CN114287824B - Smart home dust collector - Google Patents
Smart home dust collector Download PDFInfo
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- CN114287824B CN114287824B CN202111381531.6A CN202111381531A CN114287824B CN 114287824 B CN114287824 B CN 114287824B CN 202111381531 A CN202111381531 A CN 202111381531A CN 114287824 B CN114287824 B CN 114287824B
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- back suction
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 67
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 42
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 13
- 238000007664 blowing Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Cleaning In General (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field related to smart home and discloses a smart home dust collector, which comprises a dust collection hard pipe, wherein a filtering storage body is detachably arranged on the dust collection hard pipe, an air flow motor body is detachably arranged on the filtering storage body, a handheld structure is rotatably arranged on the outer wall of the air flow motor body, an air inlet and back suction device is rotatably arranged on the dust collection hard pipe, and the air inlet and back suction device comprises a back suction functional body; according to the intelligent household dust collector, through the arrangement of the air inlet and back suction device, the front end and two sides of the air inlet and back suction device are provided with the corner processing devices, in the using process, the back suction end of the common dust collector has an air flow back suction blind area in the wall pasting process, and negative pressure air flow cannot effectively clean dust in corners and wall ravines due to the positions and the structural reasons of the dust suction end.
Description
Technical Field
The invention relates to the technical field of intelligent home, in particular to an intelligent home dust collector.
Background
Along with development of science and technology, the science and technology has changed people's life, clear up indoor environment through the dust catcher in present house life and clear up the impurity that dust and piece class are difficult to clean, and the dust catcher possesses better cleaning performance through negative pressure suction to lighter less dust hair etc. however, the effect that the dust catcher is to corner or be located the difficult angle etc. position of changing of stenosis is not good, can't effectively handle the piece in corner or narrow position and make its cleaning performance influenced by reasons such as place, space, position very much.
Disclosure of Invention
The invention aims to provide an intelligent household dust collector which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
The intelligent household dust collector comprises a dust collection hard tube, wherein a filtering storage body is arranged on the dust collection hard tube, an air current machine body is arranged on the filtering storage body, a handheld structure is rotatably arranged on the outer wall of the air current machine body, an air inlet and return suction device is rotatably arranged on the dust collection hard tube, the air inlet and return suction device comprises a return suction functional body, an air flow suction cavity is arranged on the inner wall of the return suction functional body, the air flow suction cavity is communicated with the dust collection hard tube, a return suction range groove is formed in the bottom of the return suction functional body, a return rolling functional groove is formed in the return suction functional body, a return rolling towel body is rotatably arranged in the return rolling functional groove, corner processing devices are arranged at the front end and the side of the return suction functional body, the corner processing devices comprise a return air transmission plate capable of sliding and extending, a functional frame is rotatably arranged in the return air transmission plate, a return air flow ejection plate is arranged on the functional plate, an adhesive wall suction plate capable of sucking air flow is arranged on the outer wall of the functional plate, and a rubber pad is arranged at the bottom of the scraping function plate.
According to a further technical scheme, the retraction air delivery plate is slidably mounted in the air pressure sliding tube, a rebound piston plate is slidably mounted in the air pressure sliding tube, the rebound piston plate is connected with the retraction air delivery plate, an air delivery inner groove is formed in the retraction air delivery plate, the rebound piston plate is provided with a one-way communication valve, the air delivery inner groove is communicated with the one-way communication valve, the rebound piston plate is provided with a reset spring, and a driving electromagnet is mounted in the air pressure sliding tube.
Further technical scheme, be equipped with the transmission smooth chamber in the function frame, the transmission smooth chamber with pass gas inside groove intercommunication, transmission sliding plate is installed to transmission smooth intracavity sliding motion, the transfer line is installed to transmission sliding plate, the supporting spring is installed to the transfer line, the transfer line end is rotated and is installed the function board, the magnet piece is installed to transmission smooth intracavity.
Further technical scheme, the function board inner wall is equipped with the output groove, output groove end mounting the air current blowout board, the output groove intercommunication has the gas transmission pipe, the gas transmission pipe end communicate in the smooth chamber of transmission, the function board inner wall is equipped with the adherence and sucks back the chamber, the adherence is sucked back the chamber and is installed the adherence is sucked back the board, adherence is sucked back the chamber intercommunication and is had the muffler, the muffler with the air current is sucked back the chamber intercommunication.
According to a further technical scheme, a rollback motor is arranged on the inner wall of the rollback functional groove, and the rollback motor is in power connection with the rollback towel body.
According to a further technical scheme, a ball plate is arranged at the bottom of the functional frame.
According to a further technical scheme, the dust collection hard tube is communicated with a telescopic hose, the tail end of the telescopic hose is communicated with the air flow back suction cavity, the dust collection hard tube is rotatably provided with a rotary connecting piece, and the tail end of the rotary connecting piece is rotatably connected with the back suction functional body.
The invention has the beneficial effects that:
according to the smart home dust collector, through the arrangement of the air inlet and back suction device, the front end and two sides of the air inlet and back suction device are provided with the corner processing devices, in the use process, the back suction end of the common dust collector has an air flow back suction blind area in the wall pasting treatment process, negative pressure air flow cannot effectively clean dust in corners and corner grooves due to the position and the structural reason of the dust suction end, the dust suction effect is not achieved, the dust suction device is arranged on the periphery of the air inlet and back suction device, when the dust suction device encounters a wall and is in a narrow range, the dust suction device can retract and change the internal structure of the corner processing devices, and impurities such as the dust at the corners can be approaching the air inlet and back suction device in a scraping and air flow blowing mode, so that effective treatment is achieved by matching with the negative pressure air flow and the front end back rolling structure in the air inlet and back suction device, and the problem that the dust collector in the corners and the narrow corners is poor in working effect is avoided;
according to the smart home dust collector disclosed by the invention, the corner processing devices are arranged at the front end and two sides of the air inlet and back suction device, the corner processing devices carry the internal structure through the functional frame and simultaneously play a role in touching and propping structures such as walls, so that in the subsequent pushing process, the corner processing devices are forced to retract, the retracting process releases the air pressure in the air pressure cavity, the air pressure is output through the oblique blowing structure, chips in corners and narrow corners which are not easy to process are blown out, and the chips enter the effective sucking range of negative pressure air flow, and the arrangement mode of the side array of the corner processing devices not only improves the application condition in the narrow space, but also can realize multi-surface processing without angle rotation in the narrow space such as the bottom of furniture, and simultaneously improves the processing speed of the multi-surface corners.
According to the intelligent household dust collector, through the arrangement of the air inlet and back suction device, the functional plates of the corner processing device and the functional frames are in carrying connection in a sliding and rotating mode, in the non-starting mode, the functional plates are in a suspended state, the influence of scraping ground surface scraps on the suction and back treatment efficiency and effect is avoided, meanwhile, when corners and wall retraction are met, the functional plates are driven by the transmission structure to slide downwards, air flow is blown in the process, a slight anticlockwise swinging effect is formed under the influence of the air flow effect before the corners are not contacted, the blowing effect of the scraps in the blowing range, ravines and corners is improved, meanwhile, pushing action is matched when the functional plates are propped against the ground, the functional plates form back movement action, the bottom scraping rubber pad is matched for pushing out the residual scraps in the corners, the back suction is matched with the air flow and negative pressure back suction flow for back suction, meanwhile, the outer wall attaching surfaces of the functional plates are provided with the back suction cavity, and accordingly, when corners in a narrow space are processed, the wall surface scraps can be simultaneously sucked back, and the dust on the wall surface can be prevented from being difficult to overturn due to the narrow space or the fact that the dust cannot be attached to the wall surface is processed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the intake-air back-suction device 20 in FIG. 1;
FIG. 3 is an enlarged schematic view of the corner processing apparatus 30 of FIG. 2;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;
fig. 5 is a schematic diagram of the structure of fig. 3B.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
An wisdom house dust catcher that combines 1-5 of drawing, including dust absorption hard tube 11, demountable installation has filtration receiver 12 on the dust absorption hard tube 11, demountable installation has the air current organism 13 on the filtration receiver 12, handheld structure 15 is installed in the rotation of air current organism 13 outer wall, dust absorption hard tube 11 can rotate and install intake return device 20, intake return device 20 includes the suction back function body 21, suction back function body 21 inner wall is equipped with the air current and flows back suction chamber 23, air current return chamber 23 with dust absorption hard tube 11 intercommunication, suction back function body 21 bottom is equipped with the range groove 24 that returns, suction back function body 21 is equipped with the roll back function groove 25, roll back towel body 26 is installed in the roll back function groove 25 ability rotation, corner processing device 30 is installed to suction back function body 21 front end and avris, corner processing device 30 includes the flexible gas plate that returns, the gas plate that returns 35 rotates and installs function frame 37, the function plate that returns 37 and install the function plate that returns, the function plate that returns 38 is equipped with the suction back function is equipped with, the suction back function plate 38 that can spout the bottom 38, the function plate that the function plate 38 spouts out of the suction back 38 is equipped with the bottom of the suction back plate 38.
During operation, the airflow electric machine body 13 is started, the air inlet and back suction device 20 is driven to slide in a required dust collection space by hand-holding the hand-holding structure 15, the air flow back suction effect of the air flow back suction cavity 23 is achieved, dust and debris are sucked back into the filter storage body 12 by negative pressure generated in the space below the back suction functional body 21, when the air flow meets the space with a difficult rotation angle such as the bottom or corner of furniture such as a sofa or a bed, the retraction air delivery plate 35 is driven to retract by the function frame 37 to abut against the wall or the active retraction mode, air pressure is driven to be transmitted, air pressure is sprayed out through the air flow spraying plate 40, the function plate 38 is arranged in a conventional suspension mode to form a downward sliding process to continuously output air pressure through the air flow spraying plate 40, the function plate 38 forms a counterclockwise small rotation angle under the effect of air pressure output, the blowing range is improved, dust and debris in corners and gullies are blown out more easily, meanwhile, when the function plate 38 slides to the ground, the function plate 38 is pushed to rotate in an angle, the dust and debris impurity is retracted through the scraping cushion 51, the dust and debris is retracted in the process, and the dust is blown back through the scraping action, and dust is sucked back to the dust and dust in the corner.
Preferably, the retraction air delivery plate 35 is slidably mounted in the air pressure sliding tube 31, a return piston plate 34 is slidably mounted in the air pressure sliding tube 31, the return piston plate 34 is connected with the retraction air delivery plate 35, an air delivery inner groove 50 is arranged in the retraction air delivery plate 35, the return piston plate 34 is provided with a one-way communication valve 36, the air delivery inner groove 50 is communicated with the one-way communication valve 36, the return piston plate 34 is provided with a return spring 33, and the air pressure sliding tube 31 is internally provided with a driving electromagnet 32.
The arrangement of the active electromagnet 32 provides an active retraction mode for dust and debris treatment, and the piston plate 34 slides back to enable the air pressure in the air pressure sliding pipe 31 to be transmitted through the air transmission inner groove 50.
Preferably, a transmission sliding cavity 43 is arranged in the functional frame 37, the transmission sliding cavity 43 is communicated with the air transmission inner groove 50, a transmission sliding plate 44 is slidably installed in the transmission sliding cavity 43, a transmission rod 45 is installed on the transmission sliding plate 44, a supporting spring 46 is installed on the transmission rod 45, the functional plate 38 is rotatably installed at the tail end of the transmission rod 45, and a magnet sheet 48 is installed in the transmission sliding cavity 43.
Air pressure is transmitted through the air transmission inner groove 50 to push the transmission slide plate 44 to slide, so that the functional plate 38 slides downwards, and the magnet piece 48 can form a slight adsorption effect on the transmission slide plate 44 to slow the rebound of the transmission slide plate 44.
Preferably, the inner wall of the functional board 38 is provided with an output slot 39, the tail end of the output slot 39 is provided with an air flow spraying board 40, the output slot 39 is communicated with an air transfer pipe 47, the tail end of the air transfer pipe 47 is communicated with the transmission sliding cavity 43, the inner wall of the functional board 38 is provided with an adherence back suction cavity 41, the adherence back suction cavity 41 is provided with an adherence back suction board 42, the adherence back suction cavity 41 is communicated with an air return pipe 49, and the air return pipe 49 is communicated with the air flow back suction cavity 23.
The air pressure is flushed into the transmission sliding cavity 43, so that the transmission sliding plate 44 slides, meanwhile, the redundant air pressure is transmitted through the air transmission pipe 47 and is output by the air flow spraying plate 40, so that a blowing effect is formed, and when the wall attaching back suction cavity 41 is communicated with the air flow back suction cavity 23 to attach the functional board 38 to the wall, the wall attaching back suction cavity 41 forms an adsorption effect on the wall surface, and dust on the wall surface is sucked back.
Preferably, a rollback motor 27 is installed on the inner wall of the rollback functional groove 25, and the rollback motor 27 is in power connection with the rollback towel 26.
The rewinding motor 27 is started to drive the rewinding towel 26 to rotate so as to perform the rewinding and sucking-back effect of dust impurities and hair.
Preferably, a ball plate 52 is mounted at the bottom of the functional frame 37.
Slip pushing friction is reduced by the ball plate 52.
Preferably, the dust collection hard tube 11 is communicated with a telescopic hose 17, the tail end of the telescopic hose 17 is communicated with the air flow back suction cavity 23, the dust collection hard tube 11 is rotatably provided with a rotary connecting piece 16, and the tail end of the rotary connecting piece 16 is rotatably connected with the back suction functional body 21.
The rotary connection stabilization effect is achieved by the swivel connection 16 by the rotatable connection of the telescopic hose 17 to the suction function 21.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (4)
1. The utility model provides an wisdom house dust catcher, includes the dust absorption hard tube, install on the dust absorption hard tube and filter the receiver, filter and install the air current electric machine body on the receiver, the external wall rotation of air current electric machine installs handheld structure, its characterized in that: the dust collection hard tube is rotatably provided with an air inlet and back suction device, the air inlet and back suction device comprises a back suction functional body, the inner wall of the back suction functional body is provided with an air flow back suction cavity, the air flow back suction cavity is communicated with the dust collection hard tube, the bottom of the back suction functional body is provided with a back suction range groove, the back suction functional body is provided with a back rolling functional groove, the back rolling functional groove is rotatably provided with a back rolling towel body, the front end and the side of the back suction functional body are respectively provided with a corner processing device, the corner processing devices comprise a back suction plate which can slide and stretch, the back suction plate is rotatably provided with a functional frame, the functional frame is rotatably and slidably provided with a functional plate, the functional plate is provided with an air flow spraying plate, the outer wall of the functional plate is provided with an adhesive wall back suction plate which can suck back air flow, and the bottom of the functional plate is provided with a scraping rubber pad; the retraction air delivery plate is slidably arranged on the air pressure sliding pipe, a return piston plate is slidably arranged in the air pressure sliding pipe, the return piston plate is connected with the retraction air delivery plate, an air delivery inner groove is arranged in the retraction air delivery plate, the return piston plate is provided with a one-way communication valve, the air delivery inner groove is communicated with the one-way communication valve, the return piston plate is provided with a return spring, and an active electromagnet is arranged in the air pressure sliding pipe; the functional frame is internally provided with a transmission sliding cavity, the transmission sliding cavity is communicated with the air transmission inner groove, a transmission sliding plate is arranged in the transmission sliding cavity in a sliding mode, a transmission rod is arranged on the transmission sliding plate, a supporting spring is arranged on the transmission rod, the tail end of the transmission rod is rotatably provided with the functional plate, and a magnet sheet is arranged in the transmission sliding cavity; the utility model discloses a functional board, including functional board, air current blowout board, functional board inner wall, air current blowout board, the output is installed to the end in groove, the end in air current intercommunication have the air current pipe, the end in of air current pipe the smooth chamber of transmission, functional board inner wall is equipped with the adherence and inhales the chamber back, the adherence is inhaled the chamber back and is installed the adherence is inhaled the board back, adherence is inhaled the chamber back and is linked together and have the muffler, the muffler with the chamber intercommunication is inhaled back to the air current.
2. The smart home dust collector as claimed in claim 1, wherein: the inner wall of the rewinding functional groove is provided with a rewinding motor, and the power of the rewinding motor is connected with the rewinding towel body.
3. The smart home dust collector as claimed in claim 1, wherein: and the ball plate is arranged at the bottom of the functional frame.
4. The smart home dust collector as claimed in claim 1, wherein: the dust collection hard tube is communicated with a telescopic hose, the tail end of the telescopic hose is communicated with the air flow back suction cavity, the dust collection hard tube is rotatably provided with a rotary connecting piece, and the tail end of the rotary connecting piece is rotatably connected with the back suction functional body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381531.6A CN114287824B (en) | 2021-11-21 | 2021-11-21 | Smart home dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381531.6A CN114287824B (en) | 2021-11-21 | 2021-11-21 | Smart home dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114287824A CN114287824A (en) | 2022-04-08 |
| CN114287824B true CN114287824B (en) | 2024-02-02 |
Family
ID=80966451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111381531.6A Active CN114287824B (en) | 2021-11-21 | 2021-11-21 | Smart home dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114287824B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245952Y (en) * | 1995-11-17 | 1997-01-29 | 中外合资苏州爱普电器有限公司 | Air output reversing device of dust collector |
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| CN1498581A (en) * | 2002-10-28 | 2004-05-26 | ������������ʽ���� | Dusting head for floor |
| JP2009066351A (en) * | 2007-09-18 | 2009-04-02 | Sharp Corp | Suction nozzle for cleaner |
| CN103610423A (en) * | 2013-12-13 | 2014-03-05 | 马单 | Dust collector achieving multi-angle dust collection |
| CN205379273U (en) * | 2016-01-20 | 2016-07-13 | 佛山市星力环保设备有限公司 | Dirt system is swept in corner |
| CN208864194U (en) * | 2018-07-10 | 2019-05-17 | 江苏美的清洁电器股份有限公司 | Hand-held cleaning device and cleaning system |
| CN211022445U (en) * | 2019-09-19 | 2020-07-17 | 泉州市范特西智能科技有限公司 | Portable handheld dust collector |
| CN112617693A (en) * | 2020-12-21 | 2021-04-09 | 刘文山 | Indoor corner dust removal cleaning device |
| CN213046712U (en) * | 2020-05-13 | 2021-04-27 | 深圳市普森斯科技有限公司 | High-efficiency filtering handheld dust collector |
| CN213588159U (en) * | 2020-09-22 | 2021-07-02 | 追创科技(苏州)有限公司 | Hand-held vacuum cleaner |
| CN214433969U (en) * | 2021-01-06 | 2021-10-22 | 格力博(江苏)股份有限公司 | Handheld dust collector |
-
2021
- 2021-11-21 CN CN202111381531.6A patent/CN114287824B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245952Y (en) * | 1995-11-17 | 1997-01-29 | 中外合资苏州爱普电器有限公司 | Air output reversing device of dust collector |
| JP2001252228A (en) * | 2000-03-13 | 2001-09-18 | Matsushita Electric Ind Co Ltd | Cleaner |
| JP2002000512A (en) * | 2000-06-23 | 2002-01-08 | Toshiba Tec Corp | Vacuum cleaner and suction opening |
| JP2002000519A (en) * | 2000-06-26 | 2002-01-08 | Toshiba Tec Corp | Electric vacuum cleaner and suction port body |
| CN1498581A (en) * | 2002-10-28 | 2004-05-26 | ������������ʽ���� | Dusting head for floor |
| JP2009066351A (en) * | 2007-09-18 | 2009-04-02 | Sharp Corp | Suction nozzle for cleaner |
| CN103610423A (en) * | 2013-12-13 | 2014-03-05 | 马单 | Dust collector achieving multi-angle dust collection |
| CN205379273U (en) * | 2016-01-20 | 2016-07-13 | 佛山市星力环保设备有限公司 | Dirt system is swept in corner |
| CN208864194U (en) * | 2018-07-10 | 2019-05-17 | 江苏美的清洁电器股份有限公司 | Hand-held cleaning device and cleaning system |
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| CN213046712U (en) * | 2020-05-13 | 2021-04-27 | 深圳市普森斯科技有限公司 | High-efficiency filtering handheld dust collector |
| CN213588159U (en) * | 2020-09-22 | 2021-07-02 | 追创科技(苏州)有限公司 | Hand-held vacuum cleaner |
| CN112617693A (en) * | 2020-12-21 | 2021-04-09 | 刘文山 | Indoor corner dust removal cleaning device |
| CN214433969U (en) * | 2021-01-06 | 2021-10-22 | 格力博(江苏)股份有限公司 | Handheld dust collector |
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| Publication number | Publication date |
|---|---|
| CN114287824A (en) | 2022-04-08 |
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Effective date of registration: 20231227 Address after: Room 101, Building 6, No. 770 Xiecao Road, Xiegang Town, Dongguan City, Guangdong Province, 523000 Applicant after: Dongguan Meiyi Technology Co.,Ltd. Address before: 310006 room 334, 139 Yonghua street, Xiacheng District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou diante household products Co.,Ltd. |
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