CN220134661U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN220134661U CN220134661U CN202321514067.8U CN202321514067U CN220134661U CN 220134661 U CN220134661 U CN 220134661U CN 202321514067 U CN202321514067 U CN 202321514067U CN 220134661 U CN220134661 U CN 220134661U
- Authority
- CN
- China
- Prior art keywords
- gland
- valve body
- valve
- ball
- sealing 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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Links
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 210000004907 gland Anatomy 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect 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, which comprises a valve body, a gland arranged on one side of the valve body and a ball arranged in the valve body, wherein the ball is arranged on the inner side of the valve body; an annular bulge is arranged on one side of the gland facing the valve body, and a first sealing ring is sleeved below the annular bulge; the gland is also provided with a mounting cavity, and the mounting cavity is contacted with the ball body through a second sealing ring in the mounting cavity; the gland is connected with the valve body, the annular bulge is inserted into the valve body, when the gland is pressed on the valve body, the first sealing ring can seal the joint of the gland and the valve body, and after the ball body is contacted with the second sealing ring in the mounting cavity, the joint of the ball body and the gland can be sealed; based on the above, the sealing performance of the ball valve is improved, and the first sealing ring is convenient to install and replace, so that the service life of the valve is prolonged, and the ball valve is worthy of popularization and application.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a ball valve.
Background
The known ball valves have long been used in industrial pipelines because of the fact that their opening and closing members (balls) rotate about axes perpendicular to the passage of the valve body. The elastic plastic sealing rings with good elasticity and wear resistance are generally arranged on the two sides of the sphere, the valve can be conveniently opened or closed by rotating the handle by an angle, and when the valve is opened, the flow guide hole in the sphere is just like a continuous pipe, so that the flow resistance coefficient is small, and the usability is good. The defects are that: the ball sealing surface and the valve seat sealing surface are in frictional wear, the sealing pair is easy to wear and leak after repeated opening and closing, the sealing performance is unreliable, and the service life of the product is short.
The prior ball valve is found by searching, taking the Chinese patent document with the patent number of CN112240409B as an example; although a sealing technology using a sealing ring is adopted between the gland and the valve body, the sealing ring is usually attached to the end face of the gland, so that when the gland is connected with the valve body, the sealing ring is ensured not to shift, otherwise, the tightness between the valve body and the gland cannot be ensured.
Disclosure of Invention
The present utility model is directed to a ball valve to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a ball valve comprises a valve body, a gland arranged on one side of the valve body and a ball arranged in the valve body; the ball body is connected with a valve rod; an annular bulge is arranged on one side of the gland facing the valve body, and a first sealing ring is sleeved below the annular bulge; the gland is also provided with an installation cavity; wherein, be equipped with the second sealing washer in the installation cavity, just the second sealing washer with the sphere contact of spheroid.
As a preferable technical scheme of the utility model: the valve rod is provided with a first annular groove and a second annular groove, and O-shaped rings are arranged in the first annular groove and the second annular groove.
As a preferable technical scheme of the utility model: the surface of the second sealing ring facing the sphere is provided with an arched surface.
By adopting the technical scheme, the utility model has the beneficial effects that: 1. the gland is connected with the valve body, and the annular bulge is inserted into the valve body, so that the joint of the gland and the valve body can be sealed by the first sealing ring when the gland is pressed on the valve body, and the annular bulge can reliably ensure that the position of the first sealing ring cannot be displaced when the gland is assembled with the valve body, so that the sealing performance of the valve is improved; in particular, the valve optimizes the structure of the gland, so that the sealing performance of the valve can be improved while the manufacturing cost of the valve is not greatly improved.
2. After the ball body is contacted with the second sealing ring in the mounting cavity, the sealing at the joint of the ball body and the gland can be realized; and make this valve body have dual sealing performance under the effect of first sealing washer, and then also be convenient for the installation and the replacement of first sealing washer when making this ball valve sealing performance promote to the life of extension this valve.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
fig. 3 is a partially enlarged schematic view at B in fig. 1.
In the figure: 1. a valve body; 2. a gland; 3. a first ring groove; 4. a second ring groove; 5. a valve stem; 6. an annular protrusion; 7. a first seal ring; 8. a mounting cavity; 9. a sphere; 10. and a second sealing ring.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "upper surface", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-3, an embodiment of the present utility model is provided: a ball valve comprises a valve body 1, a gland 2 arranged on one side of the valve body 1 and a sphere 9 arranged inside the valve body 1; the ball 9 is connected with the valve rod 5; an annular bulge 6 is arranged on one side of the gland 2 facing the valve body 1, and a first sealing ring 7 is sleeved below the annular bulge 6; the gland 2 is also provided with an installation cavity 8; wherein, a second sealing ring 10 is arranged in the installation cavity 8, and the second sealing ring 10 is contacted with the spherical surface of the sphere 9.
In summary, the gland 2 is connected with the valve body 1, and then the annular protrusion 6 is inserted into the valve body 1, when the gland 2 is pressed on the valve body 1, the first sealing ring 7 can seal the joint of the gland 2 and the valve body 1, so that the annular protrusion 6 can reliably ensure that the position of the first sealing ring 7 cannot be displaced when the gland 2 and the valve body 1 are assembled, and the sealing performance of the valve is improved; in particular, the valve optimizes the structure of the gland, so that the sealing performance of the valve can be improved while the manufacturing cost of the valve is not greatly improved.
Furthermore, after the ball 9 contacts with the second sealing ring 10 in the installation cavity 8, the joint of the ball 10 and the gland 2 can be sealed; and make this valve body have dual sealing performance under the effect of first sealing washer 7, and then make this ball valve sealing performance also be convenient for the installation and the replacement of first sealing washer when promoting to the life of extension this valve.
Further, as the valve rod 5 is provided with the first annular groove 3 and the second annular groove 4, and the first annular groove 3 and the second annular groove 4 are respectively provided with the O-shaped rings, the O-shaped rings in the two annular grooves can be matched with the packing below the packing gland, so that the tightness of the valve body can be ensured.
Furthermore, since the surface of the second sealing ring 10 facing the sphere 9 is an arched surface, the arched surface and the sphere are in contact with each other, so that the frictional damage between the arched surface and the sphere can be reduced while the sealing performance is improved, and the service life of the second sealing ring 10 can be ensured.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (3)
1. A ball valve, characterized in that: comprises a valve body (1), a gland (2) arranged on one side of the valve body (1) and a sphere (9) arranged inside the valve body (1); the ball body (9) is connected with the valve rod (5) which is arranged;
an annular bulge (6) is arranged on one side of the gland (2) facing the valve body (1), and a first sealing ring (7) is sleeved below the annular bulge (6);
an installation cavity (8) is further formed in the gland (2); the installation cavity (8) is internally provided with a second sealing ring (10), and the second sealing ring (10) is in contact with the spherical surface of the sphere (9).
2. A ball valve according to claim 1, wherein: the valve rod (5) is provided with a first annular groove (3) and a second annular groove (4), and O-shaped rings are arranged in the first annular groove (3) and the second annular groove (4).
3. A ball valve according to claim 1 or 2, wherein: the surface of the second sealing ring (10) facing the sphere (9) is provided with an arched surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321514067.8U CN220134661U (en) | 2023-06-14 | 2023-06-14 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321514067.8U CN220134661U (en) | 2023-06-14 | 2023-06-14 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134661U true CN220134661U (en) | 2023-12-05 |
Family
ID=88958675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321514067.8U Active CN220134661U (en) | 2023-06-14 | 2023-06-14 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134661U (en) |
-
2023
- 2023-06-14 CN CN202321514067.8U patent/CN220134661U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |