CN214404903U - Corrugated pipe regulating valve - Google Patents
Corrugated pipe regulating valve Download PDFInfo
- Publication number
- CN214404903U CN214404903U CN202022256283.XU CN202022256283U CN214404903U CN 214404903 U CN214404903 U CN 214404903U CN 202022256283 U CN202022256283 U CN 202022256283U CN 214404903 U CN214404903 U CN 214404903U
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- pipe
- valve
- bellows
- connecting pipe
- joint
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Abstract
The utility model discloses a bellows governing valve has the connecting pipe between valve body and the valve gap, installs the case in the valve body, wherein, install bellows subassembly in the connecting pipe, the valve rod passes the valve gap bellows subassembly with the case is fixed, bellows subassembly includes: an upper joint is fixed at one end of the corrugated pipe, a lower joint is fixed at the other end of the corrugated pipe, and the upper joint is arranged in an upper pipe orifice of the connecting pipe; the lower joint is arranged in a lower pipe opening of the connecting pipe; the upper pipe orifice of the connecting pipe is provided with a counter bore, two semicircular supporting rings are oppositely arranged in the counter bore, and the two semicircular supporting rings encircle the upper joint. The utility model discloses a set up two semicircle support rings, after dismantling the valve gap, two semicircle support rings can be taken off to the pulling valve rod, take off takeover, case, valve rod in proper order again, can realize the operation of taking off of bellows subassembly, through the utility model discloses a structure has simplified bellows subassembly's change step.
Description
Technical Field
The utility model relates to a governing valve especially relates to a bellows governing valve.
Background
The regulating valve is a regulating valve with a special structure, namely a corrugated pipe regulating valve. The regulating valve with the structure is suitable for controlling highly toxic, expensive, volatile and radioactive media and is also suitable for vacuum occasions. The bellows assembly for the regulator valve is a vulnerable component and needs to be replaced periodically.
The change process of bellows subassembly is more loaded down with trivial details among the prior art governing valve, and the maintenance duration is longer, the replacement cost is higher, and economic nature is relatively poor.
Therefore, the utility model provides a more convenient governing valve is changed to bellows is dedicated to providing.
SUMMERY OF THE UTILITY MODEL
The above object of the present invention is achieved by the following technical solutions:
a connecting pipe is arranged between a valve body and a valve cover, a valve core is installed in the valve body, a corrugated pipe assembly is installed in the connecting pipe, a valve rod penetrates through the valve cover, the corrugated pipe assembly is fixed with the valve core, and the corrugated pipe assembly comprises: an upper joint is fixed at one end of the corrugated pipe, a lower joint is fixed at the other end of the corrugated pipe, and the upper joint is arranged in an upper pipe orifice of the connecting pipe; the lower joint is arranged in a lower pipe opening of the connecting pipe; the upper pipe orifice of the connecting pipe is provided with a counter bore, two semicircular supporting rings are oppositely arranged in the counter bore, and the two semicircular supporting rings encircle the upper joint.
The bellows regulating valve as described above, wherein the upper joint includes: the lower part of the upper pipe is fixed with the corrugated pipe, and the upper part of the upper pipe is provided with an annular bulge; the upper pipe is encircled by the two semicircular supporting rings.
The corrugated pipe regulating valve is characterized in that a cylindrical pin is arranged at the lower part of the lower joint, and the valve core is in threaded connection with the cylindrical pin.
The bellows adjusting valve as described above, wherein the lower joint has an outer hexagon, and the lower nozzle of the connecting pipe is configured as an inner hexagon in a matching manner.
To sum up, owing to adopted above-mentioned technical scheme, the utility model provides an among the prior art bellows dismantle the difficult problem, through setting up two semicircle support rings, after dismantling the valve gap, two semicircle support rings can be taken off to the pulling valve rod, take off in proper order again and take off takeover, case, valve rod, can realize taking off operation of bellows subassembly, through the utility model discloses a structure has simplified the change step of bellows subassembly.
Drawings
Fig. 1 is a schematic structural view of a bellows regulating valve according to the present invention;
fig. 2 is a partial enlarged view of the bellows control valve of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples:
fig. 1 is the structural schematic diagram of the bellows adjusting valve of the present invention, fig. 2 is the partial enlarged view of the bellows adjusting valve of the present invention, please refer to fig. 1 and fig. 2, a bellows 3 adjusting valve, a connecting pipe 4 is provided between the valve body 10 and the valve cover, a valve core 7 is installed in the valve body 10, a valve seat 9 is provided in the valve body 10, wherein, a bellows 3 assembly is installed in the connecting pipe 4, the valve rod passes the valve cover, the bellows 3 assembly is fixed with the valve core 7, the bellows 3 assembly includes: an upper joint 1 is fixed at one end of the corrugated pipe 3, a lower joint 5 is fixed at the other end of the corrugated pipe 3, and the upper joint 1 is arranged in an upper pipe orifice of the connecting pipe 4; the lower joint 5 is arranged in a lower pipe opening of the connecting pipe 4; the pipe orifice on the connecting pipe 4 is provided with a counter bore, two semi-circle support rings 2 are oppositely arranged in the counter bore, the upper joint 1 is encircled by the two semi-circle support rings 2, and due to the valve cover, the upper joint 1 can be fixed on the upper part of the connecting pipe 4 by the two semi-circle support rings 2 after installation.
Specifically, the counter bore for placing the semicircular support ring 2 can be used as a deeper counter bore, and on the basis, a shallower counter bore is formed for placing the sealing ring.
The utility model discloses a two semicircle support ring 2 excircles with take over the cooperation of the deep counter bore in inner chamber upper portion, 2 interior circles of two semicircle support rings and 3 subassembly top connections 1 excircles of bellows cooperate.
Specifically, the lower joint 5 of the corrugated pipe 3 is welded to the corrugated pipe 3, and the upper joint 1 of the corrugated pipe 3 is welded to the corrugated pipe 3. The entire bellows 3 assembly can be passed through the inner lumen of the nipple.
Specifically, the lower part of the inner cavity of the connecting pipe is in a hexagon socket shape, and the upper part of the inner cavity of the connecting pipe is in a round shape
Further, the upper joint 1 includes: the lower part of the upper pipe is fixed with the corrugated pipe 3, and the upper part of the upper pipe is provided with an annular bulge; the two semicircular supporting rings 2 encircle the upper pipe.
Furthermore, the lower part of the lower joint 5 is provided with a cylindrical pin 6, and the valve core 7 is in threaded connection with the cylindrical pin 6.
Further, the lower joint 5 has an outer hexagon, and the lower pipe opening of the connecting pipe 4 is matched with an inner hexagon.
The utility model discloses an among the concrete implementation process, 3 subassemblies of bellows are simplified and are changed the flow as follows:
1. firstly, disassembling parts above the connecting pipe assembly;
2. stretching the valve rod until the double semicircular support rings 2 can be taken out;
3. taking out the double semicircular support rings 2;
4. lifting the connecting pipe upwards and moving out the connecting pipe;
5. lifting the valve stem upwards, removing the valve core 7 from the interior of the sleeve 8, together with the bellows 3 assembly and the valve stem;
6. removing the cylindrical pin 6 connecting the valve core 7 and the corrugated pipe 3 assembly, and screwing out the valve core 7 from the corrugated pipe 3 assembly;
7. the valve stem is unscrewed from the inside of the bellows 3.
Through the utility model discloses the change flow of 3 subassemblies of bellows can be simplified to the technique.
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 (4)
1. The utility model provides a bellows governing valve, has the connecting pipe between valve body and the valve gap, installs the case in the valve body, its characterized in that, install the bellows subassembly in the connecting pipe, the valve rod passes the valve gap the bellows subassembly with the case is fixed, the bellows subassembly includes: an upper joint is fixed at one end of the corrugated pipe, a lower joint is fixed at the other end of the corrugated pipe, and the upper joint is arranged in an upper pipe orifice of the connecting pipe; the lower joint is arranged in a lower pipe opening of the connecting pipe; the upper pipe orifice of the connecting pipe is provided with a counter bore, two semicircular supporting rings are oppositely arranged in the counter bore, and the two semicircular supporting rings encircle the upper joint.
2. The bellows regulating valve of claim 1, wherein the upper fitting comprises: the lower part of the upper pipe is fixed with the corrugated pipe, and the upper part of the upper pipe is provided with an annular bulge; the upper pipe is encircled by the two semicircular supporting rings.
3. The bellows regulating valve of claim 1 wherein said lower fitting has a cylindrical pin at a lower portion thereof, said spool being threadably coupled to said cylindrical pin.
4. The bellows control valve of claim 1 wherein the lower fitting has an outer hex and the lower orifice of the connecting tube is matingly configured as an inner hex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022256283.XU CN214404903U (en) | 2020-10-12 | 2020-10-12 | Corrugated pipe regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022256283.XU CN214404903U (en) | 2020-10-12 | 2020-10-12 | Corrugated pipe regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404903U true CN214404903U (en) | 2021-10-15 |
Family
ID=78018275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022256283.XU Active CN214404903U (en) | 2020-10-12 | 2020-10-12 | Corrugated pipe regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404903U (en) |
-
2020
- 2020-10-12 CN CN202022256283.XU patent/CN214404903U/en active Active
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| GR01 | Patent grant |