CN207349474U - A kind of wedge action valve of stabilized seal - Google Patents

A kind of wedge action valve of stabilized seal Download PDF

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Publication number
CN207349474U
CN207349474U CN201721308887.6U CN201721308887U CN207349474U CN 207349474 U CN207349474 U CN 207349474U CN 201721308887 U CN201721308887 U CN 201721308887U CN 207349474 U CN207349474 U CN 207349474U
Authority
CN
China
Prior art keywords
valve
slide bar
flashboard
stem nut
sliding chutes
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
CN201721308887.6U
Other languages
Chinese (zh)
Inventor
陈步好
郭承龙
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.)
Shanxi Mingnuo Valve Manufacturing Co Ltd
Original Assignee
Shanxi Mingnuo Valve Manufacturing 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 Shanxi Mingnuo Valve Manufacturing Co Ltd filed Critical Shanxi Mingnuo Valve Manufacturing Co Ltd
Priority to CN201721308887.6U priority Critical patent/CN207349474U/en
Application granted granted Critical
Publication of CN207349474U publication Critical patent/CN207349474U/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 wedge action valve of stabilized seal, including valve deck and valve body, the top middle portion of the valve deck is provided with handwheel, the center bottom of handwheel is fixedly connected with one end of valve stem nut, valve stem nut is connected by floating bearing with valve deck, the other end of valve stem nut is provided with thread groove, valve rod is provided with thread groove, the one end of valve rod away from thread groove is provided with limit sliding chutes, slide bar is provided with limit sliding chutes, one end both sides of the slide bar away from limit sliding chutes are both provided with flashboard, connecting plate is provided between two flashboards, the one end of slide bar away from limit sliding chutes is connected through the middle part of connecting plate and with baffle, two lock seats are provided with the middle part of the inner cavity of valve body, the intracavity bottom of valve body is provided with seal convexity.The utility model is provided with buffer spring, the setting of buffer spring can provide a pressure to flashboard, prevent flashboard from springing back, improve the sealing effect of valve by being provided with slide bar on valve rod on the outside of slide bar.

Description

A kind of wedge action valve of stabilized seal
Technical field
Gate valve correlative technology field is the utility model is related to, more particularly to a kind of wedge action valve of stabilized seal.
Background technology
Valve be in fluid system, for control the direction of fluid, pressure, flow device, be to make pipe arrangement and equipment Interior fluid flowing or stopping simultaneously controlling the device of its flow.Valve is pressed according to can structurally and functionally be divided into many types It can be divided into gate valve, ball valve, butterfly valve, plunger valve, diaphragm valve, plug valve etc. according to structure, can be divided into check-valves, peace according to effect Full valve, pressure reducing valve, drain valve etc..Wherein gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, Gate valve can only make standard-sized sheet and fully closed.Gate valve flow resistance is small, is not likely to produce water hammer, and simple in structure, both sides are symmetrical, is applicable in model Enclose very wide.But gate valve flashboard during closing all is tightly to be squeezed in by rigid active force on the valve seat of valve body, right at this time Sealing part abrasion is very serious, and most gate valves all because of seal damage, leakage, finally can not be just continuing with, this serious curtailment The service life of gate valve, limits the application of gate valve.Therefore, a kind of wedge action valve of stabilized seal is invented to solve above-mentioned ask Inscribe necessary.
The content of the invention
The purpose of this utility model is to provide a kind of wedge action valve of stabilized seal, to solve to carry in above-mentioned background technology The problem of going out.
To achieve the above object, the utility model provides following technical solution:A kind of wedge action valve of stabilized seal, including Valve deck and valve body, the valve deck are connected with valve body by fastening screw, and the top middle portion of valve deck is provided with handwheel, the handwheel Center bottom is fixedly connected with one end of valve stem nut, and the valve stem nut is located in the groove in the middle part of valve deck, and valve stem nut leads to Cross floating bearing to be connected with valve deck, the floating bearing is located at the middle part of groove, and the other end of the valve stem nut is provided with spiral shell Groove, is provided with valve rod in the thread groove, the one end of the valve rod away from thread groove is provided with limit sliding chutes, the spacing cunning Slide bar is provided with groove, one end both sides of the slide bar away from limit sliding chutes are both provided with flashboard, and the flashboard is located at valve body Inner cavity top, connecting plate is provided between two flashboards, and the middle part of connecting plate is run through in the one end of the slide bar away from limit sliding chutes And be connected with baffle, the baffle is provided with two lock seats, the valve between two flashboards in the middle part of the inner cavity of the valve body The intracavity bottom of body is provided with seal convexity, and the seal convexity is between two lock seats.
Preferably, buffer spring is socketed with the outside of the slide bar, sealing shroud, institute are provided with the outside of the buffer spring The one end for stating sealing shroud is fixedly connected with slide bar, and the other end of the sealing shroud and the bottom outside of valve rod are fitted and connected.
Preferably, the bottom outside of the slide bar is provided with annular stop plate, and annular is provided with the middle part of the connecting plate Groove, the annular stop plate are located in annular groove.
Preferably, the length of the seal convexity is equal to the spacing of two flashboards.
Preferably, the medial surface of the lateral surface of the flashboard and lock seat is equipped with filler, and the filler is alkene asbestos packing Filler.
Preferably, the valve deck, valve body and valve rod are made of Cr Ni Mo Ti steel alloy, and flashboard and the lock seat is by stainless steel Hard alloy is added to be made, valve stem nut is made of copper alloy, and handwheel is made of malleable cast iron.
The technique effect and advantage of the utility model:The utility model on valve body by being provided with flashboard and lock seat, energy It is enough to seal valve well;Slide bar is provided with valve rod, buffer spring is provided with the outside of slide bar, buffer spring A pressure can be provided to flashboard by setting, and prevented flashboard from springing back, improved the sealing effect of valve;Gear is provided with slide bar Plate, baffle provide certain support force for flashboard, and a support effect is played to flashboard, improve the sealing effect of flashboard.
Brief description of the drawings
Fig. 1 is the utility model structural profile illustration.
Fig. 2 is structure enlargement diagram at A in the utility model Fig. 1.
In figure:Valve deck 1, valve body 2, handwheel 3, valve stem nut 4, floating bearing 5, valve rod 6, limit sliding chutes 7, slide bar 8, annular Limiting plate 81, sealing shroud 9, flashboard 10, connecting plate 11, baffle 12, lock seat 13, seal convexity 14.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of wedge action valve of stabilized seal as shown in Figs. 1-2, including valve deck 1 and valve body 2, The valve deck 1 is connected with valve body 2 by fastening screw, and the top middle portion of valve deck 1 is provided with handwheel 3, in the bottom of the handwheel 3 Portion is fixedly connected with one end of valve stem nut 4, and the valve stem nut 4 is located in the groove at the middle part of valve deck 1, and valve stem nut 4 passes through Floating bearing 5 is connected with valve deck 1, and the floating bearing 5 is located at the middle part of groove, and the other end of the valve stem nut 4 is provided with Thread groove, is provided with valve rod 6 in the thread groove, the described one end of valve rod 6 away from thread groove is provided with limit sliding chutes 7, described Slide bar 8 is provided with limit sliding chutes 7, one end both sides of the slide bar 8 away from limit sliding chutes 7 are both provided with flashboard 10, the lock Plate 10 is located at the inner cavity top of valve body 2, connecting plate 11 is provided between two flashboards 10, the slide bar 8 is away from limit sliding chutes 7 One end is connected through the middle part of connecting plate 11 and with baffle 12, and the baffle 12 is located between two flashboards 10, the valve body 2 Two lock seats 13 are provided with the middle part of inner cavity, the intracavity bottom of the valve body 2 is provided with seal convexity 14, the seal convexity 14 Between two lock seats 13.
The outside of the slide bar 8 is socketed with buffer spring, and sealing shroud 9 is provided with the outside of the buffer spring, described close One end of big envelope 9 is fixedly connected with slide bar 8, and the bottom outside of the other end and valve rod 6 of the sealing shroud 9 is fitted and connected;The cunning The bottom outside of bar 8 is provided with annular stop plate 81, and the middle part of the connecting plate 11 is provided with annular groove, the annular stop Plate 81 is located in annular groove;The length of the seal convexity 14 is equal to the spacing of two flashboards 10;The outside of the flashboard 10 The medial surface of face and lock seat 13 is equipped with filler, and the filler is alkene asbestos packing filler;The valve deck 1, valve body 2 and valve rod 6 It is made of Cr Ni Mo Ti steel alloy, the flashboard 10 and lock seat 13 add hard alloy to be made by stainless steel, and valve stem nut 4 is closed by copper Gold is made, and handwheel 3 is made of malleable cast iron.
This practicality operation principle:When needing to close valve, handwheel 3 is first turned, handwheel 3 drives valve stem nut 4 to rotate, valve Stem nut 4 is moved down by thread groove band ovable valve stem 6, and valve rod 6 drives two flashboards 10 to moving down by annular stop plate 81 Dynamic, until two flashboards 10 are contacted with the intracavity bottom of valve body 2, two flashboards 10 are contacted with two lock seats 13 at this time, by valve body 2 Bore seal, then proceed to turn handwheel 3, at this time slide bar 8 can gradually be inserted into limit sliding chutes 7 in, slide bar 8 can drive gear at this time Plate 12 moves down, until buffer spring reaches maximum compression coefficient, buffer spring provides a pressure to flashboard 10 at this time, prevents Only flashboard 10 is sprung back, and improves the sealing effect of valve, and baffle 12 provides certain support force for flashboard 10, flashboard 10 is played One support effect, improves the sealing effect of flashboard 10.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of wedge action valve of stabilized seal, including valve deck(1)And valve body(2), the valve deck(1)And valve body(2)By tight Gu screw connection, it is characterised in that:Valve deck(1)Top middle portion be provided with handwheel(3), the handwheel(3)Center bottom consolidate Surely valve stem nut is connected(4)One end, the valve stem nut(4)Positioned at valve deck(1)In the groove at middle part, and valve stem nut(4) Pass through floating bearing(5)With valve deck(1)Connection, the floating bearing(5)Positioned at the middle part of groove, the valve stem nut(4)'s The other end is provided with thread groove, and valve rod is provided with the thread groove(6), the valve rod(6)One end away from thread groove is set There are limit sliding chutes(7), the limit sliding chutes(7)Inside it is provided with slide bar(8), the slide bar(8)Away from limit sliding chutes(7)One end Both sides are both provided with flashboard(10), the flashboard(10)Positioned at valve body(2)Inner cavity top, two flashboards(10)Between be provided with Connecting plate(11), the slide bar(8)Away from limit sliding chutes(7)One end run through connecting plate(11)Middle part and and baffle(12)Even Connect, the baffle(12)Positioned at two flashboards(10)Between, the valve body(2)Inner cavity in the middle part of be provided with two lock seats(13), The valve body(2)Intracavity bottom be provided with seal convexity(14), the seal convexity(14)Positioned at two lock seats(13)Between.
A kind of 2. wedge action valve of stabilized seal according to claim 1, it is characterised in that:The slide bar(8)Outside Buffer spring is socketed with, sealing shroud is provided with the outside of the buffer spring(9), the sealing shroud(9)One end be fixedly connected Slide bar(8), the sealing shroud(9)The other end and valve rod(6)Bottom outside be fitted and connected.
A kind of 3. wedge action valve of stabilized seal according to claim 1, it is characterised in that:The slide bar(8)Bottom Outside is provided with annular stop plate(81), the connecting plate(11)Middle part be provided with annular groove, the annular stop plate (81)In annular groove.
A kind of 4. wedge action valve of stabilized seal according to claim 1, it is characterised in that:The seal convexity(14)'s Length is equal to two flashboards(10)Spacing.
A kind of 5. wedge action valve of stabilized seal according to claim 1, it is characterised in that:The flashboard(10)Outside Face and lock seat(13)Medial surface be equipped with filler, the filler is alkene asbestos packing filler.
A kind of 6. wedge action valve of stabilized seal according to claim 1, it is characterised in that:The valve deck(1), valve body (2)And valve rod(6)It is made of Cr Ni Mo Ti steel alloy, the flashboard(10)With lock seat(13)By stainless steel plus hard alloy system Into valve stem nut(4)It is made of copper alloy, handwheel(3)It is made of malleable cast iron.
CN201721308887.6U 2017-10-12 2017-10-12 A kind of wedge action valve of stabilized seal Expired - Fee Related CN207349474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721308887.6U CN207349474U (en) 2017-10-12 2017-10-12 A kind of wedge action valve of stabilized seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721308887.6U CN207349474U (en) 2017-10-12 2017-10-12 A kind of wedge action valve of stabilized seal

Publications (1)

Publication Number Publication Date
CN207349474U true CN207349474U (en) 2018-05-11

Family

ID=62358640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721308887.6U Expired - Fee Related CN207349474U (en) 2017-10-12 2017-10-12 A kind of wedge action valve of stabilized seal

Country Status (1)

Country Link
CN (1) CN207349474U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111536291A (en) * 2018-07-11 2020-08-14 王欣 Water control valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111536291A (en) * 2018-07-11 2020-08-14 王欣 Water control valve

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GR01 Patent grant
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: 20180511

Termination date: 20201012