CN204573163U - Wear resistance ball valve - Google Patents
Wear resistance ball valve Download PDFInfo
- Publication number
- CN204573163U CN204573163U CN201520066862.4U CN201520066862U CN204573163U CN 204573163 U CN204573163 U CN 204573163U CN 201520066862 U CN201520066862 U CN 201520066862U CN 204573163 U CN204573163 U CN 204573163U
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- CN
- China
- Prior art keywords
- valve
- barrel
- seat
- valve seat
- filler
- Prior art date
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- 239000000945 filler Substances 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 7
- QDWJUBJKEHXSMT-UHFFFAOYSA-N boranylidynenickel Chemical compound [Ni]#B QDWJUBJKEHXSMT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000000875 corresponding Effects 0.000 claims abstract description 4
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910001026 inconel Inorganic materials 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000003628 erosive Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
A kind of wear resistance ball valve, comprise right valve barrel, left valve barrel, large spirotallic gasket is provided with between right valve barrel and left valve barrel, right valve barrel is provided with right valve seat, left valve barrel is provided with left valve seat, right valve seat is corresponding with left valve seat to be arranged, spheroid is provided with between right valve seat and left valve seat, spheroid is provided with valve rod, lining is provided with between valve rod and left valve barrel, left valve barrel is also provided with valve gap, little spirotallic gasket is provided with between valve gap and left valve barrel, valve rod passes from valve gap inside, the upper end of valve rod is disposed with Packing seat from the bottom up, filler, hold-down grid, valve gap inside is located at by Packing seat and filler, hold-down grid is fixed on valve gap upper end-hole, the utility model structure is simple, easy to assembly, at left valve seat, right valve seat and spherome surface sprayed wc, at the runner inner wall surface spraying nickel boron coating of right valve barrel, left valve barrel, right valve seat, left valve seat and spheroid, effectively improve the abrasion performance of valve, resistance to erosion ability, create significant economic benefit and social benefit.
Description
Technical field
The utility model relates to a kind of cut-off valve, particularly a kind of wear resistance ball valve, belongs to valve manufacture field.
Background technique
Ball valve drives spheroid by valve rod, and around the valve that ball valve axis rotates.Also can be used for the flow quantity control of fluid, wherein firmly seal between O type ball valve its O type ball core and metal seat valve of pile-up welding hard alloy and there is very strong shearing force, be specially adapted to the medium of fibre-bearing, a small solid material etc.Along with the develop rapidly of science and technology, updating of production technology and product structure, ball valve has developed rapidly becomes a kind of main valve class.The common hard seal ball valve existed in the market, be made up of valve body, valve gap two back-pressure balance valve seats and metal ball body, this valve is two way sealed, but can only to meet≤the requirement of 2.0MPa shut off differential pressure, spheroid and valve seat material are 304 built-up welding Si Taili cemented carbide, spheroid and valve base surface hardness HRC40-44, surface roughness is 0.4, valve shaft material 304, single guide mechanism, abrasion performance, resistance to erosion ability are lower, are not suitable for the occasion of frequent movement.
Summary of the invention
The purpose of this utility model is to solve the deficiencies in the prior art, and it is simple that the utility model provides a kind of structure, and abrasion performance, resistance to erosion ability are high, and can be applicable to the wear resistance ball valve of the occasion of frequent movement.
The utility model solves the technological scheme that its technical problem adopts: a kind of wear resistance ball valve, comprise right valve barrel, left valve barrel joining with right valve barrel, large spirotallic gasket is provided with between right valve barrel and left valve barrel, right valve barrel is provided with right valve seat, left valve barrel is provided with left valve seat, right valve seat is corresponding with left valve seat to be arranged, spheroid is provided with between right valve seat and left valve seat, spheroid is provided with valve rod, lining is provided with between valve rod and left valve barrel, left valve barrel is also provided with valve gap, little spirotallic gasket is provided with between valve gap and left valve barrel, valve rod passes from valve gap inside, the upper end of valve rod is disposed with Packing seat from the bottom up, filler, hold-down grid, valve gap inside is located at by Packing seat and filler, hold-down grid is fixed on valve gap upper end-hole.
As preferably, described right valve barrel and left valve barrel are fixedly connected by large stud and heavy series hexagon nut, and described valve gap and left valve barrel are fixedly connected by little stud and little hexagon nut.
As preferably, the equal supersonic spray coating Tungsten carbite of described left valve seat, right valve seat and spherome surface.
As preferably, the runner inner wall surface of described right valve barrel, left valve barrel, right valve seat, left valve seat and spheroid all sprays nickel boron coating.
As preferably, between described left valve barrel and left valve seat, be provided with large butterfly spring.
As preferably, described filler comprises three group of first filler and two group of second filler, and described first filler is flexible graphite packing, and the second filler is inconel and flexible graphite packing mixed fillers, two kinds of spaced distributions of filler.
As preferably, described hold-down grid is fixed on valve gap by stud and set screw nut, and stud is arranged with little butterfly spring between set screw nut and hold-down grid.
The utility model structure is simple, easy to assembly, also at left valve seat, right valve seat and spherome surface sprayed wc, at the runner inner wall surface spraying nickel boron coating of right valve barrel, left valve barrel, right valve seat, left valve seat and spheroid, effectively improve the abrasion performance of valve, resistance to erosion ability, create significant economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram of the utility model embodiment.
In figure: 1, right valve barrel, 2, heavy series hexagon nut, 3, large stud, 4, large spirotallic gasket, 5, right valve seat, 6, spheroid, 7, left valve barrel, 8, left valve seat, 9, large butterfly spring, 10, lining, 11, valve gap, 12, little spirotallic gasket, 13, little hexagon nut, 14, little stud, 15, valve rod, 16, Packing seat, 17, the second filler, the 18, first filler, 19, hold-down grid, 20, butterfly spring, 21, set screw nut, 22, stud.
Embodiment
In order to make technical problem to be solved in the utility model, technological scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment:
A kind of wear resistance ball valve as shown in Figure 1, comprise right valve barrel 1, with the joining left valve barrel 7 of right valve barrel 1, right valve barrel 1 and left valve barrel 7 are fixedly connected by large stud 3 and heavy series hexagon nut 2, are provided with large spirotallic gasket 4 between right valve barrel 1 and left valve barrel 7; Right valve barrel 1 is provided with right valve seat 5, and left valve barrel 7 is provided with left valve seat 8, is provided with large butterfly spring 9 between left valve barrel 8 and left valve seat 7, and right valve seat 5 is corresponding with left valve seat 8 to be arranged; Be provided with spheroid 6 between right valve seat 5 and left valve seat 8, spheroid 6 is provided with valve rod 15, is provided with lining 10 between valve rod 15 and left valve barrel 7; Left valve barrel 7 is also provided with valve gap 11, and valve gap 11 and left valve barrel 7 are fixedly connected by little stud 14 and little hexagon nut 13, and be provided with little spirotallic gasket 12 between valve gap 11 and left valve barrel 7, valve rod 15 passes from valve gap 11 inside; The upper end of valve rod 15 is disposed with Packing seat 16, filler, hold-down grid 19 from the bottom up, it is inner that valve gap 11 is located at by Packing seat 16 and filler, filler comprises three group of first filler 18 and two group of second filler 17, described first filler 18 is flexible graphite packing, second filler 17 is inconel and flexible graphite packing mixed fillers, two kinds of spaced distributions of filler; Hold-down grid 19 is fixed on valve gap 11 upper end-hole, and hold-down grid 19 is fixed on valve gap 11 by stud 22 and set screw nut 21, and stud 22 is arranged with little butterfly spring 20 between set screw nut 21 and hold-down grid 19.
Left valve seat 8, right valve seat 5 and spheroid 6 surface all supersonic spray coating Tungsten carbites, the runner inner wall surface of right valve barrel 1, left valve barrel 7, right valve seat 5, left valve seat 8 and spheroid 6 all sprays nickel boron coating.
The utility model structure is simple, easy to assembly, also at left valve seat 8, right valve seat 5 and spheroid 6 surface spraying Tungsten carbite, at the runner inner wall surface spraying nickel boron coating of right valve barrel 1, left valve barrel 7, right valve seat 5, left valve seat 8 and spheroid 6, effectively improve the abrasion performance of valve, resistance to erosion ability, create significant economic benefit and social benefit.
Above-described embodiment is one of the present utility model preferably scheme, not does any pro forma restriction to the utility model, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (7)
1. a wear resistance ball valve, it is characterized in that: comprise right valve barrel (1), with right valve barrel (1) joining left valve barrel (7), large spirotallic gasket (4) is provided with between right valve barrel (1) and left valve barrel (7), right valve barrel (1) is provided with right valve seat (5), left valve barrel (7) is provided with left valve seat (8), right valve seat (5) is corresponding with left valve seat (8) to be arranged, spheroid (6) is provided with between right valve seat (5) and left valve seat (8), spheroid (6) is provided with valve rod (15), lining (10) is provided with between valve rod (15) and left valve barrel (7), left valve barrel (7) is also provided with valve gap (11), little spirotallic gasket (12) is provided with between valve gap (11) and left valve barrel (7), valve rod (15) passes from valve gap (11) inside, the upper end of valve rod (15) is disposed with Packing seat (16) from the bottom up, filler, hold-down grid (19), it is inner that valve gap (11) is located at by Packing seat (16) and filler, hold-down grid (19) is fixed on valve gap (11) upper end-hole.
2. wear resistance ball valve according to claim 1, it is characterized in that: described right valve barrel (1) and left valve barrel (7) are fixedly connected by large stud (3) and heavy series hexagon nut (2), described valve gap (11) and left valve barrel (7) are fixedly connected by little stud (14) and little hexagon nut (13).
3. wear resistance ball valve according to claim 1, is characterized in that: described left valve seat (8), right valve seat (5) and spheroid (6) surface all supersonic spray coating Tungsten carbites.
4. wear resistance ball valve according to claim 1, is characterized in that: the runner inner wall surface of described right valve barrel (1), left valve barrel (7), right valve seat (5), left valve seat (8) and spheroid (6) all sprays nickel boron coating.
5. wear resistance ball valve according to claim 1, is characterized in that: be provided with large butterfly spring (9) between described left valve barrel (7) and left valve seat (8).
6. wear resistance ball valve according to claim 1, it is characterized in that: described filler comprises three group of first filler (18) and two group of second filler (17), described first filler (18) is flexible graphite packing, second filler (17) is inconel and flexible graphite packing mixed fillers, two kinds of spaced distributions of filler.
7. wear resistance ball valve according to claim 1, it is characterized in that: described hold-down grid (19) is fixed on valve gap by stud (22) and set screw nut (21), and stud (22) is arranged with little butterfly spring (20) between set screw nut (21) and hold-down grid (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066862.4U CN204573163U (en) | 2015-01-30 | 2015-01-30 | Wear resistance ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066862.4U CN204573163U (en) | 2015-01-30 | 2015-01-30 | Wear resistance ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573163U true CN204573163U (en) | 2015-08-19 |
Family
ID=53865804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520066862.4U Active CN204573163U (en) | 2015-01-30 | 2015-01-30 | Wear resistance ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573163U (en) |
-
2015
- 2015-01-30 CN CN201520066862.4U patent/CN204573163U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |