CN107869603A - Low pressure check valve and its method of work - Google Patents
Low pressure check valve and its method of work Download PDFInfo
- Publication number
- CN107869603A CN107869603A CN201711396182.9A CN201711396182A CN107869603A CN 107869603 A CN107869603 A CN 107869603A CN 201711396182 A CN201711396182 A CN 201711396182A CN 107869603 A CN107869603 A CN 107869603A
- Authority
- CN
- China
- Prior art keywords
- deep gouge
- flange
- valve element
- low pressure
- convex
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of low pressure check valve and its method of work, wherein low pressure check valve includes two relative fitting settings and first flange and second flange with through hole, the first flange, second flange is respectively equipped with the first deep gouge and the second deep gouge on relative face, holding has valve element 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 valve element convex wing corresponding matching, the bottom surface of first deep gouge is provided with convex annulus, the second deep gouge bottom surface is provided with round recessed, the valve element is plate-like, edge has the convex wing of array within its week, the first side of tabular valve element is plane, second side has toroidal cavity, the toroidal cavity and the convex annulus corresponding matching of the first deep gouge bottom surface, the toroidal cavity side is provided with the passage connected with valve element first side.Apparatus of the present invention make product one-piece parts it is few, it is simple in construction, assembling it is easy, cheap, economical and practical.
Description
Technical field：
The present invention relates to a kind of low pressure check valve and its method of work.
Background technology：
Traditional check (non-return) valve includes a valve body, a valve element and a spring mechanism；Due to spring mechanism be arranged on valve body and spring it
Between, active force when being closed due to valve element is provided by spring mechanism, once the mechanism damages, then check (non-return) valve can cause liquid to intend
The phenomenon of stream；And traditional check valve structure is more complicated, and space is big, and Costco Wholesale is higher.
The content of the invention：
The purpose of the present invention is to be to provide a kind of low pressure check valve and its method of work, and the low pressure check valve is simple in construction, sets
Meter is reasonable, advantageously reduces manufacture maintenance cost, and improve its non-return effect.
Low pressure check valve of the present invention, it is characterised in that：Set including two relative fittings and there is the first flange of through hole
And second flange, it is respectively equipped with the first deep gouge and the second deep gouge on the relative face of the first flange, second flange, described first
Holding has valve element in deep gouge and the second deep gouge, and the side wall array of first deep gouge and the second deep gouge has match somebody with somebody corresponding with valve element convex wing
The recessed groove of conjunction, the bottom surface of first deep gouge are provided with convex annulus, and the second deep gouge bottom surface is provided with round recessed, the valve element
Plate-like, edge has the convex wing of array within its week, and the first side of tabular valve element is plane, and second side has toroidal cavity,
The toroidal cavity and the convex annulus corresponding matching of the first deep gouge bottom surface, the toroidal cavity side are provided with and valve element the
The passage of one side connection.
Further, above-mentioned first deep gouge and the second deep gouge are circular deep gouge, and recessed groove is trapezoidal, the convex wing namely
It is trapezoidal.
Further, above-mentioned passage is located at the bottom between convex wing two-by-two, the passage by the outside of toroidal cavity along valve
Core second side surface, the two-by-two bottom between convex wing, until valve element 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
Annular deep gouge road.
Further, above-mentioned first flange and second flange circumference, which goes into battle to show, perforates and is located in the fastening spiral shell in perforating
Bolt.
Further, above-mentioned valve element has axial 2MM gap between the first deep gouge and the second deep gouge.
The method of work of low pressure check valve of the present invention, it is characterised in that：The low pressure check valve includes two relative fittings
Set and there is the first flange and second flange of through hole, is respectively equipped with the relative face of the first flange, second flange
One deep gouge and the second deep gouge, in first deep gouge and the second deep gouge holding have valve element, first deep gouge and the second deep gouge
Side wall array has a recessed groove with valve element convex wing corresponding matching, and the bottom surface of first deep gouge is provided with convex annulus, and described second
Deep gouge bottom surface is provided with round recessed, and the valve element is plate-like, and its week, the first side of tabular valve element was flat along the convex wing with array
Face, second side has the convex annulus corresponding matching of toroidal cavity, the toroidal cavity and the first deep gouge bottom surface, described
Toroidal cavity side is provided with the passage connected with valve element first side；During installation, first by first flange and second flange
Outer end connects gas, liquid by pipe respectively, then by valve element be placed on first flange and second flange first and second deep gouge it
Between, and ensure that the first side of valve element is directed towards the second deep gouge, then first flange and second flange are connected；Work
When, after gas, liquid enter in first flange, promoting valve element, now gas, fluid pressure get over high thrust close to second flange
Bigger, opening is bigger, and gas and water stream is faster, and gas and water stream is entered in second flange by valve element, because second flange is openning shape
State, air-liquid stream just pass through second flange；Opposite, after gas, liquid enter in second flange, then in the promotion of air-liquid stream
Under, valve element seals, now gas, fluid pressure more high thrust are bigger, seal better, gas and water stream close to first flange
It is more difficult to pass through.
Compared with prior art, the present invention has advantages below：
1. apparatus of the present invention are used cooperatively using valve element and first flange, second flange, make that product one-piece parts are few, structure
Simply, assemble easy, cheap, economical and practical；
2. apparatus of the present invention non-return effect is good, is quick on the draw, good seal performance, sealing intensity with gas, fluid pressure increase
And increase；
3. being easy to repair, service life length, failure and spoilage are very low.
Brief description of the drawings：
Fig. 1 is outline drawing of the present invention；
Fig. 2 is Fig. 1 sectional stereogram；
Fig. 3-5 is the explosive view of Fig. 1 different visual angles.
Embodiment：
The inventive method is described in further detail with reference to embodiment.It should be strongly noted that the guarantor of the present invention
Shield scope should include but is not limited to the technology contents disclosed in the present embodiment.
Low pressure check valve of the present invention includes two relative fittings and sets and have the first flange 1 and second flange 2 of through hole,
The first deep gouge 3 and the second deep gouge 4, the He of the first deep gouge 3 are respectively equipped with the relative face of the first flange 1, second flange 2
Holding has a valve element 5 in second deep gouge 4, and the side wall array of the deep gouge 4 of the first deep gouge 3 and second has corresponding with the convex wing 501 of valve element 5
The recessed groove 301,401 of cooperation, the bottom surface of first deep gouge are provided with convex annulus 302, and the second deep gouge bottom surface is provided with circle
Groove 402, the valve element 5 is plate-like, and edge has the convex wing 501 of array within its week, and the first side 502 of tabular valve element is plane,
Second side 503 has a toroidal cavity 504, and the toroidal cavity 504 is corresponding with the convex annulus 302 of the first deep gouge bottom surface
Coordinate, the toroidal cavity side is provided with the passage 505 connected with valve element first side.
Further, in order to reasonable in design, convenient processing and manufacture, above-mentioned first deep gouge and the second deep gouge are circular heavy
Groove, recessed groove is trapezoidal, the convex wing namely trapezoidal.
Further, in order to it is reasonable in design, stability is high, above-mentioned passage 505 is located at the bottom between convex wing two-by-two, described
Passage by the outside of toroidal cavity along valve element second side surface, the bottom between convex wing two-by-two, until valve element 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
Annular deep gouge road 7.
Further, above-mentioned first flange and second flange circumference, which is gone into battle, shows perforation 8 and is located in the fastening in perforating
Bolt 9.
Further, above-mentioned valve element has axial 2MM gap between the first deep gouge and the second deep gouge.
The method of work of low pressure check valve of the present invention, the low pressure check valve include two relative fittings and set and with logical
The first flange and second flange in hole, the first flange, second flange are respectively equipped with the first deep gouge and second on relative face
Deep gouge, in first deep gouge and the second deep gouge holding have a valve element, the side wall array of first deep gouge and the second deep gouge have with
The recessed groove of valve element convex wing corresponding matching, the bottom surface of first deep gouge are provided with convex annulus, and the second deep gouge bottom surface is provided with
Round recessed, the valve element is plate-like, and its week, the first side of tabular valve element was plane, second side along the convex wing with array
With toroidal cavity, the convex annulus corresponding matching of the toroidal cavity and the first deep gouge bottom surface, the toroidal cavity
Side is provided with the passage connected with valve element first side；During installation, the outer end of first flange and second flange is connected respectively first
Gas, liquid are connect by pipe, then valve element is placed between first flange and first and second deep gouge of second flange, and ensures
The first side of valve element is directed towards the second deep gouge, and then first flange and second flange are connected；During work, when gas,
After liquid enters in first flange, promoting valve element, now gas, fluid pressure more high thrust are bigger, opening close to second flange
Bigger, gas and water stream is faster, and gas and water stream is entered in second flange by valve element, because second flange is open state, air-liquid stream
Just pass through second flange；Opposite, after gas, liquid enter in second flange, then under the promotion of air-liquid stream, valve element leans on
Nearly first flange, seals, and now gas, fluid pressure more high thrust are bigger, and sealing is better, and gas and water stream is more difficult to pass through.
Compared with prior art, the present invention has advantages below：
1. apparatus of the present invention are used cooperatively using valve element and first flange, second flange, make that product one-piece parts are few, structure
Simply, assemble easy, cheap, economical and practical；
2. apparatus of the present invention non-return effect is good, is quick on the draw, good seal performance, sealing intensity with gas, fluid pressure increase
And increase；
3. being easy to repair, service life length, failure and spoilage are very low.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, it should all belong to the covering scope of the present invention.
Claims (7)
- A kind of 1. low pressure check valve, it is characterised in that：Set including two relative fittings and the first flanges with through hole and the Two flanges, the first deep gouge and the second deep gouge, first deep gouge are respectively equipped with the relative face of the first flange, second flange There is valve element with holding in the second deep gouge, the side wall array of first deep gouge and the second deep gouge has and valve element convex wing corresponding matching Recessed groove, the bottom surface of first deep gouge are provided with convex annulus, and the second deep gouge bottom surface is provided with round recessed, and the valve element is in plate Shape, its week, the first side of tabular valve element was plane, and second side has toroidal cavity, described along the convex wing with array Toroidal cavity and the convex annulus corresponding matching of the first deep gouge bottom surface, the toroidal cavity side are provided with and the side of valve element first The passage 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 passage is located at the bottom between convex wing two-by-two Portion, the passage by the outside of toroidal cavity along valve element second side surface, the bottom between convex wing two-by-two, until valve element 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 annular deep gouge road on the circular bosses.
- 5. low pressure check valve according to claim 1, it is characterised in that：First flange and the second flange circumference is gone into battle Show perforation and the fastening bolt being located in perforation.
- 6. low pressure check valve according to claim 1, it is characterised in that：The valve element is located at the first deep gouge and the second deep gouge Between have axial 2MM gap.
- A kind of 7. method of work of low pressure check valve, it is characterised in that：The low pressure check valve includes two relative fittings and set And there is the first flange and second flange of through hole, it is heavy that first is respectively equipped with the relative face of the first flange, second flange Groove and the second deep gouge, in first deep gouge and the second deep gouge holding have valve element, the side wall of first deep gouge and the second deep gouge Array has the recessed groove with valve element convex wing corresponding matching, and the bottom surface of first deep gouge is provided with convex annulus, second deep gouge Bottom surface is provided with round recessed, and the valve element is plate-like, and edge has the convex wing of array within its week, and the first side of tabular valve element is plane, Second side has the convex annulus corresponding matching of toroidal cavity, the toroidal cavity and the first deep gouge bottom surface, the circle Annular groove side is provided with the passage connected with valve element first side；During installation, first by the outer of first flange and second flange End connects gas, liquid by pipe respectively, then by valve element be placed on first flange and second flange first and second deep gouge it Between, and ensure that the first side of valve element is directed towards the second deep gouge, then first flange and second flange are connected；Work When, after gas, liquid enter in first flange, promoting valve element, now gas, fluid pressure get over high thrust close to second flange Bigger, opening is bigger, and gas and water stream is faster, and gas and water stream is entered in second flange by valve element, because second flange is openning shape State, air-liquid stream just pass through second flange；Opposite, after gas, liquid enter in second flange, then in the promotion of air-liquid stream Under, valve element seals, now gas, fluid pressure more high thrust are bigger, seal better, gas and water stream close to first flange It is more difficult to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396182.9A CN107869603B (en) | 2017-12-21 | 2017-12-21 | Low-pressure one-way valve and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396182.9A CN107869603B (en) | 2017-12-21 | 2017-12-21 | Low-pressure one-way valve and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107869603A true CN107869603A (en) | 2018-04-03 |
| CN107869603B CN107869603B (en) | 2023-08-04 |
Family
ID=61756218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711396182.9A Active CN107869603B (en) | 2017-12-21 | 2017-12-21 | Low-pressure one-way valve and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107869603B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10252910A (en) * | 1997-03-14 | 1998-09-22 | Tlv Co Ltd | Spring energizing disk type check valve |
| JP3005215B1 (en) * | 1998-12-24 | 2000-01-31 | 石川島検査計測株式会社 | Check valve |
| US20140014213A1 (en) * | 2012-07-12 | 2014-01-16 | Confluent Surgical, Inc. | Applicator Assembly with Integral Check-Valve |
| CN203500586U (en) * | 2013-09-10 | 2014-03-26 | 任利民 | Damping check valve |
| CN203718052U (en) * | 2013-12-17 | 2014-07-16 | 铜陵新创流体科技有限公司 | Inner drum check valve structure |
| CN204176042U (en) * | 2014-09-10 | 2015-02-25 | 广东韶钢松山股份有限公司 | A kind of high pressure water tubular type one-way valve |
| CN205859257U (en) * | 2016-07-21 | 2017-01-04 | 金川集团股份有限公司 | A kind of split type non-return valve |
| CN106641346A (en) * | 2016-11-29 | 2017-05-10 | 厦门大学嘉庚学院 | Check valve and assembling method thereof |
| CN207687417U (en) * | 2017-12-21 | 2018-08-03 | 厦门大学嘉庚学院 | Low pressure check valve |
-
2017
- 2017-12-21 CN CN201711396182.9A patent/CN107869603B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10252910A (en) * | 1997-03-14 | 1998-09-22 | Tlv Co Ltd | Spring energizing disk type check valve |
| JP3005215B1 (en) * | 1998-12-24 | 2000-01-31 | 石川島検査計測株式会社 | Check valve |
| US20140014213A1 (en) * | 2012-07-12 | 2014-01-16 | Confluent Surgical, Inc. | Applicator Assembly with Integral Check-Valve |
| CN203500586U (en) * | 2013-09-10 | 2014-03-26 | 任利民 | Damping check valve |
| CN203718052U (en) * | 2013-12-17 | 2014-07-16 | 铜陵新创流体科技有限公司 | Inner drum check valve structure |
| CN204176042U (en) * | 2014-09-10 | 2015-02-25 | 广东韶钢松山股份有限公司 | A kind of high pressure water tubular type one-way valve |
| CN205859257U (en) * | 2016-07-21 | 2017-01-04 | 金川集团股份有限公司 | A kind of split type non-return valve |
| CN106641346A (en) * | 2016-11-29 | 2017-05-10 | 厦门大学嘉庚学院 | Check valve and assembling method thereof |
| CN207687417U (en) * | 2017-12-21 | 2018-08-03 | 厦门大学嘉庚学院 | Low pressure check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107869603B (en) | 2023-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2422120B1 (en) | Flowline flapper valve | |
| RU2635746C1 (en) | Valve seat ring and multi-way valve having valve seat ring | |
| KR20140085042A (en) | Device for connecting pipe | |
| CN207687417U (en) | Low pressure check valve | |
| CN107869603A (en) | Low pressure check valve and its method of work | |
| CN204060965U (en) | The Hermetical connecting structure of a kind of engine cylinder cover and suction tude | |
| CN204140974U (en) | A kind of screw down nonreturn valve | |
| CN202901624U (en) | Eccentric reducing joint with sealing ring | |
| CN204042238U (en) | A kind of composite type connector lug | |
| CN104048044B (en) | Rise ring-like fast opening blind | |
| CN103291388A (en) | Compression sleeve seal | |
| RU61828U1 (en) | SEMI-HOUSING VALVE LATCH AND VALVE LATCH | |
| CN101598252A (en) | The elastic pawl that is used for pipeline, valve and valve seat and spool is connected sealing configuration | |
| CN205805488U (en) | A kind of self sealss pumping blowout-preventing box | |
| CN204127530U (en) | A kind of flange sealer | |
| CN218523072U (en) | Two-position three-way valve core assembly | |
| KR20200098358A (en) | Ball valve having enhanced sealing performance | |
| CN204611024U (en) | The valve of the seal ring with self-tightening sealing | |
| CN219472859U (en) | Pigging valve body | |
| CN204175238U (en) | Stage cementing device | |
| CN206290218U (en) | Side seal hammering union | |
| CN219101280U (en) | Sand setting device for backwashing well | |
| CN219866730U (en) | Hard sealing structure for steering gear | |
| CN207178680U (en) | Metal o-ring on water supply ductile iron pipe | |
| CN2643111Y (en) | A widebore special purpose valve for PVC pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |