CN208519258U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN208519258U CN208519258U CN201821234386.2U CN201821234386U CN208519258U CN 208519258 U CN208519258 U CN 208519258U CN 201821234386 U CN201821234386 U CN 201821234386U CN 208519258 U CN208519258 U CN 208519258U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball valve
- core
- valve body
- ball
- 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
Landscapes
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of ball valves comprising a core, a main valve body and two auxiliary valve bodies being oppositely arranged.Two auxiliary valve bodies are removably attachable to the both ends of main valve body, and two surround an accommodating space between auxiliary valve body and main valve body, core is located in accommodating space, and the access opening for the runner that one is used to form ball valve is equipped in core.The cleaning entrance and washing outlet of both ends perforation are respectively equipped on main valve body.When ball valve is closed, access opening is connected with cleaning entrance, washing outlet；When ball valve is opened, access opening is isolated with cleaning entrance, washing outlet.Utilize cleaning entrance, washing outlet structure, it can be when ball valve be in close state, it is passed through the access opening of high pressure gas cleaning core into cleaning entrance and is discharged by washing outlet, so that impurity or viscous medium be avoided to accumulate in access opening, guarantees the circulation effect of access opening.
Description
Technical field
The utility model relates to a kind of ball valves.
Background technique
Ball valve is as a kind of pipeline control switch, widely industries such as petroleum, chemical industry, natural gas, electric power.Existing common ball
When valve is applied to the pipeline with granule foreign or viscous medium, impurity or viscous medium in pipeline are in static shape in pipeline
It is easily condensed in the recirculation hole of core when state, causes circulation hole plug, influence the circulation effect of pipeline.
Utility model content
The technical problems to be solved in the utility model be in order to overcome the susceptible to plugging defect of core in ball valve in the prior art,
A kind of ball valve is provided.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of ball valve a comprising core, a main valve body and two auxiliary valve bodies being oppositely arranged, two auxiliary valve bodies can
The both ends of the main valve body are releasably connected to, an accommodating space, institute are surrounded between two auxiliary valve bodies and the main valve body
It states core position in the accommodating space, the access opening for the runner that one is used to form the ball valve is equipped in the core, it is special
Point is: the cleaning entrance and washing outlet of both ends perforation are respectively equipped on the main valve body；
When the ball valve is closed, the access opening is connected with the cleaning entrance, the washing outlet；
When the ball valve is opened, the access opening is isolated with the cleaning entrance, the washing outlet.
Preferably, the ball valve further includes inlet flange, the inlet flange is fixed on the main valve body, the entrance method
Blue inner hole is connected with the cleaning entrance.
It is connected in the present solution, being easy to clean entrance using inlet flange with external cleaning pipeline.
Preferably, the ball valve further includes outlet(discharge) flange, the outlet(discharge) flange is fixed on the main valve body, the outlet method
Blue inner hole is connected with the washing outlet.
In the present solution, being easy to for washing outlet being connected with external discharge tube using outlet(discharge) flange.
Preferably, the core further includes two groups of valve components being oppositely arranged, valve component described in two groups is respectively arranged on
Between two auxiliary valve bodies and the core, the valve component includes valve seat and disc spring, and the valve seat presses on the ball
Core, the disc spring press between the valve seat and the auxiliary valve body.
In the present solution, disc spring presses valve seat, so that two valve seats are mutually sealed with the two sides of core respectively, to guarantee to manage
Liquid or gas in road are only capable of being flowed by the runner in ball valve.
Preferably in the outer rim of the disc spring presses on the valve seat, and the inner edge of the disc spring presses on the auxiliary valve body.
Preferably, the disc spring and the valve seat, the auxiliary valve body form a cavity, it is provided on the inner wall of the auxiliary valve body
Diversion trench, the cavity are connected by the diversion trench with the outside of the cavity.
In the present solution, diversion trench can by cavity granule foreign or viscous medium discharge cavity outside, to avoid
Impurity or viscous medium influence the flexible deformation of disc spring.
Preferably, the ball valve further include:
Valve rod, the valve rod are rotatably inserted into the main valve body, and the end of the valve rod is connected to the ball
The top of core；
Stuffing box, the stuffing box are sheathed on the valve rod, the lower part of the stuffing box be connected to the valve rod with it is described
Between main valve body, the stuffing box is bolted to the main valve body.
In the present solution, stuffing box can play the role of radial positioning to valve rod.
Preferably, having a groove at the top of the stuffing box and the joint surface of the valve rod, it is equipped in the groove
One filler；
The ball valve further includes a filler pressing sleeve flange, and the filler pressing sleeve flange sleeve is set to the valve rod, the filler
Pressing sleeve flange presses on the filler and is bolted to the stuffing box.
In the present solution, filler can either reduce the frictional resistance between valve rod and stuffing box, but can prevent impurity into
Enter in the gap between valve rod and stuffing box.
Preferably, the valve rod is equipped with the shaft shoulder close to one end of the core, the ball valve further includes thrust ring, along described
On the axis direction of valve rod, the two sides of the thrust ring are connected to the lower part of the shaft shoulder and the stuffing box respectively.
In the present solution, thrust ring is abutted against and can be limited to the axial position of valve rod with the shaft shoulder, while reducing valve
Frictional force when bar rotates.
Preferably, the ball valve further includes a bearing, the bearing is between the valve rod and the stuffing box.
In the present solution, bearing further increases the radial position accuracies of valve rod, and reduce the rotation friction of valve rod.
Preferably, the bearing is oil-free sliding bearing, the inner wall of the bearing is equipped with fibrous layer.
In the present solution, oil-free sliding bearing have self-lubricating effect, it is easy to use.The material is soft for fibrous layer, both resistance to height
Temperature can prevent from scratching the outer peripheral surface of valve rod again.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with
Good example.
The positive effect of the utility model is:
Using cleaning entrance, washing outlet structure, height can be passed through into cleaning entrance when ball valve is in close state
The access opening of body of calming the anger cleaning core is simultaneously discharged by washing outlet, so that impurity or viscous medium is avoided to accumulate in access opening,
Guarantee the circulation effect of access opening.
Detailed description of the invention
Fig. 1 is that ball valve faces diagrammatic cross-section in the preferred embodiment in the utility model.
Fig. 2 is the front view of ball valve in the preferred embodiment in the utility model.
Fig. 3 is the left view partial cutaway schematic of ball valve in the preferred embodiment in the utility model, and wherein dotted line indicates internal
Structure.
Fig. 4 is the enlarged drawing of part A in Fig. 1.
Fig. 5 is the enlarged drawing of part B in Fig. 1.
Fig. 6 is the enlarged drawing of C portion in Fig. 1.
Description of symbols:
Core 10
Access opening 11
Main valve body 20
Clean entrance 21
Washing outlet 22
Auxiliary valve body 30
Cavity 31
Diversion trench 32
Inlet flange 41
Outlet(discharge) flange 42
Valve component 50
Valve seat 51
Disc spring 52
Valve rod 60
The shaft shoulder 61
Stuffing box 70
Groove 71
Filler 72
Pressing sleeve flange 80
Thrust ring 90
Bearing 100
Specific embodiment
The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model
Among the embodiment described range.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Fig. 1-Fig. 3 shows a kind of ball valve comprising a core 10, a main valve body 20, valve rod 60, stuffing box 70, opposite
Two auxiliary valve bodies 30, inlet flange 41 and the outlet(discharge) flange 42 being arranged.Two auxiliary valve bodies 30 are removably attachable to main valve body 20
Both ends, an accommodating space is surrounded between two auxiliary valve bodies 30 and main valve body 20, core 10 is located in accommodating space, in core 10
The access opening 11 for the runner for being used to form ball valve equipped with one.The cleaning entrance 21 of both ends perforation and clear is respectively equipped on main valve body 20
Mouth 22 is washed out, inlet flange 41 is fixed on main valve body 20, and the inner hole of inlet flange 41 is connected with cleaning entrance 21, outlet(discharge) flange
42 are fixed on main valve body 20, and the inner hole of outlet(discharge) flange 42 is connected with washing outlet 22.
Valve rod 60 is rotatably inserted into main valve body 20, and the end of valve rod 60 is connected to the top of core 10.Filler
Case 70 is sheathed on valve rod 60, and the lower part of stuffing box 70 is connected between valve rod 60 and main valve body 20, and stuffing box 70 is connected by bolt
It is connected to main valve body 20.It is able to drive core 10 by the rotation of valve rod 60 to rotate, to change the closure or openness of ball valve inner flow passage
State.Stuffing box 70 can play the role of radial positioning to valve rod 60.
In the present embodiment, inlet flange 41 is connected with external cleaning pipeline, outlet(discharge) flange 42 and external discharge
Pipeline is connected.When ball valve is closed, access opening 11 is connected with cleaning entrance 21, washing outlet 22, at this time external cleaning
The high pressure gas that pipeline can be passed through high pressure gas to clean the access opening 11 of core 10, after cleaning into the access opening 11 of core 10
Body is discharged into external cleaning pipeline via washing outlet 22, so that impurity or viscous medium be avoided to accumulate in access opening 11, protects
Demonstrate,prove the circulation effect of access opening 11.When ball valve is opened, access opening 11 is isolated with cleaning entrance 21, washing outlet 22.At this point,
The discharge tube of external cleaning pipeline, outside and the runner of ball valve are mutually isolated, avoid external cleaning pipeline internal medium mixed
Enter the runner of ball valve, and prevent the medium in the runner of ball valve flow into outside discharge tube.
As shown in figure 4, core 10 further includes two groups of valve components 50 being oppositely arranged, two groups of valve components 50 are respectively arranged on
Between two auxiliary valve bodies 30 and core 10, valve component 50 includes valve seat 51 and disc spring 52, and valve seat 51 presses on core 10, disc spring
52 press between valve seat 51 and auxiliary valve body 30.The outer rim of disc spring 52 presses on valve seat 51, and the inner edge of disc spring 52 presses on secondary valve
Body 30.
Two disc springs 52 press two valve seats 51 respectively, so that two valve seats 51 are mutually sealed with the two sides of core 10 respectively,
To guarantee that liquid or gas in pipeline are only capable of being flowed by the runner in ball valve, dielectric leakage in pipeline is prevented.
Disc spring 52 and valve seat 51, auxiliary valve body 30 form a cavity 31, and the medium in pipeline is difficult after entering above-mentioned cavity 31
It is flowed out out of cavity 31, therefore granule foreign or viscous medium can gradually fill up cavity 31, so that the elasticity for influencing disc spring 52 becomes
Shape, and then influence the sealing effect of valve seat 51.To solve the above problems, being provided with diversion trench 32, cavity on the inner wall of auxiliary valve body 30
31 are connected by diversion trench 32 with the outside of cavity 31.
As shown in figure 5, having a groove 71 at the top of stuffing box 70 and the joint surface of valve rod 60, one is equipped in groove 71
Filler 72.Ball valve further includes a filler pressing sleeve flange 80, and filler pressing sleeve flange 80 is sheathed on valve rod 60, and filler pressing sleeve flange 80 is pressed
It is pressed on filler 72 and is bolted to stuffing box 70.Filler 72 can either reduce the friction between valve rod 60 and stuffing box 70
Resistance, and impurity can be prevented to enter in the gap between valve rod 60 and stuffing box 70.In the present embodiment, the material of filler 72 is
Graphite.
When being passed through liquid in pipeline, core 10 will receive a buoyancy straight up, push core 10, valve rod 60 to
Upper movement.For limit core 10, valve rod 60 vertical position, as shown in fig. 6, valve rod 60 close to one end of core 10 be equipped with the shaft shoulder
61, ball valve further includes thrust ring 90, and along the axis direction of valve rod 60, the two sides of thrust ring 90 are connected to the shaft shoulder 61 respectively and fill out
The lower part of hopper 70.Thrust ring 90 is abutted against with the shaft shoulder 61 and can either be limited to the axial position of valve rod 60, while can
Reduce frictional force when valve rod 60 rotates.
In addition, ball valve further includes a bearing 100, bearing 100 is between valve rod 60 and stuffing box 70.Bearing 100 is nothing
The inner wall of cunning dynamic bearing 100, bearing 100 is equipped with fibrous layer.Bearing 100 further increases the radial position accuracies of valve rod 60,
And reduce the rotation friction of valve rod 60.Oil-free sliding bearing 100 has self-lubricating effect, easy to use.Fibrous layer material compared with
It is soft, not only high temperature resistant but also can prevent scratch valve rod 60 outer peripheral surface.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the protection scope of the utility model.
Claims (11)
1. a kind of ball valve comprising a core, a main valve body and two auxiliary valve bodies being oppositely arranged, two auxiliary valve bodies are removable
It is connected to the both ends of the main valve body with unloading, an accommodating space is surrounded between two auxiliary valve bodies and the main valve body, it is described
Core position in the accommodating space, is equipped with the access opening for the runner that one is used to form the ball valve, feature in the core
It is: is respectively equipped with the cleaning entrance and washing outlet of both ends perforation on the main valve body；
When the ball valve is closed, the access opening is connected with the cleaning entrance, the washing outlet；
When the ball valve is opened, the access opening is isolated with the cleaning entrance, the washing outlet.
2. ball valve as described in claim 1, which is characterized in that the ball valve further includes inlet flange, and the inlet flange is solid
Due to the main valve body, the inner hole of the inlet flange is connected with the cleaning entrance.
3. ball valve as described in claim 1, which is characterized in that the ball valve further includes outlet(discharge) flange, and the outlet(discharge) flange is solid
Due to the main valve body, the inner hole of the outlet(discharge) flange is connected with the washing outlet.
