CN203035988U - High-pressure flat gate valve - Google Patents

High-pressure flat gate valve Download PDF

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Publication number
CN203035988U
CN203035988U CN 201320013886 CN201320013886U CN203035988U CN 203035988 U CN203035988 U CN 203035988U CN 201320013886 CN201320013886 CN 201320013886 CN 201320013886 U CN201320013886 U CN 201320013886U CN 203035988 U CN203035988 U CN 203035988U
Authority
CN
China
Prior art keywords
valve
valve plate
plate
supporting sleeve
high pressure
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
Application number
CN 201320013886
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Chinese (zh)
Inventor
李原华
张睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YINGKOU ACE WITT VALVE CO., LTD.
Original Assignee
李原华
张睿
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李原华, 张睿 filed Critical 李原华
Priority to CN 201320013886 priority Critical patent/CN203035988U/en
Application granted granted Critical
Publication of CN203035988U publication Critical patent/CN203035988U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a high-pressure flat gate valve which comprises a valve body and a valve cover which are connected through a pipeline, a containing space is formed by the valve body and the valve cover, valve plates, a spring and a valve plate support sleeve capable of being lifted in the containing space are arranged in the containing space, the valve plates are arranged at two ends of the valve plate support sleeve and connected with a valve body inlet and a valve body outlet through a valve base, the top of the valve plate support sleeve is connected with a valve rod through a T-shaped groove, and the valve rod penetrates through the valve cover; and the valve plate support sleeve can drive the valve plate to be lifted so as to form a switch between the valve body inlet and the valve body outlet. The high-pressure flat gate valve is reasonable in structure and obvious in effect and facilitates popularization and application in the field of gate valves.

Description

The high pressure plate valve
Technical field
The utility model relates to a kind of high pressure plate valve that uses in the high-pressure liquid pipeline of carrying, particularly the fluid in a kind of restrained line flows, just can constrain fluids flow with little driving force, and make and open and close easily, and the high-pressure liquid cutting-off valve with wiper seal self compensation function.
Background technique
Valve is the flow of streaming flow in the confinement tube, the parts of pressure.Be divided into cutting-off valve with the application purpose difference, check valve and pressure loading valve etc.
Above-mentioned cutting-off valve is to cut off fluid to flow, and shutoff valve is arranged.The valve body two ends of shutoff valve are that fluid is gone into, exported, and going into, go out portion is flange.On the inherent horizontal center line of valve body seal valve seat is set, the sealed member on valve seat top is valve plate, and the valve plate upper convex portion is connected with valve rod, and sealings such as " O " type circle, filler, polytetrafluoro are adopted in sealing place in the valve.Valve rod top is connected with handwheel with screw thread, and during rotation hand wheel, valve plate produces ascending, descending with valve rod, forms opening or closing of shutoff valve.
Another kind of cutting-off valve is gate valve, and the valve body two ends are going into, exporting of fluid, goes into, export department is flange.Valve inner is containing space, and closure member is set in the containing space.Closure member is a valve plate cover, two flashboards.The containing space two ends arrange seam, melting welding valve seat on the seam.Closure member is used with valve rod and is threaded, the handwheel that is threaded on valve rod top.Rotate handwheel, closure member produces ascending, descending with valve rod, and gate valve is opened or closed.
Summary of the invention
The model utility purpose: the utility model provides a kind of high pressure plate valve, its objective is to solve existing gate valve valve plate owing to selecting for use cylindrical spring to make excessive problem and the not good problem of sealing that body size is increased of paddle sizes.
Technological scheme: the utility model is achieved through the following technical solutions:
A kind of high pressure plate valve, comprise and the valve body that is connected with pipeline and valve gap, valve body and valve gap form containing space, it is characterized in that: in this containing space, be provided with valve plate, spring and valve plate supporting sleeve that can lifting in containing space, valve plate is arranged on the two ends of valve plate supporting sleeve, valve plate is imported and exported with valve body by valve seat and is linked to each other, and the top of valve plate supporting sleeve is connected with valve rod by T type groove, and valve rod passes valve gap; Thereby the valve plate supporting sleeve can drive the valve plate lifting with forming switch between valve body entrance and outlet.
The valve plate supporting sleeve is provided with the hole that the valve plate for two ends connects each other, and the valve plate at valve plate supporting sleeve two ends connects by this hole, is provided with the dish spring that valve is carried out initial sealing between two valve plates.
The dish spring utilizes alignment pin to link together.
At valve plate supporting sleeve top the valve plate locating clip is set, the valve plate locating clip blocks the valve plate at two ends at the top, utilizes valve plate locating clip restriction valve plate axial freedom.
The top of valve plate supporting sleeve is provided with positioning hole, and stem bottom is provided with positioning shaft, is connected between positioning hole and the positioning shaft.
Valve body and valve seat are the integral structure of no soldering point.
Pressure valve bonnet seal place is provided with the high-density graphite packing ring.
Advantage and effect: the utility model provides a kind of high pressure plate valve, and the utility model can make the coaxality of flashboard assurance flashboard in closing closed procedure, can improve the intensity as a result of valve plate supporting sleeve, can improve the reliability of wiper seal valve gap place sealing.
By the enforcement of technical solutions of the utility model, the valve rod Problem of Failure that cause owing to screw strength can fine solution existing gate valve valve plate and valve rod joint, thereby the working life of having improved valve rod.The utility model dish spring and dish spring bearing pin the size that has changed original valve valve plate is set, thereby reduce the size of valve body; The damping of dish spring and buffering ability are stronger than damping and the buffering ability of common cylinder spring in addition, can reduce vibration in the valve plate opening-closing process.The arranging of the utility model valve plate locating clip limited the axial freedom between two parallel flashboards, makes valve plate become easier in installation process.The arranging of the utility model valve plate supporting sleeve top positioning hole and stem bottom positioning shaft guaranteed valve plate in closing closed procedure with the coaxality of lumen, and then guarantee the reliability of closing.The utility model valve body and valve seat is integral type, does not need welding, and valve internal does not have leak source.The utility model wiper seal valve gap place selects the high purity graphite gasket ring for use, guarantees the reliability of sealability.
Description of drawings:
Fig. 1 is the surface structure schematic representation of the utility model high pressure plate valve;
Fig. 2 is the assembly structure schematic representation of the utility model high pressure plate valve;
Fig. 3 is the valve rod joint structural representation of the utility model high pressure plate valve;
Fig. 4 is the valve rod joint structural representation of the high pressure plate valve of background technique;
Fig. 5 is dish spring and the pin shaft structure schematic representation of the application's high pressure plate valve;
Fig. 6 is background technique plate valve spring schematic representation;
Fig. 7 is the spring schematic representation of the application's high pressure plate valve;
Among the figure: 01. valve body; 02. valve gap; 04. valve plate; 05. valve plate supporting sleeve; 06. dish spring; 07. bearing pin; 08. valve plate locating clip; 09. valve rod; 10. seal ring; 11. filler gasket ring; 12. positioning ring; 13,14. valve gap pretension crab bolt nuts; 15. valve gap pretension plate; 16. pole; 17. filler gasket ring; 18. filler; 19. Gland; 20. follower flange; 21. gland stud nut; 22. Stem Mut; 23. flat key; 24. bearing; 25. connect the valve snail bolt; 26. pretension bolt; 27, limiting board, 28. limiting board bolt and nuts.29, handwheel; 30, connect the dish flange.
Mode of execution:Below in conjunction with accompanying drawing the utility model is done nearly step explanation:
As shown in Figure 1, the utility model provides a kind of high pressure plate valve, the valve body 01 that comprises and be connected with pipeline and valve gap 02, valve body 01 forms containing space with valve gap 02, be provided with valve plate 04, spring and valve plate supporting sleeve 05 that can lifting in containing space in this containing space, valve plate 04 is arranged on the two ends of valve plate supporting sleeve 05, and valve plate 04 is imported and exported with valve body by valve seat and linked to each other, the top of valve plate supporting sleeve 05 is connected with valve rod 09 by T type groove, and valve rod 09 passes valve gap 02; Thereby valve plate supporting sleeve 05 can drive valve plate 04 lifting with forming switch between valve body entrance and outlet.
Valve plate supporting sleeve 05 is provided with the hole that the valve plate 04 for two ends connects each other, and the valve plate 04 at valve plate supporting sleeve 05 two ends connects by this hole, is provided with the dish spring that valve is carried out initial sealing between two valve plates.
Dish spring 06 utilizes alignment pin 7 to link together.
At valve plate supporting sleeve 05 top valve plate locating clip 08 is set, valve plate locating clip 08 blocks the valve plate at two ends at the top, utilizes valve plate locating clip restriction valve plate axial freedom.
The top of valve plate supporting sleeve is provided with positioning hole, and stem bottom is provided with positioning shaft, is connected restriction valve plate degrees of freedom between positioning hole and the positioning shaft.
Valve body and valve seat are the integral structure of no soldering point.
Pressure valve bonnet seal place is provided with the high-density graphite packing ring.
Specifically, as accompanying drawing 2, shown in 3, the utility model provides a kind of high pressure plate valve, the valve body 01 that the pipeline that it mainly comprises with the fluid levels direction flows is connected, above-mentioned valve body 01 is connected its interior containing space that forms of back with valve gap 02, valve plate supporting sleeve 05 is set in the containing space, valve plate supporting sleeve 5 both sides arrange two parallel valve plates 04, between the two parallel valve plates 04 dish spring 06 and bearing pin 07 are set, valve plate 04 contacts with the sliding sealing surface of valve seat, valve plate supporting sleeve 05 can lifting in containing space, valve rod 09 bottom is connected with the T type hole on valve plate supporting sleeve 05 top, top is connected with drive unit, and drive unit makes valve plate supporting sleeve 05 rise at the sliding sealing surface of valve seat by valve rod 09, fall, between fluid input and outlet, form switch.
As shown in Figure 3, valve rod 09 bottom arranges positioning shaft and cooperates with the positioning hole that valve plate supporting sleeve 05 top arranges, guarantee the coaxality of valve plate supporting sleeve and valve rod, prevent that the valve plate supporting sleeve from prolonging the fluid flow direction swing in lifting process, can guarantee the reliability of valve closing, prevent from closing and make valve plate dislocation make valve closing not tight.
Valve plate locating clip 08 is set fixes two parallel valve plates 04, valve plate 04 is in the middle of valve rod 09 lifting process middle and lower part is in two valve seats all the time, so its underpart does not need extra fixing, if but the degrees of freedom of its valve plate fluid flow direction is limited on top without the valve plate locating clip, cause valve plate in opening-closing process, to come off so easily, cause valve invalidation.
Dish spring 06 as shown in Figure 4 and the setting of bearing pin 07 can reduce the size of conventional valves valve plate, and then reduce the size of valve body, and can provide bigger initial sealing power, bearing pin 07 can limit the radially degrees of freedom of dish spring 06, can make the decrement of dish spring reach maximum, the power that has guaranteed the dish spring can be applied on two parallel valve plates, can make the dish spring that valve plate is formed initial sealing.
Valve body 01 as shown in Figure 2 is solid forging with valve seat, does not need welding seat, reduces the interior leakage of weld and causes valve closing not tight.
Gasket ring 11 materials as shown in Figure 2 are the pure graphite of high density, and the applications in high temperature and frequent temperature cycles variation makes its sealing more reliable.
The utility model is rational in infrastructure, and effect is obvious, is beneficial in the gate valve field to apply.

Claims (7)

1. high pressure plate valve, comprise and the valve body that is connected with pipeline (1) and valve gap (2), valve body (1) forms containing space with valve gap (2), it is characterized in that: in this containing space, be provided with valve plate (4), spring and valve plate supporting sleeve (5) that can lifting in containing space, valve plate (4) is arranged on the two ends of valve plate supporting sleeve (5), valve plate (4) is imported and exported with valve body by valve seat and is linked to each other, the top of valve plate supporting sleeve (5) is connected with valve rod (9) by T type groove, and valve rod (9) passes valve gap (2); Valve plate supporting sleeve (5) can drive valve plate (4) thereby lifting forms switch with the valve body entrance and between exporting.
2. high pressure plate valve according to claim 1, it is characterized in that: valve plate supporting sleeve (5) is provided with the hole that the valve plate (4) for two ends connects each other, the valve plate (4) at valve plate supporting sleeve (5) two ends connects by this hole, is provided with the dish spring that valve is carried out initial sealing between two valve plates.
3. high pressure plate valve according to claim 2, it is characterized in that: dish spring (6) utilizes alignment pin (7) to link together.
4. high pressure plate valve according to claim 1, it is characterized in that: at valve plate supporting sleeve (5) top valve plate locating clip (8) is set, valve plate locating clip (8) blocks the valve plate at two ends at the top, utilizes valve plate locating clip restriction valve plate axial freedom.
5. high pressure plate valve according to claim 1, it is characterized in that: the top of valve plate supporting sleeve is provided with positioning hole, and stem bottom is provided with positioning shaft, is connected between positioning hole and the positioning shaft.
6. high pressure plate valve according to claim 1 is characterized in that: valve body and valve seat are the integral structure of no soldering point.
7. high pressure plate valve according to claim 1, it is characterized in that: pressure valve bonnet seal place is provided with the high-density graphite packing ring.
CN 201320013886 2013-01-11 2013-01-11 High-pressure flat gate valve Expired - Fee Related CN203035988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320013886 CN203035988U (en) 2013-01-11 2013-01-11 High-pressure flat gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320013886 CN203035988U (en) 2013-01-11 2013-01-11 High-pressure flat gate valve

Publications (1)

Publication Number Publication Date
CN203035988U true CN203035988U (en) 2013-07-03

Family

ID=48688117

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320013886 Expired - Fee Related CN203035988U (en) 2013-01-11 2013-01-11 High-pressure flat gate valve

Country Status (1)

Country Link
CN (1) CN203035988U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062427A (en) * 2013-01-11 2013-04-24 李原华 High-pressure flat gate valve
CN104896113A (en) * 2015-04-28 2015-09-09 山东菲特自控阀门制造有限公司 Novel serially-connected blowdown valve
CN106224576A (en) * 2016-08-29 2016-12-14 约翰斯顿流体科技(无锡)有限公司 A kind of control valve with current-limiting function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062427A (en) * 2013-01-11 2013-04-24 李原华 High-pressure flat gate valve
CN104896113A (en) * 2015-04-28 2015-09-09 山东菲特自控阀门制造有限公司 Novel serially-connected blowdown valve
CN106224576A (en) * 2016-08-29 2016-12-14 约翰斯顿流体科技(无锡)有限公司 A kind of control valve with current-limiting function

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Free format text: FORMER OWNER: LIU ZHIHUI

Effective date: 20140213

Owner name: YINGKOU AIWEISITE VALVE CO., LTD.

Free format text: FORMER OWNER: YUAN XIANGDONG

Effective date: 20140213

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 110002 SHENYANG, LIAONING PROVINCE TO: 115000 YINGKOU, LIAONING PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20140213

Address after: 115000, No. 145, Xinxing street, West District, Liaoning, Yingkou

Patentee after: YINGKOU ACE WITT VALVE CO., LTD.

Address before: 110002 room 109, 608 North Street, Heping District, Liaoning, Shenyang, Nanjing

Patentee before: Li Yuanhua

Patentee before: Zhang Rui

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130703

Termination date: 20190111

CF01 Termination of patent right due to non-payment of annual fee