CN219588163U - Ball valve with three-piece structure - Google Patents
Ball valve with three-piece structure Download PDFInfo
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- CN219588163U CN219588163U CN202321141858.0U CN202321141858U CN219588163U CN 219588163 U CN219588163 U CN 219588163U CN 202321141858 U CN202321141858 U CN 202321141858U CN 219588163 U CN219588163 U CN 219588163U
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- valve rod
- valve core
- core seat
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Abstract
The utility model belongs to the technical field of ball valves, and relates to a ball valve with a three-piece structure, which comprises a valve body, a valve core and a valve rod, wherein the valve core is arranged in a valve cavity of the valve body and controls the communication state of the valve cavity, the valve rod is rotatably arranged on the valve body, the end part of the valve rod is connected with the valve core and drives the valve core to rotate, the valve body comprises a tubular main body, a first side cover and a second side cover, the first side cover and the second side cover are respectively and detachably connected with two ends of the tubular main body in a screwed mode, a valve rod mounting seat for mounting the valve rod is arranged on the tubular main body, a valve rod stop block for limiting the rotation angle of the valve rod is arranged on the upper end face of the valve rod mounting seat, and the valve rod stop block is protruding out of the upper end face of the valve rod mounting seat and is a semicircular ring. The ball valve with the three-piece structure has low processing difficulty and high efficiency, greatly reduces the mounting difficulty of the valve core and also prolongs the service life of the ball valve.
Description
Technical Field
The utility model belongs to the technical field of ball valves, and relates to a ball valve with a three-piece structure.
Background
The ball valve is a common valve with very wide application, generally comprises a valve body, a valve core and a valve rod, and when in use, the valve core is rotated by the valve rod to change the communication state of a valve cavity in the valve body so as to achieve the purpose of controlling a pipeline passage. For mounting the valve element, the valve body is generally structured as follows: the inner diameter of one end of the valve body is smaller than the diameter of the valve core, the inner diameter of the other end of the valve body is larger than the diameter of the valve core, the end cover is screwed at the end with the larger inner diameter of the valve body, the valve core is installed at the end with the larger inner diameter during installation, and then the end cover is screwed and fixed. The ball valve with the structure still has small mounting difficulty of the valve core.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the ball valve with the three-piece structure, which has low processing difficulty and high efficiency, greatly reduces the mounting difficulty of the valve core and also prolongs the service life of the ball valve.
In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme:
the utility model provides a ball valve of three formula structures, includes valve body, case and valve rod, the case sets up in the valve pocket of valve body and the intercommunication state of control valve pocket, the valve rod rotates and sets up on the valve body, and its tip is connected and drive the case and rotate with the case, the valve body includes tubular main body, first side cap and second side cap, first side cap, second side cap detachable spiro union respectively are at tubular main body's both ends, be provided with the valve rod mount pad of installation valve rod in the tubular main body, the up end of valve rod mount pad is provided with the valve rod dog of spacing valve rod rotation angle, the valve rod dog protrusion is in the up end setting of valve rod mount pad, the valve rod dog is the semicircle ring.
In the ball valve with the three-piece structure, the semicircular ring in the utility model refers to an arc-shaped ring with a central angle of 180 degrees.
In the ball valve with the three-piece structure, the first side cover comprises a first valve core seat and a first connecting part, the first valve core seat is in threaded connection with the tubular main body and is provided with a first valve core sealing gasket, and two ends of the first connecting part are respectively connected with the first valve core seat and the first pipe body; the second side cover comprises a second valve core seat and a second connecting part, the second valve core seat is in threaded connection with the tubular main body and is provided with a second valve core sealing gasket, and two ends of the second connecting part are respectively connected with the second valve core seat and the second tubular body.
In the ball valve with the three-piece structure, sealing rings are arranged between the first valve core seat and the tubular main body and between the second valve core seat and the tubular main body.
In the ball valve with the three-piece structure, the outer end surfaces of the first valve core seat and the second valve core seat are flush with the outer end surface of the tubular main body, and two ends of the tubular main body are respectively matched with the first valve core seat and the second valve core seat through the spigot structure.
In the ball valve with the three-piece structure, the outer diameter of the first connecting part is smaller than that of the first valve core seat, the first connecting part is matched with the first valve core seat through the spigot structure, and the peripheral surface of the first connecting part is provided with a polygonal surface; the external diameter of the second connecting part is smaller than that of the second valve core seat, the second connecting part is matched with the second valve core seat through a spigot structure, and a polygonal surface is arranged on the outer peripheral surface of the second connecting part.
