CN108296196B - Energy-saving double-wheel dust removal device - Google Patents
Energy-saving double-wheel dust removal device Download PDFInfo
- Publication number
- CN108296196B CN108296196B CN201810088961.0A CN201810088961A CN108296196B CN 108296196 B CN108296196 B CN 108296196B CN 201810088961 A CN201810088961 A CN 201810088961A CN 108296196 B CN108296196 B CN 108296196B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- wheel
- energy
- shell
- removal device
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 239000000872 buffer Substances 0.000 claims description 17
- 239000007853 buffer solution Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
Landscapes
- Separation Of Particles Using Liquids (AREA)
- Prevention Of Fouling (AREA)
Abstract
The invention relates to an energy-saving double-wheel dust removal device which comprises a shell, a driving structure and a spraying structure, wherein the driving structure comprises two first transmission shafts symmetrically arranged at two ends of a motor, the outer end of each first transmission shaft is connected with the upper end of one second transmission shaft through a bevel gear, and the lower end of each second transmission shaft is connected with the axis of one cleaning wheel at the outer side of the shell; the spraying structure comprises a water tank, a transverse pipeline and a longitudinal pipeline which are mutually communicated, a water inlet of the water tank is positioned at the upper end of the shell, two ends of the transverse pipeline are communicated with the water tank through a hose, a water outlet is arranged at the lower end of the longitudinal pipeline, and the water outlet is flush with or extends out of the lower end surface of the shell; the spraying structure further comprises an electromagnetic coil fixed on the lower end face of the motor, an iron block in the middle of the transverse pipeline and a spring connected with the electromagnetic coil and the iron block. The device realizes automatic control, prevents dust from flying, and has higher and more concentrated cleaning efficiency.
Description
Technical Field
The invention relates to an energy-saving double-wheel dust removal device.
Background
In the modern society, along with the development of productivity, the cost of labor force is higher and higher, and because the working time is very long, intensity is bigger to cleaner this kind of position, most young people are reluctant to select, therefore automatic mechanical dust shaker more and more receives the favor. In the prior art, a motor drives a cleaning wheel to rotate at a high speed, and the cleaning wheel is in contact with a surface to be cleaned, so that dust on the surface of the cleaning wheel is adhered to remove dust, however, the motor is directly connected with the cleaning wheel, the motor is accidentally started in a non-dust-removing working state, scratch is easily caused to operators, and the cleaning wheel can continue to rotate for a period of time under the action of inertia in an emergency power-off state in case of an accident, so that the common dust remover has poor emergency capacity and great potential safety hazard. In addition, dust can fly upward everywhere when cleaning wheel operates, and the cleanness is thorough inadequately, and such operational environment is unfavorable for cleaner's health.
Disclosure of Invention
The invention aims to provide an energy-saving double-wheel dust removal device, which comprises a shell 1, a driving structure 2 and a spraying structure 3, wherein the driving structure 2 comprises two first transmission shafts 22 symmetrically arranged at two ends of a motor 21, the outer end of each first transmission shaft 22 is connected with the upper end of a second transmission shaft 23 through bevel teeth, and the lower end of each second transmission shaft 23 is connected with the axle center of a cleaning wheel 24 at the outer side of the shell 1; the spraying structure 3 comprises a water tank 31, a transverse pipeline 32 and a longitudinal pipeline 33 which are communicated with each other, a water inlet 34 of the water tank 31 is positioned at the upper end of the shell 1, two ends of the transverse pipeline 32 are communicated with the water tank 31 through a hose 35, a water outlet 36 is arranged at the lower end of the longitudinal pipeline 33, and the water outlet 36 is flush with or extends out of the lower end surface of the shell 1; the spraying structure 3 further comprises an electromagnetic coil 371 fixed on the lower end face of the motor 21, an iron block 372 in the middle of the transverse pipeline 32 and a spring 373 connected with the two; the spray arrangement 3 further comprises a limit stop 374, the limit stop 374 being located vertically above the transverse conduit 32.
When the energy-saving double-wheel dust removal device is in a non-working state, the lower end face of the longitudinal pipeline 33 is attached to the wheel face of the cleaning wheel, so that on one hand, water in the spraying structure 3 is prevented from flowing out from the water outlet 36, and on the other hand, the cleaning wheel 24 is prevented from rotating in the non-working state to cause safety accidents; when the energy-saving double-wheel dust removal device is started, firstly, the electromagnetic coil 371 is electrified so as to attract the iron block 372 to move upwards, the spring 373 is compressed to drive the transverse pipeline 32 and the longitudinal pipeline 33 to move upwards to the limit position and keep the state, meanwhile, the motor 21 drives the first transmission shafts 22 at two ends to rotate, the first transmission shafts 22 drive the second transmission shafts 23 to rotate through the bevel teeth, the second transmission shafts 23 drive the cleaning wheels 24 at the lower ends to rotate, and a water outlet 36 drips or sprays water to the wheel surfaces of the cleaning wheels 24 in a small amount in the working process; the transverse conduit 32 wraps around the second drive shaft 23 from one side or from both sides so that the movements of the two do not interfere.
In one embodiment of the invention, the spray structure 3 further comprises a buffer system 38 arranged between the transverse pipe 32 and the housing 1.
The buffer system 38 can make the transverse pipeline 32 and the longitudinal pipeline 33 slowly ascend or descend, and prevent sudden state changes caused by the startup and shutdown of the energy-saving double-wheel dust removal device.
In one embodiment of the present invention, the buffer system 38 includes a sliding rod 381 and a buffer cavity 382, the upper end of the sliding rod 381 is connected to the transverse pipeline 32, the lower end of the sliding rod 381 is located inside the buffer cavity 382 and is connected to a piston 384, and the buffer cavity 382 is fixed on the inner wall of the lower end of the housing 1; the piston 384 clings to the inner wall of the buffer cavity 382 to slide up and down; the upper end of the buffer cavity 382 is provided with a first air hole 383, the bottom end of the side wall is provided with an air plate 385 which can only be turned inwards, the air plate 385 is provided with a second air hole 386, and the outer side of the air plate 385 is communicated with the atmospheric pressure.
When the electromagnetic coil 371 is electrified to attract the iron block 372 to drive the transverse pipeline 32 to move upwards, the sliding rod 381 drives the piston 384 to cling to the inner wall of the buffer cavity 382 to slide upwards, at the moment, gas in the upper cavity of the piston 384 is compressed and is slowly output outwards from the first air hole 383, and the air pressure in the lower cavity of the piston 384 is lowered, so that the air plate 385 is turned inwards under the action of atmospheric pressure, and the air pressure in the lower cavity is communicated with the atmospheric pressure; when the energy-saving double-wheel dust removal device is shut down or powered off, the suction force of the electromagnetic coil 371 to the iron block 372 disappears, the transverse pipeline 32 moves downwards under the action of gravity, the sliding rod 381 drives the piston 384 to cling to the inner wall of the buffer cavity 382 to slide downwards, at the moment, the air pressure of the upper cavity of the piston 384 is reduced, outside air slowly enters from the first air hole 383, the air pressure of the lower cavity of the piston 384 is increased, the air plate 385 is closed, and the air of the lower cavity is slowly output outwards from the second air hole 386.
In one embodiment of the present invention, the diameter of the water outlet 36 is 0.5-3 mm.
The water drops from the water outlet 36 with the diameter of 0.5-3mm, and the smaller the aperture, the slower the speed.
In one embodiment of the invention, the material of the lower end of the water outlet (36) comprises an elastic material.
The elastic material can ensure that the lower end of the longitudinal pipeline 33 is in mild contact with the wheel surface of the cleaning wheel 24, the lower end of the longitudinal pipeline and the wheel surface of the cleaning wheel are buffered when the longitudinal pipeline and the cleaning wheel move relatively, and the longitudinal pipeline and the cleaning wheel can be replaced at any time if the longitudinal pipeline and the cleaning wheel are worn.
In one embodiment of the present invention, a grip portion 4 is further included.
The holding part 4 is used for holding the energy-saving double-wheel dust removal device by hands or other instruments, and is convenient to use in various occasions.
By adopting the technical scheme of the invention, the following beneficial technical effects are achieved:
1. when the device is in an initial state, the lower end of the longitudinal pipeline 33 is attached to the wheel surface of the cleaning wheel 24 so as to seal the water outlet 36, after the device is started, the longitudinal pipeline 33 moves upwards, and the water outlet 36 drips naturally, so that automatic control is realized, and dust is prevented from flying;
2. the device of the invention is provided with two cleaning wheels 24 which rotate reversely, so that the cleaning efficiency is higher and more concentrated.
3. The device is provided with the buffer system 38, so that the transverse pipeline 32 and the longitudinal pipeline 33 in the spraying structure 3 can be prevented from suddenly rising or falling to cause impact and damage to the device when the device is switched on or switched off or is powered off;
4. the device has the advantages of simple structure, convenient use and high safety.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present disclosure;
FIG. 2 is an enlarged partial schematic view of the dashed box of FIG. 1;
FIG. 3 is a schematic structural diagram of an operating state according to an embodiment of the present disclosure;
fig. 4 is a schematic view of the cleaning wheel 24.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Example 1
The embodiment provides an energy-saving double-wheel dust removal device, which comprises a shell 1, a driving structure 2 and a spraying structure 3, wherein the driving structure 2 comprises two first transmission shafts 22 symmetrically arranged at two ends of a motor 21, the outer end of each first transmission shaft 22 is connected with the upper end of a second transmission shaft 23 through bevel teeth, and the lower end of each second transmission shaft 23 is connected with the axis of a cleaning wheel 24 at the outer side of the shell 1; the spraying structure 3 comprises a water tank 31, a transverse pipeline 32 and a longitudinal pipeline 33 which are communicated with each other, a water inlet 34 of the water tank 31 is positioned at the upper end of the shell 1, two ends of the transverse pipeline 32 are communicated with the water tank 31 through a hose 35, a water outlet 36 is arranged at the lower end of the longitudinal pipeline 33, and the water outlet 36 is flush with or extends out of the lower end surface of the shell 1; the spraying structure 3 further comprises an electromagnetic coil 371 fixed on the lower end surface of the motor 21, an iron block 372 in the middle of the transverse pipeline 32 and a spring 373 connecting the two.
Example 2
As shown in fig. 1-4, the embodiment provides an energy-saving two-wheel dust collector, which includes a housing 1, a driving structure 2 and a spraying structure 3, where the driving structure 2 includes two first transmission shafts 22 symmetrically disposed at two ends of a motor 21, an outer end of each first transmission shaft 22 is connected to an upper end of a second transmission shaft 23 through a bevel gear, and a lower end of each second transmission shaft 23 is connected to an axis of a cleaning wheel 24 outside the housing 1; the spraying structure 3 comprises a water tank 31, a transverse pipeline 32 and a longitudinal pipeline 33 which are communicated with each other, a water inlet 34 of the water tank 31 is positioned at the upper end of the shell 1, two ends of the transverse pipeline 32 are communicated with the water tank 31 through a hose 35, a water outlet 36 is arranged at the lower end of the longitudinal pipeline 33, the diameter of the water outlet 36 is 2.6mm, and the water outlet 36 is flush with or extends out of the lower end surface of the shell 1; the spraying structure 3 further comprises an electromagnetic coil 371 fixed on the lower end surface of the motor 21, an iron block 372 in the middle of the transverse pipeline 32, a spring 373 connecting the electromagnetic coil and the transverse pipeline 32, and a limit stop 374, wherein the limit stop 374 is positioned vertically above the transverse pipeline 32, and a buffer system 38 is arranged between the transverse pipeline 32 and the housing 1.
Example 3
As shown in fig. 1-4, the embodiment provides an energy-saving two-wheel dust collector, which includes a housing 1, a driving structure 2 and a spraying structure 3, where the driving structure 2 includes two first transmission shafts 22 symmetrically disposed at two ends of a motor 21, an outer end of each first transmission shaft 22 is connected to an upper end of a second transmission shaft 23 through a bevel gear, and a lower end of each second transmission shaft 23 is connected to an axis of a cleaning wheel 24 outside the housing 1; the spraying structure 3 comprises a water tank 31, a transverse pipeline 32 and a longitudinal pipeline 33 which are communicated with each other, a water inlet 34 of the water tank 31 is positioned at the upper end of the shell 1, two ends of the transverse pipeline 32 are communicated with the water tank 31 through a hose 35, a water outlet 36 is arranged at the lower end of the longitudinal pipeline 33, the diameter of the water outlet 36 is 1mm, and the water outlet 36 is flush with or extends out of the lower end surface of the shell 1; the spraying structure 3 further comprises an electromagnetic coil 371 fixed on the lower end surface of the motor 21, an iron block 372 in the middle of the transverse pipeline 32, a spring 373 connecting the electromagnetic coil and the iron block, and a limit stop 374, wherein the limit stop 374 is positioned vertically above the transverse pipeline 32; a buffer system 38 is arranged between the transverse pipeline 32 and the shell 1, the buffer system 38 comprises a sliding rod 381 and a buffer cavity 382, the upper end of the sliding rod 381 is connected with the transverse pipeline 32, the lower end of the sliding rod 381 is positioned in the buffer cavity 382 and is connected with a piston 384, and the buffer cavity 382 is fixed on the inner wall of the lower end of the shell 1; the piston 384 clings to the inner wall of the buffer cavity 382 to slide up and down; the upper end of the buffer cavity 382 is provided with a first air hole 383, the bottom end of the side wall is provided with an air plate 385 which can only be turned inwards, the air plate 385 is provided with a second air hole 386, and the outer side of the air plate 385 is communicated with the atmospheric pressure.
Example 4
As shown in fig. 1-4, the embodiment provides an energy-saving double-wheel dust collector, which includes a housing 1, a driving structure 2, a spraying structure 3 and a holding part 4, where the driving structure 2 includes two first transmission shafts 22 symmetrically disposed at two ends of a motor 21, an outer end of each first transmission shaft 22 is connected to an upper end of a second transmission shaft 23 through a bevel gear, and a lower end of each second transmission shaft 23 is connected to an axis of a cleaning wheel 24 outside the housing 1; the spraying structure 3 comprises a water tank 31, a transverse pipeline 32 and a longitudinal pipeline 33 which are communicated with each other, a water inlet 34 of the water tank 31 is positioned at the upper end of the shell 1, two ends of the transverse pipeline 32 are communicated with the water tank 31 through a hose 35, a water outlet 36 is arranged at the lower end of the longitudinal pipeline 33, the diameter of the water outlet 36 is 0.5mm, and the water outlet 36 is flush with or extends out of the lower end surface of the shell 1; the spraying structure 3 further comprises an electromagnetic coil 371 fixed on the lower end surface of the motor 21, an iron block 372 in the middle of the transverse pipeline 32 and a spring 373 connecting the two.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an energy-conserving double round dust collector, includes casing (1), drive structure (2) and sprays structure (3), its characterized in that: the driving structure (2) comprises two first transmission shafts (22) which are symmetrically arranged at two ends of the motor (21), the outer end of each first transmission shaft (22) is connected with the upper end of one second transmission shaft (23) through a bevel gear, and the lower end of each second transmission shaft (23) is connected with the axle center of one cleaning wheel (24) on the outer side of the shell (1); the spraying structure (3) comprises a water tank (31), a transverse pipeline (32) and a longitudinal pipeline (33) which are communicated with each other, a water inlet (34) of the water tank (31) is positioned at the upper end of the shell (1), two ends of the transverse pipeline (32) are communicated with the water tank (31) through a hose (35), a water outlet (36) is formed in the lower end of the longitudinal pipeline (33), and the water outlet (36) is flush with or extends out of the lower end face of the shell (1); the spraying structure (3) further comprises an electromagnetic coil (371) fixed on the lower end face of the motor (21), an iron block (372) in the middle of the transverse pipeline (32) and a spring (373) connected with the electromagnetic coil and the transverse pipeline (32), the spraying structure (3) further comprises a limit stop (374), the limit stop (374) is located above the transverse pipeline (32) in a vertical mode, and when the energy-saving double-wheel dust removal device is in a non-working state, the lower end face of the longitudinal pipeline (33) is attached to the wheel face of the cleaning wheel (24).
2. The energy-saving double-wheel dust removal device of claim 1, wherein: the spray structure (3) further comprises a buffer system (38) arranged between the transverse pipe (32) and the housing (1).
3. The energy-saving double-wheel dust removal device of claim 2, wherein: the buffer system (38) comprises a sliding rod (381) and a buffer cavity (382), the upper end of the sliding rod (381) is connected with the transverse pipeline (32), the lower end of the sliding rod (381) is located in the buffer cavity (382) and connected with a piston (384), and the buffer cavity (382) is fixed on the inner wall of the lower end of the shell (1); the piston (384) clings to the inner wall of the buffer cavity (382) to slide up and down; the buffer cavity body (382) upper end is equipped with first air hole (383), and the bottom of lateral wall is equipped with only can inwards turn over gas board (385), is equipped with second air hole (386) on gas board (385), and the gas board (385) outside communicates with atmospheric pressure.
4. The energy-saving double-wheel dust removal device of claim 1, wherein: the diameter of the water outlet (36) is 0.5-3 mm.
5. The energy-saving double-wheel dust removal device of claim 1, wherein: the material at the lower end of the water outlet (36) comprises an elastic material.
6. The energy-saving double-wheel dust removal device of claim 1, wherein: also comprises a holding part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088961.0A CN108296196B (en) | 2018-01-30 | 2018-01-30 | Energy-saving double-wheel dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088961.0A CN108296196B (en) | 2018-01-30 | 2018-01-30 | Energy-saving double-wheel dust removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108296196A CN108296196A (en) | 2018-07-20 |
| CN108296196B true CN108296196B (en) | 2020-10-13 |
Family
ID=62867408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810088961.0A Expired - Fee Related CN108296196B (en) | 2018-01-30 | 2018-01-30 | Energy-saving double-wheel dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108296196B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0406622B1 (en) * | 1989-07-04 | 1993-09-01 | Elfriede Schulze | Scale removal and prevention device |
| CN2115315U (en) * | 1991-12-24 | 1992-09-09 | 杭州能源设备厂 | Safety lift buffer device |
| CN2377990Y (en) * | 1998-12-18 | 2000-05-17 | 张爽 | Water-spraying broom |
| CN2685161Y (en) * | 2004-03-12 | 2005-03-16 | 田友平 | Vehicle damping protector in head-on collision |
| CN102767298B (en) * | 2012-08-07 | 2014-07-02 | 浙江大学 | Simple trolley for garage moving |
| CN204552371U (en) * | 2015-01-13 | 2015-08-12 | 宁波以赛亚气动成套有限公司 | One is closed the door bounce cylinder |
| CN206852565U (en) * | 2017-01-17 | 2018-01-09 | 许昌职业技术学院 | A kind of automatic remote control mop |
| CN107255245B (en) * | 2017-06-09 | 2019-08-27 | 余姚市新概念照明电器有限公司 | A kind of underground lamp |
| CN107212820A (en) * | 2017-06-22 | 2017-09-29 | 安徽风向标清洁设备有限公司 | Multi-functional automatic ground washing machine |
| CN107460842A (en) * | 2017-08-30 | 2017-12-12 | 卢杰 | A kind of town road cleaning device |
-
2018
- 2018-01-30 CN CN201810088961.0A patent/CN108296196B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108296196A (en) | 2018-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210810766U (en) | Automatic cleaning device for glass curtain wall | |
| CN111374586B (en) | Movable device for cleaning glass on outer side of high building | |
| CN106112773A (en) | A kind of cutting machine of band dust arrester | |
| CN108296196B (en) | Energy-saving double-wheel dust removal device | |
| CN112050322A (en) | Air purifier capable of cleaning filter screens alternately | |
| CN109621594A (en) | A kind of Coal Clean dust-extraction unit | |
| CN205968572U (en) | Take dust collector's cutting machine | |
| CN112139084A (en) | Can get rid of advertisement and restore power box cleaning equipment of box | |
| CN203600001U (en) | Improved wall surface grinding machine | |
| CN106985792A (en) | A kind of crawler belt sucker for cleaning device | |
| CN108209713A (en) | A kind of environmental protection and energy saving rotary water jet dust catcher | |
| CN210810825U (en) | Household wall surface cleaning robot | |
| CN108049346B (en) | A kind of municipal pollution treatment device | |
| CN111299257A (en) | High-efficient laser belt cleaning device of complicated component | |
| CN112168089A (en) | Self-adaptation arc wall integration cleaning device | |
| CN206326474U (en) | Hand holds driven dust-free rust remover | |
| CN210701322U (en) | Sucking disc cleaning device of liquid crystal display panel turnover device | |
| CN208866020U (en) | A kind of hardware pulley cleaning equipment | |
| CN108316207B (en) | A kind of environmental protection and energy saving dust removal machine can be used for a variety of environment | |
| CN211676861U (en) | Coal operation space is with watering dust suppression device | |
| CN210178598U (en) | Novel dust removal fan | |
| CN212757816U (en) | Drinking water pipe plastic-coated is with dustless clean workshop | |
| CN112603216B (en) | Can hinder outer wall cleaning machine more | |
| CN220229490U (en) | Cabinet type air purifier | |
| CN212999013U (en) | Filtering and dust removing equipment for environmental protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200917 Address after: No.959, Jiayuan Road, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: Suzhou Yuanlian Technology Pioneer Park Management Co.,Ltd. Address before: 315040 Jiangnan Road No. 586, Ningbo High-tech Zone, Zhejiang Province Applicant before: NINGBO FEICHAI ROBOT TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 |