CN219809431U - Gas ball valve - Google Patents
Gas ball valve Download PDFInfo
- Publication number
- CN219809431U CN219809431U CN202320978649.5U CN202320978649U CN219809431U CN 219809431 U CN219809431 U CN 219809431U CN 202320978649 U CN202320978649 U CN 202320978649U CN 219809431 U CN219809431 U CN 219809431U
- Authority
- CN
- China
- Prior art keywords
- valve body
- ball valve
- gas
- switch
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 49
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 27
- 239000002737 fuel gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to the technical field of gas equipment, in particular to a gas ball valve; including being spherical gas valve body, gas valve body comprises left valve body, main valve body and right valve body, and wherein left valve body and right valve body both sides still are connected with the pipeline, main valve body upper end is connected with handle switch, and the inner wall is provided with the ball valve switch of being connected with handle switch, be provided with a set of engaging lug on the circumference on the left valve body, the corresponding position department also is provided with the engaging lug on the right valve body, connects through the connecting rod between the engaging lug about, and the connecting rod both ends are provided with the screw thread to through fastening nut with the both ends fixed connection of connecting rod on the engaging lug, the junction of left valve body and main valve body still is provided with sealing washer, and the junction of right valve body and main valve body also is provided with sealing washer. The utility model uses a split structure to divide the gas ball valve into three parts, and the gas ball valve is tightly connected through the fastener, thereby facilitating the subsequent maintenance and replacement of the internal ball valve or gasket and prolonging the service life.
Description
Technical Field
The utility model relates to the technical field of gas equipment, in particular to a gas ball valve.
Background
The gas ball valve is a valve which uses a ball body with a circular channel as an opening and closing piece and realizes opening and closing actions by the rotation of the ball body along with a valve rod. The device is suitable for frequent operation, rapid and light in opening and closing, small in fluid resistance, simple in structure, small in relative volume, light in weight, convenient to maintain, good in sealing performance, free of limitation of the installation direction, free of vibration and small in noise, and the flow direction of a medium can be random. The valve is used for cutting off, connecting and regulating the gas in the 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, oxygen, etc. The classification gas valve has wide application and various types, and the classification method is more. The general categories can be divided into two broad categories: first kind automatic valve: a valve which is self-operated by the capability of the gas itself. Such as check valves, regulating valves, pressure relief valves, etc. Second type of driving valve: the valve is operated by manual, electric or pneumatic operation. Such as gate valves, shut-off valves, throttle valves, butterfly valves, ball valves, plug valves, etc.; the existing gas ball valve is generally formed by integral casting, and is cast into a three-way piece and then is provided with other structural parts, and after the gas ball valve is used for a long time, the internal ball valve or a gasket is damaged due to reserved particles, so that the ball valve loses a sealing function, and after the ball valve is damaged, the integral gas ball valve is not easy to maintain and replace, and the waste cost is reduced.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a gas ball valve uses split type structure to divide into three parts with gas ball valve to through fastener zonulae occludens, convenient follow-up maintenance and replacement to inside ball valve or packing ring improves life.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gas ball valve, is spherical gas valve body including being, gas valve body comprises left valve body, main valve body and right valve body, and wherein left valve body and right valve body both sides still are connected with the pipeline, main valve body upper end is connected with handle switch, and the inner wall is provided with the ball valve switch of being connected with handle switch, be provided with a set of engaging lug on the circumference on the left valve body, corresponding position department also is provided with the engaging lug on the right valve body, connects through the connecting rod between the engaging lug about, and the connecting rod both ends are provided with the screw thread to through fastening nut with the both ends fixed connection of connecting rod on the engaging lug, the junction of left valve body and main valve body still is provided with sealing washer, and the junction of right valve body and main valve body also is provided with sealing washer.
Further, the inner wall of the left valve body and the inner wall of the main valve body are also provided with O-shaped sealing rings, wherein the left end of each O-shaped sealing ring is in plane fit with the inner wall of the left valve body, the right end of each O-shaped sealing ring is in arc-shaped surface fit with a ball valve switch, and a gap is reserved between each O-shaped sealing ring and each sealing washer.
Further, the inner wall of the right valve body and the inner wall of the main valve body are also provided with O-shaped sealing rings, wherein the right end of each O-shaped sealing ring is in plane fit with the inner wall of the right valve body, the left end of each O-shaped sealing ring is in arc-shaped surface fit with a ball valve switch, and a gap is reserved between each O-shaped sealing ring and each sealing gasket.
Further, still be provided with seal assembly between handle switch and the ball valve switch, seal assembly includes shutoff head, spring and shutoff piece, and the shutoff piece rotates to be connected on the ball valve switch, and shutoff piece upper end is connected with the spring with handle switch, and the shutoff head sets up the upper end at handle switch.
Furthermore, connecting threads are further arranged on the inner wall and the outer edge of the pipeline.
Furthermore, the sealing gasket is made of polytetrafluoroethylene.
The beneficial effects of the utility model are as follows: 1) According to the utility model, the connecting rods penetrate through the connecting lugs on the left side and the right side, the left valve body and the right valve body are tightly fixed on the central main valve body through the actions of the inner gasket, the outer gasket and the connecting rods, the spherical valve body can be decomposed into three parts through loosening the connecting rods, the replacement and maintenance of the internal ball valve switch and the gaskets are convenient, and the structure is simple and the use is convenient.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is a cross-sectional view taken along direction a in fig. 2.
In the figure: 1. a gas valve body; 2. a left valve body; 3. a main valve body; 4. a right valve body; 5. a pipe; 6. a handle switch; 7. a ball valve switch; 8. a connecting lug; 9. a connecting rod; 10. a fastening nut; 11. a sealing gasket; 12. an O-shaped sealing ring; 13. a seal assembly; 14. a blocking head; 15. a spring; 16. and (5) plugging the end cap.
Description of the embodiments
The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.
Examples: as shown in the figure, the gas ball valve comprises a spherical gas valve body 1, wherein the gas valve body 1 consists of a left valve body 2, a main valve body 3 and a right valve body 4, two sides of the left valve body 2 and the right valve body 4 are also connected with a pipeline 5, the upper end of the main valve body 3 is connected with a handle switch 6, the inner wall of the main valve body is provided with a ball valve switch 7 connected with the handle switch 6, the left valve body 2 is circumferentially provided with a group of connecting lugs 8, the right valve body 4 is also provided with the connecting lugs 8 at the corresponding positions, the left and right connecting lugs 8 are connected through connecting rods 9, the two ends of the connecting rods 9 are provided with threads, the two ends of the connecting rods 9 are fixedly connected to the connecting lugs 8 through fastening nuts 10, the joint of the left valve body 2 and the main valve body 3 is also provided with a sealing gasket 11, the joint of the right valve body 4 and the main valve body 3 is also detachably connected with the left valve body 2 and the right valve body 4, the gas ball valve 7 or the internal gasket is conveniently taken out, the gas ball valve 7 can be conveniently installed, the later-type ball valve is conveniently or the ball valve is conveniently maintained or replaced, the service life of the gas ball valve is not can be directly improved, and the service life cost of the gas ball valve can be saved.
The inner wall of the left valve body 2 and the inner wall of the main valve body 3 are further provided with O-shaped sealing rings 12, wherein the left end of each O-shaped sealing ring 12 is in plane fit with the inner wall of the left valve body 2, the right end of each O-shaped sealing ring 12 is in arc-shaped surface fit with the ball valve switch 7, a certain distance is reserved between each O-shaped sealing ring 12 and each sealing washer 11, internal fuel gas can be effectively prevented from directly leaking into the external environment through the corresponding gasket, particularly after the internal O-shaped sealing rings 12 leak fuel gas, the fuel gas leaks into the space of the main valve body 3, particularly the outside of the ball valve switch 7, and the fuel gas can be reintroduced into the pipeline 5 along with the rotation of the ball valve switch 7 in the inner wall of the main valve body 3, so that the sealing effect is improved.
The inner wall of the right valve body 4 and the inner wall of the main valve body 3 are also provided with O-shaped sealing rings 12, wherein the right end of each O-shaped sealing ring 12 is in plane fit with the inner wall of the right valve body 4, the left end is in arc-shaped surface fit with the ball valve switch 7, and a space is reserved between each O-shaped sealing ring 12 and the sealing gasket 11. As described above, when the external sealing gasket 11 leaks, the sealing gasket 11 can be re-compressed to be re-sealed by adjusting the tightness of the connecting rod 9.
Still be provided with seal assembly 13 between handle switch 6 and the ball valve switch 7, seal assembly 13 includes shutoff head 14, spring 15 and shutoff piece 16, and shutoff piece 16 rotates to be connected on ball valve switch 7, and shutoff piece 16 upper end is connected with spring 15 with handle switch 6, and shutoff head 14 sets up the upper end at handle switch 6, blocks gas in shutoff piece 16 or shutoff head 14 department through seal assembly 13, prevents that it from continuing outwards leaking through ball valve switch 7 or handle switch 6 department.
Connecting threads are further arranged on the inner wall and the outer edge of the pipeline 5, so that the pipeline is conveniently in sealing connection with external threads or internal threads of the pipeline 5, and the application scene of the interface is improved.
The sealing gasket 11 is made of polytetrafluoroethylene and made of a corrosion-resistant material, so that the service life of the gas ball valve can be prolonged.
According to the utility model, the connecting rods penetrate through the connecting lugs on the left side and the right side, the left valve body and the right valve body are tightly fixed on the central main valve body through the actions of the inner gasket, the outer gasket and the connecting rods, the spherical valve body can be decomposed into three parts through loosening the connecting rods, the replacement and maintenance of the internal ball valve switch and the gaskets are convenient, and the structure is simple and the use is convenient.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (6)
1. A gas ball valve, characterized in that: including being spherical gas valve body, gas valve body comprises left valve body, main valve body and right valve body, and wherein left valve body and right valve body both sides still are connected with the pipeline, main valve body upper end is connected with handle switch, and the inner wall is provided with the ball valve switch of being connected with handle switch, be provided with a set of engaging lug on the circumference on the left valve body, the corresponding position department also is provided with the engaging lug on the right valve body, connects through the connecting rod between the engaging lug about, and the connecting rod both ends are provided with the screw thread to through fastening nut with the both ends fixed connection of connecting rod on the engaging lug, the junction of left valve body and main valve body still is provided with sealing washer, and the junction of right valve body and main valve body also is provided with sealing washer.
2. The gas ball valve of claim 1, wherein: the inner wall of the left valve body and the inner wall of the main valve body are also provided with O-shaped sealing rings, wherein the left end of each O-shaped sealing ring is in plane fit with the inner wall of the left valve body, the right end of each O-shaped sealing ring is in arc-shaped surface fit with a ball valve switch, and a gap is reserved between each O-shaped sealing ring and each sealing gasket.
3. The gas ball valve of claim 1, wherein: the right valve body inner wall and the inner wall of the main valve body are also provided with O-shaped sealing rings, wherein the right end of each O-shaped sealing ring is a plane which is attached to the right valve body inner wall, the left end of each O-shaped sealing ring is an arc surface which is attached to a ball valve switch, and a space is reserved between each O-shaped sealing ring and each sealing gasket.
4. The gas ball valve of claim 1, wherein: still be provided with seal assembly between handle switch and the ball valve switch, seal assembly includes shutoff head, spring and shutoff piece, and the shutoff piece rotates to be connected on the ball valve switch, and shutoff piece upper end is connected with the spring with handle switch, and the shutoff head sets up the upper end at handle switch.
5. The gas ball valve of claim 1, wherein: connecting threads are further arranged on the inner wall and the outer edge of the pipeline.
6. The gas ball valve of claim 1, wherein: the sealing gasket is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320978649.5U CN219809431U (en) | 2023-04-26 | 2023-04-26 | Gas ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320978649.5U CN219809431U (en) | 2023-04-26 | 2023-04-26 | Gas ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809431U true CN219809431U (en) | 2023-10-10 |
Family
ID=88213529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320978649.5U Active CN219809431U (en) | 2023-04-26 | 2023-04-26 | Gas ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809431U (en) |
-
2023
- 2023-04-26 CN CN202320978649.5U patent/CN219809431U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |