CN219655324U - Ball valve seat structure - Google Patents
Ball valve seat structure Download PDFInfo
- Publication number
- CN219655324U CN219655324U CN202320824862.0U CN202320824862U CN219655324U CN 219655324 U CN219655324 U CN 219655324U CN 202320824862 U CN202320824862 U CN 202320824862U CN 219655324 U CN219655324 U CN 219655324U
- Authority
- CN
- China
- Prior art keywords
- valve seat
- ring
- circle
- ball valve
- seat structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a ball valve seat structure, which comprises a valve cover and a ball body, wherein a valve seat ring is arranged between the valve cover and the ball body, a circle of plug ring is sleeved on the valve seat ring, a plurality of pin grooves are formed in the valve seat ring, the pin grooves are positioned on the same circle, a metal ring is sleeved on the valve seat ring, a plurality of positioning holes matched with the pin grooves are formed in the metal ring, and positioning pins are inserted into the positioning holes and the pin grooves. The ball valve seat structure changes the threaded connection into pin shaft connection, is more convenient to install, and meanwhile, does not have the phenomenon of loosening threads, thereby ensuring the tightness of the valve, avoiding the problem of leakage of the valve and greatly prolonging the service life of the valve.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to a valve seat structure of a ball valve.
Background
In the ball valve seat structure, there is often a need to improve the versatility and interchangeability of products, i.e. to be able to switch between a single piston structure and a double piston structure.
In this kind of structure, can increase the metal ring and improve the leakproofness, the metal ring can be through threaded connection's mode and disk seat fixed connection, but after long-time use to and after the impact of fluid, there is the risk that the screw thread becomes flexible, and then leads to the valve to leak, leads to the leakage of fluid on the one hand, on the other hand also appears the incident easily.
Disclosure of Invention
The utility model aims to provide a ball valve seat structure which is fixed by a metal ring in a positioning pin fixing mode, so that the sealing performance of a valve is improved.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a ball valve disk seat structure, includes valve gap and spheroid, be provided with the valve seat circle between valve gap and the spheroid, the cover has the round to plug the circle on the valve seat circle, and is provided with a plurality of cotters on the circle of valve seat, and a plurality of cotters lie in same circle, just still overlap on the valve seat circle and be equipped with a metal ring, set up a plurality of locating holes that use with cotters cooperation on the metal ring, insert the locating pin in locating hole and the cotter inslot.
Furthermore, the number of the positioning holes formed in the metal ring is more than or equal to that of the pin grooves.
Further, be provided with first annular groove, second annular groove and a plurality of third recess on the disk seat, first annular groove interior card has gone into and has kept off the oil seal, and the embedding has the sealing ring in the second annular groove, be provided with the disk seat spring in the third recess.
Further, one end of the valve seat spring is fixedly arranged in the third groove in an adhering mode, and the other end of the valve seat spring abuts against the valve cover.
Further, the valve seat ring is further provided with a fourth annular groove, and a flame-retardant sealing ring is embedded in the fourth annular groove.
Further, a circle of rubber ring is arranged in the positioning hole, and meanwhile, concave-convex lines are arranged on the positioning pin.
Further, a hardened coating is provided on the outer wall of the valve seat ring.
Furthermore, the positioning hole is internally provided with a step, and meanwhile, the positioning pin is T-shaped.
The ball valve seat structure provided by the utility model has the advantages that:
the ball valve seat structure changes the threaded connection into pin shaft connection, is more convenient to install, and meanwhile, does not have the phenomenon of loosening threads, thereby ensuring the tightness of the valve, avoiding the problem of leakage of the valve and greatly prolonging the service life of the valve.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a part of a valve seat structure according to the present utility model;
FIG. 2 is a schematic view of a metal ring according to the present utility model;
reference numerals in the drawings illustrate: 1. a sphere; 2. a seal ring; 3. a valve seat ring; 4. a positioning pin; 5. a metal ring; 6. oil blocking and sealing; 7. a valve cover; 8. a plug ring; 9. flame-retardant sealing rings; 10. a valve seat spring; 11. and positioning holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, an embodiment of the present utility model is provided: the utility model provides a ball valve disk seat structure, includes valve gap 7 and spheroid 1, be provided with valve seat circle 3 between valve gap 7 and the spheroid 1, valve seat circle 3 is made through the metal, wherein, the cover has round to plug circle 8 on the valve seat circle 3, plug circle 8 cover is located on the valve seat circle 3 for seal the gap between valve gap 7 and the spheroid 1, form sealed effect.
And the valve seat ring 3 is provided with a plurality of pin grooves which are positioned on the same circle and are positioned on the outer side of the universal plug ring 8, namely the pin grooves are equivalent to the universal plug ring 8 which is far away from the ball body 1,
and still overlap on the valve seat ring 3 and be equipped with a metal ring 5, the internal diameter of metal ring 5 with the external diameter of valve seat ring 3 is the same, simultaneously offer a plurality of locating holes 11 that use with the cotter way cooperation on the metal ring 5, locating hole 11 and cotter inslot insert locating pin 4, fix the position of metal ring 5 on valve seat ring 3 through locating pin 4 card income locating hole 11 and cotter way, just the length of locating pin 4 equals locating hole 11 plus the degree of depth in cotter way to make locating pin 4 can not bulge in metal ring 5.
Meanwhile, the number of the positioning holes 11 formed on the metal ring 5 is greater than or equal to the number of the pin grooves, in this embodiment, the number of the positioning holes is the same, so that a one-to-one correspondence relationship is achieved, in this embodiment, four positioning holes are formed, and the angle difference between every two positioning holes is 90 °.
Meanwhile, in this embodiment, the valve seat ring 3 is provided with a first annular groove, a second annular groove and a plurality of third grooves, the first annular groove is internally clamped with an oil-blocking seal 6, the second annular groove is internally embedded with a sealing ring 2, and the third groove is internally provided with a valve seat spring 10, so that the tightness of the whole valve seat structure is further enhanced through the structure.
One end of the valve seat spring is fixedly arranged in the third groove in an adhering mode, and the other end of the valve seat spring abuts against the valve cover 7, so that the stability of fixing the valve seat spring is guaranteed.
Meanwhile, in this embodiment, a fourth annular groove is further formed in the valve seat ring 3, and a flame-retardant sealing ring 9 is embedded in the fourth annular groove (the flame-retardant sealing ring can refer to patent application CN 103524951B), and the valve seat plays a flame-retardant and fireproof role through the flame-retardant sealing ring 9.
In this embodiment, a hardening coating (refer to CN 104710947B) is disposed on the outer wall of the valve seat ring 3, so that the strength of the entire valve seat ring 3 is higher through the effect of the hardening coating, and the problem that the service life of the ball valve is reduced due to the loss of the valve seat ring 3 from the ball body 1 after long-term use is prevented.
In this embodiment, in order to strengthen the locating pin 4 be provided with the round rubber circle in the locating hole 11, simultaneously, be provided with unsmooth line on the locating pin 4, wherein, through setting up the rubber circle in the locating hole 11 for locating pin 4 can more compact card in locating hole 11, simultaneously, be provided with unsmooth line on the locating pin 4, also increased the frictional force of locating pin 4, and then make the card of metal ring 5 more stable on valve seat circle 3.
Meanwhile, a step is arranged in the positioning hole 11, and meanwhile, the positioning pin 4 is in a T shape, so that the head of the positioning pin 4 is just clamped in the step, on one hand, the positioning pin 4 is convenient to press, on the other hand, a certain fixing effect can be achieved, and the metal ring 5 can be firmly fixed on the valve seat ring 3.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The apparatus embodiments described above are merely illustrative, wherein elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. A ball valve seat structure, its characterized in that: including valve gap and spheroid, be provided with the valve seat circle between valve gap and the spheroid, the cover has the round to plug the circle widely on the disk seat circle, and is provided with a plurality of cotters on the disk seat circle, and a plurality of cotters are located same circle, just still overlap on the disk seat circle and be equipped with a metal ring, a plurality of locating holes that use with cotter cooperation have been seted up on the metal ring, locating pin is inserted to locating hole and cotter inslot.
2. A ball valve seat structure as defined in claim 1, wherein: the number of the positioning holes formed in the metal ring is more than or equal to that of the pin grooves.
3. A ball valve seat structure as defined in claim 1, wherein: the valve seat ring is provided with a first annular groove, a second annular groove and a plurality of third grooves, the first annular groove is internally clamped with an oil blocking seal, the second annular groove is internally embedded with a sealing ring, and the third grooves are internally provided with valve seat springs.
4. A ball valve seat structure as defined in claim 3, wherein: one end of the valve seat spring is fixedly arranged in the third groove in an adhering mode, and the other end of the valve seat spring abuts against the valve cover.
5. A ball valve seat structure as defined in claim 3, wherein: the valve seat ring is further provided with a fourth annular groove, and a flame-retardant sealing ring is embedded in the fourth annular groove.
6. A ball valve seat structure as defined in claim 1, wherein: a circle of rubber ring is arranged in the positioning hole, and meanwhile, concave-convex grains are arranged on the positioning pin.
7. A ball valve seat structure as defined in claim 1, wherein: a hardened coating is arranged on the outer wall of the valve seat ring.
8. A ball valve seat structure as defined in claim 1, wherein: the locating hole is internally provided with a step, and meanwhile, the locating pin is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320824862.0U CN219655324U (en) | 2023-04-13 | 2023-04-13 | Ball valve seat structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320824862.0U CN219655324U (en) | 2023-04-13 | 2023-04-13 | Ball valve seat structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655324U true CN219655324U (en) | 2023-09-08 |
Family
ID=87876933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320824862.0U Active CN219655324U (en) | 2023-04-13 | 2023-04-13 | Ball valve seat structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655324U (en) |
-
2023
- 2023-04-13 CN CN202320824862.0U patent/CN219655324U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |