CN107289159B - Check-valves - Google Patents
Check-valves Download PDFInfo
- Publication number
- CN107289159B CN107289159B CN201710652660.1A CN201710652660A CN107289159B CN 107289159 B CN107289159 B CN 107289159B CN 201710652660 A CN201710652660 A CN 201710652660A CN 107289159 B CN107289159 B CN 107289159B
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- China
- Prior art keywords
- valve
- connecting rod
- valve pocket
- connecting portion
- groove
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Classifications
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present embodiments relate to a kind of check-valves, comprising: valve pocket, including valve sleeve body；Valve pocket card slot is located at valve sleeve body inner sidewall；Spacing collar, the inner sidewall before valve pocket card slot；Valve pocket seal groove is located at valve pocket both ends；First sealing ring is accommodated in valve pocket seal groove；Valve body includes: positioning ring, is supported with spacing collar inside, and top is equipped with the first groove, and inside has the second groove；Second sealing ring is accommodated in the first groove of positioning ring；Barrier piece has through-hole, is plugged in the second groove；Valve body cutting ferrule is located on the inside of barrier piece, mutually supports with the buckle circle of valve body cutting ferrule lateral wall；Spool includes: that first connecting portion includes top and first connecting rod, and top is supported in the through hole of barrier piece；Second connecting portion includes the fixed link and the second connecting rod interconnected, and fixed link is mutually fixed with valve body cutting ferrule；First connecting 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 technique
At present in the check-valves of oval flange pump discharge installation, the technology of use is the non-return of internal screw thread screwed connection
Valve, front and back connection need to increase various to pipe fittings such as silk, loose joints.In order to realize the sealing purpose of threaded connection, need to process
Dedicated leakproofness taper pipe thread is manufactured, while needing to wind the rope made of hemp and raw material band at screw thread.The above product still have compared with
The processing of more problem and shortage, especially taper pipe thread, machining accuracy is unqualified to easily cause poor sealing effect, difficult to install, appearance
Easy leak.For more pump groups at supply equipment, if the damage of check-valves, needs to dismantle main pipe rail and is safeguarded, pole
Big increases maintenance cost and difficulty.
Summary of the invention
The object of the present invention is to provide a kind of check-valves not only can solve in production process and be pacified by the technical program
Dress is complicated, leakproofness is poor, phenomena such as leak is easy after assembly, while also can solve and safeguarding that inconvenience, large labor intensity etc. are real
Border problem.
In order to solve the problems existing in the prior art, the present invention provides a kind of check-valves, the check-valves includes:
Valve pocket, the valve pocket include:
Valve sleeve body；
Valve pocket card slot, positioned at the circumferential position of the inner sidewall of the valve sleeve body；
Spacing collar, positioned at the inner tube wall of the valve sleeve body, and before valve pocket card slot；
Valve pocket seal groove, the circumferential position positioned at the valve pocket both ends；
First sealing ring is accommodated in the valve pocket seal groove, and is mutually supported with the flange of external pipe；
Valve body, the valve body include:
Positioning ring is supported in the valve sleeve body inner end, and is supported with the spacing collar inside, the positioning ring top
The first groove is equipped on the outside of portion, inside has the second groove；
Second sealing ring is accommodated in the first groove of the positioning ring, for the positioning ring and valve sleeve body and limit
Sealing between the circle of position；
Barrier piece, have through-hole, be plugged in the second groove on the inside of the positioning ring, and with the external pipe
Nozzle is mutually supported, for the sealing between pipeline and valve body；
Valve body cutting ferrule is located on the inside of barrier piece, and the valve body cutting ferrule lateral wall is equipped with buckle circle, buckle circle and
The valve pocket card slot is mutually supported and is fixed；One end of the valve body cutting ferrule is also provided with central spindle pilot hole；
Spool, first connecting portion and second connecting portion including spring, interconnection；
The first connecting portion includes top and first connecting rod, and the through-hole in the barrier piece is supported in the top
Place；
The second connecting portion includes the fixed link and the second connecting rod interconnected, the fixed link and the valve body card
Set is mutually fixed；The first connecting rod is socketed in second connecting rod；
The spring is socketed on the outside of second connecting rod, is supported in one end and the top, the other end with it is described
It is supported inside fixed link；
When water flow is flowed by the through-hole of the barrier piece, water is applied to the top of the first connecting portion of the spool
Pressure, the first connecting rod of the first connecting portion resist pressure positive sliding inside second connecting rod of the spring,
Water enters subsequent external pipe from the through-hole inflow by the barrier piece；
When not having water flow to pass through, under the pressure of the spring, the first connecting rod of the first connecting portion is described
Reverse slide in second connecting rod, the top are supported in the through-hole.
Further, the valve pocket seal groove is " o " type seal groove, and first sealing ring is " o " type sealing ring.
Further, the barrier piece setting is in 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 installed in production process complicated, leakproofness is poor, assemble after hold
The problems such as easy leak, while easy to maintain, the purpose of reducing labor intensity also may be implemented.
Detailed description of the invention
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.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be 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 card slot 12, and valve body 2 wraps
Valve body cutting ferrule 23 is included, the buckle on valve body cutting ferrule 23 connects with valve pocket card slot 12, and valve body 2 is connected on valve pocket 1.Valve body 2 is also
Including spool 24, and spool 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 water flow
It is fashionable, pressure is applied to first connecting portion 241, opens water inlet, when hydraulic pressure reduces, compressed spring 243 is sprung back, by the
One interconnecting piece 241 is reset to water inlet, prevents the water of outlet conduit to be back to water inlet line inlet seal.
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 packet
It includes:
Valve pocket 1, the valve pocket 1 include:
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 in addition to accommodating simultaneously
Fixed spool 24 also acts as the effect for accommodating liquid in simultaneously drainage pipe.
Valve pocket card slot 12, positioned at the circumferential position of the inner sidewall 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
Slot 12 is the groove positioned at 11 inner tube wall middle section position of valve sleeve body, and the groove is by circumferential setting, and the groove is in asymmetry
Structure, the gradient of groove water inlet side are significantly greater than the other side, and this design can prevent spool 24 from breakking away to water inlet one
It is dynamic that 24 position of spool is caused to shift.
Spacing collar 13, positioned at the inner tube wall of the valve sleeve body 11, and before valve pocket card slot 12.
Spacing collar 13 is the bulge-structure in valve sleeve body 11, which is located at water inlet and valve pocket card slot 12
Between, spacing collar 13 uses fillet form close to inlet end, reduces the resistance of water flow.When receiving reverse hydraulic pressure due to spool 24
Can't aerial drainage, thus when spool 24 receives reverse pressure in order to prevent, is subjected to displacement, and spacing collar 13 is arranged in 24 front end of spool.
Valve pocket seal groove 14, the circumferential position positioned at 1 both ends of valve pocket.
In 1 both ends of valve pocket and flange connections, circumferential recess is set as valve pocket seal groove 14, which uses
In accommodating sealing ring, avoid liquid in external pipe that from revealing by valve pocket 1 and flange slot.
First sealing ring is accommodated in the valve pocket seal groove 14, and is mutually supported with the flange of external pipe.
The sealing ring being accommodated in valve pocket seal groove 14 is set as the first sealing ring, in seal groove after the first sealing ring of accommodating,
Check-valves is stuck between the flange of external pipe, due to the presence of the first sealing ring, check-valves is clamped among flange, i.e.,
The fixed step of bolt is eliminated, and sealing can be played the role of, while also easy to disassemble.
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 include:
Positioning ring 21 is supported in 11 inner end of valve sleeve body, and with supported on the inside of the spacing collar 13, it is described fixed
Position 21 top outer of ring is equipped with the first groove, and inside has the second groove.
Positioning ring 21 is located at 2 front end of valve body, and is equipped with the first groove in the apical lateral of positioning ring 21, positioning ring 21 it is interior
Side is equipped with the second groove.First groove is pushed against 13 inside of spacing collar after accommodating sealing ring, and positioning ring 21 is socketed in valve pocket 1,
It is pushed against i.e. on the outside of positioning ring 21 in 1 inside of valve pocket.
Second sealing ring is accommodated in the first groove of the positioning ring 21, is used for the positioning 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 positioning ring 21, and effect is in valve pocket 1 and positioning
Sealing is formed between ring 21.When water inlet has hydraulic pressure, if spacing collar 13, valve pocket 1 and this three of positioning ring 21 are not formed close
Envelope, then water flow can penetrate into spool 24 from the junction of positioning ring 21 and spacing collar 13, in order to avoid such case, be just arranged this
Two sealing rings.
Barrier piece 22 has through-hole, is plugged in the second groove of 21 inside of the positioning ring, and with the exterior tube
The nozzle in road is mutually supported, for the sealing between external pipe and valve body 2.
In order to play when positive hydraulic pressure reaches a certain level, Cai Nengyou water flow is by the effect of water check valve, in the body 2
Barrier piece 22 is set, which is equipped with through-hole, is plugged in the second groove of positioning ring 21.The through-hole of the barrier piece 22 is used
In when hydraulic pressure is more than certain hydraulic pressure threshold value, channel is provided for water flow.
Further, the setting of barrier piece 22 is in water inlet, and the barrier piece 22 is labyrinth type sealing ring.
It is optional that there are many materials and type of barrier piece 22, and what is selected in the present embodiment is labyrinth type sealing ring.
Valve body cutting ferrule 23 is located at 22 inside of barrier piece, and 23 lateral wall of valve body cutting ferrule is equipped with buckle circle, the card
Buckle ring is supported and is fixed with 12 phase of valve pocket card slot.
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 by circumferential equally distributed gusset, which is socketed in valve pocket 1, and
It is equipped with a protrusion on the outside of gusset and buckles circle, the buckle circle and valve pocket card slot 12 above-mentioned, which match, plays fixed valve body 2
Effect.
One end of gusset is connected with the fixed link of second connecting portion 242, while being connected on the outside of gusset with valve pocket 1, with
Gusset is fixed on the position of 24 water inlet of spool by this, and since gusset is uniformly dispersed distribution, can't stop water
The flowing of stream.
The quantity of above-mentioned gusset is not fixation, is also possible to 3,5 etc..It is for spool 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.
Spool 24, including spring 243, the first connecting portion 241 and second connecting portion 242 that interconnect；
The first connecting portion 241 includes top and first connecting rod, and the top is supported in the barrier piece 22
Through hole.
The first connecting portion 241 of spool 24 is integrally formed, and including top and first connecting rod.Top is in flat-top umbrella
Shape, and the diameter of top is greater than the diameter of 22 through-hole of barrier piece, therefore top can be supported on through-hole, and limitation water is played
The effect of stream.First connecting rod is connected to the medium position of top and is arranged along duct orientation.
The second connecting portion 242 includes the fixed link and the second connecting rod interconnected, the fixed link and the valve
The gusset of body cutting ferrule 23 is mutually fixed；The first connecting rod is socketed in second connecting rod.
Second connecting portion 242 is similar to first connecting portion 241, including fixed link and the second connecting rod, fixed link are connected to
It is on gusset above-mentioned and fixed thereto, and the second connecting rod and first connecting rod are reversely arranged along duct orientation, and the second connection
Bar is in hollow cylinder, and first connecting rod is socketed in the second connecting rod, and can be slided along duct orientation.
The spring 243 is socketed on the outside of second connecting rod, is supported in one end and the top, the other end and institute
It states and is supported inside fixed link.
Spring 243 is socketed on the outside of the second connecting rod, and one end of spring 243 is supported in the top of first connecting rod,
The other end of spring 243 is supported in fixed link.
Since first connecting 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 first connecting 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, when moving to the left, spring 243, which is under pressure, to be compressed,
Water flow is flowed into valve body 2 by the space between gusset, and is continuously introduced in external outlet conduit.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 water flow passes through institute
When stating the inflow of 24 end of spool, hydraulic pressure, the first connecting portion are applied to the top of the first connecting portion 241 of the spool 24
241 first connecting rod resists pressure positive sliding inside second connecting rod of the spring 243, to make spool 24
End is separated with barrier piece 22, and water is flowed into from the gap at 24 end of spool, and enters subsequent external pipe；
When there is no water flow to pass through, under the pressure of the spring 243, the first connecting rod of the first connecting portion 241
The reverse slide in second connecting rod, the top, which is supported, forms sealing structure on barrier piece 22, to prevent water
Reversely flow to water inlet line.
Check-valves provided in an embodiment of the present invention, can solve installed in production process complicated, leakproofness is poor, assemble after hold
The problems such as easy leak, while easy to maintain, the purpose of reducing labor intensity also may be implemented.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of check-valves, which is characterized in that the check-valves includes:
Valve pocket, the valve pocket include:
Valve sleeve body；
Valve pocket card slot, positioned at the circumferential position of the inner sidewall of the valve sleeve body；
Spacing collar, positioned at the inner tube wall of the valve sleeve body, and before valve pocket card slot；
Valve pocket seal groove, the circumferential position positioned at the valve pocket both ends；
First sealing ring is accommodated in the valve pocket seal groove, and is mutually supported with the flange of external pipe；
Valve body, the valve body include:
Positioning ring is supported in the valve sleeve body inner end, and is supported with the spacing collar inside, outer at the top of the positioning ring
Side is equipped with the first groove, and inside has the second groove；
Second sealing ring is accommodated in the first groove of the positioning ring, for the positioning ring and valve sleeve body and spacing collar
Between sealing；
Barrier piece has through-hole, is plugged in the second groove on the inside of the positioning ring；
Valve body cutting ferrule is located on the inside of barrier piece, and the valve body cutting ferrule lateral wall is equipped with buckle circle, the buckle enclose with it is described
Valve pocket card slot is mutually supported and is fixed；
Spool, first connecting portion and second connecting portion including spring, interconnection, the second connecting portion are additionally provided with central spindle and lead
Xiang Kong；
The first connecting portion includes top and first connecting rod, and the top is supported in the through hole of the barrier piece；
The second connecting portion includes the fixed link and the second connecting rod interconnected, the fixed link and the valve body cutting ferrule phase
It is fixed；The first connecting rod is socketed in second connecting rod；
The spring is socketed on the outside of second connecting rod, is supported in one end and the top, the other end and the fixation
It is supported inside bar；
When water flow is flowed by the through-hole of the barrier piece, hydraulic pressure is applied to the top of the first connecting portion of the spool,
The first connecting rod of the first connecting portion resists the positive sliding inside second connecting rod of the pressure of the spring, water from
It is flowed by the through-hole of the barrier piece, and enters subsequent external pipe；
When not having water flow to pass through, under the pressure of the spring, the first connecting rod of the first connecting portion is described second
Reverse slide in connecting rod, the top are supported in the through-hole.
2. check-valves according to claim 1, which is characterized 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, which is characterized in that the barrier piece is arranged in water inlet, and the barrier
Piece is labyrinth type sealing ring.
4. check-valves according to claim 1, which is characterized in that the first connecting portion is integrally formed.
5. check-valves according to claim 1, which is characterized in that the second connecting portion is integrally formed.
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 CN107289159A (en) | 2017-10-24 |
| CN107289159B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963728B (en) * | 2020-08-21 | 2022-06-21 | 浙江阿尔法阀门有限公司 | Novel embedded check valve |
Family Cites Families (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 |
| DE4339617C2 (en) * | 1993-11-20 | 2003-06-05 | Vortex Gmbh Dt | Check valve for a domestic water circulation system |
| US9404244B1 (en) * | 2012-01-06 | 2016-08-02 | Joelex, Inc. | Fluid control apparatus, systems and methods |
| CN104847932B (en) * | 2015-03-12 | 2017-02-01 | 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***有限公司 | Check-valves |
-
2017
- 2017-08-02 CN CN201710652660.1A patent/CN107289159B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107289159A (en) | 2017-10-24 |
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