CN206274077U - A kind of stop valve of good airproof performance - Google Patents

A kind of stop valve of good airproof performance Download PDF

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Publication number
CN206274077U
CN206274077U CN201621418530.9U CN201621418530U CN206274077U CN 206274077 U CN206274077 U CN 206274077U CN 201621418530 U CN201621418530 U CN 201621418530U CN 206274077 U CN206274077 U CN 206274077U
Authority
CN
China
Prior art keywords
valve
bonnet
valve rod
valve body
airtight
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
CN201621418530.9U
Other languages
Chinese (zh)
Inventor
吴建春
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.)
Jiangsu Disen Valve Technology Co Ltd
Original Assignee
Jiangsu Disen Valve Technology Co Ltd
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 Jiangsu Disen Valve Technology Co Ltd filed Critical Jiangsu Disen Valve Technology Co Ltd
Priority to CN201621418530.9U priority Critical patent/CN206274077U/en
Application granted granted Critical
Publication of CN206274077U publication Critical patent/CN206274077U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of stop valve of good airproof performance,Including valve body,Bonnet and valve rod,The bonnet is threadably secured with valve body and is connected,The bonnet is provided with sealing rubber ring with the junction bottom of valve body,The bonnet is provided with pad with the junction top of valve body,The sealing rubber ring is arranged on valve inner,The pad is arranged on the top inner ring edge of valve body,The lower end of the valve rod is put in valve body through the bonnet,The middle part position on the lower side of the valve rod is provided with external screw thread,The valve rod is connected by screw thread with bonnet,Pressure cap is connected through a screw thread above the bonnet,The bonnet is provided with seal groove with the inside of pressure cap junction,The part that the valve rod is located at pressure cap is provided with trim ring,The trim ring is molded with valve-stem integrated,Airtight and watertight padding circle is provided with the pressure cap below trim ring,The airtight and watertight padding circle is arranged in seal groove.The utility model seals good waterproof performance, specious, is simple to manufacture.

Description

A kind of stop valve of good airproof performance
Technical field
The utility model is related to stop valve field, and in particular to a kind of stop valve of good airproof performance.
Background technology
Stop valve, is also pipe valve, is a kind of one of most popular valve, and why very popular it is, is due to opening Frictional force is small between sealing surface during closing, relatively durable, and Lift is less, easy to manufacture, easy to maintenance, is applicable not only to Mesolow, and suitable for high pressure.The closure principle of stop valve is, by valve stem pressure, makes valve clack sealing surface and valve base sealing Face is brought into close contact, and prevents flow of media.Valve plays the important function of cut-out and throttling to the medium in the pipeline where it, cuts Only valve blocks class valve as one kind is extremely important, and its sealing is to apply moment of torsion by valve rod, and valve rod is in the axial direction Apply pressure to flap, valve clack sealing surface is brought into close contact with sealing surface of seat, prevent gap of the medium between sealing surface from letting out Leakage.The sealing pair of stop valve is made up of valve clack sealing surface and sealing surface of seat, and valve rod drives flap to be hung down along the center line of valve seat Straight motion.Height is opened in stop valve opening-closing process smaller, be easy to the regulation of flow, and manufacture easy to maintenance, the pressure scope of application Extensively.
Existing some stop valves often occur the phenomenon for emitting water when in use, and this is close in bonnet due to stop valve Envelope property is bad and cause, and in order to solve to emit water problems, the surface of stop valve is wound using adhesive tape often, very not It is attractive in appearance, in order to solve these problems, we have proposed a kind of stop valve of good airproof performance.
Utility model content
The technical problems to be solved in the utility model is the defect for overcoming prior art, there is provided a kind of cut-off of good airproof performance Valve, the use in providing amenities for the people, the security that increase is used.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme:A kind of good airproof performance cut Only valve, including valve body, bonnet and valve rod, the bonnet are threadably secured with valve body and are connected, the connection of the bonnet and valve body Place bottom is provided with sealing rubber ring, and the bonnet is provided with pad with the junction top of valve body, and the sealing rubber ring is arranged on Valve inner, the pad is arranged on the top inner ring edge of valve body, and the lower end of the valve rod puts in valve through the bonnet In body, the middle part position on the lower side of the valve rod is provided with external screw thread, and the valve rod is connected by screw thread with bonnet, the bonnet it is upper Side is connected through a screw thread pressure cap, and the bonnet is provided with seal groove with the inside of pressure cap junction, and the valve rod is located at the portion of pressure cap Trim ring is arranged with, the trim ring is molded with valve-stem integrated, is provided with airtight and watertight padding circle, the sealing in the pressure cap below trim ring Insertion ring is arranged in seal groove.
Preferably, the valve rod bottom is fixedly connected flap, and the flap is formed in one with the valve rod, the valve rod Top is fixedly connected handwheel.
Preferably, the outside of the bonnet is provided with flanging, and the flanging is close on the pad of top end of the valve body, the pressure The diameter of side, pad and top end of the valve body is equal.
Preferably, the airtight and watertight padding circle is slidably connected on valve rod, and the inner ring of the airtight and watertight padding circle is close to valve rod Outer surface, the outer ring of the airtight and watertight padding circle is close to the inwall of seal groove, and the upper surface of the airtight and watertight padding circle is provided with spring.
The beneficial effect that the utility model is reached is:
The utility model increased sealing rubber ring in the junction of bonnet and valve body, can strengthen bonnet and is connected with valve body The sealing at place, seal groove is provided with the junction of bonnet and pressure cap, and airtight and watertight padding circle is provided with seal groove, can prevent stream Body medium is emerged from bonnet with the junction of pressure cap, further enhancing sealing water proofing property.
Brief description of the drawings
Accompanying drawing is used for providing being further understood to of the present utility model, and constitutes a part for specification, with this practicality New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of stop valve structure schematic diagram of good airproof performance of the present utility model;
In figure:1- valve bodies, 2- bonnets, 3- valve rods, 4- sealing rubber rings, 5- pads, 6- pressure caps, 7- trim rings, 8- sealings are filled out Feed ring, 9- flaps, 10- handwheels, 11- springs.
Specific embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in figure 1, a kind of stop valve of good airproof performance of the present embodiment, including valve body 1, bonnet 2 and valve rod 3, it is described Bonnet 2 is threadably secured with valve body 1 and is connected, and the bonnet 2 is provided with sealing rubber ring 4 with the junction bottom of valve body 1, described Bonnet 2 is provided with pad 5 with the junction top of valve body 1, and the sealing rubber ring 4 is arranged on inside valve body 1, and the pad 5 sets Put in the top inner ring edge of valve body 1, the lower end of the valve rod 3 is put in valve body 1 through the bonnet 2, the valve rod 3 Middle part position on the lower side is provided with external screw thread, and the valve rod 3 is connected by screw thread with bonnet 2, and the top of the bonnet 2 is connected by screw thread Pressure cap 6 is connect, the bonnet 2 is provided with seal groove with the inside of the junction of pressure cap 6, and the part that the valve rod 3 is located at pressure cap 6 is provided with pressure Circle 7, the trim ring 7 is integrally formed with valve rod 3, and the lower section of trim ring 7 is provided with airtight and watertight padding circle 8 in the pressure cap 6, and the sealing is filled out Feed ring 8 is arranged in seal groove.
The bottom of the valve rod 3 is fixedly connected flap 9, and the flap 9 is formed in one with the valve rod 3, and the valve rod 3 is pushed up End is fixedly connected handwheel 10, and the outside of the bonnet 2 is provided with flanging, and the flanging is close on the pad 5 on the top of valve body 1, institute The diameter for stating flanging, pad 5 and the top of valve body 1 is equal, and the airtight and watertight padding circle 8 is slidably connected on valve rod 3, the sealing The inner ring of insertion ring 8 is close to the outer surface of valve rod 3, and the inwall of seal groove is close in the outer ring of the airtight and watertight padding circle 8, described close The upper surface of packing feed ring 8 is provided with spring 11.
It should be noted that a kind of stop valve workflow of good airproof performance of the utility model is:The utility model is in valve Lid 2 increased sealing rubber ring 4 with the junction of valve body 1, can strengthen the sealing of bonnet 2 and the junction of valve body 1, in bonnet 2 are provided with seal groove with the junction of pressure cap 6, and airtight and watertight padding circle 8 is provided with seal groove, can prevent fluid media (medium) from bonnet 2 Junction with pressure cap 6 is emerged, and further enhancing sealing water proofing property.
Finally it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc., Should be included within protection domain of the present utility model.

Claims (4)

1. a kind of stop valve of good airproof performance, including valve body(1), bonnet(2)And valve rod(3), it is characterised in that:The bonnet (2)With valve body(1)It is threadably secured connection, the bonnet(2)With valve body(1)Junction bottom be provided with sealing rubber ring (4), the bonnet(2)With valve body(1)Junction top be provided with pad(5), the sealing rubber ring(4)It is arranged on valve body (1)Inside, the pad(5)It is arranged on valve body(1)Top inner ring edge, the valve rod(3)Lower end pass through the valve Lid(2)Put in valve body(1)In, the valve rod(3)Middle part position on the lower side be provided with external screw thread, the valve rod(3)By screw thread with Bonnet(2)Connection, the bonnet(2)Top be connected through a screw thread pressure cap(6), the bonnet(2)With pressure cap(6)Junction Inside is provided with seal groove, the valve rod(3)Positioned at pressure cap(6)Part be provided with trim ring(7), the trim ring(7)With valve rod(3)One It is body formed, the pressure cap(6)Interior trim ring(7)Lower section be provided with airtight and watertight padding circle(8), the airtight and watertight padding circle(8)It is arranged on close In sealing groove.
2. the stop valve of a kind of good airproof performance according to claim 1, it is characterised in that:The valve rod(3)Bottom is fixed Connection flap(9), the flap(9)With the valve rod(3)It is formed in one, the valve rod(3)Top is fixedly connected handwheel (10).
3. the stop valve of a kind of good airproof performance according to claim 1, it is characterised in that:The bonnet(2)Outside set There is flanging, the flanging is close to valve body(1)The pad on top(5)On, the flanging, pad(5)And valve body(1)Top it is straight Footpath is equal.
4. the stop valve of a kind of good airproof performance according to claim 1, it is characterised in that:The airtight and watertight padding circle(8)It is sliding It is dynamic to be connected to valve rod(3)On, the airtight and watertight padding circle(8)Inner ring be close to valve rod(3)Outer surface, the airtight and watertight padding circle (8)Outer ring be close to the inwall of seal groove, the airtight and watertight padding circle(8)Upper surface be provided with spring(11).
CN201621418530.9U 2016-12-22 2016-12-22 A kind of stop valve of good airproof performance Expired - Fee Related CN206274077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621418530.9U CN206274077U (en) 2016-12-22 2016-12-22 A kind of stop valve of good airproof performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621418530.9U CN206274077U (en) 2016-12-22 2016-12-22 A kind of stop valve of good airproof performance

Publications (1)

Publication Number Publication Date
CN206274077U true CN206274077U (en) 2017-06-23

Family

ID=59062612

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621418530.9U Expired - Fee Related CN206274077U (en) 2016-12-22 2016-12-22 A kind of stop valve of good airproof performance

Country Status (1)

Country Link
CN (1) CN206274077U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662236A (en) * 2018-07-14 2018-10-16 温州市欧睿阀门有限公司 It is a kind of can be with the shut-off valve of Fast Installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662236A (en) * 2018-07-14 2018-10-16 温州市欧睿阀门有限公司 It is a kind of can be with the shut-off valve of Fast Installation

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170623