Cleaning equipment for escalator handrail

Abstract

The utility model relates to the technical field of cleaning equipment, in particular to cleaning equipment for an escalator handrail, which comprises an escalator body, a cleaning box is arranged on the escalator body, a fixing frame is arranged on one side, close to the handrail, of the cleaning box, a fixed clamping plate is arranged at the bottom of the fixing frame, and a sliding clamping structure is arranged in the cleaning box. The cleaning box is provided with a clamping wheel through a sliding clamping structure; the cleaning box is provided with a cleaning liquid cavity and a disinfectant cavity, liquid suction and discharge assemblies are arranged in the cleaning liquid cavity and the disinfectant cavity, and the cleaning box is provided with a mounting plate through the liquid suction and discharge assemblies. Through the design of the sliding clamping structure and the clamping wheels, the equipment can be stably clamped on the handrail, and the problem that the equipment falls off due to vibration or external force in a traditional suction cup adsorption mode is solved. And meanwhile, due to the arrangement of the clamping wheels, the equipment can adapt to handrails with different widths and shapes, and the application range is remarkably expanded.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a cleaning device for escalator handrails. Background Technology

[0002] An escalator is an electrically powered transportation device used to move people between floors, typically consisting of steps and handrails. The handrails are the moving parts on either side of the escalator, providing support for passengers to maintain balance and safety. Handrails require regular cleaning because their surfaces easily accumulate dust, bacteria, and grime; frequent contact can spread germs, affecting hygiene and health. Cleaning handrails not only improves the user experience but also reduces the risk of disease transmission and ensures public safety.

[0003] Existing escalator handrail cleaning equipment, such as the cleaning device for escalator handrail belts disclosed in CN222181498U, uses a swing arm and suction cups to fix the device to both sides of the escalator. It is quicker to disassemble and more convenient to use. However, the suction cups have poor adhesion stability. Especially during the operation of the escalator, the device may fall off due to vibration or external force, affecting the cleaning effect and potentially causing safety hazards. Some escalators are set against the wall, making it impossible to attach the device to one side, which limits the applicability of the device. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing suction cups, which have poor stability, especially during escalator operation, where the equipment may fall off due to vibration or external force, affecting the cleaning effect and potentially causing safety hazards; and the fact that some escalators are set against walls, making it impossible to fix the suction cups on one side, thus limiting the applicability of the equipment. Therefore, this invention proposes a cleaning device for escalator handrails.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A cleaning device for escalator handrails includes an escalator body, a cleaning box on the escalator body, a fixing frame on the side of the cleaning box near the handrail, a fixing clamping plate at the bottom of the fixing frame, a sliding clamping structure inside the cleaning box, and clamping wheels in the cleaning box via the sliding clamping structure.

[0007] The cleaning box has a cleaning liquid chamber and a disinfectant liquid chamber. Both the cleaning liquid chamber and the disinfectant liquid chamber are equipped with liquid suction and discharge components. The cleaning box is equipped with a mounting plate through the liquid suction and discharge components.

[0008] Preferably, the sliding clamping structure includes a mounting cavity, an electric push rod, a limiting groove, and a push plate. The mounting cavity is disposed inside the cleaning box, the electric push rod is fixedly disposed in the mounting cavity, the limiting groove is disposed at the bottom of the fixing frame, and the push plate is fixedly installed on the telescopic rod of the electric push rod.

[0009] Preferably, the limiting groove is arranged in an inverted convex shape, the top of the push plate is slidably connected to the inner wall of the limiting groove, and the clamping wheel is rotatably arranged on the side of the push plate near the handrail.

[0010] Preferably, the liquid suction and discharge assembly includes a water pump, an infusion tube, a port, and a cleaning port. The water pump is respectively disposed in the cleaning liquid chamber and the disinfectant liquid chamber. The infusion tube is disposed on the water pump. The port is disposed on the cleaning box and communicates with the fixing frame. The cleaning port is disposed at the bottom of the fixing frame.

[0011] Preferably, the infusion tube passes through the port and is connected to the top of the mounting plate, the mounting plate is installed above the cleaning port by bolts, and the bottom of the mounting plate is provided with cleaning cotton by Velcro.

[0012] Preferably, the fixed clamping plate is also provided with a clamping wheel on the side near the handrail, and a circular groove is opened in the clamping wheel on the side near the cleaning box. A spring is fixedly installed in the circular groove, and a shock-absorbing block is slidably installed in the circular groove.

[0013] Preferably, the bottom of the cleaning box is provided with a pair of suction cups, which are used to fix the cleaning box to the escalator body.

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

[0015] 1. In use, this utility model, through the design of the sliding clamping structure and clamping wheels, allows the device to be firmly clamped to the handrail, avoiding the problem of traditional suction cup adsorption methods that may fall off due to vibration or external force. At the same time, the clamping wheels allow the device to adapt to handrails of different widths and shapes, especially solving the problem of not being able to fix the cleaning device on wall-mounted escalators, significantly expanding its scope of application.

[0016] 2. When in use, this utility model has a cleaning liquid chamber and a disinfection liquid chamber in the cleaning box, and is equipped with a liquid suction and discharge component, which can perform cleaning and disinfection operations simultaneously, ensuring that dirt and bacteria on the handrail surface are thoroughly removed, thus improving public health and safety. With the cooperation of the electric push rod and the liquid suction and discharge component, the equipment can realize automated cleaning operations, reduce manual intervention, improve cleaning efficiency, and reduce the labor intensity of operators. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the cleaning equipment for escalator handrails proposed in this utility model after installation;

[0018] Figure 2 This is a three-dimensional structural diagram of a cleaning device for escalator handrails proposed in this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the cleaning device for escalator handrails proposed in this utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the bottom of a cleaning device for escalator handrails proposed in this utility model;

[0021] Figure 5 This is a three-dimensional structural diagram of a sliding clamping structure for a cleaning device for escalator handrails proposed in this utility model;

[0022] Figure 6 This is an enlarged view of section A of the structure of a cleaning device for escalator handrails proposed in this utility model.

[0023] In the diagram: 1. Escalator body; 2. Cleaning box; 3. Fixing frame; 4. Fixing clamping plate; 5. Sliding clamping structure; 6. Clamping wheel; 61. Circular groove; 62. Spring; 63. Shock absorber; 7. Cleaning liquid chamber; 8. Disinfectant liquid chamber; 9. Liquid suction and discharge assembly; 10. Mounting plate; 11. Suction cup; 12. Mounting cavity; 13. Electric push rod; 14. Limiting groove; 15. Push plate; 16. Water pump; 17. Infusion tube; 18. Opening; 19. Cleaning port; 20. Cleaning cotton. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-6 A cleaning device for escalator handrails includes an escalator body 1. This device is generally installed on the lower horizontal section of the escalator body 1 and is not applicable to transparent escalators.

[0026] A cleaning box 2 is provided on the escalator body 1. A fixing frame 3 is provided on the side of the cleaning box 2 near the handrail. A fixing clamping plate 4 is provided at the bottom of the fixing frame 3. A sliding clamping structure 5 is provided inside the cleaning box 2. The sliding clamping structure 5 includes a mounting cavity 12, an electric push rod 13, a limiting groove 14, and a push plate 15. The mounting cavity 12 is provided inside the cleaning box 2. The electric push rod 13 is fixedly installed in the mounting cavity 12. The limiting groove 14 is provided at the bottom of the fixing frame 3. The push plate 15 is fixedly installed on the telescopic rod of the electric push rod 13. The cleaning box 2 is provided with clamping wheels 6 through the sliding clamping structure 5.

[0027] The cleaning box 2 has a cleaning liquid chamber 7 and a disinfectant liquid chamber 8. The cleaning liquid chamber 7 contains a neutral detergent that is non-corrosive to handrails made of rubber or synthetic materials and can effectively remove stains and fingerprints. The disinfectant liquid chamber 8 contains medical alcohol solution, which can kill most bacteria, viruses and microorganisms on the surface of the handrail.

[0028] Both the cleaning liquid chamber 7 and the disinfectant liquid chamber 8 are equipped with a liquid suction and discharge assembly 9. The liquid suction and discharge assembly 9 includes a water pump 16, an infusion tube 17, a port 18, and a cleaning port 19. The water pump 16 is installed in both the cleaning liquid chamber 7 and the disinfectant liquid chamber 8. The infusion tube 17 is installed on the water pump 16. The port 18 is installed on the cleaning box 2 and communicates with the fixing frame 3. The cleaning port 19 is installed at the bottom of the fixing frame 3. The cleaning box 2 is equipped with a mounting plate 10 through the liquid suction and discharge assembly 9.

[0029] It should be noted that the escalator body 1, electric push rod 13 and water pump 16 are existing technologies. The specific model and specifications to be used need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be elaborated. All of them can be powered by external equipment and controlled to open and close.

[0030] Furthermore, the limiting groove 14 is arranged in an inverted U-shape, the top of the push plate 15 is slidably connected to the inner wall of the limiting groove 14, the clamping wheel 6 is rotatably arranged on the side of the push plate 15 near the handrail, the push plate 15 does not contact the handrail, the clamping wheel 6 is arranged below the handrail belt, and the outermost ring of the clamping wheel 6 can rotate to reduce the wear of the handrail on the clamping wheel 6.

[0031] Furthermore, the infusion tube 17 passes through the port 18 and is connected to the top of the mounting plate 10. The mounting plate 10 is installed above the cleaning port 19 by bolts. The bottom of the mounting plate 10 is provided with a cleaning cotton 20 by Velcro. The cleaning cotton 20 is installed by Velcro, which facilitates replacement and maintenance and reduces the cost of use.

[0032] Furthermore, a clamping wheel 6 is also provided on the side of the fixed clamping plate 4 near the handrail. A circular groove 61 is opened in the clamping wheel 6 near the cleaning box 2. A spring 62 is fixedly installed in the circular groove 61. A shock-absorbing block 63 is slidably installed in the circular groove 61. One end of the spring 62 is fixedly connected to the circular groove 61, and the other end of the spring 62 is fixedly connected to the shock-absorbing block 63. The spring 62 and the shock-absorbing block 63 installed in the clamping wheel 6 can effectively absorb the vibration of the escalator during operation, ensuring that the equipment remains stable during the cleaning process, avoiding the impact of vibration on the cleaning effect or damage to the equipment, and further improving the reliability and safety of the equipment.

[0033] Furthermore, a pair of suction cups 11 are provided at the bottom of the cleaning box 2. The suction cups 11 are used to fix the cleaning box 2 to the escalator body 1. The suction cups 11 at the bottom of the cleaning box 2 can provide auxiliary fixation in escalator scenarios, further enhancing the stability and applicability of the equipment, enabling it to flexibly cope with different installation environments.

[0034] Working principle:

[0035] First, the device is securely fixed to the lower horizontal section of the escalator via suction cups 11 at the bottom of the cleaning box 2 and clamping wheels 6 on the fixed clamping plate 4. Upon startup, the electric push rod 13 pushes the push plate 15, causing the clamping wheels 6 to press firmly against the underside of the handrail, ensuring stability during escalator operation. Water pumps 16 in the cleaning liquid chamber 7 and disinfectant chamber 8 respectively deliver neutral detergent and medical alcohol to the cleaning port 19 via infusion tubes 17. The cleaning cotton 20 absorbs the cleaning and disinfectant solutions to clean and disinfect the handrail. The design of the clamping wheels 6 reduces friction between the handrail and the device, while the shock absorber 63 and spring 62 effectively absorb vibrations during escalator operation, ensuring a smooth and reliable cleaning process.

[0036] Secondly, the device, through the cooperation of the sliding clamping structure 5 and the clamping wheels 6, can adapt to handrails of different widths and shapes, especially solving the problem of unstable adhesion of traditional suction cups 11. The cleaning cotton 20 is installed with Velcro, making it easy to replace and maintain, reducing operating costs. The overall structure of the device is compact and easy to install, suitable for various escalator environments. Through automated cleaning and disinfection functions, the device can efficiently remove stains and bacteria from the handrail surface, improving public health and safety, while reducing manual intervention and increasing cleaning efficiency.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A cleaning device for an escalator handrail, comprising an escalator body (1), characterized in that, The escalator body (1) is provided with a cleaning box (2), a fixed frame (3) is arranged on one side of the cleaning box (2) close to the handrail, a fixed clamping plate (4) is arranged at the bottom of the fixed frame (3), a sliding clamping structure (5) is arranged in the cleaning box (2), and the cleaning box (2) is provided with a clamping wheel (6) through the sliding clamping structure (5). The cleaning box (2) is provided with a cleaning liquid cavity (7) and a disinfectant liquid cavity (8), and a liquid suction and discharge assembly (9) is arranged in the cleaning liquid cavity (7) and the disinfectant liquid cavity (8), and the cleaning box (2) is provided with a mounting plate (10) through the liquid suction and discharge assembly (9).

2. A cleaning device for an escalator handrail according to claim 1, characterized in that The sliding clamping structure (5) comprises a mounting cavity (12), an electric push rod (13), a limiting groove (14) and a push plate (15), the mounting cavity (12) is arranged in the cleaning box (2), the electric push rod (13) is fixedly arranged in the mounting cavity (12), the limiting groove (14) is arranged at the bottom of the fixed frame (3), and the push plate (15) is fixedly installed on the telescopic rod of the electric push rod (13).

3. A cleaning device for an escalator handrail according to claim 2, characterized in that The limiting groove (14) is arranged in an inverted convex character shape, the top of the push plate (15) is in sliding connection with the inner wall of the limiting groove (14), and the clamping wheel (6) is rotatably arranged on one side of the push plate (15) close to the handrail.

4. A cleaning device for an escalator handrail according to claim 1, characterized in that The liquid suction and discharge assembly (9) comprises a water pump (16), a liquid conveying pipe (17), a through port (18) and a cleaning port (19), the water pump (16) is arranged in the cleaning liquid cavity (7) and the disinfectant liquid cavity (8) respectively, the liquid conveying pipe (17) is arranged on the water pump (16), the through port (18) is arranged on the cleaning box (2) and penetrates the fixed frame (3), and the cleaning port (19) is arranged at the bottom of the fixed frame (3).

5. A cleaning device for an escalator handrail according to claim 4, characterized in that The liquid conveying pipe (17) is connected with the top of the mounting plate (10) through the through port (18), the mounting plate (10) is installed above the cleaning port (19) through bolts, and the bottom of the mounting plate (10) is provided with cleaning cotton (20) through magic tape.

6. A cleaning device for an escalator handrail according to claim 1, characterized in that The fixed clamping plate (4) is also provided with a clamping wheel (6) on one side close to the handrail, a circular groove (61) is arranged in the clamping wheel (6) close to the cleaning box (2), a spring (62) is fixedly arranged in the circular groove (61), and a shock absorbing block (63) is slidably arranged in the circular groove (61).

7. A cleaning device for an escalator handrail according to claim 1, characterized in that A pair of suction cups (11) are arranged at the bottom of the cleaning box (2), and the suction cups (11) are used for fixing the cleaning box (2) on the escalator body (1).

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