CN214999548U - Upper hard seal expanding ball valve - Google Patents
Upper hard seal expanding ball valve Download PDFInfo
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- CN214999548U CN214999548U CN202121374667.XU CN202121374667U CN214999548U CN 214999548 U CN214999548 U CN 214999548U CN 202121374667 U CN202121374667 U CN 202121374667U CN 214999548 U CN214999548 U CN 214999548U
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Abstract
The utility model discloses a top-mounted hard seal expanding ball valve, which belongs to the technical field of expanding ball valves, the top-mounted hard seal expanding ball valve can realize that when the seal ring at the outer end of an opening and closing part is damaged and the ball valve is sealed and leaks, the seal ring is deformed due to damage, liquid enters from a liquid flow channel and spreads into a butt joint channel, an elastic sealing lantern ring in the seal ring is extruded outwards due to the characteristic of water absorption expansion of an expansion ball bag, repair liquid flows out, capillary fibers guide the repair liquid to the inner wall of the seal ring, the damaged part of the seal ring is repaired, the liquid enters into the seal ring and contacts with the heating particles, the heating particles generate heat, the repair of the seal ring is accelerated, the repair liquid is quickly solidified, the seal ring is replaced without disassembling the ball valve, the phenomenon that the valve liquid leaks is not discovered in time is avoided while the working efficiency is improved, the time length of liquid leakage of the ball valve is reduced.
Description
Technical Field
The utility model relates to an expanding ball valve technical field, more specifically say, relate to facial make-up hard seal expanding ball valve.
Background
Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.
At present expanding ball valve in the use, because the piece that opens and shuts often need open and shut, so the leakproofness demand to the piece that opens and shuts is high, and because the piece that opens and shuts often, must wear and tear the outer sealing washer of piece that opens and shuts, under long-time the use, the phenomenon of damage can appear breaking in the sealing washer to when the sealed effect that leads to the piece that opens and shuts is not good, need dismantle the ball valve, change the sealing washer, delay work efficiency.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide a top-mounted hard seal expanding ball valve, which can realize that when the sealing ring at the outer end of an opening and closing part is damaged and the ball valve is sealed and leaks, the sealing ring is deformed due to the damage of the sealing ring, liquid enters from a liquid flow channel and gradually spreads into a butt joint channel, an elastic sealing sleeve in the sealing ring is extruded outwards due to the characteristic of water absorption expansion of an expansion ball bag, so that repair liquid flows out, capillary fibers guide the repair liquid to the inner wall of the sealing ring due to capillary phenomenon, the damaged part of the sealing ring is repaired, the liquid enters into the sealing ring and contacts with heating particles, so that the heating particles generate heat, the repair of the sealing ring by the repair liquid is accelerated, the repair liquid is quickly solidified, the sealing ring is replaced without disassembling the ball valve, and the working efficiency during working is improved, meanwhile, the leakage phenomenon is not found in time when the liquid of the valve is leaked, and the time for leaking the liquid of the ball valve is reduced.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The upper hard seal expanding ball valve comprises a valve body, wherein a liquid flow channel is fixedly connected to the lower end of the valve body, two flanges are fixedly connected to the outer end of the liquid flow channel, a valve rod is connected to the inner end of the valve body in a rotating mode, an opening and closing part is fixedly connected to the lower end of the valve rod and is in contact with the inner wall of the liquid flow channel, a rotary disc is fixedly connected to the upper end of the valve rod, a seal ring is sleeved at the outer end of the rotary disc, the outer end of the seal ring is provided with the liquid flow channel in a chiseling mode, the liquid flow channel is in contact with the inner wall of the liquid flow channel, a plurality of evenly distributed butt joint channels are chiseling formed in the seal ring and are communicated with the liquid flow channel, an expansion ball bag is fixedly connected to the outer end of the butt joint channel, an elastic seal ring is fixedly connected between the inner walls of the seal ring, and a plurality of evenly distributed convex thorns are fixedly connected to the inner wall of the elastic seal ring, the end, far away from the convex pricks, of the elastic sealing lantern ring is fixedly connected with a repairing liquid bearing bag, repairing liquid is filled in the repairing liquid bearing bag, capillary fibers are embedded in the elastic sealing lantern ring, the outer end of the capillary fibers is fixedly connected with a quick solidification device, when the sealing ring at the outer end of the opening and closing piece is damaged and sealed by the ball valve and leaks, the sealing ring deforms due to the damage of the sealing ring, so that a gap is formed between the sealing ring originally attached to the inner wall of the liquid flow channel and the liquid flow channel, liquid enters from the liquid flow channel and gradually spreads into the butt joint channel, the whole sealing ring has the phenomenon of liquid leakage caused by the damage, meanwhile, the elastic sealing lantern ring in the sealing ring is extruded outwards due to the characteristic of water absorption and expansion of the expansion ball bag, so that the convex pricks the repairing liquid bearing bag to cause the outflow of the repairing liquid, at the moment, the capillary fibers embedded in the elastic sealing sleeve ring guide the repairing liquid to the inner wall of the sealing ring due to capillary phenomenon, the damaged part of the sealing ring is repaired, the ball valve does not need to be disassembled again to replace the sealing ring, the working efficiency of the working process is improved, and meanwhile, the phenomenon of leakage of the valve liquid is not found in time when the valve liquid is leaked.
Further, the rapid solidification device includes two connection stay cords with capillary fiber outer end fixed connection, connect the equal fixedly connected with granule that generates heat in stay cord outer end, cause when the sealing washer is damaged and reveal, repair liquid when restoreing the damaged department of sealing washer, because liquid enters into in the sealing washer with the granule contact that generates heat, make the granule that generates heat produce the heat, repair liquid is to the restoration of sealing washer with higher speed, make repair liquid solidify fast, further improve repair efficiency, long time when having reduced the ball valve and revealing, when the damaged department of sealing washer is restoreed completely, the granule that generates heat is because of unable contact liquid, the heat reduces gradually, do not influence the leakproofness of the normal work of sealing washer.
Furthermore, be equipped with the guide rope in the sealing washer, the guide rope is connected with a plurality of evenly distributed's capillary fibre, through setting up the guide rope, can make repair liquid adsorb by the guide rope through capillary fibrous water conservancy diversion, makes repair liquid can evenly cover at the sealing washer inner wall, restores in advance simultaneously to the sealing washer that the crack has appeared in the breakage yet.
Furthermore, the inner wall of the elastic sealing lantern ring is provided with a layer of flexible silk screen, the flexible silk screen is made of PVC resin, a plasticizer, a stabilizer and a lubricant, and the flexible silk screen is arranged, so that the elastic sealing lantern ring has excellent performance, can resist corrosion, bear higher pressure, is not easy to form dead fold and resists certain negative pressure.
Furthermore, the expansion balloon is a member made of a high-water-absorption resin material, and the high-water-absorption resin is arranged, so that the water absorption, water absorption rate and expansibility of the expansion balloon can be better, the elastic sealing lantern ring can be fully squeezed to release the repairing liquid, and meanwhile, the leaked liquid is not easy to enter the sealing ring.
Furthermore, the sealing ring is a member made of SIL (silicon on insulator) silicone rubber, the SIL silicone rubber is arranged, so that the sealing ring has excellent heat resistance, cold resistance, ozone resistance and atmospheric aging resistance, the service life of the sealing ring is prolonged, and meanwhile, the sealing ring is not easily damaged by heating particles when heat is generated.
Furthermore, the repair liquid is a rubber repairing agent prepared from a two-component black viscous liquid and a room-temperature curing solvent-free polyether adhesive, and the rubber repairing agent is arranged, so that the repair liquid is high in curing speed, good in adhesive force and high in strength, and meanwhile, the repair liquid is good in comprehensive performance after curing, smooth in surface, high in strength, high in toughness, wear-resistant, medium-resistant and ageing-resistant, and also has excellent acid-resistant, alkali-resistant and chemical corrosion-resistant performances and excellent filling performance on damaged parts.
