CN218992363U - High-pressure regulating valve with good sealing performance - Google Patents
High-pressure regulating valve with good sealing performance Download PDFInfo
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- CN218992363U CN218992363U CN202223494517.XU CN202223494517U CN218992363U CN 218992363 U CN218992363 U CN 218992363U CN 202223494517 U CN202223494517 U CN 202223494517U CN 218992363 U CN218992363 U CN 218992363U
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- regulating valve
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Abstract
The utility model discloses a high-pressure regulating valve with good sealing performance, which comprises: the high-pressure regulating valve comprises a high-pressure regulating valve body, wherein a valve seat is arranged at the bottom side of the high-pressure regulating valve body, a valve core is connected in a sliding manner in a guide sleeve, a connecting pipe is arranged at the bottom side of the high-pressure regulating valve body, a lower packing gasket is arranged at the top side of the high-pressure regulating valve body, V-shaped tetrafluoropacking is arranged on the lower packing gasket, and an upper packing pressing pad is arranged at the top side of the V-shaped tetrafluoropacking. The high-pressure regulating valve body made of the forged steel A105 has high strength, stable machining performance and high corrosion resistance, meanwhile, the valve core made of the STL alloy is welded with the valve seat in a overlaying mode in a 304-welding mode, the valve core is high in strength and high in corrosion resistance, the service life of the high-pressure regulating valve is greatly prolonged, the field use effect is guaranteed, the valve replacement frequency is reduced, the cost of a customer is reduced, and the tightness of connection between the connecting pipe and the valve seat is greatly improved through the lens gasket arranged between the connecting pipe and the valve seat.
Description
Technical Field
The utility model relates to the technical field of pressure regulating valves, in particular to a high-pressure regulating valve with good sealing performance.
Background
In the field of industrial automation process control, the regulating valve is also called a control valve, and a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by power operation is realized by receiving a control signal output by a regulating control unit. The valve is a control component in a fluid conveying system and has the functions of diversion, interception, regulation, throttling, backflow prevention, diversion or overflow pressure relief and the like.
The valve trim of the traditional angle-type regulating valve is of a top-mounted structure, the valve cover and the valve body are sealed in a self-tightening mode, and the valve trim is high in number of parts, difficult to machine and high in cost. Although the lower mounting structure is partially adopted, only the lens gasket seal is adopted, and the sleeve structure is not adopted. And the valve body of the traditional angle-type regulating valve is cast or forged, is made of carbon steel or stainless steel generally, and is formed by welding and then processing. Because most of the media of the chemical enterprises are strong acid, strong alkali and strong corrosion occasions, the nominal pressure is up to 2500LB (42 MPA) sometimes, most of the nominal pressure of the valve at the present stage in China can only reach 32MPA at most, and valves exceeding 32MPA mostly need to be imported valves, so that the cost of manufacturers using ultra-high pressure regulating valves in China and the difficulty of maintaining and replacing valve parts are increased.
Disclosure of Invention
The utility model aims to provide a high-pressure regulating valve with good sealing performance so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high pressure regulator valve with good tightness, comprising:
the high-pressure regulating valve body, high-pressure regulating valve body bottom side is provided with the disk seat, be provided with the uide bushing in the high-pressure regulating valve body, sliding connection has the case in the uide bushing, case top side fixed mounting has the valve rod, the actuating mechanism of peripheral hardware is installed to valve rod top extension to high-pressure regulating valve body top side, high-pressure regulating valve body bottom side is provided with the takeover, high-pressure regulating valve body top side is located the outside of valve rod and is provided with down the packing liner, be provided with V type tetrafluoro packing on the packing liner down, V type tetrafluoro packing top side is provided with the packing pressure pad, it is provided with the packing clamp plate to go up the packing pressure pad top side.
Preferably, the high-pressure regulating valve body is made of forged steel A105, and the valve core and the valve seat are made of 304 surfacing STL alloy.
Preferably, a lens pad is arranged at the bottom end of the valve seat, and the connecting pipe is communicated with the valve seat through the arranged lens pad.
Preferably, the square flange is fixedly welded on the connecting pipe, and a plurality of first stud bolts are arranged on the square flange.
Preferably, a plurality of first stud one end all threaded connection is in high pressure regulating valve body bottom, threaded connection has first nut on the first stud.
Preferably, a plurality of second stud bolts are arranged on the packing pressing plate, the bottom end of each second stud bolt is in threaded connection with the top side of the high-pressure regulating valve body, and second nuts are in threaded connection with the second stud bolts.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the high-pressure regulating valve is assembled, firstly, the valve core is installed from the lower part of the high-pressure regulating valve body, then, the valve seat is installed, secondly, the first stud bolt is installed in the high-pressure regulating valve body, the connecting pipe is fixed by the first nut when the connecting pipe is installed, and then, the lower filler gasket, the V-shaped tetrafluorofiller, the upper filler pressing gasket, the filler pressing plate, the second stud bolt and the second nut are sequentially installed in the high-pressure regulating valve body;
2. the valve body of the high-pressure regulating valve is made of the forged steel A105, has high strength, stable machining performance and high corrosion resistance, and meanwhile, the valve core and the valve seat made of the STL alloy are also high in strength and high in corrosion resistance, so that the service life of the high-pressure regulating valve is greatly prolonged, the field use effect is ensured, the valve replacement frequency is reduced, the cost of a customer is reduced, and the tightness of connection between a connecting pipe and the valve seat is greatly improved through the lens pad arranged between the connecting pipe and the valve seat.
Drawings
FIG. 1 is a schematic diagram of a high-pressure regulating valve with good tightness in a three-dimensional structure;
FIG. 2 is a cross-sectional side view of the high pressure regulator valve with good sealing performance;
fig. 3 is an enlarged view of a position a in fig. 2 in the high-pressure regulating valve with good sealing performance.
In the figure: 1. a high pressure regulator valve body; 2. a valve seat; 3. a guide sleeve; 4. a valve core; 5. a valve stem; 6. connecting pipe; 7. a square flange; 8. a lens pad; 9. a first stud bolt; 10. a first nut; 11. an underfill cushion; 12. v-type tetrafluoro filler; 13. filling a packing pressing pad; 14. a packing pressing plate; 15. a second stud bolt; 16. and a second nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a high pressure regulator valve with good tightness, comprising:
the high-pressure regulating valve comprises a high-pressure regulating valve body 1, a valve seat 2 is arranged on the bottom side of the high-pressure regulating valve body 1, a guide sleeve 3 is arranged in the high-pressure regulating valve body 1, a valve core 4 is connected in the guide sleeve 3 in a sliding manner, a valve rod 5 is fixedly arranged on the top side of the valve core 4, an execution mechanism arranged outside is arranged on the top side of the valve rod 5, a connecting pipe 6 is arranged on the bottom side of the high-pressure regulating valve body 1, a lower packing gasket 11 is arranged on the outer side of the valve rod 5 on the top side of the high-pressure regulating valve body 1, a V-shaped tetrafluoropacking 12 is arranged on the lower packing gasket 11, an upper packing pressing pad 13 is arranged on the top side of the V-shaped tetrafluoropacking 12, and a packing pressing plate 14 is arranged on the top side of the upper packing pressing pad 13.
The high-pressure regulating valve body 1 is made of forged steel A105, the valve core 4 and the valve seat 2 are made of 304 overlaying welding STL alloy, the high-pressure regulating valve body 1 made of the forged steel A105 is high in strength, stable in machining performance and high in corrosion resistance, meanwhile, the valve core 4 made of 304 overlaying welding STL alloy is high in strength as the valve seat 2, high in corrosion resistance, the service life of the high-pressure regulating valve is greatly prolonged, the field use effect is guaranteed, the valve replacement times are reduced, and the cost of customers is reduced.
The bottom end of the valve seat 2 is provided with the lens pad 8, the connecting pipe 6 is communicated with the valve seat 2 through the lens pad 8, and the lens pad 8 greatly improves the tightness of the connection of the connecting pipe 6 and the valve seat 2.
The equal threaded connection of a plurality of first stud 9 one end is in high pressure control valve body 1 bottom, threaded connection has first nut 10 on the first stud 9, and take over 6 is through square flange 7, first stud 9 and the first nut 10 fixed mounting that sets up at high pressure control valve body 1 bottom side.
The packing pressing plate 14 is provided with a plurality of second stud bolts 15, the bottom ends of the second stud bolts 15 are in threaded connection with the top side of the high-pressure regulating valve body 1, the second double-head screw bolts 15 are in threaded connection with second nuts 16, and the packing pressing plate 14 is pressed on the upper packing pressing pad 13 through the cooperation of the second double-head screw bolts 15 and the second nuts 16, so that the upper packing pressing pad 13 is fixed on the valve rod 5.
Working principle: during assembly, the valve core 4 is firstly arranged from the lower part of the high-pressure regulating valve body 1, the valve seat 2 is arranged, the first stud 9 is arranged in the high-pressure regulating valve body 1, the connecting pipe 6 is fixed by using the first nut 10 after the connecting pipe 6 is arranged, the lower packing gasket 11, the V-shaped tetrafluoropacking 12, the upper packing pressing pad 13 and the packing pressing plate 14 are sequentially arranged in the high-pressure regulating valve body 1, the second stud 15 and the second nut 16 are simple in structure, the maintenance and replacement parts are convenient, the high-pressure regulating valve body 1 made of the forged steel A105 is high in strength, stable in machining performance and high in corrosion resistance, meanwhile, the valve core 4 made of the STL alloy is high in strength as well as the valve seat 2 are high in corrosion resistance, the service life of the high-pressure regulating valve is greatly prolonged, the field use effect is ensured, the number of times of valve replacement is reduced, the cost of customers is reduced, and the sealing performance of connection between the connecting pipe 6 and the valve seat 2 is greatly improved through the lens gasket 8 arranged between the connecting pipe 6 and the valve seat 2.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high pressure regulating valve having good sealing properties, comprising:
high-pressure control valve body (1), high-pressure control valve body (1) downside is provided with disk seat (2), be provided with uide bushing (3) in high-pressure control valve body (1), sliding connection has case (4) in uide bushing (3), case (4) top side fixed mounting has valve rod (5), actuating mechanism of peripheral hardware is installed to valve rod (5) top to high-pressure control valve body (1) top side, high-pressure control valve body (1) downside is provided with takeover (6), high-pressure control valve body (1) top side is located the outside of valve rod (5) and is provided with down packing liner (11), be provided with V type tetrafluoro packing (12) on packing liner (11), V type tetrafluoro packing (12) top side is provided with packing pressure pad (13), packing pressure pad (13) top side is provided with packing clamp plate (14).
2. The high pressure regulating valve with good sealing performance according to claim 1, wherein: the high-pressure regulating valve body (1) is made of forged steel A105, and the valve core (4) and the valve seat (2) are made of 304 surfacing STL alloy.
3. The high pressure regulating valve with good sealing performance according to claim 1, wherein: the bottom end of the valve seat (2) is provided with a lens pad (8), and the connecting pipe (6) is communicated with the valve seat (2) through the lens pad (8).
4. The high pressure regulating valve with good sealing performance according to claim 1, wherein: a square flange (7) is fixedly welded on the connecting pipe (6), and a plurality of first stud bolts (9) are arranged on the square flange (7).
5. The high pressure regulating valve with good sealing performance according to claim 4, wherein: one end of each first stud bolt (9) is in threaded connection with the bottom end of the high-pressure regulating valve body (1), and a first nut (10) is in threaded connection with the first stud bolt (9).
6. The high pressure regulating valve with good sealing performance according to claim 1, wherein: the packing pressing plate (14) is provided with a plurality of second stud bolts (15), the bottom end of each second stud bolt (15) is in threaded connection with the top side of the high-pressure regulating valve body (1), and the second stud bolts (15) are in threaded connection with second nuts (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223494517.XU CN218992363U (en) | 2022-12-27 | 2022-12-27 | High-pressure regulating valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223494517.XU CN218992363U (en) | 2022-12-27 | 2022-12-27 | High-pressure regulating valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218992363U true CN218992363U (en) | 2023-05-09 |
Family
ID=86221266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223494517.XU Active CN218992363U (en) | 2022-12-27 | 2022-12-27 | High-pressure regulating valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218992363U (en) |
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2022
- 2022-12-27 CN CN202223494517.XU patent/CN218992363U/en active Active
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