Tail door auxiliary lock with door touch signal switch
By designing components such as limit plates and guide blocks, the detection structure of the car door lock is simplified, solving the problems of complex structure and excessive space requirements in existing technologies, and realizing easy-to-produce and low-cost door opening and closing detection.
Patent Information
- Application Number
- CN202520227458.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing door lock detection ratchet position sensing door opening and closing structures are complex and require too much space, failing to meet practical needs.
It adopts a structure consisting of a limit plate, guide block, return spring, button, elastic plate, restoring spring, bottom shell, and housing. Through the cooperation of guide post and guide block, it realizes simple detection of the door's open and closed status.
The structure of the detection switch has been simplified, making it easier to control production quality and reducing costs.
Smart Images

Figure CN223661589U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of door, especially a tail door sub -lock with door touch signal switch. BACKGROUND
[0002] The door provides the passage for the driver and the passenger to enter and exit the vehicle, and isolates the interference outside the vehicle, reduces the side impact to a certain extent, protects the passenger, and the appearance of the automobile is related to the modeling of the door. The good and bad of the door mainly reflects the anti-collision performance of the door, the sealing performance of the door, the convenience of opening and closing of the door, and of course other use function indexes. The anti-collision performance is particularly important because the buffer distance is very short when the vehicle side collision occurs, and the people in the vehicle can be easily injured.
[0003] The existing door lock generally detects the position of the ratchet wheel to perceive the opening and closing of the door. The existing structure is complex, and requires too much space, which cannot meet the actual demand. Therefore, the door opening detection switch is added to the contact position of the lock catch guide column on the tail door sub -lock.
[0004] Therefore, it is necessary to provide a tail door sub -lock with door touch signal switch to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model provides a tail door sub -lock with door touch signal switch, which solves the problem of detecting the position of the ratchet wheel to perceive the opening and closing of the door, complex structure, and too much space requirement, which cannot meet the actual demand.
[0006] To solve the above technical problems, the utility model provides a tail door sub -lock with door touch signal switch, which comprises:
[0007] The mounting frame is provided with a plurality of limiting plates, and the plurality of limiting plates are arranged on one side of the mounting frame.
[0008] The plurality of limiting plates are internally connected with guide blocks, one end of the guide block is provided with a reset spring, one end of the guide block is fixedly connected with a button, the surface of the button is provided with a recovery spring, one end of the recovery spring is provided with a bottom shell, one side of the bottom shell is fixedly connected with a limiting sleeve, and the inside of the bottom shell is provided with a shell.
[0009] The elastic plate is arranged on the surface of the button, and one end of the elastic plate is fixedly connected with a microswitch.
[0010] The guide column is arranged at one end of the guide block.
[0011] Preferably, a plurality of limiting grooves are formed in the inside of the bottom shell, and a limiting block is arranged in the inside of each of the plurality of limiting grooves.
[0012] Preferably, the plurality of limiting plates are internally provided with fixing grooves, and the plurality of fixing grooves are internally provided with fixing clamps.
[0013] Preferably, the mounting frame is internally provided with a plurality of clamping grooves, and the plurality of clamping grooves are internally provided with clamping blocks.
[0014] Preferably, the mounting frame is internally provided with two positioning grooves, and one side of the mounting frame is provided with a mounting box.
[0015] Preferably, the mounting box is internally provided with two rotating grooves, and the two rotating grooves are internally rotatably connected with rotating rods, the surfaces of the two rotating rods are threadedly connected with two rotating blocks, and the surfaces of the two rotating rods are fixedly connected with rotating handles.
[0016] Preferably, one side of the plurality of rotating blocks is fixedly connected with positioning blocks, and one side of the plurality of positioning blocks is fixedly connected with protective pads.
[0017] Compared with the related art, the tail door sub-lock with the door-touch signal switch has the following beneficial effects:
[0018] The tail door sub-lock with the door-touch signal switch comprises a limiting plate, a guiding block, a reset spring, a button, an elastic plate, a restoring spring, a bottom shell and a shell. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 Fig. 1 is a structural schematic view of a first embodiment of the tail door sub-lock with the door-touch signal switch according to the present application;
[0020] Figure 2 Fig. 2 is a structural schematic view of the shell shown in Fig. 1; Figure 1
[0021] Fig. 3 is a structural schematic view of the inside of the shell shown in Fig. 1; Figure 3 Figure 2 Fig. 4 is a structural schematic view of the button shown in Fig. 1;
[0022] Figure 4 Figure 3 Fig. 5 is an enlarged schematic view of A part shown in Fig. 1;
[0023] Figure 5 Fig. 6 is a structural schematic view of the elastic plate shown in Fig. 1; Figure 2
[0024] Figure 6 A schematic diagram of the structure of a second embodiment of a tailgate auxiliary lock with a door contact signal switch provided by this utility model;
[0025] Figure 7 for Figure 6 The diagram shows the structure of the positioning block.
[0026] The following are the labels in the diagram: 1. Mounting bracket, 2. Guide block, 3. Limiting plate, 4. Return spring, 5. Button, 6. Elastic plate, 7. Micro switch, 8. Return spring, 9. Bottom shell, 10. Limiting sleeve, 11. Guide post, 12. Housing, 13. Limiting groove, 14. Limiting block, 15. Protective pad, 16. Fixing groove, 17. Fixing clip, 18. Clip groove, 19. Clip block, 20. Positioning groove, 21. Positioning block, 22. Rotating groove, 23. Rotating rod, 24. Rotating block, 25. Rotating handle, 26. Mounting box. Detailed Implementation
[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0028] First Embodiment
[0029] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of a tailgate auxiliary lock with a door contact signal switch provided by this utility model; Figure 2 for Figure 1 The diagram shows the structural schematic of the shell. Figure 3 for Figure 2 The diagram shows the internal structure of the shell. Figure 4 for Figure 3 The diagram shows the structure of the button. Figure 5 for Figure 2 The enlarged schematic diagram of section A is shown. A tailgate auxiliary lock with a door contact signal switch includes:
[0030] Mounting bracket 1;
[0031] Multiple limiting plates 3 are provided on one side of the mounting frame 1. Guide blocks 2 are slidably connected inside the multiple limiting plates 3. A return spring 4 is provided at one end of the guide block 2. A button 5 is fixedly connected to one end of the guide block 2. A return spring 8 is provided on the surface of the button 5. A bottom shell 9 is provided at one end of the return spring 8. A limiting sleeve 10 is fixedly connected to one side of the bottom shell 9. A housing 12 is provided inside the bottom shell 9.
[0032] An elastic plate 6 is disposed on the surface of the button 5, and a micro switch 7 is fixedly connected to one end of the elastic plate 6.
[0033] Guide post 11, which is disposed at one end of guide block 2.
[0034] One end of the restoring spring 8 is located inside the limiting sleeve 10, while the other end is fitted onto the surface of the button 5.
[0035] The micro switch 7 is fixedly installed inside the housing 12, and the elastic plate 6 is a spring. One end of the elastic plate 6 is fixedly connected to the bottom of the micro switch 7, and the elastic plate 6 is installed at an angle at the bottom of the micro switch 7.
[0036] Multiple limiting plates 3 are combined together to form a rectangular box, and the guide block 2 is slidably connected inside the rectangular box composed of multiple limiting plates 3.
[0037] The guide column 11 is fixedly installed on the door latch.
[0038] The bottom shell 9 has multiple limiting grooves 13 inside, and each of the multiple limiting grooves 13 is provided with a limiting block 14.
[0039] One side of each of the multiple limiting blocks 14 is fixedly connected to the four sides of the surface of the housing 12, and one side of each of the multiple limiting blocks 14 is an inclined surface. The housing 12 and the bottom shell 9 are fixed together by the multiple limiting blocks 14 and the multiple limiting grooves 13.
[0040] Each of the multiple limiting plates 3 has a fixing groove 16 inside, and each of the multiple fixing grooves 16 has a fixing clip 17 inside.
[0041] The fixing clip 17 is an L-shaped clip, and one side of the fixing clip 17 is a bevel. One end of the fixing clip 17 is fixedly connected to one end of the housing 12, thereby facilitating the installation between the housing 12 and the multiple limiting plates 3.
[0042] The mounting bracket 1 has multiple slots 18 inside, and each of the multiple slots 18 has a locking block 19 inside.
[0043] The card block 19 is a C-shaped block made of plastic. After the card block 19 is inserted into the card slot 18, the limiting plate 3 is limited by the contact between the surface of the card block 19 and the inner wall surface of the card slot 18.
[0044] Both ends of one end of the limiting plate 3 are fixedly connected with locking blocks 19.
[0045] The working principle of the tailgate auxiliary lock with door contact signal switch provided by this utility model is as follows:
[0046] In use, when the door lock moves to one side, it moves the guide post 11 to one side and makes contact with one end of the guide block 2. At the same time, it pushes the guide block 2 to one side and squeezes the return spring 4. When the guide block 2 moves to one side, it moves the button 5 to one side and squeezes the return spring 8. When the button 5 moves to one side, it moves the elastic plate 6 and squeezes the micro switch 7. The micro switch 7 disconnects and sends a signal to the BCM.
[0047] When the door lock moves to one side and opens, causing the guide post 11 to separate from the guide block 2, the return spring 8 pushes the button 5 to reset, and at the same time the return spring 4 pushes the guide block 2 to move to one side to reset, thereby resetting the elastic plate 6, turning on the micro switch 7, and indicating that the door is in the open state.
[0048] Compared with related technologies, the tailgate auxiliary lock with door contact signal switch provided by this utility model has the following advantages:
[0049] This utility model provides a tailgate auxiliary lock with a door contact signal switch. Through the cooperation of the limiting plate 3, guide block 2, reset spring 4, button 5, elastic plate 6, return spring 8, bottom shell 9 and housing 12, the guide post 11 presses or separates from the guide block 2, and the button 5 moves to one side to cooperate with the elastic plate 6 and micro switch 7 to press or separate, indicating that the door is in an open or closed state. Thus, the detection switch has a simple structure, is easy to produce and control quality, and has a low cost.
[0050] Second Embodiment
[0051] Please refer to the following: Figure 6 and Figure 7 Based on the tailgate auxiliary lock with a door contact signal switch provided in the first embodiment of this application, the second embodiment of this application proposes another tailgate auxiliary lock with a door contact signal switch. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0052] Specifically, the tailgate auxiliary lock with door contact signal switch provided in the second embodiment of this application is different in that the tailgate auxiliary lock with door contact signal switch has two positioning slots 20 inside the mounting bracket 1, and a mounting box 26 is provided on one side of the mounting bracket 1.
[0053] The mounting box 26 has four fixing slots 16 inside, and the guide block 2 is slidably connected to the inside of the mounting box 26.
[0054] The mounting box 26 has two rotating slots 22 inside, and rotating rods 23 are rotatably connected inside each of the two rotating slots 22. Two rotating blocks 24 are threadedly connected to the surface of each of the two rotating rods 23, and rotating handles 25 are fixedly connected to the surface of each of the two rotating rods 23.
[0055] The rotating rod 23 is a counter-threaded rod, and the rotating block 24 has a threaded hole inside that matches the rotating rod 23. When the rotating rod 23 rotates to one side, the rotating block 24 moves to one side on the surface of the rotating rod 23.
[0056] The rotating groove 22 is a rectangular groove, and the rotating block 24 is a rectangular block that is adapted to the rotating groove 22.
[0057] A positioning block 21 is fixedly connected to one side of each of the plurality of rotating blocks 24, and a protective pad 15 is fixedly connected to one side of each of the plurality of positioning blocks 21.
[0058] Multiple rotating blocks 24 are all L-shaped blocks, and are slidably connected to the inside of two positioning grooves 20 respectively.
[0059] The protective pad 15 is made of rubber and is used to increase the stability of the positioning block 21 when it is fixed after the positioning block 21 is moved to a suitable position and one side of the protective pad 15 contacts the side of the mounting bracket 1.
[0060] The working principle of the tailgate auxiliary lock with door contact signal switch provided by this utility model is as follows:
[0061] In use, by rotating the rotating rod 23 to one side, the two rotating blocks 24 are moved towards the center on the surface of the rotating rod 23. After the two positioning blocks 21 are moved to the appropriate position inside the positioning groove 20, the mounting box 26 can be removed by moving it to one side.
[0062] When installing the mounting box 26, after inserting the positioning block 21 into the positioning groove 20, the rotating rod 23 is reversed, thereby driving the two rotating blocks 24 connected to the two positioning blocks 21 to move to the appropriate positions on both sides inside the positioning groove 20, thus limiting the mounting box 26.
[0063] Compared with related technologies, the tailgate auxiliary lock with door contact signal switch provided by this utility model has the following advantages:
[0064] This utility model provides a tailgate auxiliary lock with a door contact signal switch. By rotating the rod 23 in conjunction with the rotating groove 22 and two rotating blocks 24, the two positioning blocks 21 can be moved inside the positioning groove 20, thereby facilitating the installation or disassembly of the mounting box 26 and making it convenient for subsequent maintenance or replacement.
[0065] 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 or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A tailgate auxiliary lock with a door contact signal switch, characterized in that, include: Mounting rack; Multiple limiting plates are provided, each of which is disposed on one side of the mounting frame. A guide block is slidably connected inside the multiple limiting plates. A return spring is provided at one end of the guide block. A button is fixedly connected to one end of the guide block. A return spring is provided on the surface of the button. A bottom shell is provided at one end of the return spring. A limiting sleeve is fixedly connected to one side of the bottom shell. A housing is provided inside the bottom shell. A flexible plate is disposed on the surface of the button, and a micro switch is fixedly connected to one end of the flexible plate. A guide post is disposed at one end of the guide block.
2. A tailgate auxiliary lock with a door contact signal switch according to claim 1, characterized in that, The bottom shell has multiple limiting grooves inside, and each of the multiple limiting grooves is provided with a limiting block.
3. A tailgate auxiliary lock with a door contact signal switch according to claim 1, characterized in that, Each of the multiple limiting plates has a fixing groove inside, and a fixing clip is provided inside each of the multiple fixing grooves.
4. A tailgate auxiliary lock with a door contact signal switch according to claim 1, characterized in that, The mounting bracket has multiple slots inside, and each slot contains a locking block.
5. A tailgate auxiliary lock with a door contact signal switch according to claim 4, characterized in that, The mounting bracket has two positioning slots inside, and a mounting box is provided on one side of the mounting bracket.
6. A tailgate auxiliary lock with a door contact signal switch according to claim 5, characterized in that, The mounting box has two rotating slots inside, and a rotating rod is rotatably connected inside each of the two rotating slots. Two rotating blocks are threadedly connected to the surface of each of the two rotating rods, and a rotating handle is fixedly connected to the surface of each of the two rotating rods.
7. A tailgate auxiliary lock with a door contact signal switch according to claim 6, characterized in that, Each of the plurality of rotating blocks is fixedly connected to one side of a positioning block, and each of the plurality of positioning blocks is fixedly connected to one side of a protective pad.