Furthermore, the inner walls of the liquid flow channel and the butt joint channel are coated with polymer hydrophobic layers, and by arranging the polymer water layers, leaked liquid is not easy to remain on the inner walls of the liquid flow channel and the butt joint channel when flowing in the liquid flow channel and the butt joint channel.
Furthermore, the heating particles are components made of calcium oxide, and rapid chemical reaction can be carried out after the heating particles meet water by adopting the calcium oxide, so that calcium hydroxide is generated, a large amount of heat is generated instantly, the repairing liquid is subjected to temperature application, the time for solidifying the repairing liquid is shortened, water is changed into water vapor while a large amount of heat is generated, and leaked liquid is not easy to excessively enter the sealing ring.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the scheme can realize that when the sealing ring at the outer end of the opening and closing part is damaged and the ball valve is sealed and leaks, the sealing ring deforms due to the damage of the sealing ring, liquid enters from the liquid flow channel and gradually spreads into the butt joint channel, the elastic sealing sleeve ring in the sealing ring is extruded outwards due to the characteristic of water absorption expansion of the expansion ball bag, so that repair liquid flows out, the repair liquid is guided to the inner wall of the sealing ring by capillary fibers to repair the damaged part of the sealing ring, and the repair of the heating particles generates heat due to the contact of the liquid entering the sealing ring and the heating particles, so that the repair of the sealing ring by the repair liquid is accelerated, the repair liquid is quickly solidified, the sealing ring is not required to be replaced by disassembling the ball valve, the working efficiency in the working process is improved, and meanwhile, the phenomenon that the leakage is not found in time when the liquid of the valve leaks is avoided, the time length of liquid leakage of the ball valve is reduced.
(2) Quick solidification equipment includes two connection stay cords with capillary fiber outer end fixed connection, connect the equal fixedly connected with granule that generates heat in stay cord outer end, cause when the sealing washer is damaged to reveal, repair liquid when restoreing the damaged department of sealing washer, because liquid enters into in the sealing washer with the granule contact that generates heat, make the granule that generates heat produce the heat, repair liquid is to the restoration of sealing washer with higher speed, make repair liquid solidify fast, further improve repair efficiency, when having reduced the ball valve and revealing, when the damaged department of sealing washer is restoreed completely, the granule that generates heat is because of unable contact to liquid, the heat reduces gradually, the leakproofness of the normal work of sealing washer is not influenced.
(3) Be equipped with the guide rope in the sealing washer, the guide rope is connected with a plurality of evenly distributed's capillary fibre, through setting up the guide rope, can make repair liquid adsorb by the guide rope through capillary fibrous water conservancy diversion, makes repair liquid can evenly cover at the sealing washer inner wall, restores in advance simultaneously to the sealing washer that the crack has appeared in the damage yet.
(4) The inner wall of the elastic sealing lantern ring is provided with a layer of flexible silk screen which is made of PVC resin, plasticizer, stabilizer and lubricant raw materials, and the elastic sealing lantern ring has excellent performance by being provided with the flexible silk screen, can resist corrosion, bear higher pressure, and is not easy to form dead fold and resist certain negative pressure.
(5) The expansion sacculus is a component made of a high-water-absorption resin material, the water absorption rate and the expansibility of the expansion sacculus are better by arranging the high-water-absorption resin, the elastic sealing lantern ring can be fully extruded to release the repairing liquid, and meanwhile, the leaked liquid is not easy to enter the sealing ring.
(6) The sealing ring is a member made of SIL silicone rubber, and the SIL silicone rubber is arranged, so that the sealing ring has excellent heat resistance, cold resistance, ozone resistance and atmospheric aging resistance, the service life of the sealing ring is prolonged, and meanwhile, the sealing ring is not easily damaged by heating particles when heat is generated.
(7) The repair liquid is a rubber repairing agent prepared from a two-component black viscous liquid and a room temperature curing solvent-free polyether adhesive, and the rubber repairing agent is arranged, so that the repair liquid has the advantages of high curing speed, good adhesive force, high strength, good comprehensive performance after curing, smooth surface, high strength, high toughness, wear resistance, medium resistance and aging resistance, and also has excellent acid resistance, alkali resistance and chemical corrosion resistance, and excellent filling property on damaged parts.
(8) The inner walls of the liquid flow channel and the butt joint channel are coated with polymer hydrophobic layers, and leaked liquid is not easy to remain on the inner walls of the liquid flow channel and the butt joint channel when flowing in the liquid flow channel and the butt joint channel by arranging the polymer water layers.
(9) The heating particles are components made of calcium oxide, and through the adoption of calcium oxide, the heating particles can generate a rapid chemical reaction after encountering water to generate calcium hydroxide, and can generate a large amount of heat instantly to apply temperature to repair liquid, shorten the time for the repair liquid to solidify, and also cause water to become vapor when generating a large amount of heat, so that the leaked liquid is not easy to excessively enter the sealing ring.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the sealing ring of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic structural view of the sealing ring of the present invention during repairing;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
fig. 6 is a schematic structural view of the local heating particles of the present invention.
The reference numbers in the figures illustrate:
the device comprises a valve body 1, a liquid flow channel 2, a flange 3, a valve rod 4, a starting and closing piece 5, a rotary table 6, a sealing ring 7, a liquid flow channel 8, a butt joint channel 9, an expansion balloon 10, an elastic sealing lantern ring 11, a convex thorn 12, a repair liquid carrying bag 13, repair liquid 14, capillary fibers 15, a connection pull rope 16, heating particles 17 and a guide rope 18.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-6, the top-mounted hard seal expanding ball valve comprises a valve body 1, a liquid flow channel 2 is fixedly connected to the lower end of the valve body 1, two flanges 3 are fixedly connected to the outer end of the liquid flow channel 2, a valve rod 4 is rotatably connected to the valve body 1, an opening and closing member 5 is fixedly connected to the lower end of the valve rod 4, the opening and closing member 5 contacts with the inner wall of the liquid flow channel 2, a rotary disc 6 is fixedly connected to the upper end of the valve rod 4, a seal ring 7 is sleeved on the outer end of the rotary disc 6, a liquid flow channel 8 is chiseled on the outer end of the seal ring 7, the liquid flow channel 8 contacts with the inner wall of the liquid flow channel 2, a plurality of evenly distributed butt-joint channels 9 are chiseled in the seal ring 7, the butt-joint channels 9 are communicated with the liquid flow channel 8, an expansion balloon 10 is fixedly connected to the outer end of the butt-joint channel 9, an elastic seal ring 11 is fixedly connected between the inner walls of the seal ring 11, a plurality of evenly distributed convex thorns 12 are fixedly connected to the inner wall of the elastic seal ring 11, one end of the elastic sealing lantern ring 11, which is far away from the convex thorns 12, is fixedly connected with a repairing liquid bearing bag 13, the repairing liquid bearing bag 13 is filled with repairing liquid 14, capillary fibers 15 are embedded in the elastic sealing lantern ring 11, the outer end of the capillary fibers 15 is fixedly connected with a quick solidification device, when the sealing ring 7 at the outer end of the opening and closing piece 5 is damaged and sealed by a ball valve and leaks, the sealing ring 7 deforms due to the damage of the sealing ring 7, so that a gap is generated between the sealing ring 7 originally attached to the inner wall of the liquid flow channel 2 and the liquid flow channel 2, liquid enters from the liquid flow channel 8 and gradually spreads into the butt joint channel 9, so that the whole sealing ring 7 has the phenomenon of self-checking whether the damage causes liquid leakage, meanwhile, due to the characteristic of water absorption and expansion of the expansion balloon 10, the elastic sealing lantern ring 11 in the sealing ring 7 is squeezed outwards, so that the convex thorns 12 puncture the repairing liquid bearing bag 13, cause repair liquid 14 to flow out, inlay this moment and establish in elastic sealing lantern ring 11 capillary fibre 15 will repair 14 water conservancy diversion of liquid to sealing washer 7 inner wall because of capillary phenomenon, repair 7 damaged departments of sealing washer, need not to dismantle the ball valve again and change the sealing washer, improved the work efficiency of during operation, also avoided valve liquid to reveal the phenomenon in time not discover simultaneously.
Please refer to fig. 5 and 6, the rapid solidification device includes two connection pull ropes 16 fixedly connected with the outer ends of the capillary fibers 15, the outer ends of the connection pull ropes 16 are fixedly connected with heating particles 17, when the sealing ring 7 is damaged to cause leakage, the repair liquid 14 repairs the damaged part of the sealing ring 7, because the liquid enters into the sealing ring 7 and contacts with the heating particles 17, the heating particles 17 generate heat, accelerate the repair of the repair liquid 14 to the sealing ring 7, the repair liquid 14 is rapidly solidified, the repair efficiency is further improved, the leakage time of the ball valve is reduced, when the damaged part of the sealing ring 7 is completely repaired, the heating particles 17 cannot contact with the liquid, the heat is gradually reduced, and the sealing performance of the normal work of the sealing ring 7 is not affected.
Referring to fig. 5 and 6, a guide rope 18 is arranged in the sealing ring 7, the guide rope 18 is connected with a plurality of capillary fibers 15 which are uniformly distributed, and by arranging the guide rope 18, the repairing liquid 14 can be adsorbed by the guide rope 18 through the diversion of the capillary fibers 15, so that the repairing liquid 14 can uniformly cover the inner wall of the sealing ring 7, and the sealing ring 7 which is not damaged and has cracks can be repaired in advance.
Referring to fig. 5, a layer of flexible silk screen is disposed on the inner wall of the elastic sealing collar 11, the flexible silk screen is made of pvc resin, plasticizer, stabilizer, and lubricant, and by disposing the flexible silk screen, the elastic sealing collar 11 has excellent performance, can resist corrosion, can bear high pressure, is not easy to form dead folds, and can resist a certain negative pressure.
Referring to fig. 2-5, the inflatable balloon 10 is made of a super absorbent resin material, and the super absorbent resin is provided to make the inflatable balloon 10 have better water absorption, water absorption rate and expansibility, and can sufficiently squeeze the elastic sealing ring 11 to release the repairing liquid 14, and make the leaked liquid not easily enter the sealing ring 7.
Referring to fig. 1 to 5, the sealing ring 7 is made of SIL silicone rubber, and by providing the SIL silicone rubber, the sealing ring 7 has excellent heat resistance, cold resistance, ozone resistance, and atmospheric aging resistance, so as to improve the service life thereof, and the heating particles 17 are not easy to further damage the sealing ring 7 when generating heat.
Referring to fig. 2-6, the repairing liquid 14 is a rubber repairing agent made of a two-component, black viscous liquid, room temperature curing solvent-free polyether adhesive, and by providing the rubber repairing agent, the repairing liquid 14 has the advantages of high curing speed, good adhesion, high strength, good comprehensive performance after curing, smooth surface, high strength, high toughness, wear resistance, medium resistance, aging resistance, excellent acid resistance, alkali resistance, chemical corrosion resistance, and excellent filling property for damaged parts.
Referring to fig. 2-5, the inner walls of the liquid flow channel 8 and the docking channel 9 are coated with polymer hydrophobic layers, and by providing polymer water layers, the leaked liquid is not likely to remain on the inner walls of the liquid flow channel 8 and the docking channel 9 when flowing in the liquid flow channel 8 and the docking channel 9.
Referring to fig. 6, the heating particles 17 are made of calcium oxide, and by using calcium oxide, the heating particles 17 can generate a rapid chemical reaction when they meet water, so as to generate calcium hydroxide, and instantly generate a large amount of heat, so as to apply temperature to the repair liquid 14, shorten the time for the repair liquid 14 to solidify, and make water become water vapor while generating a large amount of heat, so that the leaked liquid is not likely to enter the sealing ring 7 too much.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.
Claims (9)
1. Facial make-up seals propped-open type ball valve firmly, including valve body (1), its characterized in that: the lower end of the valve body (1) is fixedly connected with a first liquid flow channel (2), the outer end of the first liquid flow channel (2) is fixedly connected with two flanges (3), a valve rod (4) is connected in the valve body (1) in a rotating manner, the lower end of the valve rod (4) is fixedly connected with an opening and closing piece (5), the opening and closing piece (5) is in contact with the inner wall of the first liquid flow channel (2), a rotary disc (6) is fixedly connected to the upper end of the valve rod (4), a sealing ring (7) is sleeved outside the rotary disc (6), a second liquid flow channel (8) is arranged at the outer end of the sealing ring (7) in a chiseled manner, the second liquid flow channel (8) is in contact with the inner wall of the first liquid flow channel (2), a plurality of evenly distributed butt joint channels (9) are arranged in the sealing ring (7), and the butt joint channels (9) are communicated with the second liquid flow channel (8), butt joint passageway (9) outer end fixedly connected with inflation sacculus (10), fixedly connected with elastic sealing lantern ring (11) between sealing washer (7) the inner wall, elastic sealing lantern ring (11) inner wall fixedly connected with a plurality of evenly distributed's protruding thorn (12), the one end fixedly connected with restoration liquid that protruding thorn (12) were kept away from in the elastic sealing lantern ring (11) bears bag (13), restoration liquid bears bag (13) intussuseption and is filled with restoration liquid (14), the embedded capillary fibre (15) that is equipped with in the elastic sealing lantern ring (11), capillary fibre (15) outer end fixedly connected with quick solidification equipment.
2. The top-loading hard-seal expanding ball valve according to claim 1, wherein: the rapid solidification device comprises two connection pull ropes (16) fixedly connected with the outer ends of the capillary fibers (15), and the outer ends of the connection pull ropes (16) are fixedly connected with heating particles (17).
3. The top-loading hard-seal expanding ball valve according to claim 1, wherein: and a guide rope (18) is arranged in the sealing ring (7), and the guide rope (18) is connected with a plurality of uniformly distributed capillary fibers (15).
4. The top-loading hard-seal expanding ball valve according to claim 1, wherein: the inner wall of the elastic sealing lantern ring (11) is provided with a layer of flexible silk screen, and the flexible silk screen is made of PVC resin, a plasticizer, a stabilizer and a lubricant.
5. The top-loading hard-seal expanding ball valve according to claim 1, wherein: the inflatable balloon (10) is a member made of a high water-absorbent resin material.
6. The top-loading hard-seal expanding ball valve according to claim 1, wherein: the sealing ring (7) is a component made of SIL silicon rubber.
7. The top-loading hard-seal expanding ball valve according to claim 1, wherein: the repairing liquid (14) is a rubber repairing agent prepared from a two-component black viscous liquid and a room-temperature curing solvent-free polyether adhesive.
8. The top-loading hard-seal expanding ball valve according to claim 1, wherein: the inner walls of the liquid flow channel (8) and the butt joint channel (9) are coated with polymer hydrophobic layers.
9. The top-loading hard-seal expanding ball valve according to claim 2, wherein: the heat-generating particles (17) are members made of calcium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121374667.XU CN214999548U (en) | 2021-06-21 | 2021-06-21 | Upper hard seal expanding ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121374667.XU CN214999548U (en) | 2021-06-21 | 2021-06-21 | Upper hard seal expanding ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999548U true CN214999548U (en) | 2021-12-03 |
Family
ID=79081533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121374667.XU Active CN214999548U (en) | 2021-06-21 | 2021-06-21 | Upper hard seal expanding ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999548U (en) |
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2021
- 2021-06-21 CN CN202121374667.XU patent/CN214999548U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Top mounted hard seal strut open ball valve Effective date of registration: 20230911 Granted publication date: 20211203 Pledgee: Agricultural Bank of China Limited Lishui Development Zone Sub branch Pledgor: Zhongbo Valve Group Co.,Ltd. Registration number: Y2023330002004 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |