Household elevator door anti-pinch device
By introducing buffer structure and cleaning structure into the anti-clip device of the household elevator door, the problems of clamping caused by damage when the elevator door clamps and closing too quickly are solved, and safer elevator door operation and reduce the impact of debris. Effect.
Patent Information
- Application Number
- CN202421007601.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-10
AI Technical Summary
Existing household elevator door anti-clip devices may cause damage when clamping foreign objects, and the elevator door closes too quickly and may cause clamping to objects or passengers before bounces open.
A household elevator door anti-clip device including a buffer structure and a cleaning structure is designed. The buffer structure is buffered when the elevator door is closed by the airbag and piston to avoid hard contact; the cleaning structure removes debris through elastic telescopic rods and scrapers to prevent Debris affects the elevator door to close normally.
It effectively reduces the damage to the clamps by the elevator door, avoids clamping due to inertia, and prevents chute wear and shaking of the elevator door caused by debris.
Smart Images
Figure CN222204450U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household elevators, in particular to an anti-pinch device for household elevator doors. Background Art
[0002] The home elevator door anti-pinch device is a safety protection device used to prevent the elevator door from pinching passengers or objects during the closing process, thereby causing injury or damage. It can effectively improve the safety of home elevators and reduce the occurrence of pinching incidents.
[0003] For example, a Chinese patent with publication number CN219689073U discloses a household elevator door anti-pinch device, including a U-shaped mounting frame, an infrared sensor strip is fixedly installed on the inner top wall of the U-shaped mounting frame, a mounting plate is fixedly connected to the back of the U-shaped mounting frame, a slide groove is provided on the bottom surface of the mounting plate, and two sets of sliders are slidably connected to the inner wall of the slide groove. The device is provided with an infrared sensor strip, and the infrared sensor strip can be used to detect pedestrians and other objects passing by. In addition, the device is combined with a rotating motor and a positive and negative threaded rod, and the rotation of the rotating motor can drive the rotation of the positive and negative threaded rod, and the positive and negative threaded rod is threadedly connected with the threaded hole. At the same time, the rotation of the positive and negative threaded rod can drive the slider and the safety door to separate to both sides. According to the above operation, the above-mentioned problem that the elevator door may clamp the passengers who are leaving the elevator can be solved. Only after the elevator door clamps the passengers will it open again, which may cause safety accidents in serious cases.
[0004] The existing technology has the following problems:
[0005] In actual use, although the elevator door body will automatically bounce open when it clamps foreign objects, the elevator door itself is relatively hard and will still cause certain damage to the object when it clamps foreign objects. At the same time, some elevator doors close too quickly and under the action of inertia, they may cause injuries to objects before the elevator door body bounces open. Utility Model Content
[0006] The utility model provides a household elevator door anti-pinch device to solve the problems raised in the above background technology.
[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0008] A household elevator door anti-pinch device comprises a frame, wherein the left and right positions inside the frame are both slidably connected with elevator door bodies, buffer structures are fixedly installed on the opposite surfaces of the two elevator door bodies, and a cleaning structure is fixedly installed on the bottom of the frame.
[0009] Preferably, the buffer structure includes two slide grooves, and the two slide grooves are respectively opened at the top and bottom ends inside the frame, and sliders are fixedly connected at positions far away from the top and bottom ends of the two elevator door bodies, and the outer walls of the sliders located at the upper and lower positions are slidably connected to the inner walls of the slide grooves located at the upper and lower positions, respectively, and rectangular grooves are opened on the opposite surfaces of the two elevator door bodies, and airbags are fixedly connected inside the two rectangular grooves.
[0010] Preferably, a cavity is provided inside the two elevator door bodies, and pistons are slidably connected inside the two cavities. Air pipes are fixedly connected to the bottom of the elevator door body on the left and the top of the elevator door body on the right. The top of the air pipe on the left extends to the bottom of the left cavity, the right end of the air pipe on the left is fixedly connected to the left side of the airbag on the left, the bottom end of the air pipe on the right extends to the top of the right cavity, and the left end of the air pipe on the right is fixedly connected to the right side of the airbag on the right.
[0011] Preferably, the bottom end of the piston on the left and the top end of the piston on the right are both fixedly connected with fixing plugs, and the outer walls of the two fixing plugs are respectively plugged into the inner walls of the two air pipes.
