CN207814538U - High pressure check valve structure - Google Patents
High pressure check valve structure Download PDFInfo
- Publication number
- CN207814538U CN207814538U CN201721834624.9U CN201721834624U CN207814538U CN 207814538 U CN207814538 U CN 207814538U CN 201721834624 U CN201721834624 U CN 201721834624U CN 207814538 U CN207814538 U CN 207814538U
- Authority
- CN
- China
- Prior art keywords
- water pipe
- guide sleeve
- water
- spool
- high pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Check Valves (AREA)
Abstract
The utility model is related to high pressure check valve structures, including valve body, the spool being set in valve body, the valve body is by left valve barrel, right valve barrel is spirally connected composition, it is provided with water pipe A in the middle part of the left valve barrel, it is provided with water pipe B in the middle part of right valve barrel, spool guide sleeve is provided in the valve body, the spool that can be moved relative to spool guide sleeve axis is provided in spool guide sleeve, the water pipe B is stretched into spool guide sleeve inner end, the inner ends water pipe B side is provided with water hole, spool guide sleeve side is provided with water-carrying groove mouth, water-carrying groove mouth, water route is formed between water hole and the inner ends water pipe B periphery and spool guide sleeve inner wall, water pipe A, water pipe B, spool guide sleeve is concentric, the utility model realizes gas, the effect of liquid one-way flow, it is not only simple in structure, and it is less likely to be damaged failure, it is very low to produce maintenance cost.
Description
Technical field
The utility model is related to a kind of high pressure check valve structures.
Background technology
Traditional check (non-return) valve includes a valve body, a spool and a spring mechanism；Since spring mechanism is arranged in valve body and bullet
Between spring, active force when being closed due to spool is that spring mechanism provides, once the mechanism damages, then check (non-return) valve can cause liquid
Body intends the phenomenon that stream.In addition traditional check valve structure is more complicated, and space is big, and Costco Wholesale is high.
Invention content
The purpose of this utility model is to provide a kind of high pressure check valve structure.
Scheme is a kind of high pressure check valve structure used by the utility model solves technical problem, including valve body, setting
In the spool in valve body, the valve body is spirally connected by left valve barrel, right valve barrel and is constituted, and water pipe A, right valve are provided in the middle part of the left valve barrel
It is provided with water pipe B in the middle part of body, spool guide sleeve is provided in the valve body, being provided in spool guide sleeve can opposite spool guide sleeve axis
Mobile spool, the water pipe B are stretched into spool guide sleeve inner end, and the inner ends water pipe B side is provided with water hole, spool guide sleeve side
It is provided with water-carrying groove mouth, water route, water pipe are formed between water-carrying groove mouth, water hole and the inner ends water pipe B periphery and spool guide sleeve inner wall
A, water pipe B, spool guide sleeve are concentric.
Further, sealing ring is provided between left valve barrel and right valve barrel.
Further, water pipe A, water pipe B inner end be both provided with supporting rack.
Further, support frame as described above includes outer ring body, and decompression grid is arranged in outer ring body.
Further, the decompression grid is in cross.
Further, the water pipe A, water pipe B inner end be both provided with the annular groove for accommodating outer ring body, setting on the inside of annular groove
There is the notch for accommodating fixed decompression grid.
Further, the outer ring body is spirally connected with annular groove.
Further, the left valve barrel is provided with cyclic annular card slot in the inner ends water pipe A periphery, and c-type is provided in cyclic annular card slot
Circlip, c-type circlip is against supporting rack.
Compared with prior art, the utility model has the advantages that：Realize gas, liquid one-way flow work
With, be not only simple in structure, and be less likely to be damaged failure, production maintenance cost it is very low.
Description of the drawings
The utility model patent is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of check valve open state；
Fig. 2 is the structural schematic diagram of closed check valve state；
Fig. 3 is one-way valve structures exploded perspective view.
In figure：
1- water pipes A；2- left valve barrels；3- supporting racks；301- outer ring bodies；302- depressurizes grid；4-C type circlips；5- is close
Seal；6- spools；7- spool guide sleeves；8- water-carrying groove mouths；9- water pipes B；10- right valve barrels；11- water holes；12- annular grooves；13- slots
Mouthful.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
As shown in Figs. 1-3, a kind of high pressure check valve structure, including valve body, the spool 6 that is set in valve body, the valve body
It is spirally connected and is constituted by left valve barrel 2, right valve barrel 10,2 middle part of the left valve barrel is provided with water pipe A1, and 10 middle part of right valve barrel is provided with water pipe
B9 is provided with spool guide sleeve 7 in the valve body, and the spool 6 that can be moved relative to 7 axis of spool guide sleeve is provided in spool guide sleeve 7,
The water pipe B9 is stretched into spool guide sleeve 7 inner end, and the inner ends water pipe B9 side is provided with water hole 11, the setting of 7 side of spool guide sleeve
There is water-carrying groove mouth 8, water route, water are formed between water-carrying groove mouth 8, water hole 11 and the inner ends water pipe B9 periphery and 7 inner wall of spool guide sleeve
Pipe A1, water pipe B9, spool guide sleeve 7 are concentric.
In the present embodiment, water-carrying groove mouth 8,11 circumference uniform distribution of water hole and two are no less than.
In the present embodiment, in order to realize automatically reseting for spool 6, resetting spring, resetting spring can be set in valve body
Setting is in the spool guide sleeve 7 and is located at the inner ends water pipe B9 periphery, and resetting spring one end is against right valve barrel 10, and the other end is against spool
6, when resetting spring is in equilibrium state, spool 6 closes the inner ends water pipe A1.
In the present embodiment, sealing ring 5 is provided between left valve barrel 2 and right valve barrel 10.
In the present embodiment, water pipe A1, water pipe B9 inner end be both provided with supporting rack 3.
In the present embodiment, support frame as described above 3 includes outer ring body 301, and decompression grid 302, decompression are arranged in outer ring body 301
Grid 302 can prevent pressure is excessive so that the central raised deformation of spool 6 causes 6 side of spool can not closed valve.
In the present embodiment, the decompression grid 302 is in cross.
In the present embodiment, the water pipe A1, water pipe B9 inner end be both provided with accommodate outer ring body 301 annular groove 12,
12 inside of annular groove is provided with the notch 13 for accommodating fixed decompression grid 302.
In the present embodiment, the outer ring body 301 is spirally connected with annular groove 12.
In the present embodiment, the left valve barrel 2 is provided with cyclic annular card slot in the inner ends water pipe A1 periphery, is arranged in cyclic annular card slot
There is a c-type circlip 4, c-type circlip 4 is against supporting rack 3.
When closed state, spool 6 closes water pipe A1, and high pressure water or high pressure gas enter valve body by water pipe A1, and spool 6 is in water
Moved along spool guide sleeve 7 under the action of pressure and against the inner ends water pipe B9, into valve body water after water-carrying groove mouth 8 by cross the mouth of a river into
Oral siphon B9 outputs；When high pressure water or high pressure gas enter valve body by water pipe B9, spool 6 is led under the action of hydraulic pressure along spool
Set 7 moves and against the inner end water pipe A1, and valve body is closed, prevents from being reversely discharged.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (8)
1. a kind of high pressure check valve structure, it is characterised in that：Including valve body, the spool being set in valve body, the valve body is by a left side
Valve body, right valve barrel are spirally connected composition, and water pipe A is provided in the middle part of the left valve barrel, water pipe B, the valve body are provided in the middle part of right valve barrel
It is inside provided with spool guide sleeve, the spool that can be moved relative to spool guide sleeve axis is provided in spool guide sleeve, the water pipe B stretches inner end
Enter in spool guide sleeve, the inner ends water pipe B side is provided with water hole, and spool guide sleeve side is provided with water-carrying groove mouth, water-carrying groove mouth, mistake
Water route is formed between water hole and the inner ends water pipe B periphery and spool guide sleeve inner wall, water pipe A, water pipe B, spool guide sleeve are concentric.
2. high pressure check valve structure according to claim 1, it is characterised in that：It is provided between left valve barrel and right valve barrel close
Seal.
3. high pressure check valve structure according to claim 1, it is characterised in that：Water pipe A, water pipe B inner end be both provided with
Supporting rack.
4. high pressure check valve structure according to claim 3, it is characterised in that：Support frame as described above includes outer ring body, outer shroud
The grid of setting decompression in vivo.
5. high pressure check valve structure according to claim 4, it is characterised in that：The decompression grid is in cross.
6. high pressure check valve structure according to claim 4 or 5, it is characterised in that：The inner end of the water pipe A, water pipe B
It is both provided with the annular groove for accommodating outer ring body, the notch for accommodating fixed decompression grid is provided on the inside of annular groove.
7. high pressure check valve structure according to claim 6, it is characterised in that：The outer ring body is spirally connected with annular groove.
8. high pressure check valve structure according to claim 6, it is characterised in that：The left valve barrel is in the inner ends water pipe A periphery
It is provided with cyclic annular card slot, is provided with c-type circlip in cyclic annular card slot, c-type circlip is against supporting rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721834624.9U CN207814538U (en) | 2017-12-25 | 2017-12-25 | High pressure check valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721834624.9U CN207814538U (en) | 2017-12-25 | 2017-12-25 | High pressure check valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814538U true CN207814538U (en) | 2018-09-04 |
Family
ID=63330851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721834624.9U Expired - Fee Related CN207814538U (en) | 2017-12-25 | 2017-12-25 | High pressure check valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990028A (en) * | 2017-12-25 | 2018-05-04 | 厦门大学嘉庚学院 | High pressure check valve structure and method of work |
-
2017
- 2017-12-25 CN CN201721834624.9U patent/CN207814538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990028A (en) * | 2017-12-25 | 2018-05-04 | 厦门大学嘉庚学院 | High pressure check valve structure and method of work |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20201225 |