CN110067878A - A kind of elastomeric check valve - Google Patents
A kind of elastomeric check valve Download PDFInfo
- Publication number
- CN110067878A CN110067878A CN201910467108.4A CN201910467108A CN110067878A CN 110067878 A CN110067878 A CN 110067878A CN 201910467108 A CN201910467108 A CN 201910467108A CN 110067878 A CN110067878 A CN 110067878A
- Authority
- CN
- China
- Prior art keywords
- valve
- gasket
- spring
- valve block
- pin
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of elastomeric check valves, including valve body, valve deck, valve block, gasket, spring and pin, the upper end of valve deck is arranged in the valve body, the valve deck upper end two sides are arranged symmetrically, and there are two boss, the valve block, gasket, spring by boss across pin be arranged valve deck and valve body, the valve block passes through the cylinder matched and through-hole links together with gasket, the valve block is arranged among boss by pin and pin hole, the spring is extended with spring pressure bar, the spring pressure bar extends to the back side of valve block.Through the above way, the present invention uses soft sealing structure, when there is flow to come, the gasket of blow-off valve on piece is discharged, when not having flow, resets on gasket to sealing surface under spring force, compress valve block and gasket with spring to avoid the generation of water leakage situation, sealing effect is good, and material can also seal well in the case where having micro-deformation.
Description
Technical field
The present invention relates to the field of fluid machinery more particularly to a kind of elastomeric check valves.
Background technique
Check-valves is also known as check valve or non-return valve, and effect is to prevent the medium in pipeline from flowing backwards.Pump sump pipeline
Bottom valve also belongs to check-valves class.Opening and closing element is voluntarily opened or is resetted by media flow and hydraulic pressure, with the valve for preventing medium from flowing backwards
It is check-valves.Check-valves belongs to automatic valve class, is mainly used on the pipeline of medium one-way flow, only allows medium to a direction
Flowing, to try to avert accidents.
Check-valves on existing market is made of two plastic sheets, and sealing surface is very stiff and demanding hard sealing, and size has micro change
Shape easily causes leak, and installation and debugging are also very troublesome.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of elastomeric check valve, using soft sealing structure, when there is flow
When coming over, the gasket of blow-off valve on piece is discharged, and when not having flow, resets gasket under spring force to sealing surface
On, compress valve block and gasket with spring to avoid the generation of water leakage situation, it is close using soft seal plus the construction of holddown spring
Envelope effect is good, and material can also seal well in the case where having micro-deformation.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of elastomeric check valve is provided, is wrapped
Include valve body, valve deck, valve block, gasket, spring and pin, the valve body is arranged in the upper end of valve deck, on the valve deck
Two sides are held to be symmetrical arranged there are two boss, the pin that the valve block, gasket, spring are passed through by boss is arranged in valve deck
Between valve body, the front center position of the valve block is provided with cylinder, the center of the gasket be provided with
The corresponding through-hole of cylinder, the valve block passes through the cylinder matched and through-hole links together with gasket, the bottom of valve block
Portion is additionally provided with pin hole, and the valve block is arranged among boss by pin and pin hole, and the spring pocket is mounted in pin
It nails on and is located between two boss, the spring is extended with spring pressure bar, and the spring pressure bar extends to the back of valve block
Face.
In a preferred embodiment of the present invention, the upper end of the cylinder is provided with positive stop lug boss, logical on gasket
Hole passes through positive stop lug boss and cylinder positions.
In a preferred embodiment of the present invention, seal boss is provided at the front edge of the gasket.
In a preferred embodiment of the present invention, the gasket and seal boss are using made by rubber material.
In a preferred embodiment of the present invention, the back side of the valve block is provided with compression bar locating notch, the bullet
Spring compression bar navigates in the compression bar locating notch of valve block, and valve block is compressed.
In a preferred embodiment of the present invention, the elastomeric check valve further includes retaining ring, and the retaining ring is set respectively
It sets in the cotter slot at pin both ends.
In a preferred embodiment of the present invention, it is provided with water outlet on the valve body, is provided on the valve deck
Water inlet.
In a preferred embodiment of the present invention, the gasket and the sealing surface of water inlet upper end are used cooperatively.
