CN206246702U - A kind of two-way butterfly valve - Google Patents

A kind of two-way butterfly valve Download PDF

Info

Publication number
CN206246702U
CN206246702U CN201621381574.9U CN201621381574U CN206246702U CN 206246702 U CN206246702 U CN 206246702U CN 201621381574 U CN201621381574 U CN 201621381574U CN 206246702 U CN206246702 U CN 206246702U
Authority
CN
China
Prior art keywords
valve
valve rod
butterfly
valve body
valve seat
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.)
Active
Application number
CN201621381574.9U
Other languages
Chinese (zh)
Inventor
项光明
项承华
项林华
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.)
Dili Valve Technology Co.,Ltd.
Original Assignee
Zhejiang Dili Valve Polytron Technologies Inc
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 Zhejiang Dili Valve Polytron Technologies Inc filed Critical Zhejiang Dili Valve Polytron Technologies Inc
Priority to CN201621381574.9U priority Critical patent/CN206246702U/en
Application granted granted Critical
Publication of CN206246702U publication Critical patent/CN206246702U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of two-way butterfly valve, including valve body, the bottom of the valve body is provided with bottom, valve seat is installed at the top of the valve body, and sealing ring is provided between valve body and valve seat, the valve seat is connected by studs with drive device, the two ends of the studs are threaded with nut, valve rod is provided with the valve body, one end of the valve rod with drive device is connected through valve seat and by key, and valve rod is provided with support with the junction of valve seat and drive device, the other end of the valve rod is against on bottom, butterfly plate is installed on the valve rod, and pass through pin connection between valve rod and butterfly plate, the side of the butterfly plate is provided with pressing plate.The utility model, can reach the effect of two way seal, and flow resistance is small, being capable of bidirectional bearing, it is easy to the transmitted in both directions of filler, and sealing structure is constituted by sealing ring, valve seat and O circles, changes the sealing structure of traditional valve body, triple seal, increase sealing property, long lifespan uses reliability.

Description

A kind of two-way butterfly valve
Technical field
The utility model is related to butterfly valve equipment technical field, specially a kind of two-way butterfly valve.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve of simple structure, can be used for the switch control of low pressure pipeline filler It is disk that butterfly valve refers to closure member, reaches a kind of valve of open and close around valve shaft rotation, valve can be used to controlling air, The flowing of all kinds fluids such as water, steam, various corrosivity fillers, mud, oil product, liquid metal and radioactivity filler. Main on pipeline to play cut-out and throttling action, existing butterfly valve is typically all unidirectional, only adapts to the filler flowing of single direction, its Mainly be made up of valve body, butterfly plate and valve rod, leave fit-up gap between butterfly plate and valve rod and valve rod and valve body between, butterfly plate to Departing from the mobile of valve seat direction will cause sealing surface at upper lower valve rod than drops, thus produce this leakage be it is inevitable, And because its butterfly plate is one block of steel plate, it is had certain rigidity, it is necessary to have enough thickness, which thereby enhance butterfly plate Weight, increases the production cost of butterfly plate, while the streamline of butterfly plate is also undesirable, flow resistance is big, once in addition, valve rod is destroyed, Deep-etching, volatile and poisonous and hazardous processing medium are leaked out from control valve valve rod, and surrounding enviroment and the person can be pacified Serious consequence is brought entirely.
Utility model content
The purpose of this utility model is to provide a kind of two-way butterfly valve, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme:A kind of two-way butterfly valve, including valve body, it is described The bottom of valve body is provided with bottom, is provided with the top of the valve body and sealing ring is provided between valve seat, and valve body and valve seat, described Valve seat is connected by studs with drive device, and the two ends of the studs are threaded with nut, in the valve body Valve rod is provided with, one end of the valve rod with drive device is connected through valve seat and by key, and valve rod and valve seat and drive device Junction support is installed, the other end of the valve rod is against on bottom, and butterfly plate, and valve rod and butterfly are provided with the valve rod By pin connection between plate, the side of the butterfly plate is provided with pressing plate.
Preferably, the valve rod is provided with bushing with valve body junction.
Preferably, the valve rod is provided with pad with the junction of bottom.
Preferably, the side of the drive device is provided with and filler is filled with gland, the support.
Preferably, connected by the first soket head cap screw between the valve body and bottom.
Preferably, connected by the second hexagon socket head cap screw between the pressing plate and butterfly plate.
Preferably, 0 type circle is provided between the sealing ring and valve seat.
Preferably, the drive device can be air motor, fluid motor or electro-motor.
Preferably, corrugated stainless steel tubing is welded with the outside of the valve rod, breast is provided with the outside of the corrugated stainless steel tubing Shellac varnish anti-corrosive coating layer.
Compared with prior art, the beneficial effects of the utility model are:The utility model, by what is be provided with valve body two ends Valve seat and bottom, can reach the effect of two way seal, and flow resistance is small, can bidirectional bearing, be easy to the transmitted in both directions of filler, and by Sealing ring, valve seat and O circles constitute sealing structure, change the sealing structure of traditional valve body, and triple seal increases sealing Can, long lifespan, using reliability, simple structure is aesthetic in appearance, by the pressing plate being provided with butterfly plate side, is ensureing that butterfly plate is strong The weight and production cost of butterfly plate are reduced while degree and rigidity, while butterfly plate outer surface can also be made to be in certain streamline Shape, advantageously reduces flow resistance, by the corrugated stainless steel tubing being welded with the outside of valve rod, when can effectively prevent valve rod from damaging, Deep-etching, volatile and poisonous and hazardous filler are leaked out from valve body, and surrounding enviroment and personal safety can be brought seriously Consequence, by the emulsion paint anti-corrosive coating layer being provided with the outside of corrugated stainless steel tubing, with the high temperature resistant, anticorrosion perfected And anti-permeability, can effectively prevent corrugated stainless steel tubing to be corroded damage, extend service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is stem structure schematic diagram of the present utility model;
Fig. 3 is corrugated stainless steel tubing structural representation of the present utility model.
In figure:1- bottoms;The soket head cap screws of 2- first;3- pads;4- bushings;5- valve rods;6- valve bodies;7- butterfly plates;8- is pressed Plate;The soket head cap screws of 9- second;10- sells;11- sealing rings;12- valve seats;13- fillers;14- studs;15- nuts;16- branch Frame;17- glands;18- keys;19- drive devices.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-3, a kind of embodiment that the utility model is provided:A kind of two-way butterfly valve, including valve body 6, valve body 6 Bottom is provided with bottom 1, and the top of valve body 6 is provided with valve seat 12, and valve seat 12 and bottom 1 can reach the effect of two way seal, Flow resistance is small, can bidirectional bearing, be easy to the transmitted in both directions of filler, be provided with sealing ring 11 between valve body 6 and valve seat 12, valve seat 12 leads to Cross studs 14 to be connected with drive device 19, the two ends of studs 14 are threaded with nut 15, valve body 6 and are provided with valve rod 5, one end of valve rod 5 with drive device 19 is connected through valve seat 12 and by key 18, and valve rod 5 and valve seat 12 and drive device 19 Junction support 16 is installed, the other end of valve rod 5 is against on bottom 1, and butterfly plate 7, and valve rod 5 and butterfly are provided with valve rod 5 Connected by pin 10 between plate 7, the side of butterfly plate 7 is provided with pressing plate 8, reduced while 7 strength and stiffness of butterfly plate are ensured The weight and production cost of butterfly plate 7, while the outer surface of butterfly plate 7 can also be made in certain streamlined, advantageously reduce flow resistance, valve Bar 5 is provided with bushing 4 with the junction of valve body 6, and valve rod 5 is provided with pad 3 with the junction of bottom 1, and the side of drive device 19 is installed Have and filler 13 is filled with gland 17, support 16, connected by the first soket head cap screw 2 between valve body 6 and bottom 1, press Connected by the second soket head cap screw 9 between plate 8 and butterfly plate 7, O-ring is provided between sealing ring 11 and valve seat 12, by sealing ring 11st, valve seat 12 and O circles constitute sealing structure, change the sealing structure of traditional valve body 6, and triple seal increases sealing Can, long lifespan, using reliability, simple structure is aesthetic in appearance, and drive device 19 can be air motor, fluid motor or electronic horse Reach, the outside of valve rod 5 is welded with corrugated stainless steel tubing 20, it is deep-etching, volatile and poisonous when can effectively prevent valve rod from damaging Harmful filler 13 is leaked out from valve body, and can surrounding enviroment and personal safety be brought with serious consequence, stainless steel ripple The outside of pipe 20 is provided with emulsion paint anti-corrosive coating layer 21, with the high temperature resistant, anticorrosion perfected and anti-permeability, Neng Gouyou Effect prevents corrugated stainless steel tubing to be corroded damage, extends service life.
Specifically used mode:The utility model, when using, when drive device 19 works, is revolved by key 18 with ovable valve stem 5 Turn, valve rod 5 drives butterfly plate 7 to be rotated by axis of the center line of valve rod 5 by pin 10, its male cone (strobilus masculinus) is with valve seat 12 after the rotation of butterfly plate 7 Inner conical surface depart from or coincide, flowed to regardless of filler 13, the sealing surface of butterfly plate 7 and valve seat 12 when can ensure that butterfly valve is closed Ratio pressure between sealing surface, realizes the two way seal of butterfly valve, can be used for the transmitted in both directions of filler, and, the pressing plate of the side of butterfly plate 7 8, the weight and production cost of butterfly plate 7 are reduced while 7 strength and stiffness of butterfly plate are ensured, while can also make outside butterfly plate 7 Surface is in certain streamlined, advantageously reduces flow resistance.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims (9)

1. a kind of two-way butterfly valve, including valve body (6), it is characterised in that:The bottom of the valve body (6) is provided with bottom (1), described It is provided with the top of valve body (6) and sealing ring (11), the valve seat is provided between valve seat (12), and valve body (6) and valve seat (12) (12) it is connected with drive device (19) by studs (14), the two ends of the studs (14) are threaded with nut (15) valve rod (5), is provided with the valve body (6), one end of the valve rod (5) is through valve seat (12) and by key (18) and driving Device (19) is connected, and valve rod (5) is provided with support (16), the valve rod with the junction of valve seat (12) and drive device (19) (5) the other end is against on bottom (1), is provided with the valve rod (5) between butterfly plate (7), and valve rod (5) and butterfly plate (7) and led to Pin (10) connection is crossed, the side of the butterfly plate (7) is provided with pressing plate (8).
2. a kind of two-way butterfly valve according to claim 1, it is characterised in that:The valve rod (5) sets with valve body (6) junction There is bushing (4).
3. a kind of two-way butterfly valve according to claim 1, it is characterised in that:The valve rod (5) and the junction of bottom (1) It is provided with pad (3).
4. a kind of two-way butterfly valve according to claim 1, it is characterised in that:The side of the drive device (19) is provided with Filler (13) is filled with gland (17), the support (16).
5. a kind of two-way butterfly valve according to claim 1, it is characterised in that:Pass through between the valve body (6) and bottom (1) First soket head cap screw (2) is connected.
6. a kind of two-way butterfly valve according to claim 1, it is characterised in that:Pass through between the pressing plate (8) and butterfly plate (7) Second soket head cap screw (9) is connected.
7. a kind of two-way butterfly valve according to claim 1, it is characterised in that:Between the sealing ring (11) and valve seat (12) It is provided with O-ring.
8. a kind of two-way butterfly valve according to claim 1, it is characterised in that:The drive device (19) can be pneumatic horse Up to, fluid motor or electro-motor.
9. a kind of two-way butterfly valve according to claim 1, it is characterised in that:It is welded with the outside of the valve rod (5) stainless Corrugated steel pipe (20), emulsion paint anti-corrosive coating layer (21) is provided with the outside of the corrugated stainless steel tubing (20).
CN201621381574.9U 2016-12-09 2016-12-09 A kind of two-way butterfly valve Active CN206246702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621381574.9U CN206246702U (en) 2016-12-09 2016-12-09 A kind of two-way butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621381574.9U CN206246702U (en) 2016-12-09 2016-12-09 A kind of two-way butterfly valve

Publications (1)

Publication Number Publication Date
CN206246702U true CN206246702U (en) 2017-06-13

Family

ID=59008023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621381574.9U Active CN206246702U (en) 2016-12-09 2016-12-09 A kind of two-way butterfly valve

Country Status (1)

Country Link
CN (1) CN206246702U (en)

Similar Documents

Publication Publication Date Title
CN201326823Y (en) Corrugated pipe stop valve for chlorine
CN204628570U (en) Multi-layer sealed Multifunctional stop valve
CN104197031B (en) The multi-functional butterfly plate improved based on electric planer formula axle construction and the butterfly valve of composition thereof
CN203552080U (en) Automatic flow adjustment device for liquid replenishment tube
CN206246702U (en) A kind of two-way butterfly valve
CN204437296U (en) Embedded forging Y type is without bonnet stop valve
CN207864638U (en) Teflon seal butterfly valve
CN203442159U (en) Instrument stop valve with non-rotating valve rod
CN206338448U (en) Ammonia check valve special
CN204004559U (en) A kind of sampling T-way valve
CN205479422U (en) Gate valve
CN204312711U (en) A kind of stop valve
CN201606504U (en) Hard sealing angle valve
CN201487239U (en) right-angle valve
CN204828681U (en) Cooling right -angle type stop valve of industry
CN204114176U (en) Dress formula bidirectional sealed butterfly valve in one
CN207648249U (en) Shut-off valve
CN203067918U (en) Gate valve with elastic sealing block
CN212429757U (en) Industrial fireproof stop valve
CN215410433U (en) Stop valve with good sealing effect
CN202040355U (en) Flange gate valve
CN206668994U (en) A kind of efficient sealed butterfly valve
CN208252796U (en) A kind of penetration gate valve
CN203868388U (en) Single-seat regulating valve for phthalic anhydride
CN200999868Y (en) Fluoroplastic full-lining butterfly valve special for chlor-alkali

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 325000 Dili valve at the intersection of Jinhai Avenue and Binhai 9th Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province

Patentee after: Dili Valve Technology Co.,Ltd.

Address before: 325024 floor 1, No. 161, Hongrui Road, Shacheng street, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province

Patentee before: ZHEJIANG DILI VALVE TECHNOLOGY CO.,LTD.