Novel child locking mechanism of automobile door lock
Through the simplified structure of the car door lock child lock mechanism, the connection between the rocker arm and the internal drive arm is controlled by locking motor, worm and turbine components, which solves the problems of complex structure and high failure rate in the prior art. It achieves children's locking effect with ease of use, high safety and stability.
Patent Information
- Application Number
- CN202421003778.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing car door lock children's lock mechanism has a complex structure, resulting in high failure rate and inconvenient use.
The design includes locking motor, worm, turbine, rocker arm, inner opening rocker arm, unlocking transmission arm and inner opening transmission arm. The turbine drives the turbine through the worm, and the turbine drives the rocker arm to control the rocker arm and inner opening The connection of the drive arm enables the opening and closing of the door lock, simplifying the structure and operation.
It realizes a child lock mechanism for the car door lock with simple structure, easy to use, high safety and good stability, reducing the failure rate and manufacturing cost.
Smart Images
Figure CN222276443U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a novel child locking mechanism for a car door lock. Background Art
[0002] The child protection locking mechanism of a car is mainly designed to protect children. Car door locks with child protection locking mechanisms are mainly used for car rear doors. Once the child protection locking function is turned on, the door cannot be opened by pulling the inner opening handle inside the car, and the door can only be opened from the outside. This is mainly to prevent children from accidentally opening the door while the car is driving, causing dangerous road conditions, and plays a role in protecting children. Although there is no clear requirement in China that the rear door lock of a car must have a child protection locking function, car rear door locks with child protection locking functions have become a development trend in the automotive industry. The switch button for the child protection lock is usually arranged on the inner panel of the car door. By pressing the button, the child protection locking function can be turned on and off.
[0003] When using the existing child locks, the main problem is that the structure is complicated. To complete the locking of the child lock, more parts are needed to complete the transmission and locking actions, which also increases the failure rate of the door lock. Therefore, it is necessary to improve the existing car door locks so that the child locking mechanism is simpler, the failure rate is lower, and it is more convenient to use. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a new type of child locking mechanism for automobile door locks which has the advantages of simple structure, convenient use, low manufacturing cost, high safety and good stability and is practical and widely used.
[0005] In order to solve the above problems, the utility model adopts the following technical solutions:
[0006] A new type of child locking mechanism for a car door lock comprises a locking motor, a worm, a turbine, a child-proof rocker arm, an inner-opening rocker arm, an unlocking transmission arm and an inner-opening transmission arm. The worm is mounted on the locking motor, and the locking motor drives the worm to rotate. The worm is meshed with the turbine, and the turbine is connected to the inner-opening rocker arm through the child-proof rocker arm. The inner-opening transmission arm is arranged on one side of the inner-opening rocker arm, and a transmission arm positioning shaft is connected between the inner-opening rocker arm and the inner-opening transmission arm. When unlocking, the inner-opening transmission arm drives the inner-opening rocker arm to push the unlocking transmission arm and the ratchet to rotate.
[0007] Preferably, a connecting structure is provided on the turbine, a slot is provided on the connecting structure, a column one is installed at one end of the child-safety rocker arm, and the column one is arranged in the slot; an annular groove is provided on the inward-opening rocker arm, a column two is installed at the other end of the child-safety rocker arm, and the column two is arranged in the annular groove, and the column two moves in the annular groove.
[0008] This setting realizes the connection between the turbine and the inner opening rocker arm through the action of mounting column one and mounting column two, so that the rotation of the turbine drives the movement of the child protection rocker arm, thereby achieving the effect of controlling whether the inner opening rocker arm is connected to the inner opening transmission arm, thereby realizing the control of the inner opening door lock.
[0009] Preferably, a rocker arm reset torsion spring is provided on the transmission arm positioning shaft.
[0010] This arrangement, through the action of the rocker arm reset torsion spring, allows the inner opening transmission arm and the inner unlocking mechanism to return to their initial state after unlocking is completed, thereby ensuring normal unlocking operation next time.
[0011] Preferably, one end of the inwardly opening transmission arm is provided with an extension part 1 and an extension part 2, an open groove is formed between the extension part 1 and the extension part 2, and when the child lock is locked and closed, the column 2 is arranged in the open groove.
[0012] Through the cooperation between the second column and the opening slot, the opening or closing effect of the child lock is achieved, and the connection between the inner opening transmission arm and the inner opening rocker arm is realized, thereby controlling whether the door lock can be opened from the inside.
[0013] The utility model has the following beneficial effects: simple structure, convenient use, few accessories, low manufacturing cost, high safety, good stability, simple operation, and is practical and widely used. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, but this does not limit the protection scope of the utility model.
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the child lock of the utility model in the locked and opened state.
[0018] Among them, 1. locking motor, 2. worm, 3. turbine, 4. child-protection rocker arm, 5. inward-opening rocker arm, 6. unlocking transmission arm, 7. pawl, 8. ratchet, 9. inward-opening transmission arm, 10. connecting structure, 11. slot, 12. column one, 13. transmission arm positioning shaft, 14. annular groove, 15. column two, 16. rocker arm reset torsion spring, 17. extension part one, 18. extension part two, 19. pawl positioning shaft. DETAILED DESCRIPTION
[0019] See also Figures 1 to 3A new type of child locking mechanism for a car door lock shown in the figure includes a locking motor 1, a worm 2, a turbine 3, a child-proof rocker arm 4, an inner-opening rocker arm 5, an unlocking transmission arm 6 and an inner-opening transmission arm 9. The worm 2 is installed on the locking motor 1, and the locking motor 1 drives the worm 2 to rotate. The worm 2 is meshed and connected with the turbine 3, and the worm drives the turbine to rotate. The turbine 3 is connected to the inner-opening rocker arm 5 through the child-proof rocker arm 4. The inner-opening transmission arm 9 is arranged on one side of the inner-opening rocker arm 5. A transmission arm positioning shaft 13 is connected between the inner-opening rocker arm 5 and the inner-opening transmission arm 9. When unlocking, the inner-opening transmission arm 9 drives the inner-opening rocker arm 5 to push the unlocking transmission arm 6 and the pawl 7 to rotate, and the pawl loses the restraint on the ratchet 8, so that the car door lock is opened.
[0020] Furthermore, a connecting structure 10 is provided on the turbine 3, a slot 11 is provided on the connecting structure 10, a column 12 is installed at one end of the child-safety rocker arm 4, and the column 12 is arranged in the slot 11; an annular groove 14 is provided on the inward-opening rocker arm 5, a column 2 15 is installed at the other end of the child-safety rocker arm 4, and the column 2 15 is arranged in the annular groove 14, and the column 2 moves in the annular groove.
[0021] Furthermore, a rocker arm reset torsion spring 16 is provided on the transmission arm positioning shaft 13 .
[0022] Furthermore, an extension part 17 and an extension part 2 18 are provided at one end of the inner opening transmission arm 9, and an open groove is formed between the extension part 17 and the extension part 2 18. When the child lock is locked and closed, the column 2 is arranged in the open groove.
[0023] Furthermore, a pawl positioning shaft 19 is connected between the unlocking transmission arm and the pawl, and the yoke transmission arm pushes the pawl to rotate.
[0024] When the utility model is in use, when the child lock is opened, the button controls the locking motor to work, the locking motor drives the turbine to rotate through the worm gear, the turbine drives the child protection rocker arm to move, the column two of the child protection rocker arm moves from one end of the annular groove to the other end, the column two is moved out of the opening groove between the extension part one and the extension part two, so that the connection between the inner opening rocker arm and the inner opening transmission arm is disconnected; at this time, if the car door is opened by the inner handle and the inner opening transmission arm is pulled, there is no transmission action between the inner opening transmission arm and the inner opening rocker arm, so that the car door cannot be opened.
[0025] When the child lock needs to be closed, the locking motor is controlled by a button, and the locking motor drives the turbine to rotate through the worm gear, and the turbine drives the child protection rocker arm to move, and the column two of the child protection rocker arm moves from one end of the annular groove to the other end, so that the column two is placed in the opening groove between the extension part one and the extension part two; when the car door is opened, the inner handle is pulled, and the inner opening transmission arm rotates during the rotation of the inner opening rocker arm driven by the action of the column two, and the inner opening rocker arm drives the unlocking transmission arm to rotate, and the unlocking transmission arm drives the pawl to rotate, so that the engagement between the pawl and the ratchet is released, so that the car door can be opened from the inside.
[0026] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. A new type of child locking mechanism for automobile door locks, characterized in that: It includes a locking motor, a worm, a turbine, a child-proof rocker arm, an inner-opening rocker arm, an unlocking transmission arm and an inner-opening transmission arm. The worm is installed on the locking motor, and the locking motor drives the worm to rotate. The worm is meshed with the turbine, and the turbine is connected to the inner-opening rocker arm through the child-proof rocker arm. The inner-opening transmission arm is arranged on one side of the inner-opening rocker arm, and a transmission arm positioning shaft is connected between the inner-opening rocker arm and the inner-opening transmission arm. When unlocking, the inner-opening transmission arm drives the inner-opening rocker arm to push the unlocking transmission arm and the ratchet to rotate.
2. A novel child locking mechanism for a vehicle door lock according to claim 1, characterized in that: The turbine is provided with a connecting structure, the connecting structure is provided with a slot, one end of the child-safety rocker arm is installed with a column one, and the column one is arranged in the slot; the inward-opening rocker arm is provided with an annular groove, the other end of the child-safety rocker arm is installed with a column two, the column two is arranged in the annular groove, and the column two moves in the annular groove.
3. A novel child locking mechanism for a vehicle door lock according to claim 1, characterized in that: A rocker arm reset torsion spring is arranged on the transmission arm positioning shaft.
4. A novel child locking mechanism for a vehicle door lock according to claim 2, characterized in that: An extension part 1 and an extension part 2 are provided at one end of the inner opening transmission arm, an opening groove is formed between the extension part 1 and the extension part 2, and when the child lock is locked and closed, the column 2 is arranged in the opening groove.