CN220646837U - Valve seat assembly of ball valve - Google Patents
Valve seat assembly of ball valve Download PDFInfo
- Publication number
- CN220646837U CN220646837U CN202321628790.9U CN202321628790U CN220646837U CN 220646837 U CN220646837 U CN 220646837U CN 202321628790 U CN202321628790 U CN 202321628790U CN 220646837 U CN220646837 U CN 220646837U
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- China
- Prior art keywords
- valve
- ball
- valve seat
- gasket
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 52
- 229920001971 elastomer Polymers 0.000 claims abstract description 26
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 9
- 229910001018 Cast iron Inorganic materials 0.000 claims description 11
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model provides a valve seat assembly of a ball valve, which relates to the technical field of ball valve assemblies and comprises a valve ball, wherein a valve seat device is arranged on the right side of the valve ball, a first valve body is arranged on the left side of the valve ball, a filler is arranged at the top of the valve ball, a valve rod is arranged at the top of the filler, a gland is arranged on the periphery of the valve rod, a handle is arranged above the gland, a second valve body is arranged on the right side of the valve seat device, the valve seat device comprises a sealing rubber ring, a plurality of first holes are formed in the surface of the sealing rubber ring, a first fixing gasket is arranged on the right side of the sealing rubber ring, a plurality of second holes are formed in the surface of the first fixing gasket, and a sealing gasket is arranged on the right side of the first fixing gasket.
Description
Technical Field
The utility model relates to the technical field of ball valve assemblies, in particular to a valve seat assembly of a ball valve.
Background
The valve seat is a device for supporting the full closing position of the valve core, the valve is internally provided with a detachable surface part for supporting the full closing position of the valve core and forming a sealing pair, and the diameter of the valve seat is the maximum circulation diameter of the valve, for example, the valve seat of a butterfly valve is made of very wide materials.
In the prior art, in order to prevent the valve seat from being broken and leaking due to the action of pressure difference, the valve seat is generally bonded to a metal part, but when the valve seat is bonded to the metal, the bonding is broken and failed due to thermal shock, so that leakage is caused, and therefore, we propose a valve seat assembly of a ball valve.
Disclosure of Invention
The present utility model aims to solve the disadvantages of the prior art, and to prevent the valve seat from cracking and leaking due to the action of pressure difference, the valve seat is generally bonded to a metal part, but when the valve seat is bonded to the metal, the bonding is cracked and failed due to thermal shock, thereby causing leakage.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the valve seat assembly of the ball valve comprises a valve ball, wherein a valve seat device is arranged on the right side of the valve ball, a first valve body is arranged on the left side of the valve ball, a filler is arranged at the top of the valve ball, a valve rod is arranged at the top of the filler, a gland is arranged on the periphery of the valve rod, a handle is arranged above the gland, and a second valve body is arranged on the right side of the valve seat device;
the valve seat device comprises a sealing rubber ring, a plurality of first holes are formed in the surface of the sealing rubber ring, a first fixing gasket is arranged on the right side of the sealing rubber ring, a plurality of second holes are formed in the surface of the first fixing gasket, a sealing gasket is arranged on the right side of the first fixing gasket, a plurality of third holes are formed in the surface of the sealing gasket, a second fixing gasket is arranged on the right side of the sealing gasket, and a plurality of fourth holes are formed in the surface of the second fixing gasket.
As a preferable scheme of the utility model, the sealing rubber ring and the sealing gasket are made of ethylene propylene diene monomer rubber.
The technical effect of adopting the further scheme is as follows: the ethylene propylene diene monomer rubber material has excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor resistance, color stability, electrical property, oil filling property and normal temperature fluidity, and the ethylene propylene diene monomer rubber product can be used for a long time at 120 ℃ and can be used for a short time or intermittently at 150-200 ℃.
In a preferred embodiment of the present utility model, the first fixing spacer and the second fixing spacer are made of cast iron.
