CN212338252U - Floating seal's two formula automatically cleaning ball valves - Google Patents
Floating seal's two formula automatically cleaning ball valves Download PDFInfo
- Publication number
- CN212338252U CN212338252U CN202021560753.5U CN202021560753U CN212338252U CN 212338252 U CN212338252 U CN 212338252U CN 202021560753 U CN202021560753 U CN 202021560753U CN 212338252 U CN212338252 U CN 212338252U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 72
- 238000007667 floating Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims description 12
- 210000001595 mastoid Anatomy 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002105 nanoparticle Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 49
- 230000000694 effects Effects 0.000 abstract description 14
- 240000002853 Nelumbo nucifera Species 0.000 abstract description 7
- 235000006508 Nelumbo nucifera Nutrition 0.000 abstract description 7
- 235000006510 Nelumbo pentapetala Nutrition 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The invention discloses a floating sealed two-piece self-cleaning ball valve, belonging to the field of ball valves, which can realize self-cleaning of a floating ball valve, can avoid a large amount of impurities from accumulating between the ball body and the inner wall of a valve seat by installing the ball body in a ball body seat, and protect the ball body from being corroded by the impurities, can greatly reduce the probability of scaling of the impurities on the inner wall of the ball body seat by arranging cleaning scrapers at two sides of the ball body when the ball body rotates, and can take away the media by vibrating the impurities deposited on the inner wall of the ball body seat by utilizing the vibrating action of the deformation recovery of the deformation plate to vibrate the impurities so as to take away the media, thereby realizing self-cleaning of the ball body and ensuring the long-time stable work of the ball valve, and in addition, a cleaning ball similar to a lotus leaf surface structure is arranged in a flow passage of the ball body to prevent the impurities from remaining, further improving the self-cleaning effect of the ball valve.
Description
Technical Field
The invention relates to the field of ball valves, in particular to a floating-sealed two-piece self-cleaning ball valve.
Background
The two-piece ball valve with internal thread and gate valve are both a kind of valve, and their closing member is a ball body, and the ball body can be rotated around the central line of valve body so as to attain the goal of opening and closing. The ball valve is mainly used for cutting, distributing and changing the flowing direction of a medium in a pipeline, the ball body of the ball valve is floating, and under the action of medium pressure, the ball body can generate certain displacement and is tightly pressed on a sealing surface of an outlet end, so that the outlet end is sealed.
Although the ball valve that floats is simple good to use, inside impurity of remaining easily, in the stage that the ball valve was closed very much, can smuggle secretly little particle impurity among some fluid medium, can appear when the ball valve is closed and deposit, a large amount of impurity can scale deposit on the spheroid after the time has been of a specified duration, and then corrode the spheroid, direct influence the normal use of ball valve, and also be detained impurity easily in spheroidal runner, the clearance mode that adopts at present still will disassemble the pipeline disconnection and clear up, the manpower that consumes, cost such as time is great.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a floating sealed two-piece self-cleaning ball valve which can realize self-cleaning of the floating ball valve, can avoid a large amount of impurities from accumulating between the ball body and the inner wall of a valve seat by installing the ball body in a ball body seat and protect the ball body from being corroded by the impurities, can greatly reduce the probability of scaling of the impurities on the inner wall of the ball body seat by arranging cleaning scrapers at two sides of the ball body, namely scraping the impurities deposited on the outer surface of the ball body off by the cleaning scrapers when the ball body rotates, so as to realize cleaning of the outer surface of the ball body, and can also arrange a deformation plate on the inner wall of the ball body seat so as to ensure that the inner wall of the ball body seat has an arch surface, and can vibrate the impurities deposited on the deformation plate by utilizing the vibration effect of restoring deformation of the deformation plate so as to take away media, thereby realizing self-, in addition, a cleaning ball similar to a lotus leaf surface structure is arranged in a flow passage of the ball body to prevent impurities from remaining, and the self-cleaning effect of the ball valve is further improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A floating-sealed two-piece self-cleaning ball valve comprises a valve seat body, wherein two sealing rings are arranged inside the valve seat body, a ball seat is clamped between the two sealing rings, a ball body is rotatably connected in the ball seat, two cleaning scraper blades are fixedly connected to the inner wall of the ball seat, the ball body is positioned between the two cleaning scraper blades and comprises a flow channel, the inner wall of the flow channel is inlaid with uniformly-distributed cleaning balls, a plurality of first piston cavities and second piston cavities are formed in the inner wall of the ball seat, one first piston cavity and one second piston cavity are in a group, a deformation plate is fixedly connected to the inner wall of the opening end of the second piston cavity, the first piston cavity is communicated with the second piston cavity, pistons are slidably connected in the first piston cavity and the second piston cavity, and hydraulic oil is filled in the first piston cavity and the second piston cavity, and air is filled between the second piston cavity and the deformation plate.
It can realize the self-cleaning of the floating ball valve, through installing the spheroid in the spheroid seat, can avoid impurity to accumulate in a large number between spheroid and disk seat inner wall, protect the spheroid not to receive the corruption of impurity, through setting up the cleaning scraper blade in spheroid both sides, the cleaning scraper blade can be scraped off the impurity that deposits on the spheroid surface when the spheroid rotates, realize the cleaning of spheroid surface, and still set up the deformation board on the inner wall of spheroid seat, make the inner wall of spheroid seat appear the arcwall, so can greatly reduce the probability of impurity scale deposit in spheroid seat inner wall, and utilize the vibration effect that the deformation board resumes deformation to vibrate the impurity that deposits on it, in order to let the medium take away, thereby realize the self-cleaning of spheroid, ensure the long-time steady operation of ball valve, in addition still set up the cleaning ball similar to lotus leaf surface structure in the runner of spheroid and prevent the impurity from remaining, further improving the self-cleaning effect of the ball valve.
Further, the cleaning scraper blade includes the supporter, one side lateral wall shape of supporter is the arc, and the supporter pastes with spheroidal outer wall mutually, fixedly connected with doctor-bar on the arc lateral wall of supporter, and the doctor-bar adopts silica gel material, and at spheroid pivoted in-process, the doctor-bar will glue the impurity of gluing on the spheroid surface and scrape off, avoids impurity to pile up in a large number, realizes the cleanness of spheroid surface.
Furthermore, the cleaning ball comprises a ball, the outer wall of the ball is fixedly connected with dense and uniformly distributed micron-sized mastoids, the outer wall of the mastoids is fixedly connected with dense and uniformly distributed nano-sized particles, the structure imitates the structure on the surface of lotus leaves, and the retention of impurities on the inner wall of the flow channel is prevented through a micron-nanometer dual structure, so that the self-cleaning of the inner part of the ball is realized.
Furthermore, the ball is made of stainless steel materials, so that the ball is ensured to have certain strength, and the ball is of a hollow structure, so that the weight is reduced.
Further, a plurality of inlaying cavities are formed in the inner wall of the spherical runner, the ball is inlaid in the inlaying cavities, and when the medium passes through the runner, the ball can be driven to roll in the inlaying cavities, so that retention of impurities is further prevented.
Furthermore, the deformation plate is made of rubber materials, rubber has elasticity, deformation can be recovered, and the deformation plate is flush with the inner wall of the ball seat in a natural state.
Furthermore, the inside of the deformation plate is inlaid with a spring piece, the force for restoring the deformation is increased for the deformation plate, and meanwhile, the deformation restoring speed of the deformation plate can be accelerated, so that the deformation plate has a strong vibration effect, and the length of the spring piece is smaller than that of the deformation plate.
Furthermore, the inner diameter of the first piston cavity is smaller than that of the second piston cavity, so that the covering surface of the deformation plate is increased as much as possible.
Further, the inner diameter of the open end of the first piston cavity is slightly smaller than the diameter of the piston in the first piston cavity, so that the piston in the first piston cavity is prevented from being extruded out.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the self-cleaning of the floating ball valve can be realized by the scheme, the ball body is arranged in the ball body seat, the impurity can be prevented from being accumulated in a large amount between the ball body and the inner wall of the valve seat, the ball body is protected from being corroded by the impurity, the cleaning scraping plates are arranged on two sides of the ball body, when the ball body rotates, the impurities deposited on the outer surface of the ball body can be scraped off by the cleaning scraping plates, the cleaning of the outer surface of the ball body is realized, the deformation plate is also arranged on the inner wall of the ball body seat, an arch surface appears on the inner wall of the ball body seat, the probability of scaling of the impurities on the inner wall of the ball body seat can be greatly reduced, and the impurities deposited on the deformation plate are vibrated by utilizing the vibration effect of the deformation recovery of the deformation plate, so that a medium is taken away, the self-cleaning of the ball body is realized, the long, further improving the self-cleaning effect of the ball valve.
(2) The cleaning scraper comprises a supporting body, the shape of the side wall of one side of the supporting body is arc-shaped, the supporting body is attached to the outer wall of the ball body, the scraping blade is fixedly connected to the arc-shaped side wall of the supporting body and made of silica gel materials, and in the process of ball body rotation, the impurities adhered to the outer surface of the ball body are scraped by the scraping blade, so that the impurities are prevented from being accumulated in a large amount, and the outer surface of the ball body is cleaned.
(3) The cleaning ball comprises a ball, the outer wall of the ball is fixedly connected with dense and uniformly distributed micron-sized mastoids, the outer wall of the mastoids is fixedly connected with dense and uniformly distributed nano-sized particles, the structure imitates the structure on the surface of lotus leaves, and the retention of impurities on the inner wall of the flow channel is prevented through a micron-nanometer dual structure, so that the self-cleaning of the inner part of the ball is realized.
(4) The ball adopts stainless steel material, ensures that the ball has certain intensity, and the ball is hollow structure, weight reduction.
(5) A plurality of embedding cavities are formed in the inner wall of the spherical flow channel, the ball is embedded in the embedding cavities, and when the medium passes through the flow channel, the ball can be driven to roll in the embedding cavities, so that the retention of impurities is further prevented.
(6) The deformation plate is made of rubber materials, rubber has elasticity, deformation can be recovered, and the deformation plate is flush with the inner wall of the ball seat in a natural state.
(7) The inside of the deformation board is inlayed and is had the spring leaf, increases the power of recovering deformation for the deformation board, also can accelerate the deformation recovery speed of deformation board simultaneously for the deformation board has stronger vibration effect, and the length of spring leaf is less than the length of deformation board.
(8) The inner diameter of the first piston cavity is smaller than that of the second piston cavity, so that the coverage surface of the deformation plate is increased as much as possible.
(9) The inner diameter of the open end of the first piston chamber is slightly smaller than the diameter of the piston therein so as to prevent the piston in the first piston chamber from being extruded out.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the ball seat of the present invention;
FIG. 3 is a schematic view of a first state structure of the present invention;
FIG. 4 is a structural diagram illustrating a second state of the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 3;
FIG. 6 is a schematic cross-sectional view of a sphere according to the present invention;
FIG. 7 is a schematic view of the cleaning ball of the present invention;
fig. 8 is a schematic side view of the ball seat of the present invention.
The reference numbers in the figures illustrate:
the hydraulic oil valve comprises a valve seat body 1, a sealing ring 2, a ball seat 3, a ball 4, an embedding cavity 401, a cleaning scraper 5, a supporting body 501, a scraping blade 502, a cleaning ball 6, a ball 601, a mastoid 602, a first piston cavity 7, a second piston cavity 8, a deformation plate 9, a spring piece 901, a piston 10 and hydraulic oil 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-8, a floating-sealed two-piece self-cleaning ball valve includes a valve seat body 1, referring to fig. 1 and 8, two sealing rings 2 are disposed inside the valve seat body 1, a ball seat 3 is clamped between the two sealing rings 2, a ball 4 is rotatably connected in the ball seat 3, two cleaning scrapers 5 are fixedly connected to the inner wall of the ball seat 3, and the ball 4 is located between the two cleaning scrapers 5;
referring to fig. 2-4, the cleaning scraper 5 includes a support 501, a side wall of one side of the support 501 is arc-shaped, the support 501 is attached to an outer wall of the ball 4, a scraper 502 is fixedly connected to the arc-shaped side wall of the support 501, the scraper 502 is made of a silica gel material, when the ball 4 rotates, the scraper 502 scrapes off impurities adhered to an outer surface of the ball 4 to prevent a large amount of impurities from being accumulated, thereby cleaning the outer surface of the ball 4, the ball 4 includes a flow channel, cleaning balls 6 are uniformly distributed and embedded in an inner wall of the flow channel, referring to fig. 6-7, the cleaning balls 6 include balls 601, the balls 601 are made of a stainless steel material to ensure that the balls 601 have a certain strength, the balls 601 are hollow structures to reduce weight, a plurality of embedding cavities 401 are formed in an inner wall of the flow channel of the ball 4, and the balls 601 are embedded in the embedding cavities 401 to drive the balls 601 to roll, the retention of impurities is further prevented, the outer wall of the ball 601 is fixedly connected with the densely and uniformly distributed micron-sized mastoid 602, and the outer wall of the mastoid 602 is fixedly connected with the densely and uniformly distributed nano-sized particles, the structure imitates the structure of the lotus leaf surface, the retention of the impurities on the inner wall of the flow channel is prevented through a micron-nanometer double structure, and the self-cleaning of the interior of the sphere is realized;
referring to fig. 5, the inner wall of the sphere seat 3 is provided with a plurality of first piston cavities 7 and second piston cavities 8, and a first piston cavity 7 and a second piston cavity 8 are a group, the inner diameter of the first piston cavity 7 is smaller than the inner diameter of the second piston cavity 8, the covering surface of the deformation plate 9 is increased as much as possible, the inner wall of the open end of the second piston cavity 8 is fixedly connected with the deformation plate 9, the deformation plate 9 is made of rubber material, the rubber is elastic, and can restore deformation, and the deformation plate 9 is flush with the inner wall of the sphere seat 3 in a natural state, the spring plate 901 is embedded inside the deformation plate 9, the force for restoring deformation is added to the deformation plate 9, and the deformation restoring speed of the deformation plate 9 can be increased, so that the deformation plate 9 has a stronger vibration effect, and the length of the spring plate 901 is smaller than that of the deformation plate 9, the first piston cavity 7 is communicated with the second piston cavity 8, and the first piston cavity 7 and the second piston cavity 8 are slidably connected with a piston 10, the inner diameter of the opening end of the first piston cavity 7 is slightly smaller than the diameter of the piston 10 in the first piston cavity 7, so that the piston 10 in the first piston cavity 7 is prevented from being extruded out, hydraulic oil 11 is filled in the first piston cavity 7 and the second piston cavity 8, air is filled between the second piston cavity 8 and the deformation plate 9, the two pistons 10 are driven to move by using huge fluid medium hydraulic pressure when the ball valve is closed, and then the deformation plate 9 is made to swell, at the moment when the ball valve is opened, the piston 10 in the first piston cavity 7 loses pressure by using the driving action when the fluid medium flows, and in addition, the fluid medium impacts the deformation plate 9, so that the deformation plate 9 recovers the state before deformation at the moment, and impurities deposited on the deformation plate 9 in the process vibrate down to wash away the fluid medium.
When the sphere 4 rotates, the scraping blade 502 scrapes off the impurities adhered to the outer surface of the sphere 4, and both sides of the sphere 4 can be cleaned, when the sphere 4 is closed, the medium positioned on one side of the inlet of the sphere 4 continuously has liquid pressure, the hydraulic pressure can extrude the piston 10 in the first piston cavity 7, the hydraulic oil 11 in the first piston cavity 7 is pressed into the second piston cavity 8, because air is still arranged between the piston 10 in the second piston cavity 8 and the deformation plate 9, the piston 10 in the second piston cavity 8 can indirectly push the deformation plate 9 to bulge while moving, so that the inner wall of the sphere seat 3 has an arch surface, the probability of scaling of the impurities on the inner wall of the sphere seat 3 can be greatly reduced, when the sphere 4 is opened, the medium starts to flow, the medium entering the first piston cavity 7 is driven by the liquid flow, and the piston 10 in the first piston cavity 7 loses extrusion force, simultaneously, the medium also has impact force to the deformation plate 9, the deformation plate 9 begins to recover deformation under the combined action of the two, the elastic force of the spring piece 901 increases the force for recovering the deformation for the deformation plate 9, and simultaneously, the deformation recovery speed of the deformation plate 9 can be accelerated, so that the deformation plate 9 has stronger vibration effect, the deformation plate 9 can shake and fall impurities deposited on the deformation plate to wash away the medium, and finally self-cleaning of the ball valve is realized.
It can realize the self-cleaning of the floating ball valve, through installing the spheroid in the spheroid seat, can avoid impurity to accumulate in a large number between spheroid and disk seat inner wall, protect the spheroid not to receive the corruption of impurity, through setting up the cleaning scraper blade in spheroid both sides, the cleaning scraper blade can be scraped off the impurity that deposits on the spheroid surface when the spheroid rotates, realize the cleaning of spheroid surface, and still set up the deformation board on the inner wall of spheroid seat, make the inner wall of spheroid seat appear the arcwall, so can greatly reduce the probability of impurity scale deposit in spheroid seat inner wall, and utilize the vibration effect that the deformation board resumes deformation to vibrate the impurity that deposits on it, in order to let the medium take away, thereby realize the self-cleaning of spheroid, ensure the long-time steady operation of ball valve, in addition still set up the cleaning ball similar to lotus leaf surface structure in the runner of spheroid and prevent the impurity from remaining, further improving the self-cleaning effect of the ball valve.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a floating seal's two formula automatically cleaning ball valves, includes valve seat body (1), the inside of valve seat body (1) sets up two and has sealing washer (2), and the centre gripping has spheroid seat (3) between two sealing washers (2), it has spheroid (4), its characterized in that to rotate in spheroid seat (3): the inner wall of the sphere seat (3) is fixedly connected with two cleaning scrapers (5), and the sphere (4) is positioned between the two cleaning scrapers (5), the ball body (4) comprises a flow passage, cleaning balls (6) which are uniformly distributed are embedded in the inner wall of the flow passage, the inner wall of the sphere seat (3) is provided with a plurality of first piston cavities (7) and second piston cavities (8), and a first piston chamber (7) and a second piston chamber (8) are grouped, the inner wall of the opening end of the second piston cavity (8) is fixedly connected with a deformation plate (9), the first piston cavity (7) is communicated with the second piston cavity (8), and a piston (10) is connected in the first piston cavity (7) and the second piston cavity (8) in a sliding way, the first piston cavity (7) and the second piston cavity (8) are filled with hydraulic oil (11), and air is filled between the second piston cavity (8) and the deformation plate (9).
2. A floating seal, two-piece, self-cleaning ball valve as defined in claim 1, wherein: cleaning scraper blade (5) are including supporter (501), one side lateral wall shape of supporter (501) is the arc, and supporter (501) pastes with the outer wall of spheroid (4) mutually, fixedly connected with doctor-bar (502) on the arc lateral wall of supporter (501), and doctor-bar (502) adopt the silica gel material.
3. A floating seal, two-piece, self-cleaning ball valve as defined in claim 1, wherein: the cleaning ball (6) comprises a ball (601), the outer wall of the ball (601) is fixedly connected with dense and uniformly distributed micron-sized mastoids (602), and the outer wall of the mastoids (602) is fixedly connected with dense and uniformly distributed nano-scale particles.
4. A floating seal, two-piece, self-cleaning ball valve as defined in claim 3, wherein: the ball (601) is made of stainless steel materials, and the ball (601) is of a hollow structure.
5. A floating seal, two-piece, self-cleaning ball valve as defined in claim 3, wherein: a plurality of embedding cavities (401) are formed in the inner wall of the runner of the ball body (4), and the ball (601) is embedded in the embedding cavities (401).
6. A floating seal, two-piece, self-cleaning ball valve as defined in claim 1, wherein: the deformation plate (9) is made of rubber materials, and the deformation plate (9) is flush with the inner wall of the ball seat (3) in a natural state.
7. A floating seal, two-piece, self-cleaning ball valve as defined in claim 1, wherein: a spring piece (901) is embedded in the deformation plate (9), and the length of the spring piece (901) is smaller than that of the deformation plate (9).
8. A floating seal, two-piece, self-cleaning ball valve as defined in claim 1, wherein: the inner diameter of the first piston cavity (7) is smaller than that of the second piston cavity (8).
9. A floating seal, two-piece, self-cleaning ball valve as defined in claim 1, wherein: the inner diameter of the opening end of the first piston cavity (7) is slightly smaller than the diameter of the piston (10) in the first piston cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560753.5U CN212338252U (en) | 2020-07-31 | 2020-07-31 | Floating seal's two formula automatically cleaning ball valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021560753.5U CN212338252U (en) | 2020-07-31 | 2020-07-31 | Floating seal's two formula automatically cleaning ball valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212338252U true CN212338252U (en) | 2021-01-12 |
Family
ID=74081074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021560753.5U Withdrawn - After Issue CN212338252U (en) | 2020-07-31 | 2020-07-31 | Floating seal's two formula automatically cleaning ball valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212338252U (en) |
-
2020
- 2020-07-31 CN CN202021560753.5U patent/CN212338252U/en not_active Withdrawn - After Issue
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Granted publication date: 20210112 Effective date of abandoning: 20231019 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210112 Effective date of abandoning: 20231019 |