CN107289159A - Check-valves - Google Patents
Check-valves Download PDFInfo
- Publication number
- CN107289159A CN107289159A CN201710652660.1A CN201710652660A CN107289159A CN 107289159 A CN107289159 A CN 107289159A CN 201710652660 A CN201710652660 A CN 201710652660A CN 107289159 A CN107289159 A CN 107289159A
- Authority
- CN
- China
- Prior art keywords
- valve
- connecting portion
- valve pocket
- check
- groove
- 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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
Abstract
The present embodiments relate to a kind of check-valves, including：Valve pocket, including valve sleeve body；Valve pocket neck, positioned at valve sleeve body madial wall；Spacing collar, the madial wall before valve pocket neck；Valve pocket seal groove, positioned at valve pocket two ends；First sealing ring, is contained in valve pocket seal groove；Valve body includes：Locating ring, with being supported on the inside of spacing collar, top is provided with the first groove, and inner side has the second groove；Second sealing ring, is contained in the first groove of locating ring；Barrier piece, with through hole, is plugged in the second groove；Valve body cutting ferrule, on the inside of barrier piece, is mutually supported with the buckle circle of valve body cutting ferrule lateral wall；Valve element includes：First connecting portion includes top and head rod, and top is supported in the through hole of barrier piece；Second connecting portion includes the fix bar and the second connecting rod interconnected, and fix bar is mutually fixed with valve body cutting ferrule；Head rod is socketed in the second connecting rod；Spring is socketed on the outside of the second connecting rod.
Description
Technical field
The present invention relates to supply equipment field, more particularly to a kind of check-valves.
Background technology
At present in the check-valves that oval flange pump discharge is installed, the technology of use is the non-return of internal thread screwed connection
Valve, connection needs increase various to pipe fittings such as silk, loose joints before and after it.In order to realize the sealing purpose of threaded connection, it is necessary to process
The special sealing taper pipe thread of manufacture, while needing to wind the rope made of hemp and raw material band at screw thread.Above product still have compared with
The processing of many problem and shortage, especially taper pipe thread, the unqualified sealing effectiveness that easily causes of machining accuracy is poor, installation difficulty, holds
Easy leak.For many pump groups into supply equipment, safeguarded if check-valves is damaged, it is necessary to dismantle main pipe rail, pole
Big adds maintenance cost and difficulty.
The content of the invention
It is an object of the invention to provide a kind of check-valves, by the technical program, it can not only solve to pacify in production process
Dress is complicated, sealing is poor, the easy phenomenon such as leak after assembling, while can also solve to safeguard that inconvenient, labor intensity is big etc. in fact
Border problem.
To solve the problem of prior art is present, the invention provides a kind of check-valves, the check-valves includes：
Valve pocket, the valve pocket includes：
Valve sleeve body；
Valve pocket neck, positioned at the circumferential position of the madial wall of the valve sleeve body；
Spacing collar, positioned at the inner side tube wall of the valve sleeve body, and before valve pocket neck；
Valve pocket seal groove, the circumferential position positioned at the valve pocket two ends；
First sealing ring, is contained in the valve pocket seal groove, and is mutually supported with the flange of external pipe；
Valve body, the valve body includes：
Locating ring, is supported in the valve sleeve body inner end, and with being supported on the inside of the spacing collar, the locating ring top
The first groove is provided with the outside of portion, inner side has the second groove；
Second sealing ring, is contained in the first groove of the locating ring, for the locating ring and valve sleeve body and limit
Sealing between the circle of position；
Barrier piece, with through hole, is plugged in the second groove on the inside of the locating ring, and with the external pipe
The mouth of pipe is mutually supported, for the sealing between pipeline and valve body；
Valve body cutting ferrule, on the inside of the barrier piece, and the valve body cutting ferrule lateral wall is provided with buckle circle, the buckle circle with
The valve pocket neck is mutually supported and fixed；One end of the valve body cutting ferrule is also provided with shaft core pilot hole；
Valve element, including spring, the first connecting portion and second connecting portion of interconnection；
The first connecting portion includes top and head rod, and the through hole in the barrier piece is supported in the top
Place；
The second connecting portion includes the fix bar and the second connecting rod interconnected, the fix bar and the valve body card
Set is mutually fixed；The head rod is socketed in second connecting rod；
The spring is socketed on the outside of second connecting rod, one end with being supported in the top, the other end with it is described
Supported inside fix bar；
When current are flowed into by the through hole of the barrier piece, water is applied to the top of the first connecting portion of the valve element
Pressure, the head rod of the first connecting portion resists pressure positive slip inside second connecting rod of the spring,
Water is flowed into from by the through hole of the barrier piece, and enters follow-up external pipe；
When no current by when, under the pressure of the spring, the head rod of the first connecting portion is described
Support in the through hole reverse slide in second connecting rod, the top.
