CN207278921U - Ball valve built in self-pressure-sealed upper dress formula - Google Patents
Ball valve built in self-pressure-sealed upper dress formula Download PDFInfo
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- CN207278921U CN207278921U CN201721238128.7U CN201721238128U CN207278921U CN 207278921 U CN207278921 U CN 207278921U CN 201721238128 U CN201721238128 U CN 201721238128U CN 207278921 U CN207278921 U CN 207278921U
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Abstract
Ball valve built in a kind of self-pressure-sealed upper dress formula, mainly solve current high pressure operating mode fastener Frequent Accidents, and the problem of requirement raising of the pipeline to valve leak, need to provide a kind of reliable and stable ball valve, including valve body, sphere, valve rod, valve seat and valve deck, the sphere is arranged in the chamber of valve inner, and valve rod stretches into valve body and is connected with sphere；One end of the valve rod connection sphere is equipped with annular stop step；The sphere is equipped with the mounting groove being adapted to annular stop step, and the inner wall of the mounting groove forms a spacing annular groove；The first decile spacing ring is equipped with the spacing annular groove, the first decile spacing ring forms axial limiting with annular stop step and coordinates, it the advantage is that and ensure that valve rod will not fly out in failure, also ensure to stablize when removing motionless, maintain reliable and stable during ball valve use.
Description
Technical field
A kind of ball valve is the utility model is related to, more particularly, to ball valve built in a kind of self-pressure-sealed upper dress formula.
Background technology
At this stage as the fast development of oil, chemical industry and gas industry, various high request operating modes emerge in an endless stream, wherein special
It is not that the high ball valve demand for forcing down leakage is increasing.But high pressure operating mode fastener Frequent Accidents, and pipeline let out valve
The requirement of leakage improves, it is desirable to provide a kind of reliable and stable ball valve.
Utility model
In order to overcome the shortcomings of background technology, the utility model provides ball valve built in a kind of self-pressure-sealed upper dress formula, on bar
Limited step, the axial limiting formed between the annular groove valve rod of pendant collet, decile spacing ring, sphere, pressing sleeve be installed coordinate
Structure improves the stability of ball valve.
Technical solution used by the utility model：The utility model provides ball valve built in a kind of self-pressure-sealed upper dress formula,
Including valve body, sphere, valve rod, valve seat and valve deck, the sphere is arranged in the chamber of valve inner, and valve rod stretches into valve body and ball
Body is connected；One end of the valve rod connection sphere is equipped with annular stop step；The sphere is equipped with and annular stop step
The mounting groove of adaptation, the inner wall of the mounting groove is formed with a spacing annular groove；The first decile is equipped with the spacing annular groove
Spacing ring, the first decile spacing ring form axial limiting with annular stop step and coordinate, the first decile spacing ring
Top is additionally provided with the pressing sleeve for the first decile spacing ring that is fixed and clamped.
The valve body is equipped with pressing sleeve, and pressing sleeve is connected with threaded stem, the first decile spacing ring support pressing sleeve.
The pressing sleeve is equipped with and sphere, the first matched step of decile spacing ring.
Head cover is equipped with above the valve deck, head cover is bolted with valve deck, head cover and the spacing cooperation of valve body, the valve
A wedge metal ring is equipped between body and valve deck, the valve deck and the valve deck of valve body joint are equipped with and wedge metal ring phase
The inclined-plane of cooperation, valve deck and the valve interior wall of valve body joint are equipped with limiting slot, and limiting slot is provided with the second decile spacing ring, the
Spacing ring is halved to be located above wedge metal ring to wedge metal ring support limit.
Gasket ring is equipped between the second decile spacing ring and wedge metal ring.
The first decile spacing ring and the second decile spacing ring are pendant collet.
Valve seat is equipped between the valve body and sphere, a telescopic is equipped between valve seat and valve body, telescopic is equipped with fixed
Position groove, locating slot are provided with an equal dividing and positioning ring, and equal dividing and positioning ring and valve body, telescopic are in mating connection.
The equal dividing and positioning ring is divided ring.
With there is filler on the valve deck of valve rod joint on the valve deck, be equipped with hold-down grid above filler, the filler and
Hold-down grid is fixedly connected by hold-down grid fastener, and disc spring is equipped with hold-down grid fastener and hold-down grid.
The beneficial effects of the utility model are：By said structure, it ensure that valve rod will not fly out in failure, removing
When, also ensures to stablize motionless, maintains reliable and stable during ball valve use.
Brief description of the drawings
Fig. 1 is the structure diagram of ball valve built in the self-pressure-sealed upper dress formula of the utility model embodiment.
Fig. 2 is the part-structure schematic diagram of ball valve built in the self-pressure-sealed upper dress formula of the utility model embodiment.
Fig. 3 is the modular construction schematic diagram of ball valve built in the self-pressure-sealed upper dress formula of the utility model embodiment.
Fig. 4 is the modular construction schematic diagram of ball valve built in the self-pressure-sealed upper dress formula of the utility model embodiment.
Fig. 5 is the modular construction schematic diagram of ball valve built in the self-pressure-sealed upper dress formula of the utility model embodiment.
Embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in the figure, ball valve built in a kind of self-pressure-sealed upper dress formula, including valve body 1, sphere 5, valve rod 16, valve seat 4 and valve
Lid 9, the sphere 5 are arranged in the chamber inside valve body 1, and valve rod 16 stretches into valve body 1 and is connected with sphere 5；The valve rod 16
One end of connection sphere 5 is equipped with annular stop step 6；The sphere 5 is equipped with the mounting groove being adapted to annular stop step 6
61, the inner wall of the mounting groove 61 forms a spacing annular groove 17, and the first decile spacing ring is equipped with the spacing annular groove 17
7；The first decile spacing ring 7 is located at the top of annular stop step 6, and coordinates with its axial limiting；First decile
The top of spacing ring 7 is additionally provided with the pressing sleeve 8 for the first decile spacing ring 7 that is fixed and clamped.
It is threadedly coupled between the pressing sleeve 8 and valve rod 16, installation easy to disassemble.
The first decile spacing ring 7 supports pressing sleeve 8, and pressing sleeve 8 is equipped with and is engaged with sphere 5, the first decile spacing ring 7
Step.
Radially spacing cooperation is formed by the step on pressing sleeve 8 and sphere 5, axial limit is formed with the first decile spacing ring 7
Position coordinates, and ensure that valve rod 16 will not move up and down, and one end that valve rod 16 connects sphere 5 is equipped with annular stop step 6, ensure that
The contact area of valve rod 16 and sphere 5, can have sufficient safety to the crush resistance of 16 flat of valve rod, ensure that valve rod 16 not
It can fly out in failure, also ensure to stablize when removing motionless, maintain reliable and stable during ball valve use.
Certainly can be that axis pin connects between pressing sleeve 8 and valve rod 16, pressing sleeve 8 could alternatively be a spacing ring, and first etc.
It can be pendant collet, divided ring, eight open loops to divide spacing ring 7.
As shown in the figure, the top of valve deck 9 is equipped with head cover 13, head cover 13 is bolted with valve deck 9, head cover 13 and valve body 1
Spacing cooperation.A wedge metal ring 10, the valve deck 9 and the valve of 1 joint of valve body are equipped between the valve body 1 and valve deck 13
Lid 9 is equipped with is equipped with limiting slot with 10 matched inclined-plane of wedge metal ring, valve deck 9 and 1 inner wall of valve body of 1 joint of valve body
121, limiting slot 121 is provided with the second decile spacing ring 12, and the second decile spacing ring 12 is located at the top of wedge metal ring 10 to wedge
10 support limit of shape becket.
The head cover 13 and 1 spacing cooperation of valve body, can be that the convex block between the limiting slot and valve body on head cover 13 is spacing
Coordinate.
The second decile spacing ring 12 can be pendant collet, divided ring, eight open loops.
Gasket ring 11 is equipped between the second decile spacing ring 12 and wedge metal 10, better seal can be reached.
By tightening stud 9 and nut 14, valve deck 9 is up lifted, is 9 wedge metal of valve deck, 10 ring pads ring 11 the two or four
Initial sealing power is provided between 12 valve body 1 of open loop, by influence of the medium active force to valve deck 9 after valve opening, makes effect
Power increases, and sealing performance is more preferable.
As shown in the figure, being equipped with valve seat 4 between valve body 1 and sphere 5, a telescopic 3 is equipped between valve seat 4 and valve body 1, is stretched
Contracting set 3 is equipped with the locating slot 21 of an installation equal dividing and positioning ring 2, equal dividing and positioning ring 2 and valve body 1,3 company of being engaged of telescopic
Connect.
By making valve seat 4 successively be moved along channel position with telescopic 3, then sphere 5 is inserted, will be flexible by specific frock
Set pushes away 3 and is fixed to sphere 5, then by divided ring 2 and valve body 1, reduces outer dew point, reduces the exposed possibility of failure.
The equal dividing and positioning ring 2 can be pendant collet, divided ring, eight open loops.
As shown in the figure, with there is filler 18 on the valve deck 9 of 16 joint of valve rod on the valve deck 9, the top of filler 18, which is equipped with, to be filled out
Expect pressing plate 181, the hold-down grid 181 is fixedly connected by fastener 182 with valve deck 9, and compresses filler 18, in fastener
Disc spring 183 is equipped between 182 and hold-down grid 181.
The disc spring 183 between hold-down grid fastener 18 and hold-down grid 181 is added, the pressure to filler 18 can be compensated
Contracting power, reaches the long-term effect and reliability of sealing.
Ball valve instead of method compared with common top-loading ball valve due to the use of spacing ring built in wherein self-pressure-sealed upper dress formula
Orchid, so more economically, valve overall weight reduces, alleviates the burden to line hoses because of valve weight.
Every technical staff's notice：Although the utility model is described according to above-mentioned embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept, will all include this specially
In sharp scope of patent protection.
Claims (9)
1. ball valve built in a kind of self-pressure-sealed upper dress formula, including valve body（1）, sphere（5）, valve rod（16）, valve seat（4）And valve deck
（9）, the sphere（5）It is arranged on valve body（1）In internal chamber, valve rod（16）Stretch into valve body（1）With sphere（5）It is connected；
It is characterized in that：The valve rod（16）Connect sphere（5）One end be equipped with annular stop step（6）；The sphere（5）It is equipped with
With annular stop step（6）The mounting groove of adaptation（61）, the mounting groove（61）Inner wall formed a spacing annular groove（17）, institute
State spacing annular groove（17）Inside it is equipped with the first decile spacing ring（7）；The first decile spacing ring（7）Positioned at annular stop step
（6）Top, and with its axial limiting coordinate；The first decile spacing ring（7）Top be additionally provided with for being fixed and clamped the
One decile spacing ring（7）Pressing sleeve（8）.
2. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 1, it is characterised in that：The pressing sleeve（8）With
Valve rod（16）It is threadedly coupled.
3. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 2, it is characterised in that：The pressing sleeve（8）On
It is equipped with and sphere（5）, the first decile spacing ring（7）Matched step.
4. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 1, it is characterised in that：The valve deck（9）On
Side is equipped with head cover（13）, head cover（13）With valve deck（9）It is bolted, head cover（13）With valve body（1）Spacing cooperation, the valve
Body（1）With valve deck（9）Between be equipped with a wedge metal ring（10）, the valve deck（9）With valve body（1）The valve deck of joint（9）
It is equipped with and wedge metal ring（10）Matched inclined-plane, valve deck（9）With valve body（1）The valve body of joint（1）Inner wall is equipped with limit
Position groove（121）, limiting slot（121）Second decile spacing ring is installed（12）, the second decile spacing ring（12）Positioned at wedge metal
Ring（10）Top is to wedge metal ring（10）Support limit.
5. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 4, it is characterised in that：The second decile limit
Position ring（12）With wedge metal ring（10）Between be equipped with gasket ring（11）.
6. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 4, it is characterised in that：The first decile limit
Position ring（7）With the second decile spacing ring（12）For pendant collet.
7. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 1, it is characterised in that：The valve body（1）With
Sphere（5）Between be equipped with valve seat（4）, valve seat（4）With valve body（1）Between be equipped with a telescopic（3）, telescopic（3）It is fixed to be equipped with
Position groove（21）, locating slot（21）One equal dividing and positioning ring is installed（2）, equal dividing and positioning ring（2）With valve body（1）, telescopic（3）Phase
It is connected.
8. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 7, it is characterised in that：The equal dividing and positioning ring
（2）For divided ring.
9. ball valve built in the self-pressure-sealed upper dress formula of one kind according to claim 7, it is characterised in that：The valve deck（9）On
With valve rod（16）Between be equipped with filler（18）, filler（18）Top is equipped with hold-down grid（181）, the hold-down grid（181）It is logical
Cross fastener（182）With valve deck（9）It is fixedly connected, and compresses filler（18）, in fastener（182）With hold-down grid（181）It
Between be equipped with disc spring（183）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238128.7U CN207278921U (en) | 2017-09-26 | 2017-09-26 | Ball valve built in self-pressure-sealed upper dress formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238128.7U CN207278921U (en) | 2017-09-26 | 2017-09-26 | Ball valve built in self-pressure-sealed upper dress formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278921U true CN207278921U (en) | 2018-04-27 |
Family
ID=61981991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721238128.7U Active CN207278921U (en) | 2017-09-26 | 2017-09-26 | Ball valve built in self-pressure-sealed upper dress formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706694A (en) * | 2020-07-31 | 2020-09-25 | 湖北泰和石化设备有限公司 | Ultra-low temperature superhigh pressure upper assembling type self-sealing ball valve |
-
2017
- 2017-09-26 CN CN201721238128.7U patent/CN207278921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706694A (en) * | 2020-07-31 | 2020-09-25 | 湖北泰和石化设备有限公司 | Ultra-low temperature superhigh pressure upper assembling type self-sealing ball valve |
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