CN206449237U - The program control hard seal ball valve of polyolefin - Google Patents
The program control hard seal ball valve of polyolefin Download PDFInfo
- Publication number
- CN206449237U CN206449237U CN201621473367.6U CN201621473367U CN206449237U CN 206449237 U CN206449237 U CN 206449237U CN 201621473367 U CN201621473367 U CN 201621473367U CN 206449237 U CN206449237 U CN 206449237U
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- Prior art keywords
- valve
- barrel
- ball
- polyolefin
- program control
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Abstract
The utility model discloses a kind of program control hard seal ball valve of polyolefin, it includes a left valve barrel, one right valve barrel, one valve ball, the left valve barrel is connected to the left side of the right valve barrel, the valve ball is located at the inside between the left valve barrel and the right valve barrel, the program control hard seal ball valve of polyolefin includes a left valve seat, one right valve seat, the left valve seat pressure is located between the left valve barrel and the left end of the valve ball, and the gap between the valve ball and the left valve barrel is 1~3mm, the right valve seat pressure is located between the right valve barrel and the right-hand member of the valve ball, and the gap between the valve ball and the right valve barrel is 1~3mm.The program control hard seal ball valve of polyolefin of the present utility model, by reducing gap between valve body and valve ball, medium will not bulk deposition, and be easy to crush because the thin and gap of coking layer is small in valve ball switching process, jam and locking phenomenon are not resulted in, performance and service life is improved.
Description
Technical field
The utility model is related to a kind of valve, more particularly to a kind of program control hard seal ball valve of polyolefin.
Background technology
The program control hard seal ball valve pumped (conveying) medium of polyolefin is the particle such as a large amount of polyolefin slurries, powder, and high dynamic
Working frequency and cycle-index.In gap of these media meeting bulk deposition between valve body and valve ball, media accumulation coking is caused,
Frictional force increases so that valve torque becomes big, or even valve locking, causes valve hardly possible unlatching, while damage can be caused, finally leads
Cause and use short life.
Utility model content
The technical problems to be solved in the utility model is that in order to overcome valve torque of the prior art big, or even valve is embraced
Extremely, there is provided a kind of program control hard seal ball valve of polyolefin for the defect such as service life is short.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of program control hard seal ball valve of polyolefin, it includes a left valve barrel, a right valve barrel, a valve ball, the left valve barrel
The left side of the right valve barrel is connected to, the valve ball is located at the inside between the left valve barrel and the right valve barrel, and its feature exists
In the program control hard seal ball valve of polyolefin includes a left valve seat, a right valve seat, and the left valve seat pressure is located at the left valve barrel
Between the left end of the valve ball, and gap between the valve ball and the left valve barrel is 1~3mm, and the right valve seat pressure is set
Between the right-hand member of the right valve barrel and the valve ball, and gap between the valve ball and the right valve barrel is 1~3mm.
It is preferred that the program control hard seal ball valve of polyolefin includes:
One valve rod, the valve rod is rotatably inserted into the right valve barrel, and the valve rod is connected to the valve ball
Top;
Once fixing axle, the lower fixing axle is connected to the bottom of the right valve barrel, and the bottom of the valve ball is rotatable
Ground is sheathed on the lower fixing axle;
Sliding bearing on one, the upper sliding bearing is sheathed on the outside wall surface of the valve rod, and the upper sliding bearing position
Between the right valve barrel and the valve rod;
One properties of journal bearing lubricated, the properties of journal bearing lubricated is sheathed on the outside wall surface of the lower fixing axle, and the downslide moving axis
Hold positioned between the right valve barrel and the lower fixing axle.
In this programme, using said structure form, by upper sliding bearing and properties of journal bearing lubricated can reduce valve rod, under
Fixing axle and valve body surface friction, play lubrication.It can effectively mitigate the program control hard seal ball valve moment of torsion of polyolefin simultaneously,
Performance is improved, the program control hard seal ball valve HF switch of polyolefin, no jam phenomenon is realized.
It is preferred that being provided with lower axle pad and the first O-ring between the lower fixing axle and the right valve barrel.
In this programme, using said structure form so that formd between lower fixing axle and right valve barrel reliable dual
Sealing, improves the sealing of the program control hard seal ball valve of polyolefin, adds the reliability of the program control hard seal ball valve of polyolefin.
It is preferred that flange seal is connected between the left valve barrel and the right valve barrel.
In this programme, using said structure form so that handling are convenient between left valve barrel and right valve barrel, and be can guarantee that
With sealing effectiveness well.
It is preferred that being provided with flange gasket and the second O-ring between the left valve barrel and the right valve barrel.
In this programme, using said structure form so that formd between left valve barrel and right valve barrel reliable dual close
Envelope, improves the sealing of the program control hard seal ball valve of polyolefin, adds the reliability of the program control hard seal ball valve of polyolefin.
It is preferred that one first elastic component is provided between the left valve seat and the left valve barrel, the right valve seat and the right side
One second elastic component is provided between valve body.
In this programme, using said structure form, it is able to by the first elastic component and the second elastic component as left valve
Seat and right valve seat provide tensile force so that be close between valve seat and valve ball and form sealing structure, it is ensured that form excellent sealing.
It is preferred that the outer surface of the left valve seat and the right valve seat is coated with diamond.
In this programme, using said structure form, it is more wear-resisting that diamond can improve hardness, it is ensured that left valve seat and right valve
Sealing of the seat between valve ball, increases the service life.
It is preferred that the program control hard seal ball valve of polyolefin includes:
One bonnet, the bonnet, is sheathed on the valve rod, and the bonnet, is connected to the top of the right valve barrel;
One bonnet gasket, the bonnet gasket pressure is located between the bonnet, and the right valve barrel;
One filler, the filler pressure is located between the internal face top of the bonnet, and the outer surface of the valve rod, and
The filler is located at the upper end of the upper sliding bearing;
One hold-down grid, the hold-down grid is connected to the top of the bonnet, and the bottom pressure of the hold-down grid
Located at the top of the filler.
In this programme, using said structure form, filler seals, and prevents the program control hard seal ball valve of polyolefin from existing
Leaked outside during pumped (conveying) medium.
Meanwhile, hold-down grid is used to compress filler, further strengthens sealing effectiveness.
In addition, bonnet gasket has sealing well, it is further able to prevent medium from leaking outside.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, produce the utility model it is each compared with
Good example.
Positive effect of the present utility model is:
The program control hard seal ball valve of polyolefin of the present utility model, by reducing gap between valve body and valve ball, medium will not
Bulk deposition, and be easy to crush because the thin and gap of coking layer is small in valve ball switching process, do not result in jam and locking
Phenomenon, improves the performance and service life of the program control hard seal ball valve of polyolefin.
Brief description of the drawings
Fig. 1 is the structural representation of the program control hard seal ball valve of polyolefin of the utility model preferred embodiment.
Description of reference numerals:
Left valve barrel 1
Right valve barrel 2
Valve ball 3
Left valve seat 4, the first elastic component 41
Right valve seat 5, the second elastic component 51
Valve rod 6
Lower fixing axle 7
Upper sliding bearing 8
Properties of journal bearing lubricated 9
Flange gasket 10
Second O-ring 11
Lower axle pad 12
First O-ring 13
Bonnet, 14
Bonnet gasket 15
Filler 16
Hold-down grid 17
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
As shown in figure 1, the program control hard seal ball valve of polyolefin of the present utility model, it includes left valve barrel 1, right valve barrel 2, valve
Ball 3, left valve seat 4, right valve seat 5, left valve barrel 1 are connected to the left side of right valve barrel 2, and conveying Jie is carried out by left valve barrel 1 and right valve barrel 2
Matter, left valve barrel 1 is formed with pumped (conveying) medium passage with right valve barrel 2.A circular cavity, valve are formed between left valve barrel 1 and right valve barrel 2
Ball 3 is located at the inside between left valve barrel 1 and right valve barrel 2, i.e. valve ball 3 and is located in the circular cavity, left valve seat 4 and right valve seat 5
Annular is shaped as, the left pressure of valve seat 4 is located between left valve barrel 1 and the left end of valve ball 3, and the right pressure of valve seat 5 is located at right valve barrel 2 and valve ball 3
Right-hand member between.Pass through left valve seat 4 and the formation dual-seal of right valve seat 5 so that the program control hard seal ball valve of polyolefin can keep good
Good sealing property, so that reducing medium enters gap between left valve barrel 1 and right valve barrel 2 and valve ball 3, greatly prolongs and uses the longevity
Life.And the gap between valve ball 3 and left valve barrel 1 is 1~3mm, the gap between valve ball 3 and right valve barrel 2 is 1~3mm.By subtracting
Gap between small left valve barrel 1 and right valve barrel 2 and valve ball 3, medium will not bulk deposition in gap, and valve ball 3 is in switching process
In be easy to crush because the thin and gap of coking layer is small, do not result in jam and locking phenomenon, improve the program control hard sealing of polyolefin
The performance and service life of ball valve.
, can be between left valve barrel 1 and right valve barrel 2 in order to reach the sealing effect for strengthening the program control hard seal ball valve of polyolefin
Connected by flange seal.Changed so that handling can not only be convenient between left valve barrel 1 and right valve barrel 2, moreover it is possible to ensure
With sealing effectiveness well.The O-ring 11 of flange gasket 10 and second is also provided between left valve barrel 1 and right valve barrel 2.So that left
Reliable dual-seal is formd between valve body 1 and right valve barrel 2, the sealing of the program control hard seal ball valve of polyolefin is improved, increased
The reliability of the program control hard seal ball valve of polyolefin is added.
In order to reach the sealing effect for strengthening left valve seat 4 and right valve seat 5, it can be provided between left valve seat 4 and left valve barrel 1
First elastic component 41, is provided with the second elastic component 51 between right valve seat 5 and right valve barrel 2.First elastic component 41 and the second elastic component 51
Tensile force can be provided so that left valve seat 4 and right valve seat 5 are close between valve ball 3 and form sealing structure, it is ensured that formed good
Good sealing.Preferably, the first elastic component 41 and the second elastic component 51 can be leaf spring.The outer surface of left valve seat 4 and right valve seat 5
Diamond is coated with, it is more wear-resisting to improve hardness by diamond, it is ensured that left valve seat 4 and right valve seat 5 are between valve ball 3
Sealing, increase the service life.
In order to reach the effect of the program control hard seal ball valve convenient use of polyolefin, the program control hard seal ball valve of polyolefin can be wrapped
Valve rod 6, lower fixing axle 7, upper sliding bearing 8, properties of journal bearing lubricated 9 are included, valve rod 6 is rotatably inserted into right valve barrel 2, and valve
Bar 6 is connected to the top of valve ball 3, by rotary valve rod 6 so as to drive valve ball 3 to rotate, realizes the program control hard seal ball valve of polyolefin
Switch.Lower fixing axle 7 is connected to the bottom of right valve barrel 2, and the bottom of valve ball 3 is rotationally sheathed on lower fixing axle 7, upper cunning
Dynamic bearing 8 is sheathed on the outside wall surface of valve rod 6, and upper sliding bearing 8 is located between right valve barrel 2 and valve rod 6,9 sets of properties of journal bearing lubricated
Located at the outside wall surface of lower fixing axle 7, and properties of journal bearing lubricated 9 is positioned between right valve barrel 2 and lower fixing axle 7.The polyolefin is program control hard
Seal ball-valve is when being switched, by upper sliding bearing 8 and the driving structure of properties of journal bearing lubricated 9, can reduce valve rod 6, under
Fixing axle 7 respectively with the mantle friction of right valve barrel 2, play lubrication.It can effectively mitigate the program control hard sealing of polyolefin simultaneously
Ball valve moment of torsion, improves performance, realizes the program control hard seal ball valve HF switch of polyolefin, no jam phenomenon, convenient use, greatly
Increase the service life greatly.
Strengthen lower sealing effectiveness between fixing axle 7 and right valve barrel 2 to reach, can be between lower fixing axle 7 and right valve barrel 2
Provided with the O-ring 13 of lower axle pad 12 and first.So that foring reliable dual-seal between lower fixing axle 7 and right valve barrel 2, prevent
Only leakage phenomenon occurs for pumped (conveying) medium, improves the sealing and reliability of the program control hard seal ball valve of polyolefin.Meanwhile, installation makes
With conveniently.
In order to reach that valve rod 6 is positioned, it is ensured that the effect that normally transmission is switched of valve rod 6, the program control hard seal ball valve of polyolefin is also
Bonnet, 14, bonnet gasket 15, filler 16, hold-down grid 17 can be included, bonnet, 14 is sheathed on valve rod 6, and bonnet,
14 are connected to the top of right valve barrel 2.Valve rod 6 can be enabled to position and ensure that valve rod 6 is normally driven switch by bonnet, 14,
Prevent valve rod 6 from producing skew inconsistent phenomenon under active force.The pressure of bonnet gasket 15 is located between bonnet, 14 and right valve barrel 2, is played
Sealing function, prevents medium from leaking outside.The pressure of filler 16 is located between the internal face top of bonnet, 14 and the outer surface of valve rod 6, and
Filler 16 is located at the upper end of upper sliding bearing 8.Filler 16 is also to play sealing function, prevents the program control hard seal ball valve of polyolefin from existing
Leaked outside during pumped (conveying) medium.Hold-down grid 17 is connected to the top of bonnet, 14, and hold-down grid 17 bottom pressure located at filling out
The top of material 16, compresses filler 16 by hold-down grid 17, further strengthens sealing effectiveness.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", " top ", " bottom ",
The orientation or position relationship of the instructions such as " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
State the utility model and simplify and describe, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Although the foregoing describing embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within protection domain of the present utility model.
Claims (8)
1. a kind of program control hard seal ball valve of polyolefin, it includes a left valve barrel, a right valve barrel, a valve ball, and the left valve barrel connects
The left side of the right valve barrel is connected to, the valve ball is located at the inside between the left valve barrel and the right valve barrel, it is characterised in that
The program control hard seal ball valve of polyolefin includes a left valve seat, a right valve seat, the left valve seat pressure located at the left valve barrel with
Between the left end of the valve ball, and gap between the valve ball and the left valve barrel is 1~3mm, and the right valve seat pressure is located at
Between the right-hand member of the right valve barrel and the valve ball, and gap between the valve ball and the right valve barrel is 1~3mm.
2. the program control hard seal ball valve of polyolefin as claimed in claim 1, it is characterised in that the program control hard seal ball of polyolefin
Valve includes:
One valve rod, the valve rod is rotatably inserted into the right valve barrel, and the valve rod is connected to the top of the valve ball;
Once fixing axle, the lower fixing axle is connected to the bottom of the right valve barrel, and the bottom of the valve ball rotationally covers
Located at the lower fixing axle;
Sliding bearing on one, the upper sliding bearing is sheathed on the outside wall surface of the valve rod, and the upper sliding bearing is located at institute
State between right valve barrel and the valve rod;
One properties of journal bearing lubricated, the properties of journal bearing lubricated is sheathed on the outside wall surface of the lower fixing axle, and properties of journal bearing lubricated position
Between the right valve barrel and the lower fixing axle.
3. the program control hard seal ball valve of polyolefin as claimed in claim 2, it is characterised in that the lower fixing axle and the right valve
Lower axle pad and the first O-ring are provided between body.
4. the program control hard seal ball valve of polyolefin as claimed in claim 1, it is characterised in that the left valve barrel and the right valve barrel
Between flange seal connect.
5. the program control hard seal ball valve of polyolefin as claimed in claim 1, it is characterised in that the left valve barrel and the right valve barrel
Between be provided with flange gasket and the second O-ring.
6. the program control hard seal ball valve of polyolefin as claimed in claim 1, it is characterised in that the left valve seat and the left valve barrel
Between be provided with one first elastic component, between the right valve seat and the right valve barrel be provided with one second elastic component.
7. the program control hard seal ball valve of polyolefin as claimed in claim 1, it is characterised in that the left valve seat and the right valve
The outer surface of seat is coated with diamond.
8. the program control hard seal ball valve of polyolefin as claimed in claim 2, it is characterised in that the program control hard seal ball of polyolefin
Valve includes:
One bonnet, the bonnet, is sheathed on the valve rod, and the bonnet, is connected to the top of the right valve barrel;
One bonnet gasket, the bonnet gasket pressure is located between the bonnet, and the right valve barrel;
One filler, the filler pressure is located between the internal face top of the bonnet, and the outer surface of the valve rod, and described
Filler is located at the upper end of the upper sliding bearing;
One hold-down grid, the hold-down grid is connected to the top of the bonnet, and the bottom pressure of the hold-down grid is located at
The top of the filler.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621473367.6U CN206449237U (en) | 2016-12-29 | 2016-12-29 | The program control hard seal ball valve of polyolefin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621473367.6U CN206449237U (en) | 2016-12-29 | 2016-12-29 | The program control hard seal ball valve of polyolefin |
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Publication Number | Publication Date |
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CN206449237U true CN206449237U (en) | 2017-08-29 |
Family
ID=59673410
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CN201621473367.6U Active CN206449237U (en) | 2016-12-29 | 2016-12-29 | The program control hard seal ball valve of polyolefin |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109812596A (en) * | 2019-03-14 | 2019-05-28 | 无锡智能自控工程股份有限公司 | A kind of Fixed ball valve of the driven axle construction of separation type |
-
2016
- 2016-12-29 CN CN201621473367.6U patent/CN206449237U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109812596A (en) * | 2019-03-14 | 2019-05-28 | 无锡智能自控工程股份有限公司 | A kind of Fixed ball valve of the driven axle construction of separation type |
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