CN109780222A

CN109780222A - A kind of sealing valve for solid-liquid mixing pipeline

Info

Publication number: CN109780222A
Application number: CN201910131219.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Anhui Fengchi Pump Valve Manufacturing Co ltd
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2019-05-21
Anticipated expiration: 2039-02-22
Also published as: CN109780222B

Abstract

The invention belongs to the technical field of valve manufacturing, in particular to a sealed valve for a solid-liquid mixed conveying pipeline, comprising a valve body, a sealing unit and a connecting unit; the sealing unit includes a power cabin, a handle, a first sealing block and a second sealing block. sealing block; the first sealing block and the second sealing block are both located in the valve body, the first sealing block is located on the left side of the second sealing block, and the side surfaces on the opposite side of the first sealing block and the second sealing block are designed with arc surfaces ; The circular arc surface of the first sealing block is evenly arranged with fixed blocks; the circular arc surface of the second sealing block is fixedly connected with an impeller; the surfaces of the first sealing block and the second sealing block are sleeved with circular rings The first rubber block; the connecting unit includes a swing rod, a second rubber block and a swing plate; the invention can effectively prevent the residue of the solution in the valve body, the service life of the valve is long, the sealing is strong, and the solid-liquid mixture can be effectively prevented. Precipitation , Easy to disassemble and install.

Description

A kind of solid-liquid blending transportation pipeline sealed valve

Technical field

The invention belongs to technical field of valve manufacturing, specifically a kind of solid-liquid blending transportation pipeline sealed valve.

Background technique

Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting Or the functions such as overflow pressure relief, for the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS) Used in various valves, kind and specification are quite various, valve can be used for controlling empty gas and water, steam, various corrosivity be situated between The flowing of the various types fluid such as matter, mud, oil product, liquid metal and radiating medium.Valve is also divided into cast iron according to material It valve, cast steel valve, stainless valve, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve and nonstandard orders Valve processed etc..

Also occurs the technical solution of some valves in the prior art, such as application No. is in one of 2013103897955 State's patent discloses a kind of sealed valve, including valve body, spool, valve rod and handwheel, spool are connect with valve rod, valve rod and handwheel Connection, spool and valve rod are located at valve inner, and valve body is equipped with an entrance and an outlet, and the spool includes connecting with valve rod Briquetting, lid is equipped on the entrance of valve inner and outlet, a shaft is equipped on the top of lid and connect with valve body, The two sides of lid are respectively equipped with the first rotation connection bar, are equipped with V-type lever, V-type lever one end and first in body base rotation It is rotatablely connected bar rotation connection, the other end is rotatablely connected by the second rotation connection bar and briquetting.

A kind of sealed valve of the technical solution makes lid back movement realize sealing, sealing by can be manually rotated handwheel In the process since the elastic force of spring weakens with the extension of use time, cause valve that can not be sealed, and replacing valve When it is excessively cumbersome, and sealing-plug can not be close to valve interior wall completely, and leakproofness is poor, and the technical solution can not be mixed suitable for solid-liquid The conveying of conjunction, when conveying, is easy to cause a large amount of precipitatings of solid, and solid is easy to make sealing-plug that can not be close to valve body, causes to seal Failure, and the excessive liquid of residual is easy to cause the corrosion of valve in valve seal late gate, reduces the service life of valve.

Summary of the invention

In order to make up for the deficiencies of the prior art, solve spring force weaken late gate can not be sealed, the disassembly of valve It can not be suitable for remaining excessive liquid corrosion valve in solidliquid mixture conveying and valve with excessively cumbersome, valve is installed, cause The low problem of valve service life, a kind of solid-liquid blending transportation pipeline sealed valve proposed by the present invention.

The technical solution adopted by the present invention to solve the technical problems is: a kind of solid-liquid blending transportation pipe of the present invention Road sealed valve, including valve body, sealing unit and connection unit；Feeding inlet is offered on the left of the valve body；The valve body is right Side offers discharge port；The sealing unit includes piggyback pod, handle, the first sealing block and the second sealing block；The piggyback pod It is fixed on body top, and slidably connects the first slide plate in piggyback pod；The first fixed link is fixed with above first slide plate； First fixed link upper end is pierced by piggyback pod setting, and is rotatably connected to handle；The handle and the first fixed link junction Equipped with convex block；Described convex block one end is fixed on handle lower surface, the design of other end cambered surface, it is ensured that handle press after stabilization Property, prevent handle from bouncing；The first spring is fixed between first slide plate upper surface and piggyback pod top inner wall；Described first Spring slide is socketed on the first fixed link surface；First sealing block and the second sealing block are respectively positioned in valve body, the first sealing Block is located on the left of the second sealing block, and the equal cambered surface design of the first sealing block and the opposite side side of the second sealing block, has good Diversion effect；First sealing block and the second sealing block opposite side side offer the first groove；Described first is recessed Pressure chamber is fixed in slot；The second slide plate is slidably connected in the pressure chamber；The second slide plate opposite side side It is fixed with the second fixed link jointly；Second fixed link is fixed on valve interior wall by third fixed link；Described second is fixed Guide groove is offered in bar；The guide groove is connected to space in the piggyback pod below the first slide plate；Second fixed link is in pressure chamber Interior part of the surface offers the stomata being evenly arranged；The stomata is connected in the pressure chamber of the second slide plate opposite side side Space and guide groove；It is fixed with pressure valve in the second sealing block side in the guide groove, the first sealing block when moving up the first sliding block It moves to left, after sealing feeding inlet, the second sealing block, which moves to right, seals material mouth；When work, squeeze grip, since the effect of convex block makes One slide plate moves up, and moves to right the second slide plate, to make the first sealing block and the second sealing block back movement, due to the work of pressure valve With the first sealing block is made, the second sealing block is moved to right after feeding inlet is fully sealed, and is sealed material mouth, can be prevented liquid mistake in valve body It is more, lead to the excessively high service life for reducing valve of pressure, while preventing in liquid solid precipitating excessive, influence valve use it is same When cause solid-liquid mixing uneven.

Preferably, the arc surface of first sealing block has been evenly arranged fixed block；The fixed block is obliquely installed, liquid The rotation of the first sealing block can be driven when flowing by fixed block, to play mixing effect, prevents solid from precipitating；Described second is close Envelope block arc surface is fixed with impeller；When work, after valve is opened, the inclined design drive second that liquid flows through fixed block is close Block rotation is sealed, while the impeller that flows through of liquid drives the rotation of the second sealing block, and the second sealing block and the first sealing block turn It moves contrary, solid-liquid can be made more fully mixed thoroughly, while preventing the solid in liquid from leading due to the at the uniform velocity transport of upper time Solid precipitating is caused, keeps solid-liquid mixing uneven, while the flow velocity of liquid can be improved during wheel rotation, and the first sealing block is close After enclosed material mouth, the second sealing block can be extracted out the solidliquid mixture in valve by impeller since effect of inertia is continued to rotate, It prevents solid in precipitating in valve, prevents liquid in the too long corrosion valve of residence time in valve, to improve the use of valve Service life.

Preferably, first sealing block and the second sealing block surface are socketed with the first rubber block of circular ring shape；It is described The first cavity, gassy in the first cavity are offered in first rubber block；When work, the first sealing block and the second sealing block phase Unlucky dynamic, when the first sealing block and the second sealing block contact feeding inlet and discharge port, valve body squeezes the first rubber block, to squeeze The first cavity is pressed, the first rubber block can be made to be bonded valve body completely, increases the contact area of the first sealing block and the second sealing block, is prevented Only the solid residue in solution causes to seal halfway phenomenon, while the first sealing block and second in the first rubber block surface Sealing block rotates during sealing back movement, can clean out the first rubber block surface solid, enhances leakproofness, and first Valve service life can be improved in the soft contact of rubber block.

Preferably, first sealing block and the second sealing block opposite side side are fixed with the stirring being evenly arranged Bar；The stirring rod soft elastic material is made；When work, the first sealing block and the rotation of the second sealing block drive stirring rod to turn It is dynamic, while the rotation direction of adjacent two stirring rods in left and right is stirred on the contrary, the first sealing block and the second sealing block can be cooperated to improve Effect is mixed, prevents solid from precipitating.

Preferably, the second cavity is offered in the stirring rod；Second spring, the second bullet are fixed in second cavity The elasticity of stirring rod can be improved in spring, swings during rotating stirring rod, improves mixing effect, while stirring rod can be made to be close to Valve interior wall clears up valve interior wall；Second cavity is connected to the first cavity；When work, the first sealing block and second When sealing block back movement seals feeding inlet and discharge port, valve interior wall squeezes stirring rod, by the second cavity to the first cavity Inflation improves the compactness that the first rubber block is bonded with valve interior wall, to improve the leakproofness of valve.

Preferably, the connection unit includes oscillating rod, the second rubber block and oscillating deck；The feeding inlet of the valve body and go out Material mouth surface pivots are connected with the oscillating rod being evenly arranged, and the inner wall inclined design of feeding inlet and discharge port；The valve body in Feeding inlet and discharge outlet offer the second groove；The oscillating deck being evenly arranged is equipped in second groove；The pendulum One end of movable plate and oscillating rod are connected, when swinging oscillating rod, oscillating deck synchronous hunting；Is fixed in second groove One air bag；The second rubber number of blocks is two, is respectively fixedly connected in discharge port and feeding inlet inner wall, and the second rubber block annular is set Meter；Third cavity is offered in second rubber block；The third cavity is connected to the first air bag；When work, after pipeline insertion, Oscillating rod is swung, so that oscillating rod is bonded pipeline outer wall, the installation and removal of more convenient valve completely, while oscillating rod was swung It drives oscillating deck to swing in journey, to squeeze the first air bag, so that the expansion of the second rubber block is close to pipeline outer wall, improve leakproofness Meanwhile second the expansion of rubber block pipeline can effectively be fixed, and soft contact can effectively prevent pipe damage.

Preferably, oscillating rod opposite side side is fixed with the second air bag being evenly arranged；Second air bag It is connected to the first air bag, improves valve tightness；Swing can be improved in the second balloon surface matte design, the second rubber block of cooperation The frictional force of bar and pipeline, prevents valve from falling off；When work, when oscillating rod fixed -piping, squeezes the second air bag, to the first air bag Inflation, is bonded the second rubber block with pipeline outer wall closer, and the second air bag cooperates the second rubber block while improving leakproofness It is completely fixed pipeline.

Beneficial effects of the present invention are as follows:

1. a kind of solid-liquid blending transportation pipeline sealed valve of the present invention passes through handle by the way that sealing unit is arranged The swing of hand makes the first sealing block and the second sealing block back movement, is sealed first to feeding inlet, then seals material mouth, It can be effectively prevent the residual of solution in valve body, improve the service life of valve, while can be close in valve body by the first rubber block Wall, realization are fully sealed.

2. a kind of solid-liquid blending transportation pipeline sealed valve of the present invention passes through pendulum by the way that connection unit is arranged The swing of lever and the fixation of the second rubber block make the more convenient installation and removal of valve, while can realize that pipeline and valve connect The place of connecing is fully sealed, and prevents the leakage of liquid.

3. a kind of solid-liquid blending transportation pipeline sealed valve of the present invention is led to by setting stirring rod and impeller The rotation for crossing stirring rod and impeller effectively prevent the precipitating of solid, while stirring rod can assist the sealing of valve, make valve seal Thoroughly, impeller continues to rotate after the sealing of valve feeding inlet, can by residual liquid and Solid Conveying and Melting to pipeline in valve, Prevent liquid residual from leading to valve corrosion, fixed retained sediments keep solid-liquid mixing uneven, while preventing solid from precipitating adhesion valve The use of valve is influenced behind the door.

Detailed description of the invention

The present invention will be further explained below with reference to the attached drawings.

Fig. 1 is main view of the invention；

Fig. 2 is the partial sectional view of pressure chamber；

Fig. 3 is direction view at A in Fig. 1；

Fig. 4 is partial enlarged view at B in Fig. 1；

Fig. 5 is partial enlarged view at C in Fig. 1；

In figure: valve body 1, feeding inlet 11, discharge port 12, sealing unit 2, piggyback pod 21, handle 22, the first sealing block 23, Second sealing block 24, the first slide plate 25, the first fixed link 26, convex block 27, the first spring 28, connection unit 3, oscillating rod 31, Two rubber blocks 32, oscillating deck 33, the second groove 34, the first air bag 35, third cavity 36, the second air bag 37, the first groove 4, gas Ballasting 41, the second slide plate 42, the second fixed link 43, third fixed link 44, guide groove 45, stomata 46, fixed block 47, impeller 48, One rubber block 5, the first cavity 51, stirring rod 52, the second cavity 53, second spring 54.

Specific embodiment

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.

As shown in Figures 1 to 5, a kind of solid-liquid blending transportation pipeline sealed valve of the present invention, including valve body 1, Sealing unit 2 and connection unit 3；Feeding inlet 11 is offered on the left of the valve body 1；1 right side opening of valve body is equipped with discharge port 12； The sealing unit 2 includes piggyback pod 21, handle 22, the first sealing block 23 and the second sealing block 24；The piggyback pod 21 is connected In 1 top of valve body, and the first slide plate 25 is slidably connected in piggyback pod 21；It is fixed that first is fixed with above first slide plate 25 Bar 26；First fixed link, 26 upper end is pierced by the setting of piggyback pod 21, and is rotatably connected to handle 22；The handle 22 and first 26 junction of fixed link is equipped with convex block 27；Described 27 one end of convex block is fixed on 22 lower surface of handle, and the design of other end cambered surface can be protected The stability after handle 22 is pressed is demonstrate,proved, prevents handle 22 from bouncing；First slide plate, 25 upper surface and 21 top inner wall of piggyback pod Between be fixed with the first spring 28；First spring 28 is slidably socketed in 26 surface of the first fixed link；First sealing block 23 and second sealing block 24 be respectively positioned in valve body 1, the first sealing block 23 is located at the left side of the second sealing block 24, and the first sealing block 23 With the opposite equal cambered surface design in side side of the second sealing block 24, there is good diversion effect；First sealing block 23 and Two sealing blocks, 24 opposite side side offers the first groove 4；Pressure chamber 41 is fixed in first groove 4；It is described The second slide plate 42 is slidably connected in pressure chamber 41；It is fixed that second slide plate, the 42 opposite side side is fixed with second jointly Bar 43；Second fixed link 43 is fixed on 1 inner wall of valve body by third fixed link 44；It is offered in second fixed link 43 Guide groove 45；The guide groove 45 is connected to space in the piggyback pod 21 of 25 lower section of the first slide plate；Second fixed link 43 is in pressure chamber Part of the surface in 41 offers the stomata 46 being evenly arranged；The stomata 46 is connected to 42 opposite side side of the second slide plate Space and guide groove 45 in pressure chamber 41；It is fixed with pressure valve in 24 side of the second sealing block in the guide groove 45, makes the first sliding block The first sealing block 23 moves to left when moving up, and after sealing feeding inlet 11, the second sealing block 24, which moves to right, seals material mouth 12；When work, press Handle hand 22 moves to right the second slide plate 42 since the effect of convex block 27 moves up the first slide plate 25, to make the first sealing block 23 With 24 back movement of the second sealing block, since the effect of pressure valve makes the first sealing block 23 after feeding inlet 11 is fully sealed, Two sealing blocks 24 move to right, and seal material mouth 12, can prevent in valve body 1 that liquid is excessive, lead to the excessively high use for reducing valve of pressure Service life, while preventing in liquid solid precipitating excessive, influence valve using while to cause solid-liquid to mix uneven.

As one embodiment of the present invention, the arc surface of first sealing block 23 has been evenly arranged fixed block 47； The fixed block 47 is obliquely installed, and can be driven the rotation of the first sealing block 23 when liquid flows by fixed block 47, be stirred to play Effect is mixed, prevents solid from precipitating；Second sealing block, 24 arc surface is fixed with impeller 48；When work, after valve is opened, liquid The inclined design for flowing through fixed block 47 drives the rotation of the second sealing block 24, while the impeller 48 that flows through of liquid drives the Two sealing blocks 24 rotation, and the second sealing block 24 with 23 rotation direction of the first sealing block on the contrary, solid-liquid can be made more fully mixed thorough Bottom, while preventing the solid in liquid from causing solid to precipitate due to the at the uniform velocity transport of upper time, keep solid-liquid mixing uneven, together When 48 rotation process of impeller in the flow velocity of liquid can be improved, and after the first sealing block 23 sealing feeding inlet 11, the second sealing block 24 Since effect of inertia continues to rotate, the solidliquid mixture in valve can be extracted out by impeller 48, prevent solid in heavy in valve It forms sediment, prevents liquid in the too long corrosion valve of residence time in valve, to improve the service life of valve.

As one embodiment of the present invention, first sealing block 23 and 24 surface of the second sealing block are socketed with circle First rubber block 5 of annular；The first cavity 51, gassy in the first cavity 51 are offered in first rubber block 5；Work When, 24 back movement of the first sealing block 23 and the second sealing block, when the first sealing block 23 and the second sealing block 24 contact feeding inlet 11 and when discharge port 12, valve body 1 squeezes the first rubber block 5, to squeeze the first cavity 51, can make the first rubber block 5 patch completely Valve body 1 is closed, increases the contact area of the first sealing block 23 and the second sealing block 24, prevents the solid residue in solution in the first rubber 5 surface of blob of viscose causes to seal halfway phenomenon, while the first sealing block 23 and the second sealing block 24 seal back movement process Middle rotation can clean out 5 surface solid of the first rubber block, enhance leakproofness, and the soft contact of the first rubber block 5, can Improve valve service life.

As one embodiment of the present invention, first sealing block 23 and 24 opposite side side of the second sealing block are equal It is fixed with the stirring rod 52 being evenly arranged；52 soft elastic material of stirring rod is made；When work, the first sealing block 23 and The rotation of two sealing blocks 24 drives stirring rod 52 to rotate, while the rotation direction of adjacent two stirring rods 52 in left and right is on the contrary, can match It closes the first sealing block 23 and the second sealing block 24 improves mixing effect, prevent solid from precipitating.

As one embodiment of the present invention, the second cavity 53 is offered in the stirring rod 52；Second cavity Second spring 54 is fixed in 53, the elasticity of stirring rod 52 can be improved in second spring 54, puts during rotating stirring rod 52 It is dynamic, mixing effect is improved, while stirring rod 52 can be made to be close to 1 inner wall of valve body, 1 inner wall of valve body is cleared up；Described second is empty Chamber 53 is connected to the first cavity 51；When work, the first sealing block 23 and 24 back movement of the second sealing block seal feeding inlet 11 and go out When material mouth 12,1 inner wall of valve body squeezes stirring rod 52, is inflated by the second cavity 53 to the first cavity 51, improves the first rubber block 5 The compactness being bonded with 1 inner wall of valve body, to improve the leakproofness of valve.

As one embodiment of the present invention, the connection unit 3 includes oscillating rod 31, the second rubber block 32 and swings Plate 33；The feeding inlet 11 and 12 surface pivots of discharge port of the valve body 1 are connected with the oscillating rod 31 being evenly arranged, and feeding inlet 11 With the inner wall inclined design of discharge port 12；The valve body 1 offers the second groove 34 at feeding inlet 11 and discharge port 12；Institute State the oscillating deck 33 for being equipped with and being evenly arranged in the second groove 34；One end of the oscillating deck 33 and oscillating rod 31 are connected, and make to put When lever 31 is swung, 33 synchronous hunting of oscillating deck；The first air bag 35 is fixed in second groove 34；Second rubber 32 quantity of block is two, is respectively fixedly connected in 11 inner wall of discharge port 12 and feeding inlet, and 32 annular design of the second rubber block；Described second Third cavity 36 is offered in rubber block 32；The third cavity 36 is connected to the first air bag 35；When work, after pipeline insertion, pendulum Movable pendulum lever 31 makes oscillating rod 31 fitting pipeline outer wall, the installation and removal of more convenient valve completely, while oscillating rod 31 is put It drives oscillating deck 33 to swing during dynamic, to squeeze the first air bag 35, so that the expansion of the second rubber block 32 is close to pipeline outer wall, mention While high leakproofness, the expansion of the second rubber block 32 can effectively fix pipeline, and soft contact, can effectively prevent Pipe damage.

As one embodiment of the present invention, the 31 opposite side side of oscillating rod is fixed be evenly arranged Two air bags 37；Second air bag 37 is connected to the first air bag 35, improves valve tightness；Second air bag, the 37 surface matte is set Meter, the second rubber block 32 of cooperation can be improved the frictional force of oscillating rod 31 Yu pipeline, prevent valve from falling off；When work, oscillating rod 31 The second air bag 37 is squeezed when fixed -piping, and the first air bag 35 is inflated, is bonded the second rubber block 32 with pipeline outer wall closer, The second air bag 37 cooperates the second rubber block 32 to be completely fixed pipeline while improving leakproofness.

When closing valve, squeeze grip 22 keeps the second slide plate 42 right since the effect of convex block 27 moves up the first slide plate 25 It moves, to make 24 back movement of the first sealing block 23 and the second sealing block, since the effect of pressure valve makes the first sealing block 23 exist After feeding inlet 11 is fully sealed, the second sealing block 24 is moved to right, and seals material mouth 12,24 phase of the first sealing block 23 and the second sealing block Unlucky dynamic, when the first sealing block 23 and the second sealing block 24 contact feeding inlet 11 and discharge port 12, valve body 1 squeezes the first rubber Block 5 can make the first rubber block 5 fitting valve body 1 completely, be sealed, while the first sealing block 23 to squeeze the first cavity 51 Rotating with the second sealing block 24 drives stirring rod 52 to rotate, and the first sealing block 23 and 24 back movement of the second sealing block seal pan feeding Mouthfuls 11 and when discharge port 12,1 inner wall of valve body squeezes stirring rod 52, inflate by the second cavity 53 to the first cavity 51, raising the The compactness that one rubber block 5 is bonded with 1 inner wall of valve body when installation, after pipeline insertion, swings oscillating rod 31, keeps oscillating rod 31 complete It is complete to be bonded pipeline outer wall, it drives oscillating deck 33 to swing in 31 swing process of oscillating rod, to squeeze the first air bag 35, makes the second rubber Pipeline outer wall is close in the expansion of blob of viscose 32, and the expansion of the second rubber block 32 can effectively fix pipeline, while squeezing second Air bag 37 inflates the first air bag 35, is bonded the second rubber block 32 with pipeline outer wall closer, is completely fixed pipeline.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims

1. A sealed valve for a solid-liquid mixed conveying pipeline, characterized in that: it comprises a valve body (1), a sealing unit (2) and a connecting unit (3); the left side of the valve body (1) is provided with a feeding port (11); a discharge port (12) is provided on the right side of the valve body (1); the sealing unit (2) includes a power compartment (21), a handle (22), a first sealing block (23) and a second sealing block (23) Two sealing blocks (24); the engine compartment (21) is fixedly connected to the top of the valve body (1), and a first slide plate (25) is slidably connected in the engine compartment (21); above the first slide plate (25) A first fixing rod (26) is fixedly connected; the upper end of the first fixing rod (26) is arranged through the engine compartment (21), and is rotatably connected with a handle (22); the handle (22) is connected to the first fixing rod (26) A bump (27) is provided at the connection; one end of the bump (27) is fixedly connected to the lower surface of the handle (22), and the other end is designed with an arc surface to ensure the stability of the handle (22) after being pressed, The handle (22) is prevented from popping up; a first spring (28) is fixedly connected between the upper surface of the first slide plate (25) and the top inner wall of the power compartment (21); the first spring (28) is slidably sleeved on The surface of the first fixing rod (26); the first sealing block (23) and the second sealing block (24) are both located in the valve body (1), and the first sealing block (23) is located in the second sealing block (24) On the left side, and the side faces of the first sealing block (23) and the second sealing block (24) on the opposite side are all arc-surface design, which has a good flow guiding effect; the first sealing block (23) and the second sealing block (24) (24) A first groove (4) is provided on the side of the opposite side; the air pressure chamber (41) is fixedly connected in the first groove (4); the air pressure chamber (41) is slidably connected with a second sliding plate (42); a second fixing rod (43) is fixedly connected to the opposite side of the second sliding plate (42); the second fixing rod (43) is fixedly connected by a third fixing rod (44) on the inner wall of the valve body (1); the second fixing rod (43) is provided with a guide groove (45); the guide groove (45) communicates with the inner space of the power cabin (21) below the first slide plate (25); Air holes (46) that are evenly arranged are provided on part of the surface of the second fixing rod (43) in the air chamber (41); the air holes (46) communicate with the air chamber on the opposite side of the second slide plate (42). (41) Inner space and guide groove (45); a pressure valve is fixedly connected to one side of the second sealing block (24) in the guide groove (45), so that when the first sliding block moves up, the first sealing block (23) ) moves to the left to seal the inlet (11), the second sealing block (24) moves to the right to seal the outlet (12), and the valve is opened and closed through the change of air pressure.

2. A sealing valve for a solid-liquid mixed conveying pipeline according to claim 1, characterized in that: the circular arc surface of the first sealing block (23) is evenly arranged with fixed blocks (47); (47) The inclined setting, the first sealing block (23) can be driven to rotate by the fixed block (47) when the liquid flows, so as to have a stirring effect and prevent solid precipitation; the arc surface of the second sealing block (24) is fixedly connected There is an impeller (48); the second sealing block (24) is driven to rotate by the liquid flow, and the rotation direction of the second sealing block (24) is opposite to that of the first sealing block (23), which enhances the stirring effect and increases the liquid flow rate.

3. A kind of sealing valve for solid-liquid mixed conveying pipeline according to claim 2, characterized in that: the surfaces of the first sealing block (23) and the second sealing block (24) are sleeved with annular A first rubber block (5); a first cavity (51) is opened in the first rubber block (5), the first cavity (51) is filled with gas, and the first sealing block (23) and the second When the sealing block (24) seals the inlet (11) and the outlet (12), the first cavity (51) is squeezed, so that the first rubber block (5) can be completely fitted to the valve body (1), enhancing the sealing effect.

4. A kind of sealing valve for solid-liquid mixed conveying pipeline according to claim 3, characterized in that: the first sealing block (23) and the second sealing block (24) on the opposite side are fixed with uniform The arranged stirring rod (52); the stirring rod (52) is made of soft elastic material, and the first sealing block (23) and the second sealing block (24) can drive the stirring rod (52) to rotate to improve the stirring effect, Prevent solids from settling.

5. A sealed valve for a solid-liquid mixed conveying pipeline according to claim 4, characterized in that: a second cavity (53) is opened in the stirring rod (52); the second cavity (53) ) is fixedly connected with a second spring (54), the second spring (54) can improve the elasticity of the stirring rod (52), make the stirring rod (52) swing during the rotation, improve the stirring effect, and at the same time make the stirring rod (52). 52) Close to the inner wall of the valve body (1), and clean the inner wall of the valve body (1); the second cavity (53) communicates with the first cavity (51), the first sealing block (23) and the second sealing When the block (24) seals the inlet (11) and the outlet (12), the inner wall of the valve body (1) squeezes the stirring rod (52) to inflate the first cavity (51), so that the first rubber block ( 5) Completely close to the inner wall of the valve body (1), so that the sealing is complete.

6. The sealed valve for a solid-liquid mixed conveying pipeline according to claim 1, wherein the connecting unit (3) comprises a swing rod (31), a second rubber block (32) and a swing plate (33) ); the surfaces of the inlet (11) and outlet (12) of the valve body (1) are rotatably connected with evenly arranged swing rods (31), and the inlet (11) and outlet (12) The inner wall is inclined design; the valve body (1) is provided with second grooves (34) at both the inlet (11) and the outlet (12); the second grooves (34) are provided with There are evenly arranged swing plates (33); one end of the swing plate (33) is fixedly connected with the swing lever (31), so that when the swing lever (31) swings, the swing plate (33) swings synchronously; the second concave A first air bag (35) is fixedly connected in the groove (34); the number of the second rubber blocks (32) is two, which are respectively fixed to the inner walls of the discharge port (12) and the feed port (11), and the second rubber block (32) is fixed to the inner wall of the discharge port (12) and the feed port (11) respectively. The second rubber block (32) is of annular design; the second rubber block (32) is provided with a third cavity (36); the third cavity (36) communicates with the first airbag (35), and after the pipe is inserted, the The second rubber block (32) can be made to closely adhere to the outer wall of the pipeline, the discharge port (12) and the inner wall of the feed port (11), so as to make the sealing complete and facilitate the disassembly and installation of the valve.

7. A sealed valve for a solid-liquid mixed conveying pipeline according to claim 6, characterized in that: the second airbags (37) arranged evenly are fixedly connected to the opposite side of the swing rod (31); The second airbag (37) communicates with the first airbag (35) to improve valve sealing; the surface of the second airbag (37) is designed with a rough surface, and the second rubber block (32) can improve the connection between the swing rod (31) and the pipeline. friction to prevent the valve from falling off.