the second shifting block 16 dials the linkage frame 6 to move, otherwise, the mechanical swing arm swings anticlockwise, and the second shifting block is empty in the linkage groove 15 and cannot act on the linkage frame; one end of the mechanical swing arm 5 is a limiting end 24, and the other end is a driving end; the shell is internally provided with a mounting plate 18, the mounting plate is provided with an elastic sheet 17, the elastic sheet is provided with an unlocking groove 25 and a locking groove 26 for the limiting end 24 of the mechanical swing arm to enter, the unlocking groove and the locking groove of the elastic sheet are used for limiting the position of the mechanical swing arm 5, so that the mechanical swing arm is kept in two states, when the limiting end 24 of the mechanical swing arm enters the unlocking groove 25, the mechanical swing arm presses the linkage frame 6, the linkage block 20 of the linkage frame moves inwards in the direction of opening the swing arm, so that the linkage block can be driven when the inwards opening swing arm swings, unlocking is realized, when the limiting end 24 of the mechanical swing arm enters the locking groove 26, the linkage frame is not extruded by the mechanical swing arm, the linkage block is far away from the inwards opening swing arm in the sliding groove 19 under the driving of a return torsion spring IV, and the linkage block 20 cannot be driven when the inwards opening swing arm swings, so that unlocking cannot be realized; the unlocking groove and the locking groove are connected in an arc mode, and the limiting end of the mechanical swing arm is facilitated to be switched between the two grooves. The safety relief part comprises a motor 14 and a cam 9, the motor is connected with the cam, the linkage frame 6 is matched with the cam 9, the motor drives the cam to rotate, the protruding part of the cam pushes the linkage frame 6 to move, the linkage block 20 moves to a linkage state in the sliding groove, then the vehicle door can be opened at the moment, if the motor reversely rotates, the elastic force of the return torsion spring IV enables the linkage frame 6 to reversely move, the linkage block 20 moves to a failure state in the sliding groove, and the vehicle door is locked and cannot be opened at the moment.
Referring to the attached drawings, the large lock tongue 3 and the small lock tongue 2 are vertically arranged relative to the swinging frame 7, the linkage frame 6, the inward opening swinging arm 8 and the mechanical swinging arm 5, and the swinging frame, the linkage frame, the inward opening swinging arm and the mechanical swinging arm are arranged in parallel and are mutually linked. When the child lock is used, a user manually swings the mechanical swing arm 5 to enable the limiting end of the mechanical swing arm to swing to the locking groove 26, the second shifting block 16 of the mechanical swing arm is empty in the linkage groove 15 of the linkage frame, at the moment, the elastic force of the return spring IV enables the linkage frame 6 to move, the linkage block 20 moves to a failure state in the sliding groove, at the moment, the user opens the door, namely pulls the unlocking pull rope, the inner opening swing arm 8 swings downwards, but does not touch the linkage block 20, so that the swing frame does not swing, the locking tongue 12 of the small lock tongue clamps the locking end 11 of the locking groove, the large lock tongue 3 is still in a locking state, and the door cannot be opened; when a car door needs to be opened when a car is on or off, the motor 14 can be started, the motor drives the cam 9 to rotate, the bulge part of the cam pushes the linkage frame 6 to move, the linkage block 20 moves to a linkage state in the sliding groove, the unlocking pull rope is pulled at the moment, the inward opening swing arm 8 swings to press the linkage block 20, the linkage block drives the swing frame 7 to swing downwards, the first shifting block 10 on the swing frame pushes the small lock tongue 2 to swing, the small lock tongue is separated from the large lock tongue, and the large lock tongue 3 rotates anticlockwise to the unlocking state by the elasticity of the first return torsion spring. Thus, the child lock has the protection function, and the child lock can be temporarily released when needed, so that the child lock is safe and convenient to use; the time for reversing and resetting the motor 14 can be set, for example, 5 seconds, a user needs to open the vehicle door within 5 seconds, otherwise, the motor reverses, the cam 9 resets, the elastic force of the return spring IV can push the linkage frame 6 to reversely move, the linkage block 20 moves to a failure state, and the vehicle door is restored to a locking state, so that the safety performance is improved.
Claims (3)
1. A child lock for an automotive door, characterized by: comprises the following steps of
A housing;
a switch component comprising
The large lock tongue is rotatably arranged on the shell and is connected with a return torsion spring I, the large lock tongue is provided with a lock groove,
the small lock tongue is rotatably arranged on the shell, and is connected with a return torsion spring II, and the small lock tongue is in stop fit with the large lock tongue;
an unlocking part, which comprises
The swing frame is arranged on the shell in a swinging way, a first limiting block is arranged on the shell, the swing frame is connected with a return torsion spring III, a first shifting block matched with the small lock tongue in a shifting way is arranged on the swing frame, a sliding groove is arranged on the swing frame,
a linkage frame provided with a linkage block, wherein the linkage block is arranged in the chute in a sliding way, the linkage frame is connected with a return torsion spring IV,
the inner opening swing arm is arranged on the shell in a swinging way, a second limiting block is arranged on the shell, the inner opening swing arm is connected with a return torsion spring five, one end of the inner opening swing arm is connected with an unlocking pull rope, and the other end of the inner opening swing arm is matched with a linkage block in the sliding groove;
the mechanical safety component comprises a mechanical swing arm which is arranged on the shell in a swinging way and swings between an unlocking station and a locking station, and the mechanical swing arm is pressed with the linkage frame in the unlocking station;
and the safety releasing component comprises a motor and a cam, wherein the motor is connected with the cam, and the linkage frame is matched with the cam.
2. The automobile door child lock of claim 1, wherein: the method is characterized in that: the linkage frame is provided with a linkage groove, the mechanical swing arm is provided with a second shifting block, and the second shifting block stretches into the linkage groove.
3. The automobile door child lock of claim 1, wherein: the method is characterized in that: one end of the mechanical swing arm is a limiting end, and the other end of the mechanical swing arm is a driving end; the shell is internally provided with a mounting plate, the mounting plate is provided with an elastic sheet, and the elastic sheet is provided with an unlocking groove and a locking groove for the limiting end of the mechanical swing arm to enter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320188512.XU CN219509438U (en) | 2023-02-13 | 2023-02-13 | Child lock for automobile door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320188512.XU CN219509438U (en) | 2023-02-13 | 2023-02-13 | Child lock for automobile door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219509438U true CN219509438U (en) | 2023-08-11 |
Family
ID=87525243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320188512.XU Active CN219509438U (en) | 2023-02-13 | 2023-02-13 | Child lock for automobile door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219509438U (en) |
-
2023
- 2023-02-13 CN CN202320188512.XU patent/CN219509438U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108756471B (en) | High-strength safe intelligent lock cylinder | |
| US5868444A (en) | Motor-vehicle trunk latch | |
| CN109072637B (en) | Locking system for locking a movable panel | |
| CN209556620U (en) | A kind of electric control lock | |
| CN219509438U (en) | Child lock for automobile door | |
| CN111852214B (en) | Door lock structure with emergency opening function and application method thereof | |
| CN116122676A (en) | Child lock for automobile door | |
| CN217242927U (en) | Self-unlocking safety belt lock catch | |
| CN211287110U (en) | Automobile side door lock deflector rod clutch type mechanical child lock | |
| CN110821311B (en) | Automobile door lock structure | |
| CN208102172U (en) | A kind of knee lock | |
| CN217735169U (en) | Self-absorption tail door lock of automobile | |
| WO2010017771A1 (en) | Movable roof locking system for vehicle with movable roof | |
| CN111742107A (en) | Dual-function lock body with mechanical lock function and electronic lock function | |
| CN111622627A (en) | Snow load structure of tail gate electric suction lock | |
| CN218991209U (en) | Full-automatic door lock | |
| CN218991192U (en) | Rack assembly of door lock | |
| CN219471809U (en) | Self-priming and clutch structure of self-priming lock | |
| CN219138666U (en) | Cross bolt locking structure of door lock | |
| CN219431596U (en) | Emergency opening mechanism for automobile back door lock | |
| CN110566060A (en) | Automobile side door lock deflector rod clutch type mechanical child lock | |
| CN212614219U (en) | But mechanical backswing handle of auto-lock | |
| CN216110196U (en) | Battery lock structure | |
| CN219548665U (en) | Electric suction unlocking device for automobile door | |
| CN215205209U (en) | High-safety locking device for folding handle vertical pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |