CN208886024U - One kind being used for paper industry high leakproofness T-type ball valve - Google Patents

Abstract

The utility model discloses one kind to be used for paper industry high leakproofness T-type ball valve, including pneumatic actuator, the pneumatic actuator lower end is fixedly connected with loose joint round nut by hex nut, valve storehouse is equipped with inside the loose joint round nut, core is rotatably equipped in the valve storehouse, the valve storehouse inner wall upper and lower ends are fixedly connected to seal washer, the core upper and lower ends are in contact with valve storehouse, the pneumatic actuator upper end is rotatably connected to signaling switch, the signaling switch lower end is fixedly connected with oilless bearing, the oilless bearing lower end is fixedly connected on core upper end through pneumatic actuator and loose joint round nut, the connector inner wall that loose joint round nut upper end is equipped with is fixedly connected with seal washer.The purpose of this utility model is to provide one kind to be used for paper industry high leakproofness T-type ball valve, solves existing equipment inner sealing rubber mat and is easy to be worn, sealing performance cannot ensure the problem big with ball valve rotary resistance.

Description

One kind being used for paper industry high leakproofness T-type ball valve

Technical field

The utility model relates to a kind of ball valves, in particular to a kind of to be used for paper industry high leakproofness T-type ball valve, belong to valve Gate technique field.

Background technique

Valve is for being opened and closed pipeline, control flow direction, the parameter (temperature, pressure and flow) of regulation and control pumped (conveying) medium Pipeline fittings.According to its function, shut-off valve, check-valves, regulating valve etc. can be divided into.

Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting Or the functions such as overflow pressure relief.For the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS) Used in various valves, kind and specification are quite various.

Valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radioactivity The flowing of the various types fluid such as medium.Valve is also divided into cast iron valve according to material, cast steel valve, stainless valve (201, 304,316 etc.), chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve, nonstandard customized valve etc..

Ball valve (ball valve), the valve that opening and closing element (sphere) is driven by valve rod, and rotated around ball valve axis. Also can be used for the adjusting and control of fluid, wherein firmly sealing its V-type core of V-type ball valve and pile-up welding hard alloy metal seat valve it Between have very strong shearing force, the medium especially suitable for fibre-bearing, small solid pellet etc..And multi-pass ball valve on pipeline not The interflow that only can flexibly control medium, the switching for shunting and flowing to, while any channel can also be closed and make other two channel It is connected.This class valve should be generally horizontally mounted in the duct.Ball valve is divided into according to driving method: pneumatic ball valve, electrical ball valve, Manual ball valve.

The industries such as papermaking, printing and dyeing, environmentally friendly water process, beer beverage, medical treatment and pharmacy need to use ball valve, and existing ball valve exists It is easy to be worn using inner sealing rubber mat after a long time, sealing performance cannot ensure, and existing ball valve rotary resistance Greatly, rotation is inconvenient.

Utility model content

The purpose of this utility model is to provide one kind to be used for paper industry high leakproofness T-type ball valve, solves existing equipment Inner sealing rubber mat is easy to be worn, and sealing performance cannot ensure the problem big with ball valve rotary resistance.

In order to solve the above technical problems, the technical solution of the utility model are as follows: one kind is used for paper industry high leakproofness T-type Ball valve, including pneumatic actuator, the pneumatic actuator lower end are fixedly connected with loose joint round nut, the work by hex nut It connects and is equipped with valve storehouse inside round nut, be rotatably equipped with core in the valve storehouse, the valve storehouse inner wall upper and lower ends are fixedly connected with There is seal washer, the core upper and lower ends are in contact with valve storehouse, and the pneumatic actuator upper end is rotatably connected to signaling switch, The signaling switch lower end is fixedly connected with oilless bearing, and pneumatic actuator and loose joint round nut are run through in the oilless bearing lower end It is fixedly connected on core upper end, the connector inner wall that loose joint round nut upper end is equipped with is fixedly connected with seal washer, institute It states oilless bearing lower end outer wall and is fixedly connected with valve rod, and valve rod outer wall is in contact with the seal washer of connector inner wall, it is described Valve orlop end inside loose joint round nut is fixedly connected with rotating base, and the rotating base outer end is socketed with rotating mechanism, institute Stating rotating mechanism includes the second shaft, and the second shaft inner wall lower end and the second shaft outer wall upper end are fixedly connected to pipe Body.

The preferred embodiment of above scheme are as follows: the core lower end offers slot compatible with rotating base, and slot and Two shafts socket-connect.

The preferred embodiment of above scheme are as follows: the tube body is fixedly connected with seal washer away from the end of the second shaft.

The preferred embodiment of above scheme are as follows: the valve rod outer wall is embedded in the sealing of loose joint round nut upper end connector inner wall Washer inner wall.

The preferred embodiment of above scheme are as follows: the signaling switch, core and oilless bearing coaxial arrangement.

Compared with prior art, the utility model has the beneficial effects that

For oilless bearing in rotation, valve rod assists it to be rotated in the utility model, reduces resistance and facilitates rotation, and revolves Rotation mechanism helps core to be rotated, and reduces rotary resistance in the case where guaranteeing sealing, and prevents long to close using the time The abrasion of potting pad prevents the decrease for causing sealing effect.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the partial sectional view of the utility model；

Fig. 3 is the structural schematic diagram of rotating mechanism in the utility model.

In figure: 1- signaling switch, 2- pneumatic actuator, 3- hex nut, 4- loose joint round nut, 5- valve rod, 6- core, 7- Rotating mechanism, 8- rotating base, 9- seal washer, 10- oilless bearing, the second shaft of 11-, 12- tube body.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other It can be combined with each other.

As shown in Figure 1-3, one kind of the present embodiment is used for paper industry high leakproofness T-type ball valve, including pneumatic actuator 2,2 lower end of pneumatic actuator is fixedly connected with loose joint round nut 4 by hex nut 3, is equipped with valve storehouse inside loose joint round nut 4, Core 6 is rotatably equipped in valve storehouse, valve storehouse inner wall upper and lower ends are fixedly connected to seal washer 9,6 upper and lower ends of core and valve Storehouse is in contact, and 2 upper end of pneumatic actuator is rotatably connected to signaling switch 1, and 1 lower end of signaling switch is fixedly connected with oilless bearing 10,10 lower end of oilless bearing is fixedly connected on 6 upper end of core, loose joint round nut 4 through pneumatic actuator 2 and loose joint round nut 4 The connector inner wall that upper end is equipped with is fixedly connected with seal washer 9, and 10 lower end outer wall of oilless bearing is fixedly connected with valve rod 5, And 5 outer wall of valve rod is in contact with the seal washer 9 of connector inner wall, the valve orlop end inside loose joint round nut 4 is fixedly connected with Rotating base 8,8 outer end of rotating base are socketed with rotating mechanism 7, and rotating mechanism 7 includes the second shaft 11,11 inner wall of the second shaft Lower end and 11 outer wall upper end of the second shaft are fixedly connected to tube body 12.

Wherein, 6 lower end of core offers slot compatible with rotating base 8, and slot socket-connects with the second shaft 11, improves Rotational efficienty, and stablizing effect is good.

Wherein, tube body 12 is fixedly connected with seal washer 9 away from the end of the second shaft 11, improves sealing effect.

Wherein, 5 outer wall of valve rod is embedded in 9 inner wall of seal washer of 4 upper end connector inner wall of loose joint round nut.

Wherein, signaling switch 1, core 6 and oilless bearing 10 are coaxially disposed.

In conclusion provided by the utility model a kind of for paper industry high leakproofness T-type ball valve, ball valve is being used When, signaling switch 1 drives the rotation of core 6 logical come the pass for reaching valve by oilless bearing 10, and oilless bearing 10 is in rotation, valve Bar 5 assists it to be rotated, and reduces resistance and facilitates rotation, and rotating mechanism 7 helps core 6 to be rotated, is guaranteeing sealing In the case of reduce rotary resistance, and prevent from preventing the decrease for causing sealing effect using the time long abrasion to seal gasket.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.

Claims (5)

1. one kind is used for paper industry high leakproofness T-type ball valve, including pneumatic actuator (2), it is characterised in that: described pneumatically to hold Row device (2) lower end is fixedly connected with loose joint round nut (4) by hex nut (3), and valve is equipped with inside the loose joint round nut (4) Storehouse is rotatably equipped with core (6) in the valve storehouse, and the valve storehouse inner wall upper and lower ends are fixedly connected to seal washer (9), institute It states core (6) upper and lower ends to be in contact with valve storehouse, pneumatic actuator (2) upper end is rotatably connected to signaling switch (1), described Signaling switch (1) lower end is fixedly connected with oilless bearing (10), oilless bearing (10) lower end through pneumatic actuator (2) and Loose joint round nut (4) is fixedly connected on core (6) upper end, and the connector inner wall that loose joint round nut (4) upper end is equipped with is solid Surely be connected with seal washer (9), oilless bearing (10) lower end outer wall is fixedly connected with valve rod (5), and valve rod (5) outer wall with The seal washer (9) of connector inner wall is in contact, and the internal valve orlop end of the loose joint round nut (4) is fixedly connected with rotation bottom Seat (8), rotating base (8) outer end are socketed with rotating mechanism (7), and the rotating mechanism (7) includes the second shaft (11), institute It states the second shaft (11) inner wall lower end and the second shaft (11) outer wall upper end and is fixedly connected to tube body (12).

2. according to claim 1 a kind of for paper industry high leakproofness T-type ball valve, it is characterised in that: the core (6) lower end offer with rotating base (8) compatible slot, and slot socket-connects with the second shaft (11).

3. according to claim 1 a kind of for paper industry high leakproofness T-type ball valve, it is characterised in that: the tube body (12) end away from the second shaft (11) is fixedly connected with seal washer (9).

4. according to claim 1 a kind of for paper industry high leakproofness T-type ball valve, it is characterised in that: the valve rod (5) outer wall is embedded in seal washer (9) inner wall of loose joint round nut (4) upper end connector inner wall.

5. according to claim 1 a kind of for paper industry high leakproofness T-type ball valve, it is characterised in that: the signal Switch (1), core (6) and oilless bearing (10) coaxial arrangement.