CN115899302A - Dome valve with same inlet and outlet flange connection size - Google Patents
Dome valve with same inlet and outlet flange connection size Download PDFInfo
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- CN115899302A CN115899302A CN202211368647.0A CN202211368647A CN115899302A CN 115899302 A CN115899302 A CN 115899302A CN 202211368647 A CN202211368647 A CN 202211368647A CN 115899302 A CN115899302 A CN 115899302A
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Abstract
The invention belongs to the technical field of valves, in particular to a dome valve with same inlet and outlet flange connection size, which comprises a valve body, a valve ball, a valve shaft, a rotating plate, a push rod, a push plate, a connecting block, a connecting rod, a guide rail, a sealing plate and a spring; when the dome valve is closed, the spring pushes the push rod to slide out of the inner cavity, the push plate is driven to slide to the rotating plate, the connecting block is driven to move, the connecting rods on the two sides are enabled to approach to each other and rotate, the sealing plate is pushed to be far away from the valve ball, and the inlet of the valve body is blocked and sealed; when the dome valve is opened, fluid passes through the valve body, the rotating plate is pushed to rotate, the push rod on one side is extruded, the push rod is pushed to slide into the inner cavity, the spring is compressed, the push rod pushes the push plate to slide with the connecting block, the connecting rods on two sides rotate to be unfolded on two sides, the sealing plate is pulled to be close to the valve ball, the gap between the sealing plate and the inner wall of the valve body is increased, the probability that solid particles in the fluid are clamped between the sealing plate and the inner wall of the valve body is reduced, and abrasion of the sealing ring and the valve ball is reduced.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a dome valve with same inlet and outlet flange connection size.
Background
In factory and living environment, a large number of pipelines are used for transporting fluid, and a plurality of valves are needed to be arranged for controlling the opening and closing of the pipelines; the dome valve is used for cutting off fluid or static material columns in the pipeline to realize closing and sealing; the dome valve core adopts different materials and different hardening treatment methods on the surface according to different application occasions; the surface of the valve core is smooth and hard, so that the valve core can be ensured to be in close contact with the rubber sealing ring, and the sealing reliability is ensured; the rotational displacement of the valve core in the valve body causes the dense material column to rotate, so that the dome valve can pass through the full material to be closed and sealed.
In the opening and closing process of the dome valve, a gap exists between the valve core and the rubber sealing ring, so that the valve core and the rubber sealing ring can move in a non-contact manner, the friction between the valve core and the sealing ring is avoided, and the abrasion is reduced. The dome valve pneumatic actuator directly drives the dome valve to rotate and is used for controlling the opening and closing of the dome valve; when the dome valve is closed, the rubber sealing ring presses the dome valve core to form a very reliable Clede sealing ring to prevent materials from flowing in the pipeline; when the dome valve opens, the dome valve spool opens and the valve opens.
Dome valve is when frequent opening and closing, inevitably has a small amount of solid particle to fall to the case on the displacement of following the case, and final card is in the gap department between sealing washer and the valve body, and the time is after for a long time, and the card is more and more at the material granule here, wears away sealing washer and case gradually, leads to the leakproofness of dome valve to reduce.
