CN201002023Y - Rubber liquid-adding device - Google Patents
Rubber liquid-adding device Download PDFInfo
- Publication number
- CN201002023Y CN201002023Y CNU2006200529069U CN200620052906U CN201002023Y CN 201002023 Y CN201002023 Y CN 201002023Y CN U2006200529069 U CNU2006200529069 U CN U2006200529069U CN 200620052906 U CN200620052906 U CN 200620052906U CN 201002023 Y CN201002023 Y CN 201002023Y
- Authority
- CN
- China
- Prior art keywords
- liquid
- valve
- utility
- metal ball
- charger
- 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
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Abstract
The utility model discloses a rubber liquid-filler which is a liquid filling apparatus for the laboratory. The filler is composed of a liquid extracting sack, the valve that controls the entering and going out of the liquid, and the gas-guide tube. The utility model applies to be used together with the extracting tube in order to carry out liquid extraction and moving. This utility model aims at providing a liquid-filler with concise and pretty appearance, which is achieved by hiding the gas-guide tube used for liquid discharge inside the liquid extracting sack. The utility model makes the integrate appearance of the liquid filler symmetrical, overcoming the flaw that similar products at present are not concise and beautiful enough in terms of appearance.
Description
[affiliated technical field]
The utility model is a kind of laboratory liquid feeding utensil, when being applicable to the laboratory obtaining liq, with the supporting use of pipette such as measuring pipette or pipette, to draw and transfer liquid.
[background technology]
At present, liquid is generally moved with ear washing bulb and measuring pipette or the supporting use of pipette in the laboratory, exists liquid absorption and liquid volume added to be difficult for accurately control and needs the deficiency of bimanualness.For overcoming the deficiency of ear washing bulb, " double-ball type rubber charger " invention (patent No.: ZL94237869.5) was once arranged in 1994, this charger is made of Liquid absorption ball, drainage ball, air inlet/outlet and connection pipeline and valve therebetween, can overcome the deficiency of ear washing bulb substantially, but this charger structure is comparatively complicated, and layout is compact inadequately, reasonable between its each part, and general structure is succinct inadequately, attractive in appearance, is unfavorable for implementing.At " double-ball type rubber charger " baroque shortcoming, nineteen ninety-five has been invented " simple and easy rubber charger ", and (patent No.: ZL95236105.1), there is the succinct inadequately shortcoming attractive in appearance of outward appearance equally in " simple and easy rubber charger ".
[summary of the invention]
The purpose of this utility model is: provide a kind of simple in structure and outward appearance succinct charger attractive in appearance.
For reaching above purpose, the technical scheme that the utility model is taked is: the wireway that is used for discharge opeing that will influence the charger outward appearance is hidden in the inside of liquid sucking bag, and makes the overall appearance symmetry of charger.
The beneficial effects of the utility model are: have and nineteen ninety-five invention " simple and easy rubber charger " on all four function, and surface structure is more succinct, uses more convenient.
[description of drawings]
Accompanying drawing is the profile by the charger longitudinal axis.Each several part is respectively: exhaust outlet (1), check valve (2), liquid sucking bag (3), metal ball-valve (4), air inlet/outlet (5), wireway (6) and metal ball-valve (7).
[specific embodiment]
As shown in drawings, the utility model is made of exhaust outlet (1), check valve (2), liquid sucking bag (3), metal ball-valve (4), air inlet/outlet (5), wireway (6) and metal ball-valve (7).Air inlet/outlet (5) communicates with liquid sucking bag (3) by metal ball-valve (4), and liquid sucking bag (3) communicates with the external world by check valve (2) and through exhaust outlet (1), and check valve only allows gas to lead to exhaust outlet (1) by liquid sucking bag (3).Simultaneously, air inlet/outlet (5) communicates with the external world through wireway (6) and exhaust outlet (1) by metal ball-valve (7).Wireway (6) is hidden in the inside of liquid sucking bag (3), and the tube wall of wireway (6) can be used as the part of liquid sucking bag (3) cyst wall.Metal ball-valve (4) is identical with the structure of metal ball-valve (7), Metal Ball or other hard ball big slightly than the wireway internal diameter by a diameter constitute, under static state, because of the elastical retraction of wireway, the wireway inwall closely contacts with the Metal Ball surface, thereby makes metal ball-valve be in closed condition.If, exert pressure at the rubber tube on metal ball-valve surface, can produce the slit between wireway inwall and the Metal Ball surface, metal ball-valve is opened.
Exhaust outlet (1), liquid sucking bag (3), air inlet/outlet (5) are arranged in order on the charger longitudinal axis, the both sides of the longitudinal axis and structure and big or small identical metal ball-valve (4) and metal ball-valve (7) symmetry are placed in, thus make the overall appearance symmetry of charger.
Use of the present utility model is as follows:
(1), extruding liquid sucking bag (3), make gas in it through check valve (2) and exhaust outlet (1) discharge, at this moment, liquid sucking bag (3) is in negative pressure state.
(2), imbibition: locate to put pipette at air inlet/outlet (5), and the lower end of pipette immersed treat the imbibition body, squeeze the rubber tube on metal ball-valve (4) surface again with finger, make between Metal Ball and the rubber tube inwall and the slit occurs, like this, metal ball-valve (4) is opened, and liquid sucking bag (3) communicates with the pipette that is enclosed within air inlet/outlet (5).Because the pressure in the liquid sucking bag (3) is lower than external atmosphere pressure, liquid will be inhaled into pipette.When the liquid level in the pipette arrives required scale, unclamp the finger that squeezes metal ball-valve (4), because the retraction of rubber, metal ball-valve (4) is closed, and stops imbibition.
(3), liquid feeding: squeeze metal ball-valve (7), wireway (6) is communicated with pipette, because wireway (6) communicates with the external world, the liquid in the pipette will flow out automatically because of self gravitation.When the liquid level in the pipette arrives required scale, unclamp the finger that squeezes metal ball-valve (7), metal ball-valve (7) is closed, and stops liquid feeding.
Simple in structure, outward appearance of the present utility model is symmetry succinctly, can replace the dosing function of ear washing bulb fully.
Claims (2)
1, a kind of rubber charger, be made of exhaust outlet (1), check valve (2), liquid sucking bag (3), metal ball-valve (4), air inlet/outlet (5), wireway (6) and metal ball-valve (7), it is characterized in that: the wireway (6) that is used for discharge opeing is hidden in the inside of liquid sucking bag (3).
2, charger according to claim 1 is characterized in that: the outward appearance of charger is the center symmetry with the longitudinal axis of charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200529069U CN201002023Y (en) | 2006-11-23 | 2006-11-23 | Rubber liquid-adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200529069U CN201002023Y (en) | 2006-11-23 | 2006-11-23 | Rubber liquid-adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201002023Y true CN201002023Y (en) | 2008-01-09 |
Family
ID=39037566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200529069U Expired - Fee Related CN201002023Y (en) | 2006-11-23 | 2006-11-23 | Rubber liquid-adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201002023Y (en) |
-
2006
- 2006-11-23 CN CNU2006200529069U patent/CN201002023Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20091223 |