CN211385062U - Device for extracting experimental waste liquid - Google Patents
Device for extracting experimental waste liquid Download PDFInfo
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- CN211385062U CN211385062U CN201922361114.XU CN201922361114U CN211385062U CN 211385062 U CN211385062 U CN 211385062U CN 201922361114 U CN201922361114 U CN 201922361114U CN 211385062 U CN211385062 U CN 211385062U
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Abstract
The utility model relates to the technical field of biological or chemical experiments, and discloses a device for pumping away experimental waste liquid with small volume and simple and convenient use, which is provided with a waste liquid bottle for containing the experimental waste liquid to be collected, a sealing cover and a liquid pumping device, wherein the sealing cover is provided with at least two hollow switching columns, the liquid pumping device is arranged at the top of the sealing cover, one end of an exhaust hose is arranged on one switching column, and the other end of the exhaust hose is arranged on a vacuum pump and extends outwards; one end of the liquid suction hose is arranged on the other adapter column, and the other end of the liquid suction hose extends outwards to be connected with the suction head; the controlled end of the vacuum pump is connected with the control end of the circuit board to drive the vacuum pump to work, and during liquid suction, the vacuum pump works to form negative pressure in the waste liquid bottle, so that the experimental waste liquid is sucked into the waste liquid bottle through the negative pressure.
Description
Technical Field
The utility model relates to a biology or chemistry experiment technical field, more specifically say, relate to a device for taking out from experiment waste liquid.
Background
Can produce some experimental waste liquids often in biological or chemical experiments, it is more time consuming and laboursome to take out from the waste liquid with the pipettor is manual, and the waste liquid suction pump that has now on the market is too bulky, occupies too much space, needs directly to link the power moreover, uses inconvenient, in addition, adopts high-power vacuum pump, takes the electric quantity great.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned waste liquid suction pump of prior art occupy too many spaces and take the great defect of electric quantity, provide a device that is used for taking out from experimental waste liquid that the volume is less and use portably.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
in a first aspect, the present invention provides a technical solution for the technical problem: an apparatus for extracting an experimental waste liquid is constructed, comprising:
the waste liquid bottle is formed into a bottle body with an opening at one side and is used for containing experimental waste liquid to be collected;
the sealing cover is formed into a cylindrical structure, at least one hollow adapter column is arranged on the sealing cover, and the sealing cover is used for sealing the opening of the waste liquid bottle;
a liquid pumping device arranged on the top of the sealing cover, wherein,
the liquid pumping device comprises a vacuum pump, a liquid suction hose, an exhaust hose, a storage battery and a circuit board;
one end of the exhaust hose is mounted on the adapter column, and the other end of the exhaust hose is mounted on the vacuum pump and extends outwards;
one end of the liquid suction hose is arranged on the other adapter column, and the other end of the liquid suction hose extends outwards to be connected with the suction head;
the output/input end of the circuit board is coupled to the output end of the storage battery and provides a working power supply for the circuit board;
the controlled end of the vacuum pump is connected with the control end of the circuit board so as to drive the vacuum pump to work;
and during liquid suction, the vacuum pump works to enable negative pressure to be formed in the waste liquid bottle, and the experimental waste liquid is sucked into the waste liquid bottle through the negative pressure.
In a second aspect, the present invention also provides a device for extracting experimental waste liquid, comprising:
the waste liquid bottle is formed into a bottle body with an opening at one side and is used for containing experimental waste liquid to be collected;
the sealing cover is formed into a cylindrical structure, at least one hollow adapter column is arranged on the sealing cover, and the sealing cover is used for sealing the opening of the waste liquid bottle;
a liquid pumping device arranged on the top of the sealing cover, wherein,
the liquid extractor comprises a micro water pump, a liquid absorption hose, an exhaust hose, a storage battery and a circuit board;
one end of the liquid suction hose extends outwards to be connected with the suction head, and the other end of the liquid suction hose is connected with the adapter column through the miniature water pump;
one end of the exhaust hose extends outwards, and the other end of the exhaust hose is mounted on the other adapter column;
the output/input end of the circuit board is coupled to the output end of the storage battery and provides a working power supply for the circuit board;
the controlled end of the micro water pump is connected with the control end of the circuit board so as to drive the micro water pump to work;
when drawing liquid, the miniature water pump works, and the experimental waste liquid is sucked into the waste liquid bottle through the liquid suction hose.
In some embodiments, the liquid extractor and the sealing cap are integrally formed or may be separately provided.
In some embodiments, the liquid extractor further comprises an adapter, one end of the adapter is connected with one end of the liquid absorbing hose, and the other end of the adapter is matched with the suction head.
In some embodiments, the inner diameter of the suction hose and the vent hose is set between 1mm and 10 mm.
In some embodiments, the air pump further comprises a filter membrane, wherein the filter membrane is arranged on the exhaust hose outside the liquid extractor.
In some embodiments, the pore size of the filter membrane is set between 0.22-0.45 um.
In some embodiments, the volume of the waste liquid bottle is set to 0.25-5L.
The device for extracting the experimental waste liquid comprises a waste liquid bottle for containing the experimental waste liquid to be collected; the sealing cover is provided with at least one switching column, and the liquid pumping device is arranged at the top of the sealing cover and comprises a vacuum pump, a liquid suction hose, an exhaust hose, a storage battery and a circuit board; one end of the liquid suction hose extends outwards to be connected with the suction head, and the controlled end of the vacuum pump is connected with the control end of the circuit board to drive the vacuum pump to work; when the liquid is absorbed, the vacuum pump works, so that negative pressure is formed in the waste liquid bottle, and the experimental waste liquid is absorbed into the waste liquid bottle. Compared with the prior art, on one hand, the device is more simple, small in size, light in weight, portable and can be easily moved and used, and the experimental platform does not occupy too much space; on the other hand, the charging device can be repeatedly charged for use without connecting a power line to the outside of the workbench; the waste liquid bottles with different volume specifications can be selected according to the needs of users, can be recycled, and contain sterile filter heads or organic gas filter heads, so that the pollution or damage to people and experiments caused by the fact that gas in the waste liquid bottles volatilizes into a safety cabinet, a super clean bench or an experiment platform is avoided.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic perspective view of an embodiment of the present invention for extracting experimental waste liquid;
FIG. 2 is a schematic perspective view of another embodiment of the apparatus for extracting waste liquid from an experiment according to the present invention;
fig. 3 is a perspective view of an embodiment of the liquid pump of the present invention;
fig. 4 is a perspective view of another embodiment of the liquid pump of the present invention;
fig. 5 is a perspective view of an embodiment of the sealing cap of the present invention;
fig. 6a is a schematic structural view of an embodiment of the water pump, the storage battery and the circuit board according to the present invention;
fig. 6b is a partial sectional view of the part a of the embodiment of the liquid extractor of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of an embodiment of the present invention for extracting experimental waste liquid; FIG. 2 is a schematic perspective view of another embodiment of the apparatus for extracting waste liquid from an experiment according to the present invention; fig. 3 is a perspective view of an embodiment of the liquid pump of the present invention; fig. 4 is a perspective view of another embodiment of the liquid pump of the present invention; fig. 5 is a perspective view of an embodiment of the sealing cover of the present invention. As shown in fig. 1-5, the first embodiment of the device for extracting experimental waste liquid of the present invention mainly comprises a liquid extractor 10, a sealing cap 20 and a waste liquid bottle 30.
The waste liquid bottle 30 is formed as a bottle with an opening at one side for containing the experimental waste liquid to be collected. The outer side of the bottle mouth of the waste liquid bottle 30 is provided with an external thread, the capacity of the waste liquid bottle can be set to be 0.25-5L, and of course, a user can select different volume specifications according to the specific requirements of experiments and can recycle the waste liquid bottle.
The sealing cap 20 is formed in a cylindrical structure, and has a screw thread formed at an inner side thereof to be engaged with the external screw thread of the waste liquid bottle 30, so that the waste liquid bottle 30 forms a closed space.
As shown in fig. 5, at least two hollow adapter columns (201, 202) are disposed on the sealing cap 20, the adapter columns (201, 202) penetrate the sealing cap 20, one end of the adapter columns (201, 202) can extend into the waste liquid bottle 30, and the other end of the adapter columns (201, 202) can be used in cooperation with the liquid extractor 10.
The liquid suction means 10 is formed as a cylindrical body which is provided on the top of the sealing cap 20, and the liquid suction means 10 is formed integrally with or detachably from the sealing cap 20.
The liquid extractor 10 includes a vacuum pump 101, a circuit board 103, exhaust hoses (104a, 104b), a battery 105, a filter membrane 106, an adapter 107, a suction head 108, and liquid suction hoses (102a, 102 b).
The liquid extractor 10 is provided with two channels, one is a waste liquid inlet channel, the other is an air outlet channel, and the corresponding sealing cover 20 is also provided with adapter columns (201, 202) for passing through the channels.
The vacuum pump 101 is an apparatus for obtaining a vacuum by mechanically and physically and chemically evacuating a container to be evacuated, and is a device for improving, generating and maintaining a vacuum in a closed space by evacuating.
During the filtration process, the filtration membrane 106 is usually performed in a direct-flow filtration mode (including surface filtration and depth filtration) and a cross-flow filtration mode, the pore size of the filtration membrane 106 is set to be 0.22-0.45um, the thickness is uniform, and the filtration membrane 106 has a porous solid continuous phase with a screen mesh characteristic.
The liquid suction hoses (102a, 102b) have resistance to weak acids, weak bases and common organic solvents, and have an inner diameter of 1mm to 10 mm. The suction hose 102a is further provided with a hose control valve (not shown) connected to the suction hose 102a for controlling the flow rate of the liquid in the suction hose 102 a.
Specifically, one end of the exhaust hose 104a is mounted on a transfer post 201, and the other end of the exhaust hose 104b is mounted on the vacuum pump 101 and extends outward.
One end of the suction hose 102b is attached to the other adapter 202, and the other end of the suction hose 102a extends outward and is connected to the suction head 108 via the adapter 107.
It should be noted that the exhaust hoses 104a of the suction hose 102b have different pipe diameters and lengths, and the pipe length of the suction hose 102b is longer than that of the exhaust hose 104 a.
Further, the input/output terminal of the circuit board 103 is coupled to the output terminal of the battery 105, and provides a working power supply for the circuit board 103 and the vacuum pump 101.
The controlled end of the vacuum pump 101 is connected with the control end of the circuit board 103 to drive the vacuum pump 101 to operate.
During liquid suction, the vacuum pump 101 works to form negative pressure in the waste liquid bottle 30 and suck the experimental waste liquid into the waste liquid bottle 30.
In another embodiment of the present invention, the device comprises a liquid suction device 10, a sealing cap 20 and a waste liquid bottle 30. The liquid pump 10 includes a micro water pump 102, a circuit board 103, liquid suction hoses (102a and 102b), an exhaust hose 104 (corresponding to fig. 4), and a battery 105.
It should be noted that, in the present embodiment, the structure, connection relationship and function of the sealing cap 20 and the waste liquid bottle 30 are the same as those of the sealing cap 20 and the waste liquid bottle 30, and are not described herein again.
The micro-pump 102 is used to deliver or pressurize fluid, and transfers mechanical energy from a prime mover or other external energy to the fluid, causing the fluid to be energized.
Specifically, one end of the suction hose 102a extends outwardly and is connected to the suction head 108 through the adapter 107, and the other end of the suction hose 102b is connected to an adapter 202 through the micro-pump 102.
One end of the exhaust hose 104 extends outward, and the other end of the exhaust hose 104 is mounted on the other adapter column 201.
Further, an output/input terminal of the circuit board 103 is coupled to an output terminal of the battery 150, and provides a working power supply for the circuit board 103 and the micro-water pump 102.
The controlled end of the micro water pump 102 is connected with the control end of the circuit board 103, and is used for driving the micro water pump 102 to work.
When drawing liquid, the micro-water pump 102 operates, and the pressure of the liquid suction hoses (102a, 102b) is increased, so that the experimental waste liquid is sucked into the waste liquid bottle 30 through the liquid suction hoses (102a, 102 b).
The device is simple, small in size, light in weight, portable and easy to move and use, and does not occupy too much space of an experiment platform; on the other hand, the charging device can be repeatedly charged for use without connecting a power line to the outside of the workbench; can select different volume specification waste liquid bottles according to user's demand, and can recycle, contain aseptic filter head or organic gas filter head to avoided the interior gas of waste liquid bottle to volatilize to cause pollution or damage to people and experiment in safety cabinet, superclean bench or the experiment platform.
In some embodiments, to increase the flexibility of use of the device for extracting experimental waste, an adapter 107 may be provided in the extractor 10. Specifically, one end of the adapter 107 is connected to one end of the suction hose 102a, and the other end of the adapter 107 is fitted to the suction head 108.
It should be noted that the suction head 108 is provided with at least one suction channel.
In some embodiments, to meet the suction and exhaust requirements of the apparatus for drawing off laboratory waste, the inner diameters of the suction hose (102a, 102b) and the exhaust hose 104 may be set between 1mm and 10 mm.
The liquid suction hoses (102a, 102b) and the air exhaust hose 104 are resistant to corrosion by weak acids, weak bases and common organic solvents, thereby ensuring normal operation of the experiment.
In some embodiments, in order to reduce the environmental impact of the experimental exhaust, a filter membrane 106 may be disposed on the exhaust side of the liquid extractor 10. Wherein the aperture of the filter membrane 106 is set between 0.22 um and 0.45 um.
Specifically, the filter membrane 106 is provided in the exhaust hose 104b outside the liquid pump 30, and the exhaust gas pumped by the vacuum pump 101 is treated by the filter membrane 106 and then discharged to the outside.
In some embodiments, a USB charging port 103a and a speed valve 103b are provided on the exterior of the pump 10. The USB charging port 103a and the speed regulating valve 103b are electrically connected to the circuit board 103.
When the portable USB charging device is used, the USB charging device can be selected to be charged or connected with a power line for use, the liquid absorption is about 5 hours every day, the portable USB charging device can be used for 5 days, the charging and working state indicating lamp is included, and the portable USB charging device can be connected with the power line to work under the condition of power shortage.
The speed regulating valve 103 is provided with a fast gear, a medium gear and a slow gear and a power-on switch gear, and is used for regulating the rotating speed of the micro water pump 102 so as to control the flow of the waste liquid extracted by the micro water pump 102.
Specifically, the speed control valve 103 can control the opening and closing of the vacuum pump 101 when the speed control valve is rotated to one side by adjusting the power of the vacuum pump 101 to change the vacuum degree in the waste liquid bottle 30.
Fig. 6a is a schematic structural view of an embodiment of the water pump, the storage battery and the circuit board according to the present invention; fig. 6b is a partial sectional view of the part a of the embodiment of the liquid extractor of the present invention. As shown in fig. 6a and 6b, the liquid pump 10 is a partially solid structure, and has circular holes formed therein for fixing the micro-pump 102, the vacuum pump 101, and the battery 105.
As shown in FIG. 6b, the position a1 is used to fix the battery 105, and the position a2 is used to fix the micro-water pump 102.
Note that the vacuum pump 101 is fixed in the same manner as the micro-water pump 102 (not shown in fig. 6).
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (8)
1. An apparatus for extracting an experimental waste liquid, comprising:
the waste liquid bottle is formed into a bottle body with an opening at one side and is used for containing experimental waste liquid to be collected;
the sealing cover is formed into a cylindrical structure, at least two hollow adapter columns are arranged on the sealing cover, and the sealing cover is used for sealing an opening of the waste liquid bottle;
a liquid pumping device arranged on the top of the sealing cover, wherein,
the liquid pumping device comprises a vacuum pump, a liquid suction hose, an exhaust hose, a storage battery and a circuit board;
one end of the exhaust hose is mounted on the adapter column, and the other end of the exhaust hose is mounted on the vacuum pump and extends outwards;
one end of the liquid suction hose is arranged on the other adapter column, and the other end of the liquid suction hose extends outwards to be connected with the suction head;
the output/input end of the circuit board is coupled to the output end of the storage battery and provides a working power supply for the circuit board;
the controlled end of the vacuum pump is connected with the control end of the circuit board so as to drive the vacuum pump to work;
and during liquid suction, the vacuum pump works to enable negative pressure to be formed in the waste liquid bottle, and the experimental waste liquid is sucked into the waste liquid bottle through the negative pressure.
2. An apparatus for extracting an experimental waste liquid, comprising:
the waste liquid bottle is formed into a bottle body with an opening at one side and is used for containing experimental waste liquid to be collected;
the sealing cover is formed into a cylindrical structure, at least two hollow adapter columns are arranged on the sealing cover, and the sealing cover is used for sealing an opening of the waste liquid bottle;
a liquid pumping device arranged on the top of the sealing cover, wherein,
the liquid extractor comprises a micro water pump, a liquid absorption hose, an exhaust hose, a storage battery and a circuit board;
one end of the liquid suction hose extends outwards to be connected with the suction head, and the other end of the liquid suction hose is connected with the adapter column through the miniature water pump;
one end of the exhaust hose extends outwards, and the other end of the exhaust hose is mounted on the other adapter column;
the output/input end of the circuit board is coupled to the output end of the storage battery and provides a working power supply for the circuit board;
the controlled end of the micro water pump is connected with the control end of the circuit board so as to drive the micro water pump to work;
when drawing liquid, the miniature water pump works, and the experimental waste liquid is sucked into the waste liquid bottle through the liquid suction hose.
3. The apparatus for extracting experimental waste liquid according to claim 1 or 2,
the liquid extractor and the sealing cover are integrally formed or can be arranged separately.
4. The apparatus for extracting experimental waste liquid according to claim 3,
the liquid suction device further comprises an adapter, one end of the adapter is connected with one end of the liquid suction hose, and the other end of the adapter is matched with the suction head.
5. The apparatus for extracting laboratory waste liquid according to claim 4,
the inner diameters of the liquid suction hose and the exhaust hose are set between 1mm and 10 mm.
6. The apparatus for extracting laboratory waste liquid according to claim 5,
the air exhaust device further comprises a filtering membrane, and the filtering membrane is arranged on the air exhaust hose outside the liquid extractor.
7. The apparatus for extracting laboratory waste liquid according to claim 6,
the aperture of the filter membrane is set between 0.22 um and 0.45 um.
8. The apparatus for extracting laboratory waste liquid according to claim 7,
the capacity of the waste liquid bottle is set to be 0.25-5L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922361114.XU CN211385062U (en) | 2019-12-25 | 2019-12-25 | Device for extracting experimental waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922361114.XU CN211385062U (en) | 2019-12-25 | 2019-12-25 | Device for extracting experimental waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211385062U true CN211385062U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922361114.XU Active CN211385062U (en) | 2019-12-25 | 2019-12-25 | Device for extracting experimental waste liquid |
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| Country | Link |
|---|---|
| CN (1) | CN211385062U (en) |
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- 2019-12-25 CN CN201922361114.XU patent/CN211385062U/en active Active
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