CN218953053U - Child lock mechanism of automobile door lock - Google Patents
Child lock mechanism of automobile door lock Download PDFInfo
- Publication number
- CN218953053U CN218953053U CN202320098655.1U CN202320098655U CN218953053U CN 218953053 U CN218953053 U CN 218953053U CN 202320098655 U CN202320098655 U CN 202320098655U CN 218953053 U CN218953053 U CN 218953053U
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- connecting rod
- door lock
- deflector rod
- deflector
- arm
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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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Abstract
The utility model relates to a child lock mechanism of an automobile door lock, which is characterized by comprising: the shell is provided with an arc surface in a protruding mode; the deflector rod is rotationally connected to the shell and is provided with an elastic arc-shaped structure which is used for sliding in an adaptive manner on the arc surface of the shell; the deflector rod rotates to the middle position, and the arc-shaped structure of the deflector rod slides to be in opposite contact with the arc surface to be extruded and deformed; the shifting lever rotates to any side of the arc surface, and the shifting lever is stabilized at the unlocking position or the locking position. According to the child lock mechanism of the automobile door lock, the elastic mechanism formed by protruding the deflector rod can effectively improve the stability of the deflector rod position, the problem that the positioning is unstable and easy to move in a traditional torsion spring control mode is avoided, the number of parts is reduced, and the assembly difficulty is reduced.
Description
Technical Field
The utility model relates to a child lock mechanism of an automobile door lock, and belongs to the technical field of automobile lock structures.
Background
The child lock mechanism of the automobile door lock is a mechanism for preventing the danger of unlocking the rear door caused by the fact that a child in the automobile opens the inner opening handle by mistake. Therefore, the child lock mechanism of the automobile door lock comprises two states of locking and unlocking, and when the child lock is in the locking state, the rear door inner opening handle cannot open the door; when the child lock is in an unlocking state, the handle can be opened normally in the rear door.
The existing child lock mechanism realizes two position states of locking and unlocking through setting the rotation of a deflector rod, and in order to ensure that the child lock mechanism can be stably kept in the locked and unlocked states, the child lock of the conventional door lock is set to be provided with a torsion spring and other structures at the position of the deflector rod. On the one hand, the structure setting needs to set torsion springs and related connecting and fixing mechanisms, the increase of the number of parts is complicated, the weight reduction and the miniaturization of the lock body are not facilitated, and on the other hand, the increase of torsion spring parts can increase the assembly difficulty and the assembly working procedures.
Accordingly, it is desirable to be able to design a child lock mechanism that is more structurally optimized.
Disclosure of Invention
The utility model aims to solve the problems, and provides a child lock mechanism of an automobile door lock, which can enable a deflector rod to be more firmly and stably positioned at a locking position and an unlocking position, improve safety and simultaneously reduce parts and assembly difficulty.
In order to solve the problems, the utility model adopts the following technical scheme:
the child lock mechanism of an automobile door lock is characterized by comprising:
the shell is provided with an arc surface in a protruding mode;
the deflector rod is rotationally connected to the shell and is provided with an elastic arc-shaped structure which is used for sliding in an adaptive manner on the arc surface of the shell;
the deflector rod rotates to the middle position, and the arc-shaped structure of the deflector rod slides to be in opposite contact with the arc surface to be extruded and deformed;
the shifting lever rotates to any side of the arc surface, and the shifting lever is stabilized at the unlocking position or the locking position.
The deflector rod is provided with a stand column which is used for being connected with the connecting rod so as to realize the driving control of the deflector rod on the connecting rod.
One end of the connecting rod is connected by a deflector rod in a driving way, and the other end of the connecting rod is connected to the shaft of the stopping claw deflector arm.
The deflector rod rotates to an unlocking position, and the connecting rod is driven to a first position state by the deflector rod; the shift lever rotates to a locking position, and the connecting rod is driven to a second position state by the shift lever.
When the connecting rod is in a first position state, the door lock can be driven by the inner opening arm to be opened;
when the connecting rod is in the second position state, the connecting rod cannot be driven by the inner opening arm.
The inner opening arm is connected by an inner opening pull rod or a stay wire in a driving way, one end of the stop pawl shifting arm is connected with the connecting rod in a rotating way, and the other end of the stop pawl shifting arm drives the door lock to be opened.
The locking claw shifting arm and the inner opening arm are concentrically rotated on the shell.
According to the child lock mechanism of the automobile door lock, the elastic mechanism formed by protruding the deflector rod can increase the integration of parts, torsion spring parts and related fixing structures are not needed, the number of parts is effectively reduced, the weight and the size of the lock body are reduced, and the assembly difficulty and the assembly procedure are reduced.
Drawings
Fig. 1: an unlocking state schematic diagram of a child lock mechanism of an automobile door lock in the first embodiment;
fig. 2: a schematic diagram of a locking state of a child lock mechanism of an automobile door lock according to the first embodiment;
fig. 3: schematic diagram of the position state of the shift lever in the locking state;
fig. 4: schematic diagram of the position state of the deflector rod in the unlocking state;
fig. 5: a position state diagram of the shifting lever, the connecting rod and the locking claw shifting arm in the locking state;
fig. 6: a position state diagram of the shifting lever, the connecting rod and the locking claw shifting arm in the unlocking state;
in the figure, 1, a shell, 1.1, an arc surface, 2, a deflector rod, 2.1, an arc mechanism, 2.2, a stand column, 3, a connecting rod, 4, a locking claw deflector arm and 5, an inner opening arm.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings. So as to enable those skilled in the art to more clearly understand the structural composition and design principles of the present application. It should be understood that the following examples should not be construed as limiting the technical scheme of the present application.
Example 1
A child lock mechanism of an automobile door lock comprises a shell 1, a deflector rod 2, a connecting rod 3, a locking claw deflector arm 4 and an inner opening arm 5; wherein the inner opening arm 5 and the locking pawl lever 4 are rotatably mounted concentrically on the housing 1, said lever 2 is rotatably mounted on the housing 1, and said lever 2 has two relatively stable positions on the housing 1, which correspond to the locked and unlocked positions of the child lock, respectively. The deflector rod 2 is connected with the inner opening arm 5 through a connecting rod 3. When the deflector rod 2 rotates to the unlocking position, the inner opening arm 5 is pulled to drive the connecting rod 3, and the connecting rod 3 rotates and simultaneously drives the locking claw deflector arm 4 to complete unlocking action, so that the door lock is opened internally. When the deflector rod 2 rotates to the locking position, the deflector rod 2 drives the connecting rod 3 to swing to the avoiding position, and at the moment, the inner opening arm 5 is pulled to drive the connecting rod 3, so that the locking claw deflector arm 4 cannot be driven to open the door lock.
The structures of the housing 1, the lever 2, the link 3, the dog lever 4, and the inner opening arm 5 are specifically described below:
the shell 1 is provided with a deflector rod mounting hole and an opening arm mounting hole, and is also provided with an arc surface 1.1 protruding along one side of the deflector rod 2; the deflector rod mounting hole is used for rotatably connecting the deflector rod 2, the opening arm mounting hole is used for rotatably connecting the inner opening arm 5 and the locking claw deflector arm 4, and the arc surface 1.1 is used for being rotatably matched with the deflector rod 2.
The driving lever 2 is rotatably mounted on a driving lever mounting hole of the housing 1, an arc-shaped structure 2.1 is arranged at the outer edge of the driving lever mounting hole, the arc-shaped structure 2.1 can slide along the arc-shaped surface 1.1 of the housing 1 in the rotation process of the driving lever 2, when the arc-shaped structure 2.1 of the driving lever 2 slides to one side of the arc-shaped surface 1.1 of the housing 1, the driving lever 2 is positioned at a child lock unlocking position (child lock non-starting state), and when the arc-shaped structure 2.1 of the driving lever 2 slides to the other side of the arc-shaped surface 1.1 of the housing 1, the driving lever 2 is positioned at a child lock locking position (child lock starting state). The deflector rod 2 is also provided with a stand column 2.2, and the stand column 2.2 is used for being connected with the connecting rod 3 so as to realize linkage relation between the deflector rod 2 and the connecting rod 3.
One end of the connecting rod 3 is rotatably connected to the shaft of the locking claw shifting arm 4, a slotted hole for accommodating the upright post 2.2 of the shifting lever 2 is arranged at the other end of the connecting rod 3, the connecting rod 3 is in driving connection with the shifting lever 2 and corresponds to two position states of the shifting lever 2, when the shifting lever 2 is positioned at the unlocking position of the locking claw shifting arm 2, the shifting lever 2 drives the connecting rod 3 to swing to a first position state (associated position), in the position state, the connecting rod 3 can be driven by the inner opening arm 5, and meanwhile, the connecting rod 3 can also drive the locking claw shifting arm 4 to unlock the door lock; when the lever 2 is rotated to the lock locking position, the lever 2 drives the link 3 to swing to a second position state (avoidance position) in which the link 3 cannot be driven by the inner opening arm 5, and at the same time the link 3 cannot drive the dog lever 4 to unlock the door lock.
One end of the locking claw shifting arm 4 is provided with a shaft, and the connecting rod 3 is in driving connection with the locking claw shifting arm 4 through the shaft; the other end of the locking claw shifting arm 4 is in driving connection with the locking claw, so that the locking claw is controlled to be separated from the engagement with the clamping plate, and the unlocking function is realized.
The inner opening arm 5 is rotatably installed in an opening arm installation hole of the shell 1, one end of the inner opening arm is connected and controlled by an inner opening pull rod or a pull wire, and the other end of the inner opening arm is used for driving the connecting rod 3 so as to realize the unlocking function through the rotation of the inner opening arm 5.
The operation method and the action process of the child lock mechanism of the embodiment are as follows:
when the child lock is not locked, the deflector rod 2 rotates to an unlocking position of the child lock, the unlocking position is positioned on one side of the arc surface 1.1 of the shell 1, the connecting rod 3 is driven to a corresponding first position state by the deflector rod 2, the inner opening arm 5 is pulled at the moment, the connecting rod 3 in the first position state is driven to rotate when the inner opening arm 5 rotates, the connecting rod 3 acts to drive the stop pawl deflector arm 4, and the inner opening of the door lock is realized through the stop pawl deflector arm 4.
After the child lock is locked, the deflector rod 2 rotates to a locking position of the child lock, the locking position is positioned at the other side of the circular arc surface 1.1 of the shell 1, the connecting rod 3 is also driven to a corresponding second position state by the deflector rod 2, the inner opening arm 5 is pulled at the moment, and the connecting rod 3 in the second position state cannot be driven to rotate when the inner opening arm 5 rotates, so that the unlocking of the door lock cannot be completed.
According to the child lock mechanism, the arc surface formed by protruding the shell is matched with the arc structure of the deflector rod, so that the position stability of the deflector rod relative to the shell is realized, the deflector rod is prevented from rotating under jolt and shake, meanwhile, the deflector rod drives the connecting rod to switch between two different position states, the inner opening arm is used for carrying out different associated control on the locking claw deflector arm, and the opening control of the door lock is realized.
Claims (7)
1. A child lock mechanism for an automotive door lock, comprising:
the shell is provided with an arc surface in a protruding mode;
the deflector rod is rotationally connected to the shell and is provided with an elastic arc-shaped structure which is used for sliding in an adaptive manner on the arc surface of the shell;
the deflector rod rotates to the middle position, and the arc-shaped structure of the deflector rod slides to be in opposite contact with the arc surface to be extruded and deformed;
the shifting lever rotates to any side of the arc surface, and the shifting lever is stabilized at the unlocking position or the locking position.
2. A child lock mechanism for an automotive door lock according to claim 1,
the deflector rod is provided with a stand column which is used for being connected with the connecting rod so as to realize the driving control of the deflector rod on the connecting rod.
3. A child lock mechanism for an automotive door lock according to claim 2,
one end of the connecting rod is connected by a deflector rod in a driving way, and the other end of the connecting rod is connected to the shaft of the stopping claw deflector arm.
4. A child lock mechanism for an automotive door lock according to claim 3,
the deflector rod rotates to an unlocking position, and the connecting rod is driven to a first position state by the deflector rod; the shift lever rotates to a locking position, and the connecting rod is driven to a second position state by the shift lever.
5. A child lock mechanism for an automotive door lock according to claim 4,
when the connecting rod is in a first position state, the door lock can be driven by the inner opening arm to be opened;
when the connecting rod is in the second position state, the connecting rod cannot be driven by the inner opening arm.
6. A child lock mechanism for an automotive door lock according to claim 1,
the inner opening arm is connected by an inner opening pull rod or a stay wire in a driving way, one end of the stop pawl shifting arm is connected with the connecting rod in a rotating way, and the other end of the stop pawl shifting arm drives the door lock to be opened.
7. A child lock mechanism for an automotive door lock according to claim 6,
the locking claw shifting arm and the inner opening arm are concentrically rotated on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320098655.1U CN218953053U (en) | 2023-02-02 | 2023-02-02 | Child lock mechanism of automobile door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320098655.1U CN218953053U (en) | 2023-02-02 | 2023-02-02 | Child lock mechanism of automobile door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218953053U true CN218953053U (en) | 2023-05-02 |
Family
ID=86111582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320098655.1U Active CN218953053U (en) | 2023-02-02 | 2023-02-02 | Child lock mechanism of automobile door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218953053U (en) |
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2023
- 2023-02-02 CN CN202320098655.1U patent/CN218953053U/en active Active
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