CN221300176U - Floating ball valve - Google Patents
Floating ball valve Download PDFInfo
- Publication number
- CN221300176U CN221300176U CN202323191942.6U CN202323191942U CN221300176U CN 221300176 U CN221300176 U CN 221300176U CN 202323191942 U CN202323191942 U CN 202323191942U CN 221300176 U CN221300176 U CN 221300176U
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- China
- Prior art keywords
- valve
- wall
- groove
- connecting cavity
- inlet pipe
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- 239000007788 liquid Substances 0.000 claims abstract description 45
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 32
- 239000000956 alloy Substances 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 6
- 229910000531 Co alloy Inorganic materials 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The application discloses a floating ball valve, comprising: valve body subassembly, spheroid, handle coupling assembling, disk seat. The valve body assembly is provided with a liquid inlet pipe, a liquid outlet pipe and a connecting cavity arranged between the liquid inlet pipe and the liquid outlet pipe, and a penetrating groove is formed in the top of the connecting cavity. The sphere is positioned in the connecting cavity, and a communicating groove used for communicating with the liquid inlet pipe and the liquid outlet pipe is arranged in the sphere. The handle connecting assembly is connected with the ball body through the through groove and used for driving the ball body to rotate so that the communicating groove is communicated with or separates the liquid inlet pipe and the liquid outlet pipe. The valve seat is located the connection chamber, laminating respectively on the spheroid be close to one side of feed liquor pipe and be close to one side of drain pipe for sealing connection spheroidal arc outer wall and the inner wall of connection chamber. The alloy wear-resistant layer is made of cobalt-based alloy or nickel-based alloy, iron-based alloy, copper-based alloy and the like on the inner wall of the connecting cavity and at the joint of the valve seat assembly.
Description
Technical Field
The application relates to the technical field of floating ball valves, in particular to a floating ball valve.
Background
The floating ball valve consists of a valve body, a valve cover, a valve core, a sealing ring, an operating rod and the like. The valve body has a ball-shaped valve core inside, and the valve core can float freely on the valve seat. When the valve is closed, the valve core is pushed to the valve seat under the pressure of the medium, so that a seal is formed between the valve seat and the valve core to prevent the medium from flowing. The floating ball valve is characterized in that the valve core can float under the action of a medium. When the pressure of the medium exceeds the pressure above the valve core, the valve core is pushed to the valve seat, so that the tightness is ensured. When the pressure of the medium is reduced or disappears, the valve core can float along with the flow of the medium, so that the abrasion between the valve core and the valve seat is reduced to a certain extent, but in actual use, the valve core pushes the valve seat to move in the valve body, the abrasion range between the valve seat and the valve body is enlarged, and the sealing performance between the valve seat and the valve body is easily reduced due to the increase of uncertainty of abrasion positions, so that the situation of water seepage and water leakage occurs.
Accordingly, there remains a need for a floating ball valve that addresses the above-described problems.
Disclosure of utility model
The present application provides a floating ball valve that solves the above-mentioned problems.
The application adopts the following technical scheme:
A floating ball valve, comprising: the valve body assembly is provided with a liquid inlet pipe, a liquid outlet pipe and a connecting cavity arranged between the liquid inlet pipe and the liquid outlet pipe, and a through groove is formed in the top of the connecting cavity;
The ball body is positioned in the connecting cavity, and a communication groove used for communicating with the liquid inlet pipe and the liquid outlet pipe is formed in the ball body;
The handle connecting assembly is connected with the ball body through the penetrating groove and used for driving the ball body to rotate so that the communicating groove is communicated with or separates the liquid inlet pipe and the liquid outlet pipe;
The valve seat assembly is positioned in the connecting cavity, is respectively attached to one side, close to the liquid inlet pipe, of the sphere and one side, close to the liquid outlet pipe, of the sphere, and is used for being connected with the arc-shaped outer wall of the sphere and the inner wall of the connecting cavity in a sealing manner;
Alloy wear-resistant layers are welded on the inner wall of the connecting cavity and the joint of the valve seat assembly and the inner wall of the through groove;
The alloy wear-resistant layer is made of cobalt-based alloy, nickel-based alloy, iron-based alloy and copper-based alloy.
In one embodiment, the valve body assembly includes: the valve cover and the valve body, the feed liquor pipe forms the inside of valve cover, the valve cover has connecting portion, connecting portion be used for inserting the connecting chamber inner wall, the welding has the wearing layer on the annular face of connecting portion, and/or, the valve body inner wall be used for with be equipped with the alloy wearing layer on the annular face of connecting portion's lateral wall butt joint.
In one embodiment, the valve seat assembly comprises at least two valve seats, an alloy wear-resistant layer is arranged on an annular surface of the valve seats, which is used for being in butt joint with the inner wall of the valve body assembly, and/or an alloy wear-resistant layer is arranged at the butt joint position of the valve body assembly and the valve seats.
In one embodiment, the handle connection assembly includes: the handle is connected with the circumference of the butt joint of the inner wall of the through groove through an adjusting shaft, and/or the inner wall of the through groove is provided with an alloy wear-resistant layer.
In one embodiment, a sealing ring and a graphite gasket are arranged on the annular side of the outer wall of the adjusting shaft, the sealing ring and the graphite gasket are arranged between the pressing sleeve and the alloy wear-resistant layer, the pressing sleeve elastically presses the sealing ring, and the graphite gasket is fixed through the sealing ring.
In one embodiment, a spring is further connected between the ball body and the adjusting shaft, a sliding groove is formed in the ball body, and the bottom end of the adjusting shaft is slidably connected to the inside of the sliding groove through the spring.
Compared with the prior art, the application has the beneficial effects that at least:
When the ball is closed or opened, the flow of the medium can push the ball to deviate for a distance in the flowing direction of the liquid, the valve seat component on one side of the ball is extruded to deviate together and extrude the inner wall of the connecting cavity to play a sealing role, the alloy wear-resistant layer is arranged on the inner wall of the connecting cavity, the hardness and strength between the valve core and the valve seat are increased by the alloy wear-resistant layer, the wear resistance of the ball and the valve seat is improved, the high sealing performance can be kept after long-term abrasion and working, and the reliability of the valve is improved.
Drawings
Fig. 1 is a schematic structural view of a floating ball valve according to an embodiment of the present application.
In the figure:
1. a valve body assembly; 11. a liquid inlet pipe; 12. a liquid outlet pipe; 13. a connecting cavity; 14. a through groove; 15. a valve cover; 16. a valve body; 2. a sphere; 3. a handle connection assembly; 31. a handle; 32. a nut; 33. pressing the sleeve; 34. a seal ring; 35. a graphite gasket; 4. a spring; 5. a wear-resistant layer; 6. a valve seat.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The words expressing the positions and directions described in the present application are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present application.
Referring to fig. 1, the present application provides a floating ball valve comprising: valve body assembly 1, spheroid 2, handle connecting assembly 3, disk seat 6 subassembly. The valve body assembly 1 has opposite inlet and outlet pipes 11 and 12 through which liquid can enter and then exit through the inlet pipe 11 and 12, and a connecting chamber 13 provided between the inlet pipe 11 and the outlet pipe 12, the connecting chamber 13 being, for example, spherical in shape. The top of the connecting cavity 13 is provided with a through groove 14, and the through groove 14 is a shaft hole with a shaft shape, for example. The ball body 2 is positioned in the connecting cavity 13, and a communication groove used for communicating with the liquid inlet pipe 11 and the liquid outlet pipe 12 is formed in the ball body 2. The handle connecting component 3 is connected with the sphere 2 through a through groove 14 and is used for driving the sphere 2 to rotate so as to enable the communicating groove to communicate or space the liquid inlet pipe 11 and the liquid outlet pipe 12. The valve seat 6 is located in the connecting cavity 13, and is respectively attached to one side, close to the liquid inlet pipe 11, of the ball body 2 and one side, close to the liquid outlet pipe 12, of the ball body 2, and is used for being in sealing connection with the arc-shaped outer wall of the ball body 2 and the inner wall of the connecting cavity 13. Alloy wear-resistant layers 5 are welded on the inner wall of the connecting cavity 13 and the butt joint part of the valve seat 6 and the inner wall of the through groove 14. The alloy wear-resistant layer 5 is made of cobalt-based alloy, nickel-based alloy, iron-based alloy, copper-based alloy and the like, the alloy wear-resistant layer 5 can be welded on the inner wall of the valve body assembly 1 in a surfacing mode, and can also be welded on the annular outer wall of the valve seat 6, when the floating ball body 2 is opened or closed, and the valve moves along with the flow of media, the ball body 2 pushes the valve seat 6 to squeeze the valve body 16, the additionally arranged alloy wear-resistant layer 5 promotes the wear resistance between the valve seat 6 assembly and the valve body assembly 1, and the sealing performance between the valve seat 6 and the valve body 16 is prevented from being reduced, so that the reliability of the valve is reduced.
In one embodiment, the valve body assembly 1 comprises: the valve cover 15 and the valve body 16, the feed liquor pipe 11 is formed in the valve cover 15, the valve cover 15 is provided with a connecting portion, the connecting portion is used for being inserted into the inner wall of the connecting cavity 13, the wear-resistant layer 5 is welded on the annular surface of the connecting portion, and/or the alloy wear-resistant layer 5 is arranged on the annular surface of the inner wall of the valve body 16, which is used for being in butt joint with the side wall of the connecting portion, the connecting portion of the valve cover 15 is a section of extended columnar surface in the transverse direction, the valve body 16 is provided with an annular opening, when the valve is assembled, firstly, one valve seat 6 is attached to the ball body 2 and is placed in the connecting cavity 13, then the valve seat 6 is positioned at the position corresponding to the liquid outlet pipe 12, then the other valve seat 6 is placed, and the connecting portion of the valve cover is inserted into the connecting portion of the valve body 16, so that butt joint is completed, and the alloy wear-resistant layer 5 additionally arranged in the connecting portion or the connecting cavity 13 can effectively prevent corrosive liquid from flowing out intermittently between the valve cover and the valve body 16, and the stability of the valve is ensured.
In one specific embodiment, the handle connection assembly 3 comprises: the handle 31, the nut 32, the pressing sleeve 33 and the sealing ring 34 are sequentially arranged from top to bottom, the handle 31 is connected with the circumference of the inner wall butt joint of the through groove 14 through an adjusting shaft, and/or the inner wall of the through groove 14 is provided with the alloy wear-resistant layer 5. The handle 31 is provided with a clamping ring, the clamping ring is sleeved at the top of the adjusting shaft, and when the adjusting shaft is adjusted, the handle 31 drives the adjusting shaft to rotate, and meanwhile, the bottom of the adjusting shaft drives the ball body 2 to rotate, so that liquid flowing between the liquid inlet pipe 11 and the liquid outlet pipe 12 is closed or opened. The alloy wear-resistant layer 5 provided on the adjustment shaft and in the through groove 14 prevents poor sealing between the adjustment shaft and the through groove 14 due to a large amount of wear during repeated rotation of the adjustment shaft, and liquid flows out from between the adjustment shaft and the through groove 14.
More specifically, a sealing ring 34 and a graphite gasket 35 are arranged on the annular side of the outer wall of the adjusting shaft, and the sealing ring 34 and the graphite gasket 35 are arranged between the pressing sleeve 33 and the alloy wear-resistant layer 5, and the pressing sleeve 33 elastically presses the sealing ring 34 and fixes the graphite gasket 35 through the sealing ring 34. The pressure sleeve 33 is locked above the adjusting shaft to prevent the adjusting shaft from falling off from the through groove 14, and the sealing ring 34 and the graphite gasket 35 are arranged above the adjusting shaft to improve sealing performance and prevent liquid from overflowing to the outside of the valve body 16.
In one embodiment, a spring 4 is further connected between the ball 2 and the adjusting shaft, a sliding groove is formed in the ball 2, and the bottom end of the adjusting shaft is slidably connected to the inside of the sliding groove through the spring 4. The spring 4 is an antistatic spring, and is used for always communicating the sphere 2 with the adjusting shaft and guiding out static electricity generated by the sphere 2.
While embodiments of the present application have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the application, all such changes being within the scope of the appended claims.
Claims (5)
1. A floating ball valve, comprising:
The valve body assembly is provided with a liquid inlet pipe, a liquid outlet pipe and a connecting cavity arranged between the liquid inlet pipe and the liquid outlet pipe, and a through groove is formed in the top of the connecting cavity;
The ball body is positioned in the connecting cavity, and a communication groove used for communicating with the liquid inlet pipe and the liquid outlet pipe is formed in the ball body;
The handle connecting assembly is connected with the ball body through the penetrating groove and used for driving the ball body to rotate so that the communicating groove is communicated with or separates the liquid inlet pipe and the liquid outlet pipe;
The valve seat is positioned in the connecting cavity, is respectively attached to one side, close to the liquid inlet pipe, of the sphere and one side, close to the liquid outlet pipe, of the sphere, and is used for being connected with the arc-shaped outer wall of the sphere and the inner wall of the connecting cavity in a sealing manner;
And an alloy wear-resistant layer is arranged on the joint of the inner wall of the connecting cavity and the valve seat assembly.
2. The float ball valve of claim 1, wherein said valve body assembly includes: the valve cover and the valve body, the feed liquor pipe forms the inside of valve cover, the valve cover has connecting portion, connecting portion be used for inserting the connecting chamber inner wall, the welding has the wearing layer on the annular face of connecting portion, and/or, the valve body inner wall be used for with be equipped with the alloy wearing layer on the annular face of connecting portion's lateral wall butt joint.
3. The float ball valve of claim 2, wherein said handle connection assembly includes: the handle is connected with the circumference of the butt joint of the inner wall of the through groove through an adjusting shaft, and/or the inner wall of the through groove is provided with an alloy wear-resistant layer.
4. A floating ball valve as claimed in claim 3, wherein the outer wall annular side of the adjustment shaft is provided with a sealing ring and a graphite gasket between the pressing sleeve and the alloy wear layer, the pressing sleeve elastically presses the sealing ring and fixes the graphite gasket through the sealing ring.
5. The floating ball valve according to claim 1, wherein a spring is further connected between the ball body and the adjusting shaft, a sliding groove is formed in the ball body, and the bottom end of the adjusting shaft is slidably connected to the inside of the sliding groove through the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323191942.6U CN221300176U (en) | 2023-11-24 | 2023-11-24 | Floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323191942.6U CN221300176U (en) | 2023-11-24 | 2023-11-24 | Floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221300176U true CN221300176U (en) | 2024-07-09 |
Family
ID=91736250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323191942.6U Active CN221300176U (en) | 2023-11-24 | 2023-11-24 | Floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221300176U (en) |
-
2023
- 2023-11-24 CN CN202323191942.6U patent/CN221300176U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |