CN220706502U - Valve plug sleeve structure with good sealing performance - Google Patents
Valve plug sleeve structure with good sealing performance Download PDFInfo
- Publication number
- CN220706502U CN220706502U CN202321897481.1U CN202321897481U CN220706502U CN 220706502 U CN220706502 U CN 220706502U CN 202321897481 U CN202321897481 U CN 202321897481U CN 220706502 U CN220706502 U CN 220706502U
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- sleeve
- valve plug
- shell
- sealing
- valve
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a valve plug sleeve structure with good sealing performance, which relates to the technical field of valves, and aims at the problems that the existing sleeve regulating valve mostly adopts a hard double-sealing structure, the hard double-sealing structure has higher requirements on processing precision, is not tight in sealing and large in leakage, is not suitable for use occasions with large pressure difference and high temperature, and has certain limitations, the valve plug sleeve structure currently proposes a scheme which comprises a shell, wherein a liquid inlet and a liquid outlet are arranged in the shell, a circular ring and a sleeve are arranged in the shell, the sleeve is tightly attached to the circular ring, a top cover is arranged on the shell through bolts, and the top cover is tightly attached to the sleeve; the valve plug is slidably arranged in the sleeve, and the valve rod is fixedly arranged at the top end of the valve plug. The utility model has reasonable design, high leakage level, better sealing effect, more reliable use, low friction coefficient, long service life of the valve and good use effect, and is worthy of popularization and use.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a valve plug sleeve structure with good sealing performance.
Background
Sleeve regulator valves are a common valve type, also known as sleeve regulator valves or sleeve valves. The device changes the channel size of the fluid by moving the sleeve (or the plunger) up and down, thereby realizing the adjustment of the flow, the pressure or the liquid level. Sleeve-regulating valves generally consist of a valve body, a valve cap, a sleeve, a valve stem, a piston, etc.
However, most of the existing sleeve regulating valves adopt a hard double-sealing structure, the hard double-sealing structure has higher requirements on processing precision, and the sealing is not tight and has large leakage, so that the existing sleeve regulating valves are not suitable for use occasions with large pressure difference and high temperature, and have certain limitations.
Disclosure of Invention
The utility model aims to solve the defects that the existing sleeve regulating valve mostly adopts a hard double-sealing structure, the hard double-sealing structure has higher requirements on processing precision, the sealing is not tight and has large leakage, the valve plug sleeve structure is not suitable for use occasions with large pressure difference and high temperature, and certain limitation exists.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a valve plug sleeve structure with good sealing performance, comprising:
the device comprises a shell, wherein a liquid inlet and a liquid outlet are formed in the shell, a circular ring and a sleeve are arranged in the shell, the sleeve is tightly attached to the circular ring, a top cover is mounted on the shell through bolts, and the top cover is tightly attached to the sleeve;
the valve plug is arranged in the sleeve in a sliding manner, a valve rod is fixedly arranged at the top end of the valve plug, and the valve rod is positioned in the top cover.
In a preferred embodiment, a first sealing gasket is fixedly arranged at the bottom of the top cover, and the first sealing gasket is tightly attached to the edge of the sleeve with the bottom.
In a preferred embodiment, a second sealing gasket is fixedly arranged at the bottom of the circular ring, and the bottom of the second sealing gasket is tightly attached to the inner wall of the shell.
In a preferred embodiment, a third sealing gasket is fixedly arranged at the top of the circular ring, a fourth sealing gasket is fixedly arranged at the bottom of the valve plug, and the third sealing gasket is in contact with the fourth sealing gasket.
In a preferred embodiment, a plurality of through holes are formed in the inner wall of the sleeve, and the through holes are arranged at equal intervals.
According to the valve plug sleeve structure with good sealing performance, when the valve plug sleeve structure is used, liquid enters the shell through the liquid inlet, and the valve plug is jacked up along with the increase of the liquid pressure, so that the liquid enters the liquid outlet through the sleeve by moving the valve plug;
according to the valve plug sleeve structure with good sealing performance, the sealing performance between the top cover and the sleeve is improved through the first sealing gasket, the sealing performance between the circular ring and the shell is improved through the second sealing gasket, the sealing performance between the valve plug and the circular ring is improved through the third sealing gasket and the fourth sealing gasket, and the second sealing gasket, the third sealing gasket and the fourth sealing gasket 12 can effectively play a buffering role in the falling process of the valve plug, so that the service life is prolonged;
the utility model has reasonable design, high leakage level, better sealing effect, more reliable use, low friction coefficient, long service life of the valve and good use effect, and is worthy of popularization and use.
Drawings
FIG. 1 is a schematic cross-sectional view of a plug sleeve structure with improved sealing in accordance with the present utility model;
FIG. 2 is a schematic illustration of a portion A of a plug sleeve structure with improved sealing in accordance with the present utility model;
fig. 3 is a schematic perspective view of a valve plug with a valve plug sleeve structure with good sealing performance according to the present utility model.
In the figure: 1. a housing; 2. a liquid inlet; 3. a liquid outlet; 4. a circular ring; 5. a sleeve; 6. a top cover; 7. a valve plug; 8. a valve stem; 9. a first gasket; 10. a second gasket; 11. a third gasket; 12. and a fourth gasket.
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.
Referring to fig. 1-3, one embodiment of the present solution provides: a valve plug sleeve structure with good sealing performance comprises a shell 1, wherein a liquid inlet 2 and a liquid outlet 3 are arranged in the shell 1, a circular ring 4 and a sleeve 5 are arranged in the shell 1, the sleeve 5 is tightly attached to the circular ring 4, a top cover 6 is arranged on the shell 1 through bolts, and the top cover 6 is tightly attached to the sleeve 5;
the valve plug 7 is arranged in the sleeve 5 in a sliding manner, a valve rod 8 is fixedly arranged at the top end of the valve plug 7, and the valve rod 8 is positioned in the top cover 6.
Referring to fig. 1, in this embodiment, a plurality of through holes are formed on the inner wall of the sleeve 5, and the plurality of through holes are disposed at equal intervals, so as to facilitate the circulation of liquid.
Referring to fig. 1, in the present embodiment, a first sealing pad 9 is fixedly disposed at the bottom of the top cover 6, and the first sealing pad 9 is tightly attached to the edge of the sleeve 5 and the bottom, so as to improve the tightness between the top cover 6 and the housing 1.
Referring to fig. 1, in the present embodiment, a second sealing pad 10 is fixedly disposed at the bottom of the ring 4, and the bottom of the second sealing pad 10 is tightly attached to the inner wall of the housing 1, so as to improve the tightness between the ring 4 and the housing 1.
Referring to fig. 2, in this embodiment, a third sealing pad 11 is fixedly disposed at the top of the ring 4, a fourth sealing pad 12 is fixedly disposed at the bottom of the valve plug 7, the third sealing pad 11 contacts with the fourth sealing pad 12, so that the sealing performance of the valve plug 7 is improved, and meanwhile, the impact between the valve plug 7 and the housing 1 is reduced, which has a negative effect, and the service life is prolonged.
The theory of operation, in liquid gets into casing 1 through inlet 2 when using, along with the increase of liquid pressure valve plug 7 is upwards jacked, in the removal of valve plug 7 makes liquid get into liquid outlet 3 through sleeve 5, through being provided with first sealed 9, the leakproofness between top cap 6 and the sleeve 5 has been increased, the leakproofness between ring 4 and the casing 1 has been improved through being provided with second sealed 10, the leakproofness between valve plug 7 and the ring 4 has been increased through being provided with third sealed 11 and fourth sealed 12, the in-process second sealed 10 of whereabouts of valve plug 7, third sealed 11 and fourth sealed 12 can effectively play the effect of buffering, life has been prolonged.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. A valve plug sleeve structure with good sealing performance, which is characterized by comprising:
the novel liquid-collecting device comprises a shell (1), wherein a liquid inlet (2) and a liquid outlet (3) are formed in the shell (1), a circular ring (4) and a sleeve (5) are arranged in the shell (1), the sleeve (5) is tightly attached to the circular ring (4), a top cover (6) is mounted on the shell (1) through bolts, and the top cover (6) is tightly attached to the sleeve (5);
the valve plug (7) is arranged in the sleeve (5) in a sliding way, the top end of the valve plug (7) is fixedly provided with a valve rod (8), the valve rod (8) is positioned in the top cover (6), the bottom of the top cover (6) is fixedly provided with a first sealing gasket (9), the first sealing gasket (9) is tightly attached to the bottom and the edge of the sleeve (5), the bottom of ring (4) is fixed and is provided with second sealed pad (10), the bottom of second sealed pad (10) with the inner wall of casing (1) closely laminates, the fixed third sealed pad (11) that is provided with in top of ring (4), the fixed fourth sealed pad (12) that is provided with in bottom of valve plug (7), third sealed pad (11) with fourth sealed pad (12) contact.
2. The valve plug sleeve structure with good sealing performance according to claim 1, wherein: the inner wall of the sleeve (5) is provided with a plurality of through holes which are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321897481.1U CN220706502U (en) | 2023-07-19 | 2023-07-19 | Valve plug sleeve structure with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321897481.1U CN220706502U (en) | 2023-07-19 | 2023-07-19 | Valve plug sleeve structure with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706502U true CN220706502U (en) | 2024-04-02 |
Family
ID=90448134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321897481.1U Active CN220706502U (en) | 2023-07-19 | 2023-07-19 | Valve plug sleeve structure with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706502U (en) |
-
2023
- 2023-07-19 CN CN202321897481.1U patent/CN220706502U/en active Active
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