CN217081508U - Three-piece ball valve - Google Patents
Three-piece ball valve Download PDFInfo
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- CN217081508U CN217081508U CN202220875534.9U CN202220875534U CN217081508U CN 217081508 U CN217081508 U CN 217081508U CN 202220875534 U CN202220875534 U CN 202220875534U CN 217081508 U CN217081508 U CN 217081508U
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Abstract
The utility model discloses a three-piece ball valve, which comprises a valve body, wherein the left side and the right side of the valve body are provided with the same first through hole, the top of the valve body is provided with a second through hole communicated with the first through hole, a ball body is arranged inside the first through hole, the front side and the rear side of the ball body are provided with the same conveying channel, the left side and the right side of the ball body are both matched with a transverse sealing mechanism, the outer side of the transverse sealing mechanism is tightly contacted with the inner side wall of the first through hole, the left side and the right side of the valve body are both provided with a valve cover with a conveying hole at the left side, the balance mechanism of the design can play a role of positioning balance in the rotating process of a valve core, a valve core spring and a steel ball play a role of self-adjusting central point, 4 unidirectional V-shaped seals are arranged to be downwards sealed, the internal pressure of the valve body is higher, the V-shaped seal is more opened, the seal effect is better, simultaneously, the seal cover under the case, valve body internal pressure is big more, and the case compresses tightly the case more and seals down, and it is also good to play big sealed effect of pressure to improve the life of ball valve, can satisfy the user demand.
Description
Technical Field
The utility model relates to a three-piece type ball valve technical field especially relates to a three-piece type ball valve.
Background
The three-piece ball valve and gate valve are both of the same type, except that the closing member is a sphere which rotates around the central line of the valve body to open and close. Ball valves are used in pipelines primarily to shut off, distribute and change the direction of flow of media. Three-piece ball valves are a new type of valve that is widely used.
The existing three-piece ball valve cannot position and balance the valve core of the existing three-piece ball valve, so that the valve core and a ball body deviate, the service life of the ball valve is shortened, the use requirement cannot be met, and therefore the three-piece ball valve is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a three-piece ball valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-piece ball valve comprises a valve body, wherein the left side and the right side of the valve body are provided with the same first through hole, the top of the valve body is provided with a second through hole communicated with the first through hole, a ball body is arranged inside the first through hole, the front side and the rear side of the ball body are provided with the same water delivery channel, the left side and the right side of the ball body are both matched with a transverse sealing mechanism, the outer side of the transverse sealing mechanism is tightly contacted with the inner side wall of the first through hole, the left side and the right side of the valve body are both provided with a valve cover with a water delivery hole on the left side, the inner side wall of the second through hole is rotatably provided with a valve core, the bottom of the outer side of the valve core is of a rectangular structure, the top of the ball body is provided with a rectangular clamping groove, the rectangular structure is clamped inside the rectangular clamping groove, the front side of the rectangular structure is provided with a groove, and the inside of the groove is provided with a balancing mechanism, the outer side wall of the valve core is sleeved with a longitudinal sealing mechanism, the top of the outer side of the valve core is sleeved with a valve core locking nut, and the outer side wall of the valve core locking nut and the inner side wall of the second through hole are fixedly installed in a threaded mode.
As further preferable in the present technical solution: the transverse sealing mechanism comprises a ball sealing ring and a valve cover sealing ring which are designed to be thinned and made of rubber materials, the outer side of the ball sealing ring is fixedly bonded on the inner side wall of the first through hole, the ball sealing ring is in close contact with the outer side wall of the ball body, the valve cover sealing ring is fixedly sleeved on the inner side of the first through hole, the valve cover sealing ring is in close contact with the outer side of the corresponding ball sealing ring, and one side, far away from the corresponding ball sealing ring, of the valve cover sealing ring is in close contact with the valve cover.
As further preferable in the present technical solution: the balance mechanism comprises a spring in a compression state and a balance steel ball, the rear end of the spring is fixedly connected to the inner wall of the rear side of the groove, the rear side of the balance steel ball is in close contact with the front end of the spring, and the balance steel ball is in sliding contact with the inner side wall of the second through hole.
As further preferable in the present technical solution: the vertical sealing mechanism comprises a valve core sealing ring, a valve core lower sealing sleeve, four layers of V-shaped one-way sealing sleeves, a pressing ring and a sealing tensioning piece in a compression state, wherein the valve core sealing ring is slidably sleeved on the lower portion of the outer side of the valve core, the valve core lower sealing sleeve, the four layers of V-shaped one-way sealing sleeves, the pressing ring and the sealing tensioning piece are slidably sleeved on the upper portion of the valve core, and the outer sides of the valve core lower sealing sleeve, the four layers of V-shaped one-way sealing sleeves, the pressing ring and the sealing tensioning piece are in close contact with the inner side of the second through hole.
As further preferable in the present technical solution: four layers of V type one-way seal cover fixed connection are in the top of seal cover under the case, clamping ring fixed connection is in the top of four layers of V type one-way seal cover, sealed tight piece fixed connection that rises is in the top of clamping ring, the top of clamping ring and the female bottom sliding contact of case lock.
As further preferable in the present technical solution: two the left side four corners of valve gap has all been seted up the perforation, controls two relative fenestrate internally mounted and has same screw rod, and the outside screw thread cover of screw rod is equipped with the nut, the left side of nut and the right side wall in close contact with of the valve gap that is located the right side.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a balance mechanism can play the positioning balance effect at the rotation in-process of case, and the central point that the rectangle draw-in groove that makes the rectangle structure of case bottom and spheroid top set up was in all the time puts to improve the life of ball valve, can satisfy the user demand.
Drawings
Fig. 1 is an exploded view of a three-piece ball valve according to the present invention;
FIG. 2 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention;
fig. 3 is a structural cross-sectional view of a three-piece ball valve as seen from the right side.
In the figure: 1. a valve body; 2. a sphere; 3. a transverse sealing mechanism; 31. a ball seal ring; 32. a valve cover sealing ring; 4. a valve cover; 5. a valve core; 51. a rectangular structure; 6. a rectangular clamping groove; 7. a balancing mechanism; 71. a spring; 72. balancing the steel balls; 8. a longitudinal sealing mechanism; 81. a valve core sealing ring; 82. a lower valve core sealing sleeve; 83. four layers of V-shaped one-way sealing sleeves; 84. pressing a ring; 85. sealing the tensioning sheet; 9. the valve core is locked female.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a three-piece ball valve comprises a valve body 1, wherein the left side and the right side of the valve body 1 are provided with the same first through hole, the top of the valve body 1 is provided with a second through hole communicated with the first through hole, a ball body 2 is arranged inside the first through hole, the front side and the rear side of the ball body 2 are provided with the same water delivery channel, the left side and the right side of the ball body 2 are both matched with a transverse sealing mechanism 3, the outer side of the transverse sealing mechanism 3 is tightly contacted with the inner side wall of the first through hole, and the left side and the right side of the valve body 1 are both provided with a valve cover 4 with a water delivery hole on the left side;
the transverse sealing mechanism 3 comprises a ball sealing ring 31 and a bonnet sealing ring 32 which are designed to be thin and made of rubber materials, the outer side of the ball sealing ring 31 is fixedly bonded on the inner side wall of the first through hole, the ball sealing ring 31 is in close contact with the outer side wall of the ball 2, the bonnet sealing ring 32 is fixedly sleeved on the inner side of the first through hole, the bonnet sealing ring 32 is in close contact with the outer side of the corresponding ball sealing ring 31, one side of the bonnet sealing ring 32, far away from the corresponding ball sealing ring 31, is in close contact with the bonnet 4, the left four corners of the two bonnets 4 are provided with through holes, the same screw rod is arranged in the two through holes opposite to each other in the left and right directions, the outer side of the screw rod is in threaded sleeve connection with a nut, the left side of the nut is in close contact with the right side wall of the bonnet 4 positioned on the right side, the front side and the rear side of the top of the valve body 1 are respectively and fixedly provided with a fixing sleeve, and the two fixing sleeves are respectively in sliding sleeve connection with the two screw rods above;
the valve core 5 is rotatably mounted on the inner side wall of the second through hole, the bottom of the outer side of the valve core 5 is a rectangular structure 51, the top of the ball body 2 is provided with a rectangular clamping groove 6, the rectangular structure 51 is clamped inside the rectangular clamping groove 6, the front side of the rectangular structure 51 is provided with a groove, a balance mechanism 7 is mounted inside the groove, the balance mechanism 7 comprises a spring 71 and a balance steel ball 72 which are in a compression state, the rear end of the spring 71 is fixedly connected to the inner wall of the rear side of the groove, the rear side of the balance steel ball 72 is tightly contacted with the front end of the spring 71, and the balance steel ball 72 is in sliding contact with the inner side wall of the second through hole;
the outer side wall of the valve core 5 is sleeved with a longitudinal sealing mechanism 8, the top of the outer side of the valve core 5 is sleeved with a valve core lock nut 9, the outer side wall of the valve core lock nut 9 is fixedly installed with the inner side wall thread of the second through hole, the longitudinal sealing mechanism 8 comprises a valve core sealing ring 81, a valve core lower sealing sleeve 82, four layers of V-shaped one-way sealing sleeves 83, a pressing ring 84 and a sealing tension sheet 85 in a compression state, the valve core sealing ring 81 is slidably sleeved on the lower part of the outer side of the valve core 5, the valve core lower sealing sleeve 82, four layers of V-shaped one-way sealing sleeves 83, the pressing ring 84 and the sealing tension sheet 85 are slidably sleeved on the upper part of the valve core 5, the outer sides of the valve core lower sealing sleeve 82, four layers of V-shaped one-way sealing sleeves 83, the pressing ring 84 and the sealing tension sheet 85 are tightly contacted with the inner side of the second through hole, the four layers of V-shaped one-way sealing sleeves 83 are fixedly connected on the top of the valve core lower sealing sleeve 82, the pressing ring 84 is fixedly connected on the top of the four layers of V-shaped one-way sealing sleeves 83, sealed tight piece 85 fixed connection that rises in the top of clamping ring 84, the bottom sliding contact of the top of clamping ring 84 and the female 9 of case lock, the utility model provides a balance mechanism 7 can play the positioning balance effect at the rotation in-process of case 5, and the central point that makes the rectangle structure 51 of case 5 bottom and the rectangle draw-in groove 6 that spheroid 2 tops were seted up puts all the time to improve the life of ball valve, can satisfy the user demand.
The working principle is as follows: when the valve needs to be closed, a worker rotates the valve core 5, the valve core 5 drives the spring 71 and the balance steel ball 72 to rotate, the valve core 5 can also drive the ball body 2 to rotate through the rectangular structure 51 arranged at the bottom of the valve core 5, so that a water delivery channel formed in the ball body 2 is rotated away from openings of the ball body sealing ring 31 and the valve cover sealing ring 32, the purpose of closing the valve is achieved, and the thinning design of the ball body sealing ring 31 is that when the ball body 2 rotates, the position is automatically deformed by extrusion force generated when the ball body 2 rotates, and the tight contact with the ball body 2 is kept to play a role in sealing;
when a valve needs to be opened, a worker rotates the valve core 5, the valve core 5 drives the spring 71 and the balance steel ball 72 to rotate, the valve core 5 can also drive the ball body 2 to rotate through the rectangular structure 51 arranged at the bottom of the valve core 5, so that a water delivery channel formed in the ball body 2 is positioned at the same horizontal position with the openings of the ball body sealing ring 31 and the valve cover sealing ring 32 again, the purpose of opening the valve is achieved, and the thinning design of the ball body sealing ring 31 is that when the ball body 2 rotates, the position is automatically deformed by extrusion force generated when the ball body 2 rotates, so that the ball body 2 is kept to be tightly attached to play a role in sealing;
in the rotating process of the valve core 5, the balance steel ball 72 and the spring 71 under the compression state are combined, and the positioning balance effect can be achieved in the rotating process of the valve core 5, so that the rectangular structure 51 at the bottom of the valve core 5 and the rectangular clamping groove 6 formed in the top of the ball body 2 are always in the central position, the service life of the ball valve is prolonged, and the use requirements can be met.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A three-piece ball valve comprises a valve body (1), wherein the left side and the right side of the valve body (1) are provided with a same first through hole, the top of the valve body (1) is provided with a second through hole communicated with the first through hole, the three-piece ball valve is characterized in that a ball body (2) is arranged inside the first through hole, the front side and the rear side of the ball body (2) are provided with a same water delivery channel, the left side and the right side of the ball body (2) are both matched with a transverse sealing mechanism (3), the outer side of the transverse sealing mechanism (3) is tightly contacted with the inner side wall of the first through hole, the left side and the right side of the valve body (1) are both provided with a valve cover (4) with a water delivery hole on the left side, the inner side wall of the second through hole is rotatably provided with a valve core (5), the bottom of the outer side of the valve core (5) is of a rectangular structure (51), the top of the ball body (2) is provided with a rectangular clamping groove (6), the improved structure is characterized in that the rectangular structure (51) is clamped inside the rectangular clamping groove (6), a groove is formed in the front side of the rectangular structure (51), a balance mechanism (7) is arranged inside the groove, a longitudinal sealing mechanism (8) is sleeved on the outer side wall of the valve core (5), a valve core locking nut (9) is sleeved on the top of the outer side of the valve core (5), and the outer side wall of the valve core locking nut (9) and the inner side wall of the second through hole are fixedly installed in a threaded mode.
2. A three-piece ball valve according to claim 1, wherein the transverse sealing mechanism (3) comprises a ball sealing ring (31) and a bonnet sealing ring (32) which are designed to be thinned and made of rubber, the outer side of the ball sealing ring (31) is fixedly bonded to the inner side wall of the first through hole, the ball sealing ring (31) is in close contact with the outer side wall of the ball (2), the bonnet sealing ring (32) is fixedly sleeved on the inner side of the first through hole, the bonnet sealing ring (32) is in close contact with the outer side of the corresponding ball sealing ring (31), and one side of the bonnet sealing ring (32) away from the corresponding ball sealing ring (31) is in close contact with the bonnet (4).
3. A three-piece ball valve according to claim 1, wherein the balancing mechanism (7) comprises a spring (71) and a balancing ball (72) in a compressed state, the rear end of the spring (71) is fixedly connected to the inner wall of the rear side of the recess, the rear side of the balancing ball (72) is in close contact with the front end of the spring (71), and the balancing ball (72) is in sliding contact with the inner side wall of the second through hole.
4. The three-piece ball valve according to claim 1, wherein the longitudinal sealing mechanism (8) comprises a valve core sealing ring (81), a valve core lower sealing sleeve (82), four layers of V-shaped one-way sealing sleeves (83), a pressing ring (84) and a sealing tension sheet (85) in a compression state, the valve core sealing ring (81) is slidably sleeved on the lower portion of the outer side of the valve core (5), the valve core lower sealing sleeve (82), the four layers of V-shaped one-way sealing sleeves (83), the pressing ring (84) and the sealing tension sheet (85) are slidably sleeved on the upper portion of the valve core (5), and the outer sides of the valve core lower sealing sleeve (82), the four layers of V-shaped one-way sealing sleeves (83), the pressing ring (84) and the sealing tension sheet (85) are in close contact with the inner side of the second through hole.
5. The three-piece ball valve according to claim 4, wherein the four layers of V-shaped one-way sealing sleeves (83) are fixedly connected to the top of the lower valve element sealing sleeve (82), the pressing ring (84) is fixedly connected to the top of the four layers of V-shaped one-way sealing sleeves (83), the sealing tension sheet (85) is fixedly connected to the top of the pressing ring (84), and the top of the pressing ring (84) is in sliding contact with the bottom of the valve element locking nut (9).
6. The three-piece ball valve according to claim 1, wherein the four left corners of the two valve covers (4) are provided with through holes, the two opposite left and right through holes are internally provided with the same screw, the outer thread of the screw is sleeved with a nut, and the left side of the nut is in close contact with the right side wall of the valve cover (4) on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220875534.9U CN217081508U (en) | 2022-04-13 | 2022-04-13 | Three-piece ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220875534.9U CN217081508U (en) | 2022-04-13 | 2022-04-13 | Three-piece ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081508U true CN217081508U (en) | 2022-07-29 |
Family
ID=82499839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220875534.9U Active CN217081508U (en) | 2022-04-13 | 2022-04-13 | Three-piece ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081508U (en) |
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2022
- 2022-04-13 CN CN202220875534.9U patent/CN217081508U/en active Active
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