CN112010146A

CN112010146A - Escalator disinfection device

Info

Publication number: CN112010146A
Application number: CN202010997196.1A
Authority: CN
Inventors: 何俊峰; 邹地河
Original assignee: Shanghai BST Electric Co Ltd
Current assignee: Shanghai BST Electric Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-01
Anticipated expiration: 2040-09-21
Also published as: CN112010146B

Abstract

The invention discloses an escalator disinfection device, which belongs to the technical field of disinfection equipment and comprises a base, a cleaning assembly and a driving wheel. The cleaning assembly includes two first sanitizing rotating wheels and one second sanitizing rotating wheel, each having a wetting layer. The first disinfection rotating wheels are rotatably arranged on the base through first rotating shafts, the two first disinfection rotating wheels are respectively positioned at two sides of the handrail belt, and the infiltration layer of the first disinfection rotating wheel at each side is tightly attached to the side surface and the upper top surface of the handrail belt; the second disinfection rotation is rotatably arranged on the base and is opposite to the handrail belt, and the soaking layer of the second disinfection rotation is tightly attached to the outer surface of the bottom side of the handrail belt; the driving wheel is arranged on the base, clings to the outer surface and is rotatably arranged between the two first disinfection rotating wheels. The escalator disinfection device has the advantages that efficient and comprehensive cleaning and disinfection of the handrail belt are achieved, manpower is saved, cleaning and disinfection cost is reduced, external force does not need to be additionally provided during operation, and the escalator disinfection device is energy-saving and environment-friendly.

Description

Escalator disinfection device

Technical Field

The invention relates to the technical field of disinfection equipment, in particular to an escalator disinfection device.

Background

The escalator is usually installed in large shopping malls, hospitals and other public places for carrying passengers, the handrail belt is frequently carried by the passengers, dirt is easily accumulated on the handrail belt, and the handrail belt needs to be cleaned and disinfected in time for the sake of sanitation and safety. Cleaning is typically done by a cleaner wiping the dirt with a cleaning member, which is inefficient, labor intensive, and time consuming. The existing escalator disinfection device has a large structure, is complex to install, and is high in price and use cost.

Disclosure of Invention

The invention aims to provide an escalator disinfection device, which can clean and disinfect a hand strap comprehensively and automatically, saves manpower, improves the cleaning and disinfection efficiency, does not need additional power for the operation of a cleaning assembly, reduces the cleaning and disinfection cost, and is energy-saving and environment-friendly.

As the conception, the technical scheme adopted by the invention is as follows:

an escalator disinfecting device comprising:

a base;

a cleaning assembly, comprising:

the two first disinfection rotating wheels are rotatably arranged on the base through first rotating shafts and are provided with soaking layers, the two first disinfection rotating wheels are respectively positioned at two sides of the handrail belt, and the soaking layers of the first disinfection rotating wheels at each side are tightly attached to the side surfaces of the handrail belt and the upper top surface connected with the side surfaces;

the second disinfection rotating wheel is rotatably arranged on the base and provided with the infiltration layer, the second disinfection rotating wheel is over against the outer surface of the bottom side of the handrail belt, and the infiltration layer of the second disinfection rotating wheel is tightly attached to the outer surface;

a drive wheel disposed on the base, clinging to the outer surface, rotatably disposed between the two first disinfection rotating wheels, and configured to: the handrail belt drives the driving wheel to rotate, and the driving wheel rotates to drive the two first disinfection rotating wheels to rotate.

Optionally, each first rotating shaft is provided with a first bevel gear, two ends of the driving wheel are provided with second bevel gears, and the first bevel gear and the second bevel gear on the same side are perpendicular to each other and are meshed with each other.

Optionally, still include the second pivot, the second pivot rotationally set up in the base, interval is provided with third conical gear and driven gear in the second pivot, with the second pivot homonymy be provided with the driving gear in the first pivot, the driving gear with driven gear passes through the hold-in range and connects, the tip that the second disinfected the running wheel is provided with fourth conical gear, third conical gear with fourth conical gear mutually perpendicular and intermeshing.

Optionally, a first section of disinfection solution channel is seted up to the inside of base, two the inside of first pivot all has run through second section of disinfection solution channel along the axial, two second section of disinfection solution channel respectively with first section of disinfection solution channel intercommunication, be provided with first disinfection solution inlet joint on the base, first disinfection solution inlet joint with first section of disinfection solution channel intercommunication, two the top of first pivot is provided with the antiseptic solution shower nozzle respectively, and the antiseptic solution can pass through one the antiseptic solution shower nozzle sprays in another relative first disinfection rotates the wheel soak on the layer.

Optionally, a second disinfectant inlet joint is arranged at the end of the second disinfection rotating wheel, a disinfectant accommodating cavity communicated with the second disinfectant inlet joint is formed in the second disinfection rotating wheel, an opening is formed in the side wall of the second disinfection rotating wheel, and the disinfectant in the disinfectant accommodating cavity can be immersed into the infiltration layer of the second disinfection rotating wheel through the opening.

Optionally, still include antiseptic solution storage device and mount pad, the base with antiseptic solution storage device interval set up in the up end of mount pad, antiseptic solution storage device includes antiseptic solution case and connecting tube, connecting tube's one end communicate in the antiseptic solution case, connecting tube's the other end is divided into two branches, one the branch road communicate in first antiseptic solution entry joint, another the branch road communicate in second antiseptic solution entry joint, in the antiseptic solution incasement antiseptic solution can pass through connecting tube arrives extremely the infiltration layer.

Optionally, an electromagnetic valve is disposed on the connecting pipeline, and the electromagnetic valve can control the flow of the disinfectant in the connecting pipeline.

Optionally, the wetting layer is a sponge, and the sponge is sleeve-type and is used for absorbing disinfectant.

Optionally, a preset height difference is arranged between the second disinfection rotating wheel and the driving wheel, and the radian of the arc surface formed by the contact surface between the second disinfection rotating wheel and the driving wheel and the outer surface is consistent with the radian of the arc section of the outer surface.

Optionally, the wheel wall of the driving wheel is annularly provided with strip-shaped convex teeth.

The invention has the beneficial effects that:

in the escalator disinfection device provided by the invention, the wetting layers of the first disinfection rotating wheel and the second disinfection rotating wheel are closely attached to five surfaces of the hand strap for rotating disinfection, so that the five surfaces of the hand strap are comprehensively disinfected at the same time, each part of the wetting layer is in circular contact with the hand strap, the utilization rate is fully improved, the cleaning and disinfection effects are good, the manpower is saved, and the disinfection cost is reduced; the cleaning assembly is driven by the power of the hand strap without additional external force during operation, thereby saving energy and protecting environment.

Drawings

Fig. 1 is a schematic structural view of an escalator provided by an embodiment of the present invention;

fig. 2 is a partial structural schematic view of an escalator disinfecting device provided by an embodiment of the invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a partial structural schematic view of an escalator disinfecting device provided by an embodiment of the invention;

fig. 5 is a schematic structural view of an escalator sterilizing device provided by an embodiment of the present invention;

FIG. 6 is a wetted layer of a first sterilizing rotating wheel provided in accordance with an embodiment of the present invention.

In the figure:

100. a handrail belt;

1001. a side surface; 1002. an upper top surface; 1003. an outer surface;

1. a base; 3. a driving wheel; 4. a second rotating shaft; 5. a disinfectant storage device; 6. a mounting seat;

11. a first disinfectant inlet joint; 12. a second disinfectant inlet joint; 21. a first sterilizing rotating wheel; 22. a wetting layer; 23. a second sterilizing rotating wheel; 31. a second bevel gear; 41. a third bevel gear; 42. a driven gear; 51. a disinfectant tank; 52. connecting a pipeline; 53. an electromagnetic valve;

211. a first rotating shaft; 212. a hub; 231. a fourth bevel gear; 521. a branch circuit;

2111. a driving gear; 2112. a disinfectant nozzle; 2113. a first bevel gear.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly specified or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature. Also, the first feature "over," "above," and "on" the second feature includes the first feature being directly over and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature includes a first feature that is directly under and obliquely below the second feature, or simply means that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The present embodiment provides an escalator sterilization device for sterilizing a handrail 100 of an escalator.

As shown in fig. 1 to 6, the escalator sterilizing device includes a base 1, a cleaning assembly, and a driving wheel 3. The cleaning assembly comprises two first disinfection rotating wheels 21 and one second disinfection rotating wheel 23, both the first disinfection rotating wheels 21 and the second disinfection rotating wheels 23 having a wetting layer 22. The first sterilizing rotating wheel 21 is rotatably provided on the base 1 by a first rotating shaft 211. In this embodiment, the first disinfection rotating wheel 21 includes a hub 212 and a wetting layer 22, the wetting layer 22 is sleeved outside the hub 212, and the hub 212 is sleeved outside the first rotating shaft 211. The two first disinfection rotating wheels 21 are respectively positioned at two sides of the handrail 100, and the wetting layer 22 of the first disinfection rotating wheel 21 at each side is tightly attached to the side 1001 and the upper top 1002 of the handrail 100; the second disinfection rotating wheel 23 is rotatably arranged on the base 1 and is opposite to the outer surface 1003 of the bottom side of the handrail 100, and the soaking layer 22 is tightly attached to the outer surface 1003; the driving wheel 3 is arranged on the base 1, clinging to the outer surface 1003, rotatably arranged between two first disinfection rotating wheels 21, and is configured to: the handrail 100 is driven to rotate the driving wheel 3, and the driving wheel 3 rotates to drive the two first sterilizing rotating wheels 21 to rotate.

In the present embodiment, the handrail 100 has a structure as shown in fig. 1, and the surface to be sterilized of the handrail 100 includes five surfaces, which are an upper top surface 1002 and a side surface 1001 on one side, an outer surface 1003, and a side surface 1001 and an upper top surface 1002 on the other side, which are connected in sequence. Wherein, the cambered surface that the side 1001 was established for the outside is protruding, correspondingly, as shown in fig. 6, the soakage layer 22 of wheel 21 is rotated in first disinfection is divided into two sections from top to bottom, and one section is the constant sleeve section of diameter, and one section is the necking down section that reduces gradually along the one end diameter of keeping away from the sleeve section, and the side of necking down section is the indent cambered surface to make soakage layer 22 that the necking down section corresponds can cover completely and closely laminate the last top 1002 and the side 1001 of handrail area 100. The wetting layer 22 of the second disinfection rotating wheel 23 is a sleeve with a constant diameter, and the side surface of the sleeve is tightly attached to the outer surface 1003. The wetting layer 22 is preferably a sponge for absorbing disinfectant.

To this escalator degassing unit, the infiltration layer 22 that wheel 21 and second disinfection are rotated in first disinfection is hugged closely five faces of handrail area 100 and is rotated the disinfection, five faces to handrail area 100 have been realized disinfecting simultaneously, it is comprehensive to have realized, disinfect high-efficiently, infiltration layer 22 can rotate around first pivot 211, make every position of infiltration layer 22 all circulate and contact handrail area 100, fully improve the utilization ratio, clean sterile effectual, the manpower has been saved, clean disinfection cost is reduced. The driving wheel 3 is tightly attached to the outer surface 1003 of the handrail 100, the driving wheel 3 is driven to rotate by the handrail 100 in transmission and drives the first disinfection rotating wheels 21 at the two ends to rotate, so that the wetting layer 22 of the first disinfection rotating wheels 21 can be rotationally and tightly attached to the handrail 100 to carry out friction type disinfection, automatic cleaning and disinfection are completed, the wetting layer 22 can be fully utilized in a rotating mode, and the cleaning and disinfection effects are good and high. The cleaning assembly operates without additional external force, and is driven by the power provided by the transmission of the handrail 100, thereby realizing energy conservation and environmental protection.

In this embodiment, in order to increase the friction between the driving wheel 3 and the outer surface 1003 of the handrail 100 to avoid the slipping phenomenon between the driving wheel 3 and the outer surface 1003, the wheel wall of the driving wheel 3 is annularly provided with a strip-shaped convex tooth, i.e. the driving wheel 3 is preferably a gear. The both ends of action wheel 3 are passed through the back shaft and are rotationally supported two fixing bases on base 1, and the fixing base is the rectangular plate, sets up perpendicularly on base 1.

In order to make the driving pulley 3 drive the first sterilizing rotating wheel 21 to rotate, the first rotating shaft 211 is provided with a first bevel gear 2113, both ends of the driving pulley 3 are provided with second bevel gears 31, the first bevel gear 2113 and the second bevel gear 31 on the same side are perpendicular to each other and are meshed with each other, so that the driving pulley 3 rotates, and the first rotating shaft 211 is driven to rotate to drive the first sterilizing rotating wheel 21 to rotate through the meshing transmission of the first bevel gear 2113 and the second bevel gear 31. In this embodiment, two second bevel gears 31 are respectively sleeved on the supporting shafts at two ends of the driving wheel 3.

In order to finally transmit the driving power of the handrail 100 to the second sterilizing rotary wheel 23, the base 1 is provided with a second rotating shaft 4 which can rotate around the axis thereof, the second rotating shaft 4 is provided with third bevel gears 41 and driven gears 42 at intervals, the first rotating shaft 211 at the same side as the second rotating shaft 4 is provided with a driving gear 2111, the driving gear 2111 and the driven gears 42 are connected through a synchronous belt, the end of the second sterilizing rotary wheel 23 is provided with a fourth bevel gear 231, and the third bevel gear 41 and the fourth bevel gear 231 are perpendicular to each other and are meshed with each other. When the escalator sterilizing device works, the transmission route of the power is as follows: the handrail belt 100 drives the driving wheel 3 to rotate, the driving wheel 3 rotates to drive the driving gear 2111 on the first rotating shaft 211 to rotate, the driving gear 2111 drives the driven gear 42 to rotate through the synchronous belt, the driven gear 42 drives the second rotating shaft 4 to rotate, and the second rotating shaft 4 rotates to drive the second disinfection rotating wheel 23 to rotate. Through the arrangement mode, the handrail 100 drives the cleaning assembly to automatically operate, so that the rotary cleaning and disinfection of the infiltration layer 22 are completed, the disinfection effect is good, the efficiency is high, the energy is saved, and the use cost is reduced.

Optionally, a preset height difference is provided between the second disinfection rotating wheel 23 and the driving wheel 3, and the radian of the arc surface formed by the contact surfaces of the second disinfection rotating wheel 23, the driving wheel 3 and the outer surface 1003 is consistent with the radian of the arc segment of the outer surface 1003, so that the driving wheel 3 and the infiltration layer 22 of the second disinfection rotating wheel 23 are simultaneously and tightly attached to the outer surface 1003, so that the driving wheel 3 is better driven, the infiltration layer 22 is better and tightly attached to the outer surface 1003, so that the obtained power is enough to drive the cleaning assembly to operate, and the cleaning effect is better. Optionally, the first rotation shaft 211 is length-adjustable, i.e. it is provided in a telescopic form, so that the height of the first disinfection rotation wheel 21 is adjustable to better fit the handrail belt 100.

Furthermore, in order to make the disinfectant automatically soak into the wetting layer 22, a channel for flowing the disinfectant is provided in the device.

Specifically, a first section of disinfection solution channel is set up in the inside of the base 1, a second section of disinfection solution channel penetrates through the inside of each of the two first rotating shafts 211 along the axial direction, the two second sections of disinfection solution channels are respectively communicated with the first section of disinfection solution channel, a first disinfection solution inlet joint 11 is arranged on the base 1, the first disinfection solution inlet joint 11 in the embodiment is preferably arranged on one side of the base 1, the first disinfection solution inlet joint 11 is communicated with the first section of disinfection solution channel, disinfection solution nozzles 2112 are respectively arranged at the top ends of the two first rotating shafts 211, and disinfection solution can be sprayed on the infiltration layer 22 of the other first disinfection rotating wheel 21 through one disinfection solution nozzle 2112. The disinfectant sprayer 2112 is arranged, the outlet of the disinfectant sprayer 2112 can be adjusted to face the opposite wetting layer 22, the disinfectant can be sprayed to the opposite wetting layer 22 in time and wetted by the opposite wetting layer 22 automatically, manual operation is not needed, the disinfection condition caused by volatilization or insufficient allowance of the disinfectant in the wetting layer 22 is avoided, time and labor are saved, and the automation degree is high.

Further, the end of the second disinfection rotating wheel 23 is provided with a second disinfectant inlet joint 12, a disinfectant containing cavity communicated with the second disinfectant inlet joint 12 is arranged in the second disinfection rotating wheel 23, an opening is formed in the side wall of the second disinfection rotating wheel 23, and disinfectant in the disinfectant containing cavity can be immersed into the wetting layer 22 of the second disinfection rotating wheel 23 through the opening.

In this embodiment, the two ends of the second disinfection rotating wheel 23 are provided with supporting rotating shafts, the supporting rotating shafts are rotatably supported on the base 1 through supporting seats, and the supporting seats are rectangular plates; second disinfection rotates wheel 23 and includes the inner liner, the inner liner overcoat is equipped with cover tube-like sponge, cover tube-like sponge rotates the infiltration layer 22 of wheel 23 as the second disinfection, the inner liner endotheca is equipped with annular strengthening rib, the inner liner includes two loudspeaker form jacket layers and connects the connecting sleeve layer between two loudspeaker form jacket layers, the big footpath end orientation of loudspeaker form jacket layer deviates from one side of connecting sleeve layer, a plurality of openings are seted up on the inner liner, the tip of the big footpath end of loudspeaker form jacket layer inlays and is equipped with square casing, square casing's one end is the open end, the open end is towards antiseptic solution holding chamber, square casing's the other end is the blind end, the blind end is seted up connect the through-hole in order to be. The second disinfection rotating wheel 23 is simple in structure assembly and firm in structure, and can effectively wet the wetting layer 22.

Optionally, the escalator disinfection device further comprises a disinfection liquid storage device 5 and a mounting seat 6, the base 1 and the disinfection liquid storage device 5 are arranged on the upper end surface of the mounting seat 6 at intervals, the disinfection liquid storage device 5 comprises a disinfection liquid tank 51 and a connecting pipeline 52, one end of the connecting pipeline 52 is communicated with the disinfection liquid tank 51, the other end of the connecting pipeline 52 is divided into a plurality of branches 521, one branch 521 is communicated with the first disinfection liquid inlet joint 11, the other branch 521 is communicated with the second disinfection liquid inlet joint 12, and disinfection liquid in the disinfection liquid tank 51 can respectively reach the wetting layer 22 of the first disinfection rotating wheel 21 and the wetting layer 22 of the second disinfection rotating wheel 23 through the connecting pipeline 52.

Further, an electromagnetic valve 53 is disposed on the connecting pipeline 52, the electromagnetic valve 53 can control the flow of the disinfectant in the connecting pipeline 52, and specifically, the electromagnetic valve 53 is used for adjusting the flow rate and the flow rate of the disinfectant in the connecting pipeline 52. The solenoid valve 53 is a conventional device, and the structure and principle thereof will not be described in detail herein.

Optionally, the position of the cleaning assembly is adjustable, as shown in fig. 2, the mounting seat 6 includes an upper sliding plate and a lower fixing plate, the sliding plate is slidably disposed on the fixing plate, specifically, a boss is convexly disposed on the bottom side of the base body of the sliding plate, a sliding groove matched with the boss is formed in the fixing plate in a penetrating manner, the boss is slidably disposed in the sliding groove, so that the position of the base 1 can be adjusted, the cleaning assembly on the base 1 is moved to different positions to be cleaned of the handrail 100 according to actual requirements, and the flexibility of use is high.

The foregoing embodiments are merely illustrative of the principles and features of the present invention, and the present invention is not limited to the above embodiments, but various changes and modifications can be made without departing from the spirit and scope of the invention, which falls within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An escalator disinfecting device, comprising:

a base (1);

a cleaning assembly, comprising:

the two first disinfection rotating wheels (21) are rotatably arranged on the base (1) through first rotating shafts (211), each first disinfection rotating wheel (21) is provided with a soaking layer (22), the two first disinfection rotating wheels (21) are respectively positioned at two sides of the handrail belt (100), and the soaking layer (22) of each first disinfection rotating wheel (21) is tightly attached to the side surface (1001) of the handrail belt (100) and the upper top surface (1002) connected with the side surface (1001);

the second disinfection rotating wheel (23) is rotatably arranged on the base (1), the second disinfection rotating wheel (23) is provided with the soaking layer (22), the second disinfection rotating wheel (23) is just opposite to the outer surface (1003) of the bottom side of the handrail (100), and the soaking layer (22) of the second disinfection rotating wheel (23) is tightly attached to the outer surface (1003);

a driving wheel (3) arranged on said base (1), clinging to said external surface (1003), rotatably arranged between two of said first sterilizing rotating wheels (21), configured to: the handrail (100) is driven to drive the driving wheel (3) to rotate, and the driving wheel (3) rotates to drive the two first disinfection rotating wheels (21) to rotate.

2. Escalator disinfection device according to claim 1, characterized in that each first shaft (211) is provided with a first bevel gear (2113), both ends of the drive wheel (3) are provided with second bevel gears (31), the first bevel gear (2113) and the second bevel gear (31) on the same side are perpendicular to each other and mesh with each other.

3. The escalator disinfecting device according to claim 2, further comprising a second rotating shaft (4), wherein the second rotating shaft (4) is rotatably disposed on the base (1), third bevel gears (41) and driven gears (42) are disposed on the second rotating shaft (4) at intervals, a driving gear (2111) is disposed on the first rotating shaft (211) on the same side as the second rotating shaft (4), the driving gear (2111) and the driven gears (42) are connected through a synchronous belt, a fourth bevel gear (231) is disposed at an end of the second disinfecting rotating wheel (23), and the third bevel gear (41) and the fourth bevel gear (231) are perpendicular to each other and are meshed with each other.

4. The escalator disinfecting device according to any one of claims 1-3, wherein a first section of disinfecting liquid channel is formed in the base (1), a second section of disinfecting liquid channel axially penetrates through the interiors of the two first rotating shafts (211), the two second sections of disinfecting liquid channels are respectively communicated with the first section of disinfecting liquid channel, a first disinfecting liquid inlet joint (11) is arranged on the base (1), the first disinfecting liquid inlet joint (11) is communicated with the first section of disinfecting liquid channel, disinfecting liquid nozzles (2112) are respectively arranged at the top ends of the two first rotating shafts (211), and disinfecting liquid can be sprayed onto the wetting layer (22) of the other first disinfecting rotating wheel (21) through one disinfecting liquid nozzle (2112).

5. The escalator disinfecting device according to claim 4, wherein a second disinfecting liquid inlet joint (12) is disposed at an end of the second disinfecting rotating wheel (23), a disinfecting liquid containing cavity communicated with the second disinfecting liquid inlet joint (12) is disposed in the second disinfecting rotating wheel (23), an opening is disposed on a side wall of the second disinfecting rotating wheel (23), and the disinfecting liquid in the disinfecting liquid containing cavity can be immersed into the soaking layer (22) of the second disinfecting rotating wheel (23) through the opening.

6. Escalator disinfection device according to claim 5, characterized by the fact that it also comprises a disinfectant storage device (5) and a mounting (6), the base (1) and the disinfectant storage device (5) are arranged on the upper end surface of the mounting seat (6) at intervals, the disinfectant liquid storage device (5) comprises a disinfectant liquid tank (51) and a connecting pipeline (52), one end of the connecting pipeline (52) is communicated with the disinfectant tank (51), the other end of the connecting pipeline (52) is divided into two branches (521), one branch (521) is communicated with the first disinfectant inlet joint (11), the other branch (521) is communicated with the second disinfectant inlet joint (12), the disinfecting liquid in the disinfecting liquid tank (51) can reach the wetting layer (22) through the connecting pipeline (52).

7. Escalator disinfection device according to claim 6, characterized in that a solenoid valve (53) is provided on the connecting line (52), which solenoid valve (53) is able to control the flow of the disinfecting liquid in the connecting line (52).

8. Escalator disinfection device according to one of claims 1-7, characterized in that the wetting layer (22) is a sponge, which is sleeve-like and which absorbs disinfecting liquid.

9. Escalator disinfection device according to claim 1, characterized in that a preset height difference is provided between the second disinfection running wheel (23) and the drive wheel (3), and the arc of the arc formed by the contact surfaces of the second disinfection running wheel (23) and the drive wheel (3) with the outer surface (1003) coincides with the arc of the arc segment of the outer surface (1003).

10. Escalator disinfection device according to claim 1, characterized in that the wall ring of the drive wheel (3) is provided with strip-shaped teeth.