Anti-pinch induction safety device for elevator door
The elevator door anti-pinch sensor safety device solves the problem of pet leashes getting caught in the elevator door, ensuring the safety and reliability of elevator operation and preventing pet injuries and elevator operation disruptions.
Patent Information
- Application Number
- CN202520459445.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-17
AI Technical Summary
During elevator use, pet leashes may get caught in the elevator doors, causing injury to the pet and affecting elevator operation.
An anti-pinch sensing safety device for elevator doors is designed, including a storage slot inside the elevator door, a push frame, a push plate, a cutter, and a grinding mechanism. Through the storage slot of the device, a cutting pad is set, and the rope is cut by the relative movement of the elevator door. The cutting blade is kept sharp by the grinding block and the adjustment mechanism.
This effectively prevents injuries from pets and also avoids injuries from the elevator getting stuck during operation, thus preventing any impact on the elevator's safety and reliability.
Smart Images

Figure CN223852020U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator door technical field, concretely is an elevator door anti-pinch induction safety device. BACKGROUND
[0002] The elevator door is a very important part of the elevator, mainly composed of two parts: the hall door fixed on each floor, which can be seen from outside the elevator, and the car door fixed in the car and moving with the car. The opening and closing of the elevator door is generally driven by the car door, and the stability, rationality and safety are the key factors to determine the grade of the elevator.
[0003] At present, as people's quality of life improves, many people will start to raise pets, and when taking pets for a walk, a rope will be used. When taking the elevator, the pet and the person may be in the elevator inside and outside respectively, and the elevator door has been closed, so that the rope will be stuck in the elevator during the rising or descending process. At this time, not only will the pet be harmed, but also the operation of the elevator will be affected. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides an elevator door anti-pinch induction safety device, which can solve the problem that sometimes the passenger will accidentally bring the rope into the elevator door gap when taking the elevator with the pet, avoid the rope being stuck in the elevator during the rising or descending process, so as to not only harm the pet, but also affect the operation of the elevator.
[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme: an elevator door anti-pinch induction safety device, comprising elevator door I and elevator door II, the elevator door I and the elevator door II are symmetrically arranged, and a receiving groove is formed in one side of the elevator door II, limit grooves I are symmetrically formed in the inner side wall of the receiving groove, a pushing frame is slidably connected in the limit groove I, a pushing plate is arranged at one end of the pushing frame, the middle side surface of the pushing plate is rotatably connected with the inner side wall of the receiving groove through a rotating shaft, the pushing plate is slidably connected with the pushing frame through a sliding groove I, a moving plate is slidably connected with the other end of the pushing plate through a sliding groove II, a cutter is fixedly connected with one side surface of the moving plate, a polishing mechanism is arranged at one end of the cutter, and a reset assembly is arranged on the other side surface of the moving plate.
[0006] Preferably, the reset assembly comprises a reset spring, one end of the reset spring is fixedly connected with the other side surface of the moving plate, and the other end of the reset spring is fixedly connected with the inner wall of the receiving groove.
[0007] Preferably, the polishing mechanism comprises symmetrically arranged whetstones, and the inner side surface of the whetstone is provided with an inclined surface which is matched with the cutting surface of the cutter, the outer side surface of the whetstone is fixedly connected with a limiting block which is slidingly connected with the inner part of the elevator door II, and the upper end of the whetstone is provided with an adjusting mechanism.
[0008] Preferably, the two end side surfaces of the limiting block are provided with limiting grooves II, and the inner part of the limiting groove II is fixedly connected with the elevator door II through a sliding block.
[0009] Preferably, the adjusting mechanism comprises a threaded cylinder, one end of the threaded cylinder is rotatably connected with the inner side wall of the receiving groove, the other end of the threaded cylinder is connected with a knob through the elevator door II, the inner part of the threaded cylinder is provided with a threaded groove, and the inner part of the threaded groove is inserted with a driving column, and the lower end of the driving column is fixedly connected with the upper end of the whetstone.
[0010] Preferably, one side surface of the elevator door I is fixedly connected with a cutting pad, and the outer side surface of the cutting pad is provided with a cutting groove which is aligned with the cutter.
[0011] The utility model provides a kind of elevator door anti-pinch induction safety device.Compared with prior art, it has the following beneficial effects:
[0012] 1, the cutter and the movable plate fixedly connected with the cutter side, the push plate slidingly connected with the upper end of the movable plate, the push frame slidingly connected with the one end of the push plate and the elevator door I are cooperated with each other, so that the situation that sometimes passenger takes pet to ride elevator and inadvertently enters rope into elevator door gap can be solved, to avoid elevator is stuck in rope in the process of ascending or descending, so that not only harm to pet is generated, but also the problem that the operation of elevator is influenced.
