CN206093035U - Unsteady ball valve of facial make -up elastic valve seat - Google Patents

Unsteady ball valve of facial make -up elastic valve seat Download PDF

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Publication number
CN206093035U
CN206093035U CN201621143208.XU CN201621143208U CN206093035U CN 206093035 U CN206093035 U CN 206093035U CN 201621143208 U CN201621143208 U CN 201621143208U CN 206093035 U CN206093035 U CN 206093035U
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China
Prior art keywords
valve
valve rod
arc
elastic
seat
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CN201621143208.XU
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Chinese (zh)
Inventor
柳温柔
樊彦军
付瑞平
杨水平
王陈
柳亲亲
蔡承福
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Zhejiang Tiante Valve Co Ltd
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Zhejiang Tiante Valve Co Ltd
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Abstract

The utility model discloses an unsteady ball valve of facial make -up elastic valve seat, elastic valve seat include that the left and right end junction of spheroid and valve body installs elastic valve seat, and valve body and valve cover connection department install seal gasket, and it is sealed to be provided with the fire prevention of valve body valve gap in the seal gasket outer end, and elastic valve seat is last, and to be provided with sealed face seal arc, elasticity arc and sealed face fire prevention respectively sealed, and elastic valve seat and spheroidal junction are the sealed arc of elastic valve seat, and the junction of elastic valve seat and valve body one end is the elasticity arc, sealed arc of elastic valve seat and elasticity arc are the arc. This valve disk seat adopts ground -breaking elastic valve seat, and the wearing and tearing of the sealed face of greatly reduced make life -span greatly increased. The disk seat adopts double -parallel formula disk seat, and for traditional unsteady ball valve of wedge type facial make -up, its processing technology is simple, the precision is guaranteed easily to the comprehensive properties and the life of improvement valve that can be by a wide margin. The spheroid adopts the design of double -parallel face, and the spheroid assembly rotatory 90 can be accomplished, installation simple process, labour saving and time saving again to the double -parallel face of packing into earlier when the assembly.

Description

Elastic seat floating ball valve is filled in one kind
Technical field
This utility model is related to a kind of floating ball valve, and elastic seat floating ball valve is specifically filled in one kind.
Background technology
Ball valve (ball valve) was come out in the 1950's, with science and technology develop rapidly, production technology and Product structure is updated, and in the 40 short years, having developed rapidly becomes a kind of main valve class.In western industrial Flourishing country, the use of ball valve constantly rise year by year.In China, ball valve is widely used in petroleum refining, length The industries such as defeated pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel, occupy very important ground in national economy Position.Ball valve is mainly used to the flow direction for cutting off, distribute and changing medium in pipeline.Floating ball valve refers to that the spheroid of ball valve is Float, under pressure medium effect, spheroid can produce certain displacement and be pressed on the sealing surface of the port of export, it is ensured that outlet End sealing.Existing floating ball valve has that complex structure, volume are big, manufacturing process is complicated, sealing surface wear is larger, service life Very low shortcoming.
Utility model content
The purpose of this utility model is to provide, to solve in above-mentioned background technology The problem of proposition.
For achieving the above object, this utility model provides following technical scheme:
In one kind fill elastic seat floating ball valve, including valve body, spheroid, valve rod, valve rod under bushing, valve gap, V-type filler, Bushing, gland, stop screw, banking stop, handle and elastic seat on valve rod;The spheroid is connected with the left and right end of valve body The place of connecing is separately installed with elastic seat, and valve body and valve gap junction are provided with gasket seal, and gasket seal and valve body one end Junction is provided with valve body valve gap fire proof seal, is respectively arranged with sealing arc, elastic arc and sealing surface fire prevention close on elastic seat Envelope, the junction of elastic seat and spheroid is sealing arc, and the junction of elastic seat and valve body one end is elastic arc, the sealing Arc and elastic arc are arc.
The valve rod is wrapped up using PTFE material with the contact surface of valve body, gland.
The valve gap is fixedly connected with the valve body by four hexagon-headed bolts with spring washer.
The elastic seat is double parallel valve seat.
The spheroid is double parallel face.
Compared with prior art, the beneficial effects of the utility model are:
Elastic seat floating ball valve is filled on this reasonable in design, with compact conformation, good airproof performance, circulating resistance are little, open and close Torque is little, the advantage of long service life, and small volume, lightweight, material consumption be few, installation dimension is little, is capable of achieving quickly to open Close;Valve rod is wrapped up using PTFE material with the contact surface of valve body, gland, makes the abrasion of valve rod almost nil, is greatly dropped The low moment of friction of valve rod, effectively increases the service life of valve rod.
Elastic seat of the valve base using original creation, this valve seat can utilize the design in structure to make the flexible plastic of easy-cold flow Elasticity is provided with, such that it is able to be effectively guaranteed the pretension sealing force of sealing surface, and can be close with the change of pressure The combination width of front cover also in change, make the seal pressure between sealing surface be maintained at one it is relatively low under conditions of, so as to can Greatly increase the life-span with the abrasion for substantially reducing sealing surface.The design of elastic seat it is critical only that valve seat thickness and pressure Ratio i.e. valve seat elastic force change according to the size of pressure, and this needs the calculating of science and test to realize.
Valve seat adopts double flat line valve seat, and relative to floating ball valve is filled in traditional wedge-type, its processing technique is simple, precision It is easily guaranteed that, so as to the combination property and service life of valve can be greatly improved.
Spheroid is designed using double parallel face, is initially charged with double parallel face in assembling, then spheroid dress is completed by being rotated by 90 ° Match somebody with somebody, mounting process is simple, time saving and energy saving.
Description of the drawings
Fig. 1 is the overall structure diagram of upper dress elastic seat floating ball valve.
Fig. 2 is the partial sectional view of upper dress elastic seat floating ball valve.
Fig. 3 is the partial structurtes enlarged drawing of the valve body with valve gap junction of upper dress elastic seat floating ball valve.
Fig. 4 is the partial structurtes enlarged drawing of upper dress elastic seat floating ball valve seat.
Wherein:1- valve bodies;2- spheroids;3- elastic seats;4- anti-static springs;5- antistatic steel balls;6- valve rods;7- valve rods Lower bushing;8- gasket seals;9- valve gaps;10- spring washers;11- hexagon-headed bolts;12-V type fillers;Bushing on 13- valve rods; 14- glands;15- stop screws;16- banking stops;17- circlips for shaft;18- handles;The fire prevention of 19- valve bodies valve gap is close Envelope;20- seals arc;21- elastic arcs;22- sealing surface fire proof seals.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Fig. 1-4 are referred to, bushing under elastic seat floating ball valve, including valve body 1, spheroid 2, valve rod 6, valve rod in one kind, is filled 7th, bushing 13, gland 14, stop screw 15, banking stop 16, handle 18 and feather valve on valve gap 9, V-type filler 12, valve rod Seat 3;The left and right two ends of the valve body 1 are provided with elastic seat 3 with 2 junction of spheroid;Valve body 1 is provided with 9 junction of valve gap Gasket seal 8, and the junction outer end of gasket seal 8 and valve body 1 is provided with valve body valve gap fire proof seal 19, on elastic seat 3 Sealing arc 20, elastic arc 21 and sealing surface fire proof seal 22 are respectively arranged with, elastic seat 3 is sealing with the junction of spheroid 2 Arc 20, elastic seat 3 are elastic arc 21 with the junction of 1 one end of valve body, and the sealing arc 20 and elastic arc 21 are arc.
The valve rod 6 is wrapped up using PTFE material with the contact surface of valve body 1, gland 14.
The valve gap 9 is fixedly connected with valve body 1 by four hexagon-headed bolts 11 with spring washer 10.
The elastic seat is double parallel valve seat.
The spheroid 2 is upper and lower double parallel face.The spheroid 2 is arranged on inside valve body 1, and the valve gap 9 is by multiple Hexagon-headed bolt 11 with spring washer 10 is fixedly connected with valve body 1, and valve gap 9 is provided with sealing with the junction of valve body 1 Pad 8;2 upper end of the spheroid is connected to valve rod 6, and anti-static spring 4 and antistatic steel ball 5, institute are provided with inside the valve rod 6 State and on valve rod 6, be arranged with valve rod bushing 13 on bushing 7 and valve rod, under valve rod, on bushing 7 and valve rod, between bushing 13, be provided with V Type filler 12, and 7 upper end of bushing is connected to V-type filler 12 under valve rod, 12 upper end of V-type filler is connected to bushing 13 on valve rod, valve Gland 14 is provided with bar on the outside of bushing 13, V-type filler 12 is compressed by gland 14, and gland 14 is set in The upper end of valve rod 6, gland 14 are fixedly connected with valve gap 9 by multiple stop screws 15, are provided with handle at the top of valve rod 6 Banking stop 16 and circlip for shaft 17 are installed between 18, and handle 18 and gland 14, are provided with banking stop 16 and are matched somebody with somebody The through hole that valve rod 6 is passed through is closed, and on gland 14, is provided with two and lockhole is engaged with banking stop 16, banking stop 16 is by limit Position screw 15 is limiting the position of the switch of valve rod 16.
The top and bottom of spheroid 2 are parallel, are initially charged with double parallel face in assembling, then spheroid assembling, peace are completed by being rotated by 90 ° Dress process is simple, it is time saving and energy saving;The valve rod 6 is wrapped up using PTFE with the junction of valve body 1, gland 14, makes valve rod 6 Abrasion it is almost nil, greatly reduce the moment of friction of valve rod 6, and increased the life-span of valve rod 6;
Elastic seat floating ball valve is filled on this reasonable in design, simple structure, using upper dress formula floating spherical structure, with structure Compact, keying is rapid, open and close torque is little, long service life advantage;It is and mounting process is simple, time saving and energy saving;In addition, on this Dress elastic seat floating ball valve also has the advantages that light weight, detachability are good.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective Various changes can be made.

Claims (6)

1. elastic seat floating ball valve is filled in one kind, it is characterised in that including under valve body (1), spheroid (2), valve rod (6), valve rod Bushing (13), gland (14), stop screw (15), banking stop on bushing (7), valve gap (9), V-type filler (12), valve rod (16), handle (18) and elastic seat (3);The spheroid (2) is respectively mounted flexible with the left and right end junction of valve body (1) Valve seat (3), valve body (1) and valve gap (9) junction are provided with gasket seal (8), and gasket seal (8) and valve body (1) one end Junction is provided with valve body valve gap fire proof seal (19), and sealing arc (20), elastic arc (21) are respectively arranged with elastic seat (3) With sealing surface fire proof seal (22), elastic seat (3) is sealing arc (20), elastic seat (3) and valve with the junction of spheroid (2) The junction of body (1) one end is elastic arc (21), and sealing arc (20) and elastic arc (21) are arc.
2. it is according to claim 1 it is upper dress elastic seat floating ball valve, it is characterised in that the valve rod (6) and valve body (1), the contact surface of gland (14) is wrapped up using PTFE material.
3. it is according to claim 1 it is upper dress elastic seat floating ball valve, it is characterised in that the valve gap (9) is by four Hexagon-headed bolt with spring washer (10) (11) is fixedly connected with valve body (1).
4. it is according to claim 1 it is upper dress elastic seat floating ball valve, it is characterised in that the elastic seat be double parallel Valve seat.
5. the upper dress elastic seat floating ball valve according to one of claim 1-4, it is characterised in that the spheroid (2) is Double parallel face.
6. it is according to claim 5 it is upper dress elastic seat floating ball valve, it is characterised in that the spheroid (2) is installed in valve Body (1) is internal, and the valve gap (9) is fixed with valve body (1) by multiple hexagon-headed bolts with spring washer (10) (11) Connection, and valve gap (9) is provided with gasket seal (8), and gasket seal (8) and valve body (1) junction with the junction of valve body (1) Outer end is provided with valve body valve gap fire proof seal (19);Spheroid (2) upper end is connected to valve rod (6), peace inside the valve rod (6) Equipped with anti-static spring (4) and antistatic steel ball (5), on the valve rod (6), bushing on bushing under valve rod (7) and valve rod is arranged with (13), it is provided with V-type filler (12) under valve rod on bushing (7) and valve rod between bushing (13), and bushing (7) upper end connects under valve rod V-type filler (12) is connected to, V-type filler (12) upper end is connected to bushing on valve rod (13), is provided with valve rod on the outside of bushing (13) Gland (14), V-type filler (12) are compressed by gland (14), and gland (14) is set in the upper of valve rod (6) End, gland (14) are fixedly connected with valve gap (9) by multiple stop screws (15), and valve rod is provided with handle at the top of (6) (18), and between handle (18) and gland (14) banking stop (16) and circlip for shaft (17), banking stop are installed (16) through hole for coordinating valve rod (6) to pass through is provided with, and on gland (14), is provided with two and matched with banking stop (16) Lockhole is closed, banking stop (16) limits the position of the switch of valve rod (6) by stop screw (15).
CN201621143208.XU 2016-10-20 2016-10-20 Unsteady ball valve of facial make -up elastic valve seat Active CN206093035U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621143208.XU CN206093035U (en) 2016-10-20 2016-10-20 Unsteady ball valve of facial make -up elastic valve seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621143208.XU CN206093035U (en) 2016-10-20 2016-10-20 Unsteady ball valve of facial make -up elastic valve seat

Publications (1)

Publication Number Publication Date
CN206093035U true CN206093035U (en) 2017-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621143208.XU Active CN206093035U (en) 2016-10-20 2016-10-20 Unsteady ball valve of facial make -up elastic valve seat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094536A (en) * 2019-05-17 2019-08-06 江苏天域阀业制造有限公司 Ball valve is filled in a kind of floating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094536A (en) * 2019-05-17 2019-08-06 江苏天域阀业制造有限公司 Ball valve is filled in a kind of floating

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