CN219345559U - V-shaped ball valve for high-temperature anti-blocking - Google Patents
V-shaped ball valve for high-temperature anti-blocking Download PDFInfo
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- CN219345559U CN219345559U CN202320331354.9U CN202320331354U CN219345559U CN 219345559 U CN219345559 U CN 219345559U CN 202320331354 U CN202320331354 U CN 202320331354U CN 219345559 U CN219345559 U CN 219345559U
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- elastic sheet
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Abstract
The utility model discloses a V-shaped ball valve with high temperature anti-blocking function, which has the technical scheme that the V-shaped ball valve comprises a valve body, a V-shaped valve core positioned in the valve body, a valve seat propped against the V-shaped valve core and a valve seat gland limiting the valve seat in the valve body, wherein an elastic sheet with high temperature resistance is coaxially welded on the outer wall of the valve seat, the valve seat gland and the valve body jointly clamp the outer edge of the elastic sheet, and the valve seat gland and the valve body are both in sealing connection with the elastic sheet, so that the problem of leakage of the existing V-shaped ball valve in a high temperature environment is solved.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a V-shaped ball valve with high-temperature anti-blocking function.
Background
The ball valve has the characteristics of compact structure, reliable sealing, simple structure, convenient maintenance, normal closed state of the sealing surface and the spherical surface, difficult erosion by media, easy quick opening and closing, easy operation and the like, and is widely applied to the fields of petroleum, chemical industry, metallurgy, electric power, water conservancy, medicine and the like.
The ball valve realizes hard seal through the mutual contact laminating of disk seat and case to blocking the circulation of medium, in long-term use, case and disk seat are because of the high temperature or impurity adhesion and take place the variation in size, lead to the phenomenon that case and disk seat card die each other easily, prior art adopts the mode of add the spring between disk seat gland and disk seat and all add the graphite seal circle that is spacing between disk seat gland and disk seat at the spring both ends, utilize the elastic deformation of spring to assist the removal of disk seat relative valve body, the card die problem between disk seat and the case has been solved, but still have the defect, because valve body and disk seat gland homoenergetic relatively valve seat remove, so there is the gap between valve body and the disk seat gland both and the disk seat, simultaneously under high temperature environment, graphite seal circle is heated inefficacy and has the possibility of burning, the security is low, and the medium can flow through from the gap and lead to the phenomenon of ball valve leakage.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a V-shaped ball valve which is high-temperature resistant, stable in sealing and anti-jamming.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a V type ball valve of high temperature protection card, includes the valve body, is located the internal V type case of valve, with the disk seat of V type case top contact and with the disk seat gland in the internal valve seat of disk seat, coaxial welding has high temperature resistant elastic sheet on the disk seat outer wall, the outer edge of elastic sheet is held jointly to disk seat gland and valve body, disk seat gland and valve body all with elastic sheet sealing connection.
As a further improvement of the utility model, the elastic piece is provided with a convex ring which is arranged with the valve seat and is convex to the valve seat gland.
As a further improvement of the utility model, two sealing gaskets are respectively clamped between the valve seat gland and the elastic sheet and between the valve body and the elastic sheet.
As a further improvement of the utility model, a wave spring coaxial with the valve seat is arranged between the valve seat gland and the elastic piece.
As a further improvement of the utility model, sealing rings for preventing impurities from passing through are arranged between the valve seat gland and the valve seat and between the valve body and the valve seat.
The utility model has the beneficial effects that: compared with the design that a graphite sealing ring is adopted in the prior art, the design that the elastic sheet is made of high-temperature-resistant materials is good in heat stability, the structure of the elastic sheet is stable, the outer edge of the elastic sheet is tightly attached by the two sealing gaskets to form hard sealing, the inner wall of the elastic sheet is welded with the outer wall of the valve seat, and compared with the design that a spring is adopted in the prior art to assist the valve seat to move, the design can effectively block medium circulation, avoid leakage of the medium between the valve seat and the valve body, improve the sealing performance of the valve seat, and meanwhile, the elastic sheet has good structural stability compared with the spring and needs small space.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
Reference numerals: 1. a valve body; 2. a V-shaped valve core; 3. a valve seat; 4. a valve seat gland; 5. an elastic sheet; 6. a raised ring; 7. a sealing gasket; 8. a wave spring; 9. and (3) sealing rings.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals.
Referring to fig. 1 to 2, a V-shaped ball valve for high temperature anti-seizing in this embodiment includes a valve body 1, a V-shaped valve core 2 located in the valve body 1, a valve seat 3 in contact with the V-shaped valve core 2, and a valve seat gland 4 for restricting the valve seat 3 in the valve body 1;
based on the prior art, the elastic sheet 5 is made of a high temperature resistant material, such as a metal material, a ring-shaped elastic sheet 5 is punched to form a convex ring 6 coaxial with the elastic sheet 5, the elastic sheet 5 has elastic deformation capability, the connection position of the elastic sheet 5 and the convex ring 6 has good bending elastic deformation capability, in the assembling process, the elastic sheet 5 is sleeved outside the valve seat 3, the inner wall of the elastic sheet 5 is attached to the outer wall of the valve seat 3, the inner wall of the elastic sheet 5 is fixedly connected with the outer wall of the valve seat 3 by utilizing a welding mode, after the V-shaped valve core is arranged in the valve body 1, then one sealing gasket 7 is arranged in the valve body 1 so as to enable the sealing gasket 7 to be in contact with the valve body 1, the valve seat 3 with the elastic sheet 5 is continuously arranged in the valve body 1 until the edge part of the elastic sheet 5 presses the sealing gasket 7, the other sealing gasket 7 is coaxially arranged in the valve body 3 and the sealing gasket 7 is in contact with the edge part of the elastic sheet 5, finally the valve seat 4 is sleeved outside the valve seat 3 and positioned in the valve body 1 by utilizing a bolt fastening mode, and the two sealing gaskets 7 and the valve seat 4 are clamped between the valve seat 4 and the convex ring 4 and the valve seat 4;
in the use process, if the volume of the V-shaped valve core 2 is increased due to expansion or impurity adhesion, the V-shaped valve core 2 pushes the valve seat 3 to move towards the valve seat gland 4, the connection position of the elastic sheet 5 and the bulge loop 6 is bent and generates elastic force, and the elastic force of the elastic sheet 5 acting on the valve seat 3 reversely pushes the valve seat 3 to be always attached to the surface of the V-shaped valve core 2;
compared with the prior art, the design that the elastic sheet 5 adopts a high-temperature-resistant material is good in thermal stability and the elastic sheet 5 is stable in structure, the outer edge of the elastic sheet 5 is tightly attached by the two sealing gaskets 7 to form hard sealing, the inner wall of the elastic sheet 5 is welded with the outer wall of the valve seat 3, and compared with the design that the prior art adopts a spring for assisting the movement of the valve seat 3, the design can effectively block the circulation of medium, avoid the leakage of the medium between the valve seat 3 and the valve body 1, improve the tightness of the utility model, and meanwhile, the elastic sheet 5 has good structural stability and small required space compared with the spring; the design that the elastic sheet 5 is punched with the raised ring 6 has better bending resistance and is not easy to break compared with the sheet-shaped elastic sheet 5.
As a specific embodiment of improvement, referring to fig. 2, a wave spring 8 coaxial with the valve seat 3 is arranged between the valve seat gland 4 and the elastic piece 5, the maximum diameter of the wave spring 8 is smaller than the minimum diameter of the raised ring 6, the wave spring 8 is clamped between the valve seat gland 4 and the elastic piece 5, and the wave spring 8 can assist the elastic piece 5 to supplement the sealing pretightening force for the valve seat 3, and meanwhile, the structural stability of the elastic piece 5 can be further improved.
As a specific embodiment of the improvement, referring to fig. 2, sealing rings 9 for preventing impurities from passing through are arranged between the valve seat gland 4 and the valve seat 3 and between the valve body 1 and the valve seat 3, the sealing rings 9 are soft sealing rings, and the sealing rings 9 wear in friction with the valve body 1, but still can reduce gaps between the valve body 1 and the valve seat 3 and between the valve seat gland 4 and the valve seat 3, can prevent impurities except media from entering the cavity where the elastic piece 5 is located, and play a role of preventing blockage.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. The utility model provides a V type ball valve of high temperature protection against sticking, includes valve body (1), is located V type case (2) in valve body (1), with valve seat (3) of V type case (2) top contact and with valve seat (3) spacing disk seat gland (4) in valve body (1), its characterized in that: the high-temperature-resistant elastic sheet (5) is coaxially welded on the outer wall of the valve seat (3), the outer edge of the elastic sheet (5) is commonly clamped by the valve seat gland (4) and the valve body (1), and the valve seat gland (4) and the valve body (1) are in sealing connection with the elastic sheet (5).
2. The high temperature anti-seize V-ball valve of claim 1, wherein: the elastic piece (5) is provided with a protruding ring (6) which is arranged with the valve seat (3), and the protruding ring (6) protrudes towards the valve seat gland (4).
3. The high temperature anti-seize V-ball valve as set forth in claim 1 or 2, wherein: the valve further comprises two sealing gaskets (7) which are respectively clamped between the valve seat gland (4) and the elastic piece (5) and between the valve body (1) and the elastic piece (5).
4. The high temperature anti-seize V-ball valve as set forth in claim 1 or 2, wherein: a wave spring (8) coaxial with the valve seat (3) is arranged between the valve seat gland (4) and the elastic piece (5).
5. The high temperature anti-seize V-ball valve as set forth in claim 1 or 2, wherein: sealing rings (9) for preventing impurities from passing through are arranged between the valve seat gland (4) and the valve seat (3) and between the valve body (1) and the valve seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320331354.9U CN219345559U (en) | 2023-02-14 | 2023-02-14 | V-shaped ball valve for high-temperature anti-blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320331354.9U CN219345559U (en) | 2023-02-14 | 2023-02-14 | V-shaped ball valve for high-temperature anti-blocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345559U true CN219345559U (en) | 2023-07-14 |
Family
ID=87103310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320331354.9U Active CN219345559U (en) | 2023-02-14 | 2023-02-14 | V-shaped ball valve for high-temperature anti-blocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345559U (en) |
-
2023
- 2023-02-14 CN CN202320331354.9U patent/CN219345559U/en active Active
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