4. ball valve as described in claim 1, which is characterized in that the core further includes two groups of valve components being oppositely arranged,
Valve component described in two groups is respectively arranged between two auxiliary valve bodies and the core, and the valve component includes valve seat and dish
Spring, the valve seat press on the core, and the disc spring presses between the valve seat and the auxiliary valve body.
5. ball valve as claimed in claim 4, which is characterized in that the outer rim of the disc spring presses on the valve seat, the disc spring
Inner edge press on the auxiliary valve body.
6. ball valve as claimed in claim 5, which is characterized in that the disc spring and the valve seat, the auxiliary valve body are formed
Chamber is provided with diversion trench on the inner wall of the auxiliary valve body, and the cavity is connected by the diversion trench with the outside of the cavity.
7. ball valve as described in claim 1, which is characterized in that the ball valve further include:
Valve rod, the valve rod are rotatably inserted into the main valve body, and the end of the valve rod is connected to the core
Top；
Stuffing box, the stuffing box are sheathed on the valve rod, and the lower part of the stuffing box is connected to the valve rod and the main valve
Between body, the stuffing box is bolted to the main valve body.
8. ball valve as claimed in claim 7, which is characterized in that have at the top of the stuffing box and the joint surface of the valve rod
There is a groove, is equipped with a filler in the groove；
The ball valve further includes a filler pressing sleeve flange, and the filler pressing sleeve flange sleeve is set to the valve rod, the filler pressing sleeve
Flange presses on the filler and is bolted to the stuffing box.
9. ball valve as claimed in claim 7, which is characterized in that the valve rod is equipped with the shaft shoulder, institute close to one end of the core
Stating ball valve further includes thrust ring, and along the axis direction of the valve rod, the two sides of the thrust ring are connected to the shaft shoulder respectively
With the lower part of the stuffing box.
10. ball valve as claimed in claim 7, which is characterized in that the ball valve further includes a bearing, and the bearing is located at described
Between valve rod and the stuffing box.
11. ball valve as claimed in claim 10, which is characterized in that the bearing be oil-free sliding bearing, the bearing it is interior
Wall is equipped with fibrous layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234386.2U CN208519258U (en) | 2018-08-01 | 2018-08-01 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234386.2U CN208519258U (en) | 2018-08-01 | 2018-08-01 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208519258U true CN208519258U (en) | 2019-02-19 |
Family
ID=65333197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821234386.2U Expired - Fee Related CN208519258U (en) | 2018-08-01 | 2018-08-01 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208519258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973678A (en) * | 2019-04-04 | 2019-07-05 | 中国核动力研究设计院 | A kind of double-valve-seat regulation ball valve |
-
2018
- 2018-08-01 CN CN201821234386.2U patent/CN208519258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973678A (en) * | 2019-04-04 | 2019-07-05 | 中国核动力研究设计院 | A kind of double-valve-seat regulation ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208057998U (en) | A kind of high temperature metal sealing plug valve | |
| CN202284679U (en) | Corrugated pipe stop valve | |
| CN110778740A (en) | A kind of double scraper annular valve core and ball valve | |
| CN111706679A (en) | Self-cleaning stop valve | |
| CN208519258U (en) | Ball valve | |
| CN105134991A (en) | Novel cock valve | |
| CN207378262U (en) | Self-cleaning stop valve with compact structure | |
| CN209294453U (en) | A kind of noise reduction ball valve of stable structure | |
| CN108591525A (en) | A kind of lift seal ball-valve | |
| CN105090525A (en) | Special straight-flow type stop valve for chlor-alkali | |
| CN207961549U (en) | A kind of Wear-resistant corrosion-resistant butterfly valve | |
| CN208587554U (en) | A kind of sealing valve | |
| CN207161764U (en) | Wear-resisting antiscour ball valve | |
| CN114183679A (en) | Magnetic exhaust valve group and steam trap | |
| CN205424177U (en) | Prevent check valve of leakage | |
| CN204610934U (en) | The low friction ball valve of a kind of telescopic type | |
| CN110410573A (en) | A kind of valve stem seal mechanism | |
| CN221922033U (en) | A high temperature and high pressure reciprocating shaft sealing gas valve | |
| CN212804252U (en) | Stop valve of disk seat | |
| CN221237206U (en) | Fluid conveying gate valve | |
| CN217153119U (en) | Novel structure of high-temperature high-pressure swing check valve | |
| CN221683618U (en) | Stop valve capable of realizing soft and hard double sealing | |
| CN211371365U (en) | A ceramic three-way reversing valve | |
| CN221278520U (en) | Anti-scouring high-temperature-resistant corrosion-resistant ball valve | |
| CN108547979A (en) | It is a kind of suitable for high temperature, acidity, alkaline environment three-way ball valve |
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: 20190219 |