Anti-pinch structure of sliding door
By installing an anti-pinch structure on the car door and using an elastomer to trigger a microswitch to control the door closing, the problem of accidental door pinching is solved, and the door can be automatically stopped or returned to its original position, thus improving safety.
Patent Information
- Application Number
- CN202520110262.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing car doors are prone to trapping people's clothing and bodies when closing, leading to frequent cases of accidental trapping.
An anti-pinch structure is installed on the car door, including a frame, a micro switch, an elastomer, and a pressure rod. The elastomer triggers the micro switch to control the closing process of the car door and prevents accidental pinching.
It enables the car door to automatically stop or change its travel when it encounters resistance, avoiding accidental clamping. It has a simple, sturdy, and durable structure and a sensitive response.
Smart Images

Figure CN223739224U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle door safety component technical field, concretely relates to a push -pull door anti -pinch structure. BACKGROUND
[0002] In daily life, it is found that most of the current public transport vehicles adopt cylinder or electric push rod driving for the vehicle door, compared with the traditional manual or motor dragging mode, has the advantages of high sensitivity, good durability, fast and convenient, however, also because of this, the vehicle door is easy to pinch the clothes and body of the personnel when closing, and the situation also occurs from time to time.
[0003] Therefore, the applicant proposes a new technical scheme, a vehicle door anti -pinch device is equipped on the current market transport vehicle, when the vehicle door is closed, it will stop automatically after encountering resistance, or change the original travel of the glass into return travel, thereby preventing the mis -pinch situation. UTILITARIAN CONTENT
[0004] Therefore, the utility model provides a push -pull door anti -pinch structure to solve the problem of personnel mis -pinch caused by the closing of the vehicle door in the prior art.
[0005] In order to realize the above purpose, the utility model provides the following technical scheme:
[0006] The utility model discloses a push -pull door anti -pinch structure, comprising:
[0007] Frame, the front side is fixedly installed machine case, the frame is installed in micro -switch, the micro -switch is connected with the drive circuit of traction frame,
[0008] Anti -pinch piece, along the length direction of the machine case, set in the machine case, and the machine case is internally provided with elastic body,
[0009] Pressing plate, the bottom is suitable for triggering the action spring leaf of micro -switch, the top of the pressing plate is connected with the one end of pressing rod, and the other end of the pressing rod passes through the machine case and is connected with the anti -pinch piece,
[0010] Wherein, the elastic body is set on the pressing rod and is suitable for pushing the pressing rod reset.
[0011] Further, the anti -pinch piece is strip -shaped and abuts against the other end of the pressing rod.
[0012] Further, the anti -pinch piece is flexible rubber.
[0013] Further, the elastic body is a spring.
[0014] Further, the frame comprises a frame body, guide rails and a mounting bar, the microswitch is mounted on the mounting bar, the mounting bar is arranged at the middle of the frame body, and the frame body is arranged in parallel with a pair of guide rails.
[0015] Further, the frame comprises:
[0016] The frame body is internally provided with a through slot, and the frame body is provided with an opening at the front side and connected with the frame at the rear side.
[0017] The bottom plate is arranged at the bottom of the frame body, and the pressing rod is connected with the pressing plate through the bottom plate.
[0018] Further, the pressing rod is provided with two fixed shafts at both ends, one of the fixed shafts is hingedly arranged on the hinge seat on the pressing plate, and the other fixed shaft abuts against one end of the elastic body, and the other end of the elastic body abuts against the bottom plate.
[0019] Further, the number of the pressing rods is not less than two, and the number of the microswitches is not less than two.
[0020] The utility model has the advantages of:
[0021] The utility model discloses a sliding door anti-pinch structure, through elastic body support pressing rod, and utilize pressing rod to drive pressing plate to trigger microswitch, because microswitch is connected with the circuit of the driving device of the sliding door, when microswitch is triggered, the sliding door can meet the resistance and stop automatically or change the original stroke to return stroke. Compared with the prior art, the utility model has the advantages of simple structure, firm and durable, and sensitive reaction, and solves the problem of personnel misclamping caused by the closing of the door in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.
[0023] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the utility model that can be implemented, so they do not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.
[0024] Figure 1 The utility model provides a push -and -pull door anti -pinch structure perspective view is provided for the utility model;
[0025] Figure 2 The utility model provides a anti -pinch piece perspective view is provided for the utility model;
[0026] Figure 3 The utility model provides a push -and -pull door anti -pinch structure main view is provided for the utility model;
[0027] Figure 4 The utility model provides a machine case perspective view is provided for the utility model;
[0028] Figure 5 The utility model provides a frame perspective view is provided for the utility model;
[0029] Figure 6 The utility model provides a pressboard perspective view is provided for the utility model;
[0030] In the drawing: 1 frame;11 frame body;12 guide rail;13 installation bar;2 machine case;21 case body;22 through slot;23 opening;24 bottom plate;3 anti -pinch piece;4 elastic body;5 pressboard;6 press rod;7 micro -switch;8 hinged seat;9 fixed axle. DETAILED DESCRIPTION
[0031] The following by specific embodiment explains the embodiment of the utility model of the person skilled in the art can easily understand the other advantages and efficacy of the utility model from the content disclosed in the present specification, obviously, the described embodiment is the embodiment of the utility model a part, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the scope of the utility model protection.
[0032] Please refer to Figures 1-6 The utility model discloses a push -and -pull door anti -pinch structure, through adding elastic body trigger micro -switch to suspend the process of push -and -pull door closing, the following will be with the mode of specific embodiment, the technical scheme disclosed by the utility model is explained.
[0033] In one embodiment of the utility model discloses, push -and -pull door anti -pinch structure includes frame 1, anti -pinch piece 3 and pressing plate 5, wherein, frame 1 front side fixed mounting has machine box 2, install micro -switch 7 in the inside of frame 1, micro -switch 7 is connected with the electric push rod or other drive device circuit of drive traction frame 1. Meanwhile, along the length direction of machine box 2 is provided with anti -pinch piece 3, specifically, anti -pinch piece 3 is set up in machine box 2, and be provided with elastomer 4 in the inside of machine box 2, elastomer 4 is set up on pressing rod 6, specifically, the both ends of pressing rod 6 are provided with two fixed shafts 9, one fixed shaft 9 is hingedly arranged on the hinge seat 8 on pressing plate 5, and the other fixed shaft 9 abuts against one end of elastomer 4, and the other end of elastomer 4 abuts against bottom plate 24, the number of pressing rod 6 is not less than two, and the number of corresponding micro -switch 7 is not less than two.
[0034] In one embodiment of the utility model discloses, anti -pinch piece 3 passes through machine box 2 and is connected with one end of pressing rod 6, and the other end of pressing rod 6 is hinged with the top of pressing plate 5, and the bottom of pressing plate 5 is adapted to trigger the action spring blade of micro -switch 7 to connect circuit, when micro -switch 7 is connected, can disconnect circuit in time or make circuit reverse, thus enabling drive device to suspend or return in time.
[0035] In one embodiment of the utility model discloses, anti -pinch piece 3 is strip-shaped and abuts against the other end of pressing rod 6, to increase the range of contact sensing. And, the material of anti -pinch piece 3 is flexible rubber, when push -and -pull door is misclamped, the harm to human body is avoided.
[0036] In one embodiment of the utility model discloses, frame 1 includes frame body 11, guide rail 12 and installation bar 13, micro -switch 7 is installed on installation bar 13, installation bar 13 is arranged in the middle of frame body 11, and a pair of guide rails 12 are arranged in parallel in frame body 11. In one embodiment of the utility model discloses, sheet metal or skin is installed on the front and back of frame body 11 to play a protective role. On the other hand, machine box 2 is installed on frame body 11, and machine box 2 is aligned with micro -switch 7.
[0037] Specifically, machine box 2 includes box body 21 and bottom plate 24, a through slot 22 is arranged in the inside of box body 21, an opening 23 is arranged on the front side of box body 21, the rear side of box body 21 is connected with frame body 11, anti -pinch piece 3 is arranged in the opening 23, elastomer 4 is arranged in the through slot 22, elastomer 4 is set up on pressing rod 6, specifically, two fixed shafts 9 are arranged at the both ends of pressing rod 6, one fixed shaft 9 is hingedly arranged on hinge seat 8 on pressing plate 5, the other fixed shaft 9 abuts against one end of elastomer 4, the other end of elastomer 4 abuts against bottom plate 24. On this basis, the number of pressing rod 6 is not less than two, and the number of corresponding micro -switch 7 is not less than two.
[0038] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the range of protection required by the utility model.
Claims
1. A sliding door anti-pinch structure, characterized in that, The utility model relates to a frame (1) is provided with a machine case (2) on the front side, a microswitch (7) is installed in the frame (1), and the microswitch (7) is connected with the driving device circuit of the frame (1) in an electric way. A clamping-preventing part (3) is arranged in the machine case (2) along the length direction of the machine case (2), and an elastic body (4) is arranged in the machine case (2). A pressing plate (5) is arranged at the bottom of the machine case (2) and is connected with one end of a pressing rod (6), and the other end of the pressing rod (6) is connected with the clamping-preventing part (3) through the machine case (2). The elastic body (4) is sleeved on the pressing rod (6) and is adapted to push the pressing rod (6) to reset. The clamping-preventing part (3) is in a strip shape and is in abutment with the other end of the pressing rod (6).
2. The sliding door anti-pinch structure according to claim 1, wherein The clamping-preventing part (3) is made of flexible rubber.
3. The sliding door anti-pinch structure as claimed in claim 1, wherein The elastic body (4) is a spring.
4. The sliding door anti-pinch structure of claim 1, wherein, The frame (1) comprises a frame body (11), guide rails (12) and a mounting bar (13), the microswitch (7) is mounted on the mounting bar (13), the mounting bar (13) is arranged in the middle of the frame body (11), and the frame body (11) is provided with a pair of guide rails (12) in parallel.
5. The sliding door anti-pinch structure as claimed in claim 1, wherein The machine case (2) comprises:
6. The sliding door anti-pinch structure of claim 1, wherein A case body (21) is provided with a through slot (22) inside, the case body (21) is provided with an opening (23) on the front side, and the rear side is connected with the frame (1); A bottom plate (24) is arranged at the bottom of the case body (21), and the pressing rod (6) is connected with the pressing plate (5) through the bottom plate (24). The pressing rod (6) is provided with two fixed shafts (9) at both ends, one fixed shaft (9) is hingedly arranged on a hinge seat (8) on the pressing plate (5), the other fixed shaft (9) is in abutment with one end of the elastic body (4), and the other end of the elastic body (4) is in abutment with the bottom plate (24).
7. The sliding door anti-pinch structure of claim 6, wherein The number of the pressing rod (6) is not less than two, and the number of the microswitch (7) is not less than two.
8. The sliding door anti-pinch structure of claim 1, wherein,