CN213505536U - Cleaning device for escalator handrail - Google Patents
Cleaning device for escalator handrail Download PDFInfo
- Publication number
- CN213505536U CN213505536U CN202021689458.XU CN202021689458U CN213505536U CN 213505536 U CN213505536 U CN 213505536U CN 202021689458 U CN202021689458 U CN 202021689458U CN 213505536 U CN213505536 U CN 213505536U
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- cleaning
- inlet
- escalator
- handrail
- water pump
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- 238000004140 cleaning Methods 0.000 title claims abstract description 153
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000007605 air drying Methods 0.000 claims abstract description 20
- 230000000249 desinfective effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 239000000645 desinfectant Substances 0.000 claims description 26
- 230000001954 sterilising effect Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 16
- 238000004659 sterilization and disinfection Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000002070 germicidal effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses a cleaning device for an escalator hand strap, which comprises a cleaning device and a driving device, wherein the cleaning device comprises a shell, two ends of the shell are respectively provided with a strap inlet and a strap outlet, a pass-in and pass-out channel for realizing the passing in and out of the escalator hand strap and a cleaning mechanism, an air-drying mechanism and a disinfecting mechanism which are sequentially arranged along the passing in and out direction of the escalator hand strap are arranged in the shell, and the pass-in and pass-out channel is respectively connected with the strap inlet and the strap outlet; the belt inlet is provided with a first hairbrush assembly, the belt outlet is provided with a second hairbrush assembly, the shell is also internally provided with a horizontal roller, and the horizontal roller is rotatably arranged below the inlet and outlet channel; the cleaning mechanism, the air drying mechanism, the disinfecting mechanism and the horizontal roller are respectively connected with the driving device; the cleaning device provided by the utility model can clean, dry and disinfect the hand strap, and ensure the cleanness and the sanitation of the hand strap.
Description
Technical Field
The utility model relates to an automatic escalator technical field, in particular to cleaning device of automatic escalator handrail area.
Background
The escalator is widely applied to public places such as shopping malls, supermarkets and street-crossing pedestrian overpasses, is strong in continuous conveying capacity compared with a lifting elevator, can convey people to each floor without stopping, and has outstanding advantages.
However, the escalator has a large passenger carrying capacity, so that the handrail belt of the escalator can be touched by countless people in the conveying process, and if the escalator is not cleaned for a long time, stains can be left on the handrail belt, so that the escalator is not attractive and has potential health hazards.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art, an object of the utility model is to provide a cleaning device of automatic staircase handrail area can clean, dry and disinfect to the handrail area, ensures the clean health of handrail area, avoids because there is the potential safety hazard that the spot bacterium leads to in the handrail area.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a cleaning device for an escalator hand strap comprises a cleaning device and a driving device, wherein the cleaning device comprises a shell, a strap inlet and a strap outlet are respectively arranged at two ends of the shell, an inlet and outlet channel for realizing the inlet and outlet of the escalator hand strap and a cleaning mechanism, an air drying mechanism and a disinfecting mechanism which are sequentially arranged along the inlet and outlet direction of the escalator hand strap are arranged in the shell, and the inlet and outlet channel is respectively connected with the strap inlet and the strap outlet; the belt inlet is provided with a first hairbrush assembly, the belt outlet is provided with a second hairbrush assembly, the shell is also internally provided with a horizontal roller, and the horizontal roller is rotatably arranged below the inlet and outlet channel; the cleaning mechanism, the air drying mechanism, the sterilizing mechanism and the horizontal roller are respectively connected with the driving device.
In the cleaning device for the escalator handrail, the driving device comprises a control device, and a control motor and a speed reducer which are respectively and electrically connected with the control device, and the cleaning mechanism, the air drying mechanism and the disinfection structure are respectively and electrically connected with the control device; the speed reducer is in transmission connection with the control motor, and the cleaning mechanism, the air drying mechanism, the disinfecting mechanism and the horizontal roller are in transmission connection with the speed reducer respectively.
In the cleaning device for the escalator handrail, the cleaning mechanism comprises a first cleaning unit and a second cleaning unit which are sequentially arranged along the in-out direction of the escalator handrail.
In the cleaning device for the escalator handrail, the first cleaning unit comprises a cleaning fluid nozzle, a cleaning fluid holding tank, a first water pump and a cleaning roller, the cleaning fluid holding tank is fixedly arranged below the inlet and outlet channel, the cleaning fluid holding tank is connected with the cleaning fluid nozzle through the first water pump, and the cleaning fluid nozzle is arranged between the belt inlet and the cleaning roller; the cleaning rollers and the cleaning liquid nozzles are respectively arranged on the left side and the right side of the inlet and outlet channel; the first water pump and the cleaning roller are respectively connected with the driving device.
In the cleaning device for the escalator handrail, the second cleaning unit comprises a clean water nozzle, a clean water accommodating tank, a second water pump and a washing roller, the clean water accommodating tank is fixedly arranged below the inlet and outlet channel, the clean water accommodating tank is connected with the clean water nozzle through the second water pump, and the clean water nozzle is arranged between the belt inlet and the washing roller; the two washing rollers and the two clear water nozzles are respectively arranged on the left side and the right side of the inlet and outlet channel; the second water pump and the washing roller are respectively connected with the driving device.
In the cleaning device for the escalator handrail, the air drying mechanism comprises an air knife and a fan, the fan is fixedly arranged below the access passage, the fan is connected with the air knife through an air supply pipeline, and the fan is connected with the driving device; the air knife comprises two air knives which are respectively arranged on the left side and the right side of the access passage.
In the cleaning device for the escalator handrail, the disinfection mechanism comprises a first disinfection unit and a second disinfection unit which are sequentially arranged along the in-out direction of the escalator handrail.
In the cleaning device for the escalator handrail, the first disinfection unit comprises a disinfectant nozzle, a disinfectant containing tank and a third water pump, the disinfectant containing tank is fixedly arranged below the access passage, and the disinfectant containing tank is connected with the disinfectant nozzle through the third water pump; the two disinfectant nozzles are respectively arranged on the left side and the right side of the access passage; the third water pump is connected with the driving device.
In the cleaning device for the escalator handrail, the second disinfection unit comprises two ultraviolet germicidal lamps, the two ultraviolet germicidal lamps are arranged on the left side and the right side of the access passage respectively, and the ultraviolet germicidal lamps are connected with the driving device.
In the cleaning device for the escalator handrail, two dry wiping rollers are further arranged in the shell, the two dry wiping rollers are respectively arranged on the left side and the right side of the access passage, and the dry wiping rollers are positioned between the belt inlet and the cleaning mechanism.
Has the advantages that:
the utility model provides an automatic cleaning device of staircase handrail area, it has following advantage:
(1) the hand strap cleaning and disinfecting device comprises a cleaning mechanism for cleaning the hand strap, an air drying mechanism for drying the hand strap and a disinfecting mechanism for disinfecting the hand strap, wherein the cleaning mechanism, the air drying mechanism and the disinfecting mechanism are matched, so that the hand strap can be effectively cleaned, and the cleanness and the sanitation of the hand strap are ensured;
(2) the cleaning device comprises a horizontal roller arranged below an inlet and outlet channel, wherein the horizontal roller can wipe off dust and stains on the surface of the handrail belt, so that the cleaning effect of the cleaning device on the surface of the handrail belt is improved;
(3) the first hairbrush assembly is arranged at the belt inlet, the second hairbrush assembly is arranged at the belt outlet, the handrail belt entering and exiting the cleaning device is further cleaned, and the cleaning effect of the cleaning device on the handrail belt can be further improved.
Drawings
Fig. 1 is a schematic structural view of a top view angle of the cleaning device provided by the present invention;
fig. 2 is a front cross-sectional view of a cleaning device provided by the present invention;
fig. 3 is a side sectional view of the cleaning device provided by the present invention.
Description of the main element symbols: 1-shell, 11-first brush component, 12-second brush component, 13-horizontal roller, 21-control motor, 22-speed reducer, 31-cleaning liquid nozzle, 32-cleaning liquid holding tank, 33-first water pump, 34-cleaning roller, 41-clear water nozzle, 42-clear water holding tank, 43-second water pump, 44-water cleaning roller, 51-air knife, 52-blower, 61-disinfectant nozzle, 62-disinfectant holding tank, 63-third water pump, 7-ultraviolet germicidal lamp, 8-dry wiping roller, 91-handrail belt, 92-support device.
Detailed Description
The utility model provides an automatic cleaning device of staircase handrail area, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment of lifting is the utility model discloses do further detailed description.
In the description of the present invention, it should be understood that the terms "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and should not be construed as limiting the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.
Referring to fig. 1 to 3, the utility model provides a cleaning device for an escalator handrail, which comprises a cleaning device and a driving device, wherein the cleaning device comprises a shell 1, two ends of the shell 1 are respectively provided with a belt inlet and a belt outlet, the shell 1 is internally provided with an access passage for realizing the access of the escalator handrail and a cleaning mechanism, an air drying mechanism and a sterilizing mechanism which are sequentially arranged along the access direction of the escalator handrail, and the access passage is respectively connected with the belt inlet and the belt outlet; a first brush component 11 is arranged on the belt inlet, a second brush component 12 is arranged on the belt outlet, a horizontal roller 13 is also arranged in the shell 1, and the horizontal roller 13 is rotatably arranged below the inlet and outlet channel; the cleaning mechanism, the air drying mechanism, the sterilizing mechanism and the horizontal roller 13 are respectively connected with the driving device.
The cleaning device for the hand strap of the escalator can clean, air-dry and disinfect the hand strap 91, thereby ensuring the cleanness and sanitation of the hand strap 91; the first brush assembly 11 and the second brush assembly 12 are respectively arranged at the belt inlet and the belt outlet, so that the handrail belt 91 entering and exiting the cleaning device can be preliminarily and further cleaned, and the cleaning effect of the cleaning device is improved; the horizontal roller 13 is arranged below the access passage, when in actual use, the cleaning device of the escalator handrail is arranged at the rotary section of the handrail 91, namely when the handrail 91 enters the cleaning device of the escalator handrail, the upper surface of the handrail 91 frequently touched by passengers faces downwards, and the horizontal roller 13 is arranged below the access passage, so that dust and stains on the upper surface of the handrail 91 can be effectively cleaned, and the cleaning effect of the cleaning device is improved.
In one embodiment, the first brush assembly 11 comprises a first brush and a first fixing plate, the first brush is fixed on the belt inlet through the first fixing plate, the first brush assembly 11 comprises two groups, and the two groups of the first brush assemblies 11 are respectively arranged on the left side and the right side of the belt inlet; the second brush assembly 12 comprises a second brush and a second fixing plate, the second brush is fixedly arranged on the belt outlet through the second fixing plate, the second brush assembly 12 comprises two groups, and the two groups of second brush assemblies 12 are respectively arranged on the left side and the right side of the belt outlet.
In one embodiment, referring to fig. 3, the horizontal roller 13 may include a plurality of horizontal rollers 13, the plurality of horizontal rollers 13 are uniformly and rotatably disposed in the housing 1 along the moving direction of the escalator handrail, and the horizontal rollers 13 are rotatably connected to the left and right side walls of the housing 1; in another embodiment, the horizontal roller may comprise one, and the horizontal roller passes through the housing and is parallel to the access passage, that is, the horizontal roller is rotatably connected to the front side wall and the rear side wall of the housing.
In one embodiment, the horizontal roller 13 is rotatably disposed in the housing 1 through a rotating shaft and a bearing, and the horizontal roller 13 is in transmission connection with a speed reducer 22 of the driving device through a chain and a chain wheel.
Further, referring to fig. 1 and 2, the driving device includes a control device, and a control motor 21 and a speed reducer 22 electrically connected to the control device, respectively, and the cleaning mechanism, the air drying mechanism and the sterilizing mechanism are electrically connected to the control device, respectively; the speed reducer 22 is in transmission connection with the control motor 21, and the cleaning mechanism, the air drying mechanism, the disinfecting mechanism and the horizontal roller 13 are in transmission connection with the speed reducer 22 respectively; in one embodiment, the control device is a PLC controller.
When the handrail 91 of the escalator starts to operate, the control device controls the cleaning device of the escalator handrail to start to work, namely the horizontal roller 13, the cleaning mechanism, the air drying mechanism, the sterilizing mechanism, the control motor 21 and the speed reducer 22 start to work simultaneously; the working time and working duration of the cleaning device of the escalator handrail can be preset in the control device, for example, the cleaning device can be set to start working at 9 am and 4 pm every day for half an hour, namely 9 am and 30 min and 4 pm and 30 min every day, and the cleaning device of the escalator handrail stops working.
Further, referring to fig. 1 and 3, the cleaning mechanism includes a first cleaning unit and a second cleaning unit sequentially disposed along an in-out direction of the handrail of the escalator, the first cleaning unit performs cleaning solution cleaning on the handrail 91, and the second cleaning unit performs clean water cleaning on the handrail 91.
Further, referring to fig. 1 and fig. 3, the first cleaning unit includes a cleaning solution nozzle 31, a cleaning solution holding tank 32, a first water pump 33 and a cleaning roller 34, the cleaning solution holding tank 32 is fixedly disposed below the inlet/outlet channel, the cleaning solution holding tank 32 is connected to the cleaning solution nozzle 31 through the first water pump 33, and the cleaning solution nozzle 31 is disposed between the belt inlet and the cleaning roller 34; the cleaning rollers 34 and the cleaning liquid nozzles 31 respectively comprise two, and the two cleaning rollers 34 and the two cleaning liquid nozzles 31 are respectively arranged on the left side and the right side of the inlet and outlet channel; the first water pump 33 is electrically connected with the control device, and the cleaning roller 34 is in transmission connection with the speed reducer 22; in one embodiment, the cleaning roller 34 is rotatably disposed in the housing 1 through a rotating shaft and a bearing, and the cleaning roller 34 is in transmission connection with the speed reducer 22 through a chain and a chain wheel.
When the control device detects that the handrail 91 starts to operate, the first cleaning unit starts to operate, the first water pump 33 conveys the cleaning liquid from the cleaning liquid containing tank 32 to the cleaning liquid nozzle 31, the cleaning liquid nozzle 31 sprays the cleaning liquid to the surface of the handrail 91, and the cleaning roller 34 is matched with the horizontal roller 13 to clean the outer surface of the handrail 91 with the cleaning liquid.
Further, referring to fig. 1 and fig. 3, the second cleaning unit includes a clean water nozzle 41, a clean water accommodating tank 42, a second water pump 43 and a washing roller 44, the clean water accommodating tank 42 is fixedly disposed below the inlet/outlet channel, the clean water accommodating tank 42 is connected to the clean water nozzle 41 through the second water pump 43, and the clean water nozzle 41 is disposed between the belt inlet and the washing roller 44; the two water washing rollers 44 and the two clear water nozzles 41 are respectively arranged on the left side and the right side of the access passage; the second water pump 43 is electrically connected with the control device, and the washing roller 44 is in transmission connection with the speed reducer 22; in one embodiment, the washing roller 44 is rotatably disposed in the housing 1 through a rotating shaft and a bearing, and the washing roller 44 is in transmission connection with the speed reducer 22 through a chain and a sprocket.
When the control device detects that the handrail belt 91 starts to run, the second cleaning unit starts to work, the second water pump 43 conveys clean water to the clean water nozzle 41 from the clean water accommodating tank 42, the clean water nozzle 41 sprays the water to the surface of the handrail belt 91, and the water washing roller 44 is matched with the horizontal roller 13 to clean the outer surface of the handrail belt 91 with the clean water.
Further, referring to fig. 1 and fig. 3, the air drying mechanism includes an air knife 51 and a fan 52, the fan 52 is fixedly disposed below the inlet/outlet channel, the fan 52 is connected to the air knife 51 through an air supply pipeline, and the fan 52 is electrically connected to the control device; the air knives 51 comprise two air knives 51, and the two air knives 51 are respectively arranged on the left side and the right side of the access passage.
Further, please refer to fig. 1 and 3, the sterilizing mechanism includes a first sterilizing unit and a second sterilizing unit sequentially disposed along the in-out direction of the handrail of the escalator, the first sterilizing unit performs sterilizing liquid sterilization on the handrail 91, and the second sterilizing unit performs ultraviolet sterilization and sterilization on the handrail 91.
Further, referring to fig. 1 and fig. 3, the first disinfection unit includes a disinfectant nozzle 61, a disinfectant tank 62 and a third water pump 63, the disinfectant tank 62 is fixedly disposed below the access passage, and the disinfectant tank 62 is connected to the disinfectant nozzle 61 through the third water pump 63; the two disinfectant nozzles 61 are respectively arranged on the left side and the right side of the access passage; the third water pump 63 is electrically connected to the control device.
When the control device detects that the hand strap 91 starts to operate, the first disinfection unit starts to operate, the third water pump 63 conveys the disinfectant from the disinfectant containing tank 62 to the disinfectant nozzle 61, and the disinfectant nozzle 61 sprays the disinfectant onto the surface of the hand strap 91 to disinfect the outer surface of the hand strap 91 with the disinfectant.
Further, referring to fig. 1, the second sterilization unit includes two ultraviolet germicidal lamps 7, the two ultraviolet germicidal lamps 7 are respectively disposed on the left side and the right side of the access passage, and the ultraviolet germicidal lamps 7 are electrically connected to the control device.
When the control device detects that the handrail 91 starts to operate, the second sterilizing unit starts to operate, the ultraviolet germicidal lamp 7 is continuously lighted, and the outer surface of the handrail 91 is sterilized by ultraviolet rays.
Further, referring to fig. 1 and 3, two dry wiping rollers 8 are further disposed in the housing 1, the two dry wiping rollers 8 are respectively disposed on the left side and the right side of the inlet/outlet channel, and the dry wiping roller 8 is located between the belt inlet and the cleaning mechanism; before the handrail 91 is cleaned, the dry wiping roller 8 is firstly used for preliminarily wiping and cleaning the handrail 91, so that the cleaning effect of the cleaning device is further improved; in one embodiment, the dry wiping roller 8 is rotatably disposed in the housing 1 through a rotating shaft and a bearing, and the dry wiping roller 8 is in transmission connection with the speed reducer 22 through a chain and a chain wheel.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (10)
1. The cleaning device for the escalator hand strap is characterized by comprising a cleaning device and a driving device, wherein the cleaning device comprises a shell, a strap inlet and a strap outlet are respectively formed in two ends of the shell, an inlet and outlet channel for realizing the inlet and outlet of the escalator hand strap and a cleaning mechanism, an air drying mechanism and a disinfecting mechanism which are sequentially arranged along the inlet and outlet direction of the escalator hand strap are arranged in the shell, and the inlet and outlet channel is respectively connected with the strap inlet and the strap outlet; the belt inlet is provided with a first hairbrush assembly, the belt outlet is provided with a second hairbrush assembly, the shell is also internally provided with a horizontal roller, and the horizontal roller is rotatably arranged below the inlet and outlet channel; the cleaning mechanism, the air drying mechanism, the sterilizing mechanism and the horizontal roller are respectively connected with the driving device.
2. The cleaning device for the escalator handrail as claimed in claim 1, wherein the driving device comprises a control device, and a control motor and a speed reducer which are electrically connected with the control device respectively, and the cleaning mechanism, the air drying mechanism and the disinfecting structure are electrically connected with the control device respectively; the speed reducer is in transmission connection with the control motor, and the cleaning mechanism, the air drying mechanism, the disinfecting mechanism and the horizontal roller are in transmission connection with the speed reducer respectively.
3. The cleaning device for an escalator handrail according to claim 1, wherein the cleaning mechanism comprises a first cleaning unit and a second cleaning unit arranged in sequence along an in-and-out direction of the escalator handrail.
4. The cleaning device for the escalator handrail as claimed in claim 3, wherein the first cleaning unit comprises a cleaning liquid nozzle, a cleaning liquid holding tank, a first water pump and a cleaning roller, the cleaning liquid holding tank is fixedly arranged below the access passage, the cleaning liquid holding tank is connected with the cleaning liquid nozzle through the first water pump, and the cleaning liquid nozzle is arranged between the belt inlet and the cleaning roller; the cleaning rollers and the cleaning liquid nozzles are respectively arranged on the left side and the right side of the inlet and outlet channel; the first water pump and the cleaning roller are respectively connected with the driving device.
5. The cleaning device for the escalator handrail as claimed in claim 3, wherein the second cleaning unit comprises a clean water nozzle, a clean water containing tank, a second water pump and a washing roller, the clean water containing tank is fixedly arranged below the access passage, the clean water containing tank is connected with the clean water nozzle through the second water pump, and the washing nozzle is arranged between the belt inlet and the washing roller; the two washing rollers and the two clear water nozzles are respectively arranged on the left side and the right side of the inlet and outlet channel; the second water pump and the washing roller are respectively connected with the driving device.
6. The cleaning device for the escalator handrail as claimed in claim 1, wherein the air drying mechanism comprises an air knife and a fan, the fan is fixedly arranged below the entrance/exit passage, the fan is connected with the air knife through an air supply pipeline, and the fan is connected with the driving device; the air knife comprises two air knives which are respectively arranged on the left side and the right side of the access passage.
7. The cleaning device for an escalator handrail according to claim 1, wherein the sterilizing mechanism comprises a first sterilizing unit and a second sterilizing unit which are sequentially disposed along an in-and-out direction of the escalator handrail.
8. The device for cleaning an escalator handrail as claimed in claim 7, wherein the first disinfection unit comprises a disinfectant nozzle, a disinfectant containing tank and a third water pump, the disinfectant containing tank is fixedly arranged below the access channel, and the disinfectant containing tank is connected with the disinfectant nozzle through the third water pump; the two disinfectant nozzles are respectively arranged on the left side and the right side of the access passage; the third water pump is connected with the driving device.
9. The cleaning device for the escalator handrail as claimed in claim 7, wherein the second sterilizing unit comprises two ultraviolet germicidal lamps respectively disposed at the left and right sides of the entrance/exit passage, the ultraviolet germicidal lamps being connected to the driving device.
10. The cleaning device for the handrail of the escalator as claimed in claim 1, wherein two dry wiping rollers are further disposed in the housing, the two dry wiping rollers are disposed on the left side and the right side of the entrance/exit passage, respectively, and the dry wiping rollers are disposed between the entrance and the cleaning mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689458.XU CN213505536U (en) | 2020-08-13 | 2020-08-13 | Cleaning device for escalator handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689458.XU CN213505536U (en) | 2020-08-13 | 2020-08-13 | Cleaning device for escalator handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213505536U true CN213505536U (en) | 2021-06-22 |
Family
ID=76441327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021689458.XU Active CN213505536U (en) | 2020-08-13 | 2020-08-13 | Cleaning device for escalator handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213505536U (en) |
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2020
- 2020-08-13 CN CN202021689458.XU patent/CN213505536U/en active Active
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