CN208831842U - A kind of changeable type hard alloy sealing surface power station cut-off valve body - Google Patents
A kind of changeable type hard alloy sealing surface power station cut-off valve body Download PDFInfo
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- CN208831842U CN208831842U CN201821725005.0U CN201821725005U CN208831842U CN 208831842 U CN208831842 U CN 208831842U CN 201821725005 U CN201821725005 U CN 201821725005U CN 208831842 U CN208831842 U CN 208831842U
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- China
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- valve body
- sealing surface
- power station
- annular protrusion
- hard alloy
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Abstract
The utility model discloses a kind of changeable type hard alloy sealing surface power station cut-off valve body, it may include valve body piece uploading and valve body lower part, mouth in valve body is offered among the valve body piece uploading, L-shaped valve body import and valve outlet are respectively arranged in the valve body lower part, the valve body import, which is located at the upper surface of the valve body lower part, is provided with valve body sealing surface；Valve body piece uploading bottom is connected with annular protrusion, and valve body lower part upper surface, which is offered, to be tightly connected with the matched annular groove of the annular protrusion, the valve body piece uploading and valve body lower part by annular protrusion and annular groove.Changeable type hard alloy sealing surface power station cut-off valve body provided by the utility model, keeps power station cut-off valve body easy to maintenance, good airproof performance.
Description
Technical field
The utility model relates to general machinery equipment technical fields, seal more particularly to a kind of changeable type hard alloy
Face power station cut-off valve body.
Background technique
So far checking-valve body for electric power plant is at home and abroad or based on the traditional structure of solid forging part, therefore the power station is ended
The difficulty of processing of the sealing surface of valve body is especially big.Currently, the novel checking-valve body for electric power plant of domestic design, is generally welded using weld seam
Or the method composition of flanged joint, which ensure that the machining accuracy of checking-valve body for electric power plant sealing surface, but the power station is ended
The structure of valve body is not easy to repair the sealing surface of checking-valve body for electric power plant, while poor sealing in the future.
Utility model content
The purpose of the utility model is to provide a kind of changeable type hard alloy sealing surface power station cut-off valve bodies, to solve
The above-mentioned problems of the prior art keeps power station cut-off valve body easy to maintenance, good airproof performance.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of changeable type hard alloy sealing surface power station cut-off valve body, including valve body piece uploading and
Valve body lower part offers mouth in valve body among the valve body piece uploading, is respectively arranged with L-shaped valve body import in the valve body lower part
And valve outlet, the valve body import, which is located at the upper surface of the valve body lower part, is provided with valve body sealing surface；On the valve body
Part bottom is connected with annular protrusion, and valve body lower part upper surface offers recessed with the matched annular of the annular protrusion
Slot, the valve body piece uploading and valve body lower part are tightly connected by annular protrusion and annular groove.
Optionally, the annular protrusion and the valve body piece uploading are integrally formed.
Optionally, the valve body sealing surface is the hard alloy sealing surface structure of inserted installation；The valve body sealing surface
Internal diameter be greater than the valve body import internal diameter.
Optionally, the annular protrusion and annular groove clamping, nested encryptions or welding.
Optionally, external screw thread is offered on the annular protrusion outer wall, offers interior spiral shell on the annular groove side wall
Line；The annular protrusion is connected through a screw thread with the annular groove.
Optionally, internal screw thread is offered on the annular protrusion inner wall, offers outer spiral shell on the annular groove side wall
Line；The annular protrusion is connected through a screw thread with the annular groove；The annular groove bottom is equipped with gasket.
Optionally, the valve body sealing surface is located at valve body lower part center.
Optionally, the top of mouth is cylinder-like structure in the valve body, and lower part is the horn-like structure that internal diameter is gradually increased.
The utility model achieves following technical effect compared with the existing technology:
Changeable type hard alloy sealing surface power station cut-off valve body provided by the utility model not only ensure that power station is cut
The only machining accuracy of valve body sealing surface also solves the checking-valve body for electric power plant being welded to form, and is not easy to repair power station cut-off in the future
The problem of valve body sealing surface；Valve body piece uploading and valve body lower part use installation by adhering simultaneously, good airproof performance and reduce valve body
Volume saves material and occupied area.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the utility model changeable type hard alloy sealing surface power station cut-off valve body structural schematic diagram；
Fig. 2 is the valve body piece uploading structural representation of the utility model changeable type hard alloy sealing surface power station cut-off valve body
Figure；
Fig. 3 is the valve body lower part structural representation of the utility model changeable type hard alloy sealing surface power station cut-off valve body
Figure；
Wherein, 1 it is valve body piece uploading, 2 be valve body lower part, 3 be mouth in valve body, 4 be valve body import, 5 be valve outlet, 6 is
Valve body sealing surface, 7 be annular protrusion, 8 be annular groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of changeable type hard alloy sealing surface power station cut-off valve bodies, to solve
The above-mentioned problems of the prior art keeps power station cut-off valve body easy to maintenance, good airproof performance.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment one
The utility model provides a kind of changeable type hard alloy sealing surface power station cut-off valve body, such as Fig. 1, Fig. 2 and Fig. 3
It is shown, including valve body piece uploading 1 and valve body lower part 2, mouth 3 in valve body are offered among valve body piece uploading 1, are set respectively in valve body lower part 2
It is equipped with L-shaped valve body import 4 and valve outlet 5, valve body import 4, which is located at the upper surface of valve body lower part 2, is provided with valve seal
Face 6；Valve body sealing surface 6 is located at 2 center of valve body lower part；1 bottom of valve body piece uploading is connected with annular protrusion 7, annular protrusion 7
It can be integrally formed, can also be offered and annular protrusion 7 with fixed seal connection, 2 upper surface of valve body lower part with valve body piece uploading 1
Matched annular groove 8, valve body piece uploading 1 and valve body lower part 2 are tightly connected by annular protrusion 7 and annular groove 8.
It is further preferred that valve body sealing surface 6 is hard alloy sealing surface structure, using inserted installation, valve seal
The internal diameter in face 6 is greater than the internal diameter of valve body import 4.Annular protrusion 7 and the clamping of annular groove 8, nested encryptions or welding.Annular is prominent
External screw thread is offered on 7 outer wall of portion out, offers internal screw thread on 8 side wall of annular groove；Annular protrusion 7 and annular groove 8 are logical
Cross threaded connection.
Embodiment two
The present embodiment is further improvement made on the basis of example 1, in the present embodiment, annular protrusion 7
Internal screw thread is offered on inner wall, offers external screw thread on 8 side wall of annular groove；Annular protrusion 7 and annular groove 8 pass through screw thread
Connection；8 bottom of annular groove is equipped with gasket.The top of mouth 3 is cylinder-like structure in valve body, and lower part is gradually increased for internal diameter
Horn-like structure.
Changeable type hard alloy sealing surface power station cut-off valve body provided by the utility model not only ensure that power station is cut
The only machining accuracy of valve body sealing surface also solves the checking-valve body for electric power plant being welded to form, and is not easy to repair power station cut-off in the future
The problem of valve body sealing surface；Valve body piece uploading and valve body lower part use installation by adhering simultaneously, good airproof performance and reduce valve body
Volume saves material and occupied area.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (2)
1. a kind of changeable type hard alloy sealing surface power station cut-off valve body, it is characterised in that: including valve body piece uploading and valve body
Lower part offers mouth in valve body among the valve body piece uploading, is respectively arranged with L-shaped valve body import and valve in the valve body lower part
Body outlet, the valve body import, which is located at, inserted at the upper surface of the valve body lower part is equipped with valve body sealing surface；The valve body
Piece uploading bottom is connected with annular protrusion, and valve body lower part upper surface offers recessed with the matched annular of the annular protrusion
Slot, the valve body piece uploading and valve body lower part are tightly connected by annular protrusion and annular groove.
2. changeable type hard alloy sealing surface power station cut-off valve body according to claim 1, it is characterised in that: described
Internal screw thread is offered on annular protrusion inner wall, offers external screw thread on the annular groove side wall；The annular protrusion with
The annular groove is connected through a screw thread；The annular groove bottom is equipped with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821725005.0U CN208831842U (en) | 2018-10-24 | 2018-10-24 | A kind of changeable type hard alloy sealing surface power station cut-off valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821725005.0U CN208831842U (en) | 2018-10-24 | 2018-10-24 | A kind of changeable type hard alloy sealing surface power station cut-off valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831842U true CN208831842U (en) | 2019-05-07 |
Family
ID=66319629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821725005.0U Expired - Fee Related CN208831842U (en) | 2018-10-24 | 2018-10-24 | A kind of changeable type hard alloy sealing surface power station cut-off valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831842U (en) |
-
2018
- 2018-10-24 CN CN201821725005.0U patent/CN208831842U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20211024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |