CN207005335U - A kind of new seal ball-valve - Google Patents
A kind of new seal ball-valve Download PDFInfo
- Publication number
- CN207005335U CN207005335U CN201720785531.5U CN201720785531U CN207005335U CN 207005335 U CN207005335 U CN 207005335U CN 201720785531 U CN201720785531 U CN 201720785531U CN 207005335 U CN207005335 U CN 207005335U
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- China
- Prior art keywords
- valve
- valve body
- ball
- bonnet
- plane
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- 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
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Abstract
The utility model belongs to valve technology field, refers in particular to a kind of new seal ball-valve.Including valve body and bonnet, valve body side end thread is connected with the bonnet, and the bonnet forms inclined-plane one with valve body junction, inclined-plane two formed on the corresponding valve body, the inclined-plane one is close to inclined-plane two；Valve pocket is offered on the inside of the valve body, valve ball is installed in the valve pocket, water stream channel is offered in the valve ball, valve ball upper end is connected with a valve rod, and the valve rod is rotatably connected on above the valve body.The utility model bonnet is provided with inclined-plane one and inclined-plane two with valve body, and while valve body is tightened up with bonnet under the traction of screw thread, the effect for having reached metal self-sealing is close on inclined-plane one with inclined-plane two.The structure of the part seals firmly except playing a part of itself, and ensure that valve body and the glue of bonnet threaded connection place do not outbound flow, and ensure that the cleaning of product surface, is effectively saved resource, eliminates unnecessary waste.
Description
Technical field
The utility model belongs to valve technology field, refers in particular to a kind of new seal ball-valve.
Background technology
The flowing of medium that ball valve is mainly used in blocking or connected in pipeline, the also regulation and control available for fluid, it
Only need just to be closed and opened with the operation being rotated by 90 ° and the rotating torque of very little.Ball valve itself is compact-sized, simple, dimension
Repair conveniently, its sealing surface and sphere are generally in closure state, are not easy by medium erosion, easily operated and maintenance, suitable for water,
The general work medium such as solvent, acid and natural gas, but also suitable for the severe medium of condition of work, as oxygen, hydrogen peroxide,
Methane and ethene etc., are widely used in every profession and trade.
Chinese invention patent publication number：CN105465400A provides a kind of efficient sealed ball valve, and it includes adapter, valve
Lid, valve body, spheroid, lower valve rod set, upper valve rod, lower valve bowl cover, valve seat O-ring；The both sides of described valve body are provided with bonnet, valve
Lid outer end is connected with adapter, and valve body is provided centrally with spheroid, and the lower end mesopore of valve body is connected with lower valve rod set, in lower valve rod set
Lower valve rod is arranged with, the bottom of lower valve rod is provided with lower valve bowl cover；The top of described upper valve rod is connected with spheroid, valve seat and valve
Valve seat O-ring is arranged between lid；It is characterized in that it is also comprising Packing seat, X-shaped sealing ring, gland, soket head cap screw；
Packing seat and filler are provided with described valve body；Be provided with X-shaped sealing ring between described upper valve rod and valve body, valve body it is upper
End is provided with gland；Described gland is connected with valve body by soket head cap screw.Although the sealing of the invention is strong,
But the connection between valve body and bonnet and adapter is simply simply threadedly coupled, or sealing ring is equipped with again, ball valve
Connection needs to use anaerobic adhesive to be sealed between body and bonnet,, must not after screw thread applies glue in the ball-valve structure
Performing leak test can just not etc. not be carried out after glue curing, is influenceed by its anaerobic adhesive self-characteristic, solidified when the temperature is low
Speed is very slow, largely reduces production efficiency, and causes inconvenience to lean pipelining, frequently results in glue
Ball valve shell surface is spilt over, causes unnecessary reprocess.
The content of the invention
The purpose of this utility model is to provide a kind of simple in construction, the new sealing of good seal performance and service life length
Ball valve.
What the purpose of this utility model was realized in：
A kind of new seal ball-valve, including valve body and bonnet, valve body side end thread are connected with the bonnet,
The bonnet forms inclined-plane one with valve body junction, and inclined-plane two, the inclined-plane one are formed on the corresponding valve body
It is close to inclined-plane two；Valve pocket is offered on the inside of the valve body, valve ball is installed in the valve pocket, current are offered in the valve ball
Passage, valve ball upper end are connected with a valve rod, and the valve rod is rotatably connected on above the valve body.