To this end, the present invention provides a dome valve having access flanges of the same size.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a dome valve with the same inlet and outlet flange connection size, which comprises a valve body, a valve ball, a valve shaft, a rotating plate, a push rod, a push plate, a connecting block, a connecting rod, a guide rail, a sealing plate and a spring, wherein the valve body is provided with a plurality of inlet and outlet flanges; the valve ball is rotatably mounted inside the valve body, a valve shaft is fixedly connected to the top end of the valve ball, the top of the valve shaft rotatably penetrates through the top of the valve body, a rotating plate is rotatably mounted on one side, close to the center of the valve body, of the valve ball, an inner cavity is formed inside the valve ball, a plurality of push rods are uniformly mounted on two sides, close to the rotating plate, of the inner cavity, the push rods rotatably penetrate through the side wall of the inner cavity, the ends of the push rods are in sliding fit with two sides of the rotating plate, a spring is sleeved on the outer ring of one end, close to the rotating plate, of the push rods, a push plate is fixedly connected to one end, far away from the rotating plate, of each push plate, the outer wall of each push plate is in sliding fit with the inner wall of the inner cavity, a connecting block is fixedly connected to the middle of one end, far away from the push rods, of the connecting block is provided with a pair of sliding grooves, a connecting rod is rotatably mounted on one end, sliding fit with the sliding grooves, the connecting rod slidably penetrates through the outer wall of the inner cavity, a sealing plate is arranged on one side of the spherical surface of the valve ball, a pair of the sealing plate is fixedly connected to the guide rails, and one end, far away from the connecting rod is slidably connected to the guide rails; when the dome valve is in work, when the dome valve is closed, the driving unit drives the valve shaft to rotate to drive the valve ball to rotate, so that the spherical surface of the valve ball rotates to the inlet of the valve body to cut off fluid in a pipeline, at the moment, the spring pushes the push rod to slide out of the inner cavity to drive the push plate to slide to the rotating plate and drive the connecting block to move, one end of the connecting rod slides along the sliding groove, the other end of the connecting rod slides along the guide rail, the connecting rod rotates around the position rotationally connected with the side wall of the inner cavity, so that the connecting rods on two sides are close to each other to rotate, the sealing plate is pushed to be far away from the valve ball, and the inlet of the valve body is blocked and sealed; when the dome valve is opened, fluid passes through the valve body, the rotating plate is pushed to rotate, the push rod on one side is extruded, the push rod is pushed to slide into the inner cavity, the spring is compressed, the push rod pushes the push plate to slide with the connecting block, the connecting rods on two sides are rotated and unfolded towards two sides, the sealing plate is pulled to be close to the valve ball, the gap between the sealing plate and the inner wall of the valve body is increased, the probability that solid particles in the fluid are clamped between the sealing plate and the inner wall of the valve body is reduced, and abrasion of the sealing ring and the valve ball is reduced.
Preferably, one side of the spherical surface of the valve ball is provided with a pair of ball holes, the ball holes penetrate through the outer wall of the valve ball, rolling balls are arranged in the ball holes in a rolling manner, the connecting rod penetrates through the rolling balls, and the connecting rod is fixedly connected with the rolling balls; one end of the connecting rod slides along the sliding chute, and the other end of the connecting rod slides along the guide rail, so that the connecting rod drives the rolling ball to rotate along the ball hole; the rolling ball rotates along the ball hole through the arrangement, so that the connecting rod rotates around the rolling ball, the resistance of the connecting rod to rotate is reduced, the smoothness of the connecting rod rotation is improved, and the stability of the sealing plate to operate is improved.
Preferably, a sliding rod is fixedly connected to the middle of the inner cavity and penetrates through the connecting block and the push plate in a sliding manner; the slide bar through setting up removes the effect that provides the direction for connecting block and push pedal, simultaneously, has reduced rocking when push pedal and connecting block slide to the card when having reduced the connecting rod motion is dunked.
Preferably, one end of the push rod close to the rotating plate is fixedly connected with a ball head, and the ball head is in sliding fit with the rotating plate; when the rotating plate rotates to extrude the ball head, the rotating plate rotates, and the spherical structure of the ball head enables the rotating plate to contact different positions of the ball head, so that thrust is provided for sliding of the push rod; through the arranged ball head, the frictional resistance between the rotating plate and the push rod is reduced, and the probability that the push rod blocks the rotating plate to rotate is reduced.
Preferably, a plurality of transverse plates are uniformly and fixedly connected to two sides of the rotating plate, and the transverse plates and the ball heads are distributed in a staggered manner; through the diaphragm that sets up, improved the bulk strength of commentaries on classics board, provide the guide effect to the flow of fluid simultaneously to, separate a plurality of push rods, reduced the mutual contact between the push rod, influence the slip of push rod.
Preferably, air cushions are fixedly connected to two sides between the sealing plate and the valve ball, an air hole is formed in the bottom of the valve ball and penetrates through the bottom of the valve body, the top end of the air hole is communicated with the air cushions through an air pipe, and the bottom end of the air hole is communicated with an air pump; when the valve body is in work, when the sealing plate seals the inlet of the valve body, fluid in the pipeline continuously impacts the sealing plate, and after a long time, the sealing plate can move towards the valve ball to generate a gap; high-pressure gas passes through the inside of gas pocket and the leading-in air cushion of trachea through the air pump for the air cushion inflation fills the support with the space between closing plate and the valve ball, thereby has reduced the probability that the closing plate takes place the displacement.
Preferably, a sealing gasket is fixedly connected to one side, away from the valve ball, of the sealing plate, and the inside of the sealing gasket is communicated with the air cushion through a pipeline; through the contact of the sealed pad that sets up and the entrance of valve ball, during the air cushion inflation, the inside of the sealed pad of gaseous leading-in for sealed pad produces slight inflation, makes the air cushion wrap up the packing with the entrance of valve ball completely and blocks up, thereby has improved the sealed degree when the dome valve is closed.
Preferably, flanges are fixedly connected to two ends of the valve body, and the flanges on two sides are identical in size and structure; the same flanges are arranged on the two sides, so that the installation and the use of workers are facilitated, and the installation efficiency of the workers is improved.
Preferably, a sealing ring is slidably mounted at one end of the valve body, a valve cover is bolted at one end of the valve body close to the sealing ring, and one side of the valve cover close to the valve body is in sliding fit with the outer wall of the sealing ring; through the valve gap that sets up, the staff selects the valve gap of different internal diameters according to the diameter of pipeline to the staff's of being convenient for installation work has improved the application scope of dome valve simultaneously.
The invention has the following beneficial effects:
1. the invention relates to a dome valve with same inlet and outlet flange connection size, which is characterized in that a valve body, a valve ball, a valve shaft, a rotating plate, a push rod, a push plate, a connecting block, a connecting rod, a guide rail, a sealing plate and a spring are arranged; when the dome valve is closed, the driving unit drives the valve shaft to rotate to drive the valve ball to rotate, so that the spherical surface of the valve ball rotates to an inlet of the valve body to cut off fluid in the pipeline, at the moment, the spring pushes the push rod to slide out of the inner cavity to drive the push plate to slide to the rotating plate to drive the connecting block to move, so that one end of the connecting rod slides along the sliding groove, the other end of the connecting rod slides along the guide rail, the connecting rod rotates around a position rotationally connected with the side wall of the inner cavity to enable the connecting rods on the two sides to approach to rotate, the sealing plate is pushed to be far away from the valve ball, and the inlet of the valve body is blocked and sealed; when the dome valve is opened, fluid passes through the valve body, the rotating plate is pushed to rotate, the push rod on one side is extruded, the push rod is pushed to slide into the inner cavity, the spring is compressed, the push rod pushes the push plate to slide with the connecting block, the connecting rods on two sides are rotated and unfolded towards two sides, the sealing plate is pulled to be close to the valve ball, the gap between the sealing plate and the inner wall of the valve body is increased, the probability that solid particles in the fluid are clamped between the sealing plate and the inner wall of the valve body is reduced, and abrasion of the sealing ring and the valve ball is reduced.
2. The dome valve with the same inlet and outlet flange connection size is characterized in that the dome valve is provided with the air cushion; when the sealing plate seals the inlet of the valve body, the fluid in the pipeline continuously impacts the sealing plate, and after a long time, the sealing plate moves towards the valve ball to generate a gap; high-pressure gas passes through the inside of gas pocket and the leading-in air cushion of trachea through the air pump for the air cushion inflation fills the support with the space between closing plate and the valve ball, thereby has reduced the probability that the closing plate takes place the displacement.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a first embodiment of the present invention;
FIG. 3 is a perspective view of a valve ball according to one embodiment of the present invention;
FIG. 4 is a first cross-sectional view of a valve ball according to one embodiment of the present invention;
FIG. 5 is a second cross-sectional view of the valve ball in accordance with one embodiment of the present invention;
FIG. 6 is a cross-sectional view of a valve ball according to a second embodiment of the present invention;
in the figure: 1. a valve body; 2. a valve ball; 3. a valve shaft; 4. rotating the plate; 5. a push rod; 6. pushing the plate; 7. connecting blocks; 8. a connecting rod; 9. a guide rail; 10. a sealing plate; 11. a spring; 12. an inner cavity; 13. a chute; 14. a ball hole; 15. rolling a ball; 16. a slide bar; 17. a ball head; 18. a transverse plate; 19. an air cushion; 20. air holes; 21. a gasket; 22. a flange; 23. a seal ring; 24. a valve cover; 25. and a baffle plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 4, a dome valve with an inlet and outlet flange having the same connecting size according to an embodiment of the present invention includes a valve body 1, a valve ball 2, a valve shaft 3, a rotating plate 4, a push rod 5, a push plate 6, a connecting block 7, a connecting rod 8, a guide rail 9, a sealing plate 10, and a spring 11; a valve ball 2 is rotatably mounted inside the valve body 1, a valve shaft 3 is fixedly connected to the top end of the valve ball 2, the top of the valve shaft 3 rotatably penetrates through the top of the valve body 1, a rotating plate 4 is rotatably mounted on one side, close to the center of the valve body 1, of the valve ball 2, an inner cavity 12 is formed inside the valve ball 2, a plurality of push rods 5 are uniformly mounted on two sides of one side, close to the rotating plate 4, of the inner cavity 12, the push rods 5 rotatably penetrate through the side wall of the inner cavity 12, the end of each push rod 5 is in sliding fit with two sides of the rotating plate 4, a spring 11 is sleeved on the outer ring of one end, close to the rotating plate 4, of each push rod 5, a push plate 6 is fixedly connected to one end, far away from the rotating plate 4, of each push rod 5, the outer wall of the push plate 6 is in sliding fit with the inner wall of the inner cavity 12, a connecting block 7 is fixedly connected to the middle of one end, far away from the push plate 5, of the connecting block 7 is provided with a pair of sliding grooves 13, a connecting rod 8 is rotatably mounted to one side, one end of the connecting rod 8 is in sliding fit with the sliding groove 13, the sliding fit with one side, the outer wall of the connecting rod 8 slidably penetrates through the inner cavity 12, one side of the spherical surface of the valve ball 2, a sealing plate 10 is provided with a guide rail 9, and a pair of the connecting block 9, which is fixedly connected to the connecting block 9; when the dome valve works, when the dome valve is closed, the driving unit drives the valve shaft 3 to rotate to drive the valve ball 2 to rotate, so that the spherical surface of the valve ball 2 rotates to an inlet of the valve body 1 to cut off fluid in a pipeline, at the moment, the spring 11 pushes the push rod 5 to slide out of the inner cavity 12 to drive the push plate 6 to slide to the rotating plate 4 to drive the connecting block 7 to move, so that one end of the connecting rod 8 slides along the sliding groove 13, the other end of the connecting rod 8 slides along the guide rail 9, the connecting rod 8 rotates around a position rotationally connected with the side wall of the inner cavity 12, so that the connecting rods 8 on two sides approach to rotate oppositely, the sealing plate 10 is pushed to be away from the valve ball 2, and the inlet of the valve body 1 is blocked and sealed; when the dome valve is opened, the fluid passes through the valve body 1, the rotating plate 4 is pushed to rotate, the push rod 5 on one side is extruded, the push rod 5 is pushed to slide into the inner cavity 12, the spring 11 is compressed, the push rod 5 pushes the push plate 6 to slide with the connecting block 7, the connecting rods 8 on two sides are enabled to rotate and expand towards two sides, the sealing plate 10 is pulled to be close to the valve ball 2, the gap between the sealing plate 10 and the inner wall of the valve body 1 is increased, the probability that solid particles in the fluid are clamped between the sealing plate 10 and the inner wall of the valve body 1 is reduced, and the abrasion of the sealing ring 23 and the valve ball 2 is reduced.
As shown in fig. 4, one side of the spherical surface of the valve ball 2 is provided with a pair of ball holes 14, the ball holes 14 penetrate through the outer wall of the valve ball 2, a rolling ball 15 is arranged inside the ball holes 14 in a rolling manner, the connecting rod 8 penetrates through the rolling ball 15, and the connecting rod 8 is fixedly connected with the rolling ball 15; one end of the connecting rod 8 slides along the sliding chute 13, and the other end of the connecting rod 8 slides along the guide rail 9, so that the connecting rod 8 drives the rolling ball 15 to rotate along the ball hole 14; through the spin 15 that sets up rotatory along ball hole 14 for connecting rod 8 has reduced the connecting rod 8 and has rotated the resistance that receives around spin 15, has improved connecting rod 8 pivoted smoothness nature, has improved the stability of closing plate 10 operation.
As shown in fig. 4, a sliding rod 16 is fixedly connected to the middle of the inner cavity 12, and the sliding rod 16 slidably penetrates through the connecting block 7 and the push plate 6; the sliding rod 16 provides guiding function for the movement of the connecting block 7 and the push plate 6, and meanwhile, the shaking of the push plate 6 and the connecting block 7 during sliding is reduced, so that the jamming of the connecting rod 8 during movement is reduced.
As shown in fig. 3 to 4, a ball head 17 is fixedly connected to one end of the push rod 5 close to the rotating plate 4, and the ball head 17 is in sliding fit with the rotating plate 4; when the rotating plate 4 rotates to extrude the ball head 17, the rotating plate 4 rotates, and the spherical structure of the ball head 17 enables the rotating plate 4 to contact different positions of the ball head 17 to provide thrust for the sliding of the push rod 5; through the bulb 17 that sets up, reduced the frictional resistance between commentaries on classics board 4 and the push rod 5, reduced the push rod 5 and blockked the probability that commentaries on classics board 4 rotated.
As shown in fig. 3, a plurality of transverse plates 18 are uniformly and fixedly connected to two sides of the rotating plate 4, and the transverse plates 18 and the ball heads 17 are distributed in a staggered manner; through the diaphragm 18 that sets up, improved the bulk strength of commentaries on classics board 4, provide the guide effect simultaneously to the flow of fluid to, separate a plurality of push rods 5, reduced the mutual contact between the push rod 5, influence the slip of push rod 5.
As shown in fig. 5, air cushions 19 are fixedly connected to two sides between the sealing plate 10 and the valve ball 2, an air hole 20 is formed in the bottom of the valve ball 2, the air hole 20 penetrates through the bottom of the valve body 1, the top end of the air hole 20 is communicated with the air cushions 19 through an air pipe, and the bottom end of the air hole 20 is communicated with an air pump; when the valve body 1 works, when the sealing plate 10 seals the inlet of the valve body 1, fluid in a pipeline continuously impacts the sealing plate 10, and after a long time, the sealing plate 10 moves towards the valve ball 2 to generate a gap; high-pressure gas is led into the air cushion 19 through the air hole 20 and the air pipe by the air pump, so that the air cushion 19 expands, and a gap between the sealing plate 10 and the valve ball 2 is filled and supported, so that the probability of displacement of the sealing plate 10 is reduced.
As shown in fig. 3 to 5, a sealing gasket 21 is fixedly connected to one side of the sealing plate 10 away from the valve ball 2, and the inside of the sealing gasket 21 is communicated with the air cushion 19 through a pipeline; through the contact of the sealed pad 21 that sets up and the entrance of valve ball 2, when air cushion 19 expands, the inside of the leading-in sealed pad 21 of gas for sealed pad 21 produces slight inflation, makes air cushion 19 wrap up the packing completely with the entrance of valve ball 2 and blocks up, thereby has improved the degree of sealing when the dome valve is closed.
As shown in fig. 1 to fig. 2, flanges 22 are fixedly connected to both ends of the valve body 1, and the flanges 22 on both sides have the same size and structure; the same flanges 22 are arranged on two sides, so that installation and use of workers are facilitated, and the installation efficiency of the workers is improved.
As shown in fig. 1 to 2, a sealing ring 23 is slidably mounted at one end of the valve body 1, a valve cover 24 is bolted at one end of the valve body 1 close to the sealing ring 23, and one side of the valve cover 24 close to the valve body 1 is in sliding fit with the outer wall of the sealing ring 23; through the valve gap 24 who sets up, the staff selects the valve gap 24 of different internal diameters according to the diameter of pipeline to the installation work of the staff of being convenient for has improved the application scope of dome valve simultaneously.
Example two
As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: both sides of the air cushion 19 are provided with baffles 25, and the baffles 25 are fixedly connected with the valve ball 2; the baffle 25 is arranged to prevent the air cushion 19 from expanding towards two sides, so that the expansion direction of the air cushion 19 is limited, and the supporting strength of the air cushion 19 is improved.
When in work: selecting a matched valve cover 24 according to the diameter of the inner diameter of the pipeline, enabling the inner diameter of the valve cover 24 to be the same as the inner diameter of the pipeline, and installing the valve cover 24 by using bolts, so that the valve cover 24 extrudes the sealing ring 23; then the pipeline is connected with the valve body 1 through the flange 22;
when the dome valve is closed, the driving unit drives the valve shaft 3 to rotate to drive the valve ball 2 to rotate, so that the spherical surface of the valve ball 2 rotates to an inlet of the valve body 1 to cut off fluid in a pipeline, at the moment, the spring 11 pushes the push rod 5 to slide out of the inner cavity 12, the ball head 17 pushes the rotating plate 4 to rotate to an intermediate position, the push rod 5 drives the push plate 6 to slide to the rotating plate 4 to drive the connecting block 7 to move, one end of the connecting rod 8 slides along the sliding groove 13, the connecting rod 8 drives the rolling ball 15 to rotate along the ball hole 14, the other end of the connecting rod 8 slides along the guide rail 9, so that the connecting rods 8 on two sides approach each other to rotate, the sealing plate 10 is pushed to be away from the valve ball 2, and the inlet of the valve body 1 is blocked and sealed; at this time, the fluid in the pipeline continuously impacts the sealing plate 10, and after a long time, the sealing plate 10 moves towards the valve ball 2 to generate a gap, so that the dome valve generates leakage; the air pump guides high-pressure air into the air cushion 19 through the air hole 20 and the air pipe, so that the air cushion 19 expands, and a gap between the sealing plate 10 and the valve ball 2 is filled and supported, when the air cushion 19 expands, the air is guided into the sealing gasket 21, so that the sealing gasket 21 slightly expands, the air cushion 19 completely wraps, fills and blocks the inlet of the valve ball 2, and the inlet of the valve body 1 is sealed and blocked;
when the dome valve is opened, the driving unit drives the valve shaft 3 to rotate, and drives the valve ball 2 to rotate; meanwhile, the air pump sucks out high-pressure air in the air cushion 19 and the sealing gasket 21 through the air hole 20 and the air pipe, so that the air cushion 19 and the sealing gasket 21 are contracted; at this moment, the fluid passes valve body 1, promote the commentaries on classics board 4 and rotate, the direction is separated by diaphragm 18 to the fluid simultaneously, commentaries on classics board 4 extrudees the push rod 5 of one side, promote the inside of push rod 5 slip-in inner chamber 12, make the compression of spring 11, push rod 5 promotes push pedal 6 and the sliding of connecting block 7, make the connecting rod 8 of both sides rotate to both sides and expand, drive spin 15 and rotate in the inside of ball hole 14, connecting rod 8 pulling closing plate 10 is close to valve ball 2, make the clearance increase of closing plate 10 and 1 inner wall of valve body, the probability that the solid particle card in the fluid arrived between closing plate 10 and the 1 inner wall of valve body has been reduced, thereby the wearing and tearing of sealing washer 23 and valve ball 2 have been reduced.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A dome valve with access flanged connections of the same size, characterized in that: comprises a valve body (1), a valve ball (2), a valve shaft (3), a rotating plate (4), a push rod (5), a push plate (6), a connecting block (7), a connecting rod (8), a guide rail (9), a sealing plate (10) and a spring (11); the valve ball (2) is rotatably mounted in the valve body (1), a valve shaft (3) is fixedly connected to the top end of the valve ball (2), the top of the valve shaft (3) is rotated to penetrate through the top of the valve body (1), a rotating plate (4) is rotatably mounted on one side, close to the center of the valve body (1), of the valve ball (2), an inner cavity (12) is formed in the valve ball (2), a plurality of push rods (5) are uniformly mounted on two sides of one side, close to the rotating plate (4), of the inner cavity (12), the push rods (5) are rotated to penetrate through the side wall of the inner cavity (12), the ends of the push rods (5) are in sliding fit with the two sides of the rotating plate (4), a spring (11) is sleeved on the outer ring of one end, close to the rotating plate (4), of the push rods (5) to the outer ring, a plurality of push plates (6) are arranged at one ends, far away from the rotating plate (4), the outer walls of the push plates (6) are in sliding fit with the inner wall of the inner cavity (12), a connecting rod (6) is fixedly connected with a connecting block (7) at the middle of one end of the push rod (6), a pair of the connecting rod (6) far away from one side of the push plate (6), a pair of the connecting rod (13) is arranged on one side, a connecting rod (8) is arranged on one side of the connecting block (8), and a connecting rod (8) is arranged on the connecting rod (8) respectively arranged on the connecting rod (8), and a connecting rod (8) is arranged on the connecting rod (8) which is arranged, and a connecting rod (8) which is arranged in sliding fit with the connecting rod (8) which is arranged on which is arranged in sliding fit with the connecting rod (8) which is arranged in the connecting rod (8), a sealing plate (10) is arranged on one side of the spherical surface of the valve ball (2), one surface, close to the valve ball (2), of the sealing plate (10) is fixedly connected with a pair of guide rails (9), and one end, far away from the connecting block (7), of the connecting rod (8) is connected with the guide rails (9) in a sliding mode.
2. A unilateralized dome valve with inlet and outlet flanges as set forth in claim 1 wherein: the ball valve is characterized in that one pair of ball holes (14) are formed in one side of the spherical surface of the valve ball (2), the ball holes (14) penetrate through the outer wall of the valve ball (2), rolling balls (15) are installed inside the ball holes (14) in a rolling mode, the connecting rod (8) penetrates through the rolling balls (15), and the connecting rod (8) is fixedly connected with the rolling balls (15).
3. A unilateralized dome valve with inlet and outlet flanges as set forth in claim 1 wherein: the middle part of inner chamber (12) is rigid coupling has slide bar (16), slide bar (16) slip through connecting block (7) and push pedal (6).
4. A unilateralized dome valve with inlet and outlet flanges as set forth in claim 1 wherein: one end of the push rod (5) close to the rotating plate (4) is fixedly connected with a ball head (17), and the ball head (17) is in sliding fit with the rotating plate (4).
5. A unilateralized dome valve with inlet and outlet flanges as set forth in claim 1 wherein: a plurality of transverse plates (18) are uniformly and fixedly connected to the two sides of the rotating plate (4), and the transverse plates (18) and the ball heads (17) are distributed in a staggered mode.
6. A unilateralized dome valve with inlet and outlet flanges as set forth in claim 1 wherein: the equal rigid coupling in both sides between closing plate (10) and valve ball (2) has air cushion (19), air pocket (20) have been seted up to the bottom of valve ball (2), air pocket (20) run through the bottom of valve body (1), the top and the air cushion (19) of air pocket (20) pass through the trachea intercommunication, the bottom intercommunication of air pocket (20) has the air pump.
7. A unifonn size dome valve with inlet and outlet flanges as set forth in claim 6 wherein: one side of the sealing plate (10) far away from the valve ball (2) is fixedly connected with a sealing gasket (21), and the inside of the sealing gasket (21) is communicated with an air cushion (19) through a pipeline.
8. A dome valve with uniform inlet and outlet flanged dimensions as set forth in claim 7 wherein: the two ends of the valve body (1) are fixedly connected with flanges (22), and the flanges (22) on the two sides are identical in size and structure.
9. A unifonn size dome valve with inlet and outlet flanges as set forth in claim 1 wherein: one end slidable mounting of valve body (1) has sealing washer (23), valve body (1) is close to one end bolt connection valve bonnet (24) of sealing washer (23), valve bonnet (24) be close to one side of valve body (1) and the outer wall sliding fit of sealing washer (23).
10. A dome valve with uniform inlet and outlet flanged dimensions as set forth in claim 6 wherein: both sides of the air cushion (19) are provided with baffles (25), and the baffles (25) are fixedly connected with the valve ball (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211368647.0A CN115899302B (en) | 2022-11-03 | 2022-11-03 | Dome valve with same inlet and outlet flange connection size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211368647.0A CN115899302B (en) | 2022-11-03 | 2022-11-03 | Dome valve with same inlet and outlet flange connection size |
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| CN115899302A true CN115899302A (en) | 2023-04-04 |
| CN115899302B CN115899302B (en) | 2023-09-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202174A (en) * | 2017-07-13 | 2017-09-26 | 江苏艮德电力设备有限公司 | A kind of new double containment form dome valve |
| CN108775414A (en) * | 2018-06-16 | 2018-11-09 | 张新丰 | A kind of antifriction ball valve |
| KR20190047236A (en) * | 2017-10-27 | 2019-05-08 | 주식회사 대한시브이디 | Semi ball type dome valve with threaded welded type ultra hard segment |
| CN110332332A (en) * | 2019-08-07 | 2019-10-15 | 常州亚泓环保科技有限公司 | The soft or hard double containment offset-type semisphere valve of three eccentricity |
| CN212804465U (en) * | 2020-06-15 | 2021-03-26 | 滨海业达铸件有限公司 | Anti-blocking ball valve body |
-
2022
- 2022-11-03 CN CN202211368647.0A patent/CN115899302B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202174A (en) * | 2017-07-13 | 2017-09-26 | 江苏艮德电力设备有限公司 | A kind of new double containment form dome valve |
| KR20190047236A (en) * | 2017-10-27 | 2019-05-08 | 주식회사 대한시브이디 | Semi ball type dome valve with threaded welded type ultra hard segment |
| CN108775414A (en) * | 2018-06-16 | 2018-11-09 | 张新丰 | A kind of antifriction ball valve |
| CN110332332A (en) * | 2019-08-07 | 2019-10-15 | 常州亚泓环保科技有限公司 | The soft or hard double containment offset-type semisphere valve of three eccentricity |
| CN212804465U (en) * | 2020-06-15 | 2021-03-26 | 滨海业达铸件有限公司 | Anti-blocking ball valve body |
Non-Patent Citations (1)
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| 刘丽芬;: "圆顶阀的故障分析与维护", 硫磷设计与粉体工程, no. 06, pages 34 - 36 * |
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| CN115899302B (en) | 2023-09-26 |
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