The beneficial effects of the present invention are: elastomeric check valve of the invention, using soft sealing structure, when water flow comes, punching
The gasket of valve opening on piece is discharged, and when not having flow, is resetted on gasket to sealing surface under spring force, with spring come
Valve block and gasket are compressed to avoid the generation of water leakage situation, using soft seal plus the construction of holddown spring, sealing effect is good, material
Material can also seal well in the case where having micro-deformation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the assembling schematic diagram of a preferred embodiment of elastomeric check valve of the present invention；
Fig. 2 is the side sectional view after Fig. 1 is assembled；
The label in accompanying drawing is: 1, valve body, 2, valve deck, 3, valve block, 4, gasket, 5, spring, 6, pin, 7, boss, 8, cylinder,
9, through-hole, 10, positive stop lug boss, 11, seal boss, 12, pin hole, 13, spring pressure bar, 14, compression bar locating notch, 15, retaining ring,
16, cotter slot, 17, water outlet, 18, water inlet, 19, sealing surface, 20, location hole.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As depicted in figs. 1 and 2, the embodiment of the present invention includes:
A kind of elastomeric check valve, including valve body 1, valve deck 2, valve block 3, gasket 4, spring 5 and pin 6, the valve body 1 are set
Set in the upper end of valve deck 2, the 2 upper end two sides of valve deck are symmetrical arranged there are two boss 7, the valve block 3, gasket 4,
Spring 5 by boss 7 across pin 6 be arranged valve deck 2 and valve body 1.
The front center position of the valve block 3 is provided with cylinder 8, the center of the gasket 4 be provided with
The corresponding through-hole 9 of cylinder 8, the valve block 3 passes through the cylinder 8 matched and through-hole 9 links together with gasket 4,
In, the upper end of cylinder 8 is provided with positive stop lug boss 10, and the through-hole 9 on gasket 4 passes through positive stop lug boss 10 and cylinder 8 positions, and realizes
The positioning of valve block 3 and gasket 4.
Among the above, seal boss 11 is provided at the front edge of the gasket 4.In the present embodiment, described is close
Packing 4 and seal boss 11 are using made by rubber material, and sealing effect is good, if material also can in the case where having micro-deformation
Sealing well.
The bottom of valve block 3 is additionally provided with pin hole 12, and the valve block 3 is arranged by pin 6 and pin hole 12 in boss 7
Between, the spring 5 is sleeved on pin 6 and is located between two boss 7, and the spring 5 is extended with spring pressure bar 13,
The spring pressure bar 13 extends to the back side of valve block 3.
Wherein, the back side of the valve block 3 is provided with compression bar locating notch 14, and the spring pressure bar 13 navigates to valve block
In 3 compression bar locating notch 14, valve block 3 is compressed.
Further, the elastomeric check valve further includes retaining ring 15, and the retaining ring 15 is separately positioned on 6 both ends of pin
Cotter slot 16 in.
As shown in Fig. 2, being provided with water outlet 17 on the valve body 1, water inlet 18 is provided on the valve deck 2.Institute
The gasket 4 stated and the sealing surface 19 of 18 upper end of water inlet are used cooperatively.
Two boss 7 on valve deck are provided with two location holes 20, and valve block 3 navigates in boss 7, by pin 6 and pin hole 12,
Navigate to that cotter slot 16 is inner to be fixed with retaining ring 15 again.Spring 5 is provided with spring eye, and spring 5 is extended with spring pressure bar 13, pin 6
Across spring eye that spring 5 is fixed, spring pressure bar 13 navigates in the compression bar locating notch 14 of valve block 3, valve block 3 is compressed, close
Seal boss 11 is done on packing 4, gasket 3 is pressed to the close of valve deck 2 by the pressing force that spring 5 transmits by seal boss 11
On cover 19.When flow comes, the gasket 4 washed open on valve block 3 is discharged, will under the action of 5 power of spring when not having flow
Gasket 4 is reset on sealing surface 19.
In conclusion elastomeric check valve of the invention, using soft sealing structure, when water flow comes, blow-off valve on piece
Gasket water outlet, when not having flow, under spring force reset gasket to sealing surface on, compressed with spring valve block and
Gasket avoids the generation of water leakage situation, and using soft seal plus the construction of holddown spring, sealing effect is good, and material has micro change
It can also be sealed well in the case where shape.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (8)
1. a kind of elastomeric check valve, which is characterized in that described including valve body, valve deck, valve block, gasket, spring and pin
The upper end of valve deck is arranged in valve body, and the valve deck upper end two sides are symmetrical arranged there are two boss, and the valve block seals
Pad, spring by boss across pin be arranged valve deck and valve body, the front center position of the valve block is provided with
Cylinder, the center of the gasket are provided with through-hole corresponding with cylinder, and the valve block passes through the circle matched
Column and through-hole link together with gasket, and the bottom of valve block is additionally provided with pin hole, and the valve block passes through pin and pin
Hole is arranged among boss, and the spring pocket is on pin and is located between two boss, and the spring is extended with bullet
Spring compression bar, the spring pressure bar extend to the back side of valve block.
2. elastomeric check valve according to claim 1, which is characterized in that the upper end of the cylinder is provided with limit convex
Platform, the through-hole on gasket passes through positive stop lug boss and cylinder positions.
3. elastomeric check valve according to claim 1, which is characterized in that be provided at the front edge of the gasket
Seal boss.
4. elastomeric check valve according to claim 3, which is characterized in that the gasket and seal boss uses rubber
Made by material.
5. elastomeric check valve according to claim 1, which is characterized in that the back side of the valve block is provided with compression bar positioning
Notch, the spring pressure bar navigate in the compression bar locating notch of valve block, valve block are compressed.
6. elastomeric check valve according to claim 1, which is characterized in that the elastomeric check valve further includes retaining ring, institute
The retaining ring stated is separately positioned in the cotter slot at pin both ends.
7. elastomeric check valve according to claim 1, which is characterized in that water outlet is provided on the valve body, it is described
Valve deck on be provided with water inlet.
8. elastomeric check valve according to claim 7, which is characterized in that the sealing of the gasket and water inlet upper end
Face is used cooperatively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467108.4A CN110067878A (en) | 2019-05-31 | 2019-05-31 | A kind of elastomeric check valve |
| PCT/CN2019/095677 WO2020237786A1 (en) | 2019-05-31 | 2019-07-12 | Elastic check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467108.4A CN110067878A (en) | 2019-05-31 | 2019-05-31 | A kind of elastomeric check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110067878A true CN110067878A (en) | 2019-07-30 |
Family
ID=67372190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910467108.4A Pending CN110067878A (en) | 2019-05-31 | 2019-05-31 | A kind of elastomeric check valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110067878A (en) |
| WO (1) | WO2020237786A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035418U (en) * | 1988-07-06 | 1989-04-05 | 北京市市政设计院 | Back-flow proof valve with preventing water-hammer and noise |
| CN201517647U (en) * | 2009-10-29 | 2010-06-30 | 广东省水利水电第三工程局 | Inlet valve of water pump |
| CN202597799U (en) * | 2012-06-08 | 2012-12-12 | 福建省标光阀门科技有限公司 | Check valve with good sealing effect |
| CN104455575A (en) * | 2013-09-22 | 2015-03-25 | 天津市金凤来仪科技有限公司 | Anti-corrosion check valve convenient to dismount |
| CN205877292U (en) * | 2016-07-12 | 2017-01-11 | 浙江新旭阀业有限公司 | Soft seal swing check valve |
| CN208311566U (en) * | 2018-05-14 | 2019-01-01 | 濮阳龙丰纸业有限公司 | A kind of Novel swing check valve |
| CN209990956U (en) * | 2019-05-31 | 2020-01-24 | 苏州优德通力科技有限公司 | Elastic check valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547338U (en) * | 2009-09-17 | 2010-08-11 | 上海海陆丰船用阀门有限公司 | Bivalve butterfly check valve |
| CN204664500U (en) * | 2015-05-06 | 2015-09-23 | 浙江新控泵业有限公司 | Structure improved safety check |
| CN205388173U (en) * | 2015-12-31 | 2016-07-20 | 慎江阀门有限公司 | Built -in swing check valve that slowly closes |
| US10125874B2 (en) * | 2016-10-24 | 2018-11-13 | Flowserve Management Company | Valves including multiple seats and related assemblies and methods |
| CN107575639A (en) * | 2017-03-09 | 2018-01-12 | 安徽普天电力科技有限公司 | A kind of novel high-pressure valve block |
| CN207213286U (en) * | 2017-08-30 | 2018-04-10 | 上海欧特莱阀门机械有限公司 | A kind of baffle speed closed type check valve |
| CN208041234U (en) * | 2018-03-30 | 2018-11-02 | 江苏高华流体控制有限公司 | A kind of dual plate wafer type check valve |
-
2019
- 2019-05-31 CN CN201910467108.4A patent/CN110067878A/en active Pending
- 2019-07-12 WO PCT/CN2019/095677 patent/WO2020237786A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035418U (en) * | 1988-07-06 | 1989-04-05 | 北京市市政设计院 | Back-flow proof valve with preventing water-hammer and noise |
| CN201517647U (en) * | 2009-10-29 | 2010-06-30 | 广东省水利水电第三工程局 | Inlet valve of water pump |
| CN202597799U (en) * | 2012-06-08 | 2012-12-12 | 福建省标光阀门科技有限公司 | Check valve with good sealing effect |
| CN104455575A (en) * | 2013-09-22 | 2015-03-25 | 天津市金凤来仪科技有限公司 | Anti-corrosion check valve convenient to dismount |
| CN205877292U (en) * | 2016-07-12 | 2017-01-11 | 浙江新旭阀业有限公司 | Soft seal swing check valve |
| CN208311566U (en) * | 2018-05-14 | 2019-01-01 | 濮阳龙丰纸业有限公司 | A kind of Novel swing check valve |
| CN209990956U (en) * | 2019-05-31 | 2020-01-24 | 苏州优德通力科技有限公司 | Elastic check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020237786A1 (en) | 2020-12-03 |
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