CN110762267A - Valve with dreg filtering function - Google Patents
Valve with dreg filtering function Download PDFInfo
- Publication number
- CN110762267A CN110762267A CN201911127541.XA CN201911127541A CN110762267A CN 110762267 A CN110762267 A CN 110762267A CN 201911127541 A CN201911127541 A CN 201911127541A CN 110762267 A CN110762267 A CN 110762267A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- valve
- valve body
- limiting slide
- limiting
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005260 corrosion Methods 0.000 claims description 26
- 230000007797 corrosion Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 16
- 229920001973 fluoroelastomer Polymers 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 22
- 239000012535 impurity Substances 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 4
- 239000002609 medium Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
Images
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
-
- 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
- B01D29/03—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 self-supporting
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Abstract
The invention discloses a valve with a dreg filtering function, which belongs to the technical field of valves and comprises a valve body, wherein a mounting ring is arranged inside a water inlet or a water outlet of the valve body, a limiting slide block is fixedly arranged on the outer surface of the mounting ring, a limiting slide groove is formed in the inner surface wall of the water inlet or the water outlet of the valve body, and the limiting slide block is slidably arranged inside the limiting slide groove; buffer springs are symmetrically arranged on the inner side wall of the limiting sliding chute; through setting up filter screen, collar and filter screen, be provided with the filter screen in valve body inside, utilize the filter screen to filter the fluid medium of circulation, completely cut off dregs impurity, effectively avoid dregs impurity to enter into valve body inside to gather and the problem of jam, guaranteed valve body's normal use, utilize the bolt to install the filter screen fixed, make things convenient for the later stage to dismantle the change to the filter screen of damage jam when being convenient for fixed.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a valve with a dreg filtering function.
Background
Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. The valves are classified into shut-off valves, check valves, regulating valves, etc. according to their functions, and the valves are control parts in fluid delivery systems, have functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting, overflowing, relieving pressure, etc., are used for valves of fluid control systems, and range from the simplest shut-off valves to various valves used in extremely complicated autonomous systems, and have quite a large variety and specifications.
The conventional valve lacks a filtering function on a fluid medium in the use process, and dregs and impurities doped in the fluid medium easily enter the valve to be accumulated, so that the normal use of the valve is influenced by blocking the valve.
Disclosure of Invention
The present invention is directed to a valve with a filtering function for filtering dregs, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a valve with a dreg filtering function comprises a valve body, wherein an installation ring is arranged inside a water inlet or a water outlet of the valve body, a limiting slide block is fixedly arranged on the outer surface of the installation ring, a limiting slide groove is formed in the inner surface wall of the water inlet or the water outlet of the valve body, and the limiting slide block is slidably arranged inside the limiting slide groove; buffer spring is installed to the inside wall symmetry of spacing spout, buffer spring's both ends respectively with the inner wall fixed connection of spacing slider and spacing spout, the equal fixed mounting of the left and right sides face of collar has corrosion-resistant sealing washer, corrosion-resistant sealing washer's surface and the laminating of the inside wall of water inlet or delivery port, the passageway has been seted up on the collar, a side surface that the collar corresponds the entry end of water inlet or a side surface mounting of the exit end of delivery port has the filter screen, threaded hole an is seted up to the left surface of collar, set up threaded hole b on the filter screen, threaded hole b's inside wall threaded connection has the bolt, the bolt passes threaded hole b threaded connection at threaded hole an's inside wall.
Adopt above-mentioned scheme, utilize the filter screen to filter the fluid medium of circulation, it is isolated with dregs impurity, effectively avoid dregs impurity to enter into the inside problem of gathering and blockking up of valve body, the normal use of valve body has been guaranteed, it is fixed to utilize the bolt to install the filter screen, make things convenient for the later stage to dismantle the change to the filter screen of damage jam when being convenient for fixed, when fluid medium strikes the filter screen, the impulsive force is used in the collar, and then be used in spacing slider, can extrude buffer spring and take place elastic deformation, the reverse effort that utilizes buffer spring to produce comes to offset the impulsive force, effectively avoid the impulsive force to act on causing the filter screen to appear damaged problem, utilize corrosion-resistant sealing washer to seal spacing spout, and then effectively protect buffer spring and telescopic link, the protecting effect is good.
Among the above-mentioned scheme, need to explain that fluororubber has good heat-resisting, oil, corruption, polarity solvent, through setting up fluororubber as corrosion-resistant sealing washer, and then can avoid fluid medium to enter into spacing spout inside at the circulation in-process and make buffer spring rust, utilizes the good corrosion resisting property that self has to avoid fluid medium to its corruption simultaneously.
In a preferred embodiment, the number of the limiting sliders on the mounting ring is four, and the four limiting sliders are arranged on the outer surface of the mounting ring in an annular array.
By adopting the scheme, the mounting ring is synchronously supported by the four limiting sliding blocks, so that the mounting ring can be more stable when the valve body is internally impacted by fluid media.
As a preferred embodiment, the buffer spring is sleeved on the outer surface of the telescopic rod, and two ends of the telescopic rod are respectively and fixedly connected with the inner side wall of the limit sliding chute and one side surface of the limit sliding block.
By adopting the scheme, the spring is supported by the telescopic rod, so that the limiting slide block is supported, and the limiting slide block is not easy to shake and is more stable when moving left and right in the limiting slide groove.
In a preferred embodiment, the number of bolts on the screen is four, and four bolts are mounted on the screen in an annular array.
By adopting the scheme, the filter screen is fixedly installed by utilizing the four bolts, so that the installation of the filter screen is more stable, and the bolts are fixed to facilitate the later-stage disassembly and replacement of the blocked and damaged filter screen, thereby facilitating the operation.
In a preferred embodiment, the corrosion-resistant seal ring is made of fluororubber.
By adopting the scheme, the good corrosion resistance of the fluororubber is utilized to avoid the corrosion of the fluid medium to the fluororubber, and the service life of the fluororubber is prolonged.
In a preferred embodiment, the length of the corrosion-resistant sealing ring is larger than the distance between the limiting slide block and the inner side wall of the limiting chute.
By adopting the scheme, the corrosion-resistant sealing ring always seals the limiting sliding groove when the mounting ring is impacted by the fluid medium and moves left and right, and further the fluid medium is effectively prevented from entering the limiting sliding groove.
Compared with the prior art, the invention has the beneficial effects that:
according to the valve with the dreg filtering function, the filter screen, the mounting ring and the filter screen are arranged, the filter screen is arranged in the valve body, a circulating fluid medium is filtered by the filter screen, dreg impurities are isolated, the problem that the dreg impurities enter the valve body to be gathered and blocked is effectively avoided, the normal use of the valve body is ensured, the filter screen is fixedly mounted by the bolts, and meanwhile, the damaged and blocked filter screen is convenient to detach and replace at a later stage;
this valve that possesses dregs filtering capability is through setting up limit slide, buffer spring, corrosion-resistant sealing washer and telescopic link, when fluid medium strikes on the filter screen, the impulsive force is used in the collar, and then act on limit slide, can extrude buffer spring and take place elastic deformation, the reverse acting force that utilizes buffer spring to produce comes to offset the impulsive force, effectively avoid the impulsive force to act on and cause the filter screen to appear damaged problem on the filter screen, utilize corrosion-resistant sealing washer to come to seal up spacing spout, and then effectively protect buffer spring and telescopic link, the protecting effect is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the mounting ring of the present invention;
FIG. 3 is a left side view of the filter screen of the present invention;
fig. 4 is an enlarged schematic view of the structure of the present invention at a.
In the figure: 1. a valve body; 2. a mounting ring; 3. a limiting slide block; 4. a limiting chute; 5. a buffer spring; 6. a corrosion-resistant seal ring; 7. a channel; 8. a threaded hole a; 9. a threaded hole b; 10. a bolt; 11. filtering with a screen; 12. a telescopic rod.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1-4, the invention provides a valve with a residue filtering function, which comprises a valve body 1, wherein a mounting ring 2 is arranged inside a water inlet or a water outlet of the valve body 1, limiting sliders 3 are fixedly mounted on the outer surface of the mounting ring 2, the number of the limiting sliders 3 on the mounting ring 2 is four, and the four limiting sliders 3 are arranged on the outer surface of the mounting ring 2 in an annular array (see fig. 1, 2, 3 and 4); slide in spacing spout 4 through setting up limiting slide block 3, and then can support collar 2 for collar 2 can move under the fluid medium impact force effect more stably and be difficult for rocking.
The inner surface wall of the water inlet or the water outlet of the valve body 1 is provided with a limiting sliding chute 4, and a limiting sliding block 3 is slidably arranged inside the limiting sliding chute 4; the buffer springs 5 are symmetrically arranged on the inner side wall of the limiting sliding groove 4, the buffer springs 5 are sleeved on the outer surface of the telescopic rod 12, and two ends of the telescopic rod 12 are fixedly connected with the inner side wall of the limiting sliding groove 4 and one side surface of the limiting sliding block 3 respectively (see fig. 1 and 4); the telescopic link 12 supports the buffer spring 5, and the telescopic link 12 extends or contracts along with the expansion and contraction of the buffer spring 5, so that the limiting slide block 3 is not easy to shake and is more stable when moving left and right in the limiting slide groove 4.
Two ends of the buffer spring 5 are respectively and fixedly connected with the inner walls of the limiting slide block 3 and the limiting slide groove 4, corrosion-resistant sealing rings 6 are fixedly arranged on the left side surface and the right side surface of the mounting ring 2, and the corrosion-resistant sealing rings 6 are made of fluororubber (see fig. 1, 2, 3 and 4); the fluororubber is used as the corrosion-resistant sealing ring 6, the corrosion of the fluid medium to the fluororubber is avoided by utilizing the good corrosion resistance of the fluororubber, the service life of the fluororubber is prolonged, and the influence on the normal use of the buffer spring 5 caused by the accumulation of the medium entering the limiting sliding groove 4 is avoided.
The outer surface of the corrosion-resistant sealing ring 6 is attached to the inner side wall of the water inlet or the water outlet, and the length of the corrosion-resistant sealing ring 6 is larger than the distance between the limiting slide block 3 and the inner side wall of the limiting slide groove 4 (see fig. 1, fig. 2, fig. 3 and fig. 4); effectively avoid fluid medium to enter into spacing spout 4 and cause buffer spring 5 to take place the corrosion, effectively protect buffer spring 5.
The mounting ring 2 is provided with a channel 7, a filter screen 11 is mounted on the surface of one side of the mounting ring 2 corresponding to the inlet end of the water inlet or the outlet end of the water outlet, the left side of the mounting ring 2 is provided with a threaded hole a8, the filter screen 11 is provided with a threaded hole b9, the inner side wall of the threaded hole b9 is in threaded connection with bolts 10, the number of the bolts 10 on the filter screen 11 is four, and the four bolts 10 are mounted on the filter screen 11 in an annular array (see fig. 1, 2, 3 and 4); utilize bolt 10 to pass screw hole b9 and screw hole a8 to install filter screen 11 on collar 2, simple to operate, and make things convenient for the later stage to dismantle filter screen 11 and change the clearance, four bolts 10 synchronous installations are fixed more stably and difficult not hard up to filter screen 11's installation.
The bolt 10 is screwed to the inner side wall of the screw hole a8 through the screw hole b 9.
When using, fluid medium during flow, under the effect of the inside filter screen 11 of valve body 1, make the dregs impurity of doping in the fluid medium isolated, avoid dregs impurity to enter into valve body 1 inside and gather, fluid medium can be used in collar 2 with the impulsive force when assaulting on the filter screen 11 simultaneously, and then act on buffer spring 5 through spacing slider 3 and make buffer spring 5 produce reverse acting force, the reverse acting force that utilizes buffer spring 5 to produce comes to offset the impulsive force, utilize corrosion-resistant sealing washer 6 to avoid fluid medium to enter into spacing spout 4, when filter screen 11 appears damaged or blocks up, can twist off bolt 10 and make it break away from screw hole a8 and screw hole b9, and then take off filter screen 11 and change or clear up.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a valve that possesses dregs filtering capability, includes valve body (1), its characterized in that: an installation ring (2) is arranged inside the water inlet or the water outlet of the valve body (1), a limiting slide block (3) is fixedly installed on the outer surface of the installation ring (2), a limiting slide groove (4) is formed in the inner surface wall of the water inlet or the water outlet of the valve body (1), and the limiting slide block (3) is slidably installed inside the limiting slide groove (4); buffer springs (5) are symmetrically arranged on the inner side wall of the limiting sliding groove (4), and two ends of each buffer spring (5) are fixedly connected with the limiting sliding block (3) and the inner wall of the limiting sliding groove (4) respectively; the equal fixed mounting of the left and right sides face of collar (2) has corrosion-resistant seal circle (6), the exterior wall of corrosion-resistant seal circle (6) and the inside wall laminating of water inlet or delivery port, seted up passageway (7) on collar (2), a side surface of the entry end of collar (2) corresponding water inlet or a side surface mounting of the exit end of delivery port have filter screen (11), threaded hole an (8) are seted up to the left surface of collar (2), set up threaded hole b (9) on filter screen (11), the inside wall threaded connection of screw hole b (9) has bolt (10), bolt (10) pass the inside wall of screw hole b (9) threaded connection at screw hole a (8).
2. The valve with the dross filtering function of claim 1, wherein: the number of the limiting slide blocks (3) on the mounting ring (2) is four, and the four limiting slide blocks (3) are arranged on the outer surface of the mounting ring (2) in an annular array.
3. The valve with the dross filtering function of claim 1, wherein: buffer spring (5) cover is established at the surface of telescopic link (12), the both ends of telescopic link (12) respectively with the inside wall of spacing spout (4) and a side fixed connection of spacing slider (3).
4. The valve with the dross filtering function of claim 1, wherein: the number of bolts (10) on filter screen (11) is four, and four bolts (10) are installed on filter screen (11) in annular array.
5. The valve with the dross filtering function of claim 1, wherein: the corrosion-resistant sealing ring (6) is specifically made of fluororubber.
6. The valve with the dross filtering function of claim 1, wherein: the length of the corrosion-resistant sealing ring (6) is larger than the distance between the limiting sliding block (3) and the inner side wall of the limiting sliding groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127541.XA CN110762267A (en) | 2019-11-18 | 2019-11-18 | Valve with dreg filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127541.XA CN110762267A (en) | 2019-11-18 | 2019-11-18 | Valve with dreg filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110762267A true CN110762267A (en) | 2020-02-07 |
Family
ID=69338208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911127541.XA Pending CN110762267A (en) | 2019-11-18 | 2019-11-18 | Valve with dreg filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110762267A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637260A (en) * | 2020-06-10 | 2020-09-08 | 盐城支点机械制造有限公司 | Valve convenient for replacing filter screen |
| CN111765294A (en) * | 2020-05-22 | 2020-10-13 | 横店集团东磁股份有限公司 | Tap suitable for water purifier |
| CN112228646A (en) * | 2020-11-03 | 2021-01-15 | 崔如福 | Sealed valve |
| CN115823340A (en) * | 2023-02-22 | 2023-03-21 | 西安高压阀门厂集团有限公司 | Titanium alloy valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH610211A5 (en) * | 1977-05-23 | 1979-04-12 | Pierre Boillat | Cock for pipe conveying fluid at pressure |
| CN207961591U (en) * | 2018-03-08 | 2018-10-12 | 北京信远通环境工程技术有限责任公司 | A kind of big channel-type ball valve |
| CN208074221U (en) * | 2018-03-17 | 2018-11-09 | 安能阀门有限公司 | Buffer homing position type check-valves |
| CN208097496U (en) * | 2018-03-27 | 2018-11-16 | 连云港市新诚化工有限公司 | A kind of anticollision filter plate of membrane pressure filter |
| CN208487264U (en) * | 2018-06-07 | 2019-02-12 | 浙江字本汽配科技有限公司 | A kind of two-position three way magnetic valve structure |
| CN109882598A (en) * | 2019-01-29 | 2019-06-14 | 王欣 | A kind of tap being easily installed with filter structure |
| CN209385857U (en) * | 2018-12-13 | 2019-09-13 | 江苏荣泉科技发展有限公司 | A kind of round regulating valve facilitating installation |
-
2019
- 2019-11-18 CN CN201911127541.XA patent/CN110762267A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH610211A5 (en) * | 1977-05-23 | 1979-04-12 | Pierre Boillat | Cock for pipe conveying fluid at pressure |
| CN207961591U (en) * | 2018-03-08 | 2018-10-12 | 北京信远通环境工程技术有限责任公司 | A kind of big channel-type ball valve |
| CN208074221U (en) * | 2018-03-17 | 2018-11-09 | 安能阀门有限公司 | Buffer homing position type check-valves |
| CN208097496U (en) * | 2018-03-27 | 2018-11-16 | 连云港市新诚化工有限公司 | A kind of anticollision filter plate of membrane pressure filter |
| CN208487264U (en) * | 2018-06-07 | 2019-02-12 | 浙江字本汽配科技有限公司 | A kind of two-position three way magnetic valve structure |
| CN209385857U (en) * | 2018-12-13 | 2019-09-13 | 江苏荣泉科技发展有限公司 | A kind of round regulating valve facilitating installation |
| CN109882598A (en) * | 2019-01-29 | 2019-06-14 | 王欣 | A kind of tap being easily installed with filter structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765294A (en) * | 2020-05-22 | 2020-10-13 | 横店集团东磁股份有限公司 | Tap suitable for water purifier |
| CN111765294B (en) * | 2020-05-22 | 2021-11-19 | 横店集团东磁股份有限公司 | Tap suitable for water purifier |
| CN111637260A (en) * | 2020-06-10 | 2020-09-08 | 盐城支点机械制造有限公司 | Valve convenient for replacing filter screen |
| CN112228646A (en) * | 2020-11-03 | 2021-01-15 | 崔如福 | Sealed valve |
| CN115823340A (en) * | 2023-02-22 | 2023-03-21 | 西安高压阀门厂集团有限公司 | Titanium alloy valve |
| CN115823340B (en) * | 2023-02-22 | 2023-05-09 | 西安高压阀门厂集团有限公司 | Titanium alloy valve |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200207 |
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| RJ01 | Rejection of invention patent application after publication |