Automobile external hanging type electric self-suction door lock driver
By installing an electric self-closing door lock actuator on the car door, a micro switch is used to detect the closing signal and drive the lock tongue to automatically close, solving the problem of the car door not being able to close automatically, improving the driving experience and reducing the closing force.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-13
AI Technical Summary
Some car models have doors that do not close automatically, requiring force to close the doors, which affects the driving and riding experience.
Design an external electric self-closing door lock driver for automobiles, including a self-closing driver, a connecting base plate, a rotating component, an elastic element, and a micro switch. The micro switch detects the door closing signal and drives the lock tongue to automatically close.
It achieves automatic door locking, improves the driving and riding experience, reduces the force required to close the door, and is low in cost and easy to install.
Smart Images

Figure CN223991671U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automotive door lock technology, and in particular relates to an externally mounted electric self-closing door lock driver. Background Technology
[0002] When closing a car door, a certain amount of force is usually required to lock it. If the force is too weak, the door may not lock properly. Therefore, in daily life, people usually use more force to close the door, which causes the door to hit the car frame hard and generate a very large impact force.
[0003] Some high-end models often incorporate a self-closing locking function in the lock body, meaning that when the door is closed, it will automatically close and lock, so there is no need to close the door forcefully. However, ordinary models do not have this function, which affects the driving and riding experience. Summary of the Invention
[0004] The problem solved by this utility model is that the doors of some car models cannot be automatically closed.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0006] An external electric self-closing door lock actuator for automobiles includes a lock body base plate disposed inside the door, and a self-closing actuator detachably connected to the lock body base plate. The self-closing actuator is connected to a driving element, and the driving element is used to drive the self-closing actuator to engage.
[0007] The self-closing actuator includes a connecting base plate and a first rotating member rotatably connected to the connecting base plate. One end of the first rotating member is rotatably connected to a second rotating member. A rotating shaft is provided at the connection between the first rotating member and the second rotating member. An elastic element is sleeved on the rotating shaft. One end of the elastic element is connected to the first rotating member and the other end is connected to the second rotating member. When the driving element drives the first rotating member and the second rotating member to rotate, the second rotating member can drive the lock body base plate to close.
[0008] Furthermore, the lock body base plate includes a lock body and a bolt rotatably connected to the lock body. A baffle is also rotatably connected to the lock body. The bolt is provided with a lock groove for locking the latch.
[0009] Furthermore, the driving element includes a pull wire and a micro switch. The micro switch is located on one side of the baffle. When the baffle rotates, the baffle touches the micro switch and sends a signal.
[0010] Furthermore, the pull cable is connected to the end of the first rotating component away from the second rotating component. When the pull cable is pulled, the pull cable pulls the first rotating component to rotate along the rotating axis, and the first rotating component drives the second rotating component to rotate towards the locking tongue side.
[0011] Furthermore, the elastic element is a torsion spring.
[0012] Furthermore, the baffle is provided with a slot and a trigger block, the trigger block is used to trigger a micro switch, and the slot is used to engage the locking tongue.
[0013] Furthermore, the latch is also provided with a protrusion that matches the slot. When the slot engages with the protrusion, it prevents the latch from reversing and releasing the latch.
[0014] The beneficial effects of this utility model are:
[0015] This invention involves installing a self-priming actuator on the door lock of a car door. When the door is closed, a micro switch detects the closing signal, and the self-priming actuator rotates to push the door lock to automatically lock the latch. It is low in cost, easy to use, and after installation, the user does not need to close the door forcefully to automatically lock the car door, thus improving the driver's driving experience. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the self-priming actuator of this utility model;
[0019] Figure 3 This is a schematic diagram of the lock body base plate structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the self-priming principle of this utility model;
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Lock body base plate; 11. Lock body; 12. Baffle; 121. Trigger block; 122. Slot; 13. Lock tongue; 131. Lock groove; 132. Protrusion; 2. Self-priming actuator; 21. Connecting base plate; 22. First rotating component; 23. Second rotating component; 24. Elastic element; 3. Driving element; 31. Micro switch; 32. Pull cord. Detailed Implementation
[0023] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention. Specific Implementation
[0024] like Figures 1 to 4 As shown, an externally mounted electric self-closing door lock actuator for automobiles includes a lock body base plate 1 disposed inside the door, and a self-closing actuator 2 detachably connected to the lock body base plate 1. The self-closing actuator 2 is connected to a driving element 3, which drives the self-closing actuator 2 to engage. Specifically, the lock body base plate 1 includes a lock body 11 and a latch 13 rotatably connected to the lock body 11. A baffle 12 is also rotatably connected to the lock body 11. The latch 13 has a lock groove 131 for locking the latch 14. Specifically, the baffle 12 has a slot 122 and a trigger block 121. The trigger block 121 is used to trigger a micro switch 31, and the slot 122 is used to engage the latch 13. Specifically, the latch 13 also has a protrusion 132 that matches the slot 122. When the slot 122 engages with the protrusion 132, it prevents the latch 13 from reversing and releasing the latch.
[0025] The self-closing actuator 2 includes a connecting base plate 21 and a first rotating member 22 rotatably connected to the connecting base plate 21. One end of the first rotating member 22 is rotatably connected to a second rotating member 23. A rotating shaft is provided at the connection between the first rotating member 22 and the second rotating member 23. An elastic element 24 is sleeved on the rotating shaft. One end of the elastic element 24 is connected to the first rotating member 22, and the other end is connected to the second rotating member 23. When the driving element 3 drives the first rotating member 22 and the second rotating member 23 to rotate, the second rotating member 23 can drive the lock body base plate 1 to close. Specifically, the elastic element 24 is a torsion spring.
[0026] Specifically, the driving element 3 includes a pull wire 32 and a micro switch 31. The micro switch 31 is located on one side of the baffle 12. When the baffle 12 rotates, the baffle 12 touches the micro switch 31 and sends a signal. Specifically, the pull wire 32 is connected to the end of the first rotating member 22 away from the second rotating member 23. When the pull wire 32 is pulled, the pull wire 32 pulls the first rotating member 22 to rotate along the rotation axis. The first rotating member 22 drives the second rotating member 23 to rotate towards the locking tongue 13.
[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. An external electric self-suction door lock driver for a vehicle, comprising a lock body base plate (1) arranged in a door, characterized in that: The self-suction driver (2) is detachably connected with the lock body bottom plate (1), and the self-suction driver (2) is connected with a driving element (3) for driving the self-suction driver (2) to suction. The self-suction driver (2) comprises a connecting base plate (21) and a first rotating element (22) rotatably connected with the connecting base plate (21), one end of the first rotating element (22) is rotatably connected with a second rotating element (23), a rotating shaft is arranged at the connection position of the first rotating element (22) and the second rotating element (23), an elastic element (24) is sleeved on the rotating shaft, one end of the elastic element (24) is connected with the first rotating element (22), and the other end of the elastic element (24) is connected with the second rotating element (23), when the driving element (3) drives the first rotating element (22) and the second rotating element (23) to rotate, the second rotating element (23) can drive the lock body bottom plate (1) to suction.
2. The external electric self-priming door lock driver of claim 1, wherein: The lock body bottom plate (1) comprises a lock body (11) and a lock bolt (13) rotatably connected with the lock body (11), a baffle (12) is further rotatably connected on the lock body (11), the lock bolt (13) is provided with a lock groove (131) for locking a lock catch (14).
3. The external electric self-priming door lock driver of claim 2, wherein: The driving element (3) comprises a pull wire (32) and a micro switch (31), the micro switch (31) is arranged on one side of the baffle (12), when the baffle (12) rotates, the baffle (12) touches the micro switch (31) to send a signal.
4. The external electric self-priming door lock driver of claim 3, wherein: The pull wire (32) is connected with one end of the first rotating element (22) away from the second rotating element (23), when the pull wire (32) is pulled, the pull wire (32) drives the first rotating element (22) to rotate along the rotating shaft, and the first rotating element (22) drives the second rotating element (23) to rotate to one side of the lock bolt (13).
5. The external electric self-priming door lock driver of claim 1, wherein: The elastic element (24) is a torsion spring.
6. The external electric self-priming door lock driver of claim 3, wherein: The baffle (12) is provided with a clamping groove (122) and a trigger block (121), the trigger block (121) is used for triggering the micro switch (31), and the clamping groove (122) is used for clamping the lock bolt (13).
7. The external electric self-priming door lock driver of claim 6, wherein: The lock bolt (13) is further provided with a protrusion (132) matched with the clamping groove (122), after the clamping groove (122) and the protrusion (132) are clamped, the lock bolt (13) is prevented from being reversed to release the lock catch.