CN218152401U - High-performance double-eccentric ceramic valve seat - Google Patents
High-performance double-eccentric ceramic valve seat Download PDFInfo
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- CN218152401U CN218152401U CN202221812554.8U CN202221812554U CN218152401U CN 218152401 U CN218152401 U CN 218152401U CN 202221812554 U CN202221812554 U CN 202221812554U CN 218152401 U CN218152401 U CN 218152401U
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- valve body
- valve
- valve seat
- disk seat
- sealing
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Abstract
The utility model relates to a two eccentric ceramic disk seats of high performance, including valve body, valve rod, dish board, sealed disk seat, packing seal and gland, the valve rod rotationally wears to locate in the valve body, the dish board is established on the valve rod detachably, has a cavity in the valve body, and the dish board is located in the cavity of valve body, the one end setting of sealed disk seat is on the inner edge face of valve body, and the internal face of sealed disk seat is formed with the multichannel level and smooth bending, and the transversal shape of sealed disk seat is type L, and the surface that the dish board is close to the one end of sealed disk seat is formed with a slope conical surface, the slope conical surface with the sealed laminating of internal face of sealed disk seat, the top of sealed disk seat is provided with the ejector pin, and the middle part of ejector pin is provided with the outward flange, and the bottom of outward flange contacts with the top of sealed disk seat, the inner and the valve body sliding connection of ejector pin, sets up the ejector pin hole that holds the ejector pin on the valve body. The high-performance double-eccentric ceramic valve seat improves the sealing performance of the butterfly valve and prolongs the service life.
Description
Technical Field
The utility model particularly relates to a two eccentric ceramic disk seats of high performance.
Background
The pipeline is an important device for conveying media and controlling hydraulic pressure and air pressure, and the valve is commonly applied to various pipelines and used for connecting, closing and adjusting the flow, pressure and the like of the pipeline so as to meet the production requirement. The butterfly valve is widely applied due to the advantages of simple structure, low cost, quick opening and closing and the like, generally comprises a valve body, a valve plate, a valve rod and the like, wherein a water inlet end and a water outlet end are arranged in the valve body, the valve rod is connected with the valve plate, the components are tightly matched, the valve is opened or closed through the rotation of the valve plate, and the flow of pipeline fluid is effectively controlled. In the use, because the influence of various operating modes, partial fluid can be come out from the gap infiltration of valve body, so generally all need make corresponding sealing measure in the valve body, and the life-span of valve can be influenced to the good or bad of sealing performance, also can influence the normal transmission of pipeline.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a high performance double eccentric ceramic valve seat.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a two eccentric ceramic disk seats of high performance, includes valve body, valve rod, dish board, sealed disk seat, packing seal and gland, the valve rod rotationally wears to locate in the valve body, the dish board is established on the valve rod detachably, a cavity has in the valve body, the dish board is located in the cavity of valve body, just the dish board will the cavity is kept apart and is formed two airtight cavities that mutually independent, works as when the dish board is opened, two airtight cavities are linked together, the one end setting of sealed disk seat is on the inner face of valve body, the internal face of sealed disk seat is formed with multichannel smooth bending, the transversal shape of sealed disk seat is type L, the surface that the dish board is close to the one end of sealed disk seat is formed with an inclined conical surface, inclined conical surface with the internal face sealing laminating of sealed disk seat, the top of sealed disk seat is provided with the ejector pin, the middle part of ejector pin is provided with the outward flange, the bottom of sealed disk seat contacts with the top of sealed disk seat, the inner and the valve body sliding connection of ejector pin, set up the ejector pin hole that holds the ejector pin on the valve body.
Furthermore, a packing cavity with an upward opening is formed in the top of the valve body, the packing seal is filled in the packing cavity, the packing gland is installed at the opening of the packing cavity, and a sealing ring is arranged at the bottom of the packing seal.
Further, the upper side and the lower side of the disc plate are respectively provided with an upper concave platform and a lower concave platform, an upper sealing groove used for placing a sealing ring is formed between the upper concave platform and the valve body, and a lower sealing groove used for placing the sealing ring is formed between the lower concave platform and the valve body.
The disc type sealing valve further comprises a sealing valve seat pressing plate, the sealing valve seat pressing plate is detachably connected to the valve body, a sealing gasket is arranged between the sealing valve seat pressing plate and the valve body, an annular groove with an opening is formed in the smooth bending of the outer edge surface of the disc plate, an annular boss is convexly arranged on one side of the sealing valve seat pressing plate, the annular boss is embedded into the annular groove, and an inner flange is arranged on the inner side of the sealing valve seat pressing plate.
Furthermore, a rotating groove is formed in the bottom of the inner edge surface of the valve body, and the bottom of the valve rod is rotatably embedded into the rotating groove.
Further, the disc plate is mounted on the valve stem by a plurality of shock absorbing bolts.
Furthermore, the damping bolt comprises a base and a screw rod, a damping groove is formed in the base, one end of the screw rod is arranged in the damping groove in a sliding mode, and a disc spring is arranged between one end of the screw rod and the groove wall of the damping groove.
In a further aspect, the sealing valve seat is made of a ceramic material.
Compared with the prior art, the utility model discloses following beneficial effect has: this two eccentric ceramic disk seats of high performance set up the cross sectional shape of sealed disk seat into the L type to install sealed disk seat on the valve body, let sealed laminating between butterfly valve and the sealed disk seat, and slide on the valve body and set up an ejector pin, when sealed disk seat wearing and tearing, can through ejector pin down compact sealed disk seat and butterfly plate, adopt ceramic material's sealed disk seat simultaneously, and it is sealed to fill the packing on the valve body, has improved the sealing performance of butterfly valve, has prolonged life.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a shock-absorbing bolt according to an embodiment of the present invention.
Fig. 3 is a partial enlarged view of the embodiment of the present invention.
The labels in the figure are: 1. a valve body; 2. a valve stem; 3. a plate; 4. sealing the valve seat; 5. packing and sealing; 6. a packing gland; 7. a seal ring; 8. a seal ring; 10. a valve seat pressing plate is sealed; 11. a sealing gasket; 12. an annular groove; 13. an annular boss; 14. a rotating tank; 15. a shock absorbing bolt; 16. a base; 17. a screw; 18. a disc spring; 19. a top rod; 20. an outer flange; 21. a jack rod hole; 22. an inner flange.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in 1~3, a high performance double eccentric ceramic valve seat comprises a valve body 1, a valve rod 2, a disc plate 3, a sealing valve seat 4, a packing seal 5 and a packing gland 6, wherein the valve rod 2 is rotatably arranged in the valve body 1 in a penetrating manner, a rotary groove 14 is formed at the bottom of the inner edge surface of the valve body 1, the bottom of the valve rod 2 is rotatably embedded into the rotary groove 14, a rotary bearing is arranged on the bottom plate of the valve rod 2 to reduce friction during rotation, the disc plate 3 is detachably sleeved on the valve rod 2, a cavity is formed in the valve body 1, the disc plate 3 is located in the cavity of the valve body 1, an upper concave platform and a lower concave platform are respectively formed at the upper side and the lower side of the disc plate 3, an upper sealing groove for placing a sealing ring 8 is formed between the upper concave platform and the valve body 1, and a lower sealing groove for placing the sealing ring 8 is formed between the lower concave platform and the valve body 1, the cavity is isolated by the disc plate 3 to form two mutually independent closed chambers, when the disc plate is opened, the two closed chambers are communicated, one end of the sealing valve seat 4 is arranged on the inner edge surface of the valve body 1, a plurality of smooth bends are formed on the inner wall surface of the sealing valve seat 4, the cross section of the sealing valve seat 4 is of an L-like shape, the outer surface of one end of the disc plate 3 close to the sealing valve seat 4 is provided with an inclined conical surface, the inclined conical surface is in sealing fit with the inner wall surface of the sealing valve seat 4, a mandril 19 is arranged above the sealing valve seat 4, the middle part of the mandril 19 is provided with an outer flange 20, the bottom of the outer flange 20 is contacted with the top of the sealing valve seat 4, the inner end of the mandril 19 is in sliding connection with the valve body 1, and the valve body 1 is provided with a mandril hole 21 for accommodating the inner end of the mandril 19, the ejector rod 19 and the ejector rod hole 21 can be provided with a threaded connection.
In this embodiment, a packing cavity with an upward opening is formed in the top of the valve body 1, the packing seal 5 is filled in the packing cavity, the packing gland 6 is installed at the opening of the packing cavity, and a sealing ring 7 is arranged at the bottom of the packing seal 5.
In this embodiment, the sealing valve seat structure further comprises a sealing valve seat pressing plate 10, the sealing valve seat pressing plate 10 is detachably connected to the valve body 1, a sealing gasket 11 is arranged between the sealing valve seat pressing plate 10 and the valve body 1, an annular groove 12 with an opening is formed by smoothly bending the outer edge surface of the disc plate 3, an annular boss 13 is convexly arranged on one side of the sealing valve seat pressing plate 10, the annular boss 13 is embedded into the annular groove 12, and an inner flange 22 is arranged on the inner side of the sealing valve seat pressing plate 4, so that the sealing valve seat 4 is effectively prevented from loosening.
In this embodiment, the disc plate 3 is mounted on the valve rod 2 through a plurality of damping bolts 15, each damping bolt 15 includes a base 16 and a screw rod 17, a damping groove is formed in the base 16, one end of each screw rod 17 is slidably disposed in the damping groove, and a disc spring 18 is disposed between one end of each screw rod 17 and a groove wall of the damping groove.
In the present embodiment, the sealing valve seat 4 is made of a ceramic material.
The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention in any way, and any person skilled in the art should not depart from the technical scope of the present invention, and all simple modifications, equivalent variations and modifications made to the above embodiments by the technical spirit of the present invention should fall within the scope of the present invention.
Claims (8)
1. The utility model provides a two eccentric ceramic disk seats of high performance which characterized in that: including valve body, valve rod, dish board, sealed disk seat, packing seal and gland, the valve rod rotationally wears to locate in the valve body, the dish board can be dismantled ground and overlap and establish on the valve rod, a cavity has in the valve body, the dish board is located in the cavity of valve body, just the dish board will the cavity is kept apart and is formed two airtight cavities of mutual independence, works as when the dish board is opened, two airtight cavity is linked together, the one end setting of sealed disk seat is on the inner flange face of valve body, the internal face of sealed disk seat is formed with the multichannel level and smooth bending, the transversal shape of sealed disk seat is type L, the surface that the dish board is close to the one end of sealed disk seat is formed with an inclined conical surface, inclined conical surface with the sealed laminating of the internal face of sealed disk seat, the top of sealed disk seat is provided with the ejector pin, the middle part of ejector pin is provided with the outward flange, the bottom of outward flange contacts with the top of sealed disk seat, the inner and the valve body sliding connection of ejector pin, set up the ejector pin hole that holds tip in the ejector pin on the valve body.
2. The high performance double eccentric ceramic valve seat according to claim 1, wherein: the top of the valve body is provided with a packing cavity with an upward opening, the packing cavity is filled with packing seal, the packing gland is installed at the opening of the packing cavity, and the bottom of the packing seal is provided with a sealing ring.
3. The high performance double eccentric ceramic valve seat according to claim 1, wherein: the upper and lower both sides of dish board have been seted up interior concave station and interior concave station down respectively, it is formed with the last seal groove that is used for placing the sealing ring to go up between interior concave station and the valve body, be formed with the lower seal groove that is used for placing the sealing ring between interior concave station and the valve body down.
4. The high performance double eccentric ceramic valve seat of claim 1, wherein: the sealing valve seat is characterized by further comprising a sealing valve seat pressing plate, the sealing valve seat pressing plate is detachably connected to the valve body, a sealing gasket is arranged between the sealing valve seat pressing plate and the valve body, an annular groove with an opening is formed in the smooth bending of the outer edge face of the disc plate, an annular boss is arranged on one side of the sealing valve seat pressing plate in a protruding mode, the annular boss is embedded into the annular groove, and an inner flange is arranged on the inner side of the sealing valve seat pressing plate.
5. The high performance double eccentric ceramic valve seat of claim 1, wherein: the bottom of the inner edge surface of the valve body is provided with a rotating groove, and the bottom of the valve rod is rotatably embedded into the rotating groove.
6. The high performance double eccentric ceramic valve seat according to claim 1, wherein: the dish board is installed on the valve rod through a plurality of shock attenuation bolts.
7. The high performance double eccentric ceramic valve seat of claim 6, wherein: the damping bolt comprises a base and a screw rod, a damping groove is formed in the base, one end of the screw rod is arranged in the damping groove in a sliding mode, and a disc spring is arranged between one end of the screw rod and the groove wall of the damping groove.
8. The high performance double eccentric ceramic valve seat according to claim 1, wherein: the sealing valve seat is made of ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221812554.8U CN218152401U (en) | 2022-07-14 | 2022-07-14 | High-performance double-eccentric ceramic valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221812554.8U CN218152401U (en) | 2022-07-14 | 2022-07-14 | High-performance double-eccentric ceramic valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218152401U true CN218152401U (en) | 2022-12-27 |
Family
ID=84594744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221812554.8U Active CN218152401U (en) | 2022-07-14 | 2022-07-14 | High-performance double-eccentric ceramic valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218152401U (en) |
-
2022
- 2022-07-14 CN CN202221812554.8U patent/CN218152401U/en active Active
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