In the ball valve with the three-piece structure, the connecting port extends from the outer end of the first connecting portion and the outer end of the second connecting portion, the first pipe body and the second pipe body are fixed on the connecting port, and the fixing mode can be a screw connection mode. Or the first connecting part and the second connecting part are respectively connected with the first pipe body and the second pipe body through flanges.
In the ball valve with the three-piece structure, the section of the valve rod stop block is rectangular, and the valve rod stop block and the valve rod are coaxially arranged and positioned in the middle of the upper end face of the valve rod mounting seat.
In the ball valve with the three-piece structure, the connecting line of the end part of the valve rod stop block is parallel to the axis of the valve body. The end connection line of the utility model refers to the connection line of the end center point of the valve rod stop.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a ball valve with a three-piece structure, which changes the structure of a traditional valve body in the ball valve, adopts a tubular main body with a through pipe structure, and is matched with a first side cover and a second side cover which are detachable, so that the mounting difficulty of a valve core is greatly reduced, the side cover and the valve body are respectively processed in processing and then are assembled, the valve body with the through pipe structure is easy to process, the side cover with the same structure can also improve the processing efficiency, thereby greatly reducing the processing difficulty of the ball valve, being easy to realize automatic processing and greatly improving the efficiency.
2. Traditional ball valve adopts the valve rod baffle point of bump structure to carry out spacingly to the rotation angle of valve rod, because wearing and tearing when using, the valve rod rotates very easily crossing the valve rod baffle point for the ball valve damages the inefficacy. The utility model improves the valve rod stopper into a semicircular valve rod stopper, and can prevent the valve rod stopper from limiting failure, thereby greatly prolonging the service life of the ball valve.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an axial cross-sectional view of the present utility model;
reference numerals: 1. a tubular body; 2. a first side cover; 21. a first valve core seat; 22. a first connection portion; 23. a first valve core sealing gasket; 3. a second side cover; 31. a second valve core seat; 32. a second connecting portion; 33. a second valve core sealing gasket; 4. a valve rod mounting seat; 41. a valve stem stop; 5. a first tube body; 6. and a second pipe body.
Detailed Description
The utility model is further described in the following embodiments with reference to the figures, see fig. 1-2:
the utility model provides a ball valve of three formula structures, includes valve body, case and valve rod, the case sets up in the valve pocket of valve body and the intercommunication state of control valve pocket, the valve rod rotates and sets up on the valve body, and its tip is connected with the case and drive the case and rotate, the valve body includes tubular main body 1, first side cap 2 and second side cap 3, first side cap 2, second side cap 3 detachable spiro union respectively is at tubular main body 1's both ends, be provided with the valve rod mount pad 4 of installation valve rod on the tubular main body 1, the up end of valve rod mount pad 4 is provided with limit valve rod rotation angle's valve rod dog 41, valve rod dog 41 protrusion is in the up end setting of valve rod mount pad 4, valve rod dog 41 is the semicircle ring.
During production, the tubular main body 1 with the valve rod mounting seat 4, the first side cover 2, the second side cover 3, the valve rod and the valve core are produced respectively, the valve core is arranged in the valve cavity of the tubular main body 1, the first side cover 2 and the second side cover 3 are connected with the tubular main body 1 and fix the valve core, the valve rod passes through the valve body mounting seat and is simultaneously connected with the valve core, the valve rod is rotated in the range between the two end surfaces of the valve rod stop block 41, the valve core rotates along with the valve rod, the direction of a through hole in the valve core is changed, and then the communication state of the valve cavity is changed.
In the present embodiment, the specific structure of the first side cover 2 and the second side cover 3 is: the first side cover 2 comprises a first valve core seat 21 and a first connecting part 22, the first valve core seat 21 is in threaded connection with the tubular main body 1 and is provided with a first valve core sealing gasket 23, and two ends of the first connecting part 22 are respectively connected with the first valve core seat 21 and the first tubular body 5; the second side cover 3 comprises a second valve core seat 31 and a second connecting portion 32, the second valve core seat 31 is in threaded connection with the tubular main body 1 and is provided with a second valve core sealing gasket 33, and two ends of the second connecting portion 32 are respectively connected with the second valve core seat 31 and the second tubular body 6. After installation, the valve core rotates between the first valve core seat 21 and the second valve core seat 31, and when the valve core intercepts the valve cavity, the valve core is respectively connected with the first valve core seat 21 and the second valve core seat 31 in a sealing way.
In order to further improve the sealing performance of the valve body, sealing rings are arranged between the first valve core seat 21 and the tubular main body 1 and between the second valve core seat 31 and the tubular main body 1.