The technical effect of adopting the further scheme is as follows: the cast iron material has very strong impact resistance, and can ensure that the valve seat is not deformed, thereby ensuring that the ball valve can not leak in operation.
In a preferred scheme of the utility model, the sealing rubber ring, the first fixing gasket, the sealing gasket and the second fixing gasket are fixed through bolts of the first hole, the second hole, the third hole and the fourth hole.
The technical effect of adopting the further scheme is as follows: through seting up first hole, second hole, third hole and fourth hole on sealing rubber ring and first fixed gasket, sealing gasket, second fixed gasket, make things convenient for the bolt to pass to tightly fix sealing rubber ring and first fixed gasket, sealing gasket, second fixed gasket together, so that better performance sealed effect, withstand the impact.
As a preferable aspect of the present utility model, the valve seat device is engaged with the second valve body.
The technical effect of adopting the further scheme is as follows: the valve seat device is clamped with the second valve body, so that the valve seat device can be better attached to the second valve body, and therefore cannot be broken under impact.
In a preferred embodiment of the present utility model, the first valve body and the second valve body are made of cast iron.
The technical effect of adopting the further scheme is as follows: the first valve body and the second valve body are made of cast iron, and the cast iron is hard, so that the service life can be prolonged, and the inside cannot be broken.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the design of the valve seat device, the sealing rubber ring can provide strong sealing performance, can be tightly attached to the valve ball without gaps, the first fixing gasket and the second fixing gasket provide strong compression resistance, can well resist impact force, play a role in fixing, cannot be easily deformed, prolong the service life of the valve seat device, and the sealing gasket not only can provide a damping function, but also can provide sealing performance, and provides secondary guarantee after the sealing rubber ring, so that the valve seat device can effectively resist pressure difference and cannot crack and leak due to overlarge pressure difference.
Drawings
FIG. 1 is a schematic view of the overall structure of a valve seat assembly of a ball valve according to the present utility model;
FIG. 2 is a schematic view of a valve seat assembly of a ball valve according to the present utility model;
fig. 3 is a schematic diagram of a valve seat device of a valve seat assembly of a ball valve according to the present utility model.
Legend description: 1. a valve ball; 101. a first valve body; 102. a filler; 103. a valve stem; 104. a gland; 105. a handle; 106. a second valve body; 2. a valve seat device; 201. sealing rubber rings; 202. a first hole; 203. a first fixed pad; 204. a second hole; 205. a sealing gasket; 206. a third hole; 207. a second fixed spacer; 208. and a fourth hole.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are, however, not limited to the embodiments described herein, but are to be provided for the purpose of making the disclosure of the utility model more thorough.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a valve seat subassembly of ball valve, including valve ball 1, the right side of valve ball 1 is provided with valve seat device 2, the left side of valve ball 1 is provided with first valve body 101, the top of valve ball 1 is provided with filler 102, the top of filler 102 is provided with valve rod 103, the periphery of valve rod 103 is provided with gland 104, the top of gland 104 is provided with handle 105, the right side of valve seat device 2 is provided with second valve body 106, valve seat device 2 includes sealing rubber ring 201, a plurality of first hole 202 has been seted up to sealing rubber ring 201's surface, sealing rubber ring 201's right side is provided with first fixed gasket 203, a plurality of second hole 204 has been seted up on the surface of first fixed gasket 203, the right side of first fixed gasket 203 is provided with sealing gasket 205, a plurality of third hole 206 has been seted up on the surface of sealing gasket 205, the right side of sealing gasket 205 is provided with second fixed gasket 207, a plurality of fourth hole 208 has been seted up on the surface of second fixed gasket 207.
Example 2
As shown in fig. 1-3, the sealing rubber ring 201 and the sealing gasket 205 are made of ethylene propylene diene monomer rubber, the ethylene propylene diene monomer rubber can resist high temperature and can effectively resist impact, the first fixing gasket 203 and the second fixing gasket 207 are made of cast iron, the cast iron is not easy to deform and can effectively resist impact, the sealing rubber ring 201, the first fixing gasket 203, the sealing gasket 205 and the second fixing gasket 207 are fixed through bolts of the first hole 202, the second hole 204, the third hole 206 and the fourth hole 208, the valve seat device 2 can be guaranteed to stably operate through bolt fixation, the valve seat device 2 and the second valve body 106 are clamped, the clamping is convenient for the valve seat device 2 to play a role, the first valve body 101 and the second valve body 106 are made of cast iron, and the stability of the ball valve can be guaranteed through the cast iron.
The working flow of the utility model is as follows: when the valve seat assembly of the ball valve is used, firstly, the sealing rubber ring 201, the first fixing gasket 203, the sealing gasket 205 and the second fixing gasket 207 are taken out, after the sealing rubber ring 201, the first fixing gasket 203, the sealing gasket 205 and the second fixing gasket 207 are taken out, the first hole 202, the second hole 204, the third hole 206 and the fourth hole 208 on the sealing rubber ring 201, the first fixing gasket 203, the sealing gasket 205 and the second fixing gasket 207 are aligned, then bolts are taken out to fix the valve seat device 2, then the valve seat device 2 is clamped in the second valve body 106, after the completion, the valve ball 1, the packing 102, the valve rod 103, the gland 104 and the handle 105 are installed, the first valve body 101 and the second valve body 106 are fixed by bolts, and then the assembled ball valve is installed on a pipeline, so that the ball valve can work.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A valve seat assembly for a ball valve, comprising a valve ball (1), characterized in that: the valve ball comprises a valve ball body (1), wherein a valve seat device (2) is arranged on the right side of the valve ball body (1), a first valve body (101) is arranged on the left side of the valve ball body (1), a filler (102) is arranged at the top of the valve ball body (1), a valve rod (103) is arranged at the top of the filler (102), a gland (104) is arranged on the periphery of the valve rod (103), a handle (105) is arranged above the gland (104), and a second valve body (106) is arranged on the right side of the valve seat device (2);
the valve seat device (2) comprises a sealing rubber ring (201), a plurality of first holes (202) are formed in the surface of the sealing rubber ring (201), a first fixing gasket (203) is arranged on the right side of the sealing rubber ring (201), a plurality of second holes (204) are formed in the surface of the first fixing gasket (203), a sealing gasket (205) is arranged on the right side of the first fixing gasket (203), a plurality of third holes (206) are formed in the surface of the sealing gasket (205), a second fixing gasket (207) is arranged on the right side of the sealing gasket (205), and a plurality of fourth holes (208) are formed in the surface of the second fixing gasket (207).
2. A valve seat assembly for a ball valve as defined in claim 1, wherein: the sealing rubber ring (201) and the sealing gasket (205) are made of ethylene propylene diene monomer rubber.
3. A valve seat assembly for a ball valve as defined in claim 1, wherein: the first fixing gasket (203) and the second fixing gasket (207) are made of cast iron.
4. A valve seat assembly for a ball valve as defined in claim 1, wherein: the sealing rubber ring (201) and the first fixing gasket (203), the sealing gasket (205) and the second fixing gasket (207) are fixed through bolts of the first hole (202), the second hole (204), the third hole (206) and the fourth hole (208).
5. A valve seat assembly for a ball valve as defined in claim 1, wherein: the valve seat device (2) is clamped with the second valve body (106).
6. A valve seat assembly for a ball valve as defined in claim 1, wherein: the first valve body (101) and the second valve body (106) are made of cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321628790.9U CN220646837U (en) | 2023-06-26 | 2023-06-26 | Valve seat assembly of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321628790.9U CN220646837U (en) | 2023-06-26 | 2023-06-26 | Valve seat assembly of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646837U true CN220646837U (en) | 2024-03-22 |
Family
ID=90268337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321628790.9U Active CN220646837U (en) | 2023-06-26 | 2023-06-26 | Valve seat assembly of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646837U (en) |
-
2023
- 2023-06-26 CN CN202321628790.9U patent/CN220646837U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |