CN212960015U - Anti-corrosion spherical check valve - Google Patents
Anti-corrosion spherical check valve Download PDFInfo
- Publication number
- CN212960015U CN212960015U CN202021669880.9U CN202021669880U CN212960015U CN 212960015 U CN212960015 U CN 212960015U CN 202021669880 U CN202021669880 U CN 202021669880U CN 212960015 U CN212960015 U CN 212960015U
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- China
- Prior art keywords
- valve
- fastening flange
- flange
- check valve
- valve body
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an automatic valve technical field just discloses an anticorrosion spherical check valve, which comprises a valve body, flange seamless connection has the body in the bottom of valve body, and the bottom and the body of valve body are linked together, the valve body includes that spheroid, cross-section are the valve gap of arc form and the valve plate that the cross-section is the slope form, spheroidal surface is equipped with one deck epoxy dope layer, the entry interval value that valve body and body are linked together is greater than spheroidal diameter, the flange includes first fastening flange, second fastening flange and third fastening flange, through first fastening flange seamless connection between valve gap and the valve plate. This anticorrosion spherical check valve through be equipped with one deck epoxy coating layer at spheroidal surface, has strengthened spheroidal corrosion resistance, and the spheroid is soaked in aqueous for a long time, can not take place to corrode, can use for a long time, has increased spheroidal life.
Description
Technical Field
The utility model relates to an automatic valve technical field specifically is an anticorrosion ball check valve.
Background
The ball check valve is an automatic valve which is opened when a pipeline system medium flows downstream and closed when the pipeline system medium flows upstream, and mainly has the functions of preventing the medium from flowing back and preventing the pump and the driving machine from reversing, preventing water hammer waves generated when the water pump and the driving motor stop operating suddenly, and reducing the damage to the pipeline system. The check valve can be divided into the following according to the relative displacement mode of the closing member and the valve seat: five major types of lifting, swing, disc, diaphragm and ball check valves. For the check valve, the ball body in the ball check valve is soaked in water for a long time, the corrosion is serious, the long-term use is not facilitated, the service life of the ball body is prolonged, and the problem of preventing the ball body from being corroded is very necessary.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a spherical check valve anticorrosives has solved the current automatic valve that proposes in the above-mentioned background art in the spherical check valve the inside spheroid soak in aqueous for a long time, corrodes seriously, is unfavorable for long-term the use, how to extend spheroidal life, prevents that the spheroid from corroding the problem of very necessary solution.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides an anticorrosion ball check valve, includes the valve body, flange seamless connection has the body in the bottom of valve body, and the bottom and the body of valve body are linked together, the valve body includes that spheroid, cross-section are the valve plate that the arc form was described and the cross-section is slope form, spheroidal surface is equipped with the one deck epoxy dope layer, the entry interval value that valve body and body are linked together is greater than spheroidal diameter, the flange includes first fastening flange, second fastening flange and third fastening flange, through first fastening flange seamless connection between valve gap and the valve plate, through second fastening flange seamless connection between valve gap and the body, through third fastening flange seamless connection between valve plate and the body.
Furthermore, a sealing ring is arranged in the flange and is a flexible rubber sealing ring.
Furthermore, the inner side wall of the valve cover is provided with a depression matched with the ball body.
Further, the spheroid is located the valve body, and is provided with the recess with spheroid looks adaptation on the interior diapire of body.
Furthermore, the outer surfaces of the valve body and the pipe body are both provided with a layer of polyurethane paint.
(III) advantageous effects
The utility model provides a spherical check valve anticorrosives possesses following beneficial effect:
(1) this anticorrosion spherical check valve is equipped with the one deck epoxy coating layer through the surface at the spheroid, has strengthened spheroidal corrosion resistance, and the spheroid is soaked in aqueous for a long time, can not take place to corrode, can use for a long time, has increased spheroidal life.
Drawings
FIG. 1 is a schematic cross-sectional view of the anti-corrosion ball check valve of the present invention;
FIG. 2 is a schematic structural view of a cross-sectional flange of the anti-corrosion ball check valve of the present invention;
FIG. 3 is a schematic structural view of a cross-section of a ball of the anti-corrosion ball check valve of the present invention;
in the figure: the valve comprises a first fastening flange 1, a ball body 2, a second fastening flange 3, a groove 4, a valve body 5, a pipe body 6, a valve cover 7, a valve plate 8, a third fastening flange 9 and a sealing ring 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides a technical solution:
an anti-corrosion spherical check valve comprises a valve body 5, wherein the bottom of the valve body 5 is seamlessly connected with a pipe body 6 through a flange, the bottom of the valve body 5 is communicated with the pipe body 6, the outer surfaces of the valve body 5 and the pipe body 6 are respectively provided with a layer of polyurethane paint, the valve body 5 comprises a ball body 2, a valve cover 7 with an arc-shaped cross section and a valve plate 8 with an inclined cross section, the outer surface of the ball body 2 is provided with a layer of epoxy resin paint layer 201, the distance value of an inlet, communicated with the valve body 5 and the pipe body 6, is larger than the diameter of the ball body 2, the ball body 2 is positioned in the valve body 5, a groove 4 matched with the ball body 2 is formed in the inner bottom wall of the pipe body 6, the flanges comprise a first fastening flange 1, a second fastening flange 3 and a third fastening flange 9, a sealing ring 10 is arranged in the flanges, the sealing, through second fastening flange 3 seamless connection between valve gap 7 and the body 6, the inside wall of valve gap 7 is equipped with the sunken of 2 looks adaptations of spheroid, through 9 seamless connections of third fastening flange between valve plate 8 and the body 6.
The theory of operation, this spherical check valve anticorrosives, earlier put into 5 insides of valve body with spheroid 2 during the use, use first fastening flange 1 fixed valve gap 7, valve body 5 is connected to body 6 and carries out seamless connection through second fastening flange 3 and third fastening flange 9, and when intaking, spheroid 2 floats, stops intaking the back, and spheroid 2 falls down in the recess 4 of looks adaptation.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The anti-corrosion spherical check valve comprises a valve body (5) and is characterized in that the bottom of the valve body (5) is connected with a pipe body (6) in a seamless mode through a flange, the bottom of the valve body (5) is communicated with the pipe body (6), the valve body (5) comprises a sphere (2), a valve cover (7) with an arc-shaped cross section and a valve plate (8) with an inclined cross section, a layer of epoxy resin coating layer (201) is arranged on the outer surface of the sphere (2), the inlet interval value of the valve body (5) communicated with the pipe body (6) is larger than the diameter of the sphere (2), the flange comprises a first fastening flange (1), a second fastening flange (3) and a third fastening flange (9), the valve cover (7) is connected with the valve plate (8) in a seamless mode through the first fastening flange (1), and the valve cover (7) is connected with the pipe body (6) in a seamless mode through the second fastening flange (, the valve plate (8) and the pipe body (6) are connected in a seamless mode through a third fastening flange (9).
2. An anti-corrosion ball check valve according to claim 1, characterized in that a sealing ring (10) is provided in the flange, and the sealing ring (10) is a flexible rubber sealing ring.
3. An anti-corrosion ball check valve according to claim 1, characterized in that the inner side wall of the valve cover (7) is provided with a recess adapted to the ball (2).
4. The anti-corrosion ball check valve according to claim 1, characterized in that the ball (2) is located in the valve body (5), and the inner bottom wall of the tube body (6) is provided with a groove (4) adapted to the ball (2).
5. Anti-corrosion ball check valve according to claim 1, characterized in that the outer surfaces of the valve body (5) and the tube body (6) are provided with a layer of polyurethane paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669880.9U CN212960015U (en) | 2020-08-12 | 2020-08-12 | Anti-corrosion spherical check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669880.9U CN212960015U (en) | 2020-08-12 | 2020-08-12 | Anti-corrosion spherical check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212960015U true CN212960015U (en) | 2021-04-13 |
Family
ID=75351676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021669880.9U Expired - Fee Related CN212960015U (en) | 2020-08-12 | 2020-08-12 | Anti-corrosion spherical check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212960015U (en) |
-
2020
- 2020-08-12 CN CN202021669880.9U patent/CN212960015U/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: 20210413 Termination date: 20210812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |