CN216201087U - Low-loss regulating valve packing structure - Google Patents
Low-loss regulating valve packing structure Download PDFInfo
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- CN216201087U CN216201087U CN202122803291.6U CN202122803291U CN216201087U CN 216201087 U CN216201087 U CN 216201087U CN 202122803291 U CN202122803291 U CN 202122803291U CN 216201087 U CN216201087 U CN 216201087U
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Abstract
The utility model discloses a low-loss regulating valve packing structure which comprises a first packing pad, a first tetrafluoro pad, a first flooding plug ring, a spacer ring and a pressing sleeve, wherein the first packing pad is tightly attached to the inner bottom surface of a packing hole, the first tetrafluoro pad is tightly attached to the top end surface of the first packing pad, the first flooding plug ring is tightly attached to the top end surface of the first tetrafluoro pad, the spacer ring is tightly attached to the top end surface of the first flooding plug ring, a second flooding plug ring is tightly attached to the top end surface of the spacer ring, a second tetrafluoro pad is tightly attached to the top end surface of the second flooding plug ring, a second packing pad is tightly attached to the top end surface of the second tetrafluoro pad, and the pressing sleeve is tightly attached to the top end surface of the second packing pad. In the structure, the sealing performance of the filling part of the regulating valve is improved by combining the flooding plug ring I, the flooding plug ring II and the O-shaped ring, and meanwhile, the structure can bear negative pressure as well as internal positive pressure, so that the regulating valve is wider in application range, lower in cost and better in sealing effect.
Description
Technical Field
The utility model particularly relates to the technical field of valves, and particularly relates to a low-dissipation regulating valve packing structure.
Background
In the current industrial production control, the application of the regulating valve is very wide, the flow rate, the pressure and the like of a pipeline can be regulated, and the structure of the regulating valve is changed continuously according to the requirement, so that a low-dissipation regulating valve packing structure is needed to be provided, the torque of the valve is reduced, and the service life and the sealing performance of the packing are improved.
SUMMERY OF THE UTILITY MODEL
Therefore, the present invention provides a low-dissipation regulating valve packing structure to solve the above problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low loss governing valve filler structure, its includes that packing pad one, tetrafluoro fill up one, general stopper ring one, space ring and pressure cover, packing pad one is hugged closely and is set up on the interior bottom surface of filler hole, hug closely on the top face of packing pad one and be provided with tetrafluoro fill up one, hug closely on the top face of tetrafluoro fill up one and be provided with general stopper ring one, hug closely on the top face of general stopper ring one and be provided with the space ring, hug closely on the top face of space ring and be provided with general stopper ring two, hug closely on the top face of general stopper ring two and be provided with tetrafluoro fill up two, hug closely on the top face of tetrafluoro pad two and be provided with packing pad two, hug closely on the top face of packing pad two and be provided with the pressure cover, just the top of pressure cover is higher than the top of filler hole.
Further, preferably, the inner side wall and the outer side wall of the space ring are provided with a plurality of annular grooves, and an O-shaped ring is arranged in each annular groove in a matching manner.
Further, preferably, the stopper ring I and the stopper ring II are symmetrically arranged with respect to the spacer.
Further, preferably, the first tetrafluoro pad and the second tetrafluoro pad are symmetrically provided with respect to the space ring.
By adopting the technology, compared with the prior art, the utility model has the following beneficial effects: in the structure, the sealing performance of the filling part of the regulating valve is improved by combining the flooding plug ring I, the flooding plug ring II and the O-shaped ring, and meanwhile, the structure can bear negative pressure as well as internal positive pressure, so that the regulating valve is wider in application range, lower in cost and better in sealing effect.
Drawings
FIG. 1 is a first schematic view of the installation of a low-dissipation regulating valve packing structure;
FIG. 2 is a second schematic view of the installation of a low-dissipation regulating valve packing structure.
In the figure: 1. filling a first filler; 2. a first PTFE pad; 3. a universal plug ring I; 4. a space ring; 5. an O-shaped ring; 6. pressing the sleeve; 7. a universal plug ring II; 8. a second tetrafluoro pad; 9. and a second filler pad.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example (b): referring to fig. 1, the present invention provides a technical solution: a low-loss regulating valve packing structure comprises a packing pad I1, a PTFE pad I2, a plunger ring I3, a spacer ring 4 and a pressing sleeve 6, wherein the packing pad I1 is tightly attached to the inner bottom surface of a packing hole, the PTFE pad I2 is tightly attached to the top end surface of the packing pad I1, the plunger ring I3 is tightly attached to the top end surface of the PTFE pad I2, the spacer ring 4 is tightly attached to the top end surface of the plunger ring I3, a plunger ring II 7 is tightly attached to the top end surface of the spacer ring 4, a PTFE pad II 8 is tightly attached to the top end surface of the plunger ring II 7, a packing pad II 9 is tightly attached to the top end surface of the PTFE pad II 8, the pressing sleeve 6 is tightly attached to the top end surface of the packing pad II 9, and the top end of the pressing sleeve 6 is higher than the top end of the packing hole;
specifically, the first filler pad 1 and the second filler pad 9 have the following functions: the upper part of the packing is supported, so that the gap between the valve rod and the lower part of the packing hole is compensated, the processing difficulty of the packing box is reduced, the stress of the packing is uniform, and the sealing performance of the packing is improved;
the first tetrafluoro pad 2 and the second tetrafluoro pad 8 have the following functions: the stress opening direction corresponding to the universal piston ring is provided, a certain sealing performance can be generated when the universal piston ring is pressed, and simultaneously, the tetrafluoro compound has a certain self-lubricating capacity and is helpful for reducing the torque of the valve rod;
the function of the plunger ring I3 and the plunger ring II 7 is as follows: the spring of the flooding plug ring is contacted with the corresponding tetrafluoro cushion to prevent the leakage of the middle gas;
function of the space ring 4: the filler is uniformly pressed, and meanwhile, the inner O-shaped ring and the outer O-shaped ring are further prevented from leaking;
the function of the pressing sleeve 6 is as follows: and pressing the filler below to enable the filler to have a sealing effect.
In this embodiment, the inner and outer side walls of the spacer 4 are provided with a plurality of annular grooves, and an O-ring 5 is disposed in each annular groove in a matching manner.
Further, please refer to fig. 2, according to the sealing requirement, two groups of tetrafluoro pads and the flooding piston ring can be installed back to back, so that the valve packing can be bidirectionally prevented from leaking, the packing can be prevented from leaking outwards, and the packing can be installed downwards at the same time, so that the sealing effect of the valve packing is better due to multiple sealing.
In this embodiment, the jamming ring I3 and the jamming ring II 7 are symmetrically arranged about the spacing ring 4.
In this embodiment, the ptfe pad 2 and the ptfe pad 8 are symmetrically disposed about the spacer 4.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a low ease governing valve packing structure, its includes packing pad (1), tetrafluoro pad (2), general stopper ring (3), spacer ring (4) and pressure cover (6), its characterized in that: the packing device is characterized in that a first packing pad (1) is tightly attached to the inner bottom surface of a packing hole, a first tetrafluoro pad (2) is tightly attached to the top end surface of the first packing pad (1), a first flooding plunger ring (3) is tightly attached to the top end surface of the first tetrafluoro pad (2), a second tetrafluoro pad (8) is tightly attached to the top end surface of the first flooding plunger ring (3), a second packing pad (9) is tightly attached to the top end surface of the second flooding plunger ring (8), a pressing sleeve (6) is tightly attached to the top end surface of the second packing pad (9), and the top end of the pressing sleeve (6) is higher than the top end of the packing hole.
2. The low-emission control valve packing structure of claim 1, wherein: the inner side wall and the outer side wall of the space ring (4) are provided with a plurality of annular grooves, and each annular groove is internally provided with an O-shaped ring (5) in a matching manner.
3. The low-emission control valve packing structure of claim 2, wherein: the plunger ring I (3) and the plunger ring II (7) are symmetrically arranged relative to the space ring (4).
4. The low-emission control valve packing structure of claim 3, wherein: the PTFE pad I (2) and the PTFE pad II (8) are symmetrically arranged relative to the space ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122803291.6U CN216201087U (en) | 2021-11-16 | 2021-11-16 | Low-loss regulating valve packing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122803291.6U CN216201087U (en) | 2021-11-16 | 2021-11-16 | Low-loss regulating valve packing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201087U true CN216201087U (en) | 2022-04-05 |
Family
ID=80911106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122803291.6U Active CN216201087U (en) | 2021-11-16 | 2021-11-16 | Low-loss regulating valve packing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201087U (en) |
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2021
- 2021-11-16 CN CN202122803291.6U patent/CN216201087U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 224141 Nanyang Town Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Exxon (Jiangsu) Fluid Control System Co.,Ltd. Address before: 224141 Nanyang Town Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee before: Yiai Xi (Jiangsu) pipeline control system Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |