CN217663407U - Novel solution transfer device - Google Patents

Abstract

The utility model discloses a novel solution shifts device, include: an inclined nozzle funnel and a volumetric flask bayonet; the lower part of the volumetric flask bayonet is sleeved on the straight pipe part at the upper part of the volumetric flask bayonet; the opening at the upper part of the volumetric flask bayonet is combined with the lower part of the conical surface of the inclined nozzle funnel; the lower part of the inclined nozzle funnel is a straight pipe, and the pipe orifice at the bottom of the inclined nozzle funnel is lower than the bottle mouth of the volumetric flask. By adopting the technical scheme, the inclined nozzle funnel replaces a common funnel to transfer the solution, so that the common funnel is prevented from collapsing in the solution transferring process due to large inclination; the air hole can keep the pressure inside and outside the volumetric flask consistent, ensure that the transferred solution can smoothly flow into the volumetric flask, and prevent the solution from sealing the volumetric flask and causing large internal pressure to cause difficult solution flow; the device is simple and convenient to operate, and is not easy to cause the transfer loss of the solution.

Description

Novel solution transfer device

Technical Field

The utility model belongs to the technical field of chemistry experiment instrument. More specifically, the present invention relates to a novel solution transfer device.

Background

Traditional solution shifts is through the glass stick with solution drainage to the volumetric flask in, in the transfer process, inserts the volumetric flask with a glass stick, the beaker mouth tightly leans on the glass stick, makes solution slowly flow in along the glass stick, the glass stick lower extreme is tightly to lean on the bottleneck inner wall, nevertheless is not too close the bottleneck to there is solution to spill over.

The common funnel has a large inclination, and when the solution is poured into the common funnel, the solution is easily splashed to the outside due to the large inclination, so that the solution is lost.

The operation process requires the care of operators, and the solution can be scattered outside the volumetric flask with a slight carelessness, so that the solution is lost.

Disclosure of Invention

The utility model provides a novel solution transfer device, which aims to make the solution transfer operation simpler, more convenient and more accurate.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model relates to a novel solution transfer device, which is used for transferring experimental solution into a volumetric flask; the solution transfer device comprises: an inclined nozzle funnel and a volumetric flask bayonet; the lower part of the volumetric flask bayonet is sleeved at the upper straight pipe part of the volumetric flask bayonet; the opening at the upper part of the volumetric flask bayonet is combined with the lower part of the conical surface of the inclined nozzle funnel; the lower part of the inclined nozzle funnel is a straight pipe, and the pipe orifice at the bottom of the inclined nozzle funnel is lower than the bottle mouth of the volumetric flask.

The bayonet of the volumetric flask is provided with an air hole.

The number of the air holes is two, and the air holes are symmetrically distributed according to the axis of the volumetric flask.

The air hole is provided with an extension pipe which extends upwards in an inclined way.

The taper of the inclined nozzle funnel is larger than that of the universal standard funnel.

The taper of the inclined nozzle funnel is larger than 90 degrees.

The upper edge opening of the inclined nozzle funnel is provided with an arc-shaped bulge extending outwards.

The material of oblique mouth funnel and volumetric flask bayonet socket be glass.

By adopting the technical scheme, the inclined nozzle funnel replaces the common funnel to transfer the solution, so that the common funnel is prevented from causing splashing in the process of transferring the solution due to large inclination; the air hole can keep the pressure inside and outside the volumetric flask consistent, so that the transferred solution can smoothly flow into the volumetric flask, and the sealing and high internal pressure of the solution on the volumetric flask are prevented, so that the solution is difficult to flow down; the device is simple and convenient to operate, and is not easy to cause the transfer loss of the solution.

Drawings

The contents of the drawings, and the references therein, are briefly described as follows:

fig. 1 is the assembly schematic diagram of the solution transfer device and the volumetric flask of the utility model.

Labeled in the figure as:

1. solution transfer device, 2, volumetric flask, 3, oblique mouth funnel, 4, volumetric flask bayonet socket, 5, gas pocket, 6, arc arch.

Detailed Description

The following detailed description of the present invention is provided to enable those skilled in the art to make and use the present invention, and is provided for the purpose of providing various embodiments and/or implementations of the present invention.

The structure of the utility model is a novel solution transfer device as shown in fig. 1, which is used for transferring the experimental solution into the volumetric flask 2. The utility model discloses mainly used shifts the test of solution to the volumetric flask, through using neotype solution transfer device, shifts with traditional glass stick and compares, can be quick, accurate shift the volumetric flask with solution in, prevent to shift the phenomenon that the weeping appears and cause the loss.

In order to solve the problems existing in the prior art and overcome the defects thereof, the invention aims to make the solution transfer operation simpler, more convenient and more accurate, the utility model adopts the technical scheme that:

as shown in fig. 1, the novel solution transferring device of the present invention comprises: an inclined nozzle funnel 3 and a volumetric flask bayonet 4; the lower part of the volumetric flask bayonet 4 is sleeved on the straight pipe part at the upper part of the volumetric flask bayonet 4; the opening at the upper part of the volumetric flask bayonet 4 is combined with the lower part of the conical surface of the inclined nozzle funnel 3; the lower part of the inclined nozzle funnel 3 is a straight pipe, and the pipe orifice at the bottom of the inclined nozzle funnel is lower than the bottle mouth of the volumetric flask 2.

The utility model discloses fully considered the practicality that solution shifted, be a neotype solution transfer device of a section, the device need not use the glass stick to carry out the drainage, can be simple, convenient, accurate with solution transfer to the capacity in, reduce the loss that solution transfer in-process weeping caused.

The volumetric flask bayonet 4 is provided with an air hole 5. The number of the air holes 5 is two, and the air holes are symmetrically distributed according to the axis of the volumetric flask 2. The air hole 5 is provided with an extension pipe which extends upwards in an inclined way.

The utility model discloses a two gas pockets 5, with volumetric flask bore assorted volumetric flask bayonet socket 4, volumetric flask bayonet socket 4 is the cylinder type cutting ferrule.

Two gas pockets 5 can keep unanimous with the inside and outside pressure of volumetric flask 2, guarantee that the solution of transfer can flow into volumetric flask 2 smoothly, prevent that solution from to the sealed that volumetric flask 2 caused, lead to the solution to be difficult to flow down.

The taper of the inclined nozzle funnel 3 is larger than that of the general standard funnel. In particular, it is required that the taper of said beveled funnel 3 is greater than 90 °.

The device's the first half is oblique mouth funnel 3, and oblique mouth funnel 3's advantage is when adding solution through oblique mouth department, because the inclination of oblique mouth is less, can play the effect that solution slowly flowed, prevents that solution from collapsing to spatter the funnel outside.

The upper edge of the inclined nozzle funnel 3 is provided with an arc-shaped bulge 6 extending outwards. The arrangement of the bulge can slowly pour out the solution from the arc bulge 6 when the solution is transferred,

the material of the inclined nozzle funnel 3 and the material of the volumetric flask bayonet 4 are both glass. The inclined nozzle funnel 3 and the volumetric flask bayonet 4 which are made of glass materials are the same as a solution bottle, and have the advantages of chemical stability, good transparency and durability and long service life.

The utility model discloses an operation mode:

with solution transfer device 1 through volumetric flask bayonet 4 card on volumetric flask 2, transfer solution to volumetric flask 2 through the oblique mouth department of oblique mouth funnel 3 in, easy operation, convenience have reduced the solution transfer loss that the weeping leads to.

The technical effects of the utility model:

1. the inclined nozzle funnel 3 replaces a common funnel to transfer the solution, and due to the fact that the gradient of the inclined nozzle is mild, the common funnel is prevented from being collapsed due to large gradient in the process of transferring the solution;

2. the two air holes 5 can keep the pressure inside and outside the volumetric flask 2 consistent, ensure that the transferred solution can smoothly flow into the volumetric flask 2 and prevent the solution from flowing down difficultly due to the sealing of the solution on the volumetric flask 2;

3. the novel solution transfer device is simple and convenient to operate and is not easy to cause the transfer loss of the solution.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims (7)

1. The utility model provides a novel solution shifts device for shift experiment solution in to volumetric flask (2), its characterized in that: the solution transfer device (1) comprises: an inclined nozzle funnel (3) and a volumetric flask bayonet (4); the lower part of the volumetric flask bayonet (4) is sleeved on the straight pipe part at the upper part of the volumetric flask bayonet (4); an opening at the upper part of the volumetric flask bayonet (4) is combined with the lower part of the conical surface of the inclined nozzle funnel (3); the lower part of the inclined nozzle funnel (3) is a straight pipe, and the pipe orifice at the bottom of the inclined nozzle funnel is lower than the bottle mouth of the volumetric flask (2).

2. The novel solution transfer device of claim 1, wherein: the volumetric flask bayonet (4) is provided with an air hole (5).

3. The novel solution transfer device of claim 2, wherein: the number of the air holes (5) is two, and the air holes are symmetrically distributed according to the axis of the volumetric flask (2).

4. The novel solution transfer set as claimed in claim 2, wherein: the air hole (5) is provided with an extension pipe which extends upwards in an inclined way.

5. The novel solution transfer set as claimed in claim 1, wherein: the taper of the inclined nozzle funnel (3) is larger than 90 degrees.

6. The novel solution transfer device of claim 1, wherein: an arc-shaped bulge (6) extending outwards is arranged on the upper edge opening of the inclined nozzle funnel (3).

7. The novel solution transfer device of claim 1, wherein: the inclined nozzle funnel (3) and the volumetric flask bayonet (4) are both made of glass.

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