CN213628886U - Portable pressure relief side valve - Google Patents
Portable pressure relief side valve Download PDFInfo
- Publication number
- CN213628886U CN213628886U CN202022089358.XU CN202022089358U CN213628886U CN 213628886 U CN213628886 U CN 213628886U CN 202022089358 U CN202022089358 U CN 202022089358U CN 213628886 U CN213628886 U CN 213628886U
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- valve
- pressure relief
- clack
- broadside
- brake
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Abstract
The utility model discloses a topside valve of light pressure release, include: the valve body is provided with a valve cavity, a valve clack and a brake nut are arranged in the valve cavity, and the valve clack is provided with an inner cavity; the valve rod penetrates through the valve body, penetrates through the braking nut and extends into the inner cavity of the valve clack, wherein two pressure relief holes are formed in the bottom of the valve clack, and the two pressure relief holes are communicated with the bottom of the inner cavity; the lower end of the valve rod is provided with a cylindrical body and an upper sealing inclined surface, the diameter of the cylindrical body is larger than that of the valve rod, and the lower part of the brake nut is provided with a lower sealing inclined surface matched with the upper sealing inclined surface of the cylindrical body. The utility model discloses can satisfy the high pressure topside valve and use in the pipeline medium, adopt the valve clack to set up little pressure release hole, let out in advance and fall the pressure, reliably guarantee the valve and use, improve valve life.
Description
Technical Field
The utility model relates to a topside valve especially relates to a topside valve of light pressure release.
Background
Under the working condition of high pressure, when the side valve is opened, the valve rod moves downwards, the opening torque is large, the phenomena of difficult opening and inflexible blocking are easily generated, the service life of the valve is influenced, and sometimes the valve is easy to damage due to small opening and closing times. In actual pipeline device use, the valve is frequently replaced to meet the use requirement, so that the cost is increased.
Therefore, the utility model provides a can realize the pressure release earlier at valve rod lift in-process and open the topside valve again.
SUMMERY OF THE UTILITY MODEL
The above object of the present invention is achieved by the following technical solutions:
a lightweight pressure relief broadside valve, comprising: the valve body is provided with a valve cavity, a valve clack and a brake nut are arranged in the valve cavity, and the valve clack is provided with an inner cavity; the valve rod penetrates through the valve body, penetrates through the braking nut and extends into the inner cavity of the valve clack, wherein two pressure relief holes are formed in the bottom of the valve clack, and the two pressure relief holes are communicated with the bottom of the inner cavity; the lower end of the valve rod is provided with a cylindrical body and an upper sealing inclined surface, the diameter of the cylindrical body is larger than that of the valve rod, and the lower part of the brake nut is provided with a lower sealing inclined surface matched with the upper sealing inclined surface of the cylindrical body.
The portable pressure relief side valve as described above, wherein the valve flap side edge has an upward valve flap planar sealing surface and the valve body cavity of the valve body is mated with a downward valve body planar sealing surface.
The portable pressure relief side valve as described above, wherein the pressure relief hole is circular in cross section.
The portable pressure relief side port valve as described above, wherein the brake nut is threadably mounted on the valve flap.
The portable pressure relief side valve as described above, further comprising: a brake pad mounted between the valve flap upper surface and the brake nut.
The light pressure relief side valve comprises a valve clack, a brake gasket, a valve plate and a valve plate, wherein the valve plate is provided with a valve hole, the valve hole is arranged in the valve plate, the valve plate is provided with a valve hole, the valve hole is arranged in the valve hole, the valve hole is provided.
The portable pressure relief side port valve as described above, wherein a clearance is provided between the stem and the brake nut.
The portable pressure relief side valve is characterized in that the two pressure relief holes are oppositely formed in the valve clack.
The portable pressure relief side valve is characterized in that the cylindrical body at the lower end of the valve rod is provided with a gap with the inner wall of the inner cavity.
To sum up, owing to adopted above-mentioned technical scheme, the utility model discloses lift the back at the valve rod, the cooperation of upper seal inclined plane and lower seal inclined plane realizes sealedly, and along with the decline of valve rod, sealed opening, clearance, inner chamber and two pressure release hole intercommunications between valve rod and the brake nut realize the pressure release, and the valve rod continues to descend and realizes opening of valve clack. The utility model discloses can satisfy the high pressure topside valve and use in the pipeline medium, adopt the valve clack to set up little pressure release hole, let out in advance and fall the pressure, reliably guarantee the valve and use, improve valve life.
Drawings
FIG. 1 is a schematic view of the closed body of the portable pressure relief side valve of the present invention;
fig. 2 is the structural schematic diagram of the side valve in the open state for light pressure release.
Detailed Description
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of a closed body of the portable pressure relief side valve of the present invention, please refer to fig. 1, a portable pressure relief side valve, comprising: the valve body 1 is provided with a valve cavity 11, a valve clack 2 and a brake nut 4 are arranged in the valve cavity 11, and the valve clack 2 is provided with an inner cavity; the valve rod 3 penetrates through the valve body 1, the valve rod 3 penetrates through the brake nut 4 and extends into the inner cavity of the valve clack 2, wherein two pressure relief holes 202 are formed in the bottom of the valve clack 2, and the two pressure relief holes 202 are communicated with the bottom of the inner cavity; the lower end of the valve rod 3 is provided with a cylindrical body and an upper sealing inclined plane 301, the upper sealing inclined plane 301 is arranged on the upper surface of the cylindrical body, and the diameter of the cylindrical body is larger than that of the valve rod 3; the lower part of the brake nut 4 has a lower sealing bevel 401 matching the upper sealing bevel 301 of the cylinder. The valve rod 3 can make the upper sealing inclined plane 301 and the lower sealing inclined plane 401 mesh after being lifted, sealing is realized, along with the descending of the valve rod 3, the sealing is opened, and the gap, the inner cavity and the two pressure relief holes 202 between the valve rod 3 and the brake nut 4 are communicated, so that pressure relief can be realized. Ensure the normal use of valve, extension valve life.
Furthermore, the side edge of the valve clack 2 is provided with an upward valve clack plane sealing surface 201, and the valve cavity 11 of the valve body 1 is matched with a downward valve body plane sealing surface 101. The structure is a sealing structure of the valve clack 2, when the valve clack 2 is opened, the valve rod 3 rises, the upper sealing inclined plane 301 is firstly matched and sealed with the lower sealing inclined plane 401, and the valve clack 2 and the valve cavity 11 are sealed continuously by lifting. In the sealing state of the valve clack 2, the valve rod 3 descends, the upper sealing inclined plane 301 at the lower end of the valve rod is firstly separated, then the valve rod 3 is abutted against the lower part of the inner cavity, and the opening operation of the valve clack 2 is further realized.
Further, the pressure relief hole 202 has a circular cross section.
Further, a brake nut 4 is screw-mounted on the valve flap 2.
Further, the method also comprises the following steps: and the brake pad 6 is arranged between the upper surface of the valve clack 2 and the brake nut 4.
Further, an upper gasket 7 is arranged between the brake gasket 6 and the brake nut 4, and a lower gasket 5 is arranged between the brake gasket 6 and the upper surface of the valve clack 2.
Further, a gap is formed between the valve rod 3 and the stopper nut 4. Therefore, the circular truncated cone-shaped sealing body can be communicated with the inner cavity and the pressure relief hole 202 to realize pressure relief after the sealing is released.
Further, two pressure relief holes 202 are oppositely arranged on the valve clack 2.
Furthermore, a gap is formed between the cylindrical body and the inner wall of the inner cavity. Circulation can be performed.
The utility model discloses an among the specific implementation process, under the state of figure 1, along with valve rod 3 promotes, the sealed face of valve clack 2 forms seal structure 22 with the sealed face meshing of valve body 1, and the last sealed inclined plane 301 of valve rod lower extreme forms seal structure 21 with the lower sealed inclined plane 401 meshing of brake nut 4 to guarantee that the valve is sealed.
Fig. 2 is the utility model discloses the opening state structure schematic diagram of the broadside valve of light pressure release, please see fig. 2, descend along with valve rod 3, go up sealed inclined plane 301 and brake nut 4's lower sealed inclined plane 401 and throw off in advance, a small amount of mediums flow in valve clack 2 inner chambers along the clearance between valve rod 3 and the brake nut 4 rapidly, by 2 pressure release holes 202 of valve clack in the twinkling of an eye pressure release, make valve clack plane sealing face 201 and valve body plane sealing face 101 throw off the pressure release again, thereby alleviate valve clack 2 opening torque, ensure the normal use of valve, prolong valve life.
