CN204922107U - A rising -down check valve for reation kettle conveying pipeline way - Google Patents
A rising -down check valve for reation kettle conveying pipeline way Download PDFInfo
- Publication number
- CN204922107U CN204922107U CN201520693136.5U CN201520693136U CN204922107U CN 204922107 U CN204922107 U CN 204922107U CN 201520693136 U CN201520693136 U CN 201520693136U CN 204922107 U CN204922107 U CN 204922107U
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- China
- Prior art keywords
- adjustable lever
- spring
- valve
- valve gap
- check valve
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- Expired - Fee Related
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Abstract
The utility model discloses a rising -down check valve for reation kettle conveying pipeline way, including the valve body, set up valve gap on the valve body, the valve clack in arranging the valve body in, set up uide bushing in the lid, the setting spring at the uide bushing, be provided with the screw thread between valve gap and regulation pole, be provided with the stopper on the regulation pole, the stopper is the biggest decrement of spring apart from the distance of valve gap upper surface, the regulation pole is kept away from the spring end and is provided with the nut, the protection casing top backward is provided with the recess unanimous with the nut shape. The utility model has the advantages that: it is convenient to adjust, can not damage the spring.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of Lift check valve.
Background technique
Solution reaction in reactor well after, need to use pipeline to be transported in next process by the solution in reactor, in order to avoid the solution adverse current in next process enters last process, we need to access a kind of Lift check valve at pipeline enclosure, Lift check valve refers to and relies on medium flowing itself and automatic open and close flap, is used for the valve preventing medium from flowing backwards.
By retrieval, Chinese Patent Application No. 201320394504.7 discloses a kind of Lift check valve, this safety check is provided with spring between flap and valve gap, and be provided with regulating block at spring upper end, the deformation quantity of spring is carried out by changing the regulating block length screwed in valve body, and then the elastic force between adjustment flap and spring, thus regulate the cracking pressure of this safety check, but when regulating regulating block, the regulation range of regulating block does not limit, easy accommodative excess makes the excessive deformation of spring, cause spring irrecoverable, make this safety check disablement, and when regulating this regulating block, need with instruments such as spanners, regulate complicated.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of easy to adjust, can not damage a kind of Lift check valve for reactor feeding pipe of spring.
For achieving the above object, the utility model provides following technological scheme: a kind of Lift check valve for reactor feeding pipe, comprise valve body, be arranged on the valve gap on valve body, be placed in the flap in valve body, be arranged on the guide sleeve in valve gap, valve gap is provided with adjustable lever, described adjustable lever one end is arranged in guide sleeve, spring is provided with in guide sleeve, described spring respectively with flap, adjustable lever is conflicted, described adjustable lever is outside equipped with protective housing, described valve gap and adjustable lever pass through screw-thread fit, described adjustable lever is provided with limiting stopper, described limiting stopper is the maximum compressibility of spring apart from the distance of valve gap upper surface, described adjustable lever is provided with nut away from spring terminal, described protective housing top is oppositely provided with the groove consistent with nut shape.
By adopting technique scheme, adjustable lever is provided with limiting stopper, when the distance that adjustable lever regulates equals spring largest deformation amount, limiting stopper will be conflicted in valve gap, if at this moment pass into solution in the check valve can make spring generation non-recoverable deformation, can judge whether spring is in most compressed state by observing the distance of limiting stopper on valve gap, effectively prevent and after adjustable lever excessively regulates, spring is damaged by pressure, damage spring, when needing to regulate adjustable lever, remove low protection cover, nut on adjustable lever is inserted in groove, operator can rotate protective housing and take adjustment adjustable lever, convenient and swift, also the instrument of spanner can be used to regulate adjustable lever, prevent adjustable lever and the valve gap situation low protection cover that gets rusty from regulating motionless phenomenon to produce.
The utility model is set to further: the matching thread between described adjustable lever and valve gap is sealing thread.
By adopting technique scheme, prevent solution in valve body from adjustable lever and valve gap clearance leakage.
The utility model is set to further: be provided with pad between described adjustable lever and spring.
By adopting technique scheme, prevent when rotation adjusting lever, adjustable lever drives spring to rotate together, causes between spring and guide sleeve and mutually weares and teares, shorten its working life.
The utility model is set to further: described end cap and valve body cooperation place are provided with O type circle.
By adopting technique scheme, preventing solution from leaking from valve gap and valve body cooperation place, causing unnecessary waste.
The utility model is set to further: described valve gap is provided with annular groove, and described protective housing is connected in annular groove.
By adopting technique scheme, protective housing can be connected in annular groove by the annular groove on valve gap, avoid protective housing and lose or drop, when taking off protective housing, use larger pulling force protective housing can be taken out, convenient and swift.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the sectional view of a kind of Lift check valve embodiment for reactor feeding pipe of the utility model;
Fig. 2 is the use sectional view of a kind of Lift check valve embodiment for reactor feeding pipe of the utility model.
Reference character: 1, valve body, 2, valve gap, 3, flap, 4, spring, 5, adjustable lever, 6, limiting stopper, 7, nut, 8, protective housing, 9, groove, 10, O type circle, 11, pad, 12, guide sleeve.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model embodiment is described further.
As shown in Figure 1, a kind of Lift check valve for reactor feeding pipe, comprise valve body 1, be arranged on the valve gap 2 on valve body 1, be placed in the flap 3 in valve body 1, be arranged on the guide sleeve 12 in valve gap 2, valve gap 2 is provided with adjustable lever 5, described adjustable lever 5 one end is arranged in guide sleeve 12, spring 4 is provided with in guide sleeve 12, described spring 4 respectively with flap 3, adjustable lever 5 is conflicted, described adjustable lever 5 is outside equipped with protective housing 8, described valve gap 2 passes through screw-thread fit with adjustable lever 5, described adjustable lever 5 is provided with limiting stopper 6, described limiting stopper 6 is the maximum compressibility of spring 4 apart from the distance of valve gap 2 upper surface, described adjustable lever 5 is provided with nut 7 away from spring 4 end, described protective housing 8 top is oppositely provided with the groove 9 consistent with nut 7 shape.
Adjustable lever 5 is provided with limiting stopper 6, when the distance that adjustable lever 5 regulates equals spring 4 largest deformation amount, limiting stopper 6 will be conflicted in valve gap 2, can make spring 4 that non-recoverable deformation occurs if at this moment pass into solution in the check valve, can judge whether spring 4 is in most compressed state by observing limiting stopper 6 apart from the distance on valve gap 2, effectively prevent and after adjustable lever 5 excessively regulates, spring 4 is damaged by pressure, damage spring 4, when needing to regulate adjustable lever 5, remove low protection cover 8, nut 7 on adjustable lever 5 is inserted in groove 9, operator can rotate protective housing 8 and take adjustment adjustable lever 5, convenient and swift, also the instrument of spanner can be used to regulate adjustable lever 5, prevent adjustable lever 5 and the valve gap 2 situation low protection cover 8 that gets rusty from regulating motionless phenomenon to produce.
The solution of certain pressure is passed in valve body 1, solution is entered flap 3 jack-up from import, at this moment flap 3 is by Compress Spring 4, safety check will be opened, when needing to change the pressure of flap 3 jack-up, protective housing 8 is taken off from valve body 1, protective housing 8 is inverted, nut 7 on adjustable lever 5 is inserted in the groove 9 on protective housing 8, rotate protective housing 8, protective housing 8 can drive adjustable lever 5 to rotate, the extending amount of adjustable lever 5 meeting Regulation spring 4, and then the pressure changed needed for solution jack-up flap 3, observe the distance between limiting stopper 6 and valve gap 2, prevent limiting stopper 6 from contacting with valve gap 2, when limiting stopper 6 contacts with valve gap 2, under spring 4 is in most compressed state, if at this moment pass into the solution of larger pressure again, flap 3 can be made to be compressed further by spring 4, spring 4 is caused to produce non-recoverable deformation, spring 4 was lost efficacy.
Matching thread between described adjustable lever 5 and valve gap 2 is sealing thread, prevents solution in valve body 1 from adjustable lever 5 and valve gap 2 clearance leakage.
Be provided with pad 11 between described adjustable lever 5 and spring 4, prevent when rotation adjusting lever 5, adjustable lever 5 drives spring 4 to rotate together, causes between spring 4 and guide sleeve 12 and mutually weares and teares, shorten its working life.
Described end cap and valve body 1 cooperation place are provided with O type circle 10, prevent solution from leaking from valve gap 2 and valve body 1 cooperation place, cause unnecessary waste.
Described valve gap 2 is provided with annular groove 9, and described protective housing 8 is connected in annular groove 9.
By adopting technique scheme, by the groove 9 on valve gap 2, protective housing 8 can be connected in groove 9, avoid protective housing 8 and lose or drop, when taking off protective housing 8, use larger pulling force protective housing 8 can be taken out, convenient and swift.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the Lift check valve for reactor feeding pipe, comprise valve body, be arranged on the valve gap on valve body, be placed in the flap in valve body, be arranged on the guide sleeve in valve gap, valve gap is provided with adjustable lever, described adjustable lever one end is arranged in guide sleeve, spring is provided with in guide sleeve, described spring respectively with flap, adjustable lever is conflicted, described adjustable lever is outside equipped with protective housing, described valve gap and adjustable lever pass through screw-thread fit, it is characterized in that: described adjustable lever is provided with limiting stopper, described limiting stopper is the maximum compressibility of spring apart from the distance of valve gap upper surface, described adjustable lever is provided with nut away from spring terminal, described protective housing top is oppositely provided with the groove consistent with nut shape.
2. a kind of Lift check valve for reactor feeding pipe according to claim 1, is characterized in that: the matching thread between described adjustable lever and valve gap is sealing thread.
3. a kind of Lift check valve for reactor feeding pipe according to claim 1, is characterized in that: be provided with pad between described adjustable lever and spring.
4. a kind of Lift check valve for reactor feeding pipe according to claim 1, is characterized in that: described end cap and valve body cooperation place are provided with O type circle.
5. a kind of Lift check valve for reactor feeding pipe according to claim 1, it is characterized in that: described valve gap is provided with annular groove, described protective housing is connected in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693136.5U CN204922107U (en) | 2015-09-09 | 2015-09-09 | A rising -down check valve for reation kettle conveying pipeline way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693136.5U CN204922107U (en) | 2015-09-09 | 2015-09-09 | A rising -down check valve for reation kettle conveying pipeline way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922107U true CN204922107U (en) | 2015-12-30 |
Family
ID=54971236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520693136.5U Expired - Fee Related CN204922107U (en) | 2015-09-09 | 2015-09-09 | A rising -down check valve for reation kettle conveying pipeline way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108359585A (en) * | 2018-05-21 | 2018-08-03 | 河南工学院 | Energy-saving biological reaction kettle |
| CN114935026A (en) * | 2022-06-13 | 2022-08-23 | 昆山新莱洁净应用材料股份有限公司 | Experimental valve for measuring valve force value, measuring method thereof and one-way valve |
-
2015
- 2015-09-09 CN CN201520693136.5U patent/CN204922107U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108359585A (en) * | 2018-05-21 | 2018-08-03 | 河南工学院 | Energy-saving biological reaction kettle |
| CN114935026A (en) * | 2022-06-13 | 2022-08-23 | 昆山新莱洁净应用材料股份有限公司 | Experimental valve for measuring valve force value, measuring method thereof and one-way valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20170909 |