CN214889028U - High-temperature hard-seal floating ball valve - Google Patents
High-temperature hard-seal floating ball valve Download PDFInfo
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- CN214889028U CN214889028U CN202121726826.8U CN202121726826U CN214889028U CN 214889028 U CN214889028 U CN 214889028U CN 202121726826 U CN202121726826 U CN 202121726826U CN 214889028 U CN214889028 U CN 214889028U
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- valve
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- high temperature
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- seat
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Abstract
The utility model relates to a high temperature ball valve that floats sealed firmly, including spheroid, valve body and valve gap, distribute and fixed cooperation about valve body and the valve gap, form between valve body and the valve gap and be used for installing spheroidal cavity, its characterized in that: the valve body and the valve cover are respectively and oppositely provided with an extrusion inclined plane surrounding the cavity, the distance between the extrusion inclined planes of the valve body and the valve cover is gradually increased along with the approaching of the inner side, and the extrusion inclined planes of the valve body and the valve cover are compressed to form a first metal C-shaped ring with a lip opening facing the inner side. With the adoption of the scheme, the utility model provides an improve sealing performance's high temperature ball valve that floats sealed firmly.
Description
Technical Field
The utility model relates to a ball valve field, concretely relates to high temperature ball valve that floats sealed firmly.
Background
The high-temperature hard-seal floating ball valve is applied to a high-temperature environment and adopts a ball valve with a floating hard-seal valve seat, and comprises a valve body and a valve cover which are distributed at the left and right sides, wherein a cavity for installing a ball body is formed between the valve body and the valve cover, the valve body and the valve cover are generally fixed through bolts, the bolts can loose due to various external factors such as pipeline stress, vibration and the like, the distance of a sealing surface between the body cover is slightly changed, and therefore the leakage is easily caused from a gap between the valve body and the valve cover, and the sealing property of a flow channel is influenced.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide an improve high temperature ball valve that floats sealed firmly of sealing performance.
In order to achieve the above purpose, the utility model provides a following technical scheme: including spheroid, valve body and valve gap control distribute and fixed coordination, valve body and valve gap between form and be used for installing spheroidal cavity, its characterized in that: the valve body and the valve cover are respectively and oppositely provided with an extrusion inclined plane surrounding the cavity, the distance between the extrusion inclined planes of the valve body and the valve cover is gradually increased along with the approaching of the inner side, and the extrusion inclined planes of the valve body and the valve cover are compressed to form a first metal C-shaped ring with a lip opening facing the inner side.
Through adopting above-mentioned technical scheme, first metal C type circle produces elastic deformation under the load that is used for fixed valve gap and valve rod fixed with the bolt, and C type lip expands gradually under the effect of medium pressure again, and simultaneously, the trapezoidal extrusion structure that the extrusion inclined plane of valve body and valve gap formed, even sealed face distance takes place little change under the high temperature influence between valve body and the valve gap, makes first metal C type circle have reliable sealed compactness to high leakproofness between valve body and the valve gap has been ensured.
The utility model discloses further set up to: the first metal C-shaped ring is made of high-temperature-resistant nickel-based alloy.
By adopting the technical scheme, the high-temperature-resistant nickel-based alloy is preferably selected, so that the first metal C-shaped ring has better working performance under the high-temperature working condition.
The utility model discloses further set up to: the valve cover is provided with a valve seat mounting groove for mounting the valve seat towards the end face of the valve body, and the valve body and the valve seat are compressed to form an elastic piece for extruding the valve seat to the valve seat mounting groove.
Through adopting above-mentioned technical scheme, add the elastic component, improve the preloading that offsets with the valve gap for the disk seat to guarantee that the sealed face of disk seat and valve gap is closely laminated.
The utility model discloses further set up to: the elastic piece be the leaf spring, the valve body with the position that the leaf spring offseted be provided with the wedge face of leaf spring laminating.
Through adopting above-mentioned technical scheme, the leaf spring is selected to the elastic component to add the wedge face rather than laminating at the valve body, the guide leaf spring that makes the relative movement of valve gap and valve body can be better produces stable preloading.
The utility model discloses further set up to: the valve gap be located the relative spheroidal opposite side of disk seat and be provided with the seal groove, seal groove and disk seat between the compression be provided with the second metal C type circle of lip outside towards.
Through adopting above-mentioned technical scheme, the disk seat receives leaf spring preloading and medium effect, makes second metal C type circle compression between valve gap and disk seat, makes it produce deformation, and the cooperation is towards the outside and the C type lip under the medium effect to improve the sealing performance at the disk seat back.
The utility model discloses further set up to: the valve seat is provided with a thread waterline at the other side opposite to the ball body and the part contacted with the valve cover.
Through adopting above-mentioned technical scheme, add the screw waterline, reduce sealed face area of contact, improve sealed must specific pressure, the part of screw waterline face and valve gap contact forms the little sealed pair of multichannel, better improvement the sealing performance at the disk seat back.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of a in fig. 1.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, the utility model discloses a high temperature hard seal floating ball valve, which comprises a ball body 1, a valve body 2 and a valve cover 3, the valve body 2 and the valve cover 3 are distributed and matched with each other, a valve neck 7 is arranged on the top of the valve body 1, a valve rod 8 for driving the ball body 1 to rotate is arranged on the valve body 1 and the valve neck 7, a cavity 4 for installing the ball body 1 is formed between the valve body 2 and the valve cover 3, the valve body 2 and the valve cover 3 are respectively provided with an extrusion inclined plane 21 surrounding the cavity 4, the distance between the extrusion inclined planes 21 of the valve body 2 and the valve cover 3 is gradually increased along with the approaching of the inner side, the extrusion inclined planes 21 of the valve body 2 and the valve cover 3 are compressed to be provided with a first metal C-shaped ring 5 with a lip facing the inner side, the first metal C-shaped ring 5 generates elastic deformation under the load of a bolt for fixing the valve cover 3 and the valve rod, and then the C-shaped lip is gradually expanded under the action of medium pressure, meanwhile, the trapezoid extrusion structure formed by the extrusion inclined surface 21 of the valve body 2 and the valve cover 3 slightly changes the distance between the sealing surfaces of the valve body 2 and the valve cover 3 even under the influence of high temperature, so that the first metal C-shaped ring 5 has reliable sealing tightness, and high sealing performance between the valve body 2 and the valve cover 3 is ensured.
The first metal C-shaped ring 5 is made of high-temperature-resistant nickel-based alloy, and preferably, the high-temperature-resistant nickel-based alloy enables the first metal C-shaped ring 5 to have better working performance under the high-temperature working condition.
Still include with spheroid 1 seal fit's disk seat 6, valve gap 3 is provided with the disk seat mounting groove 31 of installation disk seat 6 towards the terminal surface of valve body 2, and valve body 2 is provided with the disk seat 6 to the extruded elastic component of disk seat mounting groove 31 with the compression of disk seat 6, adds the elastic component, for the disk seat 6 improves the preloading that offsets with valve gap 3 to guarantee that the sealed face of disk seat 6 and valve gap 3 closely laminates.
The elastic part is a plate spring 32, a wedge-shaped surface 22 attached to the plate spring 32 is arranged at the position where the valve body 2 abuts against the plate spring 32, the plate spring 32 is selected as the elastic part, and the wedge-shaped surface 22 attached to the valve body 2 is additionally arranged on the valve body 2, so that the plate spring 32 can be better guided to generate stable preload when the valve cover 3 and the valve body 2 move relatively.
The valve cover 3 is provided with a sealing groove 33 at the other side of the valve seat 6 opposite to the sphere 1, a second metal C-shaped ring 34 with a lip facing outwards is compressed between the sealing groove 33 and the valve seat 6, the valve seat 6 is preloaded by the plate spring 32 and acted by a medium, the second metal C-shaped ring 34 is compressed between the valve cover 3 and the valve seat 6, the second metal C-shaped ring is deformed and matched with the C-shaped lip facing outwards and under the action of the medium, and therefore the sealing performance of the back face of the valve seat 6 is improved.
The opposite side of the relative spheroid 1 of disk seat 6 and with the part a of valve gap 3 contact be provided with the screw waterline, add the screw waterline, reduce sealed face area of contact, improve sealed must be than pressing, the part of screw waterline face and valve gap 3 contact forms the sealed pair of multichannel little, better improvement the sealing performance at the 6 backs of disk seat.
Claims (6)
1. The utility model provides a high temperature ball valve that floats sealed firmly, includes spheroid, valve body and valve gap about distribute and fixed coordination, valve body and valve gap between form and be used for installing spheroidal cavity, its characterized in that: the valve body and the valve cover are respectively and oppositely provided with an extrusion inclined plane surrounding the cavity, the distance between the extrusion inclined planes of the valve body and the valve cover is gradually increased along with the approaching of the inner side, and the extrusion inclined planes of the valve body and the valve cover are compressed to form a first metal C-shaped ring with a lip opening facing the inner side.
2. The high temperature hard seal floating ball valve of claim 1, wherein: the first metal C-shaped ring is made of high-temperature-resistant nickel-based alloy.
3. The high temperature hard seal floating ball valve of claim 1, wherein: the valve cover is provided with a valve seat mounting groove for mounting the valve seat towards the end face of the valve body, and the valve body and the valve seat are compressed to form an elastic piece for extruding the valve seat to the valve seat mounting groove.
4. The high temperature hard seal floating ball valve of claim 3, wherein: the elastic piece be the leaf spring, the valve body with the position that the leaf spring offseted be provided with the wedge face of leaf spring laminating.
5. The high temperature hard seal floating ball valve of claim 3, wherein: the valve gap be located the relative spheroidal opposite side of disk seat and be provided with the seal groove, seal groove and disk seat between the compression be provided with the second metal C type circle of lip outside towards.
6. The high temperature hard seal floating ball valve of claim 3, wherein: the valve seat is provided with a smooth thread waterline at the other side opposite to the ball body and the part contacted with the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121726826.8U CN214889028U (en) | 2021-07-27 | 2021-07-27 | High-temperature hard-seal floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121726826.8U CN214889028U (en) | 2021-07-27 | 2021-07-27 | High-temperature hard-seal floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214889028U true CN214889028U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121726826.8U Active CN214889028U (en) | 2021-07-27 | 2021-07-27 | High-temperature hard-seal floating ball valve |
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| CN (1) | CN214889028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539502A (en) * | 2023-07-05 | 2023-08-04 | 北京国仪精测技术有限公司 | Plug connector of sample tube and specific surface area instrument |
-
2021
- 2021-07-27 CN CN202121726826.8U patent/CN214889028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539502A (en) * | 2023-07-05 | 2023-08-04 | 北京国仪精测技术有限公司 | Plug connector of sample tube and specific surface area instrument |
| CN116539502B (en) * | 2023-07-05 | 2023-10-03 | 北京国仪精测技术有限公司 | Plug connector of sample tube and specific surface area instrument |
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