[0013] 2, the reset spring in the reset group of the other side surface of the movable plate can retract the cutter to the inside of the receiving groove when the elevator door I and the elevator door II are opened, to avoid cutter from being exposed outside after the elevator door I and the elevator door II are opened, so that the harm of cutter to passenger is prevented.
[0014] 3, the whetstone symmetrically arranged in the polishing mechanism and the adjusting mechanism arranged above the whetstone can adjust the distance of whetstone while polishing cutter, so that the dulling of cutter after long time use can be prevented, to reduce the efficiency of telescopic cutting, and the service life of cutter is also prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic view of the utility model;
[0016] Figure 2 It is the structure schematic view of the elevator door I in the utility model;
[0017] Figure 3 It is the schematic view of the section structure of elevator door II in the utility model;
[0018] Figure 4 It is the schematic view of the internal structure of the storage groove in the utility model;
[0019] Figure 5 It is Figure 4 the partial enlarged structure schematic view.
[0020] In the drawing: 1, elevator door I; 101, cutting pad; 2, elevator door II; 201, storage groove; 202, limiting groove I; 203, pushing frame; 204, knob; 205, pushing plate; 2051, sliding groove I; 2052, sliding groove II; 206, threaded cylinder; 207, knife grinding block; 2071, driving column; 208, limiting block; 2081, limiting groove II; 3, cutter; 301, moving plate; 302, return spring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of elevator door anti-pinch induction safety device, including elevator door I 1 and elevator door II 2, elevator door I 1 and elevator door II 2 are symmetrically arranged, one side inside of elevator door II 2 is provided with storage groove 201, the inside wall of storage groove 201 is symmetrically provided with limiting groove I 202, limiting groove I 202 is slidably connected with pushing frame 203 in its inside, one end of pushing frame 203 is equipped with pushing plate 205, the middle side surface of pushing plate 205 is rotatably connected with the inside wall of storage groove 201 by pivot, one end of pushing plate 205 is slidably connected with pushing frame 203 by sliding groove I 2051, the other end of pushing plate 205 is slidably connected with moving plate 301 by sliding groove II 2052, one side surface of moving plate 301 is fixedly connected with cutter 3, one end of cutter 3 is equipped with polishing mechanism, the other side surface of moving plate 301 is equipped with reset component.
[0023] As a technical optimization scheme of the utility model, the reset assembly includes a reset spring 302, one end of the reset spring 302 is fixedly connected with the other side surface of the moving plate 301, the other end of the reset spring 302 is fixedly connected with the inner wall of the receiving groove 201, the reset spring 302 can pull the cutter 3 back to the inside of the receiving groove 201 when the elevator door I 1 and the elevator door II 2 are opened, so that the risk that the cutter 3 protrudes outside the elevator door II 2 and injures passengers is avoided.
[0024] As a technical optimization scheme of the utility model, the grinding mechanism includes symmetrically arranged grinding blocks 207, the inner side surface of the grinding block 207 is provided with an inclined surface, the inclined surface and the cutting surface of the cutter 3 are mutually matched, the outer side surface of the grinding block 207 is fixedly connected with a limiting block 208, the limiting block 208 is slidingly connected with the inside of the elevator door II 2, the upper end of the grinding block 207 is provided with an adjusting mechanism, the grinding block 207 can grind the cutter 3 during the movement of the cutter 3, so that the situation that the cutter 3 is not sharp after long-time use is avoided, limiting grooves II 2081 are formed in the two end side surfaces of the limiting block 208, the limiting block 208 is fixedly connected with the elevator door II 2 through a sliding block in the inside of the limiting groove II 2081, the limiting block 208 is further limited through the limiting groove II 2081 and the sliding block in the inside of the limiting groove II 2081, and the running stability of the grinding block 207 is improved.
[0025] As a technical optimization scheme of the utility model, the adjusting mechanism includes a threaded cylinder 206, one end of the threaded cylinder 206 is rotatably connected with the inner side wall of the receiving groove 201, the other end of the threaded cylinder 206 is connected with a knob 204 through the elevator door II 2, a threaded groove is formed in the inside of the threaded cylinder 206, a driving column 2071 is inserted into the inside of the threaded groove, the lower end of the driving column 2071 is fixedly connected with the upper end of the grinding block 207, the threaded cylinder 206 and the threaded groove and the driving column 2071 are matched with each other, so that the staff can conveniently adjust the spacing of the grinding block 207, and the grinding block 207 cannot grind the cutter 3 after being worn.
