CN221002554U - Heat-insulating energy-saving aluminum-plastic door and window - Google Patents

Heat-insulating energy-saving aluminum-plastic door and window Download PDF

Info

Publication number
CN221002554U
CN221002554U CN202322631174.5U CN202322631174U CN221002554U CN 221002554 U CN221002554 U CN 221002554U CN 202322631174 U CN202322631174 U CN 202322631174U CN 221002554 U CN221002554 U CN 221002554U
Authority
CN
China
Prior art keywords
water
connecting block
heat
brush plate
sliding rail
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.)
Active
Application number
CN202322631174.5U
Other languages
Chinese (zh)
Inventor
李锋
代黄利
王佳慧
李红梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Baoyao Door And Window Technology Co ltd
Original Assignee
Anhui Baoyao Door And Window Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Baoyao Door And Window Technology Co ltd filed Critical Anhui Baoyao Door And Window Technology Co ltd
Priority to CN202322631174.5U priority Critical patent/CN221002554U/en
Application granted granted Critical
Publication of CN221002554U publication Critical patent/CN221002554U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

The utility model relates to a heat-insulating energy-saving aluminum-plastic door and window, which comprises a window frame and a glass body arranged in the window frame, wherein a cleaning mechanism capable of wiping the surface of the glass and spraying water evenly is arranged on one surface of the glass body facing outdoors, the cleaning mechanism is controlled by a driving assembly to move back and forth along the surface of the glass body, a sun shield with a hollow inside is fixed at the upper end of the window frame and used for storing clean water, the sun shield is connected with the cleaning mechanism by a conveying assembly, and a water injection port and a rainwater filtering device are respectively arranged at the upper end of the sun shield and are communicated with the inside of the sun shield.

Description

Heat-insulating energy-saving aluminum-plastic door and window
Technical Field
The utility model relates to the field of doors and windows, in particular to a heat-insulating energy-saving aluminum-plastic door and window.
Background
The aluminium-plastic composite door and window, also called bridge cut-off aluminium door and window, is a new type door and window after aluminium alloy door and window and plastic-steel door and window. The broken bridge aluminum door and window adopts a heat-insulating broken bridge aluminum profile and hollow glass, has an European-style structure, attractive appearance and energy-saving, sound-insulating, noise-proof, dust-proof and water-proof functions. The heat conduction coefficient K value of the door and window is below 3W/m < 2 >. K, the heat dissipation of the door and window is reduced by half compared with that of a common door and window, the heating cost is reduced by about 30%, the sound insulation amount is above 29 dB, and the water tightness and the air tightness are good and all reach the national A1 type window standard. For example, patent application number 2021228022536.3 seals the gap between window frame and center pillar under seal assembly's effect, has avoided the giving off of heat, simultaneously under two cavity glass's effect for its heat transfer is slower, has increased thermal-insulated performance.
In view of the above related art, the inventors consider that the device has a defect of inconvenient cleaning during use, mainly dust and dirt are easily stained on the surface of glass facing outdoors, and cleaning is time-consuming and laborious.
Disclosure of utility model
In order to solve the problems in the background technology, the utility model provides a heat-insulating energy-saving aluminum-plastic door and window.
The utility model adopts the following technical scheme: the utility model provides a thermal-insulated energy-saving plastic-aluminum door and window, includes the window frame and installs the glass body in the window frame, be equipped with the wiper mechanism that can clean glass surface again can even water spray on the glass body face outside the one side, wiper mechanism passes through drive assembly control its along glass body surface round trip movement, the window frame upper end is fixed with inside hollow sunshading board and is used for storing clean water, is connected sunshading board and wiper mechanism through being provided with conveying assembly, sunshading board upper end is equipped with water injection port and rainwater filter equipment respectively and all communicates with the sunshading board is inside.
As the preferred cleaning mechanism of the utility model, the cleaning mechanism comprises a brush plate, wherein the interior of the brush plate is of a cavity structure, a brush is fixed at one end of the brush plate, which is close to the glass body, and a plurality of water spray ports are arranged on the end surface of one side, which is fixed by the brush plate and the brush, at equal intervals.
Preferably, the cross-sectional length of the brush plate is greater than the length of the glass body.
As the preferable mode of the utility model, the driving assembly comprises a first sliding rail and a second sliding rail which are respectively fixed at two ends of the window frame, a first sliding block and a second sliding block which can slide are respectively arranged in the first sliding rail and the second sliding rail, one ends of the first sliding block and the second sliding block, which extend outwards, are respectively fixed with a first connecting block and a second connecting block, and the first connecting block and the second connecting block are respectively connected with two ends of the brush plate.
As the preferable one of the utility model, the first slide rail is internally fixed with a slide bar, the slide bar penetrates through the first slide block and is movably connected with the first slide block, the second slide rail is rotationally connected with a transmission screw rod, the transmission screw rod penetrates through the second slide block and is in threaded connection with the second slide block, the outer side of one end of the second slide rail far away from the sun shield is fixed with a driving motor, and an output shaft of the second slide rail penetrates through the second slide rail and is fixedly connected with one end of the transmission screw rod.
As the preferred mode of the utility model, the conveying assembly comprises a first micro water pump and a second micro water pump which are respectively arranged in a first connecting block and a second connecting block, the inside of the sun shield is separated from the middle by a baffle plate and is divided into a first water storage bin and a second water storage bin, the first water storage bin and the first connecting block are mutually communicated through a first water pipe, one end of the first water pipe extends towards the inside of the first connecting block and is communicated with one end of a water inlet of the first micro water pump, and one end of a water outlet of the first micro water pump is communicated with the inside of the brush plate.
As the preferable mode of the utility model, the second water storage bin is communicated with the second connecting block through a second water pipe, one end of the second water pipe extends to the inside of the second connecting block and is communicated with one end of a water inlet of the second miniature water pump, and one end of a water outlet of the second miniature water pump is communicated with the inside of the brush plate.
As a preferable mode of the utility model, sealing plugs are fixed at the joints of the two ends of the first water pipe and the two ends of the second water pipe.
As the preferable mode of the utility model, the rainwater filtering device comprises a funnel-shaped water collecting port and a filtering pipe which is integrally formed and communicated with the lower end of the water collecting port, wherein a first filter screen, an activated carbon layer and a second filter screen are sequentially fixed inside the filtering pipe along the vertical direction.
Preferably, the mesh size of the second filter screen is smaller than that of the first filter screen.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the driving screw is controlled to rotate by the driving motor, the driving screw rotates and drives the second sliding block to slide along the second sliding rail, the second sliding block slides and drives the second connecting block and the brush plate to move back and forth, and a plurality of water spray ports which are arranged at equal intervals are arranged on the brush plate to be matched with the brush, so that the glass facing outdoors on the door and window can be conveniently cleaned, and cleaning water can be controlled to be uniformly sprayed on the surface of the glass, so that the cleaning efficiency of the brush and the cleanliness of the glass are improved.
2. According to the utility model, the water injection port and the rainwater filtering device are arranged, so that clean water and filtered and decontaminated rainwater can be conveniently poured into the first water storage bin and the second water storage bin, the glass can be cleaned in a self-water adding mode, the filtered rainwater can be used for cleaning the glass, the rainwater is recycled, and water resources are saved to a certain extent.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the partial structure of FIG. 1 according to the present utility model;
FIG. 3 is a partial structural cross-sectional view of FIG. 1 in accordance with the present utility model;
Fig. 4 is a top cross-sectional view of the brush plate and brush structure of the present utility model.
In the figure: 1. a window frame; 11. a first slide rail; 111. a first slider; 112. a slide bar; 12. a second slide rail; 121. a second slider; 122. a transmission screw rod; 13. a first connection block; 14. a second connection block; 2. a glass body; 3. a cleaning mechanism; 31. brushing a plate; 311. a water jet; 32. a brush; 4. a sun visor; 41. a water filling port; 42. a first water storage bin; 43. a second water storage bin; 5. a driving motor; 6. a first micro water pump; 61. a first water pipe; 7. a second micro water pump; 71. a second water pipe; 8. a rain water filtering device; 81. a water collecting port; 82. a filter tube; 811. a first filter screen; 812. an activated carbon layer; 813. and a second filter screen.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Embodiment one:
Referring to fig. 1-4, the utility model provides a heat-insulating energy-saving aluminum plastic door and window, which is mainly suitable for balconies, and comprises a window frame 1 and a glass body 2 installed in the window frame 1, wherein a cleaning mechanism 3 capable of wiping the surface of the glass and spraying water evenly is arranged on the surface of the glass body 2, the cleaning mechanism 3 is controlled to move back and forth along the surface of the glass body 2 through a driving component, the cleaning mechanism 3 is arranged to conveniently clean glass facing outdoors, clean water can be controlled to be sprayed on the surface of the glass evenly, the cleaning efficiency and the cleanliness of the glass are improved, a sun visor 4 with hollow inside is fixed at the upper end of the window frame 1 and is used for storing clean water, the sun visor 4 is connected with the cleaning mechanism 3 through a conveying component, both a water filling port 41 and a rainwater filtering device 8 are respectively arranged at the upper end of the sun visor 4 and are communicated with the inside of the sun visor 4, and the water filling port 41 and the water filtering device 8 are matched, and a user can be connected with the water filling port 41 through a water pipe to carry out water filling, the rainwater filtering device is positioned at the upper end of the sun visor, so that rainwater is convenient to collect rainwater, and a user can clean rainwater by self to clean the glass through the water filling port 41, the water filling port can be used to clean water, after the water filtering device can use, and a certain degree of rainwater can be used to clean and the rainwater.
Referring to fig. 1-4, the cleaning mechanism 3 includes a brush plate 31, the brush plate 31 has a cavity structure, a brush 32 is fixed at one end of the brush plate 31 near the glass body 2, and a plurality of water spray ports 311 are provided at equal intervals on an end surface of one side of the brush plate 31 fixed with the brush 32, the water spray ports 311 are used for uniformly spraying cleaning water onto the glass surface, dust and dirt on the glass surface are convenient to wipe, the length of the cross section of the brush plate 31 is greater than the length of the glass body 2, the length of the brush plate 31 is greater than the length of the glass body 2, the brush 32 convenient to install cleans the glass surface, and no dead angle is left.
Referring to fig. 1-3, the driving assembly includes a first slide rail 11 and a second slide rail 12 respectively fixed at two ends of the window frame 1, a first sliding block 111 and a second sliding block 121 are respectively provided on the first slide rail 11 and the second slide rail 12, a first connecting block 13 and a second connecting block 14 are respectively fixed at one end of the first sliding block 111 and one end of the second sliding block 121 extending outwards, the first connecting block 13 and the second connecting block 14 are respectively connected with two ends of the brush plate 31, the brush plate 31 is controlled to move back and forth along the first slide rail 11 and the second slide rail 12 through the first connecting block 13 and the second connecting block 14 so as to clean the glass surface, the first sliding rail 11 is internally fixed with a sliding rod 112, the sliding rod 112 penetrates through the first sliding block 111 and is movably connected with the first sliding block, the second sliding rail 12 is rotationally connected with a transmission screw rod 122, the transmission screw rod 122 penetrates through the second sliding block 121 and is in threaded connection with the second sliding block, a driving motor 5 is fixed on the outer side of one end, far away from the sun shield 4, of the second sliding rail 12, an output shaft penetrates through the second sliding rail 12 and is fixedly connected with one end of the transmission screw rod, the transmission screw rod 122 is controlled to rotate through the driving motor 5, the transmission screw rod 122 rotates and simultaneously drives the second sliding block 121 to slide along the second sliding rail 12, the second sliding block 121 drives the second connecting block 14 and the brush plate 31 to move, and in the moving process of the brush plate 31, the first sliding block 111 slides along the sliding rod 112 to play an auxiliary moving role.
Referring to fig. 1, 3 and 4, the conveying assembly includes a first micro water pump 6 and a second micro water pump 7, which are respectively installed in the first connecting block 13 and the second connecting block 14, the inside of the sun shield 4 is separated from the middle by a partition board and is divided into a first water storage bin 42 and a second water storage bin 43, the first water storage bin 42 is communicated with the first connecting block 13 by a first water pipe 61, one end of the first water pipe 61 extends towards the inside of the first connecting block 13 and is communicated with one end of a water inlet of the first micro water pump 6, one end of a water outlet of the first micro water pump 6 is communicated with the inside of the brush plate 31, cleaning water in the first water storage bin 42 is conveniently conveyed into a cavity of the brush plate 31 by starting the first micro water pump 6, and is sprayed out by a water spraying port 311, and sealing plugs are fixed at the joints of the two ends of the first water pipe 61 and the two ends of the second water pipe 71.
The specific operation mode of the first embodiment of the utility model is as follows:
When the glass surface needs to be cleaned, cleaning water is poured into the first water storage bin 42 through the water filling port 41, the first micro water pump 6 is started to convey the cleaning water in the first water storage bin 42 into the cavity of the brush plate 31 through the first water pipe 61, meanwhile, the driving motor 5 is started to control the transmission screw 122 to rotate, the transmission screw 122 rotates and drives the second sliding block 121 to slide along the second sliding rail 12, the second sliding block 121 slides and simultaneously drives the second connecting block 14 and the brush plate 31 to move, the brush plate 31 evenly sprays the cleaning water onto the glass surface through the water spraying port 311 in the moving process of the first sliding rail 11 and the second sliding rail 12, and the brush 32 wipes and cleans dust stains on the glass when spraying water.
Embodiment two:
Please refer to fig. 1, fig. 3, and what is different from the first embodiment is that the second embodiment is that the glass surface is cleaned after the collected rainwater is filtered and decontaminated, the second water storage bin 43 is mutually communicated with the second connecting block 14 through the second water pipe 71, one end of the second water pipe 71 extends to the inside of the second connecting block 14 and is communicated with one end of the water inlet of the second micro water pump 7, one end of the water outlet of the second micro water pump 7 is communicated with the inside of the brush plate 31, the collected rainwater is conveniently conveyed into the cavity of the brush plate 31 by starting the second micro water pump 7, the water outlet 311 is sprayed out, the rainwater filtering device 8 comprises a funnel-shaped water collecting port 81 and a filter pipe 82 integrally formed and communicated with the lower end of the water collecting port 81, the filter pipe 82 is internally provided with a first filter screen 811, an activated carbon layer 812 and a second filter screen 813 along the vertical direction in sequence, the collected rainwater is conveniently collected by setting the funnel-shaped water collecting port 81, the collected rainwater is conveniently filtered by setting the first filter screen 811, the activated carbon layer 812 and the second filter screen 813, the collected rainwater is conveniently polluted by the step, the water is conveniently filtered by the second filter screen 813, and the water is further filtered by the filter screen 813 has small pore diameter, and the impurity is convenient to clean after the filter screen is filtered and the impurity is further filtered by the filter screen is clean, and the filter screen is more than the filter screen 813 is convenient.
The specific operation mode of the second embodiment of the utility model is as follows:
Rainwater falls into filter tube 82 through water collecting port 81, and then sequentially passes through first filter screen 811, activated carbon layer 812 and second filter screen 813 arranged in filter tube 82 to filter the collected rainwater step by step, and the rainwater with impurities filtered out flows into second water storage bin 43, and after a certain amount of rainwater is stored in second water storage bin 43, the rainwater in second water storage bin 43 is conveyed into the cavity of brush plate 31 by starting second micro water pump 7, and then is sprayed out through water spraying port 311.
Embodiment III:
In the third embodiment, the operation modes of the first embodiment and the second embodiment are combined, the first micro water pump 6 and the second micro water pump 7 are started to simultaneously convey water in the first water storage bin 42 and rainwater in the second water storage bin 43 into the cavity of the brush plate 31, so that the problem that when the collected rainwater is insufficient for cleaning glass, the water quantity required by cleaning is supplemented by self-water adding is solved, and a part of water resources are saved.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (10)

1. The utility model provides a thermal-insulated energy-saving plastic-aluminum door and window, includes window frame (1) and installs glass body (2) in window frame (1), its characterized in that: a cleaning mechanism (3) which can wipe the surface of the glass and can uniformly spray water is arranged on one surface of the glass body (2) facing the outside, and the cleaning mechanism (3) is controlled by a driving component to move back and forth along the surface of the glass body (2);
The novel rain-water-saving type window frame is characterized in that a hollow sun shield (4) is fixed at the upper end of the window frame (1) and used for storing clean water, the sun shield (4) is connected with a cleaning mechanism (3) through a conveying assembly, and a water filling port (41) and a rain water filtering device (8) are respectively arranged at the upper end of the sun shield (4) and are communicated with the inside of the sun shield (4).
2. The heat-insulating energy-saving aluminum-plastic door and window according to claim 1, wherein: the cleaning mechanism (3) comprises a brush plate (31), a cavity structure is formed in the brush plate (31), a hairbrush (32) is fixed at one end, close to the glass body (2), of the brush plate (31), and a plurality of water spraying ports (311) are formed in the end face of one side, fixed with the hairbrush (32), of the brush plate (31) at equal intervals.
3. The heat-insulating energy-saving aluminum-plastic door and window according to claim 2, wherein: the length of the cross section of the brush plate (31) is larger than the length of the glass body (2).
4. The heat-insulating energy-saving aluminum-plastic door and window according to claim 2, wherein: the driving assembly comprises a first sliding rail (11) and a second sliding rail (12), the first sliding rail (11) and the second sliding rail (12) are respectively fixed at two ends of the window frame (1), a first sliding block (111) and a second sliding block (121) which can slide are respectively arranged in the first sliding rail and the second sliding rail (12), one ends, extending outwards, of the first sliding block (111) and the second sliding block (121) are respectively fixed with a first connecting block (13) and a second connecting block (14), and the first connecting block (13) and the second connecting block (14) are respectively connected with two ends of the brush plate (31).
5. The heat-insulating energy-saving aluminum-plastic door and window according to claim 4, wherein: the novel sun visor is characterized in that a sliding rod (112) is fixed in the first sliding rail (11), the sliding rod (112) penetrates through the first sliding block (111) and is movably connected with the first sliding block, a transmission screw rod (122) is rotationally connected with the second sliding rail (12), the transmission screw rod (122) penetrates through the second sliding block (121) and is in threaded connection with the second sliding block, a driving motor (5) is fixed on the outer side of one end, far away from the sun visor (4), of the second sliding rail (12), and an output shaft of the driving motor penetrates through the second sliding rail (12) and is fixedly connected with one end of the transmission screw rod.
6. The heat-insulating energy-saving aluminum-plastic door and window according to claim 1, wherein: the conveying assembly comprises a first micro water pump (6) and a second micro water pump (7), the first micro water pump and the second micro water pump are respectively arranged in a first connecting block (13) and a second connecting block (14), the inside of the sun shield (4) is separated from the middle by a partition plate and is divided into a first water storage bin (42) and a second water storage bin (43), the first water storage bin (42) and the first connecting block (13) are mutually communicated through a first water pipe (61), one end of the first water pipe (61) extends towards the inside of the first connecting block (13) and is communicated with one end of a water inlet of the first micro water pump (6), and one end of a water outlet of the first micro water pump (6) is communicated with the inside of the brush plate (31).
7. The heat-insulating energy-saving aluminum-plastic door and window according to claim 6, wherein: the second water storage bin (43) is communicated with the second connecting block (14) through a second water pipe (71), one end of the second water pipe (71) extends towards the inside of the second connecting block (14) and is communicated with one end of a water inlet of the second miniature water pump (7), and one end of a water outlet of the second miniature water pump (7) is communicated with the inside of the brush plate (31).
8. The heat-insulating energy-saving aluminum-plastic door and window according to claim 6 or 7, wherein: sealing plugs are fixed at the joints of the two ends of the first water pipe (61) and the two ends of the second water pipe (71).
9. The heat-insulating energy-saving aluminum-plastic door and window according to claim 1, wherein: rainwater filter equipment (8) are including funnel-shaped water collecting port (81) to and filter tube (82) that water collecting port (81) lower extreme integrated into one piece and intercommunication, inside first filter screen (811), active carbon layer (812) and second filter screen (813) of being fixed with in proper order along the vertical direction of filter tube (82).
10. The heat-insulating energy-saving aluminum-plastic door and window according to claim 9, wherein: the mesh size of the second filter screen (813) is smaller than that of the first filter screen (811).
CN202322631174.5U 2023-09-26 2023-09-26 Heat-insulating energy-saving aluminum-plastic door and window Active CN221002554U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322631174.5U CN221002554U (en) 2023-09-26 2023-09-26 Heat-insulating energy-saving aluminum-plastic door and window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322631174.5U CN221002554U (en) 2023-09-26 2023-09-26 Heat-insulating energy-saving aluminum-plastic door and window

Publications (1)

Publication Number Publication Date
CN221002554U true CN221002554U (en) 2024-05-24

Family

ID=91122140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322631174.5U Active CN221002554U (en) 2023-09-26 2023-09-26 Heat-insulating energy-saving aluminum-plastic door and window

Country Status (1)

Country Link
CN (1) CN221002554U (en)

Similar Documents

Publication Publication Date Title
CN113027311B (en) Aluminum alloy door and window with self-cleaning function
CN109818564B (en) Solar cell panel cleaning equipment
CN210266920U (en) Multifunctional wall washing lamp
CN114086869A (en) Clear up window structure
CN221002554U (en) Heat-insulating energy-saving aluminum-plastic door and window
CN110644887A (en) Door and window convenient to scrub and scrub structure
CN112360317A (en) Novel ventilation energy-saving aluminum alloy door and window
CN219431739U (en) Built-in shutter glass
CN109398238A (en) A kind of automobile rearview mirror going water mist function with dedusting
CN115198941A (en) Anti-seismic unitized curtain wall structure and installation method thereof
CN113879257B (en) Dust removal device for automobile sunroof and application method of dust removal device
CN114934741A (en) Sunshade window with self-cleaning function
CN220791081U (en) Environment-friendly energy-saving bridge-cut-off aluminum window
CN213189383U (en) Environmental protection curtain for building engineering
CN213758040U (en) Heat-insulating energy-saving window
CN220486827U (en) Building decoration glass curtain wall structure
CN216690820U (en) Explosion-proof LOW-E hollow glass
CN217974968U (en) Building glass curtain wall
CN220979316U (en) Self-cleaning window
CN220599624U (en) Electric suction window made of ultralow-energy-consumption material
CN114508190B (en) Unit spliced glass curtain wall
CN215166934U (en) Mounting structure of double-layer glass curtain wall
CN218623903U (en) Multifunctional aluminum profile window
CN217696376U (en) Energy-saving translational aluminum alloy door and window
CN216358526U (en) Intelligent glass cleaning equipment for cleaning household window

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant