Automatic cleaning device for hand strap

Abstract

An automatic cleaning device for a hand strap comprises a shell, a roller, a soft rubber barrel, a rotating shaft, a rolling brush, a swing rod, a first motor and a second motor, the interior of the shell is divided into an external cleaning area and a self-cleaning area, the rotating shaft is arranged in the external cleaning area and rotatably installed in the shell, and the rotating shaft is connected with the first motor used for driving the rotating shaft to rotate. The rotating shaft is connected with a roller through a swing rod; a soft rubber cylinder is mounted on the roller; a rolling brush is arranged in the self-cleaning area, the area where the rolling brush is located is used for being filled with disinfectant, the rolling brush is rotatably installed in the shell and connected with a second motor used for driving the rolling brush to rotate, and when the rotating shaft rotates to be located at the self-cleaning station, the roller is located in the self-cleaning area, and the soft rubber cylinder makes contact with the brush of the roller. When the rotating shaft rotates to be located at the external cleaning station, the roller is located in the external cleaning area of the shell, and the soft rubber cylinder makes contact with the hand strap with the cleaning function. The hand strap cleaning device is convenient to use, labor cost and time cost are saved, and the surface of a hand strap can be effectively cleaned.

Description

Technical Field

[0001] The invention belongs to the field of escalators, and in particular relates to a device for automatically cleaning an escalator handrail. Background Art

[0002] At present, escalators are widely used in some public places and large shopping malls. Long-term use leads to dust and dirt accumulation on the handrails, posing a health hazard. In addition, the handrails of the escalators in these places are all cleaned manually, relying on manual scrubbing of the handrails with rags, which requires a lot of manpower and time costs. The time interval for manual cleaning is long, which cannot meet the cleaning work during the peak period of escalator use. Therefore, an automatic cleaning device for escalator handrails is proposed to solve the above problems. Summary of the invention

[0003] In order to overcome the shortcomings of the existing technology, the present invention provides an automatic cleaning device for an armrest belt. The required interval time is set, and the device is started to perform cleaning work. The interior of the device can be self-cleaning, and there is no need to replace the cleaning parts in the short term. When not working, the device is in standby mode to save electricity.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] An automatic cleaning device for an armrest belt, comprising a shell, a roller, a soft rubber tube, a rotating shaft, a roller brush, a rocker arm, a first motor and a second motor. The interior of the shell is divided into an external cleaning area and a self-cleaning area. The external cleaning area is provided with a rotating shaft, which is rotatably installed in the shell, and is connected to a first motor for driving the rotating shaft to rotate. The rotating shaft is connected to the roller through a rocker arm, and the soft rubber tube is installed on the roller. A roller brush is provided in the self-cleaning area, and the area where the roller brush is located is used to fill disinfectant. The roller brush is rotatably installed in the shell, and is connected to the second motor for driving the roller brush to rotate. When the rotating shaft rotates to the self-cleaning position, the roller is located in the self-cleaning area and the soft rubber tube contacts the brush of the roller. When the rotating shaft rotates to the external cleaning position, the roller is located in the external cleaning area of ​​the shell and the soft rubber tube contacts the cleaned handrail belt.

[0006] Preferably, the soft rubber tube is a U-shaped tooth hole soft rubber tube.

[0007] Furthermore, a first supporting slider and a second supporting slider are respectively disposed at both ends of the rotating shaft, the first supporting slider is connected to a first buffer spring, the second supporting slider is connected to a second buffer spring, the first supporting slider and the first buffer spring, the second supporting slider and the second buffer spring are respectively located in the slide grooves on both sides of the housing. In this solution, the slide groove cooperates with the supporting slider and the buffer spring to form a buffer assembly.

[0008] Furthermore, a first bearing and a second bearing are provided at both ends of the rotating shaft, and the first bearing and the second bearing are fixed to the side surface of the shell.

[0009] The third bearing and the fourth bearing are arranged at two ends of the rolling brush, and the third bearing and the fourth bearing are fixed to the side surface of the shell.

[0010] More preferably, the first motor and the second motor are servo motors.

[0011] The first motor and the second motor are connected to the STMC single chip microcomputer.

[0012] The swing rod is connected to the rotating shaft by a key.

[0013] When the present invention is in use, the cleaning device is swung to a fixed position and contacts the handrail belt by controlling the motor at a fixed time, thereby realizing timed automatic cleaning. After cleaning is finished, the connecting swing rod is swung to a fixed position and contacts the roller brush by controlling the motor again, thereby realizing automatic cleaning inside the device, without the need to frequently disassemble the cleaning components for cleaning.

[0014] The beneficial effects of the present invention are mainly manifested in: easy use, saving labor costs and time costs, and being able to effectively clean the surface of the handrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the cleaning working state of the present invention;

[0016] Figure 2 This is a structural diagram of the shell and the working device of the present invention being separated;

[0017] Figure 3 It is a structural diagram of the internal automatic cleaning state (initial position) of the present invention;

[0018] Figure 4 is a schematic diagram of a buffer device of the present invention;

[0019] Figure 5 It is a partial structural schematic diagram of the present invention;

[0020] Figure 6 It is a work flow chart of the present invention;

[0021] The figures are marked as follows: 1. Shell; 2. Roller; 3. U-shaped tooth hole soft rubber cylinder; 4. Rotating shaft; 5. Roller brush; 6. Rocker; 7a. First motor 1; 7b. Second motor; 8a. First bearing; 8b. Second bearing; 8c. Third bearing; 8d. Fourth bearing; 9a. First supporting slider; 9b. Second supporting slider; 10a. First buffer spring; 10b. Second buffer spring; 11. Drain pipe; 12. Key, 13. External cleaning area; 14. Self-cleaning area; 15. Slide; 16. Disinfectant; 17. Drain outlet. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Reference Figure 1 to Figure 6 , an automatic cleaning device for handrails, the device is placed at the lower end of the escalator handrail, the device comprises a housing 1, a roller 2, a U-shaped tooth hole soft rubber cylinder 3, a rotating shaft 4, a roller brush 5, a swing rod 6, a first motor 7a, a second motor 7b, a first bearing 8a, a second bearing 8b, a third bearing 8c, a fourth bearing 8d, a first supporting slider 9a, a second supporting slider 9b, a first buffer spring 10a, a second buffer spring 10b and a drain pipe 11. Figure 5 As shown, the interior of the shell 1 is divided into an external cleaning area 13 and a self-cleaning area 14, and there is a slide groove 13 on each side of the shell, which cooperates with the supporting slider and the buffer spring to form a buffer assembly; the first bearing 8a, the second bearing 8b, the third bearing 8c, and the fourth bearing 8d are fixed to the side of the shell 1, and the rotating shaft 4 and the roller brush 5 are respectively arranged between the two bearings, wherein the working surface of the roller 2 is wrapped with a U-shaped tooth hole soft rubber tube 3, and the U-shaped tooth hole soft rubber tube 3 contacts the moving escalator handrail, driving the roller 2 to rotate, and realizing the cleaning and disinfection of the handrail; the working surface of the roller brush 5 has a brush, which plays the role of cleaning the U-shaped tooth hole soft rubber tube 3; the rotating shaft 4 is connected to the roller 2 by a connecting rocker 6, and the first motor 7a and the second motor 7b respectively control the rotating shaft 4 and the roller brush 5 to rotate regularly, and the rotation of the rotating shaft 4 drives the roller 3 to swing, so that the U-shaped tooth hole soft rubber tube 3 contacts the roller brush 5 brush, and automatic cleaning is realized.

[0024] like Figure 5 As shown, the external cleaning area 13 is provided with an opening to facilitate the contact between the U-shaped tooth hole soft rubber tube 3 and the handrail belt, and the handrail belt is cleaned and disinfected in the external cleaning area 11; the self-cleaning area 14 is filled with disinfectant 16, and half of the roller brush 5 is immersed in the disinfectant 16. There is a drain port 17 on the side to facilitate the replacement of the disinfectant liquid. The U-shaped tooth hole soft rubber tube 3 is cleaned in the self-cleaning area 14.

[0025] The first supporting slider 9a and the second supporting slider 9b are respectively arranged at both ends of the rotating shaft 4, the first supporting slider 9a is connected to the first buffer spring 10a, the second supporting slider 9b is connected to the second buffer spring 10b, the first supporting slider and the first buffer spring, the second supporting slider and the second buffer spring are respectively located in the slide grooves 15 on both sides of the housing. In this solution, the slide groove cooperates with the supporting slider and the buffer spring to form a buffer assembly.

[0026] The first motor 7a and the second motor 7b are servo motors. The swing rod 6 is connected to the rotating shaft 4 by a key. The U-shaped tooth hole soft rubber tube 3 is used to clean the upper surface and the side of the handrail at the same time, and is easy to disassemble and replace. The first motor 7a and the second motor 7b are controlled by an STM89C51 single chip microcomputer.

[0027] Reference Figure 6 , the action status of the device is described as follows:

[0028] First, if Figure 3 As shown, the roller 2 of the automatic handrail cleaning device is in contact with the roller brush 5, the first motor 7a and the second motor 7b are not working, and the roller brush and the roller are in a stationary state, which is in a standby state.

[0029] like Figure 6 As shown in step S1, the first action is that the second motor 7b of the automatic cleaning device of the handrail belt rotates, driving the roller brush 5 to rotate, the roller brush 5 contacts with the U-shaped tooth hole soft rubber tube 3, driving the roller 2 to rotate, and a part of the roller brush 5 is placed in the disinfectant 14. By soaking the roller brush 5, the U-shaped tooth hole soft rubber tube 3 is cleaned, thereby realizing the self-cleaning of the automatic cleaning device of the handrail belt.

[0030] like Figure 6 As shown in step S2, the second action is that the first motor 7a of the automatic cleaning device of the handrail belt rotates forward, driving the rocker arm 6 to swing, so that the roller 2 reaches the designated cleaning position, and the U-shaped perforated soft rubber tube 3 contacts the moving handrail belt to achieve cleaning and disinfection of the handrail belt.

[0031] like Figure 6 As shown in step S3, the third action is that when the specified cleaning time is reached, the first motor 7a of the automatic cleaning device for the handrail belt is reversed to return the roller 2 to the initial position and return to the standby state.

[0032] When the standby state reaches the specified time, the next cleaning is performed and steps S1 to S3 are repeated.

[0033] In step S2, when the U-shaped perforated soft rubber tube 3 contacts the moving handrail, the handrail moves downward, which will generate a large impact force. Therefore, before the rocker arm 6 swings to the specified position, it first contacts the first supporting slider 9a and the second supporting slider 9b on both sides, and the impact is reduced by the first supporting slider 9a, the second supporting slider 9b, the first buffer spring 10a, and the second buffer spring 10b.

[0034] A drain pipe 11 is provided outside the shell of the self-cleaning area 12, and the drain pipe 11 is connected to the drain hole 15. After the device has worked for a period of time, if you want to replace the disinfectant water, you only need to drain the old disinfectant water from the drain outlet along the drain pipe 11 and then inject new disinfectant water.

[0035] The automatic cleaning device for the handrail of the escalator of this embodiment can perform frequent and scheduled automatic cleaning of the handrail, which greatly reduces the labor cost and time cost, and also enables the handrail to be kept clean for a long time. The cleaning adopts a U-shaped toothed soft rubber tube to contact the moving handrail to achieve non-powered cleaning and reduce energy loss.

[0036] The contents described in the embodiments of this specification are merely enumerations of implementation forms of the inventive concept and are for illustrative purposes only. The protection scope of the present invention should not be considered to be limited to the specific forms described in this embodiment, and the protection scope of the present invention also extends to equivalent technical means that can be thought of by ordinary technicians in this field based on the inventive concept.

Claims

1. An automatic cleaning device for a handrail, characterized in that: The device includes a shell, a roller, a soft rubber tube, a rotating shaft, a roller brush, a rocker arm, a first motor and a second motor. The interior of the shell is divided into an external cleaning area and a self-cleaning area. The external cleaning area is provided with a rotating shaft, which is rotatably installed in the shell, and is connected to the first motor for driving the rotating shaft to rotate. The rotating shaft is connected to the roller through the rocker arm, and the soft rubber tube is installed on the roller; a roller brush is provided in the self-cleaning area, and the area where the roller brush is located is used to fill disinfectant. The roller brush is rotatably installed in the shell, and is connected to the second motor for driving the roller brush to rotate. When the rotating shaft rotates to the self-cleaning position, the roller is located in the self-cleaning area and the soft rubber tube is in contact with the brush of the roller; when the rotating shaft rotates to the external cleaning position, the roller is located in the external cleaning area of ​​the shell and the soft rubber tube is in contact with the cleaned handrail.

2. The automatic cleaning device for a handrail according to claim 1, characterized in that: The soft rubber tube is a U-shaped soft rubber tube with tooth holes.

3. An automatic cleaning device for a handrail according to claim 1 or 2, characterized in that: A first supporting slider and a second supporting slider are respectively arranged at both ends of the rotating shaft, the first supporting slider is connected to a first buffer spring, the second supporting slider is connected to a second buffer spring, the first supporting slider and the first buffer spring, the second supporting slider and the second buffer spring are respectively located in the slide grooves on both sides of the shell.

4. An automatic cleaning device for a handrail according to claim 1 or 2, characterized in that: The first bearing and the second bearing are arranged at both ends of the rotating shaft, and the first bearing and the second bearing are fixed to the side surface of the shell.

5. An automatic cleaning device for a handrail according to claim 1 or 2, characterized in that: The third bearing and the fourth bearing are arranged at two ends of the rolling brush, and the third bearing and the fourth bearing are fixed to the side surface of the shell.

6. An automatic cleaning device for a handrail according to claim 1 or 2, characterized in that: The first motor and the second motor are servo motors.

7. The automatic cleaning device for a handrail according to claim 6, characterized in that: The first motor and the second motor are connected to the STMC single chip microcomputer.

8. An automatic cleaning device for a handrail according to claim 1 or 2, characterized in that: The swing rod is connected to the rotating shaft by a key.

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