CN220770188U - Eccentric hemisphere valve - Google Patents
Eccentric hemisphere valve Download PDFInfo
- Publication number
- CN220770188U CN220770188U CN202322398482.8U CN202322398482U CN220770188U CN 220770188 U CN220770188 U CN 220770188U CN 202322398482 U CN202322398482 U CN 202322398482U CN 220770188 U CN220770188 U CN 220770188U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- connecting pipe
- limiting ring
- ring
- Prior art date
- 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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- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model provides an eccentric hemispherical valve, which comprises a valve body, wherein one end of the valve body is provided with a connecting pipe, the end part of the connecting pipe is provided with a flange, a valve seat is arranged in the connecting pipe, an annular limiting boss is arranged in the connecting pipe, the limiting boss is positioned at the inner side of the valve seat, an annular connecting groove is formed in the inner side wall of the connecting pipe, the diameter of the connecting groove is larger than the outer diameter of the valve seat, an annular limiting ring is connected in the connecting groove, the inner diameter of the limiting ring is smaller than the outer diameter of the valve seat, and the valve seat is limited and fixed between the limiting ring and the limiting boss. The parts limiting the valve seat are arranged on the inner side wall of the connecting pipe, so that the end face of the flange on the connecting pipe is not damaged, the original sealing area can be kept, the sealing performance of the sealing gasket can be fully exerted, and a good sealing effect is achieved.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an eccentric hemispherical valve.
Background
The valve is connected with the pipeline by means of flanges, the flange on the valve is fixedly connected with the flange on the pipeline by bolts, and a sealing gasket is arranged on the contact end face between the two flanges.
The valve body is internally provided with the valve seat, the valve seat is arranged in the valve body from one end of the opening of the valve body, the annular limiting table is arranged in the valve body to limit the valve seat to move towards the ball body, in order to fix the valve seat, the valve seat is limited to move away from the ball body, a limiting piece such as an annular fixing ring is arranged at the opening end of the valve body and is connected with the valve body through a screw, thus, the port of the valve body is required to be processed, a space for installing the fixing ring (such as an annular groove is processed), the sealing surface of the original flange of the port of the valve body is damaged (the flange and the port of the valve body share one sealing surface), the sealing surface area is reduced, and thus, the sealing gasket between the flanges cannot fully play a role, even can not play a role, and thus the possibility of leakage exists.
Disclosure of Invention
The utility model provides an eccentric hemisphere valve aiming at the problems pointed out in the background art so as to solve the technical problems.
The technical scheme of the utility model is realized as follows:
the utility model provides a valve disk seat connection structure, includes the valve body, and the one end of valve body is equipped with the connecting pipe, and the tip of connecting pipe is equipped with the flange, is equipped with the disk seat in the connecting pipe, is equipped with annular restriction boss in the connecting pipe, and the restriction boss is located the inboard of disk seat, the inside wall of connecting pipe on be equipped with annular spread groove, the diameter of spread groove is greater than the external diameter of disk seat, the spread groove is connected with annular restriction ring in, the internal diameter of restriction ring is less than the external diameter of disk seat, the disk seat is restricted to be fixed between restriction ring and restriction boss.
The utility model is further characterized in that an annular adjusting ring is arranged between the limiting ring and the valve seat, and a spring is arranged between the adjusting ring and the valve seat.
The utility model is further characterized in that the valve seat is provided with a spring mounting groove for connecting the spring.
The utility model is further characterized in that the limiting ring is provided with threaded holes penetrating through two axial sides of the limiting ring, the threaded holes are internally connected with adjusting screws in a threaded manner, and the adjusting screws are positioned on the inner side of the limiting ring.
The utility model is further arranged that the limiting ring is provided with two breaking grooves which are arranged in parallel, the two breaking grooves are symmetrically arranged about the center of the limiting ring, the limiting ring is divided into four parts by the two breaking grooves, the adjusting ring is provided with a first positioning pin hole, the first positioning pin hole is internally connected with a first positioning pin, and the side wall of the first positioning pin is propped against the inner side wall of the adjusting ring.
The utility model is further arranged that the four parts of the limiting ring are respectively provided with a second positioning pin hole, the second positioning pin holes are internally connected with second positioning pins, and the side walls of the second positioning pins are propped against the inner side walls of the connecting pipes.
The eccentric hemisphere valve comprises a valve body and further comprises the valve seat connecting structure of the valve, wherein a ball body is arranged in the valve body and is in sealing fit with the valve seat.
The utility model is further characterized in that the valve body is provided with a valve rod for driving the ball body to rotate.
The utility model is further characterized in that the valve body is provided with an actuator for driving the valve rod to rotate.
By adopting the technical scheme, the utility model has the beneficial effects that:
the valve seat connecting structure and the eccentric hemispherical valve provided by the utility model have the advantages that the parts for limiting the valve seat are arranged on the inner side wall of the connecting pipe, so that the end face of the flange on the connecting pipe is not damaged, the original sealing area can be kept, the sealing performance of the sealing gasket can be fully exerted, and a good sealing effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is an enlarged view of a portion of fig. 1 in accordance with the present utility model.
FIG. 3 is a schematic view of the structure of the confinement ring and the adjustment ring of the utility model.
FIG. 4 is a second schematic structural view of the confinement ring and the adjustment ring of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is illustrated below with reference to fig. 1-4:
example 1: the utility model provides an eccentric hemisphere valve, including valve body 1, both ends opening sets up about valve body 1, valve body 1 upper end is equipped with the valve rod connector, be equipped with drive spheroid 6 pivoted valve rod 7 on the valve body 1, be equipped with drive valve rod 7 pivoted executor 8 on the valve body 1, both ends opening is connected with connecting pipe 2 about valve body 1, the tip of connecting pipe 2 is equipped with flange 3, be equipped with disk seat 4 in one of them connecting pipe 2, be equipped with annular restriction boss 5 in the connecting pipe 2, restriction boss 5 is located disk seat 4's inboard, be equipped with spheroid 6 in the valve body 1, spheroid 6 and disk seat 4 sealing fit, restriction boss 5 is located between disk seat 4 and the spheroid 6. The above is the prior art, and the following is the improvement technical scheme of this application:
be equipped with annular spread groove 9 on the inside wall of connecting pipe 2, spread groove 9 and disk seat 4, restriction boss 5, connecting pipe 2 coaxial setting, the diameter of spread groove 9 is greater than the external diameter of disk seat 4, is connected with annular restriction ring 10 in the spread groove 9, and the internal diameter of restriction ring 10 is less than the external diameter of disk seat 4, and the internal diameter of restriction ring 10 is greater than the internal diameter of disk seat 4, and disk seat 4 is restricted to be fixed between restriction ring 10 and restriction boss 5, restricts the axial displacement of disk seat 4.
An annular adjusting ring 11 is arranged between the limiting ring 10 and the valve seat 4, a spring 12 is arranged between the adjusting ring 11 and the valve seat 4, a spring mounting groove for connecting the spring 12 is arranged on the valve seat 4, the spring 12 applies elasticity to the valve seat 4, the valve seat 4 and the ball 6 form elastic sealing fit, and the distance between the limiting ring 10 and the limiting boss 5 is larger than the sum of the axial thicknesses of the valve seat 4 and the adjusting ring 11. The limiting ring 10 is provided with threaded holes penetrating through two axial sides of the limiting ring, the threaded holes are internally and threadedly connected with adjusting screws 13, the adjusting screws 13 are located on the inner side of the limiting ring 10, under the action of the springs 12, the valve seat 4 is in abutting fit with the ball 6, the adjusting ring 11 is in abutting fit with the limiting ring 10, the front ends of the adjusting screws 13 are located between the limiting ring 10 and the adjusting ring 11, and the elastic movement amount of the valve seat 4 can be adjusted through the adjusting screws 13.
The limiting ring 10 is provided with two breaking grooves 14, the breaking grooves 14 are arranged in parallel, the two breaking grooves 14 are symmetrically arranged about the center of the limiting ring 10, the limiting ring 10 is divided into four parts by the two breaking grooves 14, the adjusting ring 11 is provided with a first positioning pin hole 15, the first positioning pin hole 15 is internally connected with a first positioning pin 16, the side wall of the first positioning pin 16 is propped against the inner side wall of the adjusting ring 11, and the first positioning pin 16 can prevent the limiting ring 10 from moving radially inwards. The four parts of the limiting ring 10 are respectively provided with a second positioning pin hole 17, a second positioning pin 18 is connected in the second positioning pin hole 17, the side wall of the second positioning pin 18 abuts against the inner side wall of the connecting pipe 2, and the second positioning pin 18 can prevent the limiting ring 10 from moving to the radial outer side.
The limiting ring and the adjusting ring which are used for limiting and fixing the valve seat are arranged on the inner side of the connecting pipe, so that the structure of the flange connection end face can not be damaged, the sealing area can not be reduced, and the sealing performance of the sealing gasket between the flanges can not be influenced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (3)
1. The utility model provides an eccentric hemisphere valve, includes valve body, its characterized in that: the valve comprises a valve body, wherein a connecting pipe is arranged at one end of the valve body, a flange is arranged at one end of the connecting pipe, a valve seat is arranged in the connecting pipe, an annular limiting boss is arranged in the connecting pipe, the limiting boss is positioned at the inner side of the valve seat, an annular connecting groove is formed in the inner side wall of the connecting pipe, the diameter of the connecting groove is larger than the outer diameter of the valve seat, an annular limiting ring is connected in the connecting groove, the inner diameter of the limiting ring is smaller than the outer diameter of the valve seat, the valve seat is limited and fixed between the limiting ring and the limiting boss, an annular adjusting ring is arranged between the limiting ring and the valve seat, a spring is arranged between the adjusting ring and the valve seat, a spring mounting groove for connecting the spring is arranged on the valve seat, a threaded hole penetrating through two axial sides of the limiting ring is formed in the limiting ring, an adjusting screw is connected in the threaded hole, the adjusting screw is positioned at the inner side of the limiting ring, two breaking grooves are formed in parallel, the two breaking grooves are symmetrically arranged about the center of the limiting ring, the limiting ring is divided into four parts by the limiting rings, a first positioning pin hole is formed in the adjusting ring, a first positioning pin is connected with the first positioning pin in the first positioning pin hole, the side wall of the limiting ring is abutted against the inner side wall of the adjusting ring and the second positioning pin is respectively provided with a second positioning pin in the second positioning pin; the valve body is internally provided with a ball body which is in sealing fit with the valve seat.
2. An eccentric hemisphere valve as claimed in claim 1 wherein: the valve body is provided with a valve rod for driving the ball body to rotate.
3. An eccentric hemisphere valve as claimed in claim 1 wherein: the valve body is provided with an actuator for driving the valve rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398482.8U CN220770188U (en) | 2023-09-04 | 2023-09-04 | Eccentric hemisphere valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398482.8U CN220770188U (en) | 2023-09-04 | 2023-09-04 | Eccentric hemisphere valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770188U true CN220770188U (en) | 2024-04-12 |
Family
ID=90613879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322398482.8U Active CN220770188U (en) | 2023-09-04 | 2023-09-04 | Eccentric hemisphere valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770188U (en) |
-
2023
- 2023-09-04 CN CN202322398482.8U patent/CN220770188U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |