CN214130404U

CN214130404U - Liquid separation pipetting device

Info

Publication number: CN214130404U
Application number: CN202022379247.2U
Authority: CN
Inventors: 郭庆泽; 郭庆松; 郭庆功
Original assignee: Hebei Qiulin Chemical Co ltd
Current assignee: Hebei Qiulin Chemical Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-09-07
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a liquid separating and pipetting device, which comprises a test tube clamp, a fixed pipette and a movable pipette; the test tube clamp comprises a handheld end and a clamping end, the handheld end is fixedly connected with the fixed suction tube, and the clamping end is clamped with the movable suction tube; the movable suction pipe comprises a ventilation end and a liquid drawing end, and the ventilation end is communicated with an automatic inflator. The utility model utilizes the atmospheric pressure principle to enable the fixed suction pipe and the movable suction pipe to respectively enter layered liquid with a certain height difference, the movable suction pipe firstly enters the layered liquid, and upper liquid can not be drawn due to the air pressure in the movable suction pipe and can directly enter lower liquid, then the lower liquid is drawn by adjusting the air pressure, and the upper liquid is drawn by the fixed suction pipe which is higher than the movable suction pipe; by simultaneously drawing layered liquid, the problem that the existing personnel need to repeatedly take up and put down the extraction device when drawing the layered liquid is solved.

Description

Liquid separation pipetting device

Technical Field

The utility model belongs to the liquid separation equipment field, in particular to liquid separation liquid-transfering device.

Background

In some chemical fields, it is often necessary to separate and use some mixed liquids, and after the mixed liquids are separated, the separated liquids are extracted and used respectively.

The liquid that originally mixes each other can appear comparatively obvious layering after the separation of mixed liquid, and the staff carries out the layering through the instrument to the liquid after the layering again and draws, but mixes again in order to prevent the liquid after the layering, draws the in-process at the layering liquid because the difference of each layer of liquid needs draw respectively, has directly led to the staff and need repeatedly take up, put down extraction element's problem when drawing the layering liquid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a liquid separation pipetting device is provided, solve the problem that needs repeatedly to pick up, put down extraction element when drawing layering liquid.

In order to solve the above problem, the utility model adopts the following technical scheme:

a liquid separation and liquid transfer device comprises a test tube clamp, a fixed suction tube and a movable suction tube; the test tube clamp comprises a handheld end and a clamping end, the handheld end is fixedly connected with the fixed suction tube, and the clamping end is clamped with the movable suction tube; the movable suction pipe comprises a ventilation end and a liquid drawing end, and the ventilation end is communicated with an automatic inflator.

As a further improvement of the utility model, the fixed suction pipe comprises a liquid taking end and a suction end, and the suction end is communicated with a suction pump.

As a further improvement of the utility model, the fixed suction pipe is communicated with a first branch pipe; the first branch pipe inclines towards the liquid taking end of the fixed suction pipe.

As a further improvement of the utility model, the movable suction pipe is communicated with a second branch pipe; the second branch pipe is inclined towards the liquid drawing end of the movable suction pipe.

As a further improvement of the utility model, the first branch pipe and the second branch pipe are respectively provided with a switch.

The utility model discloses what obtain is showing beneficial effect

1. The utility model comprises a test tube clamp, a fixed suction tube and a movable suction tube, wherein the holding end of the test tube clamp is fixedly connected with the fixed suction tube, the holding end is clamped with the movable suction tube, and the movable suction tube sucks and discharges liquid through an automatic aerator; move the straw through reciprocating to make and remove the straw and draw the liquid end and be less than fixed straw and get the liquid end, open automatic aerator and make and remove the straw internal gas pressure and be greater than external atmospheric pressure, will remove straw and fixed straw and put into layering liquid simultaneously again, it can at first get into but can not draw upper liquid to remove the straw, fixed straw gets into upper liquid when removing the straw and getting lower floor's liquid, adjust the atmospheric pressure value of automatic aerator to being less than external atmospheric pressure, lower floor's liquid gets into under the effect of atmospheric pressure and removes in the straw, the operation is fixed the straw and is drawn the liquid after the layering and can be collected in step to upper liquid.

The utility model discloses utilize the atmospheric pressure principle to use the straw of different length to absorb in step to the liquid of different aspect, can not make liquid merge at the degree at the in-process of absorbing moreover, not only solved the repeated problem of picking up, putting down extraction element of staff in the current operation, still have convenience, popularization nature and practicality.

2. The fixed suction pipe comprises a suction end and a liquid taking end, and compared with a dropper with a suction pump communicated, the fixed suction pipe has the advantages of intermittent suction and random stop.

3. The first branch pipe that the liquid end was got to fixed straw of inclining towards on the fixed straw has the reposition of redundant personnel effect, draws liquid when more with first branch pipe and other container intercommunications in needs, when liquid removes first branch pipe in fixed straw, liquid can be automatic by first branch pipe flow in the container.

4. The second branch pipe which inclines towards the liquid drawing end of the movable suction pipe has a flow dividing effect, the second branch pipe is communicated with other containers when liquid is required to be drawn, and when the liquid moves to the second branch pipe in the movable suction pipe, the liquid can automatically flow into the containers through the second branch pipe.

5. The first branch pipe and the second branch pipe are respectively connected with the switch in a clamping mode and used for closing the first branch pipe and the second branch pipe when the liquid does not need to be shunted, and the first branch pipe and the second branch pipe can be prevented from influencing the liquid drawing after the switch is closed.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a liquid separating and pipetting device of the present invention;

figure 2 is the utility model discloses liquid separation pipetting device embodiment test tube clamp spatial structure sketch map.

In the attached figure, 1-a test tube clamp, 2-a fixed suction tube, 3-a movable suction tube, 4-a handheld end, 5-a clamping end, 6-an automatic inflator, 7-an air suction pump, 8-a first branch tube, 9-a second branch tube and 10-a switch.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Examples

As shown in FIGS. 1 and 2, a liquid separating and pipetting device comprises a test tube holder 1, a fixed pipette 2 and a movable pipette 3; the test tube clamp 1 comprises a handheld end 4 and a clamping end 5, the handheld end 4 is provided with a through hole, the fixed suction tube 2 is adhered to the test tube clamp 1 through the through hole formed in the handheld end 4, the clamping end 5 is a clamp, and the movable suction tube 3 is clamped on the right side of the fixed suction tube 2 through the clamping end 5; the movable suction pipe 3 comprises a liquid drawing end and a ventilation end, the liquid drawing end is used for drawing layered liquid, and an automatic inflator 6 communicated with the ventilation end is used for adjusting the air pressure in the movable suction pipe 3 to enable the liquid to enter or be discharged; automatic aerator 6 is the most advanced science and technology product that can pass through microprocessor and pressure sensor automatically regulated tire pressure, the utility model discloses use automatic aerator 6's characteristic to carry out the atmospheric pressure adjustment in removing straw 3.

The liquid drawing end of the movable suction pipe 3 is lower than the liquid taking end of the fixed suction pipe 2 by moving the movable suction pipe 3 up and down, and the automatic aerator 6 is opened to ensure that the air pressure in the movable suction pipe 3 is higher than the external air pressure; when the movable suction pipe 3 and the fixed suction pipe 2 are simultaneously put into layered liquid, the movable suction pipe 3 firstly enters but does not draw the upper-layer liquid; fixed straw 2 enters upper liquid when removing straw 3 and getting into lower floor's liquid, adjusts automatic aerator 6 atmospheric pressure value to be less than external atmospheric pressure, and lower floor's liquid gets into under the effect of atmospheric pressure and removes straw 3 in, and the operation is fixed straw 2 and is drawn upper liquid and can be collected the liquid after the layering in step.

In order to further optimize the liquid separation pipetting device of the utility model, the fixed suction tube 2 comprises a liquid taking end and a suction end, and the suction end is communicated with the suction pump 7; the arrangement of the air suction pump 7 can interrupt and intermittently extract liquid at any time in the process of drawing the liquid, and has the advantage of convenient use.

In order to further optimize the liquid separation and liquid transfer device of the utility model, a first branch pipe 8 is communicated with the fixed suction pipe 2, and the first branch pipe 8 inclines towards the liquid taking end of the fixed suction pipe 2; first minute 8's setting can be when fixed straw 2 space is not enough used, carries out the liquid reposition of redundant personnel with other containers intercommunication through first minute 8, and the decurrent setting of first minute 8 slope can make liquid quick the fixed straw 2 that leaves when arriving first minute 8.

In order to further optimize the liquid separation and liquid transfer device of the utility model, the movable suction pipe 3 is communicated with a second branch pipe 9, and the second branch pipe 9 inclines towards the liquid drawing end of the movable suction pipe 3; the setting of second minute pipe 9 can be when removing straw 3 space not enough uses, divides pipe 9 and other containers intercommunication to carry out the liquid reposition of redundant personnel through the second, and the downward setting of second minute pipe 9 slope can make liquid when reaching second minute pipe 9 quick leave remove straw 3.

In order to further optimize the liquid separation pipetting device of the utility model, the first branch pipe 8 and the second branch pipe 9 are respectively provided with a switch 10, the switch 10 is a plug, and when the first branch pipe 8 or the second branch pipe 9 is not needed to be shunted, the first branch pipe 8 and the second branch pipe 9 are closed through the plug; the switch 10 is arranged to prevent the first branch pipe 8 and the second branch pipe 9 from affecting the fixed suction pipe 2 and the movable suction pipe 3 when the flow distribution is not needed.

The using method comprises the following steps: the initial state of the switch 10 is the off state; bonding the fixed suction tube 2 with the handheld end 4 of the test tube clamp 1, determining the height of the liquid drawing end of the movable suction tube 3 lower than the liquid taking end of the fixed suction tube 2 according to the depth of the upper layer liquid after the mixed liquid is layered, clamping the movable suction tube 3 to the right side of the fixed suction tube 2 through the test tube clamp 1, and adjusting the automatic inflator 6 to be an air pressure value higher than the external atmospheric pressure; remove test-tube clamp 1 and put into layering liquid perpendicularly with fixed straw 2 and removal straw 3, because the air pressure value is higher than external air pressure value in the removal straw 3, so upper liquid can not get into in removing straw 3, fixed straw 2 reachs upper liquid when removing straw 3 and reacing lower floor's liquid, can make lower floor's liquid get into in removing straw 3 through adjustment air pressure value, and open aspirator pump 7 simultaneously and make fixed straw 2 draw upper liquid, constantly move down test-tube clamp 1 and can be along with the decline of layering liquid level and will down drawing the in-process.

When more liquid is drawn, the switch 10 is opened to communicate the first branch pipe 8 and/or the second branch pipe 9 with the external closed container, and when the liquid moves to the first branch pipe 8 or the second branch pipe 9, the liquid automatically flows into the external closed container along the first branch pipe 8 or the second branch pipe 9.

The utility model utilizes the atmospheric pressure principle to enable the fixed suction pipe 2 and the movable suction pipe 3 to respectively enter the layered liquid with a certain height difference, the movable suction pipe 3 firstly enters the layered liquid, and the upper layer liquid can not be drawn due to the air pressure in the movable suction pipe 3 and can directly enter the lower layer liquid, then the lower layer liquid is drawn by adjusting the air pressure, and meanwhile, the upper layer liquid is drawn by the fixed suction pipe 2 which is higher than the movable suction pipe 3; by simultaneously drawing layered liquid, the problem that the existing personnel need to repeatedly take up and put down the extraction device when drawing the layered liquid is solved.

Claims

1. A liquid separation pipetting device is characterized in that: comprises a test tube clamp (1), a fixed suction tube (2), a movable suction tube (3) and an automatic inflator (6); the test tube clamp (1) comprises a handheld end (4) and a clamping end (5), the handheld end (4) is fixedly connected with the fixed suction tube (2), and the clamping end (5) is clamped with the movable suction tube (3); the movable suction pipe (3) comprises a ventilation end and a liquid suction end, and the ventilation end is communicated with the automatic inflator (6).

2. The liquid separation pipetting device according to claim 1, characterized in that: the fixed suction pipe (2) comprises a liquid taking end and a suction end, and the suction end is communicated with a suction pump (7).

3. The liquid separation pipetting device according to claim 2, characterized in that: the fixed suction pipe (2) is communicated with a first branch pipe (8); the first branch pipe (8) inclines towards the liquid taking end of the fixed suction pipe (2).

4. The liquid separation pipetting device according to claim 3, characterized in that: the movable suction pipe (3) is communicated with a second branch pipe (9); the second branch pipe (9) inclines towards the liquid drawing end of the movable suction pipe (3).

5. The liquid separation pipetting device according to claim 4, characterized in that: the first branch pipe (8) and the second branch pipe (9) are respectively provided with a switch (10).