CN207421767U - Pneumatic high temperature high pressure draining ball valve - Google Patents
Pneumatic high temperature high pressure draining ball valve Download PDFInfo
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- CN207421767U CN207421767U CN201721145310.8U CN201721145310U CN207421767U CN 207421767 U CN207421767 U CN 207421767U CN 201721145310 U CN201721145310 U CN 201721145310U CN 207421767 U CN207421767 U CN 207421767U
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Abstract
The utility model discloses a kind of Pneumatic high temperature high pressure draining ball valves, including stent, valve body, axis hole is provided on stent, the top of valve rod passes through axis hole, stem bottom is connected with the sphere, both sides are respectively equipped with medium entrance and media outlet in valve body, import valve seat is provided in the valve body of medium inlet one side and is provided with outlet valve seat in the valve body of media outlet one side, there are one groove bodies for outer surface setting at the position being connected on the valve body with stent, groove body is an arc groove, pneumatic head is connected on the top of stent, pneumatic head is connected by shaft coupling with the valve rod.Outer surface ramp type groove external form at the position that the utility model is connected on valve body with stent, welding when, can effectively reduce welding deformation, particularly post weld heat treatment when be able to protection valve；Limiting slot and the limiting device on stent on shaft coupling are set, the amplitude peak of opening and closing can be controlled, guarantee accurately to realize and fully opened and a fully close.
Description
Technical field
The present invention relates to valve field, more particularly to a kind of Pneumatic high temperature high pressure draining ball valve.
Background technology
Pneumatic ball valve is a kind of valving driven by air pressure, and operation principle is rotated using air pressure driving sphere,
Sphere has circular through hole, and when 90 degree of ball rotation, for through-bore axis with valve axis in 90 degree angles, sphere blocks runner, thus
Block fluid.But pneumatic ball valve currently on the market is primarily present following shortcoming：Existing pneumatic ball valve is in air pressure driving stem
When driving sphere rotation, the angle of rotation is all to go observation with human eye, but inevitable flicker misses when people's observation
Difference, such as when closing, it should it is to be rotated by 90 ° to be closed in place, is at this time to be fully sealed still, human eye is seen
It may be considered as completely closing to 89 ° when examining, similary open is also the same, therefore can cause can not be completely close
Envelope, influences normally to use.
The content of the invention
The purpose of the invention is to overcome the above problem, a kind of Pneumatic high temperature high pressure draining ball valve is provided.
In order to achieve the above objectives, the method that uses of the present invention is：A kind of Pneumatic high temperature high pressure draining ball valve, including stent,
Valve body, is provided with axis hole on the stent, and the top of the valve rod passes through the axis hole, stem bottom and the ball
Body connects, and both sides are respectively equipped with medium entrance and media outlet in the valve body, are provided in the valve body of medium inlet one side
Import valve seat is provided with outlet valve seat in the valve body of media outlet one side, the import valve seat and outlet valve seat respectively with ball
Two end faces of body are bonded to form metal-seated, and the outer surface at the position being connected on the valve body with stent is set
There are one groove body, the groove body is an arc groove, and pneumatic head, the pneumatic head are connected on the top of the stent
It is connected by shaft coupling with the valve rod.
As a modification of the present invention, also set up in the stent there are one limiting device, in the shaft coupling
On be provided with limitation shaft coupling be engaged with limiting slot with the matched limiting slot of the limiting device, the limiting device
Rotational angle；The limiting slot is one 1/4 circular groove body, and the limiting device is arranged on 1/4 circular trough
Body.
As a modification of the present invention, the shaft coupling include valve rod connecting portion, executing agency's connecting portion and in
Between link block, the intermediate link block is arranged between valve rod connecting portion and pneumatic head, and limiting slot is arranged on intermediate link block
Lower face on.
As a modification of the present invention, the outlet valve seat is provided with what a diameter became smaller close to media outlet one end
Step, be provided on the valve body with the matched stepped hole of the step of the outlet valve seat, on outlet valve seat step
The end face that end face b and valve body stepped hole fit, after reaching 1.6 μm using ramp numerical control (NC) Machining Accuracy, then using wool brush into
Row polishing finish reaches 0.2 μm, and the end face on valve body step is with the end face that valve seat stepped hole fits in mutual slight match grinding
Reach whole plane, realize sealing；Using interference fit, mistake between cylindrical surface a and valve body stepped hole on outlet valve seat step
The amount of being full of is more than the pressure test pressure of valve.
As a modification of the present invention, also set up in the medium entrance side of the valve body and be additionally provided with elastic component, adjust
A whole set of and baffle ring, the adjustment are set between elastic component and baffle ring, described elastic component one end and import valve seat
It compresses, the other end is compressed with adjusting sleeve, and described adjusting sleeve one end is compressed with elastic component, and the other end is compressed with baffle ring, described
Baffle ring is a takeup type baffle ring, and the takeup type baffle ring is arranged in back-up ring mounting groove, and compensates radial clearance automatically.
As a modification of the present invention, it is an axis hole between the stent and valve body, and is covered on the valve rod
Equipped with anti-flying barrel, the anti-flying barrel is arranged between boss and stent.
As a modification of the present invention, stuffing box is additionally provided on the valve rod, the stuffing box is sheathed on valve
It is fixedly mounted on the outside of bar and with valve body, the stuffing box includes Packing seat, filler, gland and hold-down grid, described
Packing seat, filler be arranged between valve rod and valve body, gland is sheathed on valve rod and pushes down Packing seat and filler, filler
Gland upper end is fixed by hold-down grid and bolt and nut, and disc spring is additionally provided between gland and hold-down grid.
As a modification of the present invention, fixed between the anti-flying barrel and the stent by pin, the pin
To roll heavy elastic cylindrical pin.
As a modification of the present invention, fluted, described disc spring is set to be arranged on institute on the hold-down grid
In the groove stated, the arcuate surface of disc spring is contacted with the upper surface of groove, the connecting flange on the inner concave and gland of disc spring
It is in contact.
Advantageous effect：
1st, the outer surface ramp type groove external form at the position being connected on valve body with stent, welding when, can be effective
Reduction welding deformation, particularly post weld heat treatment when be able to protection valve；2nd, by setting limiting slot and branch on shaft coupling
Limiting device on frame can control the amplitude peak of opening and closing, guarantee accurately to realize fully opened and a fully
It closes；3rd, by set at medium entrance end takeup type baffle ring replace it is original it is double open or pendant collet, 360 degree of supporting surface is not
Lug interference can be generated in the device, and without flash, load capacity of the Spiral wound multi-turn winding with high intensity screws in work
After part, radial clearance is compensated automatically；4th, the anti-flying barrel of whole flip-over type is effectively embedded in integral support, and there is the anti-of high intensity to fly
Function, can also play prevents valve rod from, to bias placement, special spray treatment, valve rod and whole flip-over type are being carried out to the workpiece
Anti- flying barrel, the anti-flying barrel of whole flip-over type and stent coefficient of friction reduce, so as to which valve torque reduces；5th, on outlet valve seat step
The end face that fits of end face b and valve body stepped hole, after reaching 1.6 μm using ramp numerical control (NC) Machining Accuracy, then using wool brush
It is polished finish and reaches 0.2 μm, the end face on valve body step is mutually slightly being matched somebody with somebody with the end face that valve seat stepped hole fits
Mill reaches whole plane, realizes sealing；Interference fit is used between cylindrical surface a and valve body stepped hole on outlet valve seat step,
Interference volume is more than the pressure test pressure of valve, makes the leakproofness between outlet valve seat and valve body stronger, and sealing is more firm, is not easy to let out
Dew；6th, heavy elastic cylindrical pin is rolled, when being packed into, meeting automatic expansion exists without any gap；7th, disc spring is installed additional to add
The flexibility of entire fastening system reduces the influence for because of filler creep or different heat expansion etc. bolt load under pretension condition being caused to relax,
The sealing performance at gland is improved, extends its service life.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram of shaft coupling and limiting device when the ball valve of the present invention is opened；
Fig. 3 is the structure diagram of shaft coupling and limiting device when the ball valve of the present invention is closed；
Fig. 4 is the A portions enlarged drawing of the present invention；
Fig. 5 is the B portions enlarged drawing of the present invention；
Fig. 6 is the mounting structure schematic diagram of the baffle ring of the present invention；
Fig. 7 is the structure diagram that the baffle ring of the present invention is installed in mounting groove；
Fig. 8 is the stereogram of the baffle ring of the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised under implemented, it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.
A kind of Pneumatic high temperature high pressure draining ball valve as shown in Fig. 1 to 5, including stent 21, valve body 7, described
Stent 21 on be provided with axis hole 19, the valve rod 15 passes through the axis hole 19, and passes through screw 13 and 26 phase of locating piece
Connection.15 bottom of valve rod is connected with the sphere 5, and both sides are respectively equipped with medium entrance and media outlet in the valve body 7,
Import valve seat 4 is provided in the valve body of medium inlet one side, outlet valve seat 6 is provided in the valve body of media outlet one side,
The import valve seat 4 and outlet valve seat 6 are bonded to form metal-seated with two end faces of sphere 5 respectively.The stent
Casting is integrated between 21 and valve body 7, stent 21 and 7 Integral die-forged of valve body are formed, intensity bear enough inside and out appoint
What loading force, service life can be consistent with body.
Pneumatic first 24, pneumatic first 24 are connected on the top of the stent 21, stent 21 is fixed on by link 27
On.Described pneumatic first 24 are connected by shaft coupling 25 with the valve rod 15, particularly pass through the company on shaft coupling 25
26 phase of locating piece that access slot is connected on valve rod 15 is fixed.Limiting device 22 there are one being also set up in the stent 21, /V
Device uses positioning screw.Be provided on the shaft coupling 25 with 22 matched limiting slot 23 of the limiting device,
The limiting device 22 is engaged the rotational angle of limitation shaft coupling 25 with limiting slot 23；The limiting slot 23 is one 1/
4 circular groove bodies, the limiting device 22 are arranged on the circular groove body in described 1/4.The shaft coupling 25 is connected including valve rod
Portion, executing agency's connecting portion and intermediate link block, the intermediate link block are arranged between valve rod connecting portion and pneumatic head,
Limiting slot 23 is arranged on the lower face of intermediate link block.By setting limiting slot 23 and the limit on stent 21 on shaft coupling 25
Position device 22 can control the amplitude peak of opening and closing（It is rotated by 90 ° unlatching and is rotated by 90 ° closing）Guarantee essence
It really realizes and fully opened and a fully closes.
There are one groove body, the slots for outer surface setting at the position being connected on the valve body 7 with stent 21
Body is an arc groove 17, the outer surface ramp type groove external form at the position being connected on valve body with stent, welding when
Time can effectively reduce welding deformation, and protection valve is able to when being particularly post weld heat treatment.
The outlet valve seat 6 is provided with the step that a diameter becomes smaller close to media outlet one end, on the valve body 7
It is provided with the matched stepped hole of the step of the outlet valve seat 6, end face b and valve body stepped hole phase on outlet valve seat step
The end face of fitting after reaching 1.6 μm using ramp numerical control (NC) Machining Accuracy, then is polished finish using wool brush and reaches 0.2 μ
M, the end face on valve body step reach whole plane in mutual slight match grinding with the end face that valve seat stepped hole fits, realize and seal；
The pressure testing pressure of valve is more than using interference fit, interference volume between cylindrical surface a and valve body stepped hole on outlet valve seat step
Power.
It is also set up in the medium entrance side of the valve body 7 and is additionally provided with elastic component 3, adjusting sleeve 2 and baffle ring 1, the bullet
Property part 3 be preferably selected disc spring, the adjusting sleeve 2 is arranged between elastic component 3 and baffle ring 1, described 3 one end of elastic component with
Import valve seat 4 compresses, and the other end is compressed with adjusting sleeve 2, and described 2 one end of adjusting sleeve is compressed with elastic component 3, the other end and baffle ring
1 compresses, and the baffle ring 1 is a takeup type baffle ring, and the takeup type baffle ring is arranged in back-up ring mounting groove, and is mended automatically
Repay radial clearance.By set at medium entrance end takeup type baffle ring replace it is original it is double open or pendant collet, 360 degree of support
Face will not generate lug interference in the device, without flash, load capacity of the Spiral wound multi-turn winding with high intensity, rotation
After entering workpiece, radial clearance is compensated automatically.
Be arranged with anti-flying barrel 12 on the valve rod 15, the anti-flying barrel 12 be arranged on boss 20 and stent 21 it
Between.It is fixed between the anti-flying barrel 12 and the stent 21 by pin, the pin is to roll heavy elastic cylindrical pin 14.
Heavy elastic cylindrical pin 14 is when being packed into, meeting automatic expansion, without any gap so that anti-flying barrel 12 is fixed with stent 21
It is firm.The anti-flying barrel 12 is an overall structure, and the effective embedded integral support of the whole anti-flying barrel 12 of flip-over type has height
The anti-chikung energy of intensity, can also play prevents valve rod to bias placement.
In the valve rod 15 spray treatment is carried out with the place that anti-flying barrel 12, anti-flying barrel 12 are contacted with stent 21.
Special spray treatment, valve rod flying barrel anti-with whole flip-over type, the anti-flying barrel of whole flip-over type and stent friction are carried out to the workpiece
Coefficient reduces, so as to which valve torque reduces.
Stuffing box is additionally provided on the valve rod 15, the stuffing box is sheathed on 15 outside of valve rod and consolidates with valve body 7
Dingan County fill, the stuffing box include Packing seat 8, filler 16, gland 9 and hold-down grid 10, the Packing seat 8,
Filler 16 is arranged between valve rod 15 and valve body 7, and gland 9 is sheathed on valve rod 15 and pushes down Packing seat 8 and filler 16, fills out
9 upper end of material gland is fixed by hold-down grid 10 and bolt and nut 11, is additionally provided between gland 9 and hold-down grid 10
Disc spring 18.
Fluted, described disc spring 18 is set to be arranged in the groove on the hold-down grid 10, disc spring 18
Arcuate surface contacted with the upper surface of groove, the inner concave of disc spring 18 is in contact with the connecting flange on gland 9.In order to increase
Add the elasticity of disc spring 18, can be used in parallel by two disc springs 18, the inner concave of two disc springs 18 is in contact, two arcuate surfaces
It is in contact respectively with the connecting flange on the upper surface of groove and gland 9.
The establishment of 16 anti-extrusion graphite of filler plus inconel silk packing ring in the present embodiment, it is micro- can to meet API622
Leakage requirement, wear-resistant, heatproof high temperature can reach 650 degree.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
Formed technical solution is combined by more than technical characteristic.
Claims (9)
1. a kind of Pneumatic high temperature high pressure draining ball valve, including stent（21）, valve body（7）, in the stent（21）On be provided with
Axis hole（19）, valve rod（15）Top pass through the axis hole（19）, valve rod（15）Bottom and sphere（5）Connection, the valve body
（7）Interior both sides are respectively equipped with medium entrance and media outlet, and import valve seat is provided in the valve body of medium inlet one side（4）
Outlet valve seat is provided in the valve body of media outlet one side（6）, the import valve seat（4）And outlet valve seat（6）Respectively with ball
Body（5）Two end faces be bonded to form metal-seated, it is characterised in that：In the valve body（7）Upper and stent（21）It is connected
Outer surface at the position connect is set there are one groove body, and the groove body is an arc groove（17）, in the stent（21）
Top be connected with pneumatic head（24）, the pneumatic head passes through shaft coupling（25）With the valve rod（15）It is connected.
2. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 1, it is characterised in that：In the stent（21）
Limiting device there are one also setting up（22）, in the shaft coupling（25）On be provided with and the limiting device（22）It is engaged
Limiting slot（23）, the limiting device（22）With limiting slot（23）It is engaged limitation shaft coupling（25）Rotational angle；Institute
The limiting slot stated（23）For one 1/4 circular groove body, the limiting device（22）It is arranged on the circular groove body in described 1/4.
3. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 2, it is characterised in that：The shaft coupling（25）
Valve rod connecting portion is arranged on including valve rod connecting portion, executing agency's connecting portion and intermediate link block, the intermediate link block
Between pneumatic head, limiting slot（23）It is arranged on the lower face of intermediate link block.
4. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 1 or 2, it is characterised in that：The outlet valve
Seat（6）Media outlet one end is provided with the step that a diameter becomes smaller, in the valve body（7）On be provided with and the outlet valve
Seat（6）The matched stepped hole of step, the end face that end face b on outlet valve seat step fits with valve body stepped hole is adopted
After reaching 1.6 μm with ramp numerical control (NC) Machining Accuracy, then finish is polished using wool brush and reaches 0.2 μm, on valve body step
The end face that fits of end face and valve seat stepped hole reach whole plane in mutual slight match grinding, realize and seal；Outlet valve seat step
On cylindrical surface a and valve body stepped hole between using interference fit, interference volume be more than valve pressure test pressure.
5. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 1 or 2, it is characterised in that：In the valve body
（7）Medium entrance side also set up and be additionally provided with elastic component（3）, adjusting sleeve（2）And baffle ring（1）, the adjusting sleeve（2）If
It puts in elastic component（3）And baffle ring（1）Between, the elastic component（3）One end and import valve seat（4）It compresses, the other end is with adjusting
It is a whole set of（2）It compresses, the adjusting sleeve（2）One end and elastic component（3）It compresses, the other end and baffle ring（1）It compresses, the baffle ring
（1）For a takeup type baffle ring, the takeup type baffle ring is arranged in back-up ring mounting groove, and compensates radial clearance automatically.
6. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 1 or 2, it is characterised in that：The stent
（21）With valve body（7）Between be an axis hole（19）, and in the valve rod（15）On be arranged with anti-flying barrel（12）, described is anti-winged
Ring（12）It is arranged on boss（20）With stent（21）Between.
7. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 1 or 2, it is characterised in that：In the valve rod
（15）On be additionally provided with stuffing box, the stuffing box is sheathed on valve rod（15）Outside and and valve body（7）It is fixedly mounted, described fills out
Hopper includes Packing seat（8）, filler（16）, gland（9）And hold-down grid（10）, the Packing seat（8）, filler
（16）It is arranged on valve rod（15）With valve body（7）Between, gland（9）It is sheathed on valve rod（15）And by Packing seat（8）And filler
（16）It pushes down, gland（9）Upper end passes through hold-down grid（10）And bolt and nut（11）It is fixed, in gland（9）With filling out
Expect pressing plate（10）Between be additionally provided with disc spring（18）.
8. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 6, it is characterised in that：The anti-flying barrel（12）
With the stent（21）Between fixed by pin, the pin is rolls heavy elastic cylindrical pin（14）.
9. a kind of Pneumatic high temperature high pressure draining ball valve according to claim 7, it is characterised in that：In the hold-down grid
（10）It is upper that fluted, described disc spring is set（18）It is arranged in the groove, disc spring（18）Arcuate surface and groove it is upper
End contact, disc spring（18）Inner concave and gland（9）On connecting flange be in contact.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145310.8U CN207421767U (en) | 2017-09-08 | 2017-09-08 | Pneumatic high temperature high pressure draining ball valve |
| PCT/CN2017/111999 WO2019047377A1 (en) | 2017-09-08 | 2017-11-21 | Pneumatic high-temperature high-pressure water-repellent ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145310.8U CN207421767U (en) | 2017-09-08 | 2017-09-08 | Pneumatic high temperature high pressure draining ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421767U true CN207421767U (en) | 2018-05-29 |
Family
ID=62315741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721145310.8U Active CN207421767U (en) | 2017-09-08 | 2017-09-08 | Pneumatic high temperature high pressure draining ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421767U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388018A (en) * | 2017-09-08 | 2017-11-24 | 江苏科维仪表控制工程有限公司 | Pneumatic high temperature high pressure draining ball valve |
| CN108895177A (en) * | 2018-09-13 | 2018-11-27 | 洛阳三旋特种阀门有限公司 | A kind of wear resistance ball valve applied to coke drum gasoline adsorption device |
| WO2019047916A1 (en) * | 2017-09-08 | 2019-03-14 | 江苏科维仪表控制工程有限公司 | Manual high-temperature and high-pressure hydrophobic ball valve having superior sealing property |
-
2017
- 2017-09-08 CN CN201721145310.8U patent/CN207421767U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388018A (en) * | 2017-09-08 | 2017-11-24 | 江苏科维仪表控制工程有限公司 | Pneumatic high temperature high pressure draining ball valve |
| WO2019047916A1 (en) * | 2017-09-08 | 2019-03-14 | 江苏科维仪表控制工程有限公司 | Manual high-temperature and high-pressure hydrophobic ball valve having superior sealing property |
| CN108895177A (en) * | 2018-09-13 | 2018-11-27 | 洛阳三旋特种阀门有限公司 | A kind of wear resistance ball valve applied to coke drum gasoline adsorption device |
| CN108895177B (en) * | 2018-09-13 | 2023-07-07 | 洛阳三旋智能装备有限公司 | Wear-resistant ball valve applied to coke tower gasoline adsorption device |
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