CN218377878U - Automatic stop valve for over-charging of pipeline gas - Google Patents
Automatic stop valve for over-charging of pipeline gas Download PDFInfo
- Publication number
- CN218377878U CN218377878U CN202222764125.4U CN202222764125U CN218377878U CN 218377878 U CN218377878 U CN 218377878U CN 202222764125 U CN202222764125 U CN 202222764125U CN 218377878 U CN218377878 U CN 218377878U
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- CN
- China
- Prior art keywords
- valve
- helical pitch
- seat
- case
- gas
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses an automatic stop valve of overcharge applied to pipeline gas, including the valve cap, the valve body is connected to the valve cap front end, the valve cap and valve body junction is equipped with the installation cavity, install the case structure in the installation cavity, the installation cavity front end is equipped with the seal groove, the installation cavity communicates with the seal groove, install O type circle in the seal groove; the case structure includes the helical pitch seat, helical pitch seat internally mounted has the case, the helical pitch seat is front end open-ended tubular structure, the rear end of case stretches out the helical pitch seat and is located inside the valve cap, the spring is installed to the rear end of case, the spring is located the helical pitch seat outside. The valve can realize automatic closing under the condition that the airflow is suddenly increased, has high sensitivity, and can avoid the danger caused by accidents such as falling of gas equipment, damage of pipelines and the like.
Description
Technical Field
The utility model relates to a pipeline valve technical field, concretely relates to be applied to automatic stop valve of overcharging of pipeline gas.
Background
The gas valve is a novel safety matching device for gas pipeline engineering; the gas valve is used for cutting off, connecting and regulating gas in a pipeline, and has good control characteristics and closing sealing performance; it is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen. Most of the existing gas valves are manually operated to be closed, and when gas flow in a pipeline is suddenly increased, the gas valves cannot be automatically closed, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to automatic stop valve of overcharging of pipeline gas to solve the problem of mentioning in the background art. In order to achieve the above object, the utility model provides a following technical scheme: the automatic overcharge stop valve applied to pipeline gas comprises a valve cap, wherein the front end of the valve cap is connected with a valve body, a mounting cavity is arranged at the joint of the valve cap and the valve body, a valve core structure is mounted in the mounting cavity, a sealing groove is formed in the front end of the mounting cavity, the mounting cavity is communicated with the sealing groove, and an O-shaped ring is mounted in the sealing groove;
the case structure includes the helical pitch seat, helical pitch seat internally mounted has the case, the helical pitch seat is front end open-ended tubular structure, the rear end of case stretches out the helical pitch seat and is located inside the valve cap, the spring is installed to the rear end of case, the spring is located the helical pitch seat outside.
Preferably, the front end of the valve core is of a spherical umbrella structure and is positioned in the lead seat, the tail of the valve core is provided with a flat limiting block, and the spring is positioned between the lead seat and the limiting block.
Preferably, the rear end of the lead seat is provided with a vent hole.
Preferably, the valve cap and the valve body are provided with connecting screw threads.
The utility model discloses a technological effect and advantage: this valve can realize self-closing under the condition that the air current increases suddenly, and sensitivity is high, can avoid gas equipment to drop, the danger that the pipeline was destroyed the accident caused such as.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an internal cross-sectional view of the present invention.
In the figure: 1. a bonnet; 2. a valve body; 3. a mounting cavity; 4. a sealing groove; 5, O-shaped rings; 6. a lead seat; 7. a valve core; 8. a spring; 9. connecting the screw teeth; 10. a spherical umbrella-shaped structure; 11. and a limiting block.
Detailed Description
In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
As shown in fig. 1 and 2, the automatic overcharge stop valve applied to pipeline gas comprises a valve cap 1, wherein the front end of the valve cap 1 is connected with a valve body 2, a mounting cavity 3 is arranged at the joint of the valve cap 1 and the valve body 2, a valve core structure is arranged in the mounting cavity 3, a sealing groove 4 is arranged at the front end of the mounting cavity 3, the mounting cavity 3 is communicated with the sealing groove 4, and an O-ring 5 is arranged in the sealing groove 4;
the case structure includes lead seat 6, 6 internally mounted of lead seat has case 7, and lead seat 6 is the open-ended tubular structure in front end, and the rear end of case 7 stretches out lead seat 6 and is located inside valve cap 1, and spring 8 is installed to the rear end of case 7, and spring 8 is located lead seat 6 outsidely.
Example 2
As shown in fig. 1 and 2, the automatic overcharge stop valve applied to pipeline fuel gas comprises a valve cap 1, wherein the front end of the valve cap 1 is connected with a valve body 2, connecting screw threads 9 are respectively arranged on the valve cap 1 and the valve body 2, an installation cavity 3 is arranged at the joint of the valve cap 1 and the valve body 2, a valve core structure is installed in the installation cavity 3, a sealing groove 4 is arranged at the front end of the installation cavity 3, the installation cavity 3 is communicated with the sealing groove 4, and an O-shaped ring 5 is installed in the sealing groove 4;
the valve core structure comprises a lead seat 6, a valve core 7 is arranged in the lead seat 6, the lead seat 6 is of a cylindrical structure with an opening at the front end, the rear end of the valve core 7 extends out of the lead seat 6 and is positioned in the valve cap 1, the lead seat 6 supports the valve core 7, a spring 8 is arranged at the rear end of the valve core 7, the spring 8 is positioned outside the lead seat 6, and a vent hole is formed in the rear end of the lead seat 6;
wherein, the front end of the valve core 7 is a spherical umbrella structure 10 and is positioned in the lead seat 6, the tail part of the valve core 7 is provided with a flat limiting block 11, and the spring 8 is positioned between the lead seat 6 and the limiting block 11.
The utility model discloses process flow and theory of operation do: the stop valve is connected in a gas pipeline through a valve cap 1 and a connecting thread 9 on a valve body 2, and gas flows from right to left as shown in figure 2; when gas flow is stable, the spring 8 is compressed, the position of the valve core 7 is fixed through the lead seat 6, and the gas flow passes through the periphery of the spherical umbrella-shaped structure 10 at the end part of the valve core 7; when accidents such as falling of gas equipment, damage of pipelines and the like occur, gas flow is suddenly increased, the spherical umbrella-shaped structure 10 at the end part of the valve core 7 can immediately bear the maximum pressure, the valve core 7 changes the original position and continues to compress the spring 8 to move forwards, and finally the spherical umbrella-shaped structure 10 of the valve core 7 bears pressure and is attached to the O-shaped ring 5 in a sealed mode to block the gas flow.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (4)
1. The utility model provides a be applied to automatic stop valve of overcharge of pipeline gas, includes the valve cap, its characterized in that: the front end of the bonnet is connected with the valve body, a mounting cavity is arranged at the joint of the bonnet and the valve body, a valve core structure is mounted in the mounting cavity, a sealing groove is formed in the front end of the mounting cavity, the mounting cavity is communicated with the sealing groove, and an O-shaped ring is mounted in the sealing groove;
the case structure includes the helical pitch seat, helical pitch seat internally mounted has the case, the helical pitch seat is front end open-ended tubular structure, the rear end of case stretches out the helical pitch seat and is located inside the valve cap, the spring is installed to the rear end of case, the spring is located the helical pitch seat outside.
2. The automatic stop valve for the overcharge of gas in pipelines of claim 1, wherein: the front end of the valve core is of a spherical umbrella-shaped structure and is positioned in the lead seat, the tail of the valve core is provided with a flat limiting block, and the spring is positioned between the lead seat and the limiting block.
3. The automatic stop valve for gas pipeline overfill of claim 2, wherein: the rear end of the lead seat is provided with a vent hole.
4. The automatic stop valve for the overcharge of gas in pipelines of claim 1, wherein: and the valve cap and the valve body are both provided with connecting screw teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222764125.4U CN218377878U (en) | 2022-10-20 | 2022-10-20 | Automatic stop valve for over-charging of pipeline gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222764125.4U CN218377878U (en) | 2022-10-20 | 2022-10-20 | Automatic stop valve for over-charging of pipeline gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218377878U true CN218377878U (en) | 2023-01-24 |
Family
ID=84933150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222764125.4U Active CN218377878U (en) | 2022-10-20 | 2022-10-20 | Automatic stop valve for over-charging of pipeline gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218377878U (en) |
-
2022
- 2022-10-20 CN CN202222764125.4U patent/CN218377878U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231218 Address after: Room 206, Zone A, 2nd Floor, Building 8, No. 215 Chenchun Road, Xinqiao Town, Songjiang District, Shanghai, 201600 Patentee after: SHANGHAI KOFULSOFLEX Co.,Ltd. Address before: 201414 Building 1, 188 Xinghuo Road, Qingcun Town, Fengxian District, Shanghai Patentee before: Shanghai Nanyan Energy Equipment Co.,Ltd. |