CN210752737U

CN210752737U - Closed stock solution device that ration was moved liquid

Info

Publication number: CN210752737U
Application number: CN201921277710.3U
Authority: CN
Inventors: 丁祥青; 马旻明; 顾虹
Original assignee: WUXI ELECTRICAL AND HIGHER VOCATIONAL SCHOOLS
Current assignee: WUXI ELECTRICAL AND HIGHER VOCATIONAL SCHOOLS
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-16
Anticipated expiration: 2029-08-08

Abstract

A closed liquid storage device for quantitatively transferring liquid comprises an open container body, wherein the upper part of the container body is hermetically connected with a cover body, a liquid transfer pipe connecting port and an upper edge opening are arranged on the cover body, the liquid transfer pipe is hermetically connected to the liquid transfer pipe connecting port, one end of the liquid transfer pipe is positioned in the container body, the other end of the liquid transfer pipe is positioned outside the container body, and the horizontal height of a port of the liquid transfer pipe at one end of the liquid transfer pipe outside the container body is lower than that of a port at one end of the liquid transfer; the upper edge opening is an annular opening protruding towards the upper part of the cover body, and a rotatable hard annular cover is arranged on the outer edge of the annular opening in a sealing manner; the annular opening and the annular cover are provided with through holes, the through holes on the annular opening and the annular cover can be overlapped in a staggered mode through rotation of the annular cover, and the upper portion of the upper edge opening is provided with a rubber ball. The utility model relates to a safe in utilization, convenience can quantitatively move the closed stock solution device of liquid.

Description

Closed stock solution device that ration was moved liquid

Technical Field

The utility model relates to an experimental apparatus technical field, concretely relates to closed stock solution device of ration liquid removal.

Background

The container for storing liquid reagent commonly used in laboratory at present is generally a closed liquid storage container made of glass (a few solvents which corrode glass need containers made of other materials), and the closed form is usually closed by matching a container bottle mouth with a frosted inner edge and a bottle stopper with a frosted outer edge. In the process of carrying out experiments in a laboratory, reagents required by the experiments are often required to be taken out from one container and moved to another container/reaction container, the currently common pipetting method is to open a bottle stopper to directly pour the reagents or use special pipetting equipment such as an ear sucking ball, a pipette and the like to carry out solvent transfer, the process is simple and easy to complete for general, low-volatility and nontoxic reagents, but the transfer of reagents with certain volatility and high toxicity such as petroleum ether, acetone, chloroform and the like in the container needs to be carried out in a fume cupboard, the pouring mode is very inconvenient and unsafe, the process of pipetting by using the pipetting equipment is complex, and the pipetting equipment before or after use needs to be cleaned and dried by special solvents, and the pipetting process is complex.

SUMMERY OF THE UTILITY MODEL

It is not enough to prior art, the utility model provides a safe in utilization, convenience, can quantitatively move the closed stock solution device of liquid.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a closed liquid storage device for quantitatively transferring liquid comprises an open container body, wherein the upper part of the container body is hermetically connected with a cover body, a liquid transfer pipe connecting port and an upper edge opening are arranged on the cover body, the liquid transfer pipe is hermetically connected to the liquid transfer pipe connecting port, one end of the liquid transfer pipe is positioned in the container body, the other end of the liquid transfer pipe is positioned outside the container body, and the horizontal height of a port of the liquid transfer pipe at one end of the liquid transfer pipe outside the container body is lower than that of a port at one end of the liquid transfer; the upper edge opening is an annular opening protruding towards the upper part of the cover body, and a rotatable hard annular cover is arranged on the outer edge of the annular opening in a sealing manner; the annular opening and the annular cover are provided with through holes, the through holes on the annular opening and the annular cover can be overlapped in a staggered mode through rotation of the annular cover, and the upper portion of the upper edge opening is provided with a rubber ball.

Furthermore, the connected mode of vessel and lid be threaded connection or joint, the joint for set up bulge loop or concave ring groove in vessel upper portion outer fringe, set up on the lid simultaneously with bulge loop or concave ring groove complex concave ring groove or bulge loop, the position of the interior top of lid and the contact of vessel goes up the edge sets up soft sealing pad in order to realize the sealing connection of vessel and lid simultaneously.

Furthermore, a valve is arranged at the upper part of the port of the pipette at one end of the outer part of the container body and is used for controlling the liquid discharge at the end part of the pipette.

Further, the end of the pipette, which is positioned at the outer end of the container body, is a conical end.

Furthermore, a port of the pipette at one end of the outer part of the container body is connected with a pipetting hose.

Further, the annular cover upper and lower both ends opening, with the annular opening shape the same and the sealed cover is established in annular opening's outside, in order to guarantee the leakproofness of establishing the department, preferred mode does: the lower part of the annular opening is provided with a convex ring or a concave ring groove, the concave ring groove or the convex ring matched with the convex ring or the concave ring groove is arranged at the corresponding position of the annular cover, and the annular cover is in sealing sleeve joint with the annular opening by matching and clamping the convex ring/the concave ring groove on the annular opening and the annular groove/the convex ring on the annular cover.

Further, the rubber ball is arranged at the upper part of the annular opening or the upper part of the annular cover.

Furthermore, the container body is provided with scales, and the scales are scale values of the actual volume inside the container body after the volume of the pipette extending into the container body is removed.

Compared with the prior art, the utility model discloses the advantage that possesses does:

the liquid storage device provided by the utility model can be used for containing toxic volatile solvent, and the container body has good sealing performance, only the through hole at the upper edge opening is communicated with the outside when liquid needs to be transferred, so that the volatilization amount of the internal solvent is greatly limited, and the use safety is very high; the liquid in the container body can be transferred into a container for receiving the solvent from the outside only through the cooperation of the rubber ball, the through hole and the pipette, so that the use convenience is high; the liquid moving amount is recorded through the scales, and the stopping of the liquid moving process is controlled through the valve or the through hole, so that the quantitative liquid moving is convenient to realize.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a usage state diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The closed liquid storage device for quantitative liquid transfer as shown in fig. 1 comprises an open type container body 1, a cover body 2 is hermetically connected to the upper part of the container body 1, a pipette connecting port 21 and an upper edge opening 22 are arranged on the cover body 2, the pipette connecting port 21 is hermetically connected to a pipette 3, one end of the pipette 3 is positioned inside the container body 1, the other end of the pipette 3 is positioned outside the container body 1, and a port 31 of the pipette 3 at the end outside the container body 1 is lower in level than a port 32 at the end inside the container body 1; the upper edge opening 22 is an annular opening protruding towards the upper part of the cover body 2, and a rotatable hard annular cover 23 is arranged on the outer edge of the annular opening in a sealing manner; the annular opening and the annular cover 23 are both provided with through holes 24, the through holes 24 on the annular opening and the annular cover 23 can be overlapped in a staggered way through the rotation of the annular cover 23, and the upper part of the upper edge opening 22 is provided with a rubber ball 25.

Further, the connected mode of vessel 1 and lid 2 be threaded connection or joint, the joint for set up bulge loop or concave ring groove in vessel 1 upper portion outer fringe, set up simultaneously on lid 2 with bulge loop or concave ring groove complex concave ring groove or bulge loop, the position of the interior top of lid 2 and the contact of vessel 1 reason sets up soft sealing pad in order to realize vessel 1 and lid 2 sealing connection, in other embodiments of the utility model, other forms of sealing connection can also be selected.

Further, a valve 33 is arranged at the upper part of the port 31 of the pipette 3 at one end outside the container body 1, and is used for controlling the liquid discharge at the end part of the pipette 3; the part of the pipette 3 outside the container body 1 is secured by a fixing device 34 connected to the container body; an aperture 36 is arranged at the port 32 of the pipette 3 at one end inside the container body 1 to avoid that the port 32 is attracted with the bottom of the container body 1 to affect the solvent transfer.

Furthermore, the port 31 of the pipette 3 at the outer end of the container body 1 is a tapered port, as shown in fig. 2, when pipetting, the sealing film 41 is covered on the mouth of the container 4 for receiving the solvent, the film is punctured through the tapered port and extends into the container 4, and the air hole 42 is punctured on the film 41 by a sharp object, so that the volatilization of the transfer solvent in the container 4 and the harm to the experimenter can be greatly reduced, and the safety of the pipetting process can be ensured.

Further, the pipette 3 is connected with a pipetting hose 35 at the port 31 at one end of the outer part of the container body 1, and the solvent to be transferred is transferred into a container which is not easily connected with the hard pipette 3 and receives the solvent through the hose 35.

Further, the annular cover 23 has openings at the upper and lower ends, the shape of the annular cover is the same as that of the annular opening, the annular cover is hermetically sleeved outside the annular opening, and in order to ensure the sealing property of the sleeved part, the preferable mode is as follows: the lower part of the annular opening is provided with a convex ring or a concave ring groove 26, meanwhile, a concave ring groove or a convex ring 27 matched with the convex ring or the concave ring groove 26 is arranged at the corresponding position of the annular cover 23, the annular cover 23 and the annular opening are hermetically sleeved by matching and clamping the convex ring/concave ring groove 26 on the annular opening and the concave ring/convex ring 27 on the annular cover 23, in order to ensure the sealing performance of the sleeved part, a small amount of lubricating grease can be applied to the sleeved part, and the applied amount needs to be noticed when the lubricating grease is applied, so that the influence on the through hole 24 is avoided.

Further, the rubber ball 25 is disposed at an upper portion of the annular opening or an upper portion of the annular cover 23.

Furthermore, the container body 1 is provided with a scale 28, and the scale 28 is a scale value of the actual volume inside the container body 1 after the volume of the pipette 3 extending into the container body 1 is removed; the utility model discloses move the measurement mode of liquid measure: the container body 1 on be provided with the scale mark and can read the inside solvent volume of container body 1 in real time, under the extrusion of rubber ball 25 solvent flow to pipette 3 and be located the port of the outside one end of container body 1 and read real-time scale and be scale one, read real-time scale after the liquid removal is accomplished and be scale two, the difference between scale one and scale two is the volume of moving the liquid promptly.

The utility model discloses a closed stock solution device's that ration was moved liquid moves liquid process does: when the annular opening and the through hole 24 on the annular cover 23 are dislocated, the internal environment of the container body 1 is a sealed environment and is communicated with the outside only through the pipette 3, and the port of the pipette 3 at the end inside the container body 1 is below the solvent level, at which time the valve is opened, the ambient pressure inside the container body 1 is increased by pressing the rubber ball 25 on the upper edge opening 22, the solvent in the container body 1 can be introduced into the pipette 3, when the solvent flows into the end of the pipette 3 outside the container body 1, the valve is closed, the annular opening and the through hole 24 on the annular cover 23 are overlapped by rotating the annular cover 23, the internal environment of the container body 1 is communicated with the external environment, the extruded rubber ball 25 is slowly loosened, the solvent in the container body 1 can slowly flow into the receiving container under the siphon effect, and the control of the process can be controlled by opening and closing a valve or opening and closing a through hole 24; after the liquid transfer is completed, the valve is closed in advance, then the rubber ball 25 is slowly squeezed and the squeezed state of the rubber ball 25 is kept, the inner environment of the container body 1 is not communicated with the external environment through the rotary annular opening and the through hole 24 in the annular cover 23 to the dislocation state, at the moment, the valve is opened, and the solvent in the pipette 3 can be recovered to the inside of the container body 1 by slowly loosening the rubber ball 25 in the squeezed state.

Claims

1. The utility model provides a closed stock solution device that ration was moved liquid which characterized in that: the container comprises an open container body, wherein the upper part of the container body is hermetically connected with a cover body, the cover body is provided with a pipette connecting port and an upper edge opening, the pipette connecting port is hermetically connected with a pipette, one end of the pipette is positioned in the container body, the other end of the pipette is positioned outside the container body, and the horizontal height of a port of the pipette at one end of the pipette outside the container body is lower than that of a port at one end of the pipette inside the container body; the upper edge opening is an annular opening protruding towards the upper part of the cover body, and a rotatable hard annular cover is arranged on the outer edge of the annular opening in a sealing manner; the annular opening and the annular cover are provided with through holes, the through holes on the annular opening and the annular cover can be overlapped in a staggered mode through rotation of the annular cover, and the upper portion of the upper edge opening is provided with a rubber ball.

2. A closed type liquid storage device for quantitative pipetting according to claim 1, characterized in that: the container body and the cover body are connected in a threaded connection or a clamping connection mode.

3. A closed type liquid storage device for quantitative pipetting according to claim 1, characterized in that: and a valve is arranged at the upper part of the port of the pipette at one end outside the container body.

4. A closed liquid storage apparatus for quantitative pipetting according to claim 1 or 3, characterized in that: the end of the pipette, which is positioned at the outer end of the container body, is a conical end.

5. A closed liquid storage device for quantitative pipetting according to claim 4, characterized in that: the port of the pipette at one end outside the container body is connected with a pipetting hose.

6. A closed type liquid storage device for quantitative pipetting according to claim 1, characterized in that: the upper end and the lower end of the annular cover are provided with openings, and the annular cover and the annular opening have the same shape and are sleeved outside the annular opening in a sealing manner.

7. A closed type liquid storage device for quantitative pipetting according to claim 1, characterized in that: the rubber ball is arranged on the upper part of the annular opening or the upper part of the annular cover.

8. A closed type liquid storage device for quantitative pipetting according to claim 1, characterized in that: the container body is provided with scales.