CN203717948U - High pressure difference valve multistage throttling structure - Google Patents
High pressure difference valve multistage throttling structure Download PDFInfo
- Publication number
- CN203717948U CN203717948U CN201420024129.1U CN201420024129U CN203717948U CN 203717948 U CN203717948 U CN 203717948U CN 201420024129 U CN201420024129 U CN 201420024129U CN 203717948 U CN203717948 U CN 203717948U
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- China
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- valve
- flow dividing
- hole
- tap hole
- splitter box
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Abstract
The utility model discloses a high pressure difference valve multistage throttling structure. The valve comprises a valve body, a valve seat, a valve sleeve, a valve element, a valve rod, a valve cover and a filler. A throttling piece is arranged in the valve sleeve, an injection hole is formed in the front end of the throttling piece, flow dividing grooves are formed in the surface of the throttling piece, the flow dividing grooves of the same row are separated through partition pieces, and two flow dividing holes are formed in each flow dividing groove. A flow dividing hole closest to the front end of the throttling piece is directly communicated with the injection hole, the other flow dividing hole formed in the same flow dividing groove as the flow dividing hole and a former flow dividing hole of the next flow dividing groove are aligned to and communicated with two flow dividing holes in the flow dividing groove of the adjacent row and level to the flow dividing groove, and the latter communication structure is identical with the former ones. The throttling piece is installed in the valve sleeve to achieve multistage throttling, the fluid is subjected to the multistage labyrinth type turning, opposite flowing and flow dividing in the throttling piece, the energy of the fluid is reduced, damage to the valve and caused by air corrosion, scouring and large noise caused by large pressure difference is effectively reduced, and a good multistage throttling effect is achieved. The structure is simple in machining process, can be obtained through simple turn-milling machining, and is low in machining cost.
Description
Technical field
The utility model relates to fluid control tool technical field, is specifically related to a kind of high-pressure differential valve.
Background technique
High-pressure differential valve is controlled occasion at many fluids and all will be applied to, the infringement that it need to avoid valve internal cause to cavitate, wash away and cause with multistage throttle.At present more advanced multistage throttle mode is to adopt the throttling of disk type labyrinth in the world, utilizes the runner of labyrinth selling off of introversion, and convection cell carries out throttling.Though this throttle style can solve preferably valve and bear the problem that pressure reduction is large, to process equipment require high, to valve inner piece material require high, processing technology difficulty is high, processing cost is high, thereby limited its application.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of simple in structure, good throttle effect, processing technology is not high, cost is low high-pressure differential valve multistage throttle structure.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of high-pressure differential valve multistage throttle structure, this high-pressure differential valve comprises valve body, valve seat is installed in valve body, valve pocket and spool are installed on valve seat, valve pocket is positioned at the periphery of spool, spool is connected with valve rod, valve body is provided with valve gap, spool is arranged with filler outward, filler is fixed by gland, gland is fixed by pressing plate, it is characterized in that: in described valve pocket, throttling element is installed, the front end of throttling element is provided with hand-hole, in throttling element, be provided with the different tap hole of some directions, tap hole is communicated with hand-hole.
Further, described throttling element is cylindrical structural, in damaged surface, offers inwardly recessed splitter box of some row, and each row comprises several splitter boxs, between same row splitter box, by spacer, separated the position that adjacent two row stagger half splitter box length mutually; In each splitter box, be provided with two tap holes; The tap hole nearest apart from throttling element front end is directly communicated with hand-hole, two tap holes that are arranged in the splitter box that a rear tap hole of same splitter box and the previous tap hole of next splitter box flush with adjacent column with this tap hole align respectively and are communicated with, after identical with above of the connectivity structure of splitter box and tap hole.
Further, described tap hole is by the column body orientation column surface of throttling element.
Fluid enters from hand-hole, flow to direct-connected tap hole with it, then from tap hole, flow to splitter box outwardly, flow into subsequently the next tap hole in same splitter box, flow into again another tap hole being communicated with this tap hole, ceaselessly flow down in the same way, the tap hole of fluid in throttling element turns round, liquidates, shunts through multistage mazy type and reduced energy.
The utility model carries out multistage throttle by throttling element being installed at valve pocket, throttling element can be by different pressure reduction demand intercepting appropriate length, be embedded in the effect that reaches multistage throttle on valve pocket, fluid can turn round, liquidate, shunt and reduce energy through multistage mazy type in throttling element, the infringement that effectively reduce cavitation erosion that valve causes greatly because of pressure reduction, wash away, noise is large etc. caused, reaches good multistage throttle effect.This throttling element processing technology is simple, only needs common turnning and milling processing to complete, and processing cost is low.
Accompanying drawing explanation
Fig. 1 is the whole sectional structure chart of the utility model;
Fig. 2 is throttling element structural drawing.
In figure, 1 is pressing plate, and 2 is gland, and 3 is filler, and 4 is valve gap, and 5 is valve rod, and 6 is valve body, and 7 is spool, and 8 is valve pocket, and 9 is valve seat, and 10 is throttling element, and 11 is hand-hole, and 12 is splitter box, and 13 is tap hole, and 14 is spacer.
Embodiment
In the present embodiment, see figures.1.and.2, described high-pressure differential valve multistage throttle structure, this high-pressure differential valve comprises valve body 6, valve seat 9 is installed in valve body 6, valve pocket 8 and spool 7 are installed on valve seat 9, and valve pocket 8 is positioned at the periphery of spool 7, and spool 7 is connected with valve rod 5, valve body 6 is provided with valve gap 4, spool 7 is outer is arranged with filler 3, and filler 3 is fixed by gland 2, and gland 2 is fixed by pressing plate 1; In described valve pocket 8, throttling element 10 is installed, the front end of throttling element 10 is provided with hand-hole 11, is provided with the different tap hole of some directions 13 in throttling element 10, and tap hole 13 is communicated with hand-hole 11.
Described throttling element 10 is cylindrical structural, in damaged surface, offer inwardly recessed splitter box 12 of some row, each row comprises several splitter boxs 12, between same row splitter box 12, by spacer 14, is separated, the position that adjacent two row stagger half splitter box 12 length mutually; In each splitter box 12, be provided with two tap holes 13; The tap hole 13 nearest apart from throttling element 10 front ends is directly communicated with hand-hole 11, two tap holes that are arranged in the splitter box that a rear tap hole of same splitter box 12 and the previous tap hole of next splitter box flush with adjacent column with this tap hole 13 align respectively and are communicated with, after identical with above of the connectivity structure of splitter box and tap hole.
Tap hole 13 is by the column body orientation column surface of throttling element 10.
Fluid enters from hand-hole 11, flow to direct-connected tap hole 13 with it, then from tap hole 13, flow to outwardly splitter box 12, flow into subsequently the next tap hole in same splitter box 13, flow into again another tap hole being communicated with this tap hole, ceaselessly flow down in the same way, the tap hole of fluid in throttling element 10 13 turns round, liquidates, shunts through multistage mazy type and reduced energy.
Below the utility model is described in detail, the above is only the preferred embodiment of the utility model, when not limiting the utility model practical range, be allly according to the application's scope, to do impartial change and modify, all should still belong in the utility model covering scope.
Claims (3)
1. a high-pressure differential valve multistage throttle structure, this high-pressure differential valve comprises valve body, valve seat is installed in valve body, valve pocket and spool are installed on valve seat, valve pocket is positioned at the periphery of spool, spool is connected with valve rod, valve body is provided with valve gap, spool is arranged with filler outward, and filler is fixed by gland, and gland is fixed by pressing plate, it is characterized in that: in described valve pocket, throttling element is installed, the front end of throttling element is provided with hand-hole, is provided with the different tap hole of some directions in throttling element, and tap hole is communicated with hand-hole.
2. high-pressure differential valve multistage throttle structure according to claim 1, it is characterized in that: described throttling element is cylindrical structural, in damaged surface, offer inwardly recessed splitter box of some row, each row comprises several splitter boxs, between same row splitter box, by spacer, separated the position that adjacent two row stagger half splitter box length mutually; In each splitter box, be provided with two tap holes; The tap hole nearest apart from throttling element front end is directly communicated with hand-hole, two tap holes that are arranged in the splitter box that a rear tap hole of same splitter box and the previous tap hole of next splitter box flush with adjacent column with this tap hole align respectively and are communicated with, after identical with above of the connectivity structure of splitter box and tap hole.
3. high-pressure differential valve multistage throttle structure according to claim 2, is characterized in that: described tap hole is by the column body orientation column surface of throttling element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024129.1U CN203717948U (en) | 2014-01-15 | 2014-01-15 | High pressure difference valve multistage throttling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024129.1U CN203717948U (en) | 2014-01-15 | 2014-01-15 | High pressure difference valve multistage throttling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717948U true CN203717948U (en) | 2014-07-16 |
Family
ID=51157100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420024129.1U Expired - Fee Related CN203717948U (en) | 2014-01-15 | 2014-01-15 | High pressure difference valve multistage throttling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518513A (en) * | 2018-05-24 | 2018-09-11 | 杭州浙临阀门有限公司 | High temperature and pressure labyrinth adjusting valve |
-
2014
- 2014-01-15 CN CN201420024129.1U patent/CN203717948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518513A (en) * | 2018-05-24 | 2018-09-11 | 杭州浙临阀门有限公司 | High temperature and pressure labyrinth adjusting valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150115 |
|
| EXPY | Termination of patent right or utility model |