In order to enable the side cover to be matched with the tubular main body 1 better, the outer end faces of the first valve core seat 21 and the second valve core seat 31 are flush with the outer end face of the tubular main body 1, and two ends of the tubular main body 1 are matched with the first valve core seat 21 and the second valve core seat 31 through spigot structures respectively.
Further, the outer diameter of the first connecting portion 22 is smaller than that of the first valve core seat 21, the first connecting portion 22 is matched with the first valve core seat 21 through a spigot structure, and a polygonal surface is arranged on the outer peripheral surface of the first connecting portion 22; the outer diameter of the second connecting portion 32 is smaller than that of the second valve core seat 31, the second connecting portion 32 is matched with the second valve core seat 31 through a spigot structure, and a polygonal surface is arranged on the outer peripheral surface of the second connecting portion 32. The polygon surface is matched with the dismounting tool, so that the mounting is convenient.
In the present embodiment, the connection structure of the first pipe body 5 and the second pipe body 6 is: the outer ends of the first connecting portion 22 and the second connecting portion 32 extend out of the connecting port, and the first pipe body 5 and the second pipe body 6 are fixed on the connecting port in a screwing manner. Alternatively, the first connecting portion 22 and the second connecting portion 32 are respectively connected to the first pipe body 5 and the second pipe body 6 by flanges.
Preferably, the section of the valve rod stop block 41 is rectangular, and the valve rod stop block 41 and the valve rod are coaxially arranged and positioned in the middle of the upper end surface of the valve rod mounting seat 4.
Preferably, the end connection of the stem stop 41 is parallel to the axis of the valve body. The end connection line of the present utility model means a connection line of the end center point of the stem block 41.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides a ball valve of three piece type structures, includes valve body, case and valve rod, the case sets up in the valve pocket of valve body and the intercommunication state of control valve pocket, the valve rod rotates and sets up on the valve body, and its tip is connected and drive the case and rotate with the case, a serial communication port, the valve body includes tubular main body (1), first side cap (2) and second side cap (3), first side cap (2), second side cap (3) detachable spiro union respectively is at the both ends of tubular main body (1), be provided with valve rod mount pad (4) of installation valve rod on tubular main body (1), the up end of valve rod mount pad (4) is provided with valve rod dog (41) of spacing valve rod rotation angle, valve rod dog (41) protrusion is in the up end setting of valve rod mount pad (4), valve rod dog (41) are half ring.
2. The three-piece ball valve according to claim 1, wherein the first side cover (2) comprises a first valve core seat (21) and a first connecting portion (22), the first valve core seat (21) is in threaded connection with the tubular main body (1) and is provided with a first valve core sealing gasket (23), and two ends of the first connecting portion (22) are respectively connected with the first valve core seat (21) and the first tubular body (5); the second side cover (3) comprises a second valve core seat (31) and a second connecting part (32), the second valve core seat (31) is in threaded connection with the tubular main body (1) and is provided with a second valve core sealing gasket (33), and two ends of the second connecting part (32) are respectively connected with the second valve core seat (31) and the second pipe body (6).
3. The three-piece ball valve according to claim 2, wherein the outer end surfaces of the first valve core seat (21) and the second valve core seat (31) are flush with the outer end surface of the tubular main body (1), and two ends of the tubular main body (1) are respectively matched with the first valve core seat (21) and the second valve core seat (31) through spigot structures.
4. The three-piece ball valve according to claim 2, wherein the outer diameter of the first connecting portion (22) is smaller than that of the first valve core seat (21), the first connecting portion (22) is matched with the first valve core seat (21) through a spigot structure, and a polygonal surface is arranged on the outer peripheral surface of the first connecting portion (22); the external diameter of second connecting portion (32) is less than second valve core seat (31), second connecting portion (32) and second valve core seat (31) pass through tang structure cooperation, be provided with the polygon on the outer peripheral face of second connecting portion (32).
5. The three-piece ball valve according to claim 1, wherein the valve rod stop (41) has a rectangular cross section, and the valve rod stop (41) is coaxially arranged with the valve rod and is positioned in the middle of the upper end surface of the valve rod mounting seat (4).
6. A three-piece ball valve according to claim 5, characterized in that the end connection of the stem stop (41) is parallel to the axis of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141858.0U CN219588163U (en) | 2023-05-09 | 2023-05-09 | Ball valve with three-piece structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141858.0U CN219588163U (en) | 2023-05-09 | 2023-05-09 | Ball valve with three-piece structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219588163U true CN219588163U (en) | 2023-08-25 |
Family
ID=87689745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321141858.0U Active CN219588163U (en) | 2023-05-09 | 2023-05-09 | Ball valve with three-piece structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219588163U (en) |
-
2023
- 2023-05-09 CN CN202321141858.0U patent/CN219588163U/en active Active
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