CN221257740U - Helium dedicated valve - Google Patents
Helium dedicated valve Download PDFInfo
- Publication number
- CN221257740U CN221257740U CN202323467281.5U CN202323467281U CN221257740U CN 221257740 U CN221257740 U CN 221257740U CN 202323467281 U CN202323467281 U CN 202323467281U CN 221257740 U CN221257740 U CN 221257740U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- center shaft
- inverted
- connecting center
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Links
- 239000001307 helium Substances 0.000 title claims abstract description 23
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 23
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 239000013013 elastic material Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a helium special valve, which comprises a valve body, a valve seat and a valve core, wherein compression end covers are arranged at two ends of the valve body; the compression end covers are fixed at two ends of the valve body through independent fasteners, and the valve seat is clamped and positioned with the compression end covers through the valve body; the valve rod of the valve core is connected with a connecting center shaft; the middle connecting shaft sleeve is provided with a pressing ring, and the bottom surface of the pressing ring is clamped into the joint of the middle connecting shaft and the valve body; an inverted V-shaped filler and a sealing oil seal are filled between the connecting center shaft and the valve body, and the inverted V-shaped filler is positioned above the sealing oil seal; the bottom surface of the propping ring is propped against the top surface of the inverted V-shaped packing. The utility model has reasonable structure and arrangement, is provided with independent fasteners, can ensure the strength and stability of connection after connection, is beneficial to improving the strength and preventing the leakage, realizes the sealing between the connecting center shaft and the valve body by matching the inverted V-shaped filler with the sealing oil seal, is beneficial to improving the overall sealing performance, is beneficial to improving the leak-proof stability, and has strong applicability and good practicability.
Description
Technical Field
The utility model belongs to the technical field of helium valves, and particularly relates to a helium dedicated valve.
Background
The helium valve is one of key components on the aerostat, and is mainly used for maintaining helium of an aerostat balloon in a certain pressure range: when the pressure of the air sac is overlarge, the helium valve is opened under the action of the gas pressure, and helium is released; when the helium gas is released by a certain amount, the pressure becomes smaller and the helium valve is closed.
Although the helium valve in the prior art can meet the use requirements of general conditions, the two ends of the helium valve are not provided with reinforced designs, so that the use strength and stability of the whole structure can be affected to a certain extent, and the condition of leakage easily occurs, so that the applicability and the practicability are limited.
Disclosure of Invention
The utility model aims to provide a helium special valve which is reasonable in structural arrangement and beneficial to improving strength.
The technical scheme for realizing the purpose of the utility model is that the helium special valve comprises a valve body, a valve seat and a valve core, wherein compression end covers are arranged at two ends of the valve body;
The compression end covers are fixed at two ends of the valve body through independent fasteners, and the valve seat is clamped and positioned with the compression end covers through the valve body;
A valve rod of the valve core is connected with a connecting center shaft;
The upper part of the connecting center shaft is sleeved with a pressing ring, and the bottom surface of the pressing ring is clamped into the joint of the connecting center shaft and the valve body;
An inverted V-shaped filler and a sealing oil seal are filled between the connecting center shaft and the valve body, and the inverted V-shaped filler is positioned above the sealing oil seal;
The bottom surface of the propping ring is propped against the top surface of the inverted V-shaped filler.
Further preferred are: a lower fixing sleeve is arranged at the joint of the bottom end of the connecting center shaft and the valve body;
a sealing ring is arranged between the connecting center shaft and the valve body;
The sealing ring is positioned between the lower fixed sleeve and the sealing oil seal.
Further preferred are: a control handle is fixed at the upper part of the connecting center shaft;
an upper fixing sleeve is arranged at the joint of the connecting center shaft and the control handle;
The bottom of the upper fixing sleeve is abutted against the top surface of the pressing ring to enable the pressing ring to be positioned.
Further preferred are: the bottom surface integrated into one piece of upper fixed cover has the bulge loop, the bulge loop card is gone into between connecting axis and the butt clamping ring.
Further preferred are: the fastening piece is a fastening bolt.
Further preferred are: the valve seat is an elastic material valve seat.
Further preferred are: the number of the inverted V-shaped fillers is at least three and the inverted V-shaped fillers are stacked in sequence.
The utility model has the positive effects that: the sealing device is reasonable in structural arrangement, is provided with independent fasteners, can ensure the strength and stability of connection after connection, is favorable for improving the strength, is convenient for welding construction, can be repeatedly disassembled and assembled, can achieve the installation position of a factory sealing position, is favorable for preventing the condition of leakage, and simultaneously realizes the sealing between a connecting center shaft and a valve body through the matching of the inverted V-shaped filler and a sealing oil seal, is favorable for improving the integral sealing performance, is favorable for improving the leak-proof stability, and is strong in applicability and good in practicability.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Reference numerals: the valve comprises a valve body 1, a valve seat 2, a valve core 3, a compression end cover 4, a fastener 5, a connecting center shaft 6, a compression ring 7, an inverted V-shaped packing 8, a sealing oil seal 9, a lower fixing sleeve 10, a sealing ring 11, a control handle 12, an upper fixing sleeve 13 and a convex ring 14.
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.
Examples
As shown in fig. 1 to 3, the helium dedicated valve comprises a valve body 1, a valve seat 2 and a valve core 3, wherein compression end covers 4 are arranged at two ends of the valve body; in this embodiment, the valve body and the valve core are both conventional structures in the prior art, and are simply applied, and the valve seat is an elastic material valve seat, so that not only can the tightness of connection be ensured, but also the durability of connection be improved, and the elastic material valve seat can be a rubber valve seat, which is not described in detail, but also the compression end cover is used for connecting an external structure;
In the practical application process, the compression end covers are fixed at two ends of the valve body through independent fasteners 5, and the valve seats are clamped and positioned through the valve body and the compression end covers; in this embodiment, the fastener is a fastening bolt.
A valve rod of the valve core is connected with a connecting center shaft 6; the upper part of the connecting center shaft is sleeved with a pressing ring 7, and the bottom surface of the pressing ring is clamped into the joint of the connecting center shaft and the valve body; an inverted V-shaped filler 8 and a sealing oil seal 9 are filled between the connecting center shaft and the valve body, and the inverted V-shaped filler is positioned above the sealing oil seal; meanwhile, in this embodiment, the number of the inverted V-shaped fillers is at least three and is stacked in sequence. The bottom surface of the propping ring is propped against the top surface of the inverted V-shaped filler. Through the structure, the inverted V-shaped filler can be extruded, so that the tightness of the joint is ensured.
A lower fixing sleeve 10 is arranged at the joint of the bottom end of the connecting center shaft and the valve body; a sealing ring 11 is arranged between the connecting center shaft and the valve body; the sealing ring is positioned between the lower fixed sleeve and the sealing oil seal. Through the structure, the use stability and reliability of the sealing oil seal can be ensured.
A control handle 12 is fixed at the upper part of the connecting center shaft; an upper fixing sleeve 13 is arranged at the joint of the connecting center shaft and the control handle; the bottom of the upper fixing sleeve is abutted against the top surface of the pressing ring to enable the pressing ring to be positioned. The bottom surface integrated into one piece of upper fixed cover has bulge loop 14, the bulge loop card is gone into between connecting axis and the butt clamping ring. In this embodiment, through above-mentioned structure, not only can fix a position the butt clamp ring through last fixed cover, also can guarantee the leakproofness of junction simultaneously.
The utility model has the positive effects that: the sealing device is reasonable in structural arrangement, is provided with independent fasteners, can ensure the strength and stability of connection after connection, is favorable for improving the strength, is convenient for welding construction, can be repeatedly disassembled and assembled, can achieve the installation position of a factory sealing position, is favorable for preventing the condition of leakage, and simultaneously realizes the sealing between a connecting center shaft and a valve body through the matching of the inverted V-shaped filler and a sealing oil seal, is favorable for improving the integral sealing performance, is favorable for improving the leak-proof stability, and is strong in applicability and good in practicability.
The standard components used in this embodiment may be purchased directly from the market, but the nonstandard structural components described in the specification may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that no specific description will be made here.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.
Claims (7)
1. The utility model provides a helium special valve, includes valve body, disk seat and case, its characterized in that: two ends of the valve body are provided with compression end covers;
The compression end covers are fixed at two ends of the valve body through independent fasteners, and the valve seat is clamped and positioned with the compression end covers through the valve body;
A valve rod of the valve core is connected with a connecting center shaft;
The upper part of the connecting center shaft is sleeved with a pressing ring, and the bottom surface of the pressing ring is clamped into the joint of the connecting center shaft and the valve body;
An inverted V-shaped filler and a sealing oil seal are filled between the connecting center shaft and the valve body, and the inverted V-shaped filler is positioned above the sealing oil seal;
The bottom surface of the propping ring is propped against the top surface of the inverted V-shaped filler.
2. A helium specific valve according to claim 1, wherein: a lower fixing sleeve is arranged at the joint of the bottom end of the connecting center shaft and the valve body;
a sealing ring is arranged between the connecting center shaft and the valve body;
The sealing ring is positioned between the lower fixed sleeve and the sealing oil seal.
3. A helium specific valve according to claim 2, wherein: a control handle is fixed at the upper part of the connecting center shaft;
an upper fixing sleeve is arranged at the joint of the connecting center shaft and the control handle;
The bottom of the upper fixing sleeve is abutted against the top surface of the pressing ring to enable the pressing ring to be positioned.
4. A helium specific valve according to claim 3, wherein: the bottom surface integrated into one piece of upper fixed cover has the bulge loop, the bulge loop card is gone into between connecting axis and the butt clamping ring.
5. A helium specific valve according to claim 4, wherein: the fastening piece is a fastening bolt.
6. A helium specific valve according to claim 5, wherein: the valve seat is an elastic material valve seat.
7. A helium specific valve according to claim 6, wherein: the number of the inverted V-shaped fillers is at least three and the inverted V-shaped fillers are stacked in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323467281.5U CN221257740U (en) | 2023-12-19 | 2023-12-19 | Helium dedicated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323467281.5U CN221257740U (en) | 2023-12-19 | 2023-12-19 | Helium dedicated valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221257740U true CN221257740U (en) | 2024-07-02 |
Family
ID=91624983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323467281.5U Active CN221257740U (en) | 2023-12-19 | 2023-12-19 | Helium dedicated valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221257740U (en) |
-
2023
- 2023-12-19 CN CN202323467281.5U patent/CN221257740U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |