CN110454611A

CN110454611A - Valve, pump

Info

Publication number: CN110454611A
Application number: CN201910819099.0A
Authority: CN
Inventors: 韩杰; 李来志
Original assignee: SHENYANG ANTI-CORROSION ALLOY PUMP Co Ltd
Current assignee: SHENYANG ANTI-CORROSION ALLOY PUMP Co Ltd
Priority date: 2018-09-04
Filing date: 2019-08-30
Publication date: 2019-11-15
Also published as: WO2020048406A1; CN108953753A

Abstract

The present invention provides a kind of valves, pump, wherein valve includes: housing unit, is provided with fluid channel on housing unit；Opening/closing component, opening/closing component at least partly extend telescopically into fluid channel, to control the flow of fluid channel；Executive module, executive module are connected with opening/closing component, to control the stroke of opening/closing component；Shield assembly, shield assembly include at least one deformable body, and deformable body is arranged between opening/closing component and housing unit, to prevent the fluid media (medium) in fluid channel from revealing.Technical solution of the present invention efficiently solves the problems, such as that valve seal performance in the prior art is lower and is easy to produce medium leakage.

Description

Valve, pump

This application claims on 09 04th, 2018 submission Patent Office of the People's Republic of China, application No. is 201811027325.3, application The priority of the Chinese patent application of title " valve ", entire contents are hereby incorporated by reference in the application.

Technical field

The present invention relates to machinery manufacturing technology fields, in particular to a kind of valve, pump.

Background technique

With the development of society, the application of valve is very extensive, the medium of conveying is also to become increasingly complex, we are wanting While asking reduction to wear, the sealing performance of valve is also required higher.

But traditional valve seal performance is lower, is unable to reach sealing demand.It can be produced in the case that sealing performance is bad The problem of raw medium leakage, many economic losses are generated, or even toxic in medium or when being corrosive, it can be because leakage be waved The toxicity or corrosive substance of sending are possible to that the life security of people can be endangered.

Summary of the invention

The main purpose of the present invention is to provide a kind of valve, pump, with solve valve seal performance in the prior art compared with Low the problem of being easy to produce medium leakage.

To achieve the goals above, a kind of valve is provided according to the present invention, comprising: housing unit is set on housing unit It is equipped with fluid channel；Opening/closing component, opening/closing component at least partly extend telescopically into fluid channel, to control fluid channel Flow；Executive module, executive module are connected with opening/closing component, to control the stroke of opening/closing component；Shield assembly, shielding group Part includes at least one deformable body, and deformable body is arranged between opening/closing component and housing unit, to prevent the stream in fluid channel The leakage of body medium.

Further, the first end of deformable body and opening/closing component are tightly connected, and the second end and housing unit of deformable body are close Envelope connection, to prevent fluid media (medium) from revealing.

Further, housing unit includes valve body, and fluid channel is arranged in valve body, is provided in the middle part of valve body logical with fluid The opening and closing channel of road connection, opening/closing component are at least partially disposed in opening and closing channel.

Further, opening/closing component includes: valve rod, and the first end of valve rod is connect with executive module, and executive module drives valve Bar is close to or far from fluid channel；The second end of flap, flap and valve rod connects, and flap extends telescopically into fluid channel, To control the flow of fluid channel；The sealing structure with flap cooperation is provided in fluid channel.

Further, the opening and closing mouth with flap cooperation is provided in the middle part of fluid, the axis for opening and closing mouth and fluid channel is in angle Degree setting, sealing structure are that the first seal receptacle surveyed in opening and closing mouth is arranged in.

Further, sealing structure be arranged on valve interior wall and with flap cooperation groove and setting on groove and The bushing being adapted to flap, to improve the leakproofness of flap.

Further, housing unit further includes valve deck, and the opening and closing one end of channel far from fluid channel is arranged in valve deck；Deformation It include the first deformable body and the second deformable body when there are two body settings, the first deformable body and the second deformable body are separately positioned on valve deck Two sides.

Further, housing unit further includes end cap, and end cap is arranged in side of the valve body far from valve deck, offers on end cap With the groove of opening/closing component cooperation.

Further, the junction of valve body and valve deck is the first connector, and the junction of valve body and end cap is the second connection Mouthful, the first connector is identical with the structure of the second connector, with by replace the first connector and the second connector to valve into The positive and negative valve body repacking of row.

Further, the first deformable body both ends seal respectively, and the first end of the first deformable body is provided with the first flange, flap It is equipped with the round concave station cooperated with the first flange, the pressing plate with round concave station cooperation is provided on flap, pressing plate passes through first Fastener is fixed on flap, to clamp the first flange；The second end of first deformable body is provided with the second flange, and the second flange is set It sets between valve body and valve deck, valve body and valve deck are fixed by the second fastener and clamp the second flange, so that fluid media (medium) connects Touching is less than valve rod.

Further, housing unit further includes bracket, and bracket first end is connect with valve deck, the second end and execution group of bracket Part connection；Second deformable body both ends seal respectively, and the first end of the second deformable body is provided with third flange, and third flange setting exists Between valve deck and bracket, valve deck and bracket are fixed by third fastener and clamp third flange；The second end of second deformable body It is provided with the 4th flange, inner hole is provided in the 4th flange, built-in fitting is provided in inner hole, taper hole ring is provided on valve rod, in advance It is provided with gasket, built-in fitting and taper hole ring between embedded part and taper hole ring and passes through the fixed simultaneously pinch seal pad of the 4th fastener.

Further, the first deformable body both ends seal respectively, and the first end of the first deformable body is provided with the first flange, and first It is provided with inner hole in flange, built-in fitting is provided in inner hole, valve rod is equipped with split plate close to the position of flap, and split plate is equipped with side Hole is opposing stationary with valve rod, and taper hole ring is connected on split plate, is provided with gasket between built-in fitting and taper hole ring, built-in fitting and Taper hole ring passes through the fixed simultaneously pinch seal pad of the 5th fastener；The second end of first deformable body is provided with the second flange, and second is convex Edge is arranged between valve body and valve deck, and the second flange is fixed by the 6th fastener and clamped to valve body and valve deck, so that fluid is situated between Matter does not reach part valve rod of the split plate far from valve body side.

Further, the first end of the first deformable body is sealedly attached on valve rod, and the second end of the first deformable body, which seals, to be connected It is connected between valve body and valve deck.

Further, housing unit further includes bracket, and bracket is connect with valve deck, and is in side of the valve deck far from valve body； The first end of second deformable body is sealedly attached on valve rod, the second end of the second deformable body be sealedly attached to bracket and valve deck it Between.

Further, mounting groove is offered on valve rod, the first end of the first deformable body and/or the second deformable body passes through elasticity Sealing element is mounted on the position of mounting groove.

Further, the junction of valve deck and valve rod is provided with sealing ring.

Further, executive module is set as Electric Actuator, hydraulic cylinder, cylinder or manual control mechanism.

Further, deformable body is rubber material or deformable metal structure.

Further, shield assembly is set as two deformable bodys, close to executive module deformable body be rubber elastomer or Person's bellows component, the deformable body far from executive module are bellows component.

Further, opening/closing component includes valve rod and flap, and the first end and housing unit of rubber elastomer are tightly connected, The second end of rubber elastomer is connect with valve stem seal.The first end and housing unit of bellows component are tightly connected, bellows The second end of component is connect with valve stem seal.

Further, bellows component includes: bellows part；Inner support set, inner support are set on bellows part and valve Between bar；Separator, separator are arranged between interior support sleeve and housing unit, and separator divides with inner support set and housing unit It is not tightly connected；The first end of bellows part is connect with separator, and the second end of bellows part is connect with valve stem seal.

Further, inner support set inside is connect with valve stem seal, and shielding cavity is formed between bellows part and valve rod.

Further, at least one water cooled seal chamber, water cooled seal are provided between rubber elastomer and bellows component Chamber is communicated with water-cooling loop.

Further, the two sides of water cooled seal chamber are at least each provided with one group of static seal, water cooled seal is intracavitary be provided with to A few dynamic sealing.

The present invention also provides a kind of valve, valve is butterfly valve, comprising: housing unit is provided with fluid on housing unit Channel；Opening/closing component, opening/closing component are at least partly in fluid channel, the part opening/closing component in fluid channel Captured area is adjustable, to control the flow of fluid channel；Executive module, executive module are connected with opening/closing component, are opened with control Close the captured area of component；Shield assembly, shield assembly include at least one deformable body, and deformable body is arranged in opening/closing component and shell Between body component, to prevent the fluid media (medium) in fluid channel from revealing.

Further, the flange of the first end of deformable body by butterfly valve bearing block and stent clamping and form static seal；Become The second end of body connect with opening/closing component and forms static seal.

Further, opening/closing component includes upper valve rod, and the second end of deformable body is fixed on upper valve by third fixation kit On bar；The second end of deformable body has flange, is provided with the ring of protrusion in the upper and lower end faces of flange at least one end face Shape structure, cyclic structure at least one, cyclic structure with the groove-like structure that is arranged on third fixation kit by cooperating, with shape At at least one sealing weir.

Further, opening/closing component includes upper valve rod, lower valve rod and flap, is provided with flange on lower valve rod, flange it is upper Lower both ends are provided with thrust bearing, to reduce frictional force of valve rod during flap is opened in rotation.

Further, opening/closing component includes upper valve rod, lower valve rod and flap, and lower valve rod wears valve body；Valve body and lower valve rod Between be provided with Upper shaft sleeve and Lower shaft sleeve；Valve body is provided with Upper shaft sleeve mounting groove close to the side of executive module, and Upper shaft sleeve passes through Mounting assembly is mounted in Upper shaft sleeve mounting groove；Valve body is provided with Lower shaft sleeve mounting groove, Lower shaft sleeve far from the side of executive module It is mounted in Lower shaft sleeve mounting groove by end cap.

The present invention also provides a kind of valve, valve is ball valve, comprising: housing unit is provided with fluid on housing unit Channel；Opening/closing component, opening/closing component are at least partly in fluid channel, the part opening/closing component in fluid channel Captured area is adjustable, to control the flow of fluid channel；Executive module, executive module are connected with opening/closing component, are opened with control Close the captured area of component；Shield assembly, shield assembly include at least one deformable body, and deformable body is arranged in opening/closing component and shell Between body component, to prevent the fluid media (medium) in fluid channel from revealing.

Further, the flange of the first end of deformable body is clamped by the end cap and limit base of ball valve and forms static seal；Become The second end of body connect with opening/closing component and forms static seal.

The present invention also provides a kind of valve, valve is above-mentioned valve, is provided with flap valve on the pipeline where valve.

Further, flap valve includes driving structure；Lifting machine, lifting machine are connect with driving structure；Valve body, valve body are hollow The side of structure, valve body is connect with lifting machine, is provided with fluid channel on the inside of valve body；The output end of sleeve, sleeve and lifting machine Detachably connected, sleeve is provided with connecting rope far from the side of lifting machine；The side of fluid channel is arranged in flap, flap, Flap is rotationally connected with valve body close to the side of lifting machine, and flap, which has the first position for blocking fluid channel and opens fluid, to be led to The second position in road；Shield assembly, shield assembly are arranged between sleeve and valve body；Wherein, connecting rope is connect with flap, with logical Cross the position of lifting machine switching flap.

The present invention also provides a kind of pump, including shield assembly, the shield assembly is above-mentioned shield assembly.

It applies the technical scheme of the present invention, setting of the shield assembly between opening/closing component and housing unit can open The fluid media (medium) in fluid channel is shielded while closing the flow of component control fluid channel, prevents the fluid in fluid channel Medium flows out in the gap between opening/closing component and housing unit, can thus produce to avoid because valve seal performance is lower Raw medium leakage.The setting of deformable body can remain convection current with the opening and closing of valve in the course of work of opening/closing component The shielding action of body medium.It is lower easy that technical solution of the present invention efficiently solves valve seal performance in the prior art Lead to the problem of medium leakage.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:

Fig. 1 shows the structural schematic diagram of the embodiment one of valve according to the present invention；

Fig. 2 shows the enlarged drawings of shield assembly at A in Fig. 1；

Fig. 3 shows the structural schematic diagram of the embodiment two of valve according to the present invention；

Fig. 4 shows the structural schematic diagram of the embodiment three of valve according to the present invention；

Fig. 5 shows the structural schematic diagram of the example IV of valve according to the present invention；

Fig. 6 shows the structural schematic diagram of the embodiment five of valve according to the present invention；

The structural schematic diagram when embodiment six that Fig. 7 shows valve according to the present invention is opened；

Fig. 8 shows the enlarged drawing in Fig. 7 at B；

The structural schematic diagram when embodiment six that Fig. 9 shows valve according to the present invention is closed；

Figure 10 shows the structural schematic diagram of the valve of embodiment seven in the present invention；

Figure 11 shows the first fixation kit in the present invention in the valve of embodiment seven and the amplification after deformable body cooperation Figure；

Figure 12 shows the structural schematic diagram of the valve of embodiment eight in the present invention；

Figure 13 shows the structural schematic diagram of the valve of embodiment nine in the present invention；

Figure 14 shows the valve rod flange in the present invention in embodiment nine and the enlarged drawing after thrust bearing installation；

Figure 15 shows the enlarged drawing of upper valve rod and lower valve rod fit structure in the present invention in embodiment nine；

Figure 16 shows the enlarged drawing after the deformable body installation of valve in embodiment nine in the present invention；

Figure 17 shows in the present invention in embodiment ten valve structural schematic diagram；

Figure 18 shows the structural schematic diagram of valve in embodiment 11 in the present invention；

Figure 19 shows enlarged drawing when shield assembly is connect with valve rod in valve in embodiment 11 in the present invention；

Figure 20 shows enlarged drawing when bellows component is connect with valve rod in valve in embodiment 11 in the present invention；

Figure 21 shows the structural schematic diagram of valve in embodiment 12 in the present invention；

Figure 22 to Figure 27 shows the structural schematic diagram of flap and a variety of seal forms of valve body in the present invention；

Figure 28 shows the structural schematic diagram of butterfly valve in embodiment 13 in the present invention；

Figure 29 shows the structural schematic diagram of ball valve in embodiment 14 in the present invention；

Figure 30 to Figure 32 shows the structural schematic diagram of plunger pump in embodiment 15 in the present invention；

Figure 33 shows the structural schematic diagram of flap valve in embodiment 16 in the present invention.

Wherein, the above drawings include the following reference numerals:

10, housing unit；11, valve body；111, fluid channel；12, valve deck；13, bracket；14, end cap；15, bearing block； 16, limit base；20, opening/closing component；21, valve rod；211, guide pad；212, mounting groove；22, flap；23, valve seat；24, spherical shape opens Closing member；30, executive module；40, shield assembly；41, the first deformable body；411, cyclic structure；42, the second deformable body；43, pre-buried Part；44, taper hole ring；45, gasket；50, sealing structure；51, the first seal receptacle；52, groove；53, bushing；54, the second sealing Seat；60, bearing；70, relief hole；80, elastic sealing element；90, sealing ring；100, the first fixation kit；101, the first fixed plate； 102, the second fixed plate；103, groove-like structure；200, the second fixation kit；201, third fixed plate；202, the 4th fixed plate； 300, third fixation kit；301, the 5th fixed plate；302, the 6th fixed plate；400, upper valve rod；401, lower valve rod；402, valve rod Flange；403, thrust bearing；404, Upper shaft sleeve；405, filler assembly；406, Lower shaft sleeve；407, divided ring；500, mounting assembly； 600, delta ring sealing gasket；700, helicla flute；701, jackscrew；800, bellows component；801, bellows part；802, inner support Set；803, separator；900, water cooling shielding cavity；1000, plunger pump；1100, shell；1200, input shaft；1201, crankshaft； 1202, link mechanism；1300, piston rod；1301, cylinder sleeve；1410, deformable body；1411, the first flange；1412, the second flange； 1420, flange living；1430, fixed structure；1500, inlet tube；2000, flap valve；2001, retarder；2002, lifting machine；2003, Sleeve；2005, valve deck；2006, valve body；2007, pulley；2008, connecting rope；2009, flap；2010, interface is cleaned；2011, Centrifugal pump.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Embodiment one,

As depicted in figs. 1 and 2, one of embodiment one valve, including housing unit 10, opening/closing component 20, execution group Part 30 and shield assembly 40.Fluid channel 111 is provided on housing unit 10.Opening/closing component 20 is at least partly telescopically stretched Enter in fluid channel 111, to control the flow of fluid channel 111.Executive module 30 is connected with opening/closing component 20, to control opening and closing The stroke of component 20.Shield assembly 40 includes at least one deformable body, and deformable body is arranged in opening/closing component 20 and housing unit Between 10, to prevent the fluid media (medium) in fluid channel 111 from revealing.

Using the technical solution of the present embodiment one, the setting between opening/closing component 20 and housing unit 10 of shield assembly 40 It sets, can shield the fluid media (medium) in fluid channel 111 while opening/closing component 20 controls the flow of fluid channel 111, It prevents the fluid media (medium) in fluid channel 111 from flowing out in the gap between opening/closing component 20 and housing unit 10, thus may be used To avoid the medium leakage generated because valve seal performance is lower.The setting of deformable body can be in the worked of opening/closing component 20 As the opening and closing of valve remains the shielding action of fluid medium in journey.The technical solution of the present embodiment one efficiently solves Valve seal performance in the prior art lower the problem of being easy to produce medium leakage.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, the first end and opening/closing component 20 of deformable body are sealed Connection, the second end and housing unit 10 of deformable body are tightly connected, to prevent fluid media (medium) from revealing.Above structure can be preferably Fluid medium is shielded and is sealed, and then prevents fluid media (medium) from revealing from the gap of opening/closing component 20 and housing unit 10 Out.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, housing unit 10 includes valve body 11, fluid channel 111 are arranged in valve body 11, the opening and closing channel being connected to fluid channel 111 are provided in the middle part of valve body 11, opening/closing component 20 is at least It is partially disposed in opening and closing channel.The setting of fluid channel 111 with external pipe to be connected to.Open and close channel setting to Opening/closing component 20 is installed, preferably to control the flow of fluid channel 111.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, opening/closing component 20 includes valve rod 21 and flap 22.Valve The first end of bar 21 is connect with executive module 30, and executive module 30 is with ovable valve stem 21 close to or far from fluid channel 111.Flap 22 It is connect with the second end of valve rod 21, flap 22 extends telescopically into fluid channel 111, to control the flow of fluid channel 111. The sealing structure cooperated with flap 22 is provided in fluid channel 111.Above structure is by the stroke of control flap 22 to control The flow of fluid channel 111 processed, when flow is zero, valve is in close state.The cooperation of sealing structure can be preferably right Flow is controlled, and the leakproofness that valve is in close state is improved.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, opening/closing component 20 and the axis of fluid channel 111 are in Angle setting, fluid middle part are provided with the opening and closing mouth cooperated with flap 22.Open and close mouth setting can preferably with flap 22 into Row cooperation.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, the axis for opening and closing mouth and fluid channel 111 is angled Setting, sealing structure are that the first seal receptacle 51 surveyed in opening and closing mouth is arranged in.Above structure can reduce 20 convection current of opening/closing component The resistance of body medium, and then impact of the fluid media (medium) to shield assembly 40 can be reduced, improve the stability of shield assembly 40.The The leakproofness between opening and closing mouth and flap 22 can be improved in the setting of one seal receptacle 51.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, housing unit 10 further includes valve deck 12, and valve deck 12 is set It sets in the opening and closing one end of channel far from fluid channel 111.It include that the first deformable body 41 and second becomes when there are two deformable body settings Body 42, the first deformable body 41 and the second deformable body 42 are separately positioned on the two sides of valve deck 12.Valve deck 12 sets in above structure On the one hand setting can make opening/closing component 20 more reliable and more stable, on the other hand can be installed by valve deck 12 to deformable body. The sealing performance of deformable body can be improved, by the interaction of valve deck 12 and valve body 11 to reach preferably shield effectiveness.The The setting of one deformable body 41 and the second deformable body 42 can form double layer screen effect, to reach preferably shielding action.Deformation Body can also be arranged more, and setting two is the preferred embodiment of the present embodiment.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, 41 both ends of the first deformable body seal respectively, and first becomes The first end of body 41 is provided with the first flange, and flap 22 is equipped with the round concave station cooperated with the first flange, sets on flap 22 It is equipped with the pressing plate with round concave station cooperation, pressing plate is fixed on flap 22 by the first fastener, to clamp the first flange.First The second end of deformable body 41 is provided with the second flange, and the second flange is arranged between valve body 11 and valve deck 12, valve body 11 and valve deck 12 fix by the second fastener and clamp the second flange, so that fluid media (medium) does not reach valve rod 21.Above structure can lead to The setting for crossing the first deformable body 41 completely attaches to fluid media (medium) less than valve rod 21, also makes fluid media (medium) can not be by valve deck 12 Through-hole guarantees the safety of valve to external leakage.The setting of first deformable body 41 can form the first protective barrier.On The valve rod 21 for stating structure can be made of general material, to reduce processing cost.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, housing unit 10 further includes bracket 13, bracket 13 One end is connect with valve deck 12, and the second end of bracket 13 is connect with executive module 30.Second deformable body, 42 both ends seal respectively, and second The first end of deformable body 42 is provided with third flange, and third flange is arranged between valve deck 12 and bracket 13, valve deck 12 and bracket 13 are fixed by third fastener and clamp third flange.The second end of second deformable body 42 is provided with the 4th flange, and the 4th is convex It is provided with inner hole in edge, built-in fitting 43 is provided in inner hole, taper hole ring 44, built-in fitting 43 and taper hole ring 44 are provided on valve rod 21 Between be provided with gasket 45, built-in fitting 43 and taper hole ring 44 is fixed by the 4th fastener and pinch seal pad 45.Above-mentioned knot The setting of the second deformable body 42 can be further improved the shield effectiveness of valve in structure, even if 41 drop-in of the first deformable body is broken Damage can also form the second protective barrier, it is ensured that fluid media (medium) will not pass through valve leaks.Above-mentioned gasket 45 is preferably triangle Shape gasket 45 or " O " shape gasket 45, so as to have more preferably sealing effect between the second deformable body 42 and valve rod 21.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, through-hole is offered on valve deck 12, valve rod 21 passes through logical Hole is provided with the second seal receptacle 54 between valve rod 21 and valve deck 12, to prevent fluid media (medium) between valve rod 21 and valve deck 12 Gap leakage.The setting of second seal receptacle 54 can prevent gap leakage of the fluid media (medium) between valve rod 21 and valve deck 12, this Sample can form third protective barrier.The setting of first protective barrier, the second protective barrier and third protective barrier can be most Limits fluid medium shielded.

It is worth noting that, the first protective barrier, the second protective barrier and third protection can be arranged according to the actual situation One or two of barrier can also be taken with the mixing that multiple or random assortment and random number is arranged in same protective barrier Match.

As depicted in figs. 1 and 2, it in the technical solution of embodiment one, is provided on valve rod 21 and is slidably connected with bracket 13 Guide pad 211, compatible sliding slot and sliding rail are offered on bracket 13 and guide pad 211, to prevent valve rod 21 from rotating.It is above-mentioned Structure can make the movement of valve rod 21 more reliable and more stable.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, housing unit 10 and opening/closing component 20 and fluid are situated between The part of matter contact is made of stainless steel or special alloy.Above structure can be by the component of not contact medium with common material generation It replaces, precious materials can be saved in this way, reduce cost, wide market.Above structure is the preferred embodiment of the present embodiment, Stainless steel or special alloy all can be used to be made the metal part of entire valve according to demand.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, executive module 30 is set as Electric Actuator, hydraulic Cylinder, cylinder or manual control mechanism.Executive module 30 can arrange in pairs or groups according to the actual working conditions.The present embodiment is had chance with Electric Actuator.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, it is provided with valve stem nut on executive module 30, executes The rotation of 30 driving stem nut of component, valve stem nut are threadedly coupled with valve rod 21, and valve stem nut outer circle is equipped with suitable with valve stem nut The bearing 60 matched.Executive module 30 in above structure is Electric Actuator, and the setting of valve stem nut can pass through the side of rotation Formula band ovable valve stem 21 is flexible.Bearing 60 is set as thrust ball bearing, and preferably to cooperate with valve stem nut, valve rod 21 is in bracket 13 It can only move along a straight line with the sliding slot and sliding rail being arranged on guide pad 211, in this way the valve rod 21 under the action of Electric Actuator Stretching motion just can be only done, and then flap 22 is driven to open and close valve.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, deformable body is rubber material or deformable metal knot Structure.Specifically, rubber material can be butyl rubber or natural rubber, and variable metal structure can be set to stainless steel or spy Bellows or other deformable structures are made in kind alloy.

As depicted in figs. 1 and 2, in the technical solution of embodiment one, deformable body at least has one layer.Become in above structure Body can be formed by stacking by multi-layer material, can be combined the advantages of each material in this way, have preferably shielding effect Fruit.And it can be with the selection range of enlargement deformation body, for example, being coated with ripple made of the common material of at least one layer of rubber material Pipe.

Embodiment two,

As shown in figure 3, one of embodiment two valve, including housing unit 10, opening/closing component 20,30 and of executive module Shield assembly 40.Fluid channel 111 is provided on housing unit 10.Opening/closing component 20 at least partly extends telescopically into fluid In channel 111, to control the flow of fluid channel 111.Executive module 30 is connected with opening/closing component 20, to control opening/closing component 20 Stroke.Shield assembly 40 includes at least one deformable body, and deformable body is arranged between opening/closing component 20 and housing unit 10, To prevent the fluid media (medium) in fluid channel 111 from revealing.

Using the technical solution of the present embodiment two, the setting between opening/closing component 20 and housing unit 10 of shield assembly 40 It sets, can shield the fluid media (medium) in fluid channel 111 while opening/closing component 20 controls the flow of fluid channel 111, It prevents the fluid media (medium) in fluid channel 111 from flowing out in the gap between opening/closing component 20 and housing unit 10, thus may be used To avoid the medium leakage generated because valve seal performance is lower.The setting of deformable body can be in the worked of opening/closing component 20 As the opening and closing of valve remains the shielding action of fluid medium in journey.The technical solution of the present embodiment two efficiently solves Valve seal performance in the prior art lower the problem of being easy to produce medium leakage.

As shown in figure 3, the first end and opening/closing component 20 of deformable body are tightly connected in the technical solution of embodiment two, The second end and housing unit 10 of deformable body are tightly connected, to prevent fluid media (medium) from revealing.Above structure can preferably convection current Body medium is shielded and is sealed, and then prevents fluid media (medium) from leaking out from the gap of opening/closing component 20 and housing unit 10 Come.

As shown in figure 3, housing unit 10 includes valve body 11 in the technical solution of embodiment two, fluid channel 111 is arranged In valve body 11, the opening and closing channel being connected to fluid channel 111 is provided in the middle part of valve body 11, opening/closing component 20 is at least partly set It sets in opening and closing channel.The setting of fluid channel 111 with external pipe to be connected to.The setting in channel is opened and closed to install opening and closing Component 20, preferably to control the flow of fluid channel 111.

As shown in figure 3, opening/closing component 20 includes valve rod 21 and flap 22 in the technical solution of embodiment two.Valve rod 21 First end connect with executive module 30, executive module 30 is with ovable valve stem 21 close to or far from fluid channel 111.Flap 22 and valve The second end of bar 21 connects, and flap 22 extends telescopically into fluid channel 111, to control the flow of fluid channel 111.Fluid The sealing structure cooperated with flap 22 is provided in channel 111.Above structure is by the stroke of control flap 22 to control stream The flow in body channel 111, when flow is zero, valve is in close state.The cooperation of sealing structure can be preferably to flow It is controlled, improves the leakproofness that valve is in close state.

As shown in figure 3, housing unit 10 further includes valve deck 12 in the technical solution of embodiment two, the setting of valve deck 12 exists Open and close the one end of channel far from fluid channel 111.It include the first deformable body 41 and the second deformable body when there are two deformable body settings 42, the first deformable body 41 and the second deformable body 42 are separately positioned on the two sides of valve deck 12.The setting one of valve deck 12 in above structure Aspect can make opening/closing component 20 more reliable and more stable, on the other hand can be installed by valve deck 12 to deformable body.Pass through The sealing performance of deformable body can be improved in the interaction of valve deck 12 and valve body 11, to reach preferably shield effectiveness.First becomes The setting of body 41 and the second deformable body 42 can form double layer screen effect, to reach preferably shielding action.Deformable body is also It can be set more, setting two is the preferred embodiment of the present embodiment.

As shown in figure 3, first deformable body, 41 both ends seal respectively, the first deformable body in the technical solution of embodiment two 41 first end is provided with the first flange, and inner hole is provided in the first flange, and built-in fitting 43 is provided in inner hole, and valve rod 21 is close The position of flap 22 is equipped with split plate, and split plate is equipped with square hole and valve rod 21 is opposing stationary, and taper hole ring 44 is connected on split plate, Gasket 45 is provided between built-in fitting 43 and taper hole ring 44, built-in fitting 43 and taper hole ring 44 are fixed and pressed from both sides by the 5th fastener Close packing 45.The second end of first deformable body 41 is provided with the second flange, the setting of the second flange valve body 11 and valve deck 12 it Between, the second flange is fixed by the 6th fastener and clamped to valve body 11 and valve deck 12, so that fluid media (medium) does not reach split plate Part valve rod 21 far from 11 side of valve body.Above structure can make fluid media (medium) only can be with by the setting of the first deformable body 41 Contact portion valve rod 21 also makes fluid media (medium) can not be by the through-hole of valve deck 12 to external leakage, and then guarantees the safety of valve Property.The setting of first deformable body 41 can form the first protective barrier.The valve rod 21 of above structure can will not contact fluid Jie The part of matter is made of general material, to reduce processing cost.

As shown in figure 3, housing unit 10 further includes bracket 13,13 first end of bracket in the technical solution of embodiment two It is connect with valve deck 12, the second end of bracket 13 is connect with executive module 30.Second deformable body, 42 both ends seal respectively, the second deformation The first end of body 42 is provided with third flange, and third flange is arranged between valve deck 12 and bracket 13, and valve deck 12 and bracket 13 are logical Third fastener is crossed to fix and clamp third flange.The second end of second deformable body 42 is provided with the 4th flange, in the 4th flange It is provided with inner hole, built-in fitting 43 is provided in inner hole, taper hole ring 44 is provided on valve rod 21, between built-in fitting 43 and taper hole ring 44 It is provided with gasket 45, built-in fitting 43 and taper hole ring 44 and passes through the fixed simultaneously pinch seal pad 45 of the 4th fastener.In above structure The setting of second deformable body 42 can be further improved the shield effectiveness of valve, even if the 41 drop-in breakage of the first deformable body The second protective barrier can be formed, it is ensured that fluid media (medium) will not pass through valve leaks.Above-mentioned gasket 45 is preferably that triangle is close Packing 45 or " O " shape gasket 45, so as to have more preferably sealing effect between the second deformable body 42 and valve rod 21.

As shown in figure 3, offering through-hole on valve deck 12 in the technical solution of embodiment two, valve rod 21 passes through through-hole, valve The second seal receptacle 54 is provided between bar 21 and valve deck 12, to prevent gap of the fluid media (medium) between valve rod 21 and valve deck 12 from letting out Dew.The setting of second seal receptacle 54 can prevent gap leakage of the fluid media (medium) between valve rod 21 and valve deck 12, thus may be used To form third protective barrier.The setting of first protective barrier, the second protective barrier and third protective barrier can be to greatest extent Ground fluid medium is shielded.

It is worth noting that, the first protective barrier, the second protective barrier and third protection can be arranged according to the actual situation One or two of barrier can also be taken with the mixing that multiple or random assortment and random number is arranged in same protective barrier Match.As shown in figure 3, in the technical solution of embodiment two, portion that housing unit 10 and opening/closing component 20 are contacted with fluid media (medium) It is divided into stainless steel or special alloy is made.Above structure can replace the component of not contact medium with common material, in this way may be used To save precious materials, cost, wide market are reduced.Above structure is the preferred embodiment of the present embodiment, can also basis The metal part of entire valve is all used stainless steel or special alloy to be made by demand.

As shown in figure 3, executive module 30 is set as Electric Actuator, hydraulic cylinder, gas in the technical solution of embodiment two Cylinder or manual control mechanism.Executive module 30 can arrange in pairs or groups according to the actual working conditions.The present embodiment is had chance with electronic Actuator.

As shown in figure 3, being provided with valve stem nut, executive module on executive module 30 in the technical solution of embodiment two The rotation of 30 driving stem nuts, valve stem nut is threadedly coupled with valve rod 21, and valve stem nut outer circle with valve stem nut equipped with being adapted to Bearing 60.Executive module 30 in above structure is Electric Actuator, the setting of valve stem nut can by way of rotation band Ovable valve stem 21 is flexible.Bearing 60 is set as thrust ball bearing, and preferably to cooperate with valve stem nut, valve rod 21 is in bracket 13 and leads The sliding slot and sliding rail being arranged on block 211 can only move along a straight line, and valve rod 21 is just only under the action of Electric Actuator in this way Stretching motion can be done, and then flap 22 is driven to open and close valve.

As shown in figure 3, relief hole 70 is provided on flap 22 in the technical solution of embodiment two, it is logical with balanced fluid Pressure in road 111.The setting of above structure relief hole 70 can make flap 22 when controlling the flow of fluid channel 111, more Add reliable and stable.

As shown in figure 3, executive module 30 is transported with ovable valve stem 21 along 21 axis of valve rod in the technical solution of embodiment two Dynamic, the one end of valve rod 21 far from executive module 30 is in the inverted trapezoidal cooperated with flap 22, and 22 two sides of flap offer straight trough, valve body 11 are internally provided with the rib with straight trough cooperation, so that flap 22 and the opposite sliding of valve body 11, valve body 11 are matched with 22 both ends of flap Conjunction forms sealing pair, realizes valve switch movement with the opposite sliding by flap 22 and valve body 11.Above structure can pass through Flap 22 realizes the opening and closing of valve relative to the sliding of valve body 11, while the formation of sealing pair can have more when valve is closed Good leakproofness.

As shown in figure 3, deformable body is rubber material or deformable metal structure in the technical solution of embodiment two.Tool Body, rubber material can be butyl rubber or natural rubber, and variable metal structure can be set to stainless steel or extraordinary conjunction Bellows or other deformable structures are made in gold.

As shown in figure 3, deformable body at least has one layer in the technical solution of embodiment two.Deformable body in above structure It can be formed by stacking by multi-layer material, can be combined the advantages of each material in this way, there is preferably shield effectiveness.And And it can be with the selection range of enlargement deformation body, for example, being coated with bellows made of the common material of at least one layer of rubber material.

Embodiment three,

As shown in figure 4, one of embodiment three valve, including housing unit 10, opening/closing component 20,30 and of executive module Shield assembly 40.Fluid channel 111 is provided on housing unit 10.Opening/closing component 20 at least partly extends telescopically into fluid In channel 111, to control the flow of fluid channel 111.Executive module 30 is connected with opening/closing component 20, to control opening/closing component 20 Stroke.Shield assembly 40 includes at least one deformable body, and deformable body is arranged between opening/closing component 20 and housing unit 10, To prevent the fluid media (medium) in fluid channel 111 from revealing.

Using the technical solution of the present embodiment three, the setting between opening/closing component 20 and housing unit 10 of shield assembly 40 It sets, can shield the fluid media (medium) in fluid channel 111 while opening/closing component 20 controls the flow of fluid channel 111, It prevents the fluid media (medium) in fluid channel 111 from flowing out in the gap between opening/closing component 20 and housing unit 10, thus may be used To avoid the medium leakage generated because valve seal performance is lower.The setting of deformable body can be in the worked of opening/closing component 20 As the opening and closing of valve remains the shielding action of fluid medium in journey.The technical solution of the present embodiment three efficiently solves Valve seal performance in the prior art lower the problem of being easy to produce medium leakage.

As shown in figure 4, the first end and opening/closing component 20 of deformable body are tightly connected in the technical solution of embodiment three, The second end and housing unit 10 of deformable body are tightly connected, to prevent fluid media (medium) from revealing.Above structure can preferably convection current Body medium is shielded and is sealed, and then prevents fluid media (medium) from leaking out from the gap of opening/closing component 20 and housing unit 10 Come.

As shown in figure 4, housing unit 10 includes valve body 11 in the technical solution of embodiment three, fluid channel 111 is arranged In valve body 11, the opening and closing channel being connected to fluid channel 111 is provided in the middle part of valve body 11, opening/closing component 20 is at least partly set It sets in opening and closing channel.The setting of fluid channel 111 with external pipe to be connected to.The setting in channel is opened and closed to install opening and closing Component 20, preferably to control the flow of fluid channel 111.

As shown in figure 4, opening/closing component 20 includes valve rod 21 and flap 22 in the technical solution of embodiment three.Valve rod 21 First end connect with executive module 30, executive module 30 is with ovable valve stem 21 close to or far from fluid channel 111.Flap 22 and valve The second end of bar 21 connects, and flap 22 extends telescopically into fluid channel 111, to control the flow of fluid channel 111.Fluid The sealing structure cooperated with flap 22 is provided in channel 111.Above structure is by the stroke of control flap 22 to control stream The flow in body channel 111, when flow is zero, valve is in close state.The cooperation of sealing structure can be preferably to flow It is controlled, improves the leakproofness that valve is in close state.

As shown in figure 3, in the technical solution of embodiment two, sealing structure is to be arranged on 11 inner wall of valve body and and flap The groove 52 of 22 cooperations and the bushing 53 for being arranged on groove 52 and being adapted to flap 22, to improve the leakproofness of flap 22.Lining The leakproofness between groove 52 and flap 22 can be improved in the setting of set 53.Groove 52 is preferably complete circular groove, bushing 53 are adapted with groove 52.Further, bushing 53 can be the becket with certain degree of hardness, and be welded on one with valve body 11 It rises, and the centric angle of bushing 53 and fluid channel 111 is close to 5 °.

It is worth noting that, the flap 22 and groove 52 in the present embodiment are sliding connections, pass through sliding into for flap 22 Skid off the opening and closing realized to valve.53 material of bushing can be the engineerings such as polytetrafluoroethylene (PTFE), polyparaphenylene, carbon fiber, PTA, PFA One kind of plastics；Bushing 53 has certain angle and close to 2 °.Preferably, flap 22 has certain angle and close to 2 °, valve It is equipped with relief hole 70 among valve 22, balances cavity pressure in valve body 11, and communicate with the import of fluid channel 111.

As shown in figure 4, deformable body both ends seal respectively in the technical solution of embodiment three, the first end of deformable body is set It is equipped with the first flange, inner hole is provided in the first flange, built-in fitting 43 is provided in inner hole, valve rod 21 is close to the position of flap 22 Equipped with split plate, split plate is equipped with square hole and valve rod 21 is opposing stationary, and taper hole ring 44, built-in fitting 43 and cone are connected on split plate It is provided with gasket 45, built-in fitting 43 and taper hole ring 44 between orifice ring 44 and passes through the fixed simultaneously pinch seal pad 45 of the 5th fastener. The second end of deformable body is provided with the second flange, and the second flange is arranged between valve body 11 and executive module 30, valve body 11 and holds The second flange is fixed by the 6th fastener and clamped to row component 30, so that fluid media (medium) does not reach split plate far from valve body 11 The part valve rod 21 of side.

As shown in figure 4, housing unit 10 and opening/closing component 20 are contacted with fluid media (medium) in the technical solution of embodiment three Part be made of stainless steel or special alloy.Above structure can replace the component of not contact medium with common material, this Sample can save precious materials, reduce cost, wide market.Above structure is the preferred embodiment of the present embodiment, can also be with Stainless steel or special alloy is all used to be made the metal part of entire valve according to demand.

As shown in figure 4, executive module 30 is set as Electric Actuator, hydraulic cylinder, gas in the technical solution of embodiment three Cylinder or manual control mechanism.The preferred hydraulic cylinder of the present embodiment, cylinder or manual control mechanism.Using hydraulic cylinder or cylinder When, telescopic rod can be directly as valve rod 21.Manual control mechanism can be set to link mechanism, can also can ratchet cooperation with Improve the effect of automatic-sealed.

As shown in figure 4, relief hole 70 is provided on flap 22 in the technical solution of embodiment three, it is logical with balanced fluid Pressure in road 111.The setting of above structure relief hole 70 can make flap 22 when controlling the flow of fluid channel 111, more Add reliable and stable.

As shown in figure 4, executive module 30 is transported with ovable valve stem 21 along 21 axis of valve rod in the technical solution of embodiment three Dynamic, the one end of valve rod 21 far from executive module 30 is in the inverted trapezoidal cooperated with flap 22, and 22 two sides of flap offer straight trough, valve body 11 are internally provided with the rib with straight trough cooperation, so that flap 22 and the opposite sliding of valve body 11, valve body 11 are matched with 22 both ends of flap Conjunction forms sealing pair, realizes valve switch movement with the opposite sliding by flap 22 and valve body 11.Above structure can pass through Flap 22 realizes the opening and closing of valve relative to the sliding of valve body 11, while the formation of sealing pair can have more when valve is closed Good leakproofness.

As shown in figure 4, deformable body is rubber material or deformable metal structure in the technical solution of embodiment three.Tool Body, rubber material can be butyl rubber or natural rubber, and variable metal structure can be set to stainless steel or extraordinary conjunction Bellows or other deformable structures are made in gold.

As shown in figure 4, deformable body at least has one layer in the technical solution of embodiment three.Deformable body in above structure It can be formed by stacking by multi-layer material, can be combined the advantages of each material in this way, there is preferably shield effectiveness.And And it can be with the selection range of enlargement deformation body, for example, being coated with bellows made of the common material of at least one layer of rubber material.

Example IV,

As shown in figure 5, one of example IV valve, including housing unit 10, opening/closing component 20,30 and of executive module Shield assembly 40.Fluid channel 111 is provided on housing unit 10.Opening/closing component 20 at least partly extends telescopically into fluid In channel 111, to control the flow of fluid channel 111.Executive module 30 is connected with opening/closing component 20, to control opening/closing component 20 Stroke.Shield assembly 40 includes at least one deformable body, and deformable body is arranged between opening/closing component 20 and housing unit 10, To prevent the fluid media (medium) in fluid channel 111 from revealing.

Using the technical solution of the present embodiment four, the setting between opening/closing component 20 and housing unit 10 of shield assembly 40 It sets, can shield the fluid media (medium) in fluid channel 111 while opening/closing component 20 controls the flow of fluid channel 111, It prevents the fluid media (medium) in fluid channel 111 from flowing out in the gap between opening/closing component 20 and housing unit 10, thus may be used To avoid the medium leakage generated because valve seal performance is lower.The setting of deformable body can be in the worked of opening/closing component 20 As the opening and closing of valve remains the shielding action of fluid medium in journey.The technical solution of the present embodiment four efficiently solves Valve seal performance in the prior art lower the problem of being easy to produce medium leakage.

As shown in figure 5, the first end and opening/closing component 20 of deformable body are tightly connected in the technical solution of example IV, The second end and housing unit 10 of deformable body are tightly connected, to prevent fluid media (medium) from revealing.Above structure can preferably convection current Body medium is shielded and is sealed, and then prevents fluid media (medium) from leaking out from the gap of opening/closing component 20 and housing unit 10 Come.

As shown in figure 5, housing unit 10 includes valve body 11 in the technical solution of example IV, fluid channel 111 is arranged In valve body 11, the opening and closing channel being connected to fluid channel 111 is provided in the middle part of valve body 11, opening/closing component 20 is at least partly set It sets in opening and closing channel.The setting of fluid channel 111 with external pipe to be connected to.The setting in channel is opened and closed to install opening and closing Component 20, preferably to control the flow of fluid channel 111.

As shown in figure 5, opening/closing component 20 includes valve rod 21 and flap 22 in the technical solution of example IV.Valve rod 21 First end connect with executive module 30, executive module 30 is with ovable valve stem 21 close to or far from fluid channel 111.Flap 22 and valve The second end of bar 21 connects, and flap 22 extends telescopically into fluid channel 111, to control the flow of fluid channel 111.Fluid The sealing structure cooperated with flap 22 is provided in channel 111.Above structure is by the stroke of control flap 22 to control stream The flow in body channel 111, when flow is zero, valve is in close state.The cooperation of sealing structure can be preferably to flow It is controlled, improves the leakproofness that valve is in close state.

As shown in figure 5, opening/closing component 20 and the axis of fluid channel 111 are angled in the technical solution of example IV Setting, fluid middle part are provided with the opening and closing mouth cooperated with flap 22.The setting of opening and closing mouth can preferably be matched with flap 22 It closes.Further, flap 22 can be made of the material of flexible deformable, and fluid is completed in a manner of by changing shape and is situated between The change of matter flow curve, such as equal percentage, it is linear, open fastly.

As shown in figure 5, the angled setting of axis of mouth and fluid channel 111 is opened and closed in the technical solution of example IV, Sealing structure is that the first seal receptacle 51 surveyed in opening and closing mouth is arranged in.Above structure can reduce 20 fluid medium of opening/closing component Resistance, and then impact of the fluid media (medium) to shield assembly 40 can be reduced, improve the stability of shield assembly 40.First sealing The leakproofness between opening and closing mouth and flap 22 can be improved in the setting of seat 51.The opening and closing mouth of the present embodiment preferably with fluid channel 111 axis is parallel.

As shown in figure 5, deformable body both ends seal respectively in the technical solution of example IV, the first end of deformable body is set It is equipped with the first flange, inner hole is provided in the first flange, built-in fitting 43 is provided in inner hole, valve rod 21 is close to the position of flap 22 Equipped with split plate, split plate is equipped with square hole and valve rod 21 is opposing stationary, and taper hole ring 44, built-in fitting 43 and cone are connected on split plate It is provided with gasket 45, built-in fitting 43 and taper hole ring 44 between orifice ring 44 and passes through the fixed simultaneously pinch seal pad 45 of the 5th fastener. The second end of deformable body is provided with the second flange, and the second flange is arranged between valve body 11 and executive module 30, valve body 11 and holds The second flange is fixed by the 6th fastener and clamped to row component 30, so that fluid media (medium) does not reach split plate far from valve body 11 The part valve rod 21 of side.

As shown in figure 5, housing unit 10 and opening/closing component 20 are contacted with fluid media (medium) in the technical solution of example IV Part be made of stainless steel or special alloy.Above structure can replace the component of not contact medium with common material, this Sample can save precious materials, reduce cost, wide market.Above structure is the preferred embodiment of the present embodiment, can also be with Stainless steel or special alloy is all used to be made the metal part of entire valve according to demand.

As shown in figure 5, executive module 30 is set as Electric Actuator, hydraulic cylinder, gas in the technical solution of example IV Cylinder or manual control mechanism.The preferred hydraulic cylinder of the present embodiment, cylinder or manual control mechanism.Using hydraulic cylinder or cylinder When, telescopic rod can be directly as valve rod 21.Manual control mechanism can be set to link mechanism, can also can ratchet cooperation with Improve the effect of automatic-sealed.

As shown in figure 5, deformable body is rubber material or deformable metal structure in the technical solution of example IV.Tool Body, rubber material can be butyl rubber or natural rubber, and variable metal structure can be set to stainless steel or extraordinary conjunction Bellows or other deformable structures are made in gold.

As shown in figure 5, deformable body at least has one layer in the technical solution of example IV.Deformable body in above structure It can be formed by stacking by multi-layer material, can be combined the advantages of each material in this way, there is preferably shield effectiveness.And And it can be with the selection range of enlargement deformation body, for example, being coated with bellows made of the common material of at least one layer of rubber material.

Embodiment five,

As shown in fig. 6, one of embodiment five valve, including housing unit 10, opening/closing component 20,30 and of executive module Shield assembly 40.Fluid channel 111 is provided on housing unit 10.Opening/closing component 20 at least partly extends telescopically into fluid In channel 111, to control the flow of fluid channel 111.Executive module 30 is connected with opening/closing component 20, to control opening/closing component 20 Stroke.Shield assembly 40 includes at least one deformable body, and deformable body is arranged between opening/closing component 20 and housing unit 10, To prevent the fluid media (medium) in fluid channel 111 from revealing.

Using the technical solution of the present embodiment five, the setting between opening/closing component 20 and housing unit 10 of shield assembly 40 It sets, can shield the fluid media (medium) in fluid channel 111 while opening/closing component 20 controls the flow of fluid channel 111, It prevents the fluid media (medium) in fluid channel 111 from flowing out in the gap between opening/closing component 20 and housing unit 10, thus may be used To avoid the medium leakage generated because valve seal performance is lower.The setting of deformable body can be in the worked of opening/closing component 20 As the opening and closing of valve remains the shielding action of fluid medium in journey.The technical solution of the present embodiment five efficiently solves Valve seal performance in the prior art lower the problem of being easy to produce medium leakage.

As shown in fig. 6, the first end and opening/closing component 20 of deformable body are tightly connected in the technical solution of embodiment five, The second end and housing unit 10 of deformable body are tightly connected, to prevent fluid media (medium) from revealing.Above structure can preferably convection current Body medium is shielded and is sealed, and then prevents fluid media (medium) from leaking out from the gap of opening/closing component 20 and housing unit 10 Come.

As shown in fig. 6, housing unit 10 includes valve body 11 in the technical solution of embodiment five, fluid channel 111 is arranged In valve body 11, the opening and closing channel being connected to fluid channel 111 is provided in the middle part of valve body 11, opening/closing component 20 is at least partly set It sets in opening and closing channel.The setting of fluid channel 111 with external pipe to be connected to.The setting in channel is opened and closed to install opening and closing Component 20, preferably to control the flow of fluid channel 111.

As shown in fig. 6, opening/closing component 20 includes valve rod 21 and flap 22 in the technical solution of embodiment five.Valve rod 21 First end connect with executive module 30, executive module 30 is with ovable valve stem 21 close to or far from fluid channel 111.Flap 22 and valve The second end of bar 21 connects, and flap 22 extends telescopically into fluid channel 111, to control the flow of fluid channel 111.Fluid The sealing structure cooperated with flap 22 is provided in channel 111.Above structure is by the stroke of control flap 22 to control stream The flow in body channel 111, when flow is zero, valve is in close state.The cooperation of sealing structure can be preferably to flow It is controlled, improves the leakproofness that valve is in close state.

As shown in fig. 6, housing unit 10 further includes valve deck 12 in the technical solution of embodiment five, the setting of valve deck 12 exists Open and close the one end of channel far from fluid channel 111.It include the first deformable body 41 and the second deformable body when there are two deformable body settings 42, the first deformable body 41 and the second deformable body 42 are separately positioned on the two sides of valve deck 12.The setting one of valve deck 12 in above structure Aspect can make opening/closing component 20 more reliable and more stable, on the other hand can be installed by valve deck 12 to deformable body.Pass through The sealing performance of deformable body can be improved in the interaction of valve deck 12 and valve body 11, to reach preferably shield effectiveness.First becomes The setting of body 41 and the second deformable body 42 can form double layer screen effect, to reach preferably shielding action.Deformable body is also It can be set more, setting two is the preferred embodiment of the present embodiment.

As shown in fig. 6, housing unit 10 further includes end cap 14 in the technical solution of embodiment five, the setting of end cap 14 exists Side of the valve body 11 far from valve deck 12 offers the seal groove cooperated with opening/closing component 20 on end cap 14.End cap in above structure 14 setting can be convenient maintenance and maintenance to valve.Further, on seal groove setting can preferably with opening/closing component 20 are cooperated, and improve opening/closing component 20 to the leakproofness of fluid channel 111.

As shown in fig. 6, the junction of valve body 11 and valve deck 12 is the first connector in the technical solution of embodiment five, The junction of valve body 11 and end cap 14 is the second connector, and the first connector is identical as the structure of the second connector, by setting It changes the first connector and the second connector and the positive and negative repacking of valve body 11 is carried out to valve.Above structure can make changing for positive and negative valve body 11 It fills convenient and efficient, valve can be reequiped according to actual needs.It is worth noting that, being executed in the retrofit process of the present embodiment Component 30 does not have to change.

It is worth noting that, flap 22 at least provided with one, is provided in the middle part of fluid channel 111 and flap 22 cooperates Open and close mouth.When flap 22 is set as multiple, stabiliser bar, stabiliser bar and end are extended in the last one 22 bottom of flap far from valve deck 12 Seal groove cooperation on lid 14, to stablize opening/closing component 20.Two flaps, 22, two opening and closing mouths are preferably provided with, and far from valve 22 bottom of flap of lid 12 extends stabiliser bar.20 out-of-balance forces of such setting opening/closing component are small, and allowable pressure drop is big, has simultaneously Biggish discharge coefficient can select lesser executive module 30 under same discharge coefficient.As shown in fig. 6, in embodiment five In technical solution, the angled setting of axis of opening/closing component 20 and fluid channel 111, fluid middle part is provided with and flap 22 cooperates Opening and closing mouth.The setting of opening and closing mouth can preferably be cooperated with flap 22.Further, flap 22 can use flexibility can The material of deformation is made, and the change of flow rate curve is completed in a manner of by changing shape, such as equal percentage, line Property is opened fastly.

As shown in fig. 6, the angled setting of axis of mouth and fluid channel 111 is opened and closed in the technical solution of embodiment five, Sealing structure is that the first seal receptacle 51 surveyed in opening and closing mouth is arranged in.Above structure can reduce 20 fluid medium of opening/closing component Resistance, and then impact of the fluid media (medium) to shield assembly 40 can be reduced, improve the stability of shield assembly 40.First sealing The leakproofness between opening and closing mouth and flap 22 can be improved in the setting of seat 51.The opening and closing mouth of the present embodiment preferably with fluid channel 111 axis is parallel.

As shown in fig. 6, deformable body both ends seal respectively in the technical solution of embodiment five, the first end of deformable body is set It is equipped with the first flange, inner hole is provided in the first flange, built-in fitting 43 is provided in inner hole, valve rod 21 is close to the position of flap 22 Equipped with split plate, split plate is equipped with square hole and valve rod 21 is opposing stationary, and taper hole ring 44, built-in fitting 43 and cone are connected on split plate It is provided with gasket 45, built-in fitting 43 and taper hole ring 44 between orifice ring 44 and passes through the fixed simultaneously pinch seal pad 45 of the 5th fastener. The second end of deformable body is provided with the second flange, and the second flange is arranged between valve body 11 and executive module 30, valve body 11 and holds The second flange is fixed by the 6th fastener and clamped to row component 30, so that fluid media (medium) does not reach split plate far from valve body 11 The part valve rod 21 of side.

As shown in fig. 6, housing unit 10 and opening/closing component 20 are contacted with fluid media (medium) in the technical solution of embodiment five Part be made of stainless steel or special alloy.Above structure can replace the component of not contact medium with common material, this Sample can save precious materials, reduce cost, wide market.Above structure is the preferred embodiment of the present embodiment, can also be with Stainless steel or special alloy is all used to be made the metal part of entire valve according to demand.

As shown in fig. 6, executive module 30 is set as Electric Actuator, hydraulic cylinder, gas in the technical solution of embodiment five Cylinder or manual control mechanism.The preferred hydraulic cylinder of the present embodiment, cylinder or manual control mechanism.Using hydraulic cylinder or cylinder When, telescopic rod can be directly as valve rod 21.Manual control mechanism can be set to link mechanism, can also can ratchet cooperation with Improve the effect of automatic-sealed.

As shown in fig. 6, deformable body is rubber material or deformable metal structure in the technical solution of embodiment five.Tool Body, rubber material can be butyl rubber or natural rubber, and variable metal structure can be set to stainless steel or extraordinary conjunction Bellows or other deformable structures are made in gold.

As shown in fig. 6, deformable body at least has one layer in the technical solution of embodiment five.Deformable body in above structure It can be formed by stacking by multi-layer material, can be combined the advantages of each material in this way, there is preferably shield effectiveness.And And it can be with the selection range of enlargement deformation body, for example, being coated with bellows made of the common material of at least one layer of rubber material.

Embodiment six,

As shown in figures 7 and 9, one of embodiment six valve, including housing unit 10, opening/closing component 20, execution group Part 30 and shield assembly 40.Fluid channel 111 is provided on housing unit 10.Opening/closing component 20 is at least partly telescopically stretched Enter in fluid channel 111, to control the flow of fluid channel 111.Executive module 30 is connected with opening/closing component 20, to control opening and closing The stroke of component 20.Shield assembly 40 includes at least one deformable body, and deformable body is arranged in opening/closing component 20 and housing unit Between 10, to prevent the fluid media (medium) in fluid channel 111 from revealing.

Using the technical solution of the present embodiment six, the setting between opening/closing component 20 and housing unit 10 of shield assembly 40 It sets, can shield the fluid media (medium) in fluid channel 111 while opening/closing component 20 controls the flow of fluid channel 111, It prevents the fluid media (medium) in fluid channel 111 from flowing out in the gap between opening/closing component 20 and housing unit 10, thus may be used To avoid the medium leakage generated because valve seal performance is lower.The setting of deformable body can be in the worked of opening/closing component 20 As the opening and closing of valve remains the shielding action of fluid medium in journey.The technical solution of the present embodiment six efficiently solves Valve seal performance in the prior art lower the problem of being easy to produce medium leakage.

As shown in Figure 7 to 9, in the technical solution of embodiment six, the first end and opening/closing component 20 of deformable body are sealed Connection, the second end and housing unit 10 of deformable body are tightly connected, to prevent fluid media (medium) from revealing.Above structure can be preferably Fluid medium is shielded and is sealed, and then prevents fluid media (medium) from revealing from the gap of opening/closing component 20 and housing unit 10 Out.

As shown in Figure 7 to 9, in the technical solution of embodiment six, housing unit 10 includes valve body 11, fluid channel 111 are arranged in valve body 11, the opening and closing channel being connected to fluid channel 111 are provided in the middle part of valve body 11, opening/closing component 20 is at least It is partially disposed in opening and closing channel.The setting of fluid channel 111 with external pipe to be connected to.Open and close channel setting to Opening/closing component 20 is installed, preferably to control the flow of fluid channel 111.

As shown in Figure 7 to 9, in the technical solution of embodiment six, opening/closing component 20 includes valve rod 21 and flap 22.Valve The first end of bar 21 is connect with executive module 30, and executive module 30 is with ovable valve stem 21 close to or far from fluid channel 111.Flap 22 It is connect with the second end of valve rod 21, flap 22 extends telescopically into fluid channel 111, to control the flow of fluid channel 111. The sealing structure cooperated with flap 22 is provided in fluid channel 111.Above structure is by the stroke of control flap 22 to control The flow of fluid channel 111 processed, when flow is zero, valve is in close state.The cooperation of sealing structure can be preferably right Flow is controlled, and the leakproofness that valve is in close state is improved.

As shown in Figure 7 to 9, in the technical solution of embodiment six, opening/closing component 20 and the axis of fluid channel 111 are in Angle setting, fluid middle part are provided with the opening and closing mouth cooperated with flap 22.Open and close mouth setting can preferably with flap 22 into Row cooperation.

As shown in Figure 7 to 9, in the technical solution of embodiment six, the axis for opening and closing mouth and fluid channel 111 is angled Setting, sealing structure are that the first seal receptacle 51 surveyed in opening and closing mouth is arranged in.Above structure can reduce 20 convection current of opening/closing component The resistance of body medium, and then impact of the fluid media (medium) to shield assembly 40 can be reduced, improve the stability of shield assembly 40.The The leakproofness between opening and closing mouth and flap 22 can be improved in the setting of one seal receptacle 51.

As shown in Figure 7 to 9, in the technical solution of embodiment six, housing unit 10 further includes valve deck 12, and valve deck 12 is set It sets in the opening and closing one end of channel far from fluid channel 111.It include that the first deformable body 41 and second becomes when there are two deformable body settings Body 42, the first deformable body 41 and the second deformable body 42 are separately positioned on the two sides of valve deck 12.Valve deck 12 sets in above structure On the one hand setting can make opening/closing component 20 more reliable and more stable, on the other hand can be installed by valve deck 12 to deformable body. The sealing performance of deformable body can be improved, by the interaction of valve deck 12 and valve body 11 to reach preferably shield effectiveness.The The setting of one deformable body 41 and the second deformable body 42 can form double layer screen effect, to reach preferably shielding action.Deformation Body can also be arranged more, and setting two is the preferred embodiment of the present embodiment.

As shown in Figure 7 to 9, in the technical solution of embodiment six, the first end of the first deformable body is sealedly attached to valve On bar, the second end of the first deformable body is sealedly attached between valve body and valve deck.Housing unit further includes bracket, bracket and valve deck Connection, and it is in side of the valve deck far from valve body.The first end of second deformable body is sealedly attached on valve rod, the second deformable body Second end is sealedly attached between bracket and valve deck.Above structure can be such that the first deformable body and the second deformable body is stably installed In valve internal, guarantee the leakproofness of valve.And the simpler convenience of installation of two denaturation bodies in the present embodiment.

As shown in Figure 7 to 9, in the technical solution of embodiment six, mounting groove, the first deformable body are offered on valve rod And/or second the first end of deformable body the position of mounting groove is mounted on by elastic sealing element.Above structure can be by deformable body It is more stably mounted on valve rod, guarantees the leakproofness of the first deformable body and the second deformable body, and then guarantee the sealing of valve Property.

As shown in Figure 7 to 9, in the technical solution of embodiment six, the junction of valve deck and valve rod is provided with sealing ring. Above structure can further increase one layer of sealing, and then keep the sealing of valve more reliable and more stable.Further, sealing ring is set It is set to ring-shaped rubber sealing, guarantees to form the movement for not influencing valve rod while sealing.Further, there is junction with valve rod Other component sealing ring can be set.Such as: sealing ring also can be set in the junction of bracket and valve rod；Or bracket with When being provided with connecting plate between valve deck, and connecting plate and valve rod have intersection, may be otherwise setting sealing ring.

Embodiment seven,

The present embodiment and the difference of embodiment one to embodiment six are:

As shown in Figure 10 and Figure 11, the valve in the present embodiment is provided with a deformable body, as the first deformable body 41, should The first end of first deformable body 41 forms static seal by valve deck 12 and the clamping of valve body 11.

The second end of first deformable body 41 is mounted on valve rod, and the second end of the first deformable body 41 has flange, and flange is logical The first fixation kit 100 is crossed to be mounted on valve rod.

First fixation kit 100 includes the first fixed plate 101 and the second fixed plate 102, and flange is arranged in the first fixed plate 101 and second between fixed plate 102.First fixed plate 101 is detachably connected on valve rod, and the second fixed plate 102 passes through fastening Part is connect with the first fixed plate 101, and grip flange.

The cyclic structure 411 of at least one protrusion is provided in the upper and lower end faces of flange at least one end face, it is excellent Semi-circular cross-section annulus is selected, by cooperating with the groove-like structure 103 being arranged on the first fixation kit 100, to form at least one A sealing weir.Above-mentioned groove-like structure 103 is preferably arranged to circular groove.

It is worth noting that, the structure of semi-circular cross-section annulus may be set to be recess annular structure 411, accordingly The fin structure of adaptation is provided on first fixation kit 100.Above-mentioned annular structure page 411 can be set to other shapes of Section.

When the lower end surface of flange is provided with the semi-circular cross-section annulus of at least one protrusion, leaned in the first fixed plate 101 The groove-like structure 103 of no less than above-mentioned number of rings is provided on the end face of nearly flange.When the upper surface of flange is provided at least When one raised semi-circular cross-section annulus, no less than above-mentioned circle is provided on the end face of flange in the second fixed plate 102 The groove-like structure 103 of number of rings amount.It is preferred that being respectively provided with the semi-circular cross-section annulus of multiple protrusions in the upper and lower end face of flange.

Further, the first fixed plate 101 is provided with opening close to the part of valve rod and flange, and is provided with three in opening Angular gasket 600, delta ring sealing gasket 600 can be adjacent to the end face of the first deformable body 41 and be adjacent to valve rod, to be formed Static seal.

Embodiment eight,

The present embodiment and the difference of embodiment seven are:

As shown in figure 12, the valve of the present embodiment increases the second deformable body 42, and the first end of the second deformable body 42 is led Static seal is formed to the clamping of bearing block 15 of bracket 13 and installation bearing.The connection type and reality of the second end of second deformable body 42 The connection type for applying the second end of the first deformable body 41 in example seven is identical.

Specifically, the second end of the second deformable body 42 is mounted on valve rod, and the second end of the second deformable body 42 has flange, Flange is mounted on valve rod by the second fixation kit 200.The structure phase of second fixation kit 200 and the first fixation kit 100 It is same or close.

Second fixation kit 200 includes third fixed plate 201 and the 4th fixed plate 202, and flange is arranged in third fixed plate 201 and the 4th between fixed plate 202.Third fixed plate 201 is detachably connected on valve rod, and the 4th fixed plate 202 passes through fastening Part is connect with the first fixed plate 101, and grip flange.

The semi-circular cross-section annulus of at least one protrusion is provided in the upper and lower end faces of flange at least one end face, By cooperating with the groove-like structure 103 being arranged on the second fixation kit 200, to form at least one sealing weir.Above-mentioned channel-shaped Structure 103 is preferably arranged to circular groove.

When the lower end surface of flange is provided with the semi-circular cross-section annulus of at least one protrusion, leaned in third fixed plate 201 The groove-like structure 103 of no less than above-mentioned number of rings is provided on the end face of nearly flange.When the upper surface of flange is provided at least When one raised semi-circular cross-section annulus, no less than above-mentioned circle is provided on the end face of flange in the 4th fixed plate 202 The groove-like structure 103 of number of rings amount.It is preferred that being respectively provided with the semi-circular cross-section annulus of multiple protrusions in the upper and lower end face of flange.

Further, third fixed plate 201 is provided with opening close to the part of valve rod and flange, and is provided with three in opening Angular gasket 600, delta ring sealing gasket 600 can be adjacent to the end face of the second deformable body 42 and be adjacent to valve rod, to be formed Static seal.

It is worth noting that, in the present embodiment, after breakage occurs in the first deformable body 41, and dielectric leakage is propped up to guiding When 13 inner cavity of frame, it can also be sealed by deformable body II.

Further, it is provided with two seals ring between valve deck 12 and valve rod, when 11 inner cavity of valve body is revealed, is formed First of protective barrier.

Further, the semi-circular cross-section annulus of deformable body second end can reduce sealed pressure and prevent flange from altering It is dynamic.

Further, at least two deformable bodys are set, the leakage of medium further can be effectively completely cut off, it is close to be different from filler Envelope, the structure can solve the problem of evaporating, emitting, dripping or leaking of liquid or gas or even permanent solution evaporating, emitting, dripping or leaking of liquid or gas to the maximum extent.

Embodiment nine,

The present embodiment and the difference of embodiment one to embodiment eight are that the valve in the present embodiment is set as butterfly valve, excellent Select three-eccentric-butterfly-valve, and in particular to three-eccentric-butterfly-valve closed.

It is at low cost it is understood that butterfly valve, due to light-weight, structure length is short, have excellent performance, substituted gate valve, The trend such as ball valve, regulating valve are widely used in the every field of industry.It is particularly suitable for heavy caliber, the circulation occasions such as coefficient is big. Three-eccentric-butterfly-valve is even more the developing direction of butterfly valve from now on, it has the characteristics that unlatching is long, high pressure resistant without friction, service life, is suitble to each The harsh operating condition of kind.

But traditional three-eccentric-butterfly-valve uses packing seal, still remains filler aging, the problems such as evaporating, emitting, dripping or leaking of liquid or gas, not only Waste of resource, also pollution environment.

As shown in Figure 13 to 16, butterfly valve provided by the present invention is provided with deformable body, the flange of the first end of deformable body by Bearing block 15 and the clamping of bracket 13 form static seal, and the flange upper and lower end face of the second end of deformable body has the ring-type of several protrusions Structure 411, preferably semi-circular cross-section annulus by cooperating with the groove-like structure 103 of third fixation kit 300, and are fixed on valve At bar outer circle, static seal is formed.103 circular groove of groove-like structure.Third fixation kit 300 and the first fixation kit 100 It is same or similar with the structure of the second fixation kit 200.

Above scheme solves that rotation class valve packing is long using the time, and bore wear becomes larger the problem of revealing.

It should be noted that the butterfly valve in the present embodiment includes: housing unit 10, opening/closing component 20,30 and of executive module Shield assembly 40.

Wherein, fluid channel 111 is provided on housing unit 10, opening/closing component 20 is at least partly at fluid channel In 111, the captured area of the part opening/closing component 20 in fluid channel 111 is adjustable, to control the fluid channel 111 Flow；Executive module 30 is connected with opening/closing component 20, to control the captured area of opening/closing component 20；Shield assembly 40 includes extremely A few deformable body, deformable body is arranged between opening/closing component 20 and housing unit 10, to prevent the fluid in fluid channel 111 Medium leakage.

Further, housing unit 10 includes valve body 11, bracket 13 and bearing block 15, and valve body 11 is arranged in fluid channel 111 It is interior；Bracket 13 is mounted on valve body 11；Side of the bracket 13 far from valve body 11 is arranged in bearing block 15；Executive module 30 is mounted on Side of the bearing block 15 far from bracket 13.The first end of opening/closing component 20 is connect with executive module 30, and rest part runs through bearing Seat 15, bracket 13 and valve body 11, and have the inside for being partially in valve body 11.Opening/closing component 20 is in the portion in fluid channel 111 Set up separately and be equipped with flap 22, drives flap 22 to rotate in fluid channel 111 and then rotating this part opening/closing component 20, in turn Change captured area.

Further, the butterfly valve of the present embodiment includes upper valve rod 400 and lower valve rod 401, wherein is arranged on lower valve rod 401 Have flange, flange upper and lower ends are provided with thrust bearing 403, when valve rod rotation open flap 22 during, can reduce and rub Power is wiped, torque is reduced.Preferably, above-mentioned flange is set as complete cyclic structure 411 or part cyclic structure 411, than It is 90 ° of reciprocating rotaries as the lower valve rod 401 of butterfly valve is most, part cyclic structure 411 can be set as in stroke range.It is above-mentioned The setting of flange can also position lower valve rod 401, to form certain guarantor to the flap 22 in fluid channel 111 Shield.

Specifically, the flange on lower valve rod 401 is mounted on bracket 13 or valve body 11, when being mounted on valve body 11, 212 mouthfuls of mounting groove are provided on valve body 11, flange and its thrust bearing 403 being adapted to are mounted on valve body 11 by mounting assembly On 212 mouthfuls of mounting groove on.Further, mounting assembly includes cyclic structure that section is L shape and by above-mentioned cyclic structure Fixed to the fastener on valve body 11, fastener can be set to screw or bolt.

Further, multiple-sealed ring is arranged in end face of flange and 401 outer circle of lower valve rod in valve body 11, prevents outside medium Leakage.

Further, lower valve rod 401 has helicla flute, and position, angle, direction are 90 ° of class valve opening of control rotations It is crucial；

Further, 400 lower end of upper valve rod is provided with guide sleeve.When Electric Actuator drives upper valve rod 400 to do straight line liter When drop movement, when guide sleeve moves downward, lower valve rod 401 is opened with flap 22, when guide sleeve moves upwards, lower valve rod 401 It is closed with flap 22.The linear motion of Electric Actuator is converted into the rotary motion of lower valve rod 401.Any one has straight trip The driving device of journey can realize the control to changeover valve, so that packing seal be replaced to be changed to static seal.

Further, guide sleeve outer circle two sides have straight-line groove, are slided up and down with restricted guidance set.In the another of circumference One end is provided with jackscrew 701 at one, assigns into the helicla flute 700 of lower valve rod 401.It serves not only as guiding to use, also as transmitting The important component of torque.

Embodiment ten,

The present embodiment and the difference of embodiment one to embodiment eight are:

As shown in figure 17, in the technical solution of embodiment ten, shield assembly 40 is set as two deformable bodys, close to execution The deformable body of component 30 is rubber elastomer or bellows component 800, and the deformable body far from executive module 30 is bellows group Part 800.Rubber elastomer or bellows component 800 can make to form screen between fluid media (medium) and ambient atmosphere in above structure Barrier, it is ensured that the zero leakage of valve.The set-up mode of rubber elastomer can become with the first deformable body in above-described embodiment and second The set-up mode of body is identical.

As shown in figure 17, in the technical solution of embodiment ten, opening/closing component 20 includes valve rod 21 and flap 22, rubber bullet Property body first end and housing unit 10 be tightly connected, the second end of rubber elastomer connect with valve stem seal.Bellows component 800 first end and housing unit 10 is tightly connected, and the second end of bellows component 800 is connect with valve stem seal.Above structure Twice barrier can be formed, the leakproofness of valve is improved.The set-up mode of bellows component 800 in the present embodiment can with it is upper It is same or similar to state the set-up mode of the first deformable body and the second deformable body in embodiment.The preferred metal wave of bellows component 800 Line pipe, it is possible to further be set as the metal bellows with insulated hull.

It is worth noting that, housing unit 10 includes valve body 11 and multiple connection structures, fluid channel 111 is arranged in valve body In 11, multiple connection structures are arranged between valve body 10 and executive module 30, and multiple connection structures and valve body 10 are cooperatively connected and shield Cover component 40.Multiple connection structure setting valve decks 12, bracket 13, end cap 14 and/or bearing block etc..

Embodiment 11,

The present embodiment and the difference of embodiment ten are:

As shown in Figure 18 to Figure 20, in the technical solution of embodiment 11, bellows component 800 includes bellows part 801, inner support set 802 and separator 803.Inner support set 802 is arranged between bellows part 801 and valve rod.Separator 803 is set It sets between interior support sleeve 802 and housing unit 10, separator 803 and inner support set 802 and the company of sealing respectively of housing unit 10 It connects.The first end of bellows part 801 is connect with separator 803, and the second end and valve rod 21 of bellows part 801 are tightly connected.On Stating structure can make the installation of bellows component 800 more reliable and more stable.The connection of bellows part 801 can be using the side of welding Formula connection, preferably automated weldering.The both ends of bellows part 801 are provided with flange connector, and bellows part 801 and flange connector weld, The junction of flange connector is provided with sealing structure, such as sealing ring, gasket or sealing rib etc..Above-mentioned sealing connects Connecing can be used the modes such as seal washer and forms static seal.For example, being provided between separator 803 and valve rod 21 and valve body 11 Sealing structure, to form multiple static seals.

As shown in Figure 18 to Figure 20, in the technical solution of embodiment 11,802 inside of inner support set is sealed with valve rod 21 Connection, forms shielding cavity between bellows part 801 and valve rod 21.The setting of shielding cavity can be further improved the reliable of valve Property.Twice static seal can be formed in this way, improve the leakproofness of valve.

As shown in Figure 18 to Figure 20, in the technical solution of embodiment 11, at least one is provided between two deformable bodys A water cooled seal chamber 900, water cooled seal chamber 900 are communicated with water-cooling loop.Water-cooling loop in above structure can make cooling water Water cooled seal chamber 900 is continued through, the temperature transmitting of valve rod is can reduce in this way, guarantees the intensity of valve rod.

As shown in Figure 18 to Figure 20, in the technical solution of embodiment 11, the two sides of water cooled seal chamber 900 are at least respectively set It is equipped with one group of static seal, is provided at least one dynamic sealing in water cooled seal chamber 900.Above structure can guarantee water cooled seal While the leakproofness of chamber 900, the stability of water cooled seal chamber 900 is improved.

One end of water cooled seal chamber 900 in the present embodiment and rubber elastomer, which have, shares static seal, that is to say, that rubber Glue elastomer exists as 900 1 wall surfaces of water cooled seal chamber.

Embodiment 12,

The present embodiment and the difference of embodiment 11 are:

As shown in figure 21, in the technical solution of embodiment 12, water cooled seal chamber 900 in the present embodiment is independent Existing, specifically, when deformable body is set as two, water cooled seal chamber 900 is arranged between two deformable bodys.Work as deformable body Quantity when being configured more, water cooled seal chamber 900 is arranged between two neighboring deformable body.It is corresponding to can according to need setting The water cooled seal chamber 900 of quantity.

It is worth noting that, water cooled seal chamber 900 is arranged between multiple connection structures, for example, multiple connection structures are set When being set to valve deck 12, bracket 13 and end cap 14, bracket 13 is between valve deck 12 and end cap 14, and the two sides of bracket 13 are provided with quiet It seals, the intercommunicating pore of water-cooling loop is provided on bracket 13, water cooled seal chamber 900 is arranged in bracket 13.Static seal herein Static seal is formed with valve rod 21 simultaneously.

It is worth noting that, guide sleeve structure can be arranged according to the set-up mode of valve rod, when valve rod needs to be arranged valve rod spiral shell When female, anti-rotation structure can be set.

Sealing means setting as shown in Figure 22 to Figure 27, in the technical solution of invention, between valve seat 23 and flap 22 There are six kinds.Including flat seal, the first soft seal, the second soft seal, bivalve valve structure, hard alloy layer structure and throttle butterfly Structure.Above-mentioned sealing means are preferred embodiment, can according to need and are adjusted_。

Specifically:

As shown in figure 22, sealing means herein are flat seal, and the sealing surface precision of the sealing means is easier to obtain, It is easy to process, it is the sealing means of metal to metal, hardness is high, and Applicable temperature is high, and the service life is long_。Suitable for water process, light industry, stone The occasions such as oil, chemical industry.

As shown in figure 23, sealing means herein are the first soft seal, and Applicable temperature≤300 DEG C are nonmetallic to metal Sealing means, sealed reliable is generally used for low pressure occasion, and sealing effect is good.Seal receptacle is not needed to improve hardness.

As shown in figure 24, sealing means herein are the second soft seal, and flap 22 is embedded in nonmetallic gasket, with metal 23 convex portion of valve seat forms line contact, is more easier to seal, and children's folk rhymes are suitable for low pressure and the operating condition no more than 300 DEG C, sealing It pads readily replaceable.

As shown in figure 25, sealing means herein are bivalve valve structure, and open and close torque can be effectively reduced in Double-clack, are fitted It for high-pressure large-caliber, is sealed using metal conical surface, belongs to line contact, when particle ore pulp, fibre object etc. are contained all in medium China Medium can be cut off.Sealing surface hardness can be improved simultaneously, the service life is long, resistance to erosion.

As shown in figure 26, sealing means herein are hard alloy layer structure, and one layer of 22 built-up welding of flap in the structure is hard Semi-circular cross-section raised annular on matter alloy, hard alloy and metal seat valve is in linear sealing, and sealing effect is good, and the service life is long.Tool There is shearing material function_。

As shown in figure 27, sealing means herein are throttle structure, which, which has, adjusts traffic engineering capability, cooperation Locator uses, different according to rating curve (open fastly, percentage, linear) flap shape, the lifting heights of flap 22 with Ring section between valve seat 23 changes to adjust flow_。Conical surface seal is formed by the flange of flap 22 and valve seat 23 when sealing.

Embodiment 13,

The present embodiment and the difference of embodiment nine are:

As shown in figure 28, in the technical solution of embodiment 12, lower valve rod wears valve body, and valve body and lower valve rod have two A extrusion position, the distribution of the two contact positions are provided with Upper shaft sleeve and Lower shaft sleeve_。

Wherein, valve body 11 is provided with Upper shaft sleeve mounting groove close to the side of executive module 30, and Upper shaft sleeve mounting groove passes through peace Arrangement 500 is mounted in Upper shaft sleeve mounting groove, and mounting assembly 500 includes sealing gland, and sealing gland is set as cyclic structure, The unilateral section of the cyclic structure is L shape_。Sealing structure, sealing gland and valve body are provided between sealing gland and valve rod 21 Sealing structure is also equipped between 11, sealing structure is mounted on valve body 11 by fixing piece, and fixing piece is preferably arranged to fix Bolt.Filler assembly 405, filler assembly are set between the part sealing gland and Upper shaft sleeve 404 in Upper shaft sleeve mounting groove 405 include the lower filler close to Upper shaft sleeve 404, the upper filler close to sealing gland and the elasticity being arranged between upper and lower filler Part, elastic component are preferably arranged to spring_。

Valve body 11 offers the mounting hole of installation lower valve rod 401, setting in mounting hole on the side far from executive module 30 There is 406 mounting groove 212 of Lower shaft sleeve, Lower shaft sleeve 406 is mounted in 406 mounting groove 212 of Lower shaft sleeve of valve body 11 by end cap 14, is held Divided ring 407 is provided between lid 14 and Lower shaft sleeve 406, end cap 14 is mounted on valve body 11 by bolt, and closes lower valve rod 401_。

Embodiment 14,

The present embodiment and the difference of embodiment one to 13 any embodiment of embodiment are:

As shown in figure 29, in the technical solution of embodiment 12, end cap and limit are provided between executive module and valve body Position seat_。The first end of shield assembly is preferably provided between limit base and end cap, be can according to need and is adjusted, shield assembly Second end be arranged on valve rod, be preferably provided on upper valve rod_。

Opening/closing component in the present embodiment includes that upper valve rod, lower valve rod and spherical opening and closing element, spherical opening and closing element are equivalent to The flap in embodiment is stated, there is the first position for opening fluid channel and closes the second position of fluid channel.

The position that spherical opening and closing element is contacted with upper valve rod sets only helicla flute, helicla flute setting spherical opening and closing element or on It is corresponding to be provided with the pin-shaped structure being adapted to helicla flute on valve rod.When helicla flute is arranged on upper valve rod, pin-shaped structure can It is releasably connected on spherical opening and closing element.The mating groove being adapted to upper valve rod is provided on spherical opening and closing element.Above structure can be with Upper valve rod is controlled by executive module carries out stretching motion to control the rotation of spherical opening and closing element, to reach opening and closing effect.Spiral shell Position, angle, the direction of spin slot are the key that 90 ° of class valve opening of control rotations.

It is worth noting that, the fit system of spherical opening and closing element and upper valve rod in the present embodiment also can according to need into Row adjustment, such as the modes such as turbine and worm, gear set, connection rod set are cooperated.

Shield assembly in the present embodiment is same or similar with the shield assembly structure in above-described embodiment.

It is worth noting that, the position of limit base and upper valve rod cooperation in the present embodiment is provided with position limiting structure.The limit Bit architecture includes the clamping pin structure being arranged on limit base and the limiting slot that is provided on upper valve rod, and clamping pin structure and limit base can Releasably connect.Limiting slot is straight trough, and would sit idle for upper valve rod only after limiting slot and clamping pin structure cooperation can do along upper valve rod axis Movement on line.

Lower valve rod in the present embodiment can be wholely set with end cap.Upper shaft sleeve and Lower shaft sleeve are provided in the present embodiment, To protect two valve rods up and down.

Embodiment 15,

The present embodiment and the difference of embodiment one to 14 any embodiment of embodiment are:

As shown in Figure 30 to Figure 32, in the technical solution of embodiment 15, a kind of plunger pump is present embodiments provided 1000, it is provided with and shield assembly 40 similar in above-described embodiment in the plunger pump 1000.

Shield assembly 40 is specifically located between piston rod 1300 and cylinder sleeve 1301, and specific set-up mode is according to practical plunger 1000 structure is pumped to be arranged.

Shield assembly 40 in the present embodiment include deformable body 1410, the work flange 1420 being mounted on cylinder sleeve 1301 and Fixed structure 1430 on piston rod 1300 is set.Wherein, the both ends of deformable body 1410 are respectively arranged with the first flange 1411 With the second flange 1412, first flange 1411 of pinching deformation body 1410, is formed quiet between cylinder sleeve 1301 and flange 1420 living Sealing.The other end passes through the second flange 1412 of 1430 fixed deformation body 1410 of fixed structure in 1300 outer circle of piston rod.It is fixed Structure 1430 includes the limit plate that 1300 periphery of piston rod is arranged in, and has built-in flange in the second flange 1412, utilizes taper Ring and built-in flange clamp delta ring sealing gasket and form opposite static seal.By cylinder sleeve 1301, deformable body 1410, delta ring sealing gasket Shielding cavity is formed, completely cuts off medium to outward leakage.

For deformable body 1410 at least provided with one layer, deformable body 1410 can be set to elastic gel, and elastic gel setting is more When a, including the first elastic gel, second elastic gel etc., the first elastic gel material can be narrow fabrics pressure-resistant rubber group At being also possible to butyl rubber or natural rubber etc., other any one rubber or metal are ok.The material of remaining elastic gel Matter and set-up mode are same or similar with the first elastic gel.Specific set-up mode need to be according to the specific feelings of position Condition carries out adaptive change.

1000 working principle of plunger pump: gear wheel is rotated in deceleration fortune on 1200 pinion gear of input shaft engagement crankshaft 1201 It is dynamic, the reciprocating motion of plunger is converted by link mechanism 1202.Liquid is entered in pump chamber by inlet tube 1500, passes through change Volume change in pump chamber is converted into the variation of pressure, to realize suction action.

But there is also some disadvantages, piston rod 1300 and the sealing element contact surfaces in 1301 inner hole of cylinder sleeve for plunger pump 1000 Product is big, and with the increase of working time, the inner hole of sealing element can wear increase, become larger with the gap of piston rod 1300, influence to pump Operation and can be to outward leakage medium.This patent scheme, which mainly improves disadvantage mentioned above and raising plunger pump 1000 may be implemented, to be made With the effect in service life.Especially by setting shield assembly 40.Sealing element can be replaced with to shield assembly 40, or be arranged simultaneously Sealing element and shield assembly 40.

In addition, the shield assembly 40 in the present embodiment is same or similar with 40 structure of shield assembly of above-described embodiment, Position and size are only set, the adjustment of adaptability has been carried out according to plunger pump.The present embodiment is not restricted to plunger pump, all The pump apparatus for needing to be arranged sealing structure can according to need the shield assembly being arranged in the present embodiment.

Embodiment 16,

The present embodiment and the difference of embodiment one to 15 any embodiment of embodiment are:

As shown in figure 33, in the technical solution of embodiment 15, flap valve 2000 is provided on the pipeline where valve.

Above-mentioned flap valve 2000 includes driving structure；Lifting machine 2002, lifting machine 2002 are connect with driving structure；Valve body 2006, valve body 2006 is hollow structure, and the side of valve body 2006 is connect with lifting machine 2002, is provided with fluid on the inside of valve body 2006 Channel；Sleeve 2003, sleeve 2003 and the output end of lifting machine 2002 are detachably connected, and sleeve 2003 is far from lifting machine 2002 Side be provided with connecting rope 2008；The side of fluid channel is arranged in flap 2009, flap 2009, and flap 2009 is close to lifting The side of machine 2002 is rotationally connected with valve body 2006, and flap 2009, which has the first position for blocking fluid channel and opens fluid, to be led to The second position in road；Shield assembly 40, shield assembly 40 are arranged between sleeve 2003 and valve body 2006；Wherein, connecting rope 2008 connect with flap 2009, to switch the position of flap 2009 by lifting machine 2002_。Shield assembly 40 and above-described embodiment Shield assembly 40 it is same or similar_。

Retarder 2001 is provided in above structure between driving structure and lifting machine 2002, retarder 2001 is preferably provided with For planetary reduction gear 2001_。The pulley 2007 of guidance connecting rope 2008 is provided on the inside of valve body 2006, pulley 2007 is fixed on valve 2006 inside of body.

Mounting cylinder is provided on the inside of valve body 2006, flap 2009 is mounted on mounting cylinder, and mounting cylinder is far from flap 2009 Side is provided with centrifugal pump 2011_。It is provided with below mounting cylinder and cleans interface 2010_。It is arranged between lifting machine 2002 and valve body 2006 There is valve deck 2005_。

Shield assembly 40 includes deformable body, and the first end of deformable body is mounted between valve deck 2005 and lifting machine 2002, is become The second end of body is fixed on sleeve 2003, and the specific set-up mode of deformable body is same as the previously described embodiments or similar_。

It should be noted that the bearing block 15 in the present invention can be separately provided, it can also be with bracket 13 or execution group The shell of part 30 is wholely set, and specific set-up mode is adjusted according to actual needs.Contact in the present invention between each part Sealing structure is at least partly provided between face or sealing surface, sealing structure is preferably arranged to sealing rubber ring, can also be with The sealing structure for other materials or other structures is set as needed, corresponding setting can offer installation sealing structure Seal groove structure.

The same or similar shield assembly of at least one structure is provided in all embodiments in the present invention, and Shield assembly is not limited to only the technical solution of published embodiment, have with shield assembly in the present embodiment it is identical or Scheme similar in person all belongs to the scope of protection of the present invention.

It can be seen from the above description that the above embodiments of the present invention realized the following chievements: shield assembly 40 setting between opening/closing component 20 and housing unit 10, can be in the flow of the control fluid channel 111 of opening/closing component 20 The fluid media (medium) in fluid channel 111 is shielded simultaneously, prevents fluid media (medium) in fluid channel 111 from opening/closing component 20 and shell It is flowed out in gap between body component 10, it thus can be to avoid the medium leakage generated because valve seal performance is lower.Become The setting of body can remain the shielding of fluid medium with the opening and closing of valve in the course of work of opening/closing component 20 Effect.Technical solution of the present invention efficiently solves the lower medium that is easy to produce of valve seal performance in the prior art and reveals The problem of.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. a kind of valve characterized by comprising

Housing unit (10) is provided with fluid channel (111) on the housing unit (10)；

Opening/closing component (20), the opening/closing component (20) at least partly extend telescopically into the fluid channel (111), with Control the flow of the fluid channel (111)；

Executive module (30), the executive module (30) is connected with the opening/closing component (20), to control the opening/closing component (20) stroke；

Shield assembly (40), the shield assembly (40) includes at least one deformable body, and the deformable body is arranged in the opening and closing Between component (20) and the housing unit (10), to prevent the fluid media (medium) in the fluid channel (111) from revealing.

2. valve according to claim 1, which is characterized in that the first end of the deformable body and the opening/closing component (20) It is tightly connected, the second end of the deformable body and the housing unit (10) are tightly connected, to prevent the fluid media (medium) from revealing.

3. valve according to claim 1, which is characterized in that the housing unit (10) includes valve body (11), the stream Body channel (111) setting is provided in the middle part of the valve body (11) and is connected to the fluid channel (111) in the valve body (11) Opening and closing channel, the opening/closing component (20) is at least partially disposed in the opening and closing channel.

4. valve according to claim 3, which is characterized in that the opening/closing component (20) includes:

The first end of valve rod (21), the valve rod (21) is connect with the executive module (30), and the executive module (30) drives The valve rod (21) is close to or far from the fluid channel (111)；

Flap (22), the flap (22) connect with the second end of the valve rod (21), and the flap (22) extends telescopically into In the fluid channel (111), to control the flow of the fluid channel (111)；

The sealing structure (50) with the flap (22) cooperation is provided in the fluid channel (111).

5. valve according to claim 4, which is characterized in that be provided with and the flap (22) in the middle part of the fluid channel The opening and closing mouth of cooperation, the angled setting of axis of the opening and closing mouth and the fluid channel (111), the sealing structure (50) are The first seal receptacle (51) surveyed in the opening and closing mouth is set.

6. valve according to claim 4, which is characterized in that the sealing structure (50) is to be arranged in the valve body (11) It is on inner wall and on the groove (52) and suitable with the flap (22) with the groove (52) of the flap (22) cooperation and setting The bushing (53) matched, to improve the leakproofness of the flap (22).

7. valve according to claim 4, which is characterized in that the housing unit (10) further includes valve deck (12), described Valve deck (12) is arranged in the described opening and closing one end of channel far from fluid channel (111)；

It include the first deformable body (41) and the second deformable body (42), first deformable body when there are two the deformable body settings (41) and second deformable body (42) is separately positioned on the two sides of the valve deck (12).

8. valve according to claim 7, which is characterized in that the housing unit (10) further includes end cap (14), described End cap (14) setting is offered on the side of the valve body (11) far from the valve deck (12), the end cap (14) and is opened with described Close the seal groove of component (20) cooperation.

9. valve according to claim 8, which is characterized in that the valve body (11) and the junction of the valve deck (12) are First connector, the junction of the valve body (11) and the end cap (14) are the second connector, first connector and institute The structure for stating the second connector is identical, to be carried out by replacing first connector and second connector to the valve Positive and negative valve body (11) repacking.

10. valve according to claim 7, which is characterized in that the first deformable body (41) both ends seal respectively, described The first end of first deformable body (41) is provided with the first flange, and the flap (22) is equipped with the circle cooperated with first flange Shape concave station, the pressing plate with the round concave station cooperation is provided on the flap (22), and the pressing plate is consolidated by the first fastener It is scheduled on the flap (22), to clamp first flange；

The second end of first deformable body (41) is provided with the second flange, the second flange setting in the valve body (11) and Between the valve deck (12), the valve body (11) and the valve deck (12) are fixed by the second fastener and to clamp described second convex Edge, so that the fluid media (medium) does not reach the valve rod (21).

11. valve according to claim 10, which is characterized in that the housing unit (10) further includes bracket (13), institute It states bracket (13) first end to connect with the valve deck (12), the second end of the bracket (13) and the executive module (30) are even It connects；

Second deformable body (42) both ends seal respectively, and the first end of second deformable body (42) is provided with third flange, The third flange is arranged between the valve deck (12) and the bracket (13), and the valve deck (12) and the bracket (13) are logical Third fastener is crossed to fix and clamp the third flange；

The second end of second deformable body (42) is provided with the 4th flange, inner hole is provided in the 4th flange, in described It is provided with built-in fitting (43), is provided with taper hole ring (44) on the valve rod (21), the built-in fitting (43) and the taper hole in hole It is provided between ring (44) gasket (45), the built-in fitting (43) and the taper hole ring (44) are fixed simultaneously by the 4th fastener Clamp the gasket (45).

12. valve according to claim 7, which is characterized in that the first deformable body (41) both ends seal respectively, described The first end of first deformable body (41) is provided with the first flange, and inner hole is provided in first flange, is arranged in the inner hole Have built-in fitting (43), the valve rod (21) is equipped with split plate close to the position of the flap (22), and the split plate is equipped with square hole It is opposing stationary with the valve rod (21), it is connected on the split plate taper hole ring (44), the built-in fitting (43) and the taper hole It is provided between ring (44) gasket (45), the built-in fitting (43) and the taper hole ring (44) are fixed simultaneously by the 5th fastener Clamp the gasket (45)；

The second end of first deformable body (41) is provided with the second flange, the second flange setting in the valve body (11) and Between the valve deck (12), the valve body (11) and the valve deck (12) are fixed by the 6th fastener and to clamp described second convex Edge, so that the fluid media (medium) does not reach the part valve rod (21) of the split plate far from the valve body (11) side.

13. valve according to claim 7, which is characterized in that the first end of first deformable body (41) is tightly connected In on the valve rod (21), the second end of first deformable body (41) is sealedly attached to the valve body (11) and the valve deck (12) between.

14. valve according to claim 13, which is characterized in that the housing unit (10) further includes bracket (13), institute It states bracket (13) to connect with the valve deck (12), and the side in the valve deck (12) far from the valve body (11)；

The first end of second deformable body (42) is sealedly attached on the valve rod (21), and the of second deformable body (42) Two ends are sealedly attached between the bracket (13) and the valve deck (12).

15. valve according to claim 14, which is characterized in that offer mounting groove (212), institute on the valve rod (21) The first end for stating the first deformable body (41) and/or second deformable body (42) is mounted on the peace by elastic sealing element (80) The position of tankage (212).

16. the valve according to any one of claim 7 to 15, which is characterized in that the valve deck (12) and the valve rod (21) junction is provided with sealing ring.

17. valve according to claim 1, which is characterized in that the executive module (30) is set as Electric Actuator, liquid Cylinder pressure, cylinder or manual control mechanism.

18. valve according to claim 1, which is characterized in that the deformable body is rubber material or deformable metal knot Structure.

19. valve according to claim 4, which is characterized in that the housing unit (10) further includes valve deck (12), described When deformable body is set as one, including the first deformable body (41), the first end of first deformable body (41) is by the valve deck (12) it is clamped with the valve body (11) and forms static seal；

The second end of first deformable body (41) is mounted on the valve rod (21), the second end of first deformable body (41) With flange, the flange is mounted on valve rod (21) by the first fixation kit (100)；

The cyclic structure (411) of protrusion, the ring-type are provided in the upper and lower end faces of the flange at least one end face Structure (411) at least one, the cyclic structure (411) passes through and channel-shaped on first fixation kit (100) is arranged Structure (103) cooperation, to form at least one sealing weir.

20. valve according to claim 19, which is characterized in that when the deformable body is set as two, including described One deformable body (41) and the second deformable body (42)；Described in the set-up mode and claim 19 of first deformable body (41) The set-up mode of first deformable body (41) is identical；

The housing unit (10) further includes bracket (13) and bearing block (15), and the first end of second deformable body (42) is by upper It states bracket (13) and the bearing block (15) clamps and forms static seal；

The second end of second deformable body (42) is identical as the second end set-up mode of first deformable body (41).

21. valve described in 9 or 20 according to claim 1, which is characterized in that first fixation kit (100) includes first Fixed plate (101) and the second fixed plate (102)；

The flange is arranged between first fixed plate (101) and second fixed plate (102), first fixed plate (101) it is detachably connected on the valve rod (21)；

Second fixed plate (102) is connect by fastener with first fixed plate (101), and clamps the flange.

22. valve according to claim 21, which is characterized in that first fixed plate (101) is close to the valve rod (21) and the part of the flange is provided with opening, delta ring sealing gasket (600) is provided in the opening, the triangle is close Packing (600) forms static seal with the end face of tight first deformable body (41) and valve rod (21) simultaneously.

23. valve according to claim 1, which is characterized in that the shield assembly (40) is set as two deformations Body, the deformable body close to the executive module (30) are rubber elastomer or bellows component (800), are held far from described The deformable body of row component (30) is the bellows component (800).

24. valve according to claim 23, which is characterized in that the opening/closing component (20) includes valve rod (21) and flap (22), the first end of the rubber elastomer and the housing unit (10) are tightly connected, the second end of the rubber elastomer It is connect with the valve stem seal；

The first end of the bellows component (800) and the housing unit (10) are tightly connected, the bellows component (800) Second end connect with the valve stem seal.

25. valve according to claim 24, which is characterized in that the bellows component (800) includes:

Bellows part (801)；

Inner support set (802), the inner support set (802) are arranged between the bellows part (801) and the valve rod；

Separator (803), the separator (803) are arranged between the inner support set (802) and the housing unit (10), The separator (803) is tightly connected respectively with the inner support set (802) and the housing unit (10)；

The first end of the bellows part (801) is connect with the separator (803), the second end of the bellows part (801) It is tightly connected with the valve rod (21).

26. valve according to claim 25, which is characterized in that inner support set (802) inside and the valve rod (21) it is tightly connected, forms shielding cavity between the bellows part (801) and the valve rod (21).

27. valve according to claim 1, which is characterized in that the shield assembly (40) is set as two deformations Body is provided at least one water cooled seal chamber (900) between two deformable bodys, and the water cooled seal chamber (900) is communicated with Water-cooling loop.

28. valve according to claim 27, which is characterized in that the two sides of the water cooled seal chamber (900) are at least respectively set It is equipped with one group of static seal, is provided at least one dynamic sealing in the water cooled seal chamber (900).

29. a kind of valve, the valve is butterfly valve characterized by comprising

Opening/closing component (20), the opening/closing component (20) are at least partly in the fluid channel (111), are in the stream The captured area of part opening/closing component (20) in body channel (111) is adjustable, to control the stream of the fluid channel (111) Amount；

Executive module (30), the executive module (30) is connected with the opening/closing component (20), to control the opening/closing component (20) captured area；

30. valve according to claim 29, which is characterized in that the flange of the first end of the deformable body is by the butterfly valve Bearing block (15) and bracket (13) clamp and form static seal；

The second end of the deformable body connect with the opening/closing component (20) and forms static seal.

31. valve according to claim 30, which is characterized in that the opening/closing component (20) includes upper valve rod (400), institute The second end for stating deformable body is fixed on the upper valve rod (400) by third fixation kit (300)；

The second end of the deformable body has flange, is provided at least one end face in the upper and lower end faces of the flange convex Rise cyclic structure (411), the cyclic structure (411) at least one, the cyclic structure (411) by be arranged described Groove-like structure (103) cooperation on third fixation kit (300), to form at least one sealing weir.

32. valve according to claim 30, which is characterized in that the opening/closing component (20) include upper valve rod (400), under Valve rod (401) and flap (22) are provided with flange on the lower valve rod (401), and the upper and lower ends of the flange are provided with thrust Bearing (403), to reduce frictional force of the valve rod (21) during flap (22) are opened in rotation.

33. valve according to claim 30, which is characterized in that the opening/closing component (20) include upper valve rod (400), under Valve rod (401) and flap (22), the lower valve rod (401) wear the valve body (11)；

Upper shaft sleeve (404) and Lower shaft sleeve (406) are provided between the valve body (11) and the lower valve rod (401)；

The valve body (11) is provided with Upper shaft sleeve mounting groove, the Upper shaft sleeve (404) close to the side of the executive module (30) It is mounted in the Upper shaft sleeve mounting groove by mounting assembly (500)；

The valve body (11) is provided with Lower shaft sleeve mounting groove, the Lower shaft sleeve (406) far from the side of the executive module (30) It is mounted in the Lower shaft sleeve mounting groove by end cap (14).

34. a kind of valve, the valve is ball valve characterized by comprising

35. valve according to claim 34, which is characterized in that the flange of the first end of the deformable body is by the ball valve End cap (14) and limit base (16) clamp and form static seal；

36. valve according to claim 30, which is characterized in that the opening/closing component (20) include upper valve rod (400), under Valve rod (401) and spherical opening and closing element (24), the spherical shape opening and closing element (24) are arranged in the upper valve rod (400) and the lower valve rod (401) between.

37. a kind of valve, the valve is the described in any item valves of claims 1 to 32, which is characterized in that the valve institute Pipeline on be provided with flap valve (2000).

38. the valve according to claim 37, which is characterized in that the flap valve (2000) includes:

Driving structure；

Lifting machine (2002), the lifting machine (2002) connect with the driving structure；

Valve body (2006), the valve body (2006) are hollow structure, the side of the valve body (2006) and the lifting machine (2002) it connects, is provided with fluid channel on the inside of the valve body (2006)；

Sleeve (2003), the sleeve (2003) and the output end of the lifting machine (2002) are detachably connected, the sleeve (2003) side far from the lifting machine (2002) is provided with connecting rope (2008)；

The side of the fluid channel is arranged in flap (2009), the flap (2009), and the flap (2009) is close to described The side of lifting machine (2002) is rotationally connected with valve body (2006), and the flap (2009) has block the fluid channel the One position and the second position for opening the fluid channel；

Shield assembly (40), the shield assembly (40) are arranged between the sleeve (2003) and the valve body (2006)；

Wherein, the connecting rope (2008) connect with the flap (2009), by described in the lifting machine (2002) switching The position of flap (2009).

39. a kind of pump, including shield assembly (40), which is characterized in that the shield assembly (40) is that claim 1 to right is wanted Shield assembly described in asking any one of 38 (40).