[0026] As a technical optimization scheme of the utility model, the side surface of the elevator door I 1 is fixedly connected with a cutting pad 101, a cutting groove is formed in the outer side surface of the cutting pad 101, the cutting groove is aligned with the cutter 3, and the effect that the cutter 3 cuts the rope is further improved.
[0027] The utility model discloses when using, when elevator door I 1 and elevator door II 2 relative movement closes, at this moment elevator door I 1 will extrude push frame 203, and push frame 203 will slide in the inside of spacing groove I 202, and push the one end of push plate 205 simultaneously, and push plate 205 will rotate and move mobile plate 301 through the other end and move to the outside of storage groove 201, at this moment mobile plate 301 will push cutter 3 and move out the inside of storage groove 201, thereby can cut the rope that is clamped between elevator door I 1 and elevator door II 2, and cutter 3 will pass through whetstone block 207 in the process that cutter 3 moves out the inside of storage groove 201, at this moment whetstone block 207 will rub the surface of cutter 3, thereby avoid the dullness of cutter 3, then when elevator door I 1 and elevator door II 2 open, at this moment elevator door I 1 will be away from push frame 203, thereby release the extrusion of push frame 203, at this moment reset spring 302 on the other side surface of mobile plate 301 will pull mobile plate 301 and return to the original position, thereby cutter 3 will retract to the inside of storage groove 201, avoid cutter 3 and cause harm to the passenger.
[0028] The contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.
[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily implying any actual relationship or order between such entities or actions. The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement "includes one or more of a list of elements" does not preclude the existence of additional elements or steps.
[0030] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An anti-pinch sensing safety device for an elevator door comprising an elevator door I (1) and an elevator door II (2), characterized in that: The elevator door I (1) and the elevator door II (2) are symmetrically arranged, and a receiving groove (201) is arranged in one side of the elevator door II (2), the inner side wall of the receiving groove (201) is symmetrically provided with a limiting groove I (202), a pushing frame (203) is slidably connected in the limiting groove I (202), one end of the pushing frame (203) is provided with a pushing plate (205), the middle side surface of the pushing plate (205) is rotatably connected with the inner side wall of the receiving groove (201) through a rotating shaft, one end of the pushing plate (205) is slidably connected with the pushing frame (203) through a sliding groove I (2051), and the other end of the pushing plate (205) is slidably connected with a moving plate (301) through a sliding groove II (2052), one side surface of the moving plate (301) is fixedly connected with a cutter (3), one end of the cutter (3) is provided with a polishing mechanism, and the other side surface of the moving plate (301) is provided with a reset assembly.
2. An elevator door anti-pinch sensing safety device according to claim 1, wherein: The reset assembly comprises a reset spring (302), one end of the reset spring (302) is fixedly connected with the other side surface of the moving plate (301), and the other end of the reset spring (302) is fixedly connected with the inner wall of the receiving groove (201).
3. An elevator door anti-pinch sensing safety device according to claim 1, wherein: The polishing mechanism comprises symmetrically arranged grinding blocks (207), and the inner side surface of the grinding block (207) is provided with an inclined surface, the inclined surface and the cutting surface of the cutter (3) are matched with each other, the outer side surface of the grinding block (207) is fixedly connected with a limiting block (208), and the limiting block (208) is slidably connected with the inside of the elevator door II (2), the upper end of the grinding block (207) is provided with an adjusting mechanism.
4. An anti-pinch sensing safety device for an elevator door as defined in claim 3, wherein: The limiting block (208) is provided with a limiting groove II (2081) on the two end side surfaces, and the limiting groove II (2081) is fixedly connected with the elevator door II (2) through a sliding block.
5. An elevator door anti-pinch sensing safety device according to claim 3, wherein: The adjusting mechanism comprises a threaded cylinder (206), one end of the threaded cylinder (206) is rotatably connected with the inner side wall of the receiving groove (201), the other end of the threaded cylinder (206) is connected with a knob (204) penetrating through the elevator door II (2), a threaded groove is formed in the threaded cylinder (206), a driving column (2071) is inserted into the threaded groove, and the lower end of the driving column (2071) is fixedly connected with the upper end of the grinding block (207).
6. An elevator door anti-pinch sensing safety device according to claim 1, wherein: One side surface of the elevator door I (1) is fixedly connected with a cutting pad (101), and the outer side surface of the cutting pad (101) is provided with a cutting groove, the cutting groove is aligned with the cutter (3).