CN206409667U - A kind of soft seal fixing ball valve - Google Patents
A kind of soft seal fixing ball valve Download PDFInfo
- Publication number
- CN206409667U CN206409667U CN201720067433.8U CN201720067433U CN206409667U CN 206409667 U CN206409667 U CN 206409667U CN 201720067433 U CN201720067433 U CN 201720067433U CN 206409667 U CN206409667 U CN 206409667U
- Authority
- CN
- China
- Prior art keywords
- valve
- spheroid
- rod
- valve rod
- metal seat
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 31
- 210000003660 reticulum Anatomy 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The utility model provides a kind of soft seal fixing ball valve, including valve body, bonnet, metal seat valve, stuffing box, valve rod, the bonnet has two, described two bonnets are respectively fixedly connected with the both sides of valve body, the inside of the valve body is provided with spheroid, the metal seat valve has two, described two metal seat valves are respectively arranged between spheroid and two bonnets and energy transverse shifting, the stuffing box is fixedly connected on the top of valve body, the stuffing box offers valve rod hole vertically, the valve rod passes through the top that spheroid is pressed on after valve rod hole, the valve rod can be moved up and down in valve rod hole, soft valve seat is additionally provided between each metal seat valve and spheroid, each soft valve seat is brought into close contact with spheroid.Sealing property of the present utility model preferably, can be used for high-pressure gas medium operating mode, and dismounting is simpler, and maintenance cost is relatively low.
Description
Technical field
The utility model is related to a kind of ball valve, more particularly to a kind of soft seal fixing ball valve.
Background technology
With the economic recovery and the growth of a new round in the whole world, people are further lifted to the demand of the energy, natural gas
And the Important Project such as oil exploitation will all have new layout.Natural gas and oil pipeline industry all will further be sent out therewith
Exhibition, for natural gas and oil pipeline in terms of ball valve consumption it is increasing, while client also gets over for the requirement of ball valve
Come higher, particularly the direction of heavy caliber, high pressure and increasingly automated network management, in this case existing ball valve
Sealing property is not ideal enough, is performed poor when for high-pressure gas medium, and dismounting is comparatively laborious, and maintenance cost is higher.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of soft seal fixing ball valve, and its sealing property is preferable, energy
For high-pressure gas medium operating mode, and dismounting is simpler, and maintenance cost is relatively low.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of soft seal fixing ball valve, including valve body, bonnet, metal seat valve, stuffing box, valve rod,
The bonnet has two, and described two bonnets are respectively fixedly connected with the both sides of valve body,
The inside of the valve body is provided with spheroid,
The metal seat valve has two, and described two metal seat valves are respectively arranged between spheroid and two bonnets and can be horizontal
To movement,
The stuffing box is fixedly connected on the top of valve body, and the stuffing box offers valve rod hole vertically, and the valve rod is worn
Cross after valve rod hole and be pressed on the top of spheroid, the valve rod can be moved up and down in valve rod hole,
Soft valve seat is additionally provided between each metal seat valve and spheroid, each soft valve seat is brought into close contact with spheroid.
Preferably, each soft valve seat described in the utility model is made up of high elastic rubber.
Further, it is arranged with graphite packing on each metal seat valve described in the utility model.
Further, O-ring one, each metal valve are equipped between valve body described in the utility model and each bonnet
O-ring two is arranged with seat, O-ring three is provided between the stuffing box and valve body, O is provided between the valve rod and stuffing box
Type circle four.
Further, seating spring is transversely provided between each metal seat valve and adjacent bonnet described in the utility model,
Each seating spring is in compressive state.
Further, each metal seat valve described in the utility model is provided with grease pouring valve and check-valves, and the valve rod is provided with note
Fuel tap.
Preferably, valve rod described in the utility model includes the body of rod and end, and the body of rod is located above end and mutually interconnected
Connect, the cross-sectional area of the end is more than the cross-sectional area of valve rod hole, when the body of rod of valve rod rises to pre- spacing in valve rod hole
From when, the filled case in end of valve rod is blocked.
Therefore, compared with prior art, the utility model has the advantages that：
1）Soft valve seat in the utility model is made up of high elastic rubber, with good elastic compensating, with spheroid table
Face is brought into close contact to form sealing, therefore with reliable, steady, efficient sealing property, meanwhile, there is slight damage in spherome surface
When soft valve seat still may insure sealing, therefore integrated ball valve has extraordinary sealing property, can be used for high-pressure gas medium
Operating mode；
2）Lumen of the present utility model is designed using releasing pressure automatically, if being trapped in the liquid medium of ball valve lumen due to temperature
Degree is raised and vaporized, when causing the rise of lumen pressure anomaly, and the medium in lumen can promote metal by the active force of itself
Valve seat and releasing pressure automatically, so that it is guaranteed that the safety of integrated ball valve and production flow line；
3）The utility model overall structure is simple, and dismounting is simpler, and maintenance cost is relatively low.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Do not constitute to it is of the present utility model it is improper limit, in the accompanying drawings：
Fig. 1 is structural representation of the present utility model.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, herein signal of the present utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended as limiting of the present utility model.
It is as shown in Figure 1 a kind of embodiment of soft seal fixing ball valve described in the utility model, including valve body 3, bonnet
1st, metal seat valve 12, stuffing box 16, valve rod 17, bonnet 1 have two, and two bonnets 1 are respectively fixedly connected with the both sides of valve body 3,
The inside of valve body 3 is provided with spheroid 4, and metal seat valve 12 has two, and two metal seat valves 12 are respectively arranged at spheroid 4 and two bonnets
Between 1 and can transverse shifting, stuffing box 16 is fixedly connected on the top of valve body, and stuffing box 16 offers valve rod hole, valve rod vertically
17 pass through the top that spheroid 4 is pressed on after valve rod hole, and valve rod 17 can be moved up and down in valve rod hole, each metal seat valve 12 and spheroid
Soft valve seat 8 is additionally provided between 4, each soft valve seat 8 is brought into close contact with spheroid 4.
Preferably, in the present embodiment, each soft valve seat 8 is made up of high elastic rubber.
Further, in the present embodiment, graphite packing 2 is arranged with each metal seat valve 12, graphite packing 2 can be carried
For good fire protecting performance.
Further, in the present embodiment, O-ring 1, each metal seat valve are equipped between valve body 3 and each bonnet 1
O-ring 2 11 is arranged with 12, O-ring 3 18 is provided between stuffing box 16 and valve body 3, is set between valve rod 17 and stuffing box 16
There is O-ring 4 14.O-ring 1, O-ring 2 11, O-ring 3 18, O-ring 4 14 can further improve sealing property.
Further, in the present embodiment, it is transversely provided with seating spring between each metal seat valve 12 and adjacent bonnet 1
7, each seating spring 7 is in compressive state.Initial pretightning force sealing is provided in the seating spring 7 of compressive state, when experience fire
When, after soft valve seat, O-ring 2 11 fail, by seating spring 7 metal seat valve 12 can be promoted to be fitted with spheroid 4, metal seat valve 12
Sealing function is realized together with graphite packing 2, the leakage of medium can be prevented effectively from, sealing property is further improved.
Further, in the present embodiment, each metal seat valve 12 is provided with grease pouring valve 10 and check-valves 9, and valve rod 17 is provided with
Fuel feeding valve 15.Grease pouring valve 10, check-valves 9, fuel feeding valve 15 can in case of emergency provide temporarily sealing, while ensuring safe
Gained time for follow-up work.
Preferably, in the present embodiment, valve rod 17 includes the body of rod 19 and end 20, and the body of rod 19 is located at the top of end 20 and phase
Connect, the cross-sectional area of end 20 is more than the cross-sectional area of valve rod hole, when the body of rod 19 of valve rod 17 rises in valve rod hole
During preset distance, the filled case 16 in end 20 of valve rod 17 is blocked.In the case that valve pocket boosts, valve rod 17 also can guarantee that
It will not fly out so that product complies fully with the anti-blow safety requirements of valve rod.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (7)
1. a kind of soft seal fixing ball valve, it is characterised in that：Including valve body, bonnet, metal seat valve, stuffing box, valve rod,
The bonnet has two, and described two bonnets are respectively fixedly connected with the both sides of valve body,
The inside of the valve body is provided with spheroid,
The metal seat valve has two, and described two metal seat valves are respectively arranged between spheroid and two bonnets and can laterally moved
It is dynamic,
The stuffing box is fixedly connected on the top of valve body, and the stuffing box offers valve rod hole vertically, and the valve rod passes through valve
The top of spheroid is pressed on after rod aperture, the valve rod can be moved up and down in valve rod hole,
Soft valve seat is additionally provided between each metal seat valve and spheroid, each soft valve seat is brought into close contact with spheroid.
2. a kind of soft seal fixing ball valve according to claim 1, it is characterised in that：Each soft valve seat is by high resiliency
Rubber is made.
3. a kind of soft seal fixing ball valve according to claim 2, it is characterised in that：Covered on each metal seat valve
Provided with graphite packing.
4. a kind of soft seal fixing ball valve according to claim 2, it is characterised in that：Between the valve body and each bonnet
It is equipped with O-ring one, each metal seat valve and is arranged with O-ring two, O-ring is provided between the stuffing box and valve body
Three, O-ring four is provided between the valve rod and stuffing box.
5. a kind of soft seal fixing ball valve according to Claims 2 or 3 or 4, it is characterised in that：Each metal seat valve
Seating spring is transversely provided between adjacent bonnet, each seating spring is in compressive state.
6. a kind of soft seal fixing ball valve according to claim 2, it is characterised in that：Each metal seat valve is provided with note
Fat valve and check-valves, the valve rod are provided with fuel feeding valve.
7. a kind of soft seal fixing ball valve according to claim 2, it is characterised in that：The valve rod includes the body of rod and end
Portion, the body of rod is located above end and is connected with each other, and the cross-sectional area of the end is more than the cross-sectional area of valve rod hole, works as valve
When the body of rod of bar rises to preset distance in valve rod hole, the filled case in end of valve rod is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067433.8U CN206409667U (en) | 2017-01-19 | 2017-01-19 | A kind of soft seal fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067433.8U CN206409667U (en) | 2017-01-19 | 2017-01-19 | A kind of soft seal fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409667U true CN206409667U (en) | 2017-08-15 |
Family
ID=59557307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720067433.8U Expired - Fee Related CN206409667U (en) | 2017-01-19 | 2017-01-19 | A kind of soft seal fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928704A (en) * | 2017-12-04 | 2018-04-20 | 飞依诺科技(苏州)有限公司 | A kind of ultrasonic scanning detection device |
-
2017
- 2017-01-19 CN CN201720067433.8U patent/CN206409667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928704A (en) * | 2017-12-04 | 2018-04-20 | 飞依诺科技(苏州)有限公司 | A kind of ultrasonic scanning detection device |
| CN107928704B (en) * | 2017-12-04 | 2024-05-07 | 飞依诺科技股份有限公司 | Ultrasonic scanning detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 |