CN2929380Y

CN2929380Y - Clamping plate valve

Info

Publication number: CN2929380Y
Application number: CN 200620092166
Authority: CN
Inventors: 杨青; 张治伋; 吴月玲; 郝杰; 朱春雨
Original assignee: LIAOHAI MACHINERY FACTORY SHENYANG
Current assignee: Shenyang Liaohai Equipment Co., Ltd.
Priority date: 2006-07-19
Filing date: 2006-07-19
Publication date: 2007-08-01
Anticipated expiration: 2016-07-19

Abstract

Disclosed is a sandwich valve which relates to a valve comprising an angle pipe, an internal screw ball valve, a three-way, a manometer, an upper holder, a middle holder, a flash-board, a compression ring, a compression ring screw, a cap nut, a baling, a bolt tool, a valve stem nut, a valve stem, an interconnect valve seat, an interconnect valve cone, a lifting ring screw, a bolt I, a bolt II, a castle nut, a pin, a lower holder, and a crank handle. The sandwich valve is specially used together with stoppage accessories of a hole opener, a plugging device and a locking O-shaped ring flange to plug pipes, which allows bidirectional flowing, and only the alignment of the valve hole with the hole of the tube accessory can realize assembly in any direction.

Description

Sandwich valve

Technical field

The utility model relates to a kind of valve, particularly relates to the sandwich valve that the stifled accessory of a kind of plug with perforator, plugging device and sealed O shape ring flange uses.

Background technique

Valve is the device in order to control fluid flow, pressure and the flow direction.Controlled fluid can be liquid, gas, gas liquid mixture or solid-liquid mixture.

Valve normally is made up of valve body, valve gap, valve seat, open-shut device, driving mechanism, Sealing and fastening piece etc.The control function of valve is to rely on driving mechanism or fluid to order about open-shut device lifting, slippage, swing or rotation motion to realize with the size that changes Flow area.

Common valve is when using with the stifled accessory of the plug of perforator, plugging device and sealed O shape ring flange, can not make the connection of each parts compactness, and existing sandwich valve exists installation inconvenient, is difficult in the problem that install and use in the very approaching place of perforator and plugging device.

Summary of the invention

The purpose of this utility model is to provide a kind of sandwich valve that uses with the stifled accessory of the plug of perforator, plugging device and sealed O shape ring flange specially.The exhaust port of this sandwich valve is located on the two boards outside the valve opening end face, close flashboard after, open exhaust port, liquid just can be discharged.

The purpose of this utility model is achieved through the following technical solutions:

Sandwich valve comprises bend pipe, internal thread ball valve, threeway, pressure gauge, punch holder body, therebetween plate body, flashboard, pressure ring, bolt device, Stem Mut, valve rod, connection valve seat, connecting valve cone, grooved nut, die holder body, handle; One end of internal thread ball valve is connected with bend pipe, the other end is connected with an end of threeway, threeway is provided with pressure gauge, the other end of threeway links to each other with the punch holder body, be provided with the therebetween plate body in the middle of punch holder body and the die holder body, also be provided with flashboard and Stem Mut between punch holder body and die holder body, flashboard links to each other with the therebetween plate body, Stem Mut links to each other with the inner of valve rod, and the valve rod outer end links to each other with handle.

O-ring seals II, pressure ring, pressure ring screw are housed on the aforesaid flashboard.

Aforesaid valve rod is provided with O-ring seals III, bearing, sealing gasket, bearing cap, bolt III.

Aforesaid die holder body is provided with check ring, O-ring seals IV, is communicated with valve seat, connecting valve cone.

Be equipped with positioning ring, positioning screwn, nut, packing ring, bolt device on punch holder body and the die holder body as mentioned above.

The upper surface of aforesaid sandwich valve is provided with lifting bolt, bolt I, bolt II, grooved nut, elastic washer and pin.

Advantage of the present utility model and effect are:

1. the utility model allows two-way flow, as long as valve opening and pipe fitting hole align, can in any direction install.

2. the utility model is provided with the over dimensioning valve opening, can install and use on the pipeline of various sizes.

3. bolt of the present utility model and flange are made one, and structure is fastening, help perforator and compact more being connected of plugging device.

Description of drawings

Fig. 1 is the sectional view of watching attentively of the present utility model;

Fig. 2 is a plan view of the present utility model.

Embodiment

With reference to the accompanying drawings the utility model is elaborated.

The utility model includes punch holder body 5, therebetween plate body 7 and die holder body 32, and a flashboard 9 is installed in the elongated slot in the middle of the therebetween plate body, and flashboard 9 is realized the switch of sandwich valve by the motion of valve rod 17 and Stem Mut 16.

As shown in the figure, one end of internal thread ball valve 2 is connected with bend pipe 1, the other end is connected with an end of threeway 3, threeway is provided with pressure gauge 4, the other end of threeway links to each other with punch holder body 5, be provided with therebetween plate body 7 in the middle of punch holder body and the die holder body 32, the therebetween plate body is provided with O-ring seals I6, between punch holder body and die holder body, also be provided with flashboard 9 and Stem Mut 16, flashboard links to each other with the therebetween plate body, O-ring seals II8 is housed on the flashboard, pressure ring 10, pressure ring screw 11, Stem Mut 16 links to each other with the inner of valve rod 17, the valve rod outer end links to each other with handle 38, valve rod is provided with O-ring seals III18, bearing 33, sealing gasket 34, bearing cap 35, bolt III36, one end of die holder body is provided with check ring 20, O-ring seals IV21, be communicated with valve seat 22, connecting valve cone 23 is equipped with positioning ring 24 on punch holder body and the die holder body, positioning screwn 25, nut 13, packing ring 14, bolt device 15.

As shown in the figure, the upper surface of this sandwich valve is provided with lifting bolt 26, bolt I27, bolt II28, grooved nut 29, elastic washer 30 and sells 31.

There is a pressure equaliser side of sandwich valve, after shutoff work is finished, when removing sandwich valve, just need up and down space pressure balance of flashboard, rotation is communicated with valve seat to be made and is communicated with cone and breaks away from, the aperture that is communicated with by the upper, middle and lower sandwich valve, make medium below the flashboard flow to the top of flashboard from this aperture, thereby, make the upper and lower space pressure balance of flashboard, the dismounting sandwich valve of safety.

The installation of sandwich valve

1. the both sides bolt guard ring of dismantling;

2. four ropes that use same length are by the valve of slinging of four lifting bolts on the valve; (valve is necessary for closed condition in the whole erection process, and makes valve body maintenance level);

3. mounted valve in threeway

A. put suitable packing ring well on the threeway top,, valve is fallen in the threeway, guarantee the packing ring on the accessory and the bolt center circle centering of valve flanges face if the packing ring internal diameter along stretching in the valve opening, then needs to repair;

B. crank is snapped in valve rod, be rotated counterclockwise and open valve, when opening or closing valve, usually require meter crank revolution, to guarantee that flashboard is in appropriate position and (floating function is arranged in the valve in valve, can make flashboard be in correct sealing surface, too not tighten flashboard, the flashboard tension just can not enter sealing station);

C. valve opening is alignd with the threeway inwall, can align for guaranteeing all limits, available ruler is measured.

4. per quart circle place tightens up a nut with hand on valve, and then installs and tighten all nuts with the pressure spanner;

5. put suitable packing ring on the valve well, perforator is installed on the valve, tighten whole nuts, perforate then with the pressure spanner.

The dismounting of sandwich valve

1. the door one side is laid down one group of suspension ring, and this faces down valve is kept flat, and the supporting spanner of use and valve is laid down the bolt (the double end stay bolt is not locked in the valve, can be motionless in position) of whole band caps;

2. lay down two end flange from center flange, protect whole sealing surfaces.

3. the dismounting flashboard assembly is laid down socket head screw from spacing flange, turns clockwise and backs out valve rod from flashboard;

4. unload lower flashboard from center flange, be inserted in the valve rod hole at flashboard center, lift flashboard, note the screw thread on the protection flashboard from flange with a joint rod;

5. lay down the whole socket screws on the flashboard, change O-ring seals.

Re-assembly sandwich valve

1. refuel and install O-ring seals in the groove of heart flange both sides;

2. refuel and install O-ring seals, flashboard and screw (, just must remove, otherwise the sealing surface of fragile flashboard and valve) as jagged;

3. with a joint rod valve plate is put into center flange, and adjust the position;

4. on valve rod, install and lubricated O-ring seals;

5. insert valve rod and be rotated counterclockwise valve rod to valve plate from center flange;

6. spacing flange is installed and socket head screw is installed on center flange at the valve rod end;

7. change the O-ring seals on the bypass valve rod in the valve end;

The end flange on both sides on center flange, from three flanges of the working surface of this end of flange plate crank alignment, can guarantee to align the valve hole after must aliging;

9. a lag bolt and a stay bolt are installed below the valve center line, valve are tightened with nut;

10. with 4 good valves of bolt, and then tighten all bolts equably.

Claims

1. sandwich valve is characterized in that this sandwich valve includes bend pipe (1), internal thread ball valve (2), threeway (3), pressure gauge (4), punch holder body (5), therebetween plate body (7), flashboard (9), pressure ring (10), bolt device (15), Stem Mut (16), valve rod (17), is communicated with valve seat (22), connecting valve cone (23), grooved nut (29), die holder body (32), handle (37); One end of internal thread ball valve is connected with bend pipe, the other end is connected with an end of threeway, threeway is provided with pressure gauge, the other end of threeway links to each other with the punch holder body, be provided with the therebetween plate body in the middle of punch holder body and the die holder body, also be provided with flashboard and Stem Mut between punch holder body and die holder body, flashboard links to each other with the therebetween plate body, Stem Mut links to each other with the inner of valve rod, and the valve rod outer end links to each other with handle.

2. sandwich valve according to claim 1 is characterized in that, O-ring seals II (8), pressure ring (10), pressure ring screw (11) are housed on the flashboard.

3. sandwich valve according to claim 1 is characterized in that, valve rod is provided with O-ring seals III (18), bearing (33), sealing gasket (34), bearing cap (35), bolt III (36).

4. sandwich valve according to claim 1 is characterized in that, the die holder body is provided with check ring (20), O-ring seals IV (21), is communicated with valve seat (22), connecting valve cone (23).

5. sandwich valve according to claim 1 is characterized in that, is equipped with positioning ring (24), positioning screwn (25), nut (13), packing ring (14), bolt device (15) on punch holder body and the die holder body.

6. sandwich valve according to claim 1 is characterized in that, the upper surface of this sandwich valve is provided with lifting bolt (26), bolt I (27), bolt II (28), grooved nut (29), elastic washer (30) and pin (31).