CN111828668A - High-performance valve seat sealing structure and track type ball valve comprising same - Google Patents
High-performance valve seat sealing structure and track type ball valve comprising same Download PDFInfo
- Publication number
- CN111828668A CN111828668A CN201910309736.XA CN201910309736A CN111828668A CN 111828668 A CN111828668 A CN 111828668A CN 201910309736 A CN201910309736 A CN 201910309736A CN 111828668 A CN111828668 A CN 111828668A
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- valve
- valve seat
- ring
- sealing ring
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 155
- 238000007790 scraping Methods 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000009991 scouring Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a high-performance valve seat sealing structure and a track type ball valve comprising the same, wherein the high-performance valve seat sealing structure comprises a valve body, a ball body, an outer valve seat ring and an inner valve seat ring, the ball body is arranged in the valve body, the outer valve seat ring and the inner valve seat ring are arranged between the ball body and the valve body, the inner valve seat ring is positioned on the inner side of the outer valve seat ring, an inner soft sealing ring used for being in sealing fit with the ball body is arranged on the inner valve seat ring, a scraping blade and an outer soft sealing ring used for being in sealing fit with the ball body are arranged. The invention adopts multiple sealing, the scraping blade firstly scrapes impurities on the ball body and protects the sealing ring on the inner side; along with the rolling of the ball body, the outer soft sealing ring is gradually compressed to realize sealing; if the outer soft sealing ring is damaged, the outer soft sealing ring assists the scraping blade to remove impurities on the sealing surface, and meanwhile, the outer soft sealing ring bears a large amount of medium scouring to protect the inner soft sealing ring which plays a main sealing role, so that the service life of the valve can be prolonged; meanwhile, the inner soft sealing ring and the outer soft sealing ring are convenient to replace.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a high-performance valve seat sealing structure and a track type ball valve comprising the same.
Background
The orbit ball valve is also called as a forced seal ball valve, and is generally applied to occasions with strict sealing requirements because the structure characteristic is forced seal. The track ball valve is generally divided into a soft sealing valve seat structure and a hard sealing valve seat structure, and the actual sealing effect of the track sealing ball valve with the two structures is not ideal because the structure is complex and the process manufacturing difficulty is large! Conventional soft seal rail mounted ball valve because of it only one soft seal, the sealed face of impurity very easy damage in the on-the-spot medium of practical application, and lead to sealed inefficacy, simultaneously because rail mounted ball valve is for forcing the sealed valve, general condition disk seat and valve body are tight fit or welding, and the replacement difficulty after the disk seat soft seal circle damages.
The sealing surface of the full-hard sealing track type ball valve is damaged relatively better by adopting metal sealing and relatively soft sealing materials, but the sealing effect of the track ball valve cannot be similar to that of a soft sealing track ball valve because the structure of the track ball valve realizes that a ball body is forced to be close to a valve seat to realize sealing by adopting a track special structure, the overall structure of the track ball valve is relatively complex and is difficult to realize zero leakage, and the sealing effect of the track ball valve is relatively less in application in actual working conditions because the track ball valve has the problems of difficulty in replacement after the valve seat is damaged.
Disclosure of Invention
The invention aims to provide a high-performance valve seat sealing structure and a track type ball valve comprising the same, which have reliable sealing performance and can prolong the service life of a valve.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
high performance disk seat seal structure, including valve body, spheroid, outer disk seat circle and interior disk seat circle, the spheroid is located in the valve body, outer disk seat circle and interior disk seat circle are located between spheroid and the valve body, interior disk seat circle is located outer disk seat circle inboard, interior disk seat circles and is equipped with and is used for with the interior soft sealing washer of spheroid seal complex, outer disk seat circles and is equipped with the doctor-bar and is used for with the outer soft sealing washer of spheroid seal complex, and the doctor-bar is located the outer soft sealing washer outside.
Furthermore, the inner valve seat ring is provided with a groove A for mounting the inner soft sealing ring, the outer valve seat ring is provided with a groove B for mounting the inner soft sealing ring, and the inner soft sealing ring is arranged in the groove A and the groove B simultaneously.
Preferably, the inner soft sealing ring is a triangular sealing ring.
Furthermore, a groove C for installing a scraping blade and a groove D for installing an outer soft sealing ring are formed in the outer valve seat ring, the scraping blade is installed in the groove C, and the outer soft sealing ring is pressed in the groove D by the scraping blade.
Preferably, the outer soft sealing ring is a triangular sealing ring.
Furthermore, the excircle face of outer valve seat circle and the valve cavity wall tight fit of valve body, interior valve seat circle is compressed tightly or interior valve seat circle and outer valve seat circle rigid coupling together by outer valve seat circle, the contact surface of interior valve seat circle and outer valve seat circle is the stair structure.
Furthermore, an axial sealing ring is arranged between the outer circular surface of the outer valve seat ring and the valve body.
Furthermore, an end face sealing ring is arranged between the end face of the inner valve seat ring and the valve body.
Further, be equipped with sealed face washing passageway on the outer disk seat, be provided with the valve body washing passageway that washs the passageway intercommunication with sealed face on the valve body, sealed face washing passageway one end runs through outer disk seat circle and spheroid complex one side, and the other end of sealed face washing passageway and the inner intercommunication of valve body washing passageway, the outer end of valve body washing passageway runs through the valve body surface, and the outer end of valve body washing passageway is equipped with sealing device.
The track type ball valve comprises the high-performance valve seat sealing structure, a valve cover, an upper valve rod and a lower valve rod, wherein the upper valve rod and the lower valve rod form the valve rod, the valve cover is arranged above the valve body and is fixedly connected with the valve body, the lower valve rod is connected with the ball body, a guide groove is formed in the lower valve rod, a guide pin is arranged on the valve cover, and the guide pin is in sliding fit with the guide groove.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts multiple sealing, the scraping blade firstly scrapes impurities on the ball body, and the sealing ring on the inner side is protected; as the ball body continues to roll, the outer soft sealing ring is gradually compressed to realize sealing; if the outer soft sealing ring is damaged, the outer soft sealing ring assists the scraping sheet to remove impurities on the sealing surface, and meanwhile, the outer soft sealing ring bears a large amount of medium scouring and protects the inner soft sealing ring; due to the protection of the outer side scraping blade and the outer soft sealing ring, the sealing life of the inner soft sealing ring playing a main sealing role is greatly prolonged, and the service life of the valve is prolonged;
2, the inner soft sealing ring and the outer soft sealing ring are clamped and fixed by two parts, and the sealing rings are convenient to replace after being damaged;
3, the invention is provided with a sealing surface cleaning channel, can clean the spherical sealing surface, can effectively prolong the service life of the sealing ring and ensure the long-term reliability of the sealing performance of the valve.
Drawings
FIG. 1 is a schematic structural view of an orbital ball valve of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is a schematic view of the structure of the sealing device;
in the figure: 1-valve body, 2-ball body, 3-outer valve seat ring, 4-inner valve seat ring, 5-inner soft sealing ring, 6-outer soft sealing ring, 7-scraping piece, 8-circumferential sealing ring, 9-end face sealing ring, 10-small ball valve, 11-plug screw, 12-sealing face cleaning channel, 13-valve cover, 14-upper valve rod, 15-lower valve rod and 16-guide pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 2, the high-performance valve seat sealing structure disclosed by the invention comprises a valve body 1, a ball body 2, an outer valve seat ring 3 and an inner valve seat ring 4, wherein the ball body 2 is arranged in the valve body 1, the outer valve seat ring 3 and the inner valve seat ring 4 are arranged between the ball body 1 and the valve body 1, the inner valve seat ring 4 is positioned at the inner side of the outer valve seat ring 3, an inner soft sealing ring 5 which is in sealing fit with the ball body 2 is arranged on the inner valve seat ring 4, a scraping blade 7 and an outer soft sealing ring 6 which is in sealing fit with the ball body 2 are arranged on the outer valve seat ring 3, and the scraping blade 7 is.
A groove A for mounting an inner soft sealing ring 5 is arranged on the inner valve seat ring 4, a groove B for mounting the inner soft sealing ring 5 is arranged on the step surface of the outer valve seat ring 3, and the inner soft sealing ring 5 is simultaneously arranged in the groove A and the groove B. The inner soft sealing ring 5 can be in the shape of an O-shaped sealing ring, a triangular sealing ring and the like. In the specific embodiment, the inner soft sealing ring 5 is a triangular sealing ring, the bottom of the triangular sealing ring is clamped by the inner valve seat ring 4 and the outer valve seat ring 3, and the installation is more stable. The rising end of the inner soft sealing ring 5 is in sealing fit with the ball body 2. The inner soft sealing ring 5 is clamped and fixed by the inner valve seat ring 4 and the outer valve seat ring 3, and is convenient to replace.
The outer valve seat ring 3 is provided with a groove C for mounting a scraping sheet 7 and a groove D for mounting an outer soft sealing ring 6, the scraping sheet 7 is mounted in the groove C, and the outer soft sealing ring 6 is pressed in the groove D by the scraping sheet 7. The outer soft sealing ring 6 can be in the shape of an O-shaped sealing ring, a triangular sealing ring and the like. In the specific embodiment, the outer soft sealing ring 6 is a triangular sealing ring, and the bottom of the triangular sealing ring is clamped by the scraping piece 7 and the outer valve seat ring 3, so that the installation is more stable. The protruding end of the outer soft sealing ring 6 and the protruding end of the scraping sheet 7 are matched with the ball body 2. The scraping piece 7 has certain deformability, the scraping piece 7 is convenient to mount and dismount, and the outer soft sealing ring 6 is clamped and fixed by the scraping piece 7 and the outer valve seat ring 3 and is also convenient to replace.
In this embodiment, the outer disc of outer valve seat circle 3 and the valve chamber wall tight fit of valve body 1, can design outer valve seat circle 3's external diameter to be equal with the valve chamber wall internal diameter of valve body 1, or outer valve seat circle 3's external diameter is a bit bigger than the valve chamber wall internal diameter of valve body 1, realizes the tight fit. In order to ensure the replaceability and the sealing performance of the valve seat, an axial sealing ring 8 is arranged between the outer circular surface of the outer valve seat ring 3 and the valve body 1, and an end surface sealing ring 9 is arranged between the end surface of the inner valve seat ring 4 and the valve body 1, so that the leakage of a medium from the middle cavity of the valve body through the outer circle of the outer valve seat ring 3 and the bottom surface of the inner valve seat ring 4 can be avoided.
Of course, the fixing mode of the outer valve seat ring 3 and the valve body 1 can also adopt the connecting mode of the valve seat and the valve body 1 in the prior art.
The inner valve seat ring 4 is pressed by the outer valve seat ring 3 or the inner valve seat ring 4 is fixedly connected with the outer valve seat ring 3, and the inner valve seat ring 4 and the outer valve seat ring 3 can be fixedly connected by threads. The contact surface of the inner valve seat ring 4 and the outer valve seat ring 3 is of a step structure.
Be equipped with sealed face washing passageway 12 on the outer valve seat circle 3, be provided with the valve body washing passageway that washs passageway 12 intercommunication with sealed face on the valve body, sealed face washing passageway 12 one end runs through outer valve seat circle 3 and spheroid 2 complex one side, and the other end of sealed face washing passageway 12 communicates with the inner of valve body washing passageway, and 1 surface of valve body is run through to the outer end of valve body washing passageway, and the outer end of valve body washing passageway is equipped with sealing device. As shown in fig. 3, the sealing means includes a small ball valve 10 and a plug screw 11, one port of the small ball valve 10 is communicated with the outer end of the valve body cleaning passage, and the other port of the small ball valve 10 is blocked by the plug screw 11.
When the valve is used, the screw plug 11 is taken down, the small ball valve 10 is opened, cleaning liquid is injected from the port of the small ball valve 10, the cleaning liquid enters the sealing surface cleaning channel 12 from the valve body cleaning channel and reaches the sealing surface of the ball body, the sealing surface of the ball body is cleaned, the service life of the sealing ring can be effectively prolonged, and the long-term reliability of the sealing performance of the valve is ensured.
As shown in fig. 1 and 2, the track type ball valve disclosed by the invention comprises a valve cover 13, an upper valve rod 14 and a lower valve rod 15 which form the valve rods, besides the high-performance valve seat sealing structure, the valve cover 13 is arranged above the valve body 1 and fixedly connected with the valve body 1, the lower valve rod 15 is connected with the ball body 2, the lower valve rod 15 is provided with a guide groove, a guide pin 16 is arranged on the valve cover 13, and the guide pin 16 is in sliding fit with the guide groove.
The working principle is as follows:
and (3) closing process: the track ball valve rod drives the spheroid 2 to make 90 rotations, and through the track structure, after spheroid 2 rotated 90, it is close to gradually to the rolling of valve seat circle, realizes forcing seal at last.
When the ball body 2 is gradually close to the sealing ring, the scraping blade 7 firstly scrapes off impurities on the ball body 2, the ball body 2 continuously rolls, and the outer soft sealing ring 6 is gradually compressed to realize sealing. If the outer soft sealing ring 6 is damaged, the outer soft sealing ring 6 assists the scraping sheet 7 to remove impurities on the sealing surface, and meanwhile, the outer soft sealing ring 6 bears a large amount of medium scouring to protect the inner soft sealing ring 5. The inner soft sealing ring 5 at the inner side mainly plays a sealing role, and due to the protection of the outer scraping blade 7 and the outer soft sealing ring 6, the sealing service life of the inner soft sealing ring 5 playing a main sealing role is greatly prolonged, and the service life of the valve is prolonged.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (10)
1. The high-performance valve seat sealing structure is characterized by comprising a valve body, a ball body, an outer valve seat ring and an inner valve seat ring, wherein the ball body is arranged in the valve body, the outer valve seat ring and the inner valve seat ring are arranged between the ball body and the valve body, the inner valve seat ring is positioned on the inner side of the outer valve seat ring, an inner soft sealing ring used for being in sealing fit with the ball body is arranged on the inner valve seat ring, a scraping piece and an outer soft sealing ring used for being in sealing fit with the ball body are arranged on the outer valve seat ring, and the scraping piece is positioned on the.
2. The high performance valve seat sealing structure according to claim 1, wherein: the inner valve seat ring is provided with a groove A for mounting the inner soft sealing ring, the outer valve seat ring is provided with a groove B for mounting the inner soft sealing ring, and the inner soft sealing ring is simultaneously arranged in the groove A and the groove B.
3. The high performance valve seat sealing structure according to claim 2, wherein: the inner soft sealing ring is a triangular sealing ring.
4. The high performance valve seat sealing structure according to claim 1, 2 or 3, wherein: the outer valve seat ring is provided with a groove C for mounting a scraping piece and a groove D for mounting an outer soft sealing ring, the scraping piece is mounted in the groove C, and the outer soft sealing ring is pressed in the groove D by the scraping piece.
5. The high performance valve seat sealing structure according to claim 4, wherein: the outer soft sealing ring is a triangular sealing ring.
6. The high performance valve seat sealing structure according to claim 1, wherein: the excircle face of outer valve seat circle and the valve chamber wall tight fit of valve body, interior valve seat circle is compressed tightly or interior valve seat circle and outer valve seat circle rigid coupling together by outer valve seat circle, the contact surface of interior valve seat circle and outer valve seat circle is the stair structure.
7. The high performance valve seat sealing structure according to claim 1 or 6, wherein: an axial sealing ring is arranged between the outer circular surface of the outer valve seat ring and the valve body.
8. The high performance valve seat sealing structure according to claim 7, wherein: and an end face sealing ring is arranged between the end face of the inner valve seat ring and the valve body.
9. The high performance valve seat sealing structure according to claim 1, wherein: the utility model discloses a ball valve, including outer disk seat circle, be provided with sealed face washing passageway on the valve body, be provided with on the outer disk seat circle and wash the passageway with sealed valve body that face washing passageway communicates, sealed face washing passageway one end runs through outer disk seat circle and spheroid complex one side, and the other end of sealed face washing passageway and the inner intercommunication of valve body washing passageway, the outer end of valve body washing passageway runs through the valve body surface, and the outer end of valve body washing passageway is equipped with sealing device.
10. An orbital ball valve comprising a high-performance valve seat sealing structure according to any one of claims 1 to 9, characterized in that: the ball valve further comprises a valve cover, an upper valve rod and a lower valve rod, the upper valve rod and the lower valve rod form the valve rod, the valve cover is arranged above the valve body and fixedly connected with the valve body, the lower valve rod is connected with the ball body, a guide groove is formed in the lower valve rod, a guide pin is installed on the valve cover, and the guide pin is in sliding fit with the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309736.XA CN111828668A (en) | 2019-04-17 | 2019-04-17 | High-performance valve seat sealing structure and track type ball valve comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309736.XA CN111828668A (en) | 2019-04-17 | 2019-04-17 | High-performance valve seat sealing structure and track type ball valve comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828668A true CN111828668A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910309736.XA Pending CN111828668A (en) | 2019-04-17 | 2019-04-17 | High-performance valve seat sealing structure and track type ball valve comprising same |
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| Country | Link |
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| CN (1) | CN111828668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728151A (en) * | 2020-12-31 | 2021-04-30 | 五洲阀门股份有限公司 | Ball valve with multiple sealing track structure |
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| CN103711935A (en) * | 2012-10-05 | 2014-04-09 | 上海神通企业发展有限公司 | Valve seat structure of track ball valve |
| CN203963100U (en) * | 2014-01-27 | 2014-11-26 | 东正科技有限公司 | A kind of butterfly ball valve capable of washing |
| CN204164409U (en) * | 2014-10-10 | 2015-02-18 | 方正阀门集团有限公司 | Rail mounted ultra low temperature hard seal fixing ball valve |
| CN204239795U (en) * | 2014-10-10 | 2015-04-01 | 成都成高阀门有限公司 | A kind of compound seal floating ball valve |
| CN204477361U (en) * | 2015-01-09 | 2015-07-15 | 武汉东方建设集团有限公司 | Mortar and concrete pumping pipe stop valve |
| CN205715779U (en) * | 2016-06-20 | 2016-11-23 | 成都成高阀门有限公司 | A kind of scratching ball valve base structure capable of washing |
| CN205806560U (en) * | 2016-06-30 | 2016-12-14 | 替科斯科技集团有限责任公司 | The soft or hard of a kind of band metallic spatula combines the valve seat construction of seal ball-valve |
| CN208311521U (en) * | 2018-04-03 | 2019-01-01 | 成都成高阀门有限公司 | A kind of adaptive valve seat construction of high/low temperature and the ball valve for being equipped with the valve seat construction |
| CN210034498U (en) * | 2019-04-17 | 2020-02-07 | 成都成高阀门有限公司 | High-performance valve seat sealing structure and track type ball valve comprising same |
-
2019
- 2019-04-17 CN CN201910309736.XA patent/CN111828668A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202182205U (en) * | 2011-08-25 | 2012-04-04 | 五洲阀门有限公司 | Metal hard sealing ball valve |
| CN103711935A (en) * | 2012-10-05 | 2014-04-09 | 上海神通企业发展有限公司 | Valve seat structure of track ball valve |
| CN203963100U (en) * | 2014-01-27 | 2014-11-26 | 东正科技有限公司 | A kind of butterfly ball valve capable of washing |
| CN204164409U (en) * | 2014-10-10 | 2015-02-18 | 方正阀门集团有限公司 | Rail mounted ultra low temperature hard seal fixing ball valve |
| CN204239795U (en) * | 2014-10-10 | 2015-04-01 | 成都成高阀门有限公司 | A kind of compound seal floating ball valve |
| CN204477361U (en) * | 2015-01-09 | 2015-07-15 | 武汉东方建设集团有限公司 | Mortar and concrete pumping pipe stop valve |
| CN205715779U (en) * | 2016-06-20 | 2016-11-23 | 成都成高阀门有限公司 | A kind of scratching ball valve base structure capable of washing |
| CN205806560U (en) * | 2016-06-30 | 2016-12-14 | 替科斯科技集团有限责任公司 | The soft or hard of a kind of band metallic spatula combines the valve seat construction of seal ball-valve |
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| CN210034498U (en) * | 2019-04-17 | 2020-02-07 | 成都成高阀门有限公司 | High-performance valve seat sealing structure and track type ball valve comprising same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728151A (en) * | 2020-12-31 | 2021-04-30 | 五洲阀门股份有限公司 | Ball valve with multiple sealing track structure |
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