CN207512172U - A kind of vacuum pipettor - Google Patents
A kind of vacuum pipettor Download PDFInfo
- Publication number
- CN207512172U CN207512172U CN201721563189.0U CN201721563189U CN207512172U CN 207512172 U CN207512172 U CN 207512172U CN 201721563189 U CN201721563189 U CN 201721563189U CN 207512172 U CN207512172 U CN 207512172U
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- China
- Prior art keywords
- vacuum
- suction head
- sewer pipe
- gun body
- vacuum tube
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Abstract
The utility model discloses a kind of vacuum pipettors, are related to testing equipment technology field.The utility model includes vacuum pump, waste collection bottle and imbibition rifle, and imbibition rifle includes gun body, and gun body upper end is provided with vacuum adapter, flow control valve is connected on vacuum adapter；Gun body bottom sets fluid suction head, setting sewer pipe and vacuum tube inside gun body, the upper end of sewer pipe and vacuum tube is connect with vacuum adapter, the lower end of sewer pipe and vacuum tube is connect with fluid suction head, the lower end of the sewer pipe and vacuum tube is provided with switching valve, and the switching valve is used to control the connection between sewer pipe and vacuum tube and fluid suction head.The utility model can realize waste liquid absorption and two kinds of functions of sample extraction, and will not cause sample contamination, can also reduce the probability of contamination of cells.
Description
Technical field
The utility model is related to test equipment technology field, more specifically to a kind of vacuum pipettor.
Background technology
Pipettor may be considered one of most common hand-operated tools in wet-chemistry laboratory room environmental.In general, pipettor
It is used to extract one or more parts subsample from the fluid container of large volume.There is the repeatable use of various configurations currently on the market
In the pipettor of the accurately amount of extraction and distribution and computation fluid.The pipettor sold in the market include can by various ways from
Dynamicization controls or the hand-held model and testing stand model of robot control.
State Intellectual Property Office discloses a Publication No. CN203602627U on May 21st, 2014, entitled
The utility model patent of " a kind of multipurpose cell culture waste liquid absorption device ", the utility model patent one kind can single channels and more
The multipurpose cell culture waste liquid absorption device that uses of channel conversion, the device include front end aspirator, waste collection bottle and true
Sky pump, is tightly connected between them, front end aspirator further includes multiple conversion heads by hose.Front end suckion remover is hollow by one
Cylindrical plastic and its shell with handle function form, there are one small-sized arc-shaped protrusions for the upper end of shell, can facilitate
It is fixed；The exposed a length of 8 ~ 15cm of hollow plastic pipe of suckion remover front lower portion point.The conversion head used, which can be connected, 8 channels
With 4 channel, two kinds of models, it is made of intermediate cuboid, the cylinder of upper end and 8 (or 4) cylinders of lower end.It should
Apparatus structure is simple, easy to operate, and it is fast that waste liquid absorbs speed；Can multichannel conversion use, be widely used in culture bottle, culture dish
With the absorption of waste liquid in culture plate；The general pipette tips of pipettor is coordinated to use, contamination of cells probability can be reduced.
Above-mentioned waste liquid absorption device of the prior art can not achieve the function of extraction one or more parts subsample, timely energy
Enough to realize, which can pollute the sample of extraction, and simple pipettor is merely capable of realizing the effect of extraction sample,
A large amount of waste liquids cannot be absorbed, just two kinds of equipment are needed to be used alternatingly in the lab, increases equipment cost, is also brought to laboratory technician
The inconvenience of operation.
Utility model content
In order to overcome it is above-mentioned in the prior art the defects of and deficiency, the utility model provide a kind of vacuum pipettor, this
The goal of the invention of utility model is intended to provide a kind of vacuum pipettor, can realize that waste liquid is absorbed and two kinds of work(of sample extraction
Can, and sample contamination will not be caused, it can also reduce the probability of contamination of cells.
In order to solve above-mentioned problems of the prior art, the utility model is achieved through the following technical solutions：
A kind of vacuum pipettor including vacuum pump, waste collection bottle and imbibition rifle, leads between vacuum pump and waste collection bottle
Hose sealed connection is crossed, is tightly connected between waste collection bottle and imbibition rifle by hose；It is characterized in that：The imbibition rifle packet
Gun body is included, the gun body upper end is provided with vacuum adapter, flow control valve is connected on vacuum adapter；Gun body bottom sets imbibition
The upper end of head, gun body inside setting sewer pipe and vacuum tube, the sewer pipe and vacuum tube is connect with vacuum adapter, institute
The lower end for stating sewer pipe and vacuum tube is connect with fluid suction head, and the lower end of the sewer pipe and vacuum tube is provided with switching valve, institute
Switching valve is stated for controlling the connection between sewer pipe and vacuum tube and fluid suction head；It is provided at the fluid suction head and is carried for fixation
Take the buckle of pipe.
Gun body upper end side is provided with extraction switch, and the extraction switch passes through connector and the buckle at fluid suction head
It is connected, is used to open or closes buckle.
Finger grip area and palm grip area are provided on the outside of the gun body；The extraction switch is arranged on palm grip area
Upper end.
The junction of the vacuum tube and sewer pipe and vacuum adapter is provided with barrier sheet, and the barrier sheet lower end is arranged on
Vacuum tube and sewer pipe junction, upper end extend to vacuum adapter.
Compared with prior art, technique effect beneficial caused by the utility model is shown：
1st, compared with prior art, the utility model is inhaled waste liquid by setting vacuum tube and sewer pipe inside gun body
Except being integrated on the pipettor of the utility model with two functions of sample extraction, by switching valve realize sewer pipe and vacuum tube with
Alternate communication between fluid suction head when needing to draw waste liquid, then adjusts switching valve so that sewer pipe is connected with fluid suction head, very
Blank pipe is not connected with fluid suction head, is drained into waste collection bottle from sewer pipe by waste liquid；When needing to carry out sample extraction, adjust
Whole switching valve closes the connection between sewer pipe and fluid suction head, the connection between vacuum tube and fluid suction head is opened, in fluid suction head
Fixed extraction pipe, the extraction of the flow control sample by controlling vacuum drawn, sample after extracting is there are in extraction tube, so
The buckle of fluid suction head is unclamped afterwards, replaces extraction tube.The waste liquid of the utility model is absorbed and sample extraction is completed by a set of equipment,
Two pipelines of a set of equipment, will not cause to influence each other, will not pollute, and can effectively reduce experimental facilities cost, letter
Just laboratory technician operates, and will not cause sample contamination, can also reduce the probability of contamination of cells.
2nd, the gun body upper end side of the utility model be provided with extraction switch, it is described extraction switch by connector with
Buckle at fluid suction head is connected, and is used to open or closes buckle.When needing replacing extraction tube, by pressing extraction switch, just
Extraction tube can be decontroled, be convenient for changing extraction tube.
3rd, finger grip area and palm grip area are provided on the outside of gun body described in the utility model；The extraction switch setting
In palm grip area upper end.Laboratory technician is facilitated to hold, is also convenient for laboratory technician's operation, in use, four fingers are placed on finger gripping
Area is held, palm is placed on palm grip area, can adjust flow control valve by forefinger, controls extraction switch by thumb, makes
With more convenient.
4th, the junction of vacuum tube and sewer pipe and vacuum adapter is provided with barrier sheet, and the barrier sheet lower end is arranged on very
Blank pipe and sewer pipe junction, upper end extend to vacuum adapter.It prevents from waste liquid from entering vacuum tube to pollute.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model imbibition rifle schematic cross-sectional view；
Reference numeral：1st, vacuum pump, 2, waste collection bottle, 3, imbibition rifle, 4, hose, 5, gun body, 6, vacuum adapter, 7, stream
Control valve, 8, fluid suction head, 9, sewer pipe, 10, vacuum tube, 11, switching valve, 12, buckle, 13, extraction switch, 14, connector,
15th, finger grip area, 16, palm grip area, 17, barrier sheet, 18, extraction tube.
Specific embodiment
Embodiment 1
As one preferred embodiment of the utility model, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of vacuum pipettor, including vacuum pump 1, waste collection bottle 2 and imbibition rifle, vacuum pump 1 and waste collection bottle 2 it
Between be tightly connected by hose 4, be tightly connected between waste collection bottle 2 and imbibition rifle 3 by hose 4；The imbibition rifle 3 includes
Gun body 5,5 upper end of gun body are provided with vacuum adapter 6, flow control valve 7 are connected on vacuum adapter 6；5 bottom of gun body is set
The upper end of fluid suction head 8,5 inside setting sewer pipe 9 of the gun body and vacuum tube 10, the sewer pipe 9 and vacuum tube 10 with very
Empty connector 6 connects, and the lower end of the sewer pipe 9 and vacuum tube 10 is connect with fluid suction head 8, the sewer pipe 9 and vacuum tube 10
Lower end be provided with switching valve 11, the switching valve 11 is used to control the company between sewer pipe 9 and vacuum tube 10 and fluid suction head 8
It is logical；The buckle 12 for fixed extraction pipe 18 is provided at the fluid suction head 8.
Embodiment 2
As the utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of vacuum pipettor, including vacuum pump 1, waste collection bottle 2 and imbibition rifle, vacuum pump 1 and waste collection bottle 2 it
Between be tightly connected by hose 4, be tightly connected between waste collection bottle 2 and imbibition rifle 3 by hose 4；The imbibition rifle 3 includes
Gun body 5,5 upper end of gun body are provided with vacuum adapter 6, flow control valve 7 are connected on vacuum adapter 6；5 bottom of gun body is set
The upper end of fluid suction head 8,5 inside setting sewer pipe 9 of the gun body and vacuum tube 10, the sewer pipe 9 and vacuum tube 10 with very
Empty connector 6 connects, and the lower end of the sewer pipe 9 and vacuum tube 10 is connect with fluid suction head 8, the sewer pipe 9 and vacuum tube 10
Lower end be provided with switching valve 11, the switching valve 11 is used to control the company between sewer pipe 9 and vacuum tube 10 and fluid suction head 8
It is logical；The buckle 12 for fixed extraction pipe 18 is provided at the fluid suction head 8；
The utility model is absorbed waste liquid and sample extraction two by setting vacuum tube 10 and sewer pipe 9 inside gun body 5
A function is integrated on the pipettor of the utility model, by switching valve 11 realize sewer pipe 9 and vacuum tube 10 and fluid suction head 8 it
Between alternate communication, when need draw waste liquid when, then adjust switching valve 11 so that sewer pipe 9 is connected with fluid suction head 8, vacuum tube
10 do not connect with fluid suction head 8, are drained into waste collection bottle 2 from sewer pipe 9 by waste liquid；When needing to carry out sample extraction,
The connection between the closing sewer pipe 9 of switching valve 11 and fluid suction head 8 is adjusted, opens the connection between vacuum tube 10 and fluid suction head 8,
Fixed extraction pipe 18 in fluid suction head 8, the extraction of the flow control sample by controlling vacuum drawn, the sample after extracting exist
In extraction tube 18, the buckle 12 of fluid suction head 8 is then unclamped, replaces extraction tube 18.The waste liquid of the utility model is absorbed and sample carries
It takes and is completed by a set of equipment, two pipelines of a set of equipment will not cause to influence each other, will not pollute, can be effective
Experimental facilities cost, easy laboratory technician's operation are reduced, and sample contamination will not be caused, can also reduce the probability of contamination of cells.
In the present embodiment, 5 upper end side of gun body is provided with extraction switch 13, and the extraction switch 13 passes through connector 14
It is connected with the buckle 12 at fluid suction head 8, is used to open or closes buckle 12.When needing replacing extraction tube 18, carried by pressing
Take away pass 13, it is possible to extraction tube 18 be decontroled, be convenient for changing extraction tube 18.
Embodiment 3
As the utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
A kind of vacuum pipettor, including vacuum pump 1, waste collection bottle 2 and imbibition rifle, vacuum pump 1 and waste collection bottle 2 it
Between be tightly connected by hose 4, be tightly connected between waste collection bottle 2 and imbibition rifle 3 by hose 4；The imbibition rifle 3 includes
Gun body 5,5 upper end of gun body are provided with vacuum adapter 6, flow control valve 7 are connected on vacuum adapter 6；5 bottom of gun body is set
The upper end of fluid suction head 8,5 inside setting sewer pipe 9 of the gun body and vacuum tube 10, the sewer pipe 9 and vacuum tube 10 with very
Empty connector 6 connects, and the lower end of the sewer pipe 9 and vacuum tube 10 is connect with fluid suction head 8, the sewer pipe 9 and vacuum tube 10
Lower end be provided with switching valve 11, the switching valve 11 is used to control the company between sewer pipe 9 and vacuum tube 10 and fluid suction head 8
It is logical；The buckle 12 for fixed extraction pipe 18 is provided at the fluid suction head 8；
The utility model is absorbed waste liquid and sample extraction two by setting vacuum tube 10 and sewer pipe 9 inside gun body 5
A function is integrated on the pipettor of the utility model, by switching valve 11 realize sewer pipe 9 and vacuum tube 10 and fluid suction head 8 it
Between alternate communication, when need draw waste liquid when, then adjust switching valve 11 so that sewer pipe 9 is connected with fluid suction head 8, vacuum tube
10 do not connect with fluid suction head 8, are drained into waste collection bottle 2 from sewer pipe 9 by waste liquid；When needing to carry out sample extraction,
The connection between the closing sewer pipe 9 of switching valve 11 and fluid suction head 8 is adjusted, opens the connection between vacuum tube 10 and fluid suction head 8,
Fixed extraction pipe 18 in fluid suction head 8, the extraction of the flow control sample by controlling vacuum drawn, the sample after extracting exist
In extraction tube 18, the buckle 12 of fluid suction head 8 is then unclamped, replaces extraction tube 18.The waste liquid of the utility model is absorbed and sample carries
It takes and is completed by a set of equipment, two pipelines of a set of equipment will not cause to influence each other, will not pollute, can be effective
Experimental facilities cost, easy laboratory technician's operation are reduced, and sample contamination will not be caused, can also reduce the probability of contamination of cells；
In the present embodiment, 5 upper end side of gun body is provided with extraction switch 13, and the extraction switch 13 passes through connector 14
It is connected with the buckle 12 at fluid suction head 8, is used to open or closes buckle 12.When needing replacing extraction tube 18, carried by pressing
Take away pass 13, it is possible to extraction tube 18 be decontroled, be convenient for changing extraction tube 18.
Extraction switch 13 is arranged on 16 upper end of palm grip area.Laboratory technician is facilitated to hold, laboratory technician's operation is also convenient for, makes
With in the process, four fingers are placed on finger grip area 15, and palm is placed on palm grip area 16, can adjust flow-rate adjustment by forefinger
Valve controls extraction switch 13 by thumb, more convenient to use.Vacuum tube 10 and sewer pipe 9 and the junction of vacuum adapter 6 are set
Barrier sheet 17 is equipped with, 17 lower end of barrier sheet is arranged on 9 junction of vacuum tube and sewer pipe, and upper end extends to vacuum adapter 6.
It prevents from waste liquid from entering vacuum tube 10 to pollute.
Claims (4)
1. a kind of vacuum pipettor, including vacuum pump (1), waste collection bottle (2) and imbibition rifle (3), vacuum pump (1) is received with waste liquid
It is tightly connected between collection bottle (2) by hose (4), passes through hose (4) between waste collection bottle (2) and imbibition rifle (3) and seal company
It connects；It is characterized in that：The imbibition rifle (3) includes gun body (5), and gun body (5) upper end is provided with vacuum adapter (6), vacuum
Flow control valve (7) is connected on connector (6)；Gun body (5) bottom setting fluid suction head (8), the internal setting waste liquid of the gun body (5)
The upper end of pipe (9) and vacuum tube (10), the sewer pipe (9) and vacuum tube (10) is connect with vacuum adapter (6), the waste liquid
The lower end of pipe (9) and vacuum tube (10) is connect with fluid suction head (8), the lower end setting of the sewer pipe (9) and vacuum tube (10)
There is a switching valve (11), the switching valve (11) is for controlling the company between sewer pipe (9) and vacuum tube (10) and fluid suction head (8)
It is logical；The buckle (12) for fixed extraction pipe (18) is provided at the fluid suction head (8).
2. a kind of vacuum pipettor as described in claim 1, it is characterised in that：Gun body (5) the upper end side, which is provided with, to be carried
Pass (13) is taken away, the extraction switch (13) is connected with the buckle (12) at fluid suction head (8) by connector (14), is used to open
Or close buckle (12).
3. a kind of vacuum pipettor as claimed in claim 2, it is characterised in that：Finger gripping is provided on the outside of the gun body (5)
Hold area (15) and palm grip area (16)；The extraction switch (13) is arranged on palm grip area (16) upper end.
4. a kind of vacuum pipettor as described in claim 1-3 any one, it is characterised in that：The vacuum tube (10) and useless
Liquid pipe (9) and the junction of vacuum adapter (6) are provided with barrier sheet (17), and barrier sheet (17) lower end is arranged on vacuum tube
(10) extend with sewer pipe (9) junction, upper end to vacuum adapter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563189.0U CN207512172U (en) | 2017-11-21 | 2017-11-21 | A kind of vacuum pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563189.0U CN207512172U (en) | 2017-11-21 | 2017-11-21 | A kind of vacuum pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207512172U true CN207512172U (en) | 2018-06-19 |
Family
ID=62539672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721563189.0U Expired - Fee Related CN207512172U (en) | 2017-11-21 | 2017-11-21 | A kind of vacuum pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207512172U (en) |
-
2017
- 2017-11-21 CN CN201721563189.0U patent/CN207512172U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20181121 |