Further, the valve pocket seal groove is " o " type seal groove, and first sealing ring is " o " type sealing ring.
Further, the barrier piece is arranged on water inlet, and the barrier piece is labyrinth type sealing ring.
Further, the valve body cutting ferrule is circumferential equally distributed gusset.
Further, the quantity of the gusset is 4.
Check-valves provided in an embodiment of the present invention, can solve to install that complicated, sealing is poor in production process, appearance after assembling
The problems such as easy leak, while can also realize that easy to maintenance, the purpose such as reduce labor intensity.
Brief description of the drawings
Fig. 1 is the schematic diagram of closure of check ring state provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of check-valves working condition provided in an embodiment of the present invention；
Fig. 3 is the partial schematic diagram of the valve body cutting ferrule of check-valves provided in an embodiment of the present invention.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
Check-valves provided in an embodiment of the present invention includes valve pocket 1 and valve body 2, and valve pocket 1 includes valve pocket neck 12, and valve body 2 is wrapped
The buckle included on valve body cutting ferrule 23, valve body cutting ferrule 23 connects with valve pocket neck 12, and valve body 2 is connected on valve pocket 1.Valve body 2 is also
Including valve element 24, and valve element 24 includes first connecting portion 241, second connecting portion 242 and spring 243, and the of first connecting portion 241
One connecting rod is plugged in the second connecting rod of second connecting portion 242, and spring 243 is socketed in the second connecting rod.When there is current
It is fashionable, pressure is applied to first connecting portion 241, water inlet is opened, when hydraulic pressure reduces, the resilience of spring 243 compressed, by the
One connecting portion 241 is reset to water inlet, and the water that inlet seal prevents outlet conduit is back into inlet channel.
Fig. 1 is the schematic diagram of closure of check ring state provided in an embodiment of the present invention, as shown in figure 1, the check-valves bag
Include：
Valve pocket 1, the valve pocket 1 includes：
Valve sleeve body 11；
Valve sleeve body 11 is one end pipeline that can be connected between external pipe flange, and the effect of the pipeline is except accommodating simultaneously
Fixed spool 24, also acts as the effect for accommodating liquid in simultaneously drainage pipe.
Valve pocket neck 12, positioned at the circumferential position of the madial wall of the valve sleeve body 11.
Fig. 3 is the partial schematic diagram of the valve body cutting ferrule of check-valves provided in an embodiment of the present invention, as shown in figure 3, valve pocket card
Groove 12, is the groove positioned at the inner side tube wall middle section position of valve sleeve body 11, and the groove presses circumferentially disposed, and the groove is in asymmetric
Structure, the gradient of groove water inlet side is significantly greater than opposite side, and this design can prevent valve element 24 to the sideslip of water inlet one
It is dynamic to cause the position of valve element 24 to shift.
Spacing collar 13, positioned at the inner side tube wall of the valve sleeve body 11, and before valve pocket neck 12.
Spacing collar 13 is the bulge-structure being located in valve sleeve body 11, and the spacing collar 13 is located at water inlet and valve pocket neck 12
Between, spacing collar 13 uses fillet form close to inlet end, reduces the resistance of current.When receiving reverse hydraulic pressure due to valve element 24
Can't aerial drainage, thus in order to prevent valve element 24 to be subjected to displacement when receiving reverse pressure, spacing collar 13 is set in the front end of valve element 24.
Valve pocket seal groove 14, the circumferential position positioned at the two ends of valve pocket 1.
In the two ends of valve pocket 1 and flange connections, set circumferential recess as valve pocket seal groove 14, the valve pocket seal groove 14 is used
In receiving sealing ring, it is to avoid liquid can pass through valve pocket 1 in external pipe and flange slot is revealed.
First sealing ring, is contained in the valve pocket seal groove 14, and is mutually supported with the flange of external pipe.
The sealing ring being contained in valve pocket seal groove 14 is set to house after the first sealing ring in the first sealing ring, seal groove,
Check-valves is stuck between the flange of external pipe, due to the presence of the first sealing ring, check-valves is clamped in the middle of flange, i.e.,
The step of bolt fixation is eliminated, sealed effect can be played again, while also facilitating dismounting.
The valve pocket seal groove 14 is " o " type seal groove, and first sealing ring is " o " type sealing ring.
Valve body 2, the valve body 2 includes：
Locating ring 21, is supported in the inner end of valve sleeve body 11, and is supported with the inner side of spacing collar 13, described fixed
The position top outer of ring 21 is provided with the first groove, and inner side has the second groove.
Locating ring 21 be located at the front end of valve body 2, and on the outside of the top of locating ring 21 be provided with the first groove, locating ring 21 it is interior
Side is provided with the second groove.First groove, which is accommodated, is pushed against the inner side of spacing collar 13 after sealing ring, locating ring 21 is socketed in valve pocket 1,
I.e. the outside of locating ring 21 is pushed against in the inner side of valve pocket 1.
In second sealing ring, the first groove for being contained in the locating ring 21, for the locating ring 21 and valve sleeve body
Sealing between 11 and spacing collar 13.
Second sealing ring is the sealing ring being placed in the first groove of locating ring 21, and it is in valve pocket 1 and positioning that it, which is acted on,
Sealing is formed between ring 21.When water inlet has hydraulic pressure, if spacing collar 13, valve pocket 1 and locating ring 21 this three do not form close
Envelope, then current can penetrate into valve element 24 from the junction of locating ring 21 and spacing collar 13, in order to avoid such case, just set this
Two sealing rings.
Barrier piece 22, with through hole, in the second groove for being plugged on the inner side of locating ring 21, and with the exterior tube
The mouth of pipe in road is mutually supported, for the sealing between external pipe and valve body 2.
So that play when positive hydraulic pressure reaches to a certain degree, there can be effect of the current by water check valve, in the body 2
Barrier piece 22 is set, and the barrier piece 22 is provided with through hole, is plugged in the second groove of locating ring 21.The through hole of the barrier piece 22 is used
In when hydraulic pressure exceedes certain hydraulic pressure threshold value, passage is provided for current.
Further, the barrier piece 22 is arranged on water inlet, and the barrier piece 22 is labyrinth type sealing ring.
It is labyrinth type sealing ring that the material and type of barrier piece 22, which have selected in plurality of optional, the present embodiment,.
Valve body cutting ferrule 23, positioned at the inner side of barrier piece 22, and the lateral wall of valve body cutting ferrule 23 is provided with buckle circle, the card
Buckle ring is mutually supported and fixed with the valve pocket neck 12.
The valve body cutting ferrule 23 is circumferential equally distributed gusset.
The quantity of the gusset is 4.
The valve body cutting ferrule 23 of the present embodiment is 4, and by circumferential equally distributed gusset, the gusset is socketed in valve pocket 1, and
Provided with a projection it is buckle circle on the outside of gusset, the buckle circle matches with foregoing valve pocket neck 12 plays fixed valve body 2
Effect.
One end of gusset is connected with the fix bar of second connecting portion 242, is connected on the outside of colleague's gusset with valve pocket 1, with
Gusset is fixed on the position of the water inlet of valve element 24 by this, and because gusset is uniformly dispersed distribution, therefore water can't be stopped
The flowing of stream.
The quantity of above-mentioned gusset is not fixed or 3,5 etc..It is for valve element 24 that gusset, which is uniformly distributed,
Uniform force, as long as therefore gusset circumferentially be uniformly distributed, the quantity of gusset can be with required design.
Valve element 24, including spring 243, the first connecting portion 241 and second connecting portion 242 of interconnection；
The first connecting portion 241 includes top and head rod, and the top is supported in the barrier piece 22
Through hole.
The first connecting portion 241 of valve element 24 is integrally formed, and including top and head rod.Top is in flat-top umbrella
Shape, and the diameter of top is more than the diameter of the through hole of barrier piece 22, therefore top can be supported on through hole, play limitation water
The effect of stream.Head rod is connected to the medium position of top and set along duct orientation.
The second connecting portion 242 includes the fix bar and the second connecting rod interconnected, the fix bar and the valve
The gusset of body cutting ferrule 23 is mutually fixed；The head rod is socketed in second connecting rod.
Second connecting portion 242 is similar to first connecting portion 241, including fix bar and the second connecting rod, and fix bar is connected to
It is on foregoing gusset and fixed thereto, and the second connecting rod is reversely set with head rod along duct orientation, and the second connection
Bar is in hollow cylinder, and head rod is socketed in the second connecting rod, it is possible to enter line slip along duct orientation.
The spring 243 is socketed on the outside of second connecting rod, and one end in the top with supporting, the other end and institute
State and supported inside fix bar.
Spring 243 is socketed on the outside of the second connecting rod, and one end of spring 243 is supported in the top of head rod,
The other end of spring 243 is supported in fix bar.
Because head rod is socketed in the second connecting rod, and first connecting portion 241 and second connecting portion 242 are all in curved
Folded structure, and the top of first connecting portion 241 limits position by barrier piece 22, second connecting portion 242 is by valve body cutting ferrule 23
Position is limited, therefore the position of head rod and the second connecting rod is also restrained, i.e., the position of spring 243 is also limited
Between top and fixed part.When top is by influence of hydraulic pressure, to the left during lateral movement, spring 243, which is under pressure, to be compressed,
Current are flowed into valve body 2 by the space between gusset, and are continuously introduced in the outlet conduit of outside.When hydraulic pressure reduces
Afterwards, spring 243 restores to the original state and supports top in the through hole of barrier piece 22.
Fig. 2 is the schematic diagram of check-valves working condition provided in an embodiment of the present invention, as shown in Fig. 2 when current pass through institute
When stating the inflow of the end of valve element 24, hydraulic pressure, the first connecting portion are applied to the top of the first connecting portion 241 of the valve element 24
241 head rod resists pressure positive slip inside second connecting rod of the spring 243, so that valve element 24
End is separated with barrier piece 22, and water is flowed into from the gap at the end of valve element 24, and enters follow-up external pipe；
When no current by when, under the pressure of the spring 243, the head rod of the first connecting portion 241
The reverse slide in second connecting rod, the top is supported forms sealing structure on barrier piece 22, so as to prevent water
Reversely flow to inlet channel.
Check-valves provided in an embodiment of the present invention, can solve to install that complicated, sealing is poor in production process, appearance after assembling
The problems such as easy leak, while can also realize that easy to maintenance, the purpose such as reduce labor intensity.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (7)
1. a kind of check-valves, it is characterised in that the check-valves includes：
Valve pocket, the valve pocket includes：
Valve sleeve body；
Valve pocket neck, positioned at the circumferential position of the madial wall of the valve sleeve body；
Spacing collar, positioned at the inner side tube wall of the valve sleeve body, and before valve pocket neck；
Valve pocket seal groove, the circumferential position positioned at the valve pocket two ends；
First sealing ring, is contained in the valve pocket seal groove, and is mutually supported with the flange of external pipe；
Valve body, the valve body includes：
Locating ring, is supported in the valve sleeve body inner end, and with being supported on the inside of the spacing collar, it is outer at the top of the locating ring
Side is provided with the first groove, and inner side has the second groove；
Second sealing ring, is contained in the first groove of the locating ring, for the locating ring and valve sleeve body and spacing collar
Between sealing；
Barrier piece, with through hole, is plugged in the second groove on the inside of the locating ring；
Valve body cutting ferrule, on the inside of the barrier piece, and the valve body cutting ferrule lateral wall is provided with buckle circle, the buckle circle with it is described
Valve pocket neck is mutually supported and fixed；
Valve element, including spring, the first connecting portion and second connecting portion of interconnection, the second connecting portion are additionally provided with shaft core and led
Xiang Kong；
The first connecting portion includes top and head rod, and the top is supported in the through hole of the barrier piece；
The second connecting portion includes the fix bar and the second connecting rod interconnected, the fix bar and the valve body cutting ferrule phase
It is fixed；The head rod is socketed in second connecting rod；
The spring is socketed on the outside of second connecting rod, and one end in the top with supporting, the other end and the fixation
Supported inside bar；
When current are flowed into by the through hole of the barrier piece, hydraulic pressure is applied to the top of the first connecting portion of the valve element,
The head rod of the first connecting portion resist the spring pressure it is positive inside second connecting rod slide, water from
Flowed into by the through hole of the barrier piece, and enter follow-up external pipe；
When no current by when, under the pressure of the spring, the head rod of the first connecting portion is described second
Support in the through hole reverse slide in connecting rod, the top.
2. check-valves according to claim 1, it is characterised in that the valve pocket seal groove is " o " type seal groove, described the
One sealing ring is " o " type sealing ring.
3. check-valves according to claim 1, it is characterised in that the barrier piece is arranged on water inlet, and the barrier
Piece is labyrinth type sealing ring.
4. check-valves according to claim 1, it is characterised in that the first connecting portion is integrally formed.
5. check-valves according to claim 1, it is characterised in that the second connecting portion is integrally formed.
6. check-valves according to claim 1, it is characterised in that the valve body cutting ferrule is uniformly distributed and mutually only to be circumferential
Vertical gusset.
7. check-valves according to claim 6, it is characterised in that the quantity of the gusset is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652660.1A CN107289159B (en) | 2017-08-02 | 2017-08-02 | Check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652660.1A CN107289159B (en) | 2017-08-02 | 2017-08-02 | Check-valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107289159A true CN107289159A (en) | 2017-10-24 |
| CN107289159B CN107289159B (en) | 2019-03-12 |
Family
ID=60104913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652660.1A Active CN107289159B (en) | 2017-08-02 | 2017-08-02 | Check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963728A (en) * | 2020-08-21 | 2020-11-20 | 浙江阿尔法阀门有限公司 | Novel embedded check valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532958A (en) * | 1982-09-30 | 1985-08-06 | Hudson Engineering Company | Check valve having replaceable valve assembly |
| DE4339617A1 (en) * | 1993-11-20 | 1995-05-24 | Vortex Gmbh Dt | Non-return valve for water circulation system with shutting-off element in valve housing |
| CN104847932A (en) * | 2015-03-12 | 2015-08-19 | 自贡新地佩尔阀门有限公司 | Axial-flow type check valve |
| US9404244B1 (en) * | 2012-01-06 | 2016-08-02 | Joelex, Inc. | Fluid control apparatus, systems and methods |
| CN207034286U (en) * | 2017-08-02 | 2018-02-23 | 威乐(中国)水泵系统有限公司 | Check-valves |
-
2017
- 2017-08-02 CN CN201710652660.1A patent/CN107289159B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532958A (en) * | 1982-09-30 | 1985-08-06 | Hudson Engineering Company | Check valve having replaceable valve assembly |
| DE4339617A1 (en) * | 1993-11-20 | 1995-05-24 | Vortex Gmbh Dt | Non-return valve for water circulation system with shutting-off element in valve housing |
| US9404244B1 (en) * | 2012-01-06 | 2016-08-02 | Joelex, Inc. | Fluid control apparatus, systems and methods |
| CN104847932A (en) * | 2015-03-12 | 2015-08-19 | 自贡新地佩尔阀门有限公司 | Axial-flow type check valve |
| CN207034286U (en) * | 2017-08-02 | 2018-02-23 | 威乐(中国)水泵系统有限公司 | Check-valves |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963728A (en) * | 2020-08-21 | 2020-11-20 | 浙江阿尔法阀门有限公司 | Novel embedded check valve |
| CN111963728B (en) * | 2020-08-21 | 2022-06-21 | 浙江阿尔法阀门有限公司 | Novel embedded check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107289159B (en) | 2019-03-12 |
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