CN207687417U - Low pressure check valve - Google Patents
Low pressure check valve Download PDFInfo
- Publication number
- CN207687417U CN207687417U CN201721804663.4U CN201721804663U CN207687417U CN 207687417 U CN207687417 U CN 207687417U CN 201721804663 U CN201721804663 U CN 201721804663U CN 207687417 U CN207687417 U CN 207687417U
- Authority
- CN
- China
- Prior art keywords
- deep gouge
- spool
- flange
- low pressure
- check valve
- 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 a kind of low pressure check valves, it is arranged including two opposite fittings and there is the first flange and second flange of through-hole, the first flange, second flange is respectively equipped with the first deep gouge and the second deep gouge on opposite face, holding has spool in first deep gouge and the second deep gouge, the side wall array of first deep gouge and the second deep gouge has the recessed groove with spool convex wing corresponding matching, the bottom surface of first deep gouge is equipped with convex annulus, second deep gouge bottom surface is equipped with round recessed, the spool is plate-like, its week is along the convex wing with array, the first side of plate spool is plane, second side has toroidal cavity, the convex annulus corresponding matching of the toroidal cavity and the first deep gouge bottom surface, the toroidal cavity side is equipped with the channel being connected to spool first side.Utility model device make product one-piece parts it is few, it is simple in structure, assembly it is easy, cheap, economical and practical.
Description
Technical field：
The utility model is related to a kind of low pressure check valves.
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 provided by spring mechanism, once the mechanism damages, then check (non-return) valve can cause liquid
Body intends the phenomenon that stream；And traditional check valve structure is more complicated, and space is big, and Costco Wholesale is higher.
Invention content：
The purpose of this utility model is to be to provide a kind of low pressure check valve, and the low pressure check valve is simple in structure, design is closed
Reason, advantageously reduces manufacture maintenance cost, and improve its non-return effect.
The utility model low pressure check valve, it is characterised in that：It is arranged and has the first of through-hole including two opposite fittings
Flange and second flange are respectively equipped with the first deep gouge and the second deep gouge on the opposite face of the first flange, second flange, described
Holding has a spool in first deep gouge and the second deep gouge, and the side wall array of first deep gouge and the second deep gouge has and spool convex wing pair
The bottom surface of the recessed groove that should coordinate, first deep gouge is equipped with convex annulus, and second deep gouge bottom surface is equipped with round recessed, described
Spool is plate-like, and week, the first side of plate spool was plane, and second side has circular ring shape recessed along the convex wing with array
The convex annulus corresponding matching of slot, the toroidal cavity and the first deep gouge bottom surface, the toroidal cavity side is equipped with and valve
The channel of core first side connection.
Further, above-mentioned first deep gouge and the second deep gouge are round deep gouge, and recessed groove is trapezoidal, the convex wing namely
It is trapezoidal.
Further, above-mentioned channel is located at the bottom between convex wing two-by-two, and the channel is by toroidal cavity outside along valve
Core second side surface, the two-by-two bottom between convex wing, until spool first side Surface Subsidence.
Further, the lateral surface of above-mentioned first flange and second flange is equipped with circular bosses, has on the circular bosses
Circular ring shape deep gouge road.
Further, above-mentioned first flange and second flange circumference, which go into battle to show, perforates and is threaded through the fastening spiral shell in perforating
Bolt.
Further, above-mentioned spool gap with axial direction 2MM between the first deep gouge and the second deep gouge.
The working method of the utility model low pressure check valve, the low pressure check valve include that two opposite fittings are arranged and have
Have the first flange and second flange of through-hole, be respectively equipped on the opposite face of the first flange, second flange the first deep gouge and
Second deep gouge, in first deep gouge and the second deep gouge holding have spool, the side wall array of first deep gouge and the second deep gouge
There are the recessed groove with spool convex wing corresponding matching, the bottom surface of first deep gouge to be equipped with convex annulus, second deep gouge bottom surface
Equipped with round recessed, the spool is plate-like, and week, the first side of plate spool was plane along the convex wing with array, and second
Side has toroidal cavity, the convex annulus corresponding matching of the toroidal cavity and the first deep gouge bottom surface, the circular ring shape
Groove side is equipped with the channel being connected to spool first side；When installation, first by the outer end of first flange and second flange point
Not Lian Jie gas, liquid by pipe, then spool is placed between first flange and the first and second deep gouge of second flange, and
Ensure that the first side of spool is directed towards the second deep gouge, is then connected and fixed first flange and second flange；When work, work as gas
After body, liquid enter in first flange, push spool close to second flange, gas, fluid pressure more high thrust are bigger at this time, open
Mouth is bigger, and gas and water stream is faster, and gas and water stream is entered by spool in second flange, since second flange is open state, air-liquid
Stream just passes through second flange；Opposite, after gas, liquid enter in second flange, then under the promotion of air-liquid stream, spool
It close to first flange, seals, gas, fluid pressure more high thrust are bigger at this time, and sealing is better, and gas and water stream is more difficult to lead to
It crosses.
Compared with prior art, the utility model has the following advantages：
1. utility model device is used cooperatively using spool and first flange, second flange, make product one-piece parts
Less, simple in structure, assembly it is easy, cheap, economical and practical；
2. utility model device non-return effect is good, is quick on the draw, good seal performance, sealing intensity is with gas, liquid pressure
The increase of power and increase；
3. easy to repair, service life is long, and failure and spoilage are very low.
Description of the drawings：
Fig. 1 is the utility model outline drawing；
Fig. 2 is the sectional stereogram of Fig. 1；
Fig. 3-5 is the explosive view of Fig. 1 different visual angles.
Specific implementation mode：
The utility model method is described in further detail with reference to embodiment.It should be strongly noted that this
The protection domain of utility model should include but not limited to the technology contents disclosed in the present embodiment.
The utility model low pressure check valve includes that two opposite fittings are arranged and have the first flange 1 and the second method of through-hole
Orchid 2 is respectively equipped with the first deep gouge 3 and the second deep gouge 4 on the opposite face of the first flange 1, second flange 2, and described first is heavy
Holding has spool 5, the side wall array of first deep gouge, 3 and second deep gouge 4 to have and 5 convex wing of spool in slot 3 and the second deep gouge 4
The bottom surface of the recessed groove 301,401 of 501 corresponding matchings, first deep gouge is equipped with convex annulus 302, second deep gouge bottom surface
Equipped with round recessed 402, the spool 5 is plate-like, convex wing 501 of the week edge with array, and the first side 502 of plate spool is
Plane, second side 503 have toroidal cavity 504, the convex annulus of the toroidal cavity 504 and the first deep gouge bottom surface
302 corresponding matchings, the toroidal cavity side are equipped with the channel 505 being connected to spool first side.
Further, for reasonable design, convenient processing and manufacture, above-mentioned first deep gouge and the second deep gouge are round heavy
Slot, recessed groove is trapezoidal, the convex wing namely trapezoidal.
Further, in order to which reasonable design, stability are high, above-mentioned channel 505 is located at the bottom between convex wing two-by-two, described
Channel by the outside of toroidal cavity along spool second side surface, the bottom between convex wing two-by-two, until spool first side table
Face sinks.
Further, the lateral surface of above-mentioned first flange and second flange is equipped with circular bosses 6, has on the circular bosses
Circular ring shape deep gouge road 7.
Further, above-mentioned first flange and second flange circumference, which are gone into battle, shows perforation 8 and is threaded through the fastening in perforating
Bolt 9.
Further, above-mentioned spool gap with axial direction 2MM between the first deep gouge and the second deep gouge.
The working method of the utility model low pressure check valve, the low pressure check valve include that two opposite fittings are arranged and have
Have the first flange and second flange of through-hole, be respectively equipped on the opposite face of the first flange, second flange the first deep gouge and
Second deep gouge, in first deep gouge and the second deep gouge holding have spool, the side wall array of first deep gouge and the second deep gouge
There are the recessed groove with spool convex wing corresponding matching, the bottom surface of first deep gouge to be equipped with convex annulus, second deep gouge bottom surface
Equipped with round recessed, the spool is plate-like, and week, the first side of plate spool was plane along the convex wing with array, and second
Side has toroidal cavity, the convex annulus corresponding matching of the toroidal cavity and the first deep gouge bottom surface, the circular ring shape
Groove side is equipped with the channel being connected to spool first side；When installation, first by the outer end of first flange and second flange point
Not Lian Jie gas, liquid by pipe, then spool is placed between first flange and the first and second deep gouge of second flange, and
Ensure that the first side of spool is directed towards the second deep gouge, is then connected and fixed first flange and second flange；When work, work as gas
After body, liquid enter in first flange, push spool close to second flange, gas, fluid pressure more high thrust are bigger at this time, open
Mouth is bigger, and gas and water stream is faster, and gas and water stream is entered by spool in second flange, since second flange is open state, air-liquid
Stream just passes through second flange；Opposite, after gas, liquid enter in second flange, then under the promotion of air-liquid stream, spool
It close to first flange, seals, gas, fluid pressure more high thrust are bigger at this time, and sealing is better, and gas and water stream is more difficult to lead to
It crosses.
Compared with prior art, the utility model has the following advantages：
1. utility model device is used cooperatively using spool and first flange, second flange, make product one-piece parts
Less, simple in structure, assembly it is easy, cheap, economical and practical；
2. utility model device non-return effect is good, is quick on the draw, good seal performance, sealing intensity is with gas, liquid pressure
The increase of power and increase；
3. easy to repair, service life is long, and failure and spoilage are very low.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the claims it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (6)
1. a kind of low pressure check valve, it is characterised in that：It is arranged including two opposite fittings and the first flanges with through-hole and the
Two flanges are respectively equipped with the first deep gouge and the second deep gouge, first deep gouge on the opposite face of the first flange, second flange
There is a spool with holding in the second deep gouge, the side wall array of first deep gouge and the second deep gouge has and spool convex wing corresponding matching
The bottom surface of recessed groove, first deep gouge is equipped with convex annulus, and second deep gouge bottom surface is equipped with round recessed, and the spool is in plate
Shape, week, the first side of plate spool was plane, and second side has toroidal cavity, described along the convex wing with array
The convex annulus corresponding matching of toroidal cavity and the first deep gouge bottom surface, the toroidal cavity side are equipped with and the first side of spool
The channel of face connection.
2. low pressure check valve according to claim 1, it is characterised in that：First deep gouge and the second deep gouge are circle
Deep gouge, recessed groove is trapezoidal, the convex wing namely trapezoidal.
3. low pressure check valve according to claim 1, it is characterised in that：The channel is located at the bottom between convex wing two-by-two
Portion, the channel by the outside of toroidal cavity along spool second side surface, the bottom between convex wing two-by-two, until spool first
Side surface is sunk.
4. low pressure check valve according to claim 1, it is characterised in that：The lateral surface of the first flange and second flange
Circular bosses are equipped with, there is circular ring shape deep gouge road on the circular bosses.
5. low pressure check valve according to claim 1, it is characterised in that：The first flange and second flange circumference are gone into battle
The fastening bolt shown perforation and be threaded through in perforation.
6. low pressure check valve according to claim 1, it is characterised in that：The spool is located at the first deep gouge and the second deep gouge
Between with axial direction 2MM gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804663.4U CN207687417U (en) | 2017-12-21 | 2017-12-21 | Low pressure check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804663.4U CN207687417U (en) | 2017-12-21 | 2017-12-21 | Low pressure check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687417U true CN207687417U (en) | 2018-08-03 |
Family
ID=62994972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804663.4U Expired - Fee Related CN207687417U (en) | 2017-12-21 | 2017-12-21 | Low pressure check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869603A (en) * | 2017-12-21 | 2018-04-03 | 厦门大学嘉庚学院 | Low pressure check valve and its method of work |
-
2017
- 2017-12-21 CN CN201721804663.4U patent/CN207687417U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869603A (en) * | 2017-12-21 | 2018-04-03 | 厦门大学嘉庚学院 | Low pressure check valve and its method of work |
| CN107869603B (en) * | 2017-12-21 | 2023-08-04 | 厦门大学嘉庚学院 | Low-pressure one-way valve and working method thereof |
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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: 20180803 Termination date: 20201221 |