CN110388467A - Imbibition handle control valve - Google Patents
Imbibition handle control valve Download PDFInfo
- Publication number
- CN110388467A CN110388467A CN201810360160.5A CN201810360160A CN110388467A CN 110388467 A CN110388467 A CN 110388467A CN 201810360160 A CN201810360160 A CN 201810360160A CN 110388467 A CN110388467 A CN 110388467A
- Authority
- CN
- China
- Prior art keywords
- piston
- valve body
- handle control
- control valve
- cavity
- 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
- 238000005213 imbibition Methods 0.000 title claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 241000521257 Hydrops Species 0.000 abstract description 3
- 206010030113 Oedema Diseases 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 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
- 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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Abstract
The present invention provides a kind of imbibition handle control valves comprising: valve body, lower end are inlet, and upper end is liquid outlet, and the centre of valve body is the through-hole of a lateral arrangement, and the left and right sides of through-hole forms the first cavity and the second cavity；Piston is threaded through in through-hole, and the first cavity and the second cavity are connected in the lower section of piston；Upper cover and lower cover, upper cover are mounted on one end of piston, and lower cover is mounted on the other end of piston, and the other end of piston is connected by the inner wall of elastomeric element and lower cover；When imbibition handle control valve imbibition, liquid enters the through-hole by inlet, enters the second cavity by piston driving, liquid enters back into the first cavity, and is sucked out valve body.The present invention has done a loop structure on a plastics valve body, substantially improves the problem of common plunger valve is easy hydrops, increases product service life, reduce risk when personnel's attended operation.
Description
Technical field
The present invention relates to life science, in particular to a kind of imbibition handle control valve.
Background technique
In life science, vacuum liquid-absorbing device needs to complete by an imbibition handle at work, this handle
What can be and control all no a syringe needle or pipe.It can certainly be the product with on-off control function.
In life science industry, generally using the imbibition handle for having on-off control function, can accurately control in this way
Imbibition process.In general, the imbibition handle with on-off control function can design the channel passed through for liquid, In in handle
Increase a valve in channel to pass through to control liquid.The vacuum liquid-absorbing handle majority that life science industry uses all is Vertical Square
To what is used, liquid is flowed through to imbibition handle from top to bottom, then is drawn into inside reagent bottle.Conventionally used valve is all general
Logical plunger valve can store some liquid in valve body in imbibition process, if cleaning it is bad have to product and personnel it is certain
It is dangerous.
Fig. 1 is the main view of imbibition handle control valve in the prior art.Fig. 2 is the cross-sectional view splitted in figure along line A-A,
Imbibition handle control valve is in the open state.Fig. 3 is signal when imbibition handle control valve shown in Fig. 2 is in close state
Figure.
As shown in Figure 1 to Figure 3, the plunger valve arrangement 10 used in the prior art includes valve body 11, piston 12, button cap
13, piston spring 14 and valve body lower cover 15, piston 12 cross the valve body, and one end of piston 12 is connect with button cap 13, another
End is connect by piston spring 14 with valve body lower cover 15, and rubber ring 16 is provided between piston 12 and valve body 11.This structure
Valve body in there are very large spaces, and such product is when in use, and in imbibition process, liquid first flows into valve inner simultaneously
Full of valve body, it then can be just sucked into outside, terminating the liquid in rear valve body in imbibition can not be discharged, and be easy to cause product dirty
Dye reduces life of product.
In view of this, those skilled in the art urgently develop a kind of novel imbibition handle control valve, on overcoming
State problem.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome in the prior art imbibition handle control valve terminate in imbibition
Liquid in rear valve body can not be discharged, and be easy to cause contamination of products and reduce the defect of life of product, provide a kind of imbibition handle
Control valve.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of imbibition handle control valve, it is characterized in that, the imbibition handle control valve includes:
The lower end of valve body, the valve body is inlet, and upper end is liquid outlet, and the centre of the valve body is a lateral arrangement
The left and right sides of through-hole, the through-hole forms the first cavity and the second cavity；
Piston, the piston are threaded through in the through-hole, and first cavity and second cavity are in the piston
Lower section connection；
Upper cover and lower cover, the upper cover are mounted on one end of the piston, and the lower cover is mounted on the another of the piston
End, and the other end of the piston is connect by elastomeric element with the inner wall of the lower cover；
When the imbibition handle control valve imbibition, liquid enters the through-hole by the inlet, by the piston band
Dynamic to enter second cavity, liquid enters back into first cavity, and is sucked out the valve body.
According to one embodiment of present invention, first cavity is annulus shape, is concentric circles with the piston.
According to one embodiment of present invention, upper cover sealing ring is provided between the upper cover and the piston.
According to one embodiment of present invention, the upper cover is threadedly coupled with the outside wall surface of the valve body.
According to one embodiment of present invention, lower cover sealing ring is provided between the lower cover and the piston.
According to one embodiment of present invention, the lower cover is threadedly coupled with the outside wall surface of the valve body.
According to one embodiment of present invention, piston seal is provided between the piston and the valve body.
According to one embodiment of present invention, the elastomeric element uses piston spring, an end cap of the piston spring
It is located at the other end of the piston, the other end of the piston spring is fixed to the inner wall of the lower cover.
According to one embodiment of present invention, the valve body is cylinder, and diameter 20mm is highly 35mm.
According to one embodiment of present invention, the valve body uses polyvinylidene fluoride.
The positive effect of the present invention is that:
Imbibition handle control valve of the present invention has done a loop structure on a plastics valve body, substantially improves common
Plunger valve is easy the problem of hydrops, increases product service life, reduces risk when personnel's attended operation.When liquid is logical
Cross after piston seal when flowing into valve body, liquid can because gravity flow directly into the following, be connected in another cavity of valve body,
Liquid is sucked out valve body after passing through this cavity.Liquid will not be accumulated in valve body substantially in this way, pollution is effectively reduced, improve
The service life of product.
Detailed description of the invention
The above and other feature of the present invention, property and advantage will pass through description with reference to the accompanying drawings and examples
And become apparent, identical appended drawing reference always shows identical feature in the accompanying drawings, in which:
Fig. 1 is the main view of imbibition handle control valve in the prior art.
Fig. 2 is the cross-sectional view splitted in figure along line A-A, and imbibition handle control valve is in the open state.
Fig. 3 is schematic diagram when imbibition handle control valve shown in Fig. 2 is in close state.
Fig. 4 is the main view of imbibition handle control valve of the present invention.
Fig. 5 is the cross-sectional view that line B-B is splitted along Fig. 4, and imbibition handle control valve is in the open state.
Fig. 6 is schematic diagram when imbibition handle control valve shown in Fig. 5 is in close state.
Fig. 7 is the perspective view of valve body in imbibition handle control valve of the present invention.
Fig. 8 is the main view of valve body in imbibition handle control valve of the present invention.
Fig. 9 is the rearview of valve body in imbibition handle control valve of the present invention.
Figure 10 is the right view of valve body in imbibition handle control valve of the present invention.
Figure 11 is the cross-sectional view that line C-C is splitted along Fig. 8.
Figure 12 is the enlarged drawing of the part D in Figure 11.
[appended drawing reference]
Plunger valve arrangement 10
Button cap 13
Piston spring 14
Valve body lower cover 15
Rubber ring 16
Imbibition handle control valve 20
Valve body 11,21
Piston 12,22
Upper cover 23
Lower cover 24
Inlet 211
Liquid outlet 212
Through-hole 213
First cavity 214
Second cavity 215
Elastomeric element 25
Upper cover sealing ring 26
Lower cover sealing ring 27
Piston seal 28
Specific embodiment
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates.
The embodiment of the present invention is described with detailed reference to attached drawing now.Now with detailed reference to preferred implementation of the invention
Example, its example is shown in the drawings.In the case of any possible, phase will be indicated using identical label in all the appended drawings
Same or similar part.
In addition, the present invention is said although term used in the present invention is selected from public term
Some terms mentioned in bright book may be that applicant is judged to carry out selection as his or her, and detailed meanings are retouched this paper's
Illustrate in the relevant portion stated.
Furthermore, it is desirable that not only by used actual terms, and be also to the meaning contained by each term
To understand the present invention.
Fig. 4 is the main view of imbibition handle control valve of the present invention.Fig. 5 is the cross-sectional view that line B-B is splitted along Fig. 4, is inhaled
Liquid handle control valve is in the open state.Fig. 6 is signal when imbibition handle control valve shown in Fig. 5 is in close state
Figure.Fig. 7 is the perspective view of valve body in imbibition handle control valve of the present invention.Fig. 8 is valve in imbibition handle control valve of the present invention
The main view of body.Fig. 9 is the rearview of valve body in imbibition handle control valve of the present invention.Figure 10 is imbibition handle of the present invention control
The right view of valve body in valve.Figure 11 is the cross-sectional view that line C-C is splitted along Fig. 8.Figure 12 is the enlarged drawing of the part D in Figure 11.
As shown in Fig. 4 to Figure 12, the invention discloses a kind of imbibition handle control valves 20 comprising valve body 21, piston
22, upper cover 23 and lower cover 24.Wherein, the lower end of valve body 21 is inlet 211, and upper end is liquid outlet 212, in the centre of valve body 21
It is provided with the through-hole 213 of a lateral arrangement, the left and right sides of through-hole 213 forms the first cavity 214 and the second cavity 215.Piston
22 are threaded through in through-hole 213, and the first cavity 214 is connected to the second cavity 215 in the lower section of piston 22.Upper cover 23 is mounted on work
One end of plug 22, lower cover 24 is mounted on the other end of piston 22, and the other end of piston 22 passes through elastomeric element 25 and lower cover 24
Inner wall connection.
As shown in figure 12, when imbibition handle 20 imbibition of control valve, liquid enters through-hole 213 by inlet 21, by living
Plug 22, which drives, enters the second cavity 215, and liquid enters back into the first cavity 214, and is sucked out valve body 21.Liquid flow direction is as in Figure 11
It is cavity behind dotted line presentation-entity shown in arrow is directed toward.
Preferably, the first cavity 214 is set as annulus shape, is concentric circles with piston 22.Between upper cover 23 and piston 22
It is provided with upper cover sealing ring 26.Upper cover 13 is threadedly coupled with the outside wall surface of valve body 21.It is provided with down between lower cover 24 and piston 22
Lid sealing ring 27.Lower cover 24 is threadedly coupled with the outside wall surface of valve body 21.Piston seal is provided between piston 22 and valve body 21
28。
Elastomeric element 25 herein preferably uses piston spring, and one end of the piston spring is set in piston 22
The other end, the other end of the piston spring are fixed to the inner wall of lower cover 24.
It is further preferred that the valve body 21 in imbibition handle control valve 20 of the present invention is set as cylindrical, diameter is about
20mm, height are about 35mm.The material of valve body 21 preferably uses polyvinylidene fluoride (PVDF).
It is described according to above structure, imbibition handle control valve of the present invention uses the shape of similar plunger valve, but valve body
Structure has done new design for the application of such product.In imbibition process, liquid flows into valve body after passing through piston seal
When can be connected in another cavity of valve body, this chamber because gravity flow directly into the following, valve body just designs hole below
Body is annulus shape, is concentric circles with piston, and liquid is sucked out valve body after passing through this cavity.It will not be accumulated substantially in valve body in this way
Liquid storage body reduces pollution, improves the service life of product.
In conclusion imbibition handle control valve of the present invention has done a loop structure on a plastics valve body, significantly
The problem of common plunger valve is easy hydrops is improved, product service life is increased, reduces danger when personnel's attended operation
Property.When liquid is by flowing into valve body after piston seal, liquid can be because gravity be flowed directly into the following, being connected to the another of valve body
In one cavity, liquid is sucked out valve body after passing through this cavity.Liquid will not be accumulated in valve body substantially in this way, effectively reduced
Pollution, improves the service life of product.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (10)
1. a kind of imbibition handle control valve, which is characterized in that the imbibition handle control valve includes:
The lower end of valve body, the valve body is inlet, and upper end is liquid outlet, and the centre of the valve body is the logical of a lateral arrangement
The left and right sides in hole, the through-hole forms the first cavity and the second cavity；
Piston, the piston are threaded through in the through-hole, and first cavity and second cavity are under the piston
Fang Liantong；
Upper cover and lower cover, the upper cover are mounted on one end of the piston, and the lower cover is mounted on the other end of the piston, and
The other end of the piston is connect by elastomeric element with the inner wall of the lower cover；
When the imbibition handle control valve imbibition, liquid by the inlet enter the through-hole, by the piston driving into
Enter second cavity, liquid enters back into first cavity, and is sucked out the valve body.
2. imbibition handle control valve as described in claim 1, which is characterized in that first cavity is annulus shape, with
The piston is concentric circles.
3. imbibition handle control valve as described in claim 1, which is characterized in that be arranged between the upper cover and the piston
There is upper cover sealing ring.
4. imbibition handle control valve as claimed in claim 3, which is characterized in that the outside wall surface of the upper cover and the valve body
It is threadedly coupled.
5. imbibition handle control valve as described in claim 1, which is characterized in that be arranged between the lower cover and the piston
There is lower cover sealing ring.
6. imbibition handle control valve as claimed in claim 5, which is characterized in that the outside wall surface of the lower cover and the valve body
It is threadedly coupled.
7. imbibition handle control valve as described in claim 1, which is characterized in that be arranged between the piston and the valve body
There is piston seal.
8. imbibition handle control valve as described in claim 1, which is characterized in that the elastomeric element uses piston spring,
One end of the piston spring is set in the other end of the piston, and the other end of the piston spring is fixed to the lower cover
Inner wall.
9. imbibition handle control valve as described in claim 1, which is characterized in that the valve body is cylinder, and diameter is
20mm is highly 35mm.
10. the imbibition handle control valve as described in claim 1-9 any one, which is characterized in that the valve body is using poly-
Vinylidene fluoride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360160.5A CN110388467A (en) | 2018-04-20 | 2018-04-20 | Imbibition handle control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360160.5A CN110388467A (en) | 2018-04-20 | 2018-04-20 | Imbibition handle control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388467A true CN110388467A (en) | 2019-10-29 |
Family
ID=68283920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810360160.5A Pending CN110388467A (en) | 2018-04-20 | 2018-04-20 | Imbibition handle control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388467A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612360A (en) * | 1968-08-16 | 1971-10-12 | Du Pont | Apparatus for fluid handling and sampling |
| US4884781A (en) * | 1989-03-14 | 1989-12-05 | Burton Barnett | Tamper resistant valve assembly primarily adapted for sampling of fluids |
| CN1061362A (en) * | 1990-03-21 | 1992-05-27 | D·M·W·(科技)有限公司 | Atomising devices and method |
| CN1103176A (en) * | 1993-06-07 | 1995-05-31 | 积水化学工业株式会社 | Vacuum valve control device and vacum valve |
| JPH07275346A (en) * | 1994-04-04 | 1995-10-24 | Sumitomo Bakelite Co Ltd | Medical suction fluid collector |
| US20050142038A1 (en) * | 2003-12-31 | 2005-06-30 | Rainin Instrument, Llc | Volume adjustable manual pipette with quick set volume adjustment |
| CN200952499Y (en) * | 2006-10-13 | 2007-09-26 | 上海昱豪高压清洗机有限公司 | Self-priming valve on high-pressure cleaner |
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| CN201363426Y (en) * | 2009-03-12 | 2009-12-16 | 周忠良 | Vacuum interface valve capable of automatically cleaning sealing surface by adopting fluid rotation |
| CN102537373A (en) * | 2010-11-19 | 2012-07-04 | 李东民 | Valve for vacuum process |
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| CN204592417U (en) * | 2015-03-24 | 2015-08-26 | 苏州工业园区源荣科创机电有限公司 | External valve controls the integrated filling head of vacuum |
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-
2018
- 2018-04-20 CN CN201810360160.5A patent/CN110388467A/en active Pending
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| US4884781A (en) * | 1989-03-14 | 1989-12-05 | Burton Barnett | Tamper resistant valve assembly primarily adapted for sampling of fluids |
| CN1061362A (en) * | 1990-03-21 | 1992-05-27 | D·M·W·(科技)有限公司 | Atomising devices and method |
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| CN102537373A (en) * | 2010-11-19 | 2012-07-04 | 李东民 | Valve for vacuum process |
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