CN215721008U - Tee bend reposition of redundant personnel ball valve - Google Patents
Tee bend reposition of redundant personnel ball valve Download PDFInfo
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- CN215721008U CN215721008U CN202122381248.5U CN202122381248U CN215721008U CN 215721008 U CN215721008 U CN 215721008U CN 202122381248 U CN202122381248 U CN 202122381248U CN 215721008 U CN215721008 U CN 215721008U
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Abstract
The utility model provides a three-way shunt ball valve which comprises a valve body, a valve seat, a C-shaped ball body, a lower shaft, a valve cover, a valve rod and a support, wherein the valve body is integrally arranged and is provided with a fluid inlet and two valve cavities, the central flow axes of the two valve cavities form an included angle of 30-75 degrees, and an upper opening is formed above the two valve cavities; the valve seat is arranged on the inner side of the valve cavity and is provided with a valve seat sealing surface; the C-shaped ball body is arranged in the valve cavity and is provided with a valve ball sealing surface; the lower shaft penetrates through the valve body and is inserted into the C-shaped ball body; the valve cover is arranged at the position of the upper opening; the valve rod passes through the valve cover and is fixedly connected with the C-shaped sphere; the bracket is arranged above the valve cover; the three-way shunt ball valve can adjust the flow direction of fluid at any time according to the requirement, is convenient and quick, reduces the workload, and has strong pressure resistance, good sealing performance and long service life; when the ball valve needs to be overhauled, the valve cover is detached from the valve body, the internal part is taken out, and then the taken-out internal part is overhauled, so that the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a three-way shunt ball valve capable of performing shunt regulation on fluid.
Background
With the continuous improvement of ball valve production process and product structure, the ball valve is widely applied in industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like. The ball valve has the function of cutting off, distributing or changing the flow direction of the medium in the pipeline, and can cut off or change the direction of the fluid only by small rotating torque.
In some production occasions, the same fluid needs to be conveyed to different places, but a shunt three-way ball valve for separately conveying the fluid is not available in reality; in some occasions where the flow needs to be divided, a three-way pipeline is used for dividing the flow, but the manufacturing process of the traditional three-way pipeline has lower requirements and lower strength than that of a ball valve; under the general condition, the fluid velocity of carrying in the pipeline is big, pressure is big, the impact force is strong, contains the stereoplasm granule in the fluid moreover often, and this can cause the impact to tee bend pipeline to there is great friction damage to the tee bend, lead to life short, the risk that the fluid reveals appears easily.
Chinese patent document CN211202972U discloses a detachable tee bend ball valve, including connecting the chamber, the left side fixed mounting who connects the chamber has the inlet tube, and right side fixed mounting has distributive pipe one, and preceding fixed mounting has distributive pipe two, connects the higher authority fixed mounting in chamber to have the stay tube, and the top surface fixed mounting of stay tube has the frame, and the higher authority fixed mounting of frame has the motor, and the middle part swing joint of motor has the rotation axis, and the top surface fixed mounting of rotation axis has the indicator plate, and the bottom surface fixed mounting of indicator plate has the spheroid. During the use, the motor drives the rotation axis rotatory, makes the rotation axis drive the spheroid and is connecting the inner chamber rotation in the chamber, and the round hole of seting up through the spheroid surface is connecting the different positions in chamber inner chamber, realizes that the device shunts the rivers in the pipeline. In the technical scheme in the patent document, the ball body is provided with the hole to adjust the flow direction of the fluid, however, when the ball body rotates, the position of the hole integrally rotates, and each water diversion pipe cannot be independently adjusted according to actual needs, so that the adjusting capacity is poor; in addition, the rotary movement mode of the ball is easy to form abrasion between the ball and the connecting cavity, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the technical defects that no three-way shunt ball valve specially used for individually adjusting and shunting the fluid exists in the prior art, and the three-way shunt ball valve has short service life and poor personalized adjusting capability no matter a three-way pipeline is used for shunting or a traditional three-way valve with a through hole formed in a ball body is used, so that the three-way shunt ball valve has strong pressure resistance, good sealing performance and long service life and can individually adjust the flow according to the needs.
Therefore, the utility model provides a three-way shunt ball valve, which comprises:
the valve body is integrally arranged and provided with a fluid inlet and two valve cavities communicated with the fluid inlet, the two valve cavities are respectively provided with a fluid outlet, and the central flow axes of the two valve cavities form an included angle of 30-75 degrees; the joint of the two valve cavities is communicated with the fluid inlet, and upper openings are formed above the two valve cavities;
the two valve seats are respectively arranged on one side of the two valve cavities close to the fluid inlet and are provided with valve seat sealing surfaces;
the two C-shaped spheres are respectively and rotatably arranged in the two valve cavities and are provided with valve ball sealing surfaces which can be matched and sealed with the valve seat sealing surfaces; in the vertical direction, the top end and the bottom end are both provided with grooves; the C-shaped sphere is away from the inner wall of the valve cavity at the side provided with the fluid outlet by a certain distance;
the two lower shafts penetrate through the bottoms of the valve bodies opposite to the two valve cavities respectively and are rotatably and hermetically mounted, the inserting parts of the two lower shafts are connected with grooves at the bottom ends of the two C-shaped spheres respectively, and the C-shaped spheres can rotate relative to the lower shafts;
the valve covers are arranged at the upper opening positions, vertical through holes for the valve rods to penetrate through are formed in the middle of the valve covers, and two supports are fixedly arranged at positions corresponding to the top ends of the two valve covers respectively;
one ends of the two valve rods respectively penetrate through the two vertical through holes and then are fixedly connected with the upper ends of the two C-shaped spheres, and the other ends of the two valve rods vertically penetrate through the support upwards;
the two elastic sealing structures are respectively arranged between the two valve seats and the valve body;
and two filling and sealing structures are arranged between the two support parts of the valve rod and the inner wall of the vertical through hole respectively.
As a preferable scheme, the valve seat is detachably and fixedly arranged on the valve body through a pressure plate; the valve seat is provided with a first annular bulge, the valve body is provided with a first annular step platform, and the first annular step platform is opposite to the first annular bulge; the pressure plate is detachably arranged on the valve body and is provided with a second annular bulge corresponding to the first annular step platform, and an extrusion mounting space for extruding and fixing the first annular bulge is formed between the first annular step platform and the second annular bulge;
the outer peripheral surface of the pressing plate is provided with an external thread, the inner wall of the valve body opposite to the external thread is provided with an internal thread, and the pressing plate is installed inside the valve body through a thread structure.
As a preferred scheme, a first gasket is arranged at the joint of the valve cover and the valve body; the valve body is provided with an integrally formed threaded shaft around the upper opening; a through hole is formed in the position, opposite to the threaded shaft, of the valve cover; the threaded shaft passes through the through hole in the valve cover and then is connected with the valve cover through the nut.
As a preferable scheme, the joint of the valve cover and the valve body is higher than the joint of the C-shaped sphere and the valve rod by a certain distance.
As a preferable aspect, the elastic sealing structure includes:
the graphite retainer ring is arranged on one side of the fluid inlet and is arranged along the circumferential direction in the valve body;
the valve seat pressing sleeve is arranged on one side, close to the valve seat, of the graphite retainer ring;
the corrugated plate spring has certain elasticity and is arranged on the side wall of the valve body between the valve seat pressing sleeve and the graphite retainer ring;
and the valve seat sealing ring is sleeved on the valve seat and is tightly connected with the valve seat pressing sleeve.
As a preferable aspect, the filling and sealing structure includes:
the packing groove is arranged on the inner side wall of one end, facing the bracket, of the vertical through hole;
the packing is sleeved on the valve rod and is arranged at the bottom of the packing groove;
the packing pressing sleeve is sleeved on the valve rod and is positioned above the packing;
and the packing pressing plate is sleeved on the valve rod, is positioned above the packing pressing sleeve and is fixedly connected with the valve cover through a bolt.
As a preferred scheme, a plurality of threaded holes are formed in part of the valve cover below the packing pressing plate, and the packing pressing plate and the valve cover are fixed together through bolts.
Preferably, the bracket is arranged above the packing pressing plate and fixedly connected with the valve cover, and the middle of the bracket is passed through the top end of the valve rod.
As a preferred scheme, the lower shaft is detachably arranged at the bottom of the valve body, the lower shaft is fixed at the bottom of the valve body through a bolt, and a second gasket is arranged at the joint of the lower shaft and the valve body.
Preferably, the C-shaped sphere is an eccentric sphere.
The technical scheme provided by the utility model has the following advantages:
1. the three-way shunt ball valve comprises a valve body, a valve seat, a C-shaped ball body, a lower shaft, a valve cover, a valve rod and a support, wherein the valve body is integrally arranged and is provided with a fluid inlet and two valve cavities, the central flow axes of the two valve cavities form an included angle of 30-75 degrees, and an upper opening is formed above the two valve cavities; the valve seat is arranged on the inner side of the valve cavity and is provided with a valve seat sealing surface; the C-shaped ball body is arranged in the valve cavity and is provided with a valve ball sealing surface; the lower shaft penetrates through the valve body and is inserted into the C-shaped ball body; the valve cover is arranged at the position of the upper opening; the valve rod passes through the valve cover and is fixedly connected with the C-shaped sphere; the bracket is fixedly arranged above the valve cover;
when fluid needs to be shunted to one side, firstly, the bracket at the side needing to be shunted is rotated to drive the valve rod and the C-shaped ball body to rotate, so that the C-shaped ball body at the side needing to be shunted is opened; then the bracket on the other side is rotated to drive the valve rod and the C-shaped ball body on the other side to rotate and close, and then the fluid can be shunted to one side; when fluid needs to be shunted to two sides, the supports on the two sides can be rotated to drive the valve rod and the C-shaped ball bodies to rotate, so that the C-shaped ball bodies on the two sides are opened, and the fluid can be shunted to the two sides; the three-way shunt ball valve can adjust the flow direction of fluid at any time according to the requirement, is convenient and quick, reduces the workload, and has strong pressure resistance, good sealing performance and long service life; the three-way flow divider valve is of an upper-mounting structure, when the ball valve is damaged and needs to be overhauled, the ball valve does not need to be integrally disassembled, only the valve cover needs to be disassembled from the valve body, after the internal part is taken out, the valve body is temporarily sealed and used as a pipeline, then the taken-out internal part is overhauled, and pipelines at the positions of a fluid inlet and a fluid outlet at the two ends of the ball valve do not need to be moved or disassembled, so that the workload is reduced, and the working efficiency is improved.
2. The three-way shunt ball valve also comprises a pressing plate which is detachably arranged on the valve body and used for fixing and limiting the valve seat; specifically, a first annular bulge is arranged on the outer edge of the valve seat far away from the C-shaped ball body, a first annular step table is arranged at the position of the valve body opposite to the valve seat, a second annular bulge is arranged on the pressure plate at the position corresponding to the first annular step table, and an extrusion installation space for extruding and fixing the first annular bulge is formed between the first annular step table and the second annular bulge; the outer peripheral face of the pressing plate is provided with the external thread, the inner wall of the valve body opposite to the external thread is provided with the internal thread, the pressing plate is installed inside the valve body through the thread structure, the problem that the pressing plate is installed in a narrow space is solved through the installation mode, the installation is convenient and firm, the pressing plate can be prevented from excessively protruding towards one side of the C-shaped ball valve, and the sealing contact between the sealing face of the valve seat and the sealing face of the valve ball is influenced.
3. According to the three-way shunt ball valve, a plurality of integrally formed threaded shafts are arranged around the upper opening of the valve body, and through holes are formed in the positions, opposite to the threaded shafts, of the valve cover; after a first gasket is placed around the upper opening, the valve cover penetrates through the threaded shaft and then is pressed on the first gasket, and the valve cover and the valve body are fixed together by using a nut; the integration sets up, can increase the total intensity of ball valve, sets up the gasket and can reduce the friction between valve body and the valve gap, increases the life of ball valve. The junction of valve gap and valve body, go up the opening position promptly, go up a certain distance above C type spheroid and valve rod hookup location in vertical direction, it is more convenient when can making C type spheroid rotate, also can reduce the washing away to the valve gap when the fluid passes through.
4. The elastic sealing structure of the three-way shunt ball valve comprises a graphite retainer ring, a valve seat pressing sleeve, a wave-shaped plate spring and a valve seat sealing ring. The graphite check ring is arranged on one side of the fluid inlet and is arranged along the circumferential direction in the valve body; the corrugated plate spring is arranged on one side of the graphite retainer ring close to the C-shaped sphere; the valve seat pressing sleeve is arranged on the other side of the wave-shaped plate spring; the valve seat sealing ring is sleeved on the valve seat. Specifically, the graphite retainer ring can reduce the gap between the valve seat pressing sleeve and the valve body, and prevent impurities in the flow channel from entering the gap between the valve body and the valve seat pressing sleeve; the wave-shaped plate spring can automatically adjust and eliminate the expansion size of the high-temperature environment material, so that the valve seat and the C-shaped ball body are prevented from being clamped, and the valve is opened and closed to normally operate; the valve seat sealing ring can reduce the clearance between the valve seat, the valve seat pressing sleeve and the valve body. The three-way shunt ball valve can reduce impurities in fluid from entering the valve seat pressing sleeve and the gap formed by the mutual connection of the valve seat and the valve body, improve the sealing performance of the ball valve and prolong the service life of the ball valve.
5. According to the three-way shunt ball valve, a filling sealing structure is arranged between the part, close to the support, of the valve rod and the inner wall of the vertical through hole, and comprises a filling groove, a filling material pressing sleeve and a filling material pressing plate; the filling sealing structure can prevent the conveyed fluid from leaking between the valve rod and the valve cover or the external fluid from entering the ball valve, so that the purity of the fluid is influenced, and the leakage of the conveyed fluid and the pollution are avoided.
6. According to the three-way shunt ball valve, the valve cover below the packing pressing plate is provided with the threaded holes, the support is pressed on the packing pressing cover, and the support, the packing pressing plate and the valve cover are fixedly connected together through the bolts. The installation can not only fix the bracket, but also protect the packing gland,
7. according to the three-way flow-dividing ball valve, the lower shaft is detachably arranged at the bottom of the valve body, and the second gasket is arranged at the joint of the lower shaft and the valve body, so that the sealing property between the lower shaft and the valve body is improved, and the friction between the lower shaft and the valve body is reduced.
8. According to the three-way flow-dividing ball valve, the C-shaped ball body is an eccentric ball body, the frictional resistance is small, and the opening and closing of the ball valve can be controlled by small torque.
Drawings
To more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
Fig. 1 is a schematic overall structure diagram of a front view of the three-way flow-dividing ball valve of the embodiment.
Fig. 2 is another perspective view of fig. 1.
Fig. 3 is a sectional view of fig. 1.
Fig. 4 is a sectional view of a top view of the three-way ball valve of the present embodiment.
Fig. 5 is an enlarged schematic view of a portion a of fig. 3.
Reference numerals: 1. a valve body; 11. a valve cavity; 12. an upper opening; 13. a fluid inlet; 14. a fluid outlet; 15. a first annular step; 16. a central axis of flow; 2. a valve seat; 21. a valve seat sealing surface; 22. a first annular projection; 3. a C-shaped sphere; 31. a valve ball sealing surface; 4. a lower shaft; 41. a second gasket; 5. a valve cover; 51. a vertical through hole; 52. a first gasket; 53. a packing groove; 54. a filler; 55. pressing and sleeving the filler; 56. a packing press plate; 6. a valve stem; 7. pressing a plate; 71. a second annular projection; 72. a graphite retainer ring; 73. pressing the valve seat; 74. a wave-shaped plate spring; 75. a valve seat sealing ring; 8. and (4) a bracket.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings.
Examples
This embodiment provides a three-way reposition of redundant personnel ball valve, as shown in fig. 1-4, includes: the valve comprises a valve body 1, a valve seat 2, a C-shaped sphere 3, a lower shaft 4, a valve cover 5, a valve rod 6 and a support 8. The valve body 1 is integrally arranged and is provided with a fluid inlet 13 and two valve cavities 11 communicated with the fluid inlet 13, the two valve cavities 11 are respectively provided with a fluid outlet 14, the flow central axes 16 of the two valve cavities 11 form an included angle of 30-75 degrees (as shown in figure 4), the joint of the two valve cavities 11 is communicated with the fluid inlet 13, and upper openings 12 are respectively arranged above the two valve cavities 11; two valve seats 2 are respectively arranged on one side of the two valve cavities 11 close to the fluid inlet 13 and are provided with valve seat sealing surfaces 21; the two C-shaped spheres 3 are respectively and rotatably arranged in the two valve cavities 11 and are provided with valve sphere sealing surfaces 31 which can be tightly connected with the valve seat sealing surfaces 21, grooves are formed in the top end and the bottom end of each C-shaped sphere 3 in the vertical direction, and the C-shaped spheres 3 have a certain distance from the inner wall of the valve cavities 11 on one side of the fluid outlet 14, so that the C-shaped spheres 3 can freely rotate in the valve cavities 11; the two lower shafts 4 penetrate through the bottoms of the valve bodies 1 opposite to the two valve cavities 11 respectively and are connected with grooves at the lower ends of the C-shaped spheres 3, and the C-shaped spheres 3 can rotate relative to the lower shafts 4; the two valve covers 5 are respectively arranged at the positions of the two upper openings 12, the middle parts of the valve covers 5 are provided with vertical through holes 51 for the valve rods 6 to penetrate through, and the positions corresponding to the top ends of the two valve covers 5 are respectively and fixedly provided with a bracket 8; one end of each of the two valve rods 6 respectively penetrates through the two vertical through holes 51 and then is fixedly connected with the grooves at the upper ends of the two C-shaped spheres 3, and the other end of each of the two valve rods 6 vertically penetrates through the support 8 upwards; the filling sealing structures are two and are respectively arranged between the two valve seats 2 and the valve body 1; and two filling and sealing structures are arranged between the parts of the two valve rods 6 close to the support 8 and the inner wall of the vertical through hole 51.
In this embodiment, when fluid needs to be shunted to one side, the support 8 on the side needing to be shunted is rotated to drive the valve rod 6 to rotate to open the C-shaped sphere 3, then the support 8 on the other side is rotated to drive the valve rod 6 on the other side to rotate to close the C-shaped sphere 3 on the other side, and then the fluid can be shunted to one side; when fluid needs to be shunted to two sides, the two supports 8 are respectively rotated to drive the two valve rods 6 to rotate so as to open the two C-shaped spheres 3. The tee bend flow divider of this embodiment is facial make-up structure, takes place to damage when the ball valve, when needing to overhaul, and the ball valve need not whole dismantlement, only need lift the valve gap off from the valve body, takes out after internals, seals the valve body temporarily, acts as the pipeline and uses, then overhauls the internals that take out, no longer need with the pipeline removal or the dismantlement of ball valve both ends fluid entry and fluid outlet position, therefore alleviateed work load, improved work efficiency. The tee bend reposition of redundant personnel ball valve of this embodiment can adjust fluidic circulation direction at any time as required, and convenient and fast has alleviateed worker's work load, and compressive capacity is strong, sealing performance is good, has increased the life of ball valve.
As shown in fig. 5, the valve seat 2 is detachably and fixedly mounted on the valve body 1 through a pressure plate 7; the valve seat 2 is provided with a first annular bulge 22, the valve body 1 is provided with a first annular step 15, and the first annular step 15 is opposite to the first annular bulge 22; the pressure plate 7 is detachably arranged on the valve body 1 and is provided with a second annular bulge 71 corresponding to the first annular step platform 15, and a pressing and installing space for pressing and fixing the first annular bulge 22 is formed between the first annular step platform 15 and the second annular bulge 71; the outer peripheral surface of the pressing plate 7 is provided with an external thread, the inner wall of the valve body 1 opposite to the external thread is provided with an internal thread, and the pressing plate 7 is installed inside the valve body 1 through a thread structure. The three-way shunt ball valve of this embodiment has solved the problem of installation clamp plate 7, fixed valve seat 2 in narrow and small space, and simple to operate, firm, can also avoid clamp plate 7 to excessively protruding to 3 one sides of C type spheroid, influence the sealed contact of the sealed face 21 of disk seat and the sealed face 31 of valve ball.
A first gasket 52 is arranged at the joint of the valve cover 5 and the valve body 1; the valve body 1 is provided with an integrally formed threaded shaft around the upper opening 12; a through hole is formed in the position, opposite to the threaded shaft, of the valve cover 5; the threaded shaft passes through the through hole on the valve cover 5 and then is connected by a nut; the joint of the valve cover 5 and the valve body 1 is higher than the joint of the C-shaped sphere 3 and the valve rod 6 by a certain distance in the vertical direction. The strength of the ball valve is improved, the friction between the valve body 1 and the valve cover 5 is reduced, the scouring of the valve cover 5 and the valve rod 6 at the fluid position is also reduced, and the service life of the ball valve is prolonged.
The elastic sealing structure comprises a graphite retainer ring 72, a valve seat pressing sleeve 73, a wave-shaped plate spring 74 and a valve seat sealing ring 75. The graphite retainer ring 72 is arranged on one side of the fluid inlet 13 and arranged along the circumferential direction in the valve body 1, so that the gap between the valve body 1 and the valve seat pressing sleeve 73 can be reduced; the wave-shaped plate spring 74 has certain elasticity, is arranged on the side wall of the valve body 1 between the valve seat pressing sleeve 73 and the graphite retainer ring 72, can eliminate the size expanded by high-temperature environment materials, avoids clamping the valve seat 2 and the C-shaped sphere 3, and enables the C-shaped sphere 3 to be normally opened and closed; the valve seat pressing sleeve 73 is arranged on the valve seat 2 close to one side of the wave-shaped plate spring 74; the valve seat sealing ring 75 is sleeved on the valve seat 2 and used for reducing the gap between the valve seat 2 and the valve body 1 and between the valve seat pressing sleeve 73; the sealing performance of the ball valve is improved, impurities entering the gap formed by the valve seat pressing sleeve 73, the valve seat 2 and the valve body 1 which are connected with each other are reduced, and the service life of the ball valve is prolonged.
The filling and sealing structure comprises a filling groove 53, a filling 54, a filling pressing sleeve 55 and a filling pressing plate 56. Wherein, the stuffing groove 53 is arranged on the side wall of the vertical through hole 51 facing to one end of the bracket 8; the packing 54 is sleeved on the valve rod 6 and arranged at the bottom of the packing groove 53; the packing pressing sleeve 55 is sleeved on the valve rod 6 and is positioned above the packing 54; the packing pressing plate 56 is sleeved on the valve rod 6, is positioned above the packing pressing sleeve 55 and is fixedly connected with the valve cover 5 through a bolt; the filling and sealing structure prevents the conveyed fluid from leaking to the valve cover 5 and the outside of the ball valve to cause pollution.
The outer edge of the valve cover 5 for fixedly mounting the packing pressing plate 56 is provided with a plurality of threaded holes, and the support 8 is fixedly mounted in the threaded holes through bolts. So mounted, both the bracket 8 and the caulk plate 56 can be secured.
In this embodiment, the lower shaft 4 is detachably mounted at the bottom of the valve body 1, the lower shaft 4 is fixed at the bottom of the valve body 1 through a bolt, and a second gasket 41 is arranged at the joint of the lower shaft 4 and the valve body 1. The sealing performance between the lower shaft 4 and the valve body 1 is improved, and the friction between the lower shaft 4 and the valve body 1 is reduced.
In this embodiment, the C-shaped sphere 3 is an eccentric sphere, and the opening and closing of the C-shaped sphere 3 can be controlled with a small torque.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A three-way diverter ball valve, comprising:
the valve body (1) is integrally arranged and provided with a fluid inlet (13) and two valve cavities (11) communicated with the fluid inlet (13), the two valve cavities (11) are respectively provided with a fluid outlet (14), and the included angles of the flow central axes (16) of the two valve cavities (11) are 30-75 degrees; the joint of the two valve cavities (11) is communicated with a fluid inlet (13), and upper openings (12) are formed above the two valve cavities (11);
the two valve seats (2) are respectively arranged on one side of the two valve cavities (11) close to the fluid inlet (13) and are provided with valve seat sealing surfaces (21);
the C-shaped spheres (3) are respectively and rotatably arranged in the two valve cavities (11) and are provided with valve ball sealing surfaces (31) which can be matched and sealed with the valve seat sealing surfaces (21); in the vertical direction, the top end and the bottom end are both provided with grooves; the C-shaped sphere (3) is away from the inner wall of the valve cavity (11) at one side provided with the fluid outlet (14) by a certain distance;
the two lower shafts (4) respectively penetrate through the bottoms of the valve bodies (1) opposite to the two valve cavities (11) and are rotatably and hermetically mounted, the inserting parts of the two lower shafts are respectively connected with grooves at the bottom ends of the two C-shaped spheres (3), and the C-shaped spheres (3) can rotate relative to the lower shafts (4);
the valve covers (5) are arranged at the positions of the upper openings (12), vertical through holes (51) for the valve rods (6) to penetrate through are formed in the middles of the valve covers (5), and two supports (8) are fixedly arranged at positions corresponding to the top ends of the two valve covers (5) respectively;
one ends of the two valve rods (6) respectively penetrate through the two vertical through holes (51) and then are fixedly connected with the upper ends of the two C-shaped spheres (3), and the other ends of the two valve rods vertically penetrate through the support (8) upwards;
the two elastic sealing structures are respectively arranged between the two valve seats (2) and the valve body (1);
and two filling and sealing structures are arranged between the part, close to the two brackets (8), of the valve rod (6) and the inner wall of the vertical through hole (51).
2. The three-way diverter ball valve of claim 1, wherein: the valve seat (2) is detachably and fixedly arranged on the valve body (1) through a pressing plate (7); the valve seat (2) is provided with a first annular bulge (22), the valve body (1) is provided with a first annular step platform (15), and the first annular step platform (15) is opposite to the first annular bulge (22); the pressure plate (7) is detachably mounted on the valve body (1) and is provided with a second annular bulge (71) corresponding to the first annular step platform (15), and a pressing and mounting space for pressing and fixing the first annular bulge (22) is formed between the first annular step platform (15) and the second annular bulge (71);
the outer peripheral surface of the pressing plate (7) is provided with an external thread, the inner wall of the valve body (1) opposite to the external thread is provided with an internal thread, and the pressing plate (7) is installed inside the valve body (1) through a thread structure.
3. The three-way diverter ball valve of claim 1, wherein: a first gasket (52) is arranged at the joint of the valve cover (5) and the valve body (1); the valve body (1) is provided with an integrally formed threaded shaft around the upper opening (12); a through hole is formed in the position, opposite to the threaded shaft, of the valve cover (5); the threaded shaft passes through the through hole in the valve cover (5) and then is connected with the through hole by a nut.
4. A three-way ball diverter valve according to claim 3, characterized in that the connection between the valve cover (5) and the valve body (1) is at a distance above the connection between the C-shaped ball (3) and the valve stem (6).
5. The three-way diverter ball valve of claim 1, wherein: the elastic sealing structure includes:
the graphite retaining ring (72) is arranged on one side of the fluid inlet (13) and is circumferentially arranged along the inner part of the valve body (1);
the valve seat pressing sleeve (73) is arranged on one side, close to the valve seat (2), of the graphite retainer ring (72);
the wave-shaped plate spring (74) has certain elasticity and is arranged on the side wall of the valve body (1) between the valve seat pressing sleeve (73) and the graphite retainer ring (72);
and the valve seat sealing ring (75) is sleeved on the valve seat (2) and is tightly connected with the valve seat pressing sleeve (73).
6. The three-way diverter ball valve according to claim 1, wherein the filling and sealing structure comprises:
the packing groove (53) is arranged on the inner side wall of one end, facing the bracket (8), of the vertical through hole (51);
the packing (54) is sleeved on the valve rod (6) and is arranged at the bottom of the packing groove (53);
the packing pressing sleeve (55) is sleeved on the valve rod (6) and is positioned above the packing (54);
and the packing pressing plate (56) is sleeved on the valve rod (6), is positioned above the packing pressing sleeve (55), and is fixedly connected with the valve cover (5) through a bolt.
7. The three-way diverter ball valve of claim 6, wherein: and a plurality of threaded holes are formed in the part of the valve cover (5) below the packing pressing plate (56), and the packing pressing plate (56) and the valve cover (5) are fixed together through bolts.
8. The three-way diverter ball valve of claim 1, wherein: the support (8) is arranged above the packing pressing plate (56) and is fixedly connected with the valve cover (5), and the middle of the support is passed through by the top end of the valve rod (6).
9. The three-way diverter ball valve of claim 1, wherein: lower shaft (4) detachably install valve body (1) bottom is fixed lower shaft (4) through the bolt valve body (1) bottom, lower shaft (4) and valve body (1) junction are equipped with second gasket (41).
10. The three-way diverter ball valve of claim 1, wherein: the C-shaped sphere (3) is an eccentric sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122381248.5U CN215721008U (en) | 2021-09-29 | 2021-09-29 | Tee bend reposition of redundant personnel ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122381248.5U CN215721008U (en) | 2021-09-29 | 2021-09-29 | Tee bend reposition of redundant personnel ball valve |
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| CN115031030A (en) * | 2022-06-21 | 2022-09-09 | 安徽斯瑞尔阀门有限公司 | Integrated water storage buffering flow-limiting flow-intercepting combined valve and method thereof |
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| CN115031030A (en) * | 2022-06-21 | 2022-09-09 | 安徽斯瑞尔阀门有限公司 | Integrated water storage buffering flow-limiting flow-intercepting combined valve and method thereof |
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