The utility model discloses during the valve switch of whole platform assembly, can guarantee when the valve is opened that valve rod 3 downstream is in the twinkling of an eye from the little pressure release hole 202 of valve clack 2 in the twinkling of an eye pressure release and drive valve clack 2 and break away from sealed face and carry out the pressure release, can compress tightly the sub-assembly of upper and lower gasket 5 and brake pad 6 through threaded connection through brake nut 4 and valve clack 2 again, prevent to leak. And the design and the manufacture are simple and convenient, and the working condition use requirements can be met. The service life of the valve is prolonged, and the operation requirement of the side valve is met.
The utility model discloses having got rid of the great this problem of moment that traditional topside valve clack 2 valve was opened under high pressure state, through two pressure release holes 202 of 2 bottom designs of valve clack, when the valve was opened, valve rod 3 moved down earlier, and sealed face breaks away from, by the instantaneous pressure release of pressure release hole 202, drives valve clack 2 again and opens the pressure release to moment lightened when making valve clack 2 open. The upper sealing slope 301 of the lower end of the stem seals simultaneously with the lower sealing slope 401 of the brake nut 4 and the sealing surface 22 of the valve body when closed. Meanwhile, the upper and lower gaskets 5 are used for clamping the brake gasket 6, and the brake nut 4 is connected with the valve clack 2 through threads for compressing, so that no leakage is caused when the valve is closed.
The utility model has the advantages of simple and reasonable structure, the topside valve that can fill various bore high pressure uses in the pipeline medium, and moment lightened purpose when opening of valve can effectively be reached reliably guarantees that the valve uses, improves valve life.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised in accordance with the principles of the present invention by those skilled in the art without the use of inventive faculty, or through software programming. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A lightweight pressure relief broadside valve, comprising: the valve body is provided with a valve cavity, a valve clack and a brake nut are arranged in the valve cavity, and the valve clack is provided with an inner cavity; the valve rod penetrates through the valve body, penetrates through the braking nut and extends into the inner cavity of the valve clack, wherein two pressure relief holes are formed in the bottom of the valve clack, and the two pressure relief holes are communicated with the bottom of the inner cavity; the lower end of the valve rod is provided with a cylindrical body and an upper sealing inclined surface, the diameter of the cylindrical body is larger than that of the valve rod, and the lower part of the brake nut is provided with a lower sealing inclined surface matched with the upper sealing inclined surface of the cylindrical body.
2. The portable pressure relief broadside valve of claim 1, wherein said flap side edge has an upward flap planar sealing surface and said valve cavity of said valve body is adapted to have a downward valve body planar sealing surface.
3. The portable pressure relief broadside valve of claim 1, wherein said pressure relief hole is circular in cross-section.
4. The portable pressure relief broadside valve of claim 1, wherein said brake nut is threadably mounted on said valve flap.
5. The lightweight pressure relieving broadside valve of claim 1, further comprising: a brake pad mounted between the valve flap upper surface and the brake nut.
6. The light pressure relieving broadside valve of claim 5, wherein an upper shim is mounted between said brake pad and said brake nut, and a lower shim is mounted between said brake pad and an upper surface of said valve flap.
7. The portable pressure relief broadside valve of claim 1, wherein said valve stem has a clearance from said brake nut.
8. The portable pressure relief broadside valve of claim 1, wherein said pressure relief holes are oppositely disposed on said flap.
9. The portable pressure relief broadside valve of claim 1, wherein said cylinder at said lower end of said valve stem has a clearance from said inner cavity wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089358.XU CN213628886U (en) | 2020-09-22 | 2020-09-22 | Portable pressure relief side valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089358.XU CN213628886U (en) | 2020-09-22 | 2020-09-22 | Portable pressure relief side valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628886U true CN213628886U (en) | 2021-07-06 |
Family
ID=76652692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022089358.XU Active CN213628886U (en) | 2020-09-22 | 2020-09-22 | Portable pressure relief side valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628886U (en) |
-
2020
- 2020-09-22 CN CN202022089358.XU patent/CN213628886U/en active Active
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