CN207485307U - Novel glass window sash - Google Patents
Novel glass window sash Download PDFInfo
- Publication number
- CN207485307U CN207485307U CN201721616992.6U CN201721616992U CN207485307U CN 207485307 U CN207485307 U CN 207485307U CN 201721616992 U CN201721616992 U CN 201721616992U CN 207485307 U CN207485307 U CN 207485307U
- Authority
- CN
- China
- Prior art keywords
- glass
- hole
- connecting plate
- window
- rubber strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 241000239290 Araneae Species 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 238000005201 scrubbing Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 12
- 241001074085 Scophthalmus aquosus Species 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000011800 void material Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 229920002449 FKM Polymers 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The utility model belongs to the technical field of building materials, a novel glass window sash is related to, the major structure includes the window frame, the glass sash, the upper portion through-hole, the lower part through-hole, the sleeve pipe, the sealing washer, the connecting rod, the connecting plate, the draw-in groove, the cardboard, rubber strip and handle, set up the rubber strip respectively at the indoor of glass sash and outdoor, make rubber strip scraping glass sash through rotating the connecting plate, reach the purpose of washing the glass sash, the material of sleeve pipe, the sealing washer, the draw-in groove, the cardboard, the sealing strip and the handle has fire prevention fire behavior, can reduce the probability that the conflagration takes place, the life of rubber strip is more than ten years, the maintenance and use cost are reduced, the danger of spider man high altitude construction has been avoided, the efficiency of scrubbing outdoor glass window can be realized in indoor simple operation, can be applied to building; the cleaning device is simple in structure, good in cleaning effect, simple and convenient to operate, easy to realize, environment-friendly, energy-saving and environment-friendly.
Description
Technical field:
The utility model belongs to building material technical field, is related to a kind of glass window sash, indoors simple operations
The effect of can be achieved with cleaning outdoor windowpane can be applied in building curtain wall, sliding window and fixed window construction, avoid spider
Spider people cleans the intensive work amount and high risk of glass.
Background technology:
Window (window) refers to the hole built on wall or roof on architecture, to make light or air into entering the room
It is interior;In fact the original idea at window and family respectively refers to window and door, and window then singly refers to window in Modern Chinese;" window " this work " chimney " (" chimney "
For character in popular form), i.e., stay hole on the wall, in frame is window lattice, can with light transmission, can also smoke, afterwards plus " cave " prefix forms ideophone
Word;《Say text》It says:" Yong is said in wall, chimney is said in room.Window or from cave.”;The window of window is by window frame, glass and movable part (hinge
Chain, handle, pulley etc.) three parts composition:Window frame is responsible for supporting the main structure of forms, can be timber, metal, ceramics or plastics
Material, transparent part are attached on window frame, can be paper, cloth, silk or glass material, movable part mainly using metal material as
It is main, it may also be wrapped up with heat-insulating materials such as plastics in the place that human hand touches.With the promotion of civilization of human society degree, building
Height it is higher and higher, the use scope of glass curtain wall is more and more wider, and thing followed glass cleaning problem annoyings high level and builds
The manager built, the glass cleaning of skyscraper is mainly to be completed by artificial at present, dangerous high there are heavy workload,
The drawbacks of financial cost is high, window or window cleaning emperorship with self-cleaning function come into being:Chinese patent
A kind of automatic cleaning apparatus of skyscraper windowpane disclosed in 201710801931.5 includes main traversing tooth plate, main traversing tooth plate
Inside be equipped with latch, on the latch engagement be equipped with walking gear, walking gear is fixedly mounted in the shaft of motor, cleaning head
It is upper that connection detergent box is fixed by detergent pipe, and the external part of electric telescopic rod is fixedly connected on cleaning head, it is electronic to stretch
Contracting bar is fixedly mounted on riser, and main grip block is clamped on the window of glass wall, and the master contacted with glass wall by when use
Rubber pad is equipped on the inside of grip block, starts motor when passing through cleaning, makes it that walking gear be driven to be moved on traversing tooth plate, is driven
Cleaning head on riser moves back and forth, and glass surface is cleaned, and can up and down adjustment cleaning head by electric telescopic rod
Height and position, the clean range of whole device is further increased, by clamping plate by its activity in walking gear walking process
It is engaged on traversing tooth plate, ensures the stability of its movement;A kind of windowpane disclosed in Chinese patent 201710801167.1 is double
The both ends of the transmission shaft of face cleaner are mounted on by two bearing blocks on window frame, and transmission shaft passes through rolling bearing and two bearings
Connection is rolled between seat, two the first U-shaped slideways and two the second U-shaped slideways are vertically installed at the left side inside and outside window frame respectively
On left frame, two transmission ropes wind same number of turns in the same direction at the both ends of transmission shaft respectively, and the first wiper blade passes through two elasticity
Slide plate is slidably connected with two the first U-shaped slideways, and the second wiper blade is slided by two elastic sliding vanes and two the second U-shaped slideways
Connection, the first wiper blade and the second wiper blade are affixed with two transmission ropes;One disclosed in Chinese patent 201710737935.1
Kind windowpane automatic flushing device includes internal drive, exterior washings device, and the internal drive has housing, institute
It states riser of the housing by bottom plate and positioned at bottom plate both sides to form, two motors arranged side by side and drive is fixed on the bottom plate
The pcb board of dynamic motor, one end connection universal wheel of the motor, the other end connection directional wheel of motor, the outside of the riser
Side both ends are provided with idler wheel;The exterior washings device has framework, and sea is respectively arranged on the side of two pairs of the framework
Silk floss is wiped and scraper plate, and universal wheel support base is fixed on the bottom plate of framework;One kind disclosed in Chinese patent 201720184103.7 is certainly
It moves clean intelligent electric-controlled windowpane and includes upper window frame, lower window frame, outer sound insulation glass is respectively arranged between upper window frame and lower window frame
Glass and internal sound insulation glass are void layer between outer sound control glass and internal sound insulation glass, half-light film separation group are provided in void layer
Part, upper window frame are provided with the first bar-shaped trough, and half-light film partition component includes the shaft being set in the first bar-shaped trough, and shaft passes through
Bearing is connected to the both ends of the first bar-shaped trough, and half-light film roll is socketed in shaft, and one end of half-light film roll is connected with a connection strap,
The side of first bar-shaped trough is provided with the second bar-shaped trough, and cleaning assemblies is provided in void layer, and cleaning assemblies includes main suction pipe,
The lower part of main suction pipe equidistantly offers multiple openings, and opening is connected with downwards branch pipe, and the bottom end of branch pipe is both provided with suction nozzle, main
One end of suction pipe is provided with a curved pipe, and curved pipe is communicated in the outside of upper window frame, and main suction pipe and camber pipe junction are provided with
Negative-pressure air fan;A kind of intelligent electric-controlled windowpane disclosed in Chinese patent 201720184101.8 includes upper window frame, lower window frame and two
Side window frame is respectively arranged with outer sound control glass and internal sound insulation glass, the outer sound control glass between the upper window frame and lower window frame
Void layer is formed between the internal sound insulation glass, half-light film partition component and frosted film are set side by side in the void layer
Partition component, the upper window frame side-by-side parallel are provided with the first bar-shaped trough and the second bar-shaped trough, the half-light film partition component packet
The shaft being set in first bar-shaped trough is included, the shaft is connected to the both ends of first bar-shaped trough, institute by bearing
It states and half-light film roll is socketed in shaft, one end of the half-light film roll is connected with a connection strap, the bottom setting of the connection strap
There is the first inductor;A kind of high-building glass window outer surface cleaning device disclosed in Chinese patent 201710549288.1 includes outer
Frame is rotatably connected to screw between the top and bottom of the outline border inner wall, and the thread surface of the screw is connected with movable block,
And transverse slat is fixedly connected on the left of movable block, the left side and right side at the top of the transverse slat have been respectively fixedly connected with tripper
And fixing device, the left slide of the outline border are connected with first clamping plate;It is easily clear disclosed in Chinese patent 201621347733.3
Clean type building windowpane includes main frame, sealing thermal insulation bed course and sub-frame, and the sub-frame is embedded with glass plate, the main frame
There is the annular groove that can accommodate the sealing thermal insulation bed course and the sub-frame, the sealing thermal insulation bed course is located on the medial surface of frame
Between the inner wall of the annular groove and the sub-frame, the inner wall of the annular groove is respectively fixed with inner screw sheath close to its four corners
It manages, the through-hole that the sealing thermal insulation casing passes through can be made by having on the sealing thermal insulation bed course, and having on the sub-frame can make
The hanging hole that the sealing thermal insulation casing passes through, by stretching into the internally threaded sleeve between the sub-frame and the main frame
Bolt is fixed, and the bolt includes shank of bolt, ring set and end, and the outer wall of the shank of bolt has card close to the end point
Slot close to one end of the end is blind end on the ring set, has centre bore on the blind end, the centre bore it is interior
Lateral edges are stretched into the card slot, and are rotatably connected with the card slot, when the shank of bolt screwed in the internally threaded sleeve,
When the sub-frame compresses the sealing thermal insulation bed course under the promotion of the ring set, the end face of the internally threaded sleeve can stretch
Enter in the ring set, and between the blind end of the ring set have gap, at this point, the other end of the ring set with it is described
Sub-frame contradicts;More than patented product generally existing is complicated, and operation and maintenance cost are high, and there are electrical fires for electric part
Hidden danger cannot promote and apply.Therefore, a kind of glass window sash of R & D design, using in building glass curtain wall, sliding window
Or the circular motion of the rubber strip of the interior outside setting of fixed window is scraped and is cleaned the windows to achieve the purpose that clean glass, is had good
Economic and social benefit, it is very promising.
Invention content:
The purpose of the utility model is to overcome shortcomings of the existing technology, seek to design a kind of glass window window
Fan sets rubber strip in the interior outside of building glass curtain wall, sliding window or fixed window, scrapes to clean the windows using the movement of rubber strip and reaches
To the purpose of cleaning glass.
To achieve these goals, the utility model is related to glass window sash agent structure include window frame, glass
Glass fan, upper through-hole, lower through-hole, casing, sealing ring, connecting rod, connecting plate, card slot, snap-gauge, rubber strip and handle;Rectangle
The inner clamps of the window frame of tower structure are equipped with the glass fan of rectangular configuration, and the top of glass fan offers the top of circular configuration
Through-hole, the lower part of glass fan offer the lower through-hole of circular configuration, are provided in upper through-hole and lower through-hole round tubular
The casing of structure, the sealing ring of cyclic structure is provided on glass fan between glass fan and casing, casing is internally provided with circle
The connecting rod of column construction, the both ends of connecting rod are fixedly connected with the connecting plate of platy structure, and connecting plate is towards glass fan
The card slot of rectangular configuration is provided on surface, is provided with the snap-gauge of rectangular plate-like structure in card slot, snap-gauge is towards the table of glass fan
The rubber strip of tri-prismoid structure is provided on face, character "door" form structure is provided on another side surface of indoor connecting plate
Handle.
The utility model is respectively provided with rubber strip compared with prior art, in the indoor and outdoors of glass fan, by turning
Dynamic connecting plate makes rubber strip scrape glass fan, achievees the purpose that clean glass fan, casing, sealing ring, card slot, snap-gauge, sealing strip
There is fire retardant performance with the material of handle, can reduce fire odds, the service life of rubber strip 10 years with
On, repair and use cost are reduced, avoids the danger of spider-man's working at height;Its is simple in structure, and cleaning performance is good, behaviour
Make easy, it is easy to accomplish, environmental protection and energy saving, use environment close friend.
Description of the drawings:
Fig. 1 is the agent structure principle schematic of the utility model.
Fig. 2 be the utility model is related to connecting plate agent structure principle schematic.
Specific embodiment:
The utility model is described in further detail by way of example and in conjunction with the accompanying drawings.
Embodiment 1:
The agent structure of glass window sash that the present embodiment is related to include window frame 1, glass fan 2, upper through-hole 3, under
Portion's through-hole 4, casing 5, sealing ring 6, connecting rod 7, connecting plate 8, card slot 9, snap-gauge 10, rubber strip 11 and handle 12;Rectangular frame
The inner clamps of the window frame 1 of formula structure are equipped with the glass fan 2 of rectangular configuration, and the top of glass fan 2 offers the top of circular configuration
Through-hole 3, the lower part of glass fan 2 offer the lower through-hole 4 of circular configuration, circle are provided in upper through-hole 3 and lower through-hole 4
The casing 5 of tubular structure, is provided with the sealing ring 6 of cyclic structure on glass fan 2 between glass fan 2 and casing 5, casing 5 it is interior
Portion is provided with the connecting rod 7 of cylindrical structure, and the both ends of connecting rod 7 are fixedly connected with the connecting plate of platy structure 8, connecting plate
8 towards the card slot 9 that rectangular configuration is provided on the surface of glass fan 2, and the snap-gauge 10 of rectangular plate-like structure is provided in card slot 9,
Snap-gauge 10 is towards the rubber strip 11 that tri-prismoid structure is provided on the surface of glass fan 2, positioned at the another of indoor connecting plate 8
The handle 12 of character "door" form structure is provided on side surface.
Horizontal plane where the window frame 1 that the present embodiment is related to is identical with the horizontal plane where connecting rod 7, does not influence window frame 1
Push-and-pull;Glass fan 2 includes single layer structure and double-layer structure;Vertical range of the upper through-hole 3 apart from 1 top of window frame is led to lower part
Vertical range of the hole 4 apart from 1 bottom of window frame is identical, the distance between upper through-hole 3 and lower through-hole 4 be less than upper through-hole 3 away from
Vertical range from 1 top of window frame;The material of casing 5 is stainless steel;Sealing ring 6 be viton seal ring, viton seal ring
With excellent anti-flammability, air-tightness, high temperature resistant, resistance to ozone, weatherability, resistance to oxidation, resistance to mineral oil, fuel oil resistance, hydraulic pressure resistant
The performance of oily, resistance to aromatic series and many organic solvents and chemicals, the bottom of sealing ring 6 be plugged on glass fan 2 and casing 5 it
Between, the gap between the top outer ring cover glass fan 2 and casing 5 of sealing ring 6, the top inner ring covering casing 5 of sealing ring 6 with
Gap between connecting rod 7;One end that connecting plate 8 is connect with connecting rod 7 is semicircular structure, and the other end of connecting plate 8 is square
Shape structure;The material of connecting plate 8, card slot 9 and snap-gauge 10 is stainless steel;The material of rubber strip 11 is fluorubber, fluorubber
Chemical stability with height, is one kind that medium-resistance is best in current all elastic body, the heat-resisting quantity of fluorubber
Can be best in current elastomer as silicon rubber, fluorubber can be used for a long time at 250 DEG C, and fluorubber has pole
Good anti-weather-aging property and ozone resistance, the performance after storing 10 years under field conditions (factors) is constant, and fluorubber has
Fabulous vacuum performance, fluorubber have been successfully applied under 10-9 Torrs of vacuum condition, and fluorubber has excellent physical mechanical
Performance, the strength of fluorubber cooperation is between 10-25MPa, and elongation at break is between 150-600%, and tearing toughness is in 2-
Between 7KN/m, electrical property and hygroscopicity the ratio other elastomers of fluorubber are low, can be in low-frequency and low-voltage item as electrically insulating material
It is used under part, fluorubber is bigger to the solubility of gas, and diffusion velocity is smaller, so the gas permeability that aggregate performance comes out
Also it is small;Handle 12 is convenient for manual rotation's connecting plate 8.
The glass window sash that the present embodiment is related to is not provided with card slot in use, from aesthetical point in connecting plate 8
Various patterns are brushed on 9 side surface and handle 12, when needing to clean glass, the spray water directly on indoor glass fan 2
Mist, by opening the sash of side sliding window, fixing the room that other openable sash are cleaned to needs on window or glass curtain wall
Outer glass fan 2 sprays water mist, holds handle 12, rotates indoor connecting plate 8, indoor connecting plate 8 is driven by connecting rod 7
Outdoor connecting plate 8 moves in a circle, and rubber strip 11 scrapes glass surface, achievees the purpose that clean glass fan 2, on glass fan 2
The circumference of the connecting plate 8 in portion intersects with the circumference of the connecting plate 8 of 2 lower part of glass fan, makes the circumference cover glass as possible of connecting plate 8
The surface of fan 2.
Claims (1)
1. a kind of glass window sash, it is characterised in that main body includes window frame, glass fan, upper through-hole, lower through-hole, set
Pipe, sealing ring, connecting rod, connecting plate, card slot, snap-gauge, rubber strip and handle;The inside of the window frame of rectangular frame structure clamps
There is the glass fan of rectangular configuration, the top of glass fan offers the upper through-hole of circular configuration, and the lower part of glass fan offers circle
It is provided with the casing of round tubular structure in the lower through-hole of shape structure, upper through-hole and lower through-hole, glass fan on glass fan
It is provided with the sealing ring of cyclic structure between casing, the connecting rod for being internally provided with cylindrical structure of casing, connecting rod
Both ends are fixedly connected with the connecting plate of platy structure, and connecting plate is towards the card that rectangular configuration is provided on the surface of glass fan
Slot, is provided with the snap-gauge of rectangular plate-like structure in card slot, and snap-gauge is towards being provided with tri-prismoid structure on the surface of glass fan
Rubber strip is provided with the handle of character "door" form structure on another side surface of indoor connecting plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721616992.6U CN207485307U (en) | 2017-11-28 | 2017-11-28 | Novel glass window sash |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721616992.6U CN207485307U (en) | 2017-11-28 | 2017-11-28 | Novel glass window sash |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207485307U true CN207485307U (en) | 2018-06-12 |
Family
ID=62471866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721616992.6U Expired - Fee Related CN207485307U (en) | 2017-11-28 | 2017-11-28 | Novel glass window sash |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207485307U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108894704A (en) * | 2018-06-30 | 2018-11-27 | 安徽安旺门业股份有限公司 | A kind of Multifunctional sun-shading plastic-steel window |
-
2017
- 2017-11-28 CN CN201721616992.6U patent/CN207485307U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108894704A (en) * | 2018-06-30 | 2018-11-27 | 安徽安旺门业股份有限公司 | A kind of Multifunctional sun-shading plastic-steel window |
CN108894704B (en) * | 2018-06-30 | 2020-07-21 | 安徽安旺门业股份有限公司 | Multifunctional sunshade plastic-steel window |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101589936A (en) | A kind of full automatic glass curtain wall cleaning machine | |
CN103352648A (en) | Air-purifying window | |
CN106122052A (en) | A kind of exhaust blower of band automatic cleaning apparatus | |
CN205107544U (en) | A cleaning machine for glass curtain wall | |
CN202044203U (en) | Domestic solar glass window cleaner | |
WO2007079612A1 (en) | A cleaning device | |
CN207485307U (en) | Novel glass window sash | |
CN110485602A (en) | Glass curtain wall with automatic cleaning apparatus | |
CN108248554A (en) | A kind of dedicated Multifunctional skylight of caravan | |
CN108386948B (en) | Novel unpowered fan with dust removal function | |
CN207795007U (en) | A kind of window easy to clean | |
CN205502618U (en) | Outer wall cleaning machine | |
CN209724159U (en) | Sunshading and thermal insulating window with automatic cleaning apparatus | |
CN202858210U (en) | Motor-driven glass brush | |
CN208693150U (en) | A kind of exterior wall cleaning robot for skyscraper | |
CN2899695Y (en) | Cleaner for outdoor glass window | |
CN110748284A (en) | Novel environment-friendly shutter with self-cleaning function | |
CN214282644U (en) | Pig is bred and uses big-arch shelter convenient to clear up inside | |
CN205311553U (en) | Window cleaner | |
CN208792800U (en) | A kind of elevating mechanism that exterior wall glass cleaning uses | |
CN209228021U (en) | A kind of nacelle device of the architectural engineering equipped with telescoping mechanism | |
CN209686804U (en) | A kind of architectural engineering metope scraping device | |
CN209340167U (en) | A kind of axial-flow type smoke exhaust fan | |
CN221255919U (en) | Indoor lighting and ventilation integrated system for large building | |
CN206482537U (en) | Building surface cleaning equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20191128 |
|
CF01 | Termination of patent right due to non-payment of annual fee |