Cleaning device for elevator sill

By designing an elevator sill cleaning device with a movable wiping cotton and water spraying mechanism, the problems of poor cleaning effect and air pollution of existing devices are solved, and the effect of efficient cleaning of elevator sills is achieved.

CN224206743UActive Publication Date: 2026-05-08ANHUI PINXUAN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI PINXUAN INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-06-02
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing elevator sill cleaning devices tend to stir up dust when removing it through airflow, polluting the air environment, and are difficult to remove debris such as fruit pits and pebbles, resulting in poor cleaning performance.

Method used

A cleaning device including a moving mechanism and a wiping cotton was designed. The moving mechanism inserts the wiping cotton into the slide rail groove to push away dust and impurities, and the telescopic cylinder drives the wiping cotton to wipe the surface of the sill. Combined with a water spraying mechanism, the cleaning effect is improved.

Benefits of technology

It effectively removes dust and impurities from elevator sills, preventing dust from being stirred up. It is easy to operate and significantly improves cleaning results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of elevator cleaning equipment, and particularly relates to an elevator sill cleaning device which comprises a box body, a first fixing plate is fixed to the right side of the box body, a first telescopic air cylinder is fixed to the side wall of the first fixing plate, and a moving mechanism is fixed to the lower end of the first telescopic air cylinder. Symmetrical threaded rods are connected to the right end of the moving mechanism in a threaded mode, first mounting blocks are fixed to the lower ends of the two threaded rods correspondingly, and first wiping cotton is fixed to the side walls of the first mounting blocks through connecting mechanisms. Through relative movement, internal dust and foreign matters are pushed together and clamped and taken out, after a sill sliding rail groove is cleaned, the dust on the overall surface of the sill can be continuously wiped through second wiping cotton, the cleaning effect is higher, and operation is simpler.
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Description

Technical Field

[0001] This utility model relates to the field of elevator cleaning equipment technology, specifically a cleaning device for elevator sills. Background Technology

[0002] An elevator is a type of elevator that serves several specific floors within a building. An elevator sill is a grooved metal step that allows passengers to enter and exit the elevator car or landing door. To prevent dust from accumulating inside the elevator sill's track and affecting the normal movement of the elevator car door and landing door, cleaning devices are used to clean it.

[0003] However, existing cleaning devices still have the following technical problems when in use:

[0004] Existing cleaning devices often use airflow to remove dust, but this method can easily cause dust to be stirred up, polluting the air environment. Furthermore, when there are other debris such as fruit pits or pebbles inside the slide rail, the airflow has difficulty blowing them out, resulting in poor cleaning performance.

[0005] Therefore, a cleaning device for elevator sills is proposed to solve the aforementioned problems. Utility Model Content

[0006] The purpose of this invention is to provide a cleaning device for elevator sills to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cleaning device for elevator sills, comprising a housing, a first fixing plate fixed to the right side of the housing, a first telescopic cylinder fixed to the side wall of the first fixing plate, a moving mechanism fixed to the lower end of the first telescopic cylinder, symmetrical threaded rods threadedly connected to the right end of the moving mechanism, a first mounting block fixed to the lower end of each of the two threaded rods, and a first wiping cotton fixed to the side wall of the first mounting block through a connecting mechanism;

[0008] A second fixing plate is fixed on the left side of the box, a second telescopic cylinder is fixed on the side wall of the second fixing plate, a second mounting block is fixed at the lower end of the second telescopic cylinder, and a second wiping cotton is fixed to the outside of the second mounting block through a mounting mechanism.

[0009] A water tank is fixed inside the housing. An inlet pipe is fixed to the upper side of the water tank. The upper end of the inlet pipe passes through the upper side of the housing and extends to the upper end. A pump body is fixed to the left side of the water tank. An inlet pipe is fixed to the inlet end of the pump body. The other end of the inlet pipe extends into the interior of the water tank. A connecting hose is fixed to the outlet end of the pump body. A third telescopic cylinder is fixed to the lower end of the housing. A connecting plate is fixed to the left end of the third telescopic cylinder. Symmetrical fixing rings are fixed to the upper side of the connecting plate. Horizontal pipes are fixed inside the two fixing rings. Evenly arranged nozzles are fixed to the upper side of the horizontal pipes. The other end of the connecting hose is connected to the right end of the horizontal pipe. The connecting hose is slidably connected to the side wall of the housing.

[0010] Preferably, the moving mechanism includes a strip plate, which is fixedly connected to the lower end of the first telescopic cylinder. A housing is fixed to the rear side of the strip plate, and a motor is fixed inside the housing. A bidirectional lead screw is rotatably connected to the inside of the strip plate via a bearing. The right end of the bidirectional lead screw is fixedly connected to the output end of the motor. Symmetrical sliders are threadedly connected to the rod wall of the bidirectional lead screw. The left sides of both sliders are slidably connected to the inner wall of the strip plate. A strip-shaped opening is provided on the right side of the strip plate. A connecting rod is fixed to the right side of both sliders. Both connecting rods pass through the strip-shaped opening and extend to the outside. Both threaded rods are threadedly connected to the connecting rod.

[0011] Preferably, the connecting mechanism includes a first hook and loop fastener and a second hook and loop fastener. The first hook and loop fastener is fixedly connected to the outer wall of the first mounting block, and the second hook and loop fastener is fixedly connected to the inner wall of the first wiping cotton. The first wiping cotton is connected and fixed to the first mounting block through the first hook and loop fastener and the second hook and loop fastener.

[0012] Preferably, the installation mechanism includes two clamping plates, which are located on both sides of the second mounting block. The side walls of the two clamping plates are threaded with mounting bolts. The clamping plates are fixedly connected to the second mounting block by the mounting bolts, and the second wiping cotton is clamped and fixed between the clamping plates and the second mounting block.

[0013] Preferably, the lower side of the box is fixed with evenly arranged casters, and the left side of the box is fixed with symmetrical handles.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] When in use, this application can be moved into the slide rail groove of the sill by two first mounting blocks and a first wiping cotton. By moving relative to each other, the dust and foreign objects inside can be pushed together and clamped out. After cleaning the slide rail groove of the sill, the dust on the entire surface of the sill can be wiped by the second wiping cotton. The cleaning effect is higher and the operation is simpler. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0018] Figure 3 This is a structural diagram of the installation mechanism;

[0019] Figure 4 A schematic diagram of the structure of the first mounting block, the first wiping cotton, the first hook and loop fastener, and the second hook and loop fastener;

[0020] Figure 5 This is a schematic diagram of the moving mechanism;

[0021] Figure 6 for Figure 2 A magnified structural diagram of part A in the middle.

[0022] In the diagram: 1. Housing, 2. First fixing plate, 3. First telescopic cylinder, 4. Threaded rod, 5. First mounting block, 6. First wiping cotton, 7. Second fixing plate, 8. Second telescopic cylinder, 9. Second mounting block, 10. Second wiping cotton, 11. Water tank, 12. Water inlet pipe, 13. Pump body, 14. Liquid inlet pipe, 15. Connecting hose, 16. Third telescopic cylinder, 17. Connecting plate, 18. Fixing ring, 19. Horizontal pipe, 20. Nozzle, 21. Strip plate, 22. Chassis, 23. Motor, 24. Bidirectional lead screw, 25. Slider, 26. Connecting rod, 27. First Velcro, 28. Second Velcro, 29. Clamping plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Example:

[0026] Please see Figure 1-6 This utility model provides a technical solution:

[0027] A cleaning device for elevator sills includes a housing 1. A first fixing plate 2 is fixed to the right side of the housing 1. A first telescopic cylinder 3 is fixed to the side wall of the first fixing plate 2. A moving mechanism is fixed to the lower end of the first telescopic cylinder 3. Symmetrical threaded rods 4 are threadedly connected to the right end of the moving mechanism. A first mounting block 5 is fixed to the lower end of each of the two threaded rods 4. A first wiping cotton 6 is fixed to the side wall of the first mounting block 5 through a connecting mechanism. The width of the first mounting block 5 and the first wiping cotton 6 can be changed according to the width of the slide rail groove of the sill side wall. This operation is to treat the dust and hard impurities inside the slide rail groove of the sill side wall.

[0028] A second fixing plate 7 is fixed on the left side of the box 1. A second telescopic cylinder 8 is fixed on the side wall of the second fixing plate 7. A second mounting block 9 is fixed at the lower end of the second telescopic cylinder 8. A second wiping cotton 10 is fixed to the outside of the second mounting block 9 through the mounting mechanism. The dust on the surface of the sill can be directly treated by the second wiping cotton 10.

[0029] A water tank 11 is fixed inside the housing 1. An inlet pipe 12 is fixed to the upper side of the water tank 11, with its upper end penetrating the upper side of the housing 1 and extending to the top. A pump body 13 is fixed to the left side of the water tank 11. An inlet pipe 14 is fixed to the inlet end of the pump body 13, with the other end of the inlet pipe 14 extending into the water tank 11. A connecting hose 15 is fixed to the outlet end of the pump body 13. A third telescopic cylinder 16 is fixed to the lower end inside the housing 1. A connecting plate 17 is fixed to the left end of the third telescopic cylinder 16, and symmetrical... The fixing ring 18 has a horizontal tube 19 fixed inside it. The upper side of the horizontal tube 19 is fixed with evenly arranged nozzles 20. The other end of the connecting hose 15 is connected to the right end of the horizontal tube 19. The connecting hose 15 is slidably connected to the side wall of the box 1. Before wiping the dust off the sill with the second wiping cotton 10, the nozzles 20 can be moved to the lower end of the second wiping cotton 10 by the third telescopic cylinder 16. Water is sprayed onto the lower surface of the second wiping cotton 10 to wet it, which can increase the wiping effect.

[0030] The moving mechanism includes a strip plate 21, which is fixedly connected to the lower end of the first telescopic cylinder 3. A housing 22 is fixed to the rear side of the strip plate 21, and a motor 23 is fixed inside the housing 22. A bidirectional lead screw 24 is rotatably connected to the inside of the strip plate 21 via bearings. The right end of the bidirectional lead screw 24 is fixedly connected to the output end of the motor 23. Symmetrical sliders 25 are threaded onto the rod wall of the bidirectional lead screw 24. The left sides of both sliders 25 are slidably connected to the inner wall of the strip plate 21, and the right side of the strip plate 21 is opened... There is a slotted opening, and a connecting rod 26 is fixed to the right side of each of the two sliders 25. Both connecting rods 26 pass through the slotted opening and extend to the outside. Both threaded rods 4 are threadedly connected to the connecting rods 26. The motor 23 drives the bidirectional lead screw 24 at the output end to rotate. The bidirectional lead screw 24 drives the sliders 25 threaded on the rod wall to move closer together. The two sliders 25 drive the connecting rods 26, threaded rods 4, first mounting block 5 and first wiping cotton 6 on the side wall to wipe the dust inside the sill slide rail groove and push them together.

[0031] The connecting mechanism includes a first hook and loop fastener 27 and a second hook and loop fastener 28. The first hook and loop fastener 27 is fixedly connected to the outer wall of the first mounting block 5, and the second hook and loop fastener 28 is fixedly connected to the inner wall of the first wiping cotton 6. The first wiping cotton 6 is connected and fixed to the first mounting block 5 through the first hook and loop fastener 27 and the second hook and loop fastener 28. When the first wiping cotton 6 needs to be cleaned, it can be easily disassembled and replaced.

[0032] The mounting mechanism includes two clamping plates 29, which are located on both sides of the second mounting block 9. The side walls of the two clamping plates 29 are threaded with mounting bolts. The clamping plates 29 are fixedly connected to the second mounting block 9 by the mounting bolts. The second wiping cotton 10 is clamped and fixed between the clamping plates 29 and the second mounting block 9. When the second wiping cotton 10 needs to be cleaned, the clamping action of the mounting mechanism on the second wiping cotton 10 can be released, and the second wiping cotton 10 can be quickly disassembled and replaced.

[0033] The lower side of the box 1 is fixed with evenly arranged casters, and the left side of the box 1 is fixed with symmetrical handles.

[0034] Working principle:

[0035] In use, push the device to the side of the sill, and replace the corresponding first mounting block 5 and first wiping cotton 6 according to the width of the slide rail groove on the side wall of the sill. Move the two first mounting blocks 5 through the moving mechanism so that the distance between the two first mounting blocks 5 is just suitable for the width of the sill. Move the two first mounting blocks 5 and the first wiping cotton 6 into the inside of the slide rail groove through the first telescopic cylinder 3. Move the two first wiping cotton 6 and the first mounting blocks 5 closer together through the operation of the moving mechanism to push the dust and harder impurities inside together. By retracting the first telescopic cylinder 3, it is clamped and moved to the outside of the slide rail groove.

[0036] After the slide rail groove is processed, the pump body 13 is started, and the water inside the water tank 11 is sprayed out through the water inlet pipe 12, connecting hose 15, horizontal pipe 19 and nozzle 20. The water is sprayed to the lower end of the second wiping cotton 10 by extending the third telescopic cylinder 16. The second telescopic cylinder 8 is started, and the second telescopic cylinder 8 drives the lower end of the second wiping cotton 10 to contact the surface of the sill. By pushing the device, the dust on the surface of the sill is wiped.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be considered as limiting the scope of the claims.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cleaning device for elevator sills, comprising a housing (1), characterized in that, A first fixing plate (2) is fixed on the right side of the box (1). A first telescopic cylinder (3) is fixed on the side wall of the first fixing plate (2). A moving mechanism is fixed at the lower end of the first telescopic cylinder (3). A symmetrical threaded rod (4) is threaded to the right end of the moving mechanism. A first mounting block (5) is fixed at the lower end of both threaded rods (4). A first wiping cotton (6) is fixed to the side wall of the first mounting block (5) through a connecting mechanism. A second fixing plate (7) is fixed on the left side of the box (1), a second telescopic cylinder (8) is fixed on the side wall of the second fixing plate (7), a second mounting block (9) is fixed at the lower end of the second telescopic cylinder (8), and a second wiping cotton (10) is fixed on the outside of the second mounting block (9) through the mounting mechanism. A water tank (11) is fixed inside the housing (1). An inlet pipe (12) is fixed to the upper side of the water tank (11). The upper end of the inlet pipe (12) passes through the upper side of the housing (1) and extends to the upper end. A pump body (13) is fixed to the left side of the water tank (11). An inlet pipe (14) is fixed to the inlet end of the pump body (13). The other end of the inlet pipe (14) extends into the interior of the water tank (11). A connecting hose (15) is fixed to the outlet end of the pump body (13). The housing (1) A third telescopic cylinder (16) is fixed at the lower end of the interior. A connecting plate (17) is fixed at the left end of the third telescopic cylinder (16). A symmetrical fixing ring (18) is fixed on the upper side of the connecting plate (17). A horizontal pipe (19) is fixed inside the two fixing rings (18). A nozzle (20) is evenly arranged on the upper side of the horizontal pipe (19). The other end of the connecting hose (15) is connected to the right end of the horizontal pipe (19). The connecting hose (15) is slidably connected to the side wall of the box (1).

2. The cleaning device for elevator sills according to claim 1, characterized in that: The moving mechanism includes a strip plate (21), which is fixedly connected to the lower end of the first telescopic cylinder (3). A housing (22) is fixed to the rear side of the strip plate (21). A motor (23) is fixed inside the housing (22). A bidirectional lead screw (24) is rotatably connected to the inside of the strip plate (21) through a bearing. The right end of the bidirectional lead screw (24) is fixedly connected to the output end of the motor (23). Symmetrical sliders (25) are threadedly connected to the rod wall of the bidirectional lead screw (24). The left sides of the two sliders (25) are slidably connected to the inner wall of the strip plate (21). A strip-shaped opening is opened on the right side of the strip plate (21). A connecting rod (26) is fixed to the right side of the two sliders (25). The two connecting rods (26) pass through the strip-shaped opening and extend to the outside. The two threaded rods (4) are threadedly connected to the connecting rods (26).

3. The cleaning device for elevator sills according to claim 1, characterized in that: The connecting mechanism includes a first hook and loop fastener (27) and a second hook and loop fastener (28). The first hook and loop fastener (27) is fixedly connected to the outer wall of the first mounting block (5), and the second hook and loop fastener (28) is fixedly connected to the inner wall of the first wiping cotton (6). The first wiping cotton (6) is connected and fixed to the first mounting block (5) through the first hook and loop fastener (27) and the second hook and loop fastener (28).

4. The cleaning device for an elevator sill according to claim 1, characterized in that: The installation mechanism includes two clamping plates (29), which are located on both sides of the second mounting block (9). The side walls of the two clamping plates (29) are threaded with mounting bolts. The clamping plates (29) are fixedly connected to the second mounting block (9) by the mounting bolts. The second wiping cotton (10) is clamped and fixed between the clamping plates (29) and the second mounting block (9).

5. A cleaning device for elevator sills according to claim 1, characterized in that: The lower side of the box (1) is fixed with evenly arranged casters, and the left side of the box (1) is fixed with symmetrical handles.