CN220102142U - Fireproof gas ball valve - Google Patents
Fireproof gas ball valve Download PDFInfo
- Publication number
- CN220102142U CN220102142U CN202321250121.2U CN202321250121U CN220102142U CN 220102142 U CN220102142 U CN 220102142U CN 202321250121 U CN202321250121 U CN 202321250121U CN 220102142 U CN220102142 U CN 220102142U
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- CN
- China
- Prior art keywords
- valve
- sealing ring
- ball
- sealing
- valve body
- 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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- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 15
- 238000009825 accumulation Methods 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims 5
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 8
- 239000000945 filler Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model relates to a fireproof gas ball valve, which comprises sealing rings which are arranged on the upper side and the lower side of the valve ball and made of metal, wherein one side of the sealing rings, which is attached to the valve ball, is provided with an arc surface which is matched with the radian of the valve ball, the arc surface is provided with a sealing ring, the sealing ring is provided with a guide post, an annular groove for installing the sealing ring is arranged in a valve cavity of the valve body, a spring hole is arranged on the annular groove, a guide hole for inserting the guide post is arranged at the bottom of the spring hole, and a compression spring is sleeved on the guide post. Through setting up the sealing ring of metal material, set up valve ball sealing fit's sealing washer on the sealing ring, this sealing ring is connected with the valve body through the spring, when using, the spring can utilize the pressure of spring to compress tightly the sealing ring on the valve ball, improves the leakproofness between sealing ring and the valve ball, under the circumstances that appears high temperature and ignites, the sealing ring is burnt down afterwards, and the sealing ring continues to compress tightly on the valve ball under the effect of elasticity pressure, can reduce leakage quantity even zero leakage, improves ball valve safety in utilization.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a fireproof gas ball valve.
Background
With the development of society, the new energy is widely applied, and fuel gas is a fuel energy source necessary for industry and life, and is used in daily life in popularization for thousands of households. In the installation of gas pipeline, often can be applied to the ball valve to realize adjusting the flow of gas in the pipeline. The traditional ball valve generally comprises a valve body, a ball core and a valve rod, wherein the ball core and the valve rod are arranged in the valve body, the inner end of the valve rod stretches into the valve body and is connected with the ball core, the outer end of the valve rod stretches out of the valve body and is connected with a handle, and the valve rod is driven to rotate through the handle to control the opening and closing of the ball valve.
The existing ball valve seals are basically sealed through a valve ball and a sealing ring (mostly tetrafluoroethylene) on a valve cavity, and the sealing ring is melted after being heated, so that the ball valve has the sealing capacity of picking up, and the condition of medium leakage occurs.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a fireproof gas ball valve.
The technical scheme adopted by the utility model is as follows: the utility model provides a fire prevention gas ball valve, includes the valve body, sets up the valve ball in the valve body, the valve rod of being connected with the valve ball and the operating handle who is connected with the valve rod, still including setting up the sealing ring of being made by the metal in both sides about the valve ball, one side of sealing ring and valve ball laminating has the arcwall face with valve ball radian looks adaptation, be equipped with the sealing washer on the arcwall face, be equipped with the guide post on the sealing ring, be equipped with the ring channel that is used for installing the sealing ring in the valve pocket of valve body, be equipped with the spring hole on the ring channel, spring hole bottom is equipped with the guiding hole that is used for guide post male, the cover has compression spring on the guide post, compression spring one end offsets with the sealing ring, and the other end offsets with the spring hole upper wall.
Further, the guide post and the sealing ring are of an integrated structure.
Further, an opening is formed in the upper end of the valve body, and a valve cover is connected with the opening in a threaded mode.
Further, a sealing element is arranged between the valve cover and the valve body.
Further, the valve rod penetrates through the valve cover and stretches into the valve body to be connected with the valve ball, a packing groove is arranged between the valve rod and the valve body, packing is arranged in the packing groove, and a packing cover is connected to an opening of the packing groove in a threaded mode.
Further, an impurity accumulation groove is formed in one end of the inlet of the valve body, a filter screen is arranged on the right side of the impurity accumulation groove, and a sealing cover is connected to the bottom of the impurity accumulation groove in a sealing mode.
Further, a circle of metal sealing ring is arranged in the side wall of one side of the annular groove far away from the valve ball, and the metal sealing ring is in sealing fit with the sealing ring.
The beneficial effects of the utility model are as follows: according to the utility model, the sealing ring made of metal materials is arranged, the sealing ring matched with the valve ball in a sealing way is arranged on the sealing ring, the sealing ring is connected with the valve body through the spring, when the valve is used, the spring can compress the sealing ring on the valve ball by utilizing the pressure of the spring, the tightness between the sealing ring and the valve ball is improved, and when the valve is ignited at high temperature, the sealing ring is continuously compressed on the valve ball under the action of elastic pressure after the sealing ring is burnt, so that the leakage quantity, even zero leakage, can be reduced, and the use safety of the ball valve is improved.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages.
The utility model will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the seal ring.
Fig. 3 is an enlarged schematic view of fig. 1 at a.
In fig. 1-3: 1. a valve body; 2. a valve ball; 3. a valve stem; 4. an operation handle; 5. a seal ring; 6. an arc surface; 7. a seal ring; 8. a guide post; 9. a valve cavity; 10. an annular groove; 11. a spring hole; 12. a guide hole; 13. a compression spring; 14. an opening; 15. a valve cover; 16. a seal; 17. a filler tank; 18. a filler; 19. a filler cover; 20. an impurity accumulation tank; 21. a filter screen; 22. sealing cover; 23. and (5) a metal sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
The utility model provides a fireproof gas ball valve.
In this embodiment, referring to fig. 1-3, this fire prevention gas ball valve, including valve body 1, the valve ball 2 of setting in the valve body, valve rod 3 and the operating handle 4 of being connected with the valve rod that are connected, still including setting up the sealing ring 5 made by metal in the upper and lower both sides of valve ball, the sealing ring has the arcwall face 6 with valve ball radian looks adaptation with one side that the valve ball laminated, be equipped with sealing washer 7 on the arcwall face, be equipped with guide post 8 on the sealing ring, be equipped with the ring channel 10 that is used for installing the sealing ring in the valve pocket 9 of valve body, be equipped with spring hole 11 on the ring channel, the spring hole bottom is equipped with the guiding hole 12 that is used for the guide post male, the cover has compression spring 13 on the guide post, compression spring one end offsets with the sealing ring, and the other end offsets with the spring hole upper wall.
In the above technical scheme, through setting up the sealing ring of metal material, set up valve ball sealing fit's sealing washer on the sealing ring, this sealing ring is connected with the valve body through the spring, when using, the spring can utilize the pressure of spring to compress tightly the sealing ring on the valve ball, improve the leakproofness between sealing ring and the valve ball, under the circumstances that appears high temperature and ignite, the sealing ring is burnt down after, the sealing ring continues to compress tightly on the valve ball under the effect of elastic pressure, can reduce leakage quantity even zero leakage, improves ball valve safety in utilization.
The specific implementation principle is as follows: under normal conditions, the sealing ring on the sealing ring is tightly pressed on the valve ball under the action of the elasticity of the compression spring, so that the sealing of the ball valve is realized. When high temperature or fire disaster occurs, the sealing ring is melted, and at the moment, the sealing ring is pressed down under the action of the pressing force of the pressing spring, so that the sealing ring is pressed on the valve ball, the tightness is ensured, and the medium leakage is reduced.
The arrangement of the guide holes and the guide columns plays a role in guiding and ensures the perpendicularity of the up-and-down motion of the sealing ring.
Specifically, the guide post and the sealing ring are of an integrated structure; an opening 14 is formed in the upper end of the valve body, and a valve cover 15 is connected with the opening in a threaded manner; a sealing element 16 is arranged between the valve cover and the valve body; the valve rod passes through the valve cover and stretches into the valve body to be connected with the valve ball, be equipped with packing groove 17 between valve rod and the valve body, be equipped with packing 18 in the packing groove, threaded connection has packing cover 19 on the opening of packing groove.
Specifically, an impurity accumulation groove 20 is formed in one end of the inlet of the valve body, a filter screen 21 is arranged on the right side of the impurity accumulation groove, and a sealing cover 22 is connected to the bottom of the impurity accumulation groove in a sealing mode.
The filter screen plays the filtration effect for impurity in the filter medium, filterable impurity accumulation is in impurity accumulation groove, after a period of time, can clear up impurity in the impurity accumulation groove through opening sealed lid.
Specifically, a circle of metal sealing ring is arranged in the side wall of one side of the annular groove far away from the valve ball, and the metal sealing ring 23 is in sealing fit with the sealing ring.
The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.
Claims (7)
1. The utility model provides a fire prevention gas ball valve, includes the valve body, sets up the valve ball in the valve body, the valve rod of being connected with the valve ball and the operating handle of being connected with the valve rod, its characterized in that: still including setting up the sealing ring of both sides by the metal about the valve ball, one side of sealing ring and valve ball laminating has the arcwall face with valve ball radian looks adaptation, be equipped with the sealing washer on the arcwall face, be equipped with the guide post on the sealing ring, be equipped with the ring channel that is used for installing the sealing ring in the valve pocket of valve body, be equipped with the spring hole on the ring channel, the spring hole bottom is equipped with and is used for guide post male guiding hole, the cover has hold-down spring on the guide post, hold-down spring one end offsets with the sealing ring, and the other end offsets with the spring hole upper wall.
2. The fire resistant gas ball valve of claim 1, wherein: the guide post and the sealing ring are of an integrated structure.
3. The fire resistant gas ball valve of claim 1, wherein: the upper end of the valve body is provided with an opening, and the opening is in threaded connection with a valve cover.
4. A fire protection gas ball valve according to claim 3, wherein: and a sealing element is arranged between the valve cover and the valve body.
5. The fire resistant gas ball valve of claim 4, wherein: the valve rod penetrates through the valve cover and stretches into the valve body to be connected with the valve ball, a packing groove is arranged between the valve rod and the valve body, packing is arranged in the packing groove, and a packing cover is connected to an opening of the packing groove in a threaded mode.
6. The fire resistant gas ball valve of claim 4, wherein: an impurity accumulation groove is formed in one end of the inlet of the valve body, a filter screen is arranged on the right side of the impurity accumulation groove, and a sealing cover is connected to the bottom of the impurity accumulation groove in a sealing mode.
7. The fire resistant gas ball valve of claim 1, wherein: a circle of metal sealing ring is arranged in the side wall of one side of the annular groove, which is far away from the valve ball, and the metal sealing ring is in sealing fit with the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250121.2U CN220102142U (en) | 2023-05-23 | 2023-05-23 | Fireproof gas ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250121.2U CN220102142U (en) | 2023-05-23 | 2023-05-23 | Fireproof gas ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102142U true CN220102142U (en) | 2023-11-28 |
Family
ID=88843818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321250121.2U Active CN220102142U (en) | 2023-05-23 | 2023-05-23 | Fireproof gas ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102142U (en) |
-
2023
- 2023-05-23 CN CN202321250121.2U patent/CN220102142U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |