CN216407856U - A quick-release valve anti-blocking filter component - Google Patents
A quick-release valve anti-blocking filter component Download PDFInfo
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- CN216407856U CN216407856U CN202122829881.6U CN202122829881U CN216407856U CN 216407856 U CN216407856 U CN 216407856U CN 202122829881 U CN202122829881 U CN 202122829881U CN 216407856 U CN216407856 U CN 216407856U
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Abstract
本实用新型公开了一种快拆式阀门防堵过滤部件，涉及阀门领域，包括阀门主体、阀门连接法兰、导管连接法兰、密封圈、杂质过滤部件和导流阻挡部件；阀门主体，阀门主体一端安装有阀门连接法兰，阀门连接法兰远离阀门主体的一端连接有导管连接法兰。通过设置在流体进入管和阀门主体之间的杂质过滤部件，可以在流体流入阀门之前对流体中的杂质进行过滤，同时设置导流阻挡部件和杂质收集部件，可以降低对流体流动的影响，同时将过滤后的杂质阻隔在导流阻挡部件和杂质过滤部件之间，并在流体流完之后，可以对杂质进行统一的收集清理以及对相关部件进行拆卸清理，降低杂质的粘附，保护相关部件和阀门的正常使用。
The utility model discloses a quick-release valve anti-blocking filter part, which relates to the field of valves and comprises a valve main body, a valve connecting flange, a conduit connecting flange, a sealing ring, an impurity filtering part and a diversion blocking part; a valve main body, a valve One end of the main body is installed with a valve connecting flange, and one end of the valve connecting flange away from the valve main body is connected with a conduit connecting flange. The impurities in the fluid can be filtered before the fluid flows into the valve by the impurity filtering part arranged between the fluid inlet pipe and the valve body. At the same time, the guide blocking part and the impurity collecting part can be arranged to reduce the influence on the fluid flow, and at the same time The filtered impurities are blocked between the diversion blocking part and the impurity filtering part, and after the fluid flows, the impurities can be collected and cleaned uniformly, and the related parts can be disassembled and cleaned to reduce the adhesion of impurities and protect the related parts. and normal use of the valve.
Description
Technical Field
The utility model relates to the field of valves, in particular to a quick-release type valve anti-blocking filter component.
Background
The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluid such as water, slurry, oil products, liquid metal and the like.
At present, when the valve is used, impurities can be carried in fluid of the entering valve, part of the impurities can be retained in the valve when the impurities pass through the valve, and after the valve is used for a long time, along with the increase of the impurities accumulated in the valve, the tightness of the valve can be influenced, the leakage of the fluid can be caused, the valve can be damaged, the normal work of the valve can be influenced, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a quick-release valve anti-blocking filter part aiming at the defects so as to solve the problems in the prior art.
The technical scheme is as follows: a quick-release type valve anti-blocking filter component comprises a valve main body, a valve connecting flange, a guide pipe connecting flange, a sealing ring, an impurity filter component and a flow guide blocking component;
the valve comprises a valve main body, wherein one end of the valve main body is provided with a valve connecting flange, and one end of the valve connecting flange, which is far away from the valve main body, is connected with a guide pipe connecting flange;
the sealing ring is connected between the valve connecting flange and the guide pipe connecting flange and used for improving the connection tightness of the valve connecting flange and the guide pipe connecting flange;
the impurity filtering component is arranged in the sealing ring and comprises a flow guide column, one end of the flow guide column is inserted into the valve connecting flange, a first flow guide groove for guiding flow is arranged on the flow guide column in a penetrating mode, a first mounting groove is formed in the inner wall of the first flow guide groove, and an impurity filtering net for filtering impurities is clamped in the first mounting groove;
and the diversion blocking component is arranged at one end of the diversion column, which is far away from the valve main body, and is used for blocking precipitated impurities.
In a further embodiment, the diversion blocking member comprises an impurity baffle, a pair of connection plates, a plurality of first threaded holes, and a plurality of first screws;
the impurity baffle is arranged at one end, far away from the valve main body, of the guide column, a second guide groove penetrates through the impurity baffle, the diameter of the second guide groove is smaller than that of the first installation groove, and in addition, the diameter of the first installation groove is larger than that of the first guide groove, so that an impurity filter screen can be clamped in the first installation groove;
the pair of connecting plates are connected between the impurity baffle and the impurity filter screen and are used for connecting the impurity baffle and the impurity filter screen, so that a user can conveniently take out the impurity filter screen from the first mounting groove by using the impurity baffle, and the impurity filter screen is cleaned, replaced and the like;
a plurality of first screw holes are correspondingly arranged on the impurity baffle and the flow guide column, the first screw holes are internally connected with first screws for fixing the impurity baffle and the flow guide column in a threaded manner, and the first screw holes and the first screws are used for fixing the impurity baffle and the flow guide column.
In a further embodiment, the impurity filtering part further comprises a pair of connecting grooves, a collecting slot, an impurity leakage slot and a leakage-proof slot;
the connecting grooves are formed in the inner wall of the first mounting groove and used for clamping connecting plates;
the collecting slot is arranged at the lower end of the flow guide column, an impurity collecting part is arranged in the flow guide column, and impurities in the fluid can be finally remained on the inner wall of the first threaded hole between the impurity filter screen and the impurity baffle plate under the action of gravity after the fluid passes through the impurity filter screen;
the impurity leakage groove penetrates through the inner wall of the collecting slot and is communicated with the first mounting groove, and is used for leaking impurities;
and the leakage-proof slot is arranged on the flow guide column and communicated with the collecting slot.
In a further embodiment, the foreign substance collecting member includes a foreign substance collecting case, a lower seal fixing ring, and a pair of second screw holes;
the impurity collecting box is slidably arranged in the collecting slot, the upper end of the impurity collecting box is provided with an opening for collecting impurities, and the area of the opening at the upper end of the impurity collecting box is larger than that of the impurity leakage groove, so that the impurities can fall into the impurity collecting box conveniently;
the lower sealing fixing ring is connected to one end, far away from the collecting slot, of the impurity collecting box and is used for connecting the impurity collecting box and the flow guide column;
the pair of second screw holes are correspondingly arranged on the lower sealing and fixing ring and the flow guide column, the second screw holes are internally provided with equal screw threads which are used for fixing the lower sealing and fixing ring and the flow guide column, and the second screw holes and the second screw threads are used for fixing the lower sealing and fixing ring and the flow guide column, so that the impurity collecting box and the flow guide column are further fixed.
In a further embodiment, the diversion blocking part further comprises a leakage-proof insert plate, a second fixing plate and a pair of third threaded holes;
the leakage-proof inserting plate is inserted into the leakage-proof slot and used for preventing fluid from entering the impurity collecting box;
the second fixing plate is connected to one end, far away from the leakage-proof slot, of the leakage-proof plugboard, a fixing clamping slot for clamping the second fixing plate is formed in the impurity baffle, the second fixing plate is used for connecting the leakage-proof plugboard and the flow guide column, and the fixing clamping slot is matched with the leakage-proof plugboard, so that the leakage-proof plugboard can be clamped into the fixing clamping slot, and the inserting stability of the leakage-proof plugboard is improved;
a pair of third screw hole corresponds to set up in on second fixed plate and the water conservancy diversion post, and is a pair of third threaded hole is downthehole equal threaded connection of third threaded hole has the third screw that is used for fixed second fixed plate and water conservancy diversion post, and setting up of third screw hole and third screw is used for fixed second fixed plate and water conservancy diversion post to further fixed leak protection picture peg and water conservancy diversion post, simultaneously, be convenient for carry out operations such as dismouting change to second fixed plate, leak protection picture peg and water conservancy diversion post.
In a further embodiment, the impurity filtering member further comprises an upper sealing ring;
go up the sealing ring, the cooperation the lower seal solid fixed ring is located between water conservancy diversion post and the sealing washer for connect water conservancy diversion post and sealing washer, go up sealing ring and lower seal solid fixed ring phase-match, make the outer wall of water conservancy diversion post and impurity baffle by the cladding, can improve the leakproofness that water conservancy diversion post and impurity baffle are connected, water conservancy diversion post and sealing washer looks adaptation simultaneously can cooperate the sealing washer to improve the leakproofness that valve main part and valve flange and impurity filtering component are connected entirely.
Has the advantages that: the utility model discloses a quick-release valve anti-blocking filter part, which can filter impurities in fluid before the fluid flows into a valve through an impurity filter part arranged between a fluid inlet pipe and a valve main body, and can reduce the influence on the fluid flow by arranging a flow guide blocking part and an impurity collecting part at the same time, and can separate the filtered impurities between the flow guide blocking part and the impurity filter part, and can uniformly collect and clean the impurities and disassemble and clean related parts after the fluid flows out, thereby reducing the adhesion of the impurities and protecting the normal use of the related parts and the valve.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention.
Fig. 2 is an exploded view of the overall structure of the present invention.
Fig. 3 is a cross-sectional view of the overall structure of the present invention.
Fig. 4 is a view showing the effect of the present invention installed between the valve and the fluid inlet pipe.
The figures are numbered: 1. the valve comprises a valve body, 2, a valve connecting flange, 3, a guide pipe connecting flange, 4, a sealing ring, 5, an impurity filtering part, 501, a guide column, 502, a first guide groove, 503, a first mounting groove, 504, an impurity filter screen, 505, a connecting groove, 506, an impurity leakage groove, 507, a leakage-proof slot, 508, an upper sealing ring, 6, a guide blocking part, 601, an impurity baffle, 602, a connecting plate, 603, a first threaded hole, 604, a first screw, 605, a fixing clamping groove, 606, a leakage-proof inserting plate, 607, a second fixing plate, 608, a third threaded hole, 609, a third threaded nail, 7, an impurity collecting part, 701, an impurity collecting box, 702, a lower sealing fixing ring, 703, a second threaded hole, 704 and a second threaded nail.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
The applicant believes that in use of the existing valve, impurities may be carried in the fluid entering the valve, the impurities may accumulate in the valve, the sealing performance of the valve may be affected, and the valve may be damaged, and the normal operation of the valve may be affected.
For this purpose, the applicant proposes a quick-release valve anti-blocking filter component, as shown in fig. 1 to 4, comprising a valve main body 1, a valve connecting flange 2, a conduit connecting flange 3, a sealing ring 4, an impurity filter component 5 and a flow guide blocking component 6.
Wherein, valve flange 2 is installed to valve main part 1 one end, and the one end that valve flange 2 kept away from valve main part 1 is connected with pipe flange 3, and pipe flange 3 keeps away from valve flange 2 one end and fluid admission pipe fixed connection, and pipe flange 3 and valve flange 2 are the adapting unit of valve main part 1 and fluid admission pipe, and fluid gets into in the valve main part 1 after passing impurity filter part 5 through the fluid admission pipe.
The sealing ring 4 is connected between the valve connecting flange 2 and the conduit connecting flange 3 and used for improving the connection tightness of the valve connecting flange 2 and the conduit connecting flange 3.
In sealing washer 4 is located to impurity filtering component 5, insert the water conservancy diversion post 501 of locating in valve flange 2 including one end, run through on the water conservancy diversion post 501 and offer the first guiding gutter 502 that is used for the water conservancy diversion, seted up first mounting groove 503 on the first guiding gutter 502 inner wall, the card is equipped with the impurity filter screen 504 that is used for filtering impurity in the first mounting groove 503.
The diversion blocking component 6 is installed at one end of the diversion column 501 far away from the valve body 1 and used for blocking precipitated impurities.
As shown in fig. 2 to 4, the guide blocking member 6 includes an impurity blocking plate 601, a pair of connection plates 602, a plurality of first screw holes 603, and a plurality of first screws 604.
Wherein, impurity baffle 601 is located the one end that guide column 501 kept away from valve main part 1, runs through on the impurity baffle 601 and has seted up the second guiding gutter, and the diameter of second guiding gutter is less than the diameter of first mounting groove 503.
In addition, the diameter of first mounting groove 503 is greater than the diameter of first guiding gutter 502, can make impurity filter screen 504 chucking in first mounting groove 503, during the actual use, the fluid that carries impurity passes through impurity baffle 601 via the second guiding gutter and gets into in first mounting groove 503, then flow out after impurity filter screen 504 filters, impurity after the filtration is supported tightly on impurity filter screen 504 by the power that fluid flow produced at the in-process that fluid flows, after fluid flow finishes making impurity lose the supporting force, impurity deposits on the first mounting groove 503 inner wall between impurity filter screen 504 and impurity baffle 601.
A pair of connecting plates 602 is connected between impurity baffle 601 and impurity filter screen 504 for connect impurity baffle 601 and impurity filter screen 504, the person of facilitating the use utilizes impurity baffle 601 to take out impurity filter screen 504 from first mounting groove 503, thereby clean impurity filter screen 504, change operation such as.
A plurality of first screw holes 603 are correspondingly opened on impurity baffle 601 and guide column 501, the interior equal threaded connection of a plurality of first screw holes 603 has first screw 604 that is used for fixed impurity baffle 601 and guide column 501, the setting of first screw hole 603 and first screw 604 is used for fixed impurity baffle 601 and guide column 501, simultaneously because impurity baffle 601 and impurity filter screen 504 are connected through connecting plate 602, thereby after impurity baffle 601 is fixed, also can further fix impurity filter screen 504 in first mounting groove 503, furthermore, through the setting of first screw hole 603 and first screw 604, also convenient to use person can carry out operations such as dismouting, change and cleanness to impurity baffle 601 and guide column 501 and impurity filter screen 504.
As shown in fig. 3 to 4, the foreign substance filtering member 5 further includes a pair of coupling grooves 505, a collecting insertion groove, a foreign substance leakage groove 506, and a leakage preventing insertion groove 507.
The pair of connecting grooves 505 is provided on an inner wall of the first mounting groove 503 for clamping the connecting plate 602, the length of the first mounting groove 503 is less than the length of the first guiding groove 502, and the first mounting groove 503 penetrates and provides the guiding column 501 away from the valve body 1, so that the other end surface of the guiding column 501 forms a filter screen blocking surface, and the impurity filter screen 504 can be abutted against the filter screen blocking surface after being clamped in the first mounting groove 503.
During the installation, can be directly with impurity filter screen 504 along first mounting groove 503 inner wall slide in, it can until impurity filter screen 504 blocks the face butt with the filter screen, not only make things convenient for the installation of impurity filter screen 504, also can improve the stability of impurity filter screen 504 installation, and simultaneously, connecting groove 505 runs through the one side of keeping away from valve main part 1 with guide pillar 501 and sets up, and connecting groove 505 and connecting plate 602 looks adaptation, be connected impurity baffle 601 and impurity filter screen 504 through connecting plate 602, during the installation, align connecting plate 602 and connecting groove 505, then, utilize impurity filter screen 504 to slide in first mounting groove 503, drive in connecting plate 602 slides in connecting groove 505, during the dismantlement, the above-mentioned step of reverse operation can.
The collection slot is opened in the guide column 501 lower extreme, installs impurity collecting element 7 in the guide column 501, and impurity in the fluid is after the fluid passes through impurity filter screen 504, because the action of gravity, finally can stay on the first screw hole 603 inner wall between impurity filter screen 504 and impurity baffle 601.
The impurity filter screen 504 is simply installed in the existing part of the valve main body 1, although the impurities in the fluid can be filtered by the impurity filter screen 504 after passing through the impurity filter screen 504, the filtered impurities can be directly remained on the inner wall of the valve main body 1 or the fluid inlet pipe, which is not only inconvenient for subsequent cleaning and collection, meanwhile, after long-time use, the filtered impurities can also be attached on the inner wall of the valve main body 1 or the fluid inlet pipe, thereby damaging the inner wall of the valve main body 1 or the fluid inlet pipe, affecting the normal use of the valve main body 1 or the fluid inlet pipe, the impurity collecting component 7 is arranged after the fluid flows out, and the impurities filtered by the impurity filter screen 504 can be cleaned and collected in time.
Impurity small opening 506 runs through and sets up on collecting the slot inner wall and be linked together with first mounting groove 503, be used for impurity to spill, the area of impurity small opening 506 is less than the area of collecting the slot, make impurity can fall into impurity collecting part 7 via impurity small opening 506, and simultaneously, can also set up the impurity spout that has predetermined angle and is linked together with impurity small opening 506 on first mounting groove 503 inner wall, be convenient for impurity from first mounting groove 503 inner wall slip into impurity small opening 506 in, finally collect by impurity collecting part 7, and in addition, when impurity filter screen 504 takes out from first mounting groove 503, also can take out adnexed partial impurity on the first mounting groove 503 inner wall, utilize the slip of impurity filter screen 504 to clear up first mounting groove 503 inner wall.
The leak-proof slot 507 is opened on the flow guiding column 501 and is communicated with the collecting slot.
As shown in fig. 2 to 4, the foreign substance collecting member 7 includes a foreign substance collecting box 701, a lower seal fixing ring 702, and a pair of second screw holes 703.
Wherein, impurity collection box 701 slides and locates in collecting the slot, and impurity collection box 701 upper end opening for collect impurity, and impurity collection box 701's upper end open area is greater than the area of impurity small opening 506, and the impurity of being convenient for falls into in impurity collection box 701.
The lower sealing fixing ring 702 is connected to one end of the impurity collecting box 701 away from the collecting slot, and is used for connecting the impurity collecting box 701 and the flow guiding column 501.
A pair of second screw hole 703, correspond and offer down on sealed solid fixed ring 702 and the guide post 501, equal threaded connection has the second screw 704 that is used for fixed sealed solid fixed ring 702 and guide post 501 down in a pair of second screw hole 703, the setting of second screw hole 703 and second screw 704 is used for fixed sealed solid fixed ring 702 and guide post 501 down, thereby further fixed impurity collection box 701 and guide post 501, and simultaneously, be convenient for carry out the dismouting to impurity collection part 7 and guide post 501, be convenient for in time clean and impurity collection box 701's dismouting change operation etc. impurity in the impurity collection box 701.
As shown in fig. 2 to 3, the flow guide blocking member 6 further includes a leakage preventing insert plate 606, a second fixing plate 607, and a pair of third screw holes 608.
The leakage-proof insertion plate 606 is inserted into the leakage-proof slot 507 to block fluid from entering the impurity collecting box 701, when the fluid normally flows, the leakage-proof insertion plate 606 is inserted into the leakage-proof slot 507 to ensure that the fluid normally flows in the first mounting groove 503 and cannot flow into the impurity collecting box 701, after the fluid flows out, the leakage-proof insertion plate 606 is drawn out from the leakage-proof slot 507, and at the moment, impurities falling on the inner wall of the first mounting groove 503 and the leakage-proof insertion plate 606 can fall into the impurity collecting box 701 through the impurity leakage slot 506.
The second fixing plate 607 is connected to one end of the leakage-proof insertion plate 606 far away from the leakage-proof slot 507, the impurity baffle 601 is provided with a fixing clamping groove 605 for clamping the second fixing plate 607, the second fixing plate 607 is used for connecting the leakage-proof insertion plate 606 and the flow guide column 501, the fixing clamping groove 605 is matched with the leakage-proof insertion plate 606, the leakage-proof insertion plate 606 can be clamped into the fixing clamping groove 605, and the insertion stability of the leakage-proof insertion plate 606 is improved.
The pair of third threaded holes 608 are correspondingly formed in the second fixing plate 607 and the guide column 501, third threaded nails 609 for fixing the second fixing plate 607 and the guide column 501 are respectively in threaded connection with the pair of third threaded holes 608, and the third threaded holes 608 and the third threaded nails 609 are arranged for fixing the second fixing plate 607 and the guide column 501, so that the leakage-proof insertion plate 606 and the guide column 501 are further fixed, and meanwhile, the second fixing plate 607, the leakage-proof insertion plate 606 and the guide column 501 can be conveniently disassembled, replaced and the like.
In addition, the foreign substance filter member 5 further includes an upper sealing ring 508.
The upper sealing ring 508 is arranged between the flow guiding column 501 and the sealing ring 4 by matching with the lower sealing fixing ring 702, used for connecting the guide column 501 with the sealing ring 4, the upper sealing ring 508 is matched with the lower sealing fixing ring 702, the outer walls of the guide column 501 and the impurity baffle 601 are coated, the connection tightness between the guide column 501 and the impurity baffle 601 can be improved, meanwhile, a sealing fixing groove matched with the upper sealing ring 508 is arranged on the sealing ring 4 in a penetrating way, the upper sealing ring 508 is connected with the sealing ring 4 through the sealing fixing groove, can be matched with the sealing ring 4 to improve the sealing performance of the integral connection of the valve main body 1, the valve connecting flange 2 and the impurity filtering component 5, in addition, the first screw 604, the third screw 609, the upper sealing ring 508, the impurity baffle 601 and the lower sealing fixing ring 702 are all positioned on the same horizontal plane with the surface of the sealing ring 4 close to the valve connecting flange 2, so that the sealing performance of the device during installation and use can be improved.
The working principle is as follows: when the sealing device is installed, firstly, a pair of connecting plates 602 is aligned with a connecting groove 505, an impurity filter screen 504 and the connecting plates 602 are respectively slid into a first installation groove 503 and the connecting groove 505 and are abutted tightly, then a first screw 604 is screwed into a first threaded hole 603 to fix an impurity baffle 601 and a guide post 501, then a leakage-proof inserting plate 606 and an impurity collecting box 701 are respectively slid into a leakage-proof slot 507 and a collecting slot, a third threaded nail 609 and a second threaded nail 704 are respectively screwed into a second fixing plate 607, the guide post 501, a lower sealing fixing ring 702, a third threaded hole 608 and a second threaded hole 703 of the guide post 501 correspondingly, the second fixing plate 607 and the lower sealing fixing ring 702 are fixed with the guide post 501, then the guide post 501 is inserted into a valve connecting flange 2, a sealing ring 4 is installed on an outer wall of an upper sealing ring 508 and a lower sealing fixing ring 702, and then the valve connecting flange 2 and the guide connecting flange 3 are fixed, and when the device is disassembled, the steps are operated in the reverse direction.
After the fluid flows to one end of the fluid inlet pipe close to the valve body 1, the fluid carrying impurities enters the first installation groove 503 through the impurity baffle plate 601 via the second diversion trench, then flows out after being filtered by the impurity filter screen 504, the filtered impurities are pressed against the impurity filter screen 504 by the force generated by the fluid flow in the fluid flowing process, after the fluid flows out and the impurities lose the pressing force, the impurities are deposited on the first installation groove 503 between the impurity filter screen 504 and the impurity baffle plate 601 and the inner wall of the leakage-proof insert plate 606, after the fluid flows out, the third screw nail 609 is screwed out from the third screw hole 608, the leakage-proof insert plate 606 is pulled out from the leakage-proof insert groove 507 by the second fixing plate 607, the impurities falling on the inner wall of the first installation groove and the leakage-proof insert plate 606 can fall into the impurity collection box 701 via the impurity leakage groove 506, and then the second screw nail 704 can be screwed out from the second screw hole 703, the impurity collecting box 701 is drawn out from the collecting slot by the lower sealing fixing ring 702, impurities in the impurity collecting box 701 and the impurity collecting box 701 are cleaned, and then relevant parts are disassembled and assembled according to the steps.
As above, while the utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829881.6U CN216407856U (en) | 2021-11-18 | 2021-11-18 | A quick-release valve anti-blocking filter component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829881.6U CN216407856U (en) | 2021-11-18 | 2021-11-18 | A quick-release valve anti-blocking filter component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407856U true CN216407856U (en) | 2022-04-29 |
Family
ID=81301916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122829881.6U Expired - Fee Related CN216407856U (en) | 2021-11-18 | 2021-11-18 | A quick-release valve anti-blocking filter component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407856U (en) |
-
2021
- 2021-11-18 CN CN202122829881.6U patent/CN216407856U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220429 |