CN211738094U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN211738094U CN211738094U CN202020140183.8U CN202020140183U CN211738094U CN 211738094 U CN211738094 U CN 211738094U CN 202020140183 U CN202020140183 U CN 202020140183U CN 211738094 U CN211738094 U CN 211738094U
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- valve
- valve body
- valve rod
- ball
- sleeved
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Abstract
The utility model discloses a ball valve, which comprises a valve body internally provided with a valve core ball, wherein a valve rod which extends into the valve body and is connected with the valve core ball in a clamping way is arranged on the side surface of the valve body, a clamping sleeve with a clamping block is sleeved on the valve rod, a gasket sleeved on the valve rod is arranged on the clamping sleeve, a handle is sleeved on the valve rod above the gasket, and the handle, the gasket and the clamping sleeve are pressed and fixed with the valve body through a compression nut; a second annular groove is formed in the side face of the valve body in a manner of surrounding the valve rod, a sealing ring sleeved on the valve rod is arranged in the second annular groove, the clamping sleeve is tightly pressed and connected with the sealing ring, the sealing performance between the valve body and the valve rod is improved by the sealing ring, and fluid media are prevented from leaking from the valve rod better; the bottom of cutting ferrule is provided with the locating piece, sets up the constant head tank that links to each other with locating piece phase-match and joint on the valve body, and the design of locating piece and constant head tank makes the cutting ferrule mounted position more accurate.
Description
The technical field is as follows:
the utility model relates to a ball valve.
Background art:
the ball valve is a valve with the opening and closing part being a valve core ball which is driven by a valve rod and rotates around the axis of the valve rod. The valve core ball is provided with a channel for the medium to flow through, and the medium flows through the channel of the valve core ball. Because the valve rod poling valve body inside and outside both sides need drive the case ball moreover and rotate, consequently the leakproofness between valve rod and the valve body is not very high in current ball valve, and the condition of medium from valve rod seepage can appear after long-time the use in the ball valve.
The invention content is as follows:
the utility model aims at solving the problem in the prior art, providing a simple structure, sealed effectual, difficult seepage that appears, produce convenient ball valve moreover.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a ball valve comprises a valve body internally provided with a valve core ball, wherein a valve rod extending into the valve body and connected with the valve core ball in a clamping manner is arranged on the side surface of the valve body, a clamping sleeve with a clamping block is sleeved on the valve rod, a first annular groove is formed in the clamping sleeve and surrounds the valve rod, a gasket sleeved on the valve rod is arranged in the first annular groove, a handle is sleeved on the valve rod above the gasket and connected with the valve rod in a clamping manner, a compression nut is screwed on the valve rod above the handle, and the handle, the gasket and the clamping sleeve are compressed and fixed with the valve body through the compression nut; and a second annular groove is formed in the side face of the valve body in a manner of surrounding the valve rod, a sealing ring sleeved on the valve rod is arranged in the second annular groove, and the clamping sleeve is tightly pressed and connected with the sealing ring.
The valve body is provided with a first joint and a second joint, the first joint and the valve body are integrally formed, and the second joint is in threaded connection with the valve body; the valve core ball is characterized in that a first fixing sleeve and a second fixing sleeve are symmetrically arranged on two sides of the valve core ball, the first fixing sleeve and the second fixing sleeve are fixedly pressed with the valve core ball, the first fixing sleeve is fixedly connected with the inner wall of the valve body, and the second fixing sleeve is fixedly connected with one end of the second joint extending into the valve body.
The bottom of cutting ferrule is provided with the locating piece, set up the constant head tank that links to each other with locating piece phase-match and joint on the valve body.
And limiting blocks positioned on two sides of the clamping block are arranged on the handle.
And a chromium coating is arranged on the surface of the valve body.
And a titanium-plated gold layer is arranged on the surface of the valve body.
The utility model has the advantages that: the utility model discloses a ball valve, including the valve body of internally mounted valve core ball, install the valve rod that stretches into the valve body and links to each other with the valve core ball joint on the side of valve body, the cover is equipped with the cutting ferrule that has the fixture block on the valve rod, is provided with the packing ring of suit on the cutting ferrule on the valve rod, and the cover is equipped with the handle on the valve rod above the packing ring, and handle, packing ring and cutting ferrule compress tightly fixedly with the valve body through gland nut, and overall structure is simple, and installation and dismantlement are convenient; a second annular groove is formed in the side face of the valve body in a manner of surrounding the valve rod, a sealing ring sleeved on the valve rod is arranged in the second annular groove, the clamping sleeve is tightly pressed and connected with the sealing ring, the sealing performance between the valve body and the valve rod is improved by the sealing ring, and fluid media are prevented from leaking from the valve rod better; the bottom of cutting ferrule is provided with the locating piece, sets up the constant head tank that links to each other with locating piece phase-match and joint on the valve body, and the design of locating piece and constant head tank makes the cutting ferrule mounted position more accurate.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
The specific implementation mode is as follows:
in order that those skilled in the art will better understand the inventive arrangements, further details of the invention are provided below with reference to the accompanying drawings and embodiments.
The ball valve shown in fig. 1-3 comprises a valve body 2 internally provided with a valve core ball 1, a valve rod 3 which extends into the valve body 2 and is connected with the valve core ball 1 in a clamping manner is arranged on the side surface of the valve body 2, a clamping sleeve 4 with a clamping block 46 is sleeved on the valve rod 3, a first annular groove 41 is formed in the clamping sleeve 4 and surrounds the valve rod 3, a gasket 42 sleeved on the valve rod 3 is arranged in the first annular groove 41, and the gasket 42 can be made of polytetrafluoroethylene gaskets and has the advantages of corrosion resistance, ageing resistance, non-conduction and the like. The handle 5 is sleeved on the valve rod 3 above the gasket 42, the handle 5 is connected with the valve rod 3 in a clamping mode, and the handle 5 can drive the valve rod 3 to rotate together when rotating. And a compression nut 6 is screwed on the valve rod 3 above the handle 5, and the handle 5, the gasket 42 and the clamping sleeve 4 are compressed and fixed with the valve body 2 through the compression nut 6. Be provided with the stopper 55 that is located fixture block 46 both sides on the handle 5, the ball valve is in the state of closing completely and opening completely respectively when 2 stopper 55 and fixture block 46 contact, makes to control the ball valve more convenient. The bottom of cutting ferrule 4 is provided with locating piece 48, set up on the valve body 2 with locating piece 48 phase-match and the continuous constant head tank 49 of joint, the quick location installation of cutting ferrule 4 is convenient for to the design of locating piece 48 and constant head tank 49, makes the mounted position of cutting ferrule 4 can not appear the deviation.
And a second annular groove 44 is formed in the side surface of the valve body 2 and surrounds the valve rod 3, a sealing ring 7 sleeved on the valve rod 3 is arranged in the second annular groove 44, the clamping sleeve 4 is tightly pressed and connected with the sealing ring 7, and the sealing ring 7 improves the sealing performance of the ball valve, so that a fluid medium in the ball valve is not easy to leak. The valve body 2 is provided with a first joint 21 and a second joint 22, the first joint 21 and the valve body 2 are integrally formed, and the second joint 22 is in threaded connection with the valve body 2. The valve core ball 1 both sides symmetry is provided with the fixed cover 81 of first fixed cover 8 and second, the fixed cover 81 of first fixed cover 8 and second all compresses tightly fixedly with valve core ball 1, the fixed wall of first fixed cover 8 and valve body 2 is fixed continuous, the fixed cover 81 of second links to each other with the one end fixed phase that second joint 22 stretched into in the valve body 2. The detachable construction that the second connects 22 makes the production installation of ball valve more convenient, and the fixed cover of inside first 8 and the fixed cover 81 of second can adopt the polytetrafluoroethylene material, and is corrosion-resistant, ageing resistance, and moreover and the leakproofness between the case ball 1 are good. Preferably, the chromium coating 9 is arranged on the surface of the valve body 2, the chromium coating 9 has high hardness and good chemical stability, and does not act in alkali, sulfide, nitric acid and most organic acids. As another preferable scheme, the surface of the valve body 2 is provided with the titanium-plated gold layer 91, and the titanium-plated gold layer 91 has stable chemical properties and excellent biocompatibility, is tough, corrosion-resistant, silvery and bright, and cannot turn black, so that the service life of the ball valve is longer.
The ball valve comprises a valve body internally provided with a valve core ball, a valve rod extending into the valve body and connected with the valve core ball in a clamping manner is arranged on the side surface of the valve body, a clamping sleeve with a clamping block is sleeved on the valve rod, a gasket sleeved on the valve rod is arranged on the clamping sleeve, a handle is sleeved on the valve rod above the gasket, and the handle, the gasket and the clamping sleeve are fixedly pressed with the valve body through a compression nut; a second annular groove is formed in the side face of the valve body in a manner of surrounding the valve rod, a sealing ring sleeved on the valve rod is arranged in the second annular groove, the clamping sleeve is tightly pressed and connected with the sealing ring, the sealing performance between the valve body and the valve rod is improved by the sealing ring, and fluid media are prevented from leaking from the valve rod better; the bottom of cutting ferrule is provided with the locating piece, sets up the constant head tank that links to each other with locating piece phase-match and joint on the valve body, and the design of locating piece and constant head tank makes the cutting ferrule mounted position more accurate.
Claims (6)
1. A ball valve, characterized in that: comprises a valve body (2) internally provided with a valve core ball (1), a valve rod (3) which extends into the valve body (2) and is connected with the valve core ball (1) in a clamping way is arranged on the side surface of the valve body (2), a cutting sleeve (4) with a clamping block (46) is sleeved on the valve rod (3), a first annular groove (41) is arranged on the cutting sleeve (4) and surrounds the valve rod (3), a gasket (42) sleeved on the valve rod (3) is arranged in the first annular groove (41), a handle (5) is sleeved on the valve rod (3) above the gasket (42), the handle (5) is connected with the valve rod (3) in a clamping way, a compression nut (6) is screwed on the valve rod (3) above the handle (5), the handle (5), the gasket (42) and the clamping sleeve (4) are pressed and fixed with the valve body (2) through the compression nut (6); a second annular groove (44) is formed in the side face of the valve body (2) in a surrounding mode of the valve rod (3), a sealing ring (7) sleeved on the valve rod (3) is arranged in the second annular groove (44), and the clamping sleeve (4) is connected with the sealing ring (7) in a pressing mode.
2. A ball valve according to claim 1, wherein: the valve body (2) is provided with a first joint (21) and a second joint (22), the first joint (21) and the valve body (2) are integrally formed, and the second joint (22) is in threaded connection with the valve body (2); valve core ball (1) both sides symmetry is provided with the fixed cover of first fixed cover (8) and second (81), the fixed cover of first fixed cover (8) and second (81) all compress tightly fixedly with valve core ball (1), the fixed wall of first fixed cover (8) and valve body (2) is fixed continuous, the fixed cover of second (81) and second joint (22) stretch into the fixed continuous of one end in valve body (2).
3. A ball valve according to claim 1, wherein: the bottom of cutting ferrule (4) is provided with locating piece (48), set up constant head tank (49) that link to each other with locating piece (48) phase-match and joint on valve body (2).
4. A ball valve according to claim 1, wherein: and the handle (5) is provided with limiting blocks (55) positioned at two sides of the clamping block (46).
5. A ball valve according to claim 1, wherein: and a chromium coating (9) is arranged on the surface of the valve body (2).
6. A ball valve according to claim 1, wherein: and a titanium-plated gold layer (91) is arranged on the surface of the valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140183.8U CN211738094U (en) | 2020-01-22 | 2020-01-22 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140183.8U CN211738094U (en) | 2020-01-22 | 2020-01-22 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211738094U true CN211738094U (en) | 2020-10-23 |
Family
ID=72878824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140183.8U Active CN211738094U (en) | 2020-01-22 | 2020-01-22 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211738094U (en) |
-
2020
- 2020-01-22 CN CN202020140183.8U patent/CN211738094U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |