CN206112178U - Check valve - Google Patents
Check valve Download PDFInfo
- Publication number
- CN206112178U CN206112178U CN201621010382.7U CN201621010382U CN206112178U CN 206112178 U CN206112178 U CN 206112178U CN 201621010382 U CN201621010382 U CN 201621010382U CN 206112178 U CN206112178 U CN 206112178U
- Authority
- CN
- China
- Prior art keywords
- check
- check valve
- valves
- valve body
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a check valve, it flows effectually to aim at providing a non return, structural strength height and simple structure's check valve, its technical scheme main points are that the check valve body includes the check valve body, check valve cap and check valve case, check valve core top is arranged in to the check valve body, it flows the cavity to be formed with the non return between the check valve body and the check valve cap, the check valve case is arranged in between the check valve body and the check valve core, the other end that the check valve body and check valve case were passed to the one end of check valve case passes the check valve cap, overlap the check valve chip that is equipped with check valve manger plate skin and is used for fixed check valve manger plate skin on the check valve case, still be equipped with the spring between the check valve chip and the check valve body, the spring housing is outside the check valve case, the utility model is suitable for a valve technical field.
Description
Technical field
The utility model is related to a kind of valve technology field, more specifically, it relates to a kind of check-valves.
Background technology
Check-valves refers to the automatic open and close flap by medium flowing itself, for preventing the valve of medium refluence, also known asNon-return valve、Check valve, reflux valve andCounterbalance valve。Check-valvesBelong to a kind of automatic valve, its Main Function is to prevent medium from falling
Stream, prevent pump and drive motor reversion, and vessel media from releasing.
Check-valves：By structure divide, can be divided into lift check valve, swing check valve andButterfly swing check valveThree kinds.Rise
Drop formula check-valves can be divided into vertical and two kinds of through type.Swing check valve is divided into three kinds of single-lobe formula, Double-disc type and multi-clove type.Butterfly
Formula check-valves is butterfly bivalve, butterfly single-lobe, several check-valves of the above can be divided into threaded connection in type of attachment,Flange connects Connect, welding and wafer type connect four kinds.
At present, the check-valves on market, it includes non-return valve body.Although the effect of this non-return valve body backflow is not
Mistake, but structure is complex, and structural strength is relatively low, therefore needing a kind of backflow effect good on market, structural strength is high
And the check-valves of simple structure.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is that a kind of backflow effect of offer is good, structure
The check-valves of intensity height and simple structure.
For achieving the above object, the utility model provides following technical scheme：A kind of check-valves, including check-valves sheet
Body, is characterized in that：The non-return valve body includes check valve body, non-return bonnet and check valve spool, and check valve body is placed in only
Go back to valve element top, be formed with backflow chamber between check valve body and non-return bonnet, check valve spool be placed in check valve body and
Between check-valves fuse, one end of check valve spool passes through the other end of check valve body and check valve spool to pass through non-return bonnet,
Check-valves dash skin and the check-valves chip for fixing check-valves dash skin are arranged with the check valve spool, it is described to stop
Return and spring is additionally provided between Valve core blade and check valve body, spring is placed on outside check valve spool.
Include check valve body, non-return bonnet and check valve spool by adopting above-mentioned technical proposal, non-return valve body, only
Return valve body and be placed in check-valves fuse top, backflow chamber is formed between check valve body and non-return bonnet, check valve spool is put
Between check valve body and check-valves fuse, one end of check valve spool is worn through the other end of check valve body and check valve spool
Non-return bonnet is crossed, check-valves dash skin and the non-return valve core for fixing check-valves dash skin are arranged with check valve spool
Piece, is additionally provided with spring between check-valves chip and check valve body, spring is placed on outside check valve spool, by using above-mentioned technical side
Case, between check-valves chip and check valve body spring is additionally provided with so that the side that check-valves chip and check valve body pass through current
To being adjusted, so both simple structure, and backflow effects are good.
The utility model is further arranged to：The spring include the upper conflict end inconsistent with check valve body and with only
Go back to the inconsistent lower conflict end of Valve core blade, it is incremented by successively that the diameter of spring down contradicts end by upper conflict end.
By adopting above-mentioned technical proposal, spring includes the upper conflict end inconsistent with check valve body and and non-return valve core
The inconsistent lower conflict end of piece, it is incremented by successively that the diameter of spring down contradicts end by upper conflict end, by using above-mentioned technical side
Case, because spring includes the upper conflict end and with check-valves chip inconsistent lower conflict end inconsistent with check valve body, and
The diameter of spring is down contradicted that end is incremented by successively by upper conflict end, in order to increase active force of the spring to check-valves chip, therefore
By for example above-mentioned structure setting of spring, it is ensured that to the barriering effect for flowing back, therefore practical function can be improved.
The utility model is further arranged to：The section of the spring can be trapezoidal shape.
The utility model is further arranged to：The section of the spring can be oblong-shaped.
By adopting above-mentioned technical proposal, the longitudinal section of spring can be trapezoidal shape, and active force is stable, and adopts longitudinal direction to cut
Face is oblong-shaped structure, is easily caused spring skew, affects backflow effect, therefore the utility model using the longitudinal direction of spring
Section is trapezoidal shape structure.
The utility model is further arranged to：It is additionally provided with the non-return bonnet for supporting check-valves dash skin and stopping
Return the support block of Valve core blade, the section triangular shape of support block.
By adopting above-mentioned technical proposal, it is additionally provided with non-return bonnet for supporting check-valves dash skin and non-return valve core
The support block of piece, the longitudinal section triangular shape of support block is propped up check-valves dash skin and check-valves chip to increase
Support effect, by the support block being provided with non-return bonnet, and the longitudinal section triangular shape of support block, had according to triangle
The characteristics of having stability, further increases to check-valves dash skin and the support effect of check-valves chip, so as to ensure that only
The structural stability of backflow chamber.
Description of the drawings
Fig. 1 is a kind of cross section structure diagram of check-valves embodiment of the utility model.
Reference in figure, 1- check valve bodies, 2- non-return bonnets, 3- check valve spools, 30- check-valves dash skins, 31- stops
Return Valve core blade, 32- springs, 33- support blocks.
Specific embodiment
A kind of check-valves embodiment of the utility model is described further with reference to Fig. 1.
A kind of check-valves, including non-return valve body, non-return valve body includes check valve body 1, non-return bonnet 2 and check-valves
Valve element 3, check valve body 1 is placed in check-valves fuse top, backflow chamber is formed between check valve body 1 and non-return bonnet 2, only
Return valve core 3 to be placed between check valve body 1 and check-valves fuse, one end of check valve spool 3 passes through check valve body 1 and check-valves
The other end of valve element 3 passes through non-return bonnet 2, check-valves dash skin 30 is arranged with check valve spool 3 and for fixing non-return
The check-valves chip 31 of valve guard water skin 30, is additionally provided with spring 32 between check-valves chip 31 and check valve body 1, spring 32 is placed on only
Return outside valve core 3, by adopting above-mentioned technical proposal, spring 32 is additionally provided between check-valves chip 31 and check valve body 1, make
Check-valves chip 31 and check valve body 1 are adjusted by the direction of current, so both simple structure, and backflow effect
Effect is good.
The utility model is further arranged to, spring 32 include the upper conflict end inconsistent with check valve body 1 and with only
Go back to the inconsistent lower conflict end of Valve core blade 31, it is incremented by successively that the diameter of spring 32 down contradicts end by upper conflict end, by adopting
Above-mentioned technical proposal, because spring 32 includes the upper conflict end inconsistent with check valve body 1 and offsets with check-valves chip 31
Tactile lower conflict end, and the diameter of spring 32 down to contradict end by upper conflict end incremented by successively, in order to increase spring 32 to non-return
The active force of Valve core blade 31, therefore by spring 32 such as above-mentioned structure setting, it is ensured that to the barriering effect for flowing back, therefore can improve
Practical function.
The utility model is further arranged to, and the section of spring 32 can be trapezoidal shape.
The utility model is further arranged to, and the section of spring 32 can be oblong-shaped.
By adopting above-mentioned technical proposal, the section of spring 32 can be trapezoidal shape, and active force is stable, and adopts longitudinal direction to cut
Face is oblong-shaped structure, is easily caused spring 32 and offsets, and affects backflow effect, therefore the utility model using spring 32
Longitudinal cross-section is trapezoidal shape structure.
The utility model is further arranged to, and is additionally provided with non-return bonnet 2 for supporting check-valves dash skin 30 and stopping
Return the support block 33 of Valve core blade 31, the longitudinal section triangular shape of support block, in order to increase to check-valves dash skin 30 and only
The support effect of Valve core blade 31 is returned, by the support block 33 being provided with non-return bonnet 2, and the longitudinal section of support block 33 is in three
Angular shape, the characteristics of have stability according to triangle, further increases to check-valves dash skin 30 and check-valves chip 31
Support effect, so as to ensure that the structural stability of backflow chamber.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model and should be included in guarantor of the present utility model
In the range of shield.
Claims (5)
1. a kind of check-valves, including non-return valve body, is characterized in that：The non-return valve body includes check valve body, non-return bonnet
And check valve spool, check valve body be placed in check-valves fuse top, be formed with backflow between check valve body and non-return bonnet
Chamber, check valve spool is placed between check valve body and check-valves fuse, and one end of check valve spool passes through check valve body and stops
The other end for returning valve core passes through non-return bonnet, check-valves dash skin is arranged with the check valve spool and is stopped for fixation
The check-valves chip of valve guard water skin is returned, between the check-valves chip and check valve body spring is additionally provided with, spring is placed on check-valves
Outside valve element.
2. a kind of check-valves according to claim 1, is characterized in that：The spring includes inconsistent with check valve body upper
End and the lower conflict end inconsistent with check-valves chip are contradicted, the diameter of spring down contradicts end and passs successively by upper conflict end
Increase.
3. a kind of check-valves according to claim 2, is characterized in that：The section of the spring can be trapezoidal shape.
4. a kind of check-valves according to claim 1, is characterized in that：The section of the spring can be oblong-shaped.
5. a kind of check-valves according to claim 1, is characterized in that：It is additionally provided with for supporting non-return on the non-return bonnet
The support block of valve guard water skin and check-valves chip, the section triangular shape of support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010382.7U CN206112178U (en) | 2016-08-31 | 2016-08-31 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010382.7U CN206112178U (en) | 2016-08-31 | 2016-08-31 | Check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112178U true CN206112178U (en) | 2017-04-19 |
Family
ID=58516018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621010382.7U Expired - Fee Related CN206112178U (en) | 2016-08-31 | 2016-08-31 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271222A (en) * | 2017-07-05 | 2017-10-20 | 湖北理工学院 | A kind of portable underground/surface water different depth water sampling unit and method |
| CN109260951A (en) * | 2018-10-14 | 2019-01-25 | 苏州五颗星特种超滤膜科技有限公司 | Ultrafiltration apparatus |
| CN109812601A (en) * | 2019-03-26 | 2019-05-28 | 温州卓能阀门有限公司 | A kind of novel sanitation grade check-valves |
-
2016
- 2016-08-31 CN CN201621010382.7U patent/CN206112178U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271222A (en) * | 2017-07-05 | 2017-10-20 | 湖北理工学院 | A kind of portable underground/surface water different depth water sampling unit and method |
| CN109260951A (en) * | 2018-10-14 | 2019-01-25 | 苏州五颗星特种超滤膜科技有限公司 | Ultrafiltration apparatus |
| CN109812601A (en) * | 2019-03-26 | 2019-05-28 | 温州卓能阀门有限公司 | A kind of novel sanitation grade check-valves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20210831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |