CN219755405U - Anticorrosion low flow resistance external control sealing ball valve - Google Patents
Anticorrosion low flow resistance external control sealing ball valve Download PDFInfo
- Publication number
- CN219755405U CN219755405U CN202321131968.9U CN202321131968U CN219755405U CN 219755405 U CN219755405 U CN 219755405U CN 202321131968 U CN202321131968 U CN 202321131968U CN 219755405 U CN219755405 U CN 219755405U
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- CN
- China
- Prior art keywords
- valve
- top end
- external control
- valve body
- flow resistance
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000000956 alloy Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses an anti-corrosion low-flow-resistance external control sealing ball valve which comprises a valve body, wherein the valve body is of a two-group spliced structure, the outer sides of the valve body are connected and fixed through studs and nuts, a single-side valve body comprises a valve cover, a winding pad sleeved on the inner side wall of the bottom end of the valve cover and a valve seat arranged on the inner side of the valve cover, a ball body is arranged in the valve seat, the top end of the ball body is fixedly connected with a valve rod, an anti-static steel ball and an anti-static spring are arranged on the outer side of the top end of the valve rod, a thrust pad is arranged on the top end of the valve rod, an O-shaped ring is sleeved on the top end of the middle part of the valve rod, the valve rod and the top end of the valve body are fastened through a thin nut, and a packing pressing sleeve is arranged below the thin nut.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to an anti-corrosion low-flow-resistance external control sealing ball valve.
Background
The ball valve is a valve which is driven by a valve rod and rotates around the axis of the valve rod. The hard seal V-shaped ball valve is mainly used for cutting off or connecting a medium in a pipeline, and can also be used for regulating and controlling fluid, wherein a strong shearing force is arranged between a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the hard alloy for surfacing, and the hard seal V-shaped ball valve is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels, and the ball valve is generally horizontally arranged in the pipeline. The ball valve is divided into: pneumatic ball valve, electric ball valve, manual ball valve.
However, when the existing ball valve is used, dirt is often accumulated on the inner wall of the ball valve seat, so that the inner wall of the ball valve seat and the inner cavity of the ball valve are easy to corrode and block, and the service life is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the anti-corrosion low-flow-resistance external control sealing ball valve, which can avoid the condition that the existing ball body is directly contacted with the valve body when contacting with the ball body through the arranged valve seat structure, further reduce the abrasion condition, and the polytetrafluoroethylene material coated in the flow passage can protect the flow passage, reduce the structural damage of corrosive media to the valve body structure and protect the internal structure.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an anticorrosive low flow resistance external control sealing ball valve, includes the valve body, the valve body is two sets of concatenation structures, and the outside all is connected fixedly through double-screw bolt and nut, unilateral including valve gap, cover in the valve body locate the winding pad of valve gap bottom inside wall and set up in the inboard disk seat of valve gap, be provided with the spheroid in the disk seat, spheroidal top and valve rod fixed connection, the top outside of valve rod is provided with antistatic steel ball and antistatic spring, the top of valve rod is provided with the thrust pad, the middle part top cover of valve rod is equipped with O type circle, the valve rod passes through thin nut with the top of valve body and realizes fastening, just the below of thin nut is provided with the packing and presses the cover, the bottom of packing is pressed the cover and is provided with the packing, the top of thin nut is provided with the spacer.
As a preferable technical scheme of the utility model, the valve seat is made of copper alloy material, the valve seat is of a cube structure, and a spherical space is formed in the valve seat.
As a preferable technical scheme of the utility model, square groove structures are arranged on the inner sides of the two groups of valve covers, and the size of each square groove is half of the size of the valve seat.
As a preferable technical scheme of the utility model, the winding pad is made of graphite, and the filler is made of flexible graphite.
As a preferable technical scheme of the utility model, the side walls of the internal flow channel of the valve body are coated with polytetrafluoroethylene materials.
As a preferable technical scheme of the utility model, the top end of the valve body is provided with a positioning pin.
As a preferable technical scheme of the utility model, the internal flow passages of the valve body are all round-corner structures.
As a preferable technical scheme of the utility model, the middle part of the positioning sheet is provided with a handle, and the bottom end of the handle penetrates through the thin nut to be fixedly connected with the top end of the valve rod.
Compared with the prior art, the utility model has the following beneficial effects:
1. in this device, through the disk seat structure that sets up, when contacting with the spheroid, can avoid the condition of current spheroid direct and valve body contact, and then reduce the condition of wearing and tearing, and can protect the runner at the polytetrafluoroethylene material that the inside coating of runner had, reduce the structural damage of corrosive medium to valve body structure, protection inner structure.
2. In this device, through set up fillet structure in the both sides of valve body runner, after external high-pressure medium flows in, because inside aperture diminishes, and then the velocity of flow increases, smooth fillet structure can play the effect that reduces the flow resistance, reduces the inside condition that takes place to block up of pipeline and valve body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
fig. 3 is a schematic diagram of the structure at a in fig. 2.
Wherein: 1. a valve body; 2. a stud; 3. a nut; 4. a valve cover; 5. winding a pad; 6. a valve seat; 7. a sphere; 8. a valve stem; 9. antistatic steel balls; 10. an antistatic spring; 11. a thrust pad; 12. an o-ring; 13. a filler; 14. packing pressing sleeve; 15. a positioning sheet; 16. a handle; 17. a thin nut; 18. and (5) positioning pins.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-3, the utility model provides an anti-corrosion low-flow-resistance external control sealing ball valve, which comprises a valve body 1, wherein the valve body 1 is of two groups of spliced structures, the outer sides of the valve body 1 are connected and fixed through studs 2 and nuts 3, the single-side valve body 1 comprises a valve cover 4, a winding pad 5 sleeved on the inner side wall of the bottom end of the valve cover 4 and a valve seat 6 arranged on the inner side of the valve cover 4, a ball 7 is arranged in the valve seat 6, the top end of the ball 7 is fixedly connected with a valve rod 8, an anti-static steel ball 9 and an anti-static spring 10 are arranged on the outer side of the top end of the valve rod 8, a thrust pad 11 is arranged on the top end of the valve rod 8, an O-shaped ring 12 is sleeved on the top end of the middle part of the valve rod 8, the valve rod 8 and the top end of the valve body 1 are fastened through a thin nut 17, a packing pressing sleeve 14 is arranged below the thin nut 17, the bottom end of the packing pressing sleeve 14 is provided with a packing 13, and the top end of the thin nut 17 is provided with a positioning piece 15;
the valve seat 6 is made of copper alloy material, the valve seat 6 is of a cube structure, and a spherical space is formed in the valve seat 6; the inner sides of the two groups of valve covers 4 are provided with square groove structures, and the size of each square groove is half of that of the valve seat 6; the winding pad 5 is made of graphite, and the filler 13 is made of flexible graphite; the side walls of the internal flow channel of the valve body 1 are coated with tetrafluoroethylene materials; the top end of the valve body 1 is provided with a positioning pin 18; through the disk seat 6 structure that sets up, when contacting with spheroid 7, can avoid the condition of current spheroid 7 direct and valve body 1 contact, and then reduce the condition of wearing and tearing, and can protect the runner at the polytetrafluoroethylene material that the inside coating of runner had, reduce the structural damage of corrosive medium to valve body 1 structure, protect inner structure.
In other embodiments, the internal flow passages of the valve body 1 are all round-corner structures; a handle 16 is arranged in the middle of the positioning sheet 15, and the bottom end of the handle 16 penetrates through a thin nut 17 and is fixedly connected with the top end of the valve rod 8; through set up the fillet structure in the both sides of valve body 1 runner, after external high-pressure medium flows in, because inside aperture diminishes, and then the velocity of flow increases, smooth fillet structure can play the effect that reduces the flow resistance, reduces the inside condition that takes place to block up of pipeline and valve body 1.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an anticorrosive low flow resistance external control sealing ball valve, includes valve body (1), its characterized in that: the valve body (1) is of a two-group spliced structure, the outer sides of the valve body are connected and fixed through the studs (2) and the nuts (3), the valve body (1) comprises a valve cover (4), a winding pad (5) sleeved on the inner side wall of the bottom end of the valve cover (4) and a valve seat (6) arranged on the inner side of the valve cover (4), a ball body (7) is arranged in the valve seat (6), the top end of the ball body (7) is fixedly connected with the valve rod (8), an anti-static steel ball (9) and an anti-static spring (10) are arranged on the outer side of the top end of the valve rod (8), a thrust pad (11) is arranged on the top end of the middle part of the valve rod (8), an O-shaped ring (12) is sleeved on the top end of the valve rod (8) and the top end of the valve body (1) in a fastening mode through a thin nut (17), a packing pressing sleeve (14) is arranged below the thin nut (17), and a packing (13) is arranged on the bottom end of the packing pressing sleeve (14), and a locating piece (15) is arranged on the top end of the thin nut (17).
2. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the valve seat (6) is made of copper alloy, the valve seat (6) is of a cube structure, and a spherical space is formed in the valve seat (6).
3. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the inner sides of the two groups of valve covers (4) are provided with square groove structures, and the size of each square groove is half of that of the valve seat (6).
4. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the winding pad (5) is made of graphite, and the filler (13) is made of flexible graphite.
5. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the side walls of the internal flow channels of the valve body (1) are coated with polytetrafluoroethylene materials.
6. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the top end of the valve body (1) is provided with a locating pin (18).
7. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the internal flow passages of the valve body (1) are of round corner structures.
8. The anti-corrosion low flow resistance external control sealing ball valve according to claim 1, wherein: the middle part of spacer (15) is provided with handle (16), the bottom of handle (16) runs through thin nut (17) and is connected with the top fixed of valve rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321131968.9U CN219755405U (en) | 2023-05-08 | 2023-05-08 | Anticorrosion low flow resistance external control sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321131968.9U CN219755405U (en) | 2023-05-08 | 2023-05-08 | Anticorrosion low flow resistance external control sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755405U true CN219755405U (en) | 2023-09-26 |
Family
ID=88092685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321131968.9U Active CN219755405U (en) | 2023-05-08 | 2023-05-08 | Anticorrosion low flow resistance external control sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755405U (en) |
-
2023
- 2023-05-08 CN CN202321131968.9U patent/CN219755405U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |