CN210830573U - Double-eccentric half ball valve - Google Patents
Double-eccentric half ball valve Download PDFInfo
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- CN210830573U CN210830573U CN201922029112.0U CN201922029112U CN210830573U CN 210830573 U CN210830573 U CN 210830573U CN 201922029112 U CN201922029112 U CN 201922029112U CN 210830573 U CN210830573 U CN 210830573U
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- eccentric half
- ball valve
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Abstract
The utility model discloses a double-eccentric half-ball valve, which comprises a valve body, wherein the valve body comprises a first through hole, a second through hole and a third through hole, the first through hole and the second through hole are symmetrically arranged at the left end and the right end of the valve body, and the third through hole is arranged at the upper end of the valve body; the bottom of the valve body is provided with a mounting seat, the upper end of the mounting seat is rotatably provided with a hemisphere, the right side of the hemisphere is provided with a protective sealing ring, and the protective sealing ring and the valve body are of an integrally formed structure; and a sealing element is arranged between the protective sealing ring and the hemispheroid. The utility model discloses a two eccentric half ball valves simple structure, the use safety, simple to operate, save material, long service life, easy maintenance.
Description
Technical Field
The utility model relates to a ball valve technical field especially relates to a two eccentric half-ball valves.
Background
The double-eccentric half ball valve is an industrial production part, is similar to a three-eccentric hard seal butterfly valve, and has the advantages of light operation, no friction in the opening process, zero leakage, long service life and the like; the method is applied to the occasions of coal powder injection in the steel industry, ore pulp, mother liquor and alumina powder conveying in the alumina industry, hydraulic (or dry) ash removal in the power industry, the petrochemical industry, the gas industry and the like. However, in the process of installing and using the double-eccentric half ball valve in the market, the ball body generally enters from the through holes at the left end and the right end, so that the through holes at the left end and the right end are required to be opened greatly, and the filling of materials such as flexible graphite is required after the double-eccentric half ball valve is installed, so that the leakage of the double-eccentric half ball valve is prevented, the dependence is provided for the installation of a sealing element, the double-eccentric half ball valve cannot move left and right, and the working stability of the ball body.
The utility model provides a two eccentric half-ball valves, it is different from traditional half-ball valve, installs from the through-hole on the top, and it has the protection sealing ring to control through-hole diameter size of adjusting at will and be close to on the through-hole of spheroid one side still integrated into one piece, avoids the spheroid to remove and the emergence of leakage phenomenon. Meanwhile, the sealing element between the hemisphere and the valve body is fixed through the connecting bolt on the valve seat, so that the sealing element is convenient to maintain and replace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two eccentric half-ball valves, solve spheroid mounting means and the inconvenient problem of maintenance.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a double-eccentric half-ball valve, which comprises a valve body, wherein the valve body comprises a first through hole, a second through hole and a third through hole, the first through hole and the second through hole are symmetrically arranged at the left end and the right end of the valve body, and the third through hole is arranged at the upper end of the valve body; the bottom of the valve body is provided with a mounting seat, the upper end of the mounting seat is rotatably provided with a hemisphere, the right side of the hemisphere is provided with a protective sealing ring, and the protective sealing ring and the valve body are of an integrally formed structure; and a sealing element is arranged between the protective sealing ring and the hemispheroid.
Further, the lower end of the valve body is provided with a base.
Further, the first through hole and the second through hole are located on the same axis.
Furthermore, a right angle is formed between the first through hole and the third through hole and between the second through hole and the third through hole.
Furthermore, the diameter of the through hole III is slightly larger than the width of the hemisphere.
Furthermore, a connecting bolt is installed on the valve seat outside the protection sealing ring, and the connecting bolt penetrates through the valve seat and is connected with the sealing element after the protection sealing ring.
Furthermore, the diameter of the first through hole and the diameter of the second through hole are slightly smaller than the width of the hemisphere.
Furthermore, the upper end and the lower end of the hemisphere are respectively provided with an upper connecting hole and a lower connecting hole, and the upper connecting hole is connected with a transmission part through a fixing pin.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a two eccentric half ball valves are different from traditional half ball valve, and it can to go from three through-holes in the time of its installation hemisphere, need not to go from through-hole one or through-hole two, and through-hole one and the diameter size of through-hole can be adjusted at any time like this, have improved two eccentric half ball valve's utilization efficiency. In addition, a protective sealing ring is integrally formed on the through hole II close to one side of the hemisphere to replace a traditional single sealing structure, so that the hemisphere can be protected from being pushed out of the valve body under the action of external pressure, and the safety of the use process is ensured; meanwhile, the sealing element between the hemisphere and the valve body is fixed through the connecting bolt on the valve seat, namely, the sealing element can be maintained and replaced from the outer side of the valve body, and the valve is convenient and fast. In a word, this utility model double-eccentric half-ball valve simple structure, use safety, simple to operate, save material, long service life, easy maintenance.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a cross-sectional view of the double eccentric half ball valve of the present invention;
FIG. 2 is an enlarged view of the present invention A;
FIG. 3 is a schematic view of the installation of the double eccentric half ball valve of the present invention;
description of reference numerals: 1. a valve body; 2. a first through hole; 3. a lower connection hole; 4. a base; 5. a mounting seat; 6. A second through hole; 7. a hemisphere; 8. an upper connecting hole; 9. a third through hole; 10. protecting the sealing ring; 11. a connecting bolt; 12. and a seal.
Detailed Description
As shown in fig. 1, 2 and 3, the double-eccentric half ball valve comprises a valve body 1, wherein a base 4 is installed at the lower end of the valve body 1, and the base 4 is fixedly installed on the ground through foundation bolts.
The valve body 1 comprises a first through hole 2, a second through hole 6 and a third through hole 9, the first through hole 2 and the second through hole 6 are symmetrically arranged at the left end and the right end of the valve body 1, the third through hole 9 is arranged at the upper end of the valve body 1, and the three through holes are respectively arranged on three different pipelines. The first through hole 2 and the second through hole 6 are located on the same axis, and a right angle is formed between the first through hole 2 and the third through hole 6 and between the third through hole 9.
The valve body is characterized in that a mounting seat 5 is installed at the bottom of the valve body 1, and a hemisphere 7 is rotatably installed at the upper end of the mounting seat 5. The width of the hemisphere 7 is slightly larger than the diameters of the first through hole 2 and the second through hole 6 and slightly smaller than the diameter of the third through hole 9, so that the hemisphere 7 is convenient to install from the third through hole 9, and the hemisphere 7 is prevented from being separated from the valve body 1 from the first through hole 2 and the second through hole 6. In addition, upper connecting hole 8 and lower connecting hole 3 have been seted up respectively to the upper and lower both ends of hemisphere 7, upper connecting hole 8 is connected with transmission part through the fixed pin, and lower connecting hole 3 is articulated mount pad 5 through the round pin axle.
The right side of the hemisphere 7 is provided with a protective sealing ring 10, and the protective sealing ring 10 and the valve body 1 are of an integrally formed structure. The width of the protective sealing ring 10 can be adjusted according to the actual situation, and a stop ring and a sealing element do not need to be additionally installed at the position. And a connecting bolt 11 is arranged on the valve seat outside the protective sealing ring 10. And a sealing element 12 is arranged between the protective sealing ring 10 and the hemispheroid 7, so that the sealing performance of the valve is improved. The connecting bolt 11 passes through the valve seat and is in threaded connection with the sealing part 12 after the protection sealing ring 10, namely the sealing part 12 is installed through the connecting bolt 11 on the outer side of the valve seat, so that the replacement and the maintenance of the sealing part 12 by maintenance personnel are facilitated.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. A double-eccentric half-ball valve is characterized in that: the valve comprises a valve body (1), wherein the valve body (1) comprises a first through hole (2), a second through hole (6) and a third through hole (9), the first through hole (2) and the second through hole (6) are symmetrically arranged at the left end and the right end of the valve body (1), and the third through hole (9) is arranged at the upper end of the valve body (1); the bottom of the valve body (1) is provided with an installation seat (5), the upper end of the installation seat (5) is rotatably provided with a hemisphere (7), the right side of the hemisphere (7) is provided with a protective sealing ring (10), and the protective sealing ring (10) and the valve body (1) are of an integrally formed structure; and a sealing element (12) is arranged between the protective sealing ring (10) and the hemispheroid (7).
2. The double eccentric half ball valve of claim 1, wherein: the lower end of the valve body (1) is provided with a base (4).
3. The double eccentric half ball valve of claim 1, wherein: the first through hole (2) and the second through hole (6) are positioned on the same axis.
4. The double eccentric half ball valve of claim 1, wherein: and the first through hole (2), the second through hole (6) and the third through hole (9) are in a right angle.
5. The double eccentric half ball valve of claim 1, wherein: the diameter of the through hole III (9) is slightly larger than the width of the hemispheroid (7).
6. The double eccentric half ball valve of claim 1, wherein: and a connecting bolt (11) is installed on the valve seat outside the protective sealing ring (10), and the connecting bolt (11) penetrates through the valve seat and is connected with the sealing element (12) behind the protective sealing ring (10).
7. The double eccentric half ball valve of claim 1, wherein: the diameters of the first through hole (2) and the second through hole (6) are slightly smaller than the width of the hemispheroid (7).
8. The double eccentric half ball valve of claim 1, wherein: the upper end and the lower end of the hemisphere (7) are respectively provided with an upper connecting hole (8) and a lower connecting hole (3), and the upper connecting hole (8) is connected with a transmission part through a fixing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029112.0U CN210830573U (en) | 2019-11-22 | 2019-11-22 | Double-eccentric half ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029112.0U CN210830573U (en) | 2019-11-22 | 2019-11-22 | Double-eccentric half ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830573U true CN210830573U (en) | 2020-06-23 |
Family
ID=71281416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922029112.0U Active CN210830573U (en) | 2019-11-22 | 2019-11-22 | Double-eccentric half ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830573U (en) |
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2019
- 2019-11-22 CN CN201922029112.0U patent/CN210830573U/en active Active
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