CN116792549A - Eccentric pure metal hard sealing butterfly valve - Google Patents
Eccentric pure metal hard sealing butterfly valve Download PDFInfo
- Publication number
- CN116792549A CN116792549A CN202311040112.5A CN202311040112A CN116792549A CN 116792549 A CN116792549 A CN 116792549A CN 202311040112 A CN202311040112 A CN 202311040112A CN 116792549 A CN116792549 A CN 116792549A
- Authority
- CN
- China
- Prior art keywords
- channel
- rod
- filter screen
- cleaning box
- eccentric
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 title abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000001680 brushing effect Effects 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims description 20
- 238000004062 sedimentation Methods 0.000 claims description 13
- 239000010865 sewage Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/643—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a combination of movements with respect to the filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Lift Valve (AREA)
Abstract
The invention provides an eccentric pure metal hard sealing butterfly valve which has a simple structure and a filtering function and can prolong the service life of a valve, and the eccentric pure metal hard sealing butterfly valve comprises a valve body, a water inlet channel, a water outlet channel and a valve plate, wherein a filtering seat is fixedly arranged in the water inlet channel, a first filter screen is arranged on the filtering seat, the lower end part of the water inlet channel is provided with the filtering channel, one end of the filtering channel is positioned in front of the first filter screen, the other end of the filtering channel is positioned behind the first filter screen, a second filter screen is arranged at the water inlet position of the filtering channel, a rotating block is rotatably arranged on the inner wall of the water inlet channel, a sliding rod is arranged on the rotating block in a sliding way, a cleaning box is arranged at the end part of the sliding rod, a brush which is used for resisting the first filter screen and the second filter screen to brush the first filter screen through a brushing device, and a swinging device which is used for driving the brush to swing 90 DEG so that the brush swings from the first filter screen to the second filter screen to sequentially and repeatedly brush.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an eccentric pure metal hard seal butterfly valve.
Background
With the development of society, pipeline connection is required in both production and life. In pipe connections, it is necessary to apply to pipe connections, with an eccentric hard seal butterfly valve being one of the commonly used pipe connections.
The existing eccentric hard sealing butterfly valve can remain on the inner wall and the valve plate of the valve when passing through the valve because of impurities in water flow in the pipeline, rust damage is carried out on the inside of the valve and a sealing pair of the valve plate is damaged, so that the service life of the valve is influenced.
To solve this problem, the present invention has been made.
Disclosure of Invention
Therefore, the invention provides the eccentric pure metal hard sealing butterfly valve which has simple structure, has a filtering function and can prolong the service life of the valve.
In order to solve the technical problems, the technical scheme includes that the eccentric pure metal hard sealing butterfly valve comprises a valve body, a water inlet channel, a water outlet channel and a valve plate, wherein the water inlet channel and the water outlet channel are formed in the valve body, the valve plate is arranged between the water inlet channel and the water outlet channel, a filter seat is fixedly arranged in the water inlet channel, a first filter screen is arranged on the filter seat, the lower end of the water inlet channel is provided with a filter channel, one end of the filter channel is positioned in front of the first filter screen, the other end of the filter channel is positioned behind the first filter screen, a second filter screen is arranged at the water inlet of the filter channel, a rotating block is rotatably arranged on the inner wall of the water inlet channel, a sliding rod is arranged on the rotating block in a sliding mode, a cleaning box is arranged at the end portion of the sliding rod, a brush which resists the first filter screen and the second filter screen to be brushed is arranged in the cleaning box through a brushing device, and a swinging device which is used for driving the brush to swing 90 degrees so that the brush swings from the first filter screen to the second filter screen to repeatedly brush.
The further improvement is that: the swinging device comprises a first connecting rod, a first channel is formed in the valve body, one end of the first connecting rod is rotationally arranged on the inner wall of the first channel through a bearing, the other end of the first connecting rod is connected with the cleaning box through a linkage device and used for driving the cleaning box to swing, a second connecting rod is further hinged to the first connecting rod, a driving rod is hinged to the other end of the second connecting rod, and a driving device used for driving the driving rod to rotate is connected to the other end of the driving rod.
The further improvement is that: the linkage device comprises a linkage rod, one end of the linkage rod is hinged to the first connecting rod and located at the other end far away from the bearing, a linkage block is arranged on the cleaning box, the other end of the linkage rod is hinged to the linkage block, and a swinging channel which is communicated with the first channel and used for swinging the linkage rod to enable the brush to swing from 0 degrees to 90 degrees is formed in the valve body.
The further improvement is that: the brushing device comprises a sliding shell, the brush is arranged at the end part of the sliding shell, the sliding shell is sleeved on the cleaning box in a sliding mode, a rotating rod is arranged in the cleaning box in a rotating mode, a square channel is formed in the rotating rod, a square rod is arranged in the square channel in a sliding mode, the other end of the square rod is connected with the brush, a sliding device used for driving the sliding shell to slide is arranged in the cleaning box, and a rotating device used for driving the rotating rod to rotate is arranged in the cleaning box.
The further improvement is that: and a cleaning device for removing impurities from the first filter screen and the second filter screen is further arranged between the valve body and the cleaning box.
The further improvement is that: the cleaning device comprises a water passing seat, a cleaning channel is formed between the cleaning box and the sliding rod, the water passing seat is arranged in the cleaning channel, the rotating rod is rotationally arranged on the water passing seat, a plurality of sewage channels which enable impurities to flow into the cleaning box are formed in the hairbrush, and an sucking device for sucking out the impurities is arranged at the other end of the sliding rod.
The further improvement is that: the suction device comprises a suction pump, the suction pump is arranged outside the valve body, a water inlet pipe of the suction pump is connected with the sliding rod through a hose, and a water outlet pipe of the suction pump is connected with an external sedimentation tank.
The further improvement is that: the sliding device is as follows: the electric push rod is arranged in the cleaning box, and the extending rod of the electric push rod is connected with the inner bottom of the sliding shell.
The further improvement is that: the driving device is as follows: a servo motor.
The further improvement is that: the rotating device is as follows: and rotating the motor.
By adopting the technical scheme, the invention has the beneficial effects that:
1. simple structure, convenient use and filtering function. When in use, when water flows through the first filter screen or the second filter screen, the first filter screen or the second filter screen filters impurities and dirt, so that the impurities and the dirt are prevented from flowing into the valve body, further, the internal parts of the valve body are prevented from being corroded, and the service life of the valve is prolonged.
2. Impurities on the first filter screen or the second filter screen can be removed through the hairbrush, and the cruising ability of the first filter screen and the second filter screen is improved. And when clear away, first filter screen and second filter screen work alone respectively for when clearing up one of them, also can guarantee the discharge of water in the pipeline and pass through.
Drawings
FIG. 1 is a schematic diagram of a partial cut-away structure of an eccentric pure metal hard seal butterfly valve in an embodiment of the invention.
Fig. 2 is a schematic view showing a sectional structure of a cleaning box according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a swing device according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of a linkage device according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a structure for cleaning a second filter according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a second filter screen swinging device for cleaning according to an embodiment of the invention.
Reference numerals: the cleaning device comprises a valve body 1, a water inlet channel 2, a filtering seat 3, a first filter screen 4, a filtering channel 5, a second filter screen 6, a cleaning box 7, a sliding shell 8, a rotating block 9, a sliding rod 10, a linkage block 11, a hose 12, a suction pump 13, a swinging channel 14, a rotating rod 15, a square rod 16, a water passing seat 17, a cleaning channel 18, a pollution discharge channel 19, an electric push rod 20, a first connecting rod 21, a second connecting rod 22, a driving rod 23, a servo motor 24, a linkage rod 25 and a hairbrush 141.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples.
Referring to fig. 1-6, disclosed are embodiments of the present invention: the eccentric pure metal hard seal butterfly valve comprises a valve body 1 made of metal materials, a water inlet channel 2 and a water outlet channel which are arranged on the valve body 1, a valve plate arranged between the water inlet channel 2 and the water outlet channel, and a first connecting rod 21, wherein the valve body 1 is positioned in the water inlet channel 2 and fixedly provided with a filter seat 3, a first filter screen 4 is arranged on the filter seat 3, the lower end part of the valve body 1 positioned in the water inlet channel 2 is provided with a filter channel 5, one end of the filter channel 5 is positioned in front of the first filter screen 4, the other end of the filter channel 5 is positioned behind the first filter screen 4, a second filter screen 6 is arranged at the water inlet position of the filter channel 5, a rotating block 9 is rotationally arranged on the inner wall of the water inlet channel 2, a sliding rod 10 is arranged on the rotating block 9 in a sliding way, the end part of the sliding rod 10 is provided with a cleaning box 7, the cleaning box 7 is internally provided with a brush 141 which is used for brushing the first filter screen 4 and the second filter screen 6 through a brushing device and resisting the first filter screen 4 and the second filter screen 6, a first channel is formed in the valve body 1, one end of a first connecting rod 21 is rotatably arranged on the inner wall of the first channel through a bearing, the other end of the first connecting rod 21 is hinged with a linkage rod 25, the cleaning box 7 is provided with a linkage block 11, the other end of the linkage rod 25 is hinged on the linkage block 11, the valve body 1 is provided with a swinging channel 14 which is communicated with the first channel and is used for swinging the linkage rod 25 to enable the brush 141 to swing at 0-90 degrees, the first connecting rod 21 is also hinged with a second connecting rod 22, the other end of the second connecting rod 22 is hinged with a driving rod 23, the other end of the driving rod 23 is connected with a servo motor 24 for driving the driving rod 23 to rotate.
Specifically, brushing device includes slide case 8, brush 141 locates slide case 8 tip, slide case 8 slip cap locates on the cleaning box 7, and cleaning box 7 internal rotation is equipped with dwang 15, square passageway has been seted up on the dwang 15, the slip of square passageway is equipped with square pole 16, square pole 16 other end is connected with brush 141, be equipped with in the cleaning box 7 and be used for driving the gliding electric putter 20 of slide case 8, electric putter 20 locates in the cleaning box 7, electric putter 20 stretch out the pole and be connected with slide case 8 interior bottom, be equipped with in the cleaning box 7 and be used for driving dwang 15 pivoted rotating electrical machines.
In order to remove the impurity that can drop first filter screen 4 and second filter screen 6 clear away and reduce and avoid impurity to remain in the pipeline, still include and cross water seat 17, set up clearance passageway 18 between cleaning box 7 and the slide bar 10, cross water seat 17 and locate in the clearance passageway 18, dwang 15 rotates and locates and cross water seat 17, a plurality of blowdown channels 19 that make impurity inflow cleaning box 7 in have been seted up on the brush 141, the valve body 1 outside is equipped with suction pump 13, be connected through hose 12 between suction pump 13's the inlet tube and the slide bar 10, suction pump 13's outlet pipe is connected with outside sedimentation tank.
Working principle:
when the filter is used, water flow enters the valve body 1 from the water channel, the cleaning box 7 is positioned at the first filter screen 4, the water flow flows in from the second filter screen 6 and then flows to the water outlet channel through the filter channel 5, the second filter screen 6 filters impurities in the water flow and the impurities are continuously attached to the second filter screen 6, the servo motor 24 works and drives the driving rod 23 to rotate, the driving rod 23 drives the second connecting rod 22 to swing, the second connecting rod 22 drives the first connecting rod 21 to swing, the first connecting rod 21 drives the linkage rod 25 to swing, the linkage rod 25 drives the linkage block 11 to swing, the first connecting rod 21 swings, the linkage rod 25 slides in the swinging channel 14 and then drives the sliding rod 10 to slide, the cleaning box 7 swings from 90 degrees to 0 degrees, the cleaning box 7 is positioned above the second filter screen 6, then the electric push rod 20 works, the sliding shell 8 is pushed to slide, the brush 141 on the sliding shell 8 resists the second filter screen 6, then the square motor is driven to rotate, the square rotating rod 15 drives the square rotating rod 16 to rotate, the square rotating rod 16 drives the brush 141 to drive the second filter screen 6 to suck impurities from the second filter screen 6, the impurities from the sedimentation tank 7 to the sedimentation tank, and then the sedimentation tank is cleaned from the sedimentation tank is flushed from the sedimentation tank 7, and the sedimentation tank is flushed from the sedimentation tank is washed from the sedimentation tank, and the sedimentation tank is flushed from the sedimentation tank is washed. When the second filter screen 6 is cleaned, the first filter screen 4 can filter water flow, so that the water flow passes through the first filter screen 4, and the influence on the flow of the water flow is avoided. Then when attaching full impurity on first filter screen 4, the same reason, wash box 7 is located first filter screen 4 department and washs first filter screen 4, then second filter screen 6 filters out water, and thus reciprocating work can prevent impurity, dirt entering valve body 1 inside, and lead to valve body 1 inside and valve plate corrosion, improves the life of valve, avoids impurity to attach on the valve plate and influence the sealing of valve.
While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an eccentric pure metal hard seal butterfly valve, includes the valve body, sets up inlet channel and the play water channel on the valve body, locates the valve plate between inlet channel and the play water channel, its characterized in that: the valve body is positioned in the water inlet channel and is fixedly provided with a filter seat, a first filter screen is arranged on the filter seat, the lower end part of the valve body positioned in the water inlet channel is provided with a filter channel, one end of the filter channel is positioned in front of the first filter screen, the other end of the filter channel is positioned behind the first filter screen, the water inlet part of the filter channel is provided with a second filter screen, the inner wall of the water inlet channel is rotationally provided with a rotating block, the sliding rod is arranged on the rotating block in a sliding penetrating mode, the cleaning box is arranged at the end portion of the sliding rod, a brush which is used for resisting brushing of the first filter screen and the second filter screen is arranged in the cleaning box through the brushing device, and a swinging device which is used for driving the brush to swing by 90 degrees to enable the brush to swing from the first filter screen to the second filter screen to repeatedly brush in sequence is further arranged in the valve body.
2. The eccentric pure metal hard seal butterfly valve of claim 1, wherein: the swinging device comprises a first connecting rod, a first channel is formed in the valve body, one end of the first connecting rod is rotationally arranged on the inner wall of the first channel through a bearing, the other end of the first connecting rod is connected with the cleaning box through a linkage device and used for driving the cleaning box to swing, a second connecting rod is further hinged to the first connecting rod, a driving rod is hinged to the other end of the second connecting rod, and a driving device used for driving the driving rod to rotate is connected to the other end of the driving rod.
3. The eccentric pure metal hard seal butterfly valve of claim 2, wherein: the linkage device comprises a linkage rod, one end of the linkage rod is hinged to the first connecting rod and located at the other end far away from the bearing, a linkage block is arranged on the cleaning box, the other end of the linkage rod is hinged to the linkage block, and a swinging channel which is communicated with the first channel and used for swinging the linkage rod to enable the brush to swing from 0 degrees to 90 degrees is formed in the valve body.
4. The eccentric pure metal hard seal butterfly valve of claim 1, wherein: the brushing device comprises a sliding shell, the brush is arranged at the end part of the sliding shell, the sliding shell is sleeved on the cleaning box in a sliding mode, a rotating rod is arranged in the cleaning box in a rotating mode, a square channel is formed in the rotating rod, a square rod is arranged in the square channel in a sliding mode, the other end of the square rod is connected with the brush, a sliding device used for driving the sliding shell to slide is arranged in the cleaning box, and a rotating device used for driving the rotating rod to rotate is arranged in the cleaning box.
5. The eccentric pure metal hard seal butterfly valve of claim 4, wherein: and a cleaning device for removing impurities from the first filter screen and the second filter screen is further arranged between the valve body and the cleaning box.
6. The eccentric pure metal hard seal butterfly valve of claim 5, wherein: the cleaning device comprises a water passing seat, a cleaning channel is formed between the cleaning box and the sliding rod, the water passing seat is arranged in the cleaning channel, the rotating rod is rotationally arranged on the water passing seat, a plurality of sewage channels which enable impurities to flow into the cleaning box are formed in the hairbrush, and an sucking device for sucking out the impurities is arranged at the other end of the sliding rod.
7. The eccentric pure metal hard seal butterfly valve of claim 6, wherein: the suction device comprises a suction pump, the suction pump is arranged outside the valve body, a water inlet pipe of the suction pump is connected with the sliding rod through a hose, and a water outlet pipe of the suction pump is connected with an external sedimentation tank.
8. The eccentric pure metal hard seal butterfly valve of claim 4, wherein: the sliding device is as follows: the electric push rod is arranged in the cleaning box, and the extending rod of the electric push rod is connected with the inner bottom of the sliding shell.
9. The eccentric pure metal hard seal butterfly valve of claim 2, wherein: the driving device is as follows: a servo motor.
10. The eccentric pure metal hard seal butterfly valve of claim 4, wherein: the rotating device is as follows: and rotating the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311040112.5A CN116792549B (en) | 2023-08-18 | 2023-08-18 | Eccentric pure metal hard sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311040112.5A CN116792549B (en) | 2023-08-18 | 2023-08-18 | Eccentric pure metal hard sealing butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116792549A true CN116792549A (en) | 2023-09-22 |
| CN116792549B CN116792549B (en) | 2023-11-07 |
Family
ID=88049993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311040112.5A Active CN116792549B (en) | 2023-08-18 | 2023-08-18 | Eccentric pure metal hard sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116792549B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180097381A (en) * | 2017-02-23 | 2018-08-31 | 전필동 | Water filtering apparatus of centrifugal extracting type |
| WO2021008504A1 (en) * | 2019-07-18 | 2021-01-21 | 余姚市亚东塑业有限公司 | Faucet water filter and control valve used for faucet water filter |
| WO2022160812A1 (en) * | 2021-01-28 | 2022-08-04 | 朱城江 | Secondary-injection-molded faucet housing |
| CN116146725A (en) * | 2022-11-16 | 2023-05-23 | 江苏上龙供水设备有限公司 | High-performance double-channel butterfly valve |
| CN219072208U (en) * | 2023-01-09 | 2023-05-26 | 武汉博瑞净源科技发展有限公司 | Sewage filtering device convenient for cleaning filter screen |
-
2023
- 2023-08-18 CN CN202311040112.5A patent/CN116792549B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180097381A (en) * | 2017-02-23 | 2018-08-31 | 전필동 | Water filtering apparatus of centrifugal extracting type |
| WO2021008504A1 (en) * | 2019-07-18 | 2021-01-21 | 余姚市亚东塑业有限公司 | Faucet water filter and control valve used for faucet water filter |
| WO2022160812A1 (en) * | 2021-01-28 | 2022-08-04 | 朱城江 | Secondary-injection-molded faucet housing |
| CN116146725A (en) * | 2022-11-16 | 2023-05-23 | 江苏上龙供水设备有限公司 | High-performance double-channel butterfly valve |
| CN219072208U (en) * | 2023-01-09 | 2023-05-26 | 武汉博瑞净源科技发展有限公司 | Sewage filtering device convenient for cleaning filter screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116792549B (en) | 2023-11-07 |
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