[0012] Preferably, the top end of the piston on the left and the bottom end of the piston on the right are both fixedly connected with a traction rope, the right position of the inner cavity of the upper slide groove and the left position of the inner cavity of the lower slide groove are both fixedly connected with a fixing rod, the top end of the traction rope on the left is fixedly connected to the outer wall of the fixing rod on the top, the bottom end of the traction rope on the right is fixedly connected to the outer wall of the fixing rod on the bottom, the top end of the cavity on the left and the bottom end of the cavity on the right are both fixedly connected with a spring, the top end of the spring on the right is fixedly connected to the bottom end of the piston on the right, the bottom end of the spring on the left is fixedly connected to the top end of the piston on the left, the two springs are respectively located on the outside of the outer walls of the left and right traction ropes near the ends of the piston, and the middle part of the top end of the elevator door body on the left and the middle part of the bottom end of the elevator door body on the right are both fixedly connected with rollers, and the middle parts of the two rollers are overlapped with the outer walls of the two traction ropes respectively.
[0013] Preferably, the cleaning structure includes a top plate, which is fixedly connected to the middle part of the bottom of the frame, and elastic telescopic rods are fixedly connected to the left side of the top of the top plate and the right side of the bottom, and the output ends of the two elastic telescopic rods are fixedly connected to rectangular plates.
[0014] Preferably, a slide rail is fixedly connected to the middle position of the top end of the top plate, and a scraper is slidably connected to the outer wall of the slide rail.
[0015] Preferably, a storage frame is fixedly connected to the front position of the top of the bottom end of the frame, a pedal is fixedly connected to the middle of the top of the scraper, and the bottom of the pedal is snap-fitted to the middle of the top of the storage frame.
[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0017] 1. The utility model provides an anti-pinch device for household elevator doors. Through the effect of the buffer structure, buffering can be performed between two elevator door bodies, thereby further reducing the damage of the elevator door bodies to the clamped objects. At the same time, it can prevent the elevator door from clamping too much due to inertia, thereby preventing fingers from being pinched before the elevator door body has time to bounce open.
[0018] 2. The utility model provides an anti-pinch device for household elevator doors. Through the function of the cleaning structure, it can prevent debris from falling into the slide rail, thereby affecting the normal closing of the elevator door body. At the same time, it can prevent the debris from rubbing against the inner wall of the slide groove, thereby causing the slide groove to wear, so that the elevator door body shakes during the sliding process. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the fixing rod structure of the utility model;
[0021] Figure 3 It is a schematic diagram of the spring structure of the utility model;
[0022] Figure 4 This is a schematic diagram of the pedal structure of the utility model;
[0023] Figure 5 It is a schematic diagram of the slide rail structure of the utility model.
[0024] In the figure: 1. frame; 2. elevator door body; 3. buffer structure; 31. slide groove; 32. slider; 33. rectangular groove; 34. airbag; 35. cavity; 36. piston; 37. fixing plug; 38. air pipe; 39. traction rope; 310. roller; 311. fixing rod; 312. spring; 4. cleaning structure; 41. top plate; 42. elastic telescopic rod; 43. rectangular plate; 44. slide rail; 45. scraper; 46. pedal; 47. storage frame. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] like Figure 1 As shown, a household elevator door anti-pinch device includes a frame 1, the left and right positions inside the frame 1 are slidably connected with elevator door bodies 2, the opposite surfaces of the two elevator door bodies 2 are fixedly installed with buffer structures 3, and the bottom of the frame 1 is fixedly installed with a cleaning structure 4.
[0027] By providing the buffer structure 3, buffering can be performed between the two elevator door bodies 2, thereby further protecting the clamped object.
[0028] like Figure 2 and Figure 3 As shown, the buffer structure 3 includes two slide grooves 31, and the two slide grooves 31 are respectively opened at the top and bottom ends inside the frame 1, and sliders 32 are fixedly connected to the positions far away from the top and bottom ends of the two elevator door bodies 2. The outer walls of the sliders 32 at the upper and lower positions are respectively slidably connected to the inner walls of the slide grooves 31 at the upper and lower positions, and rectangular grooves 33 are opened on the opposite surfaces of the two elevator door bodies 2, and air bags 34 are fixedly connected to the insides of the two rectangular grooves 33.
[0029] By providing the airbag 34, when the two elevator door bodies 2 are closed to each other, protection can be provided between the two elevator door bodies 2 to avoid hard contact between the elevator door bodies 2 and the clamped object.
[0030] like Figure 3 As shown, a cavity 35 is provided inside the two elevator door bodies 2, and a piston 36 is slidably connected inside the two cavities 35. An air pipe 38 is fixedly connected to the bottom of the left elevator door body 2 and the top of the right elevator door body 2. The top of the air pipe 38 on the left extends to the bottom of the left cavity 35, the right end of the air pipe 38 on the left is fixedly connected to the left side of the airbag 34 on the left, the bottom end of the air pipe 38 on the right extends to the top of the right cavity 35, and the left end of the air pipe 38 on the right is fixedly connected to the right side of the airbag 34 on the right.
[0031] By setting the piston 36, the airbag 34 can be inflated or evacuated, so that the airbag 34 can play an anti-pinch effect when the elevator door body 2 is closed. When the elevator door body 2 is opened, the airbag 34 can be retracted inside the rectangular groove 33.
[0032] like Figure 3 As shown, the bottom end of the left piston 36 and the top end of the right piston 36 are both fixedly connected with fixed plugs 37 , and the outer walls of the two fixed plugs 37 are respectively plugged into the inner walls of the two air pipes 38 .
[0033] By providing the fixing plug 37 , the sealing property of the airbag 34 can be further improved, thereby preventing the airbag 34 from leaking when a foreign object is clamped.
[0034] like Figure 3 As shown, the top end of the piston 36 on the left and the bottom end of the piston 36 on the right are both fixedly connected with a traction rope 39, the right position of the inner cavity of the upper slide groove 31 and the left position of the inner cavity of the lower slide groove 31 are both fixedly connected with a fixing rod 311, the top end of the traction rope 39 on the left is fixedly connected to the outer wall of the upper fixing rod 311, the bottom end of the traction rope 39 on the right is fixedly connected to the outer wall of the lower fixing rod 311, the top end of the cavity 35 on the left and the bottom end of the cavity 35 on the right are both fixed A connecting spring 312 is provided, wherein the top end of the spring 312 on the right side is fixedly connected to the bottom end of the piston 36 on the right side, and the bottom end of the spring 312 on the left side is fixedly connected to the top end of the piston 36 on the left side. The two springs 312 are respectively located outside the outer walls of the left and right traction ropes 39 near the ends of the piston 36. The middle part of the top end of the left elevator door body 2 and the middle part of the bottom end of the right elevator door body 2 are fixedly connected with rollers 310, and the middle parts of the two rollers 310 overlap the outer walls of the two traction ropes 39 respectively.
[0035] By providing the traction rope 39, the piston 36 can be pulled to slide when the elevator door body 2 is opened, and the spring 312 can assist the piston 36 to reset.
[0036] like Figure 4 and Figure 5 As shown, the cleaning structure 4 includes a top plate 41, which is fixedly connected to the middle of the bottom of the frame 1, and elastic telescopic rods 42 are fixedly connected to the left side of the top and the right side of the bottom of the top plate 41, and the output ends of the two elastic telescopic rods 42 are fixedly connected to rectangular plates 43.
[0037] By providing the top plate 41 and the rectangular plate 43 , it is possible to prevent debris from falling into the lower chute 31 , thereby preventing the normal opening and closing of the elevator door body 2 from being affected.
[0038] like Figure 5 As shown, a slide rail 44 is fixedly connected to the middle position of the top of the top plate 41 , and a scraper 45 is slidably connected to the outer wall of the slide rail 44 .
[0039] By providing the scraper 45 , the debris dropped on the top plate 41 can be cleared away, thereby preventing the debris from affecting the normal closing of the two elevator door bodies 2 .
[0040] like Figure 5 As shown, a storage frame 47 is fixedly connected to the front position of the top of the bottom end of the frame 1, a pedal 46 is fixedly connected to the middle of the top of the scraper 45, and the bottom of the pedal 46 is clamped with the middle of the top of the storage frame 47.
[0041] By providing the storage frame 47 , the scraper 45 can be stored, thereby playing a certain protective role, and the pedal 46 can operate the scraper 45 more conveniently.
[0042] The working principle of the utility model is as follows: when in use, the frame 1 is first installed at the corresponding floor of the building elevator shaft. During the closing process of the elevator door body 2, the piston 36 slides under the pushing action of the spring 312, and then gradually pushes the air inside the cavity 35 into the airbag 34, thereby realizing the inflation of the airbag 34. When a foreign object appears in the middle of the elevator door body 2, the two airbags 34 first contact the foreign object. Under the buffering action of the airbag 34, the elevator door body 2 is stressed and slides in opposite directions on both sides, thereby realizing the anti-pinch effect. When the two elevator door bodies 2 are opened, under the action of the elastic telescopic rod 42, the two rectangular plates 43 pop out, and then prevent the foreign object from falling into the lower internal slide groove 31 on the surface of the lower slide groove 31. When there is debris on the top plate 41, the pedal 46 can be stepped on to slide the scraper 45 to scrape off the debris.
[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A household elevator door anti-pinch device, comprising a frame (1), characterized in that: The left and right positions inside the frame (1) are both slidably connected with elevator door bodies (2), the opposite surfaces of the two elevator door bodies (2) are fixedly installed with buffer structures (3), and the bottom of the frame (1) is fixedly installed with a cleaning structure (4); The buffer structure (3) comprises two slide grooves (31), the two slide grooves (31) are respectively opened at the top and bottom ends inside the frame (1), the top and bottom ends of the two elevator door bodies (2) are both fixedly connected with sliders (32), the outer walls of the sliders (32) at the upper and lower positions are respectively slidably connected with the inner walls of the slide grooves (31) at the upper and lower positions, the opposite surfaces of the two elevator door bodies (2) are each opened with a rectangular groove (33), and the insides of the two rectangular grooves (33) are both fixedly connected with air bags (34).
2. A household elevator door anti-pinch device according to claim 1, characterized in that: A cavity (35) is provided inside the two elevator door bodies (2), and a piston (36) is slidably connected inside the two cavities (35). An air pipe (38) is fixedly connected to the bottom of the left elevator door body (2) and the top of the right elevator door body (2). The top of the air pipe (38) on the left extends to the bottom of the left cavity (35), the right end of the air pipe (38) on the left is fixedly connected to the left side of the air bag (34) on the left, the bottom end of the air pipe (38) on the right extends to the top of the right cavity (35), and the left end of the air pipe (38) on the right is fixedly connected to the right side of the air bag (34) on the right.
3. A household elevator door anti-pinch device according to claim 2, characterized in that: The bottom end of the piston (36) on the left side and the top end of the piston (36) on the right side are both fixedly connected with fixed plugs (37), and the outer walls of the two fixed plugs (37) are respectively plugged into the inner walls of the two air pipes (38).
4. A household elevator door anti-pinch device according to claim 2, characterized in that: The top end of the piston (36) on the left side and the bottom end of the piston (36) on the right side are both fixedly connected with a traction rope (39); the right position of the inner cavity of the upper slide groove (31) and the left position of the inner cavity of the lower slide groove (31) are both fixedly connected with a fixing rod (311); the top end of the traction rope (39) on the left side is fixedly connected to the outer wall of the upper fixing rod (311); the bottom end of the traction rope (39) on the right side is fixedly connected to the outer wall of the lower fixing rod (311); the top end of the cavity (35) on the left side and the bottom end of the cavity (35) on the right side are both fixedly connected A spring (312) is connected to the right side of the elevator door body (2). The top end of the spring (312) is fixedly connected to the bottom end of the piston (36) on the right side, and the bottom end of the spring (312) is fixedly connected to the top end of the piston (36) on the left side. The two springs (312) are respectively located outside the outer walls of the left and right traction ropes (39) near the ends of the pistons (36). The middle part of the top end of the elevator door body (2) on the left side and the middle part of the bottom end of the elevator door body (2) on the right side are fixedly connected with rollers (310). The middle parts of the two rollers (310) are respectively overlapped with the outer walls of the two traction ropes (39).
5. A household elevator door anti-pinch device according to claim 1, characterized in that: The cleaning structure (4) comprises a top plate (41), the top plate (41) being fixedly connected to the middle of the bottom of the frame (1), the left side of the top of the top plate (41) and the right side of the bottom being fixedly connected to elastic telescopic rods (42), and the output ends of the two elastic telescopic rods (42) being fixedly connected to rectangular plates (43).
6. A household elevator door anti-pinch device according to claim 5, characterized in that: A slide rail (44) is fixedly connected to the middle position of the top end of the top plate (41), and a scraper (45) is slidably connected to the outer wall of the slide rail (44).
7. A household elevator door anti-pinch device according to claim 6, characterized in that: A storage frame (47) is fixedly connected to the front position of the top of the bottom end of the frame (1), a pedal (46) is fixedly connected to the middle of the top end of the scraper (45), and the bottom of the pedal (46) is clamped with the middle of the top of the storage frame (47).