Preferably, the inwardly projecting formation first annular step of valve body side inwall, first annular step inner side are installed
There is the first seal receptacle；Bonnet side inwall is inwardly projecting to form the second ring-shaped step, is provided with the inside of the second ring-shaped step
Second seal receptacle；The valve ball is between first seal receptacle and the second seal receptacle.
Preferably, described bonnet one end forms the connecting portion for being connected with the valve body, and the connecting portion includes ring
Shape face, the ring surface is vertical with the medial surface of second ring-shaped step, and the second seal receptacle one side is close to the ring
The medial surface of second ring-shaped step is close in shape face, another side.
Preferably, the valve ball outer wall at the water stream channel both ends is against on first seal receptacle and the second seal receptacle.
Preferably, first seal receptacle and second seal receptacle are the structure made of polytetrafluoroethylmaterial material.
Preferably, pressure cap is arranged with the middle part of the outer wall of the valve rod, and pressure cap is between the valve body and valve rod, it is described
Filler is provided between pressure cap lower end and valve body, the outer end that the valve rod extends valve body is fixedly connected with tumbler.
Preferably, the outwardly first annular boss of formation in one end that the valve rod is connected with valve ball, first annular boss
On offer annular groove, sealing ring is arranged with the annular groove, the sealing ring is between the valve rod and the valve body；
Inwall forms the second annular boss at the valve body upper end open, and the first annular boss upper surface is attached to the second convex annular
Platform lower surface；The filler is between the pressure cap and the second annular boss.
Preferably, the tumbler is one handle, and the handle includes connecting portion and Handheld Division, and the connecting portion is fixed
On the valve rod, and the stem outer circumference above connecting portion is connected with fixture；The Handheld Division outer cover is provided with anti-
Sliding gum cover.
Preferably, inwall is curved-surface structure in the middle part of the water stream channel, and the bore of water stream channel left and right ends opening is small
In the width of the valve ball internal water flow passages.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1st, the utility model has made following design in valve body and bonnet junction：Bonnet forms inclined-plane with valve body junction
One, inclined-plane two is formed on the corresponding valve body, while valve body and bonnet are tightened up under the traction of screw thread, tiltedly
It is close to the effect for having reached metal self-sealing with inclined-plane two in face one.The structure that both are close to is except playing the work itself sealed firmly
With, and ensure that valve body and the glue of bonnet threaded connection place do not outbound flow, and the cleaning of product surface is ensure that, it is effectively save
Resource, eliminates unnecessary waste.It largely ensure that the quality of product.
2nd, the utility model is provided with seal receptacle when valve ball is installed, and seal receptacle includes first installed in valve inner
Seal receptacle and the second seal receptacle in bonnet, valve ball is between first seal receptacle and the second seal receptacle, valve
When rotated, valve ball outer wall is closely against on first seal receptacle and the second seal receptacle ball, is played good sealing function, is kept away
Exempt from medium side leakage.
3rd, the material of seal receptacle of the present utility model is polytetrafluoroethylene (PTFE) (PTFE), and polytetrafluoroethylene (PTFE) (PTFE) is to almost institute
Some chemical substances are all inert, and with coefficient of friction is small, stable performance, non-aging, temperature applicable range is wide and close
Sealing property is excellent and Comprehensive Characteristics.
Brief description of the drawings
Fig. 1 is the utility model partial cross-sectional cut-away view.
Fig. 2 is partial enlarged drawing at Fig. 1 A.
Fig. 3 is partial enlarged drawing at Fig. 1 B.
Fig. 4 is the schematic cross-section of the utility model valve body.
Fig. 5 is the schematic cross-section of the utility model bonnet.
Fig. 6 is schematic cross-section of the present utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-Fig. 6：
As shown in Figure 1-Figure 3, a kind of new seal ball-valve, including valve body 1 and bonnet 2, the side end spiral shell of valve body 1 one
Line is connected with the bonnet 2, and the bonnet 2 and the junction of valve body 1 form inclined-plane 1, on the corresponding valve body 1
Inclined-plane 2 12 is formed, as shown in figure 3, the inclined-plane 1 is close to inclined-plane 2 12；When valve body and bonnet are in the traction of screw thread
Under while be tightened up, the effect for having reached metal self-sealing is close on inclined-plane one with inclined-plane two.The inner side of valve body 1 offers valve
Chamber 13, valve ball 3 is installed in the valve pocket 13, water stream channel 31 is offered in the valve ball 3, the upper end of valve ball 3 is connected with a valve
Bar 4, the valve rod 4 are rotatably connected on the top of valve body 1.Rotation valve rod, valve ball is driven to rotate, when the water stream channel of valve ball
When opening turns to valve body with bonnet junction, the delivery port of valve body is connected with water inlet, this ball valve can be opened.
The side inwall of valve body 1 is inwardly projecting to form first annular step 14, and the inner side of first annular step 14 is provided with
First seal receptacle 51；The side inwall of bonnet 2 is inwardly projecting to form the second ring-shaped step 22, and the inner side of the second ring-shaped step 22 is pacified
Equipped with the second seal receptacle 52；For the valve ball 3 between the seal receptacle 52 of the first seal receptacle 51 and second, the outer wall of valve ball 3 is tight
Paste the first seal receptacle 51 and the second seal receptacle 52 so that in the closed state, valve ball outer wall can get lodged in water inlet and delivery port,
Current are avoided to pass through the sealing of enhancing structure.
Described one end of bonnet 2 forms the connecting portion 23 for being connected with the valve body 1, and the connecting portion 23 includes annular
Face 231, the ring surface 231 is vertical with the medial surface of second ring-shaped step 22, and the one side of the second seal receptacle 52 is tight
The ring surface 231 is pasted, the medial surface of second ring-shaped step 22 is close in another side, can be firmly solid by the second seal receptacle
It is scheduled between valve ball and bonnet；Likewise, at the first annular step 14 of valve body, the first seal receptacle is close to first annular step
Side wall and valve interior wall, the first seal receptacle is secured firmly between valve ball and valve body；As shown in Fig. 1 or Fig. 6, open shape
Under state, the opening of valve ball 3 at the both ends of water stream channel 31 is against on the seal receptacle 52 of the first seal receptacle 51 and second.
First seal receptacle 51 and second seal receptacle 52 are structure, polytetrafluoro made of polytetrafluoroethylmaterial material
Vinyl material coefficient of friction is small, and due to the regular rotation of ball valve, seal receptacle is designed to avoid ball valve in rotation process
Rotary resistance is produced because frictional force is big, can also avoid ball valve outer wall from producing abrasion because of friction, extend making for ball valve
Use the life-span.
The middle part inwall of water stream channel 31 is curved-surface structure 32, and the bore of the left and right ends opening of water stream channel 31 is less than
The width of the internal water flow passages 31 of valve ball 3.The design of curved-surface structure considerably increases the space of valve ball internal water flow passages,
Current can play a part of current of releiving after coming in, protect valve ball valve body.
It is arranged with pressure cap 6 in the middle part of the outer wall of the valve rod 4, and pressure cap 6 is between the valve body 1 and valve rod 4, the pressure
Filler 7 is provided between the lower end of cap 6 and valve body 1, the outer end that the valve rod 4 extends valve body 1 is fixedly connected with tumbler.Institute
Stating filler can be made up of polytetrafluoroethylene (PTFE) or graphite or asbestos packing or its combination, have good sealing, prevent in valve rod
During rotation, gap outflow of the current between valve rod and valve body, cause to reveal.
One end that the valve rod 4 is connected with valve ball 3 is outwardly to form first annular boss 41, on first annular boss 41
Annular groove 42 is offered, sealing ring 43 is arranged with the annular groove 42, the sealing ring 43 is located at the valve rod 4 and the valve
Between body 1；Inwall forms the second annular boss 44, the first annular upper surface of boss 41 at the upper end open of valve body 1
It is attached to the lower surface of the second annular boss 44；The filler 7 is between the annular boss 44 of pressure cap 6 and second.Valve rod, valve
Body, pressure cap and sealing ring, filler etc., are closely connected between all parts, greatly enhance the sealing of structure.
The tumbler is one handle 8, and the handle 8 includes fixed part 81 and Handheld Division 82, and the fixed part 81 is solid
Dingan County is on the valve rod 4, and the periphery of valve rod 4 above fixed part 81 is connected with fixture 9；Outside the Handheld Division 82
It is arranged with antiskid glue sleeve 83.The rectangle projection being additionally provided with Handheld Division 82, and the length of rectangle projection is designed as 2cm-
2.5cm, meet base of principle of human engineering, in narrow and small operating space, handle can just be entered using the strength of thumb
Row operation, facilitates operating personnel to operate, improves operating efficiency.The design of antiskid glue sleeve 83 can also protect the palm of user,
It is easy and safe to operate.
Operation principle of the present utility model：
Valve rod is connected with valve ball, valve rod is rotated under the drive of tumbler (handle), and valve ball is revolved therewith
Turn, a passage is provided with valve ball, when tumbler rotates forward 1/4 circle (90 °), valve breakdown, when tumbler reversely revolves
When turning 1/4 circle (90 °), valve is opened, and so as to get through water stream channel, the opening and closing of this ball valve is realized by rotating tumbler.
The utility model valve body is connected through a screw thread with bonnet, and bonnet is respectively equipped with inclined-plane one and inclined-plane with valve body
Two, while valve body is tightened up with bonnet under the traction of screw thread, inclined-plane one is close to reach metal self-sealing with inclined-plane two
Effect, good airproof performance.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. a kind of new seal ball-valve, including valve body and bonnet, it is characterised in that：Valve body side end thread is connected with
The bonnet, the bonnet form inclined-plane one with valve body junction, inclined-plane two, institute are formed on the corresponding valve body
Inclined-plane one is stated with inclined-plane two to be close to；Valve pocket is offered on the inside of the valve body, valve ball is installed in the valve pocket, opened in the valve ball
Provided with water stream channel, valve ball upper end is connected with a valve rod, and the valve rod is rotatably connected on above the valve body.
2. new seal ball-valve according to claim 1, it is characterised in that：The inwardly projecting shape of valve body side inwall
Into first annular step, the first seal receptacle is installed on the inside of first annular step；The inwardly projecting formation of bonnet side inwall
Second ring-shaped step, the second ring-shaped step inner side are provided with the second seal receptacle；The valve ball is located at first seal receptacle and
Between two seal receptacles.
3. new seal ball-valve according to claim 2, it is characterised in that：Described bonnet one end, which forms, to be used for and institute
The connecting portion of valve body connection is stated, the connecting portion includes ring surface, the medial surface of the ring surface and second ring-shaped step
Vertically, the second seal receptacle one side is close to the ring surface, and the medial surface of second ring-shaped step is close in another side.
4. the new seal ball-valve according to Claims 2 or 3, it is characterised in that：The valve at the water stream channel both ends
Ball outer wall is against on first seal receptacle and the second seal receptacle.
5. the new seal ball-valve according to Claims 2 or 3, it is characterised in that：First seal receptacle and described
Two seal receptacles are the structure made of polytetrafluoroethylmaterial material.
6. according to the new seal ball-valve described in claim 1 or 2 or 3, it is characterised in that：Covered in the middle part of the outer wall of the valve rod
Provided with pressure cap, and pressure cap is provided with filler, the valve rod between the valve body and valve rod between the pressure cap lower end and valve body
The outer end for extending valve body is fixedly connected with tumbler.
7. new seal ball-valve according to claim 6, it is characterised in that：One end that the valve rod is connected with valve ball to
Outer protrusion forms first annular boss, and annular groove is offered on first annular boss, sealing ring, institute are arranged with the annular groove
Sealing ring is stated between the valve rod and the valve body；Inwall forms the second annular boss at the valve body upper end open,
The first annular boss upper surface is attached to the second annular boss lower surface；The filler is located at the pressure cap and the second convex annular
Between platform.
8. new seal ball-valve according to claim 6, it is characterised in that：The tumbler is one handle, described
Handle includes fixed part and Handheld Division, and the fixed part is fixedly mounted on the valve rod, and outside the valve rod above fixed part
Week is connected with fixture；The Handheld Division outer cover is provided with antiskid glue sleeve.
9. according to the new seal ball-valve described in claim 1 or 2 or 3, it is characterised in that：Inwall in the middle part of the water stream channel
For curved-surface structure, the bore of water stream channel left and right ends opening is less than the width of the valve ball internal water flow passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720785531.5U CN207005335U (en) | 2017-07-01 | 2017-07-01 | A kind of new seal ball-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720785531.5U CN207005335U (en) | 2017-07-01 | 2017-07-01 | A kind of new seal ball-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005335U true CN207005335U (en) | 2018-02-13 |
Family
ID=61449686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720785531.5U Expired - Fee Related CN207005335U (en) | 2017-07-01 | 2017-07-01 | A kind of new seal ball-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775416A (en) * | 2018-07-19 | 2018-11-09 | 唐工阀门集团有限公司 | A kind of ball valve with valve body self-sealing mechanism |
-
2017
- 2017-07-01 CN CN201720785531.5U patent/CN207005335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775416A (en) * | 2018-07-19 | 2018-11-09 | 唐工阀门集团有限公司 | A kind of ball valve with valve body self-sealing mechanism |
| CN108775416B (en) * | 2018-07-19 | 2024-03-19 | 唐工阀门集团有限公司 | Ball valve with valve body self-sealing mechanism |
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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 |
Granted publication date: 20180213 Termination date: 20210701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |