CN219473414U - Bucket for liquid nitrogen container - Google Patents

Abstract

The utility model discloses a liquid nitrogen container lifting barrel which comprises a barrel body, a lifting plate, a through hole, a turning plate, a connecting rod, a lifting handle, a liquid outlet pipe and a valve, wherein the lifting plate is arranged to reciprocate in the barrel body to drive the air pressure in the barrel to change, the through hole is closed by the turning plate when the air pressure is increased, liquid nitrogen in the lifting barrel is discharged out of a liquid nitrogen container through the liquid outlet pipe under the action of high pressure, and the lifting barrel is arranged in such a way that the liquid nitrogen can be taken out under the condition that the lifting barrel is not taken out, so that the liquid nitrogen loss caused by long-time opening of the liquid nitrogen container when the lifting barrel is taken out is avoided, the possibility of contact between a human body and the lifting barrel is avoided when the liquid nitrogen is taken out, and the risk of frostbite caused by careless contact with the liquid nitrogen is avoided, and safer liquid nitrogen extraction is realized.

Description

Bucket for liquid nitrogen container

Technical Field

The utility model relates to the technical field of freezing storage, in particular to a bucket for a liquid nitrogen container.

Background

Liquid nitrogen is an important chemical in the biological experiment process, and the temperature is about-190 ℃, and the liquid nitrogen is used for transferring and freezing tissues and cells. Because the temperature of liquid nitrogen is extremely low, an experiment operator may be frostbitten in the process of taking out liquid nitrogen from the liquid nitrogen tank, so the structure of the liquid nitrogen barrel is important for protecting the person who extracts and pours the liquid nitrogen.

However, the existing barrel lifting structure needs to lift the barrel out of the liquid nitrogen container and then pour or take out the liquid nitrogen, in the process, the liquid nitrogen container is in an open state for a long time, the liquid nitrogen loss is large, and in the moving process of the liquid nitrogen container, the situation of frostbite caused by careless touching of personnel to the liquid nitrogen container exists.

Disclosure of Invention

The utility model aims to at least partially solve the technical problems and provides a bucket for a liquid nitrogen container.

The technical scheme adopted by the utility model is as follows:

the utility model provides a liquid nitrogen container is with carrying bucket, includes ladle body, lifter plate, through-hole, turns over board, connecting rod, handle, drain pipe and valve, lifter plate liftable locate in the ladle body, the through-hole set up in on the ladle body bottom surface, turn over board articulated in be used for control on the ladle body bottom surface the opening and shutting of through-hole, connecting rod one end is connected to on the lifter plate, the other end is connected to on the handle, the handle with there is certain angle between the connecting rod, drain pipe one end set up in on the ladle body, the valve set up in on the drain pipe.

Further, the shape of the turning plate is the same as that of the through hole, the area of the turning plate is larger than that of the through hole, and one end of the turning plate is hinged beside the through hole on the bottom end face of the barrel body.

Furthermore, the connecting rod consists of two sections of rod pieces, and the two sections of rod pieces are connected in a hinged mode.

Further, a first clamping groove is further formed in the lifting barrel, and the first clamping groove is formed in the outer side wall of the barrel body.

Furthermore, the barrel body is also provided with a guide groove, the side end face of the lifting plate is also provided with a guide piece, and the guide piece is sleeved in the guide groove to do lifting motion.

Further, a second clamping groove is further formed in the lifting barrel, the lower end of the connecting rod is fixedly connected to the center of the lifting plate, and the second clamping groove is formed in the inner wall of the lifting barrel and is communicated with the guide groove.

Further, a rocker is further arranged at one end of the turning plate far away from the opening, the lower end face of the connecting rod is located below the lifting plate, and the rocker is located right below the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that: through the lifter plate that sets up carries out reciprocating elevating movement in the ladle body, the atmospheric pressure in the drive bucket changes, the through-hole is closed to the version when atmospheric pressure increases, liquid nitrogen in the bucket discharges outside the liquid nitrogen container through the drain pipe under the effect of high pressure, so set up, can carry out the action of taking out of liquid nitrogen under the condition of taking out the bucket, avoid taking out the bucket because of the liquid nitrogen container opens for a long time and the liquid nitrogen that causes runs off, and avoided human body and the contact possibility of bucket when getting liquid nitrogen, thereby avoided carelessly contacting the frostbite risk that liquid nitrogen caused, realize safer liquid nitrogen extraction.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic diagram showing the connection of the barrel to the fixed plate in the liquid nitrogen container of the present embodiment;

FIG. 2 is a schematic diagram of a bucket according to the first embodiment;

FIG. 3 is a second schematic diagram of the structure of the bucket according to the present embodiment;

FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;

FIG. 5 is a third schematic diagram of the structure of the bucket according to the present embodiment;

FIG. 6 is a schematic diagram of a bucket according to the present embodiment;

fig. 7 is a schematic structural view of the flap of the present embodiment;

fig. 8 is a schematic sectional structure of the pail of the present embodiment.

Reference numerals:

1-a barrel body; 2-lifting plates; 3-through holes; 4-turning plates; 5-connecting rods; 6, a handle; 7-a liquid outlet pipe; 8-a first clamping groove; 9-a guide groove; 10-a guide; 11-a second clamping groove; 12-rocker; 13-fixing plate.

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.

It should be noted that the described embodiments are only some embodiments of the present application, and not all embodiments, and that the following description of at least one exemplary embodiment is merely illustrative in nature and should not be taken as limiting the application and its application.

Examples:

as shown in fig. 1 to 8, the barrel for liquid nitrogen container comprises a barrel body 1 for containing liquid nitrogen or samples, a through hole 3 arranged on the lower end surface of the barrel body 1 for liquid nitrogen to circulate, a turning plate 4 hinged on the lower end surface of the barrel body 1 for opening and closing the through hole 3, a lifting plate 2 sleeved in the barrel body and capable of lifting up and down, a connecting rod 5 with one end connected to the lifting plate 2, a lifting handle 6 connected with the other end of the lifting plate 2 and used for holding by personnel, a liquid outlet pipe 7 arranged on the side wall of the barrel body 1 and communicated with the barrel body and a valve (not shown) arranged on the liquid outlet pipe 7 for controlling liquid outlet, when liquid nitrogen is required to be taken, firstly the valve on the liquid outlet pipe 7 is adjusted to be in an opening state, then the personnel holds the lifting handle 6 to reciprocate up and down, thereby driving the lifting rod 5 and the lifting action of the lifting plate 2, when lifting plate 2 rises, the pressure in the bucket reduces, turn over board 4 opens the action under the effect of the liquid pressure below the bucket, liquid nitrogen below the bucket gets into in the bucket by through-hole 3, when carrying out handle 6 and pushing down the action, connecting rod 5 and lifting plate 2 descend together, the pressure in the bucket increases, at this moment, because gravity and the high-pressure environment in the bucket will turn over board 4 and seal through-hole 3, the pressure in the bucket rises along with the decline of lifting plate 2, liquid nitrogen flows outside the liquid nitrogen container through drain pipe 7 under the effect of high pressure at this moment, realize not taking out the bucket can take out liquid nitrogen, avoid taking out the liquid nitrogen because of liquid nitrogen container opens for a long time when the bucket runs off, and avoided the frostbite risk that the human body caused with the contact of bucket when getting liquid nitrogen, realize safer liquid nitrogen extraction.

Further, the connecting rod 5 is composed of two sections of rod pieces, and the rod pieces at the two ends are connected in a hinged mode, so that after the bucket is used, the connecting rod 5 is folded, and the placement and the installation of the liquid nitrogen container cover are not affected.

Specifically, the inside fixed plate 13 that is equipped with of liquid nitrogen container still is equipped with first draw-in groove 8 on the carrying vessel, and first draw-in groove 8 is offered on ladle body 1 outside terminal surface, so sets up, and after the carrying vessel was put into the liquid nitrogen container, remove to fixed plate 13 joint in first draw-in groove 8, when carrying out the lift action of pushing down from top to bottom, ladle body 1 can not follow one with the up-and-down motion, has improved the efficiency when taking out the liquid nitrogen.

Further, still be equipped with the guide way 9 that length is vertical direction on ladle body 1, guide way 9 is vertical to be offered on ladle body 1's inside wall, be equipped with on the side terminal surface of lifter plate 2 and cup joint the guide piece 10 in guide way 9, in this embodiment guide piece 10 be with the cylindrical protruding post of rigid coupling on the lifter plate 2 side terminal surface, so set up, in the lift process guide piece 10 cup joints all the time in guide way 9, can carry out lifter plate 2, connecting rod 5 and handle 6 at the fixed of horizontal plane, promote the stability of taking out the liquid nitrogen in-process.

Specifically, the lower extreme rigid coupling of connecting rod 5 has still seted up two second draw-in grooves 11 in the center of lifter plate 2 on ladle body 1, and second draw-in groove 11 is seted up on ladle body 1's inside wall, and second draw-in groove 11 is connected on guide way 9, and sets up along ladle body 1 inner wall radian in parallel with the horizontal plane on the length direction, thus sets up, rotatable handle 6 thereby selects into the second draw-in groove 11 of corresponding height with the guide 10 on the lifter plate 2 in, carries out the joint with lifter plate 2 and ladle body 1, is convenient for take out the pail from the liquid nitrogen container.

Further, turn over and still be equipped with wane 12 on the open-ended one end of board 4 keeping away from, terminal surface is located under the connecting rod 5 the below of lifter 2, wane 12 is located under the connecting rod 5, lower extreme butt when connecting rod 5 is on wane 12 for turn over board 4 and open, rotate handle 6 later and in the second draw-in groove 11 of guide 10 screw in below, carry out the suggestion of carrying out the bucket, so set up, can open the carrying out the bucket bottom when putting out the bucket, do not have remaining liquid nitrogen in the carrying out the bucket behind the suggestion, also avoided the injury to the human body that the liquid nitrogen spills when saving liquid nitrogen.

When sample storage is needed, the lifting plate 2 is pulled out of the barrel body 1, so that a sample is placed, the lifting plate 2 is placed into the barrel body 1, the lifting handle 6 is rotated to screw the guide piece 10 into the second clamping groove 11 above, and the lifting barrel can be used as a sample storage container, so that the use of the lifting barrel is improved.

In the present disclosure, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present utility model + novel form and for simplicity of description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims (7)

1. The utility model provides a bucket for liquid nitrogen container, its characterized in that includes ladle body, lifter plate, through-hole, turns over board, connecting rod, handle, drain pipe and valve, lifter plate liftable locate in the ladle body, the through-hole set up in on the ladle body bottom surface, turn over board articulated in be used for control on the ladle body bottom surface the opening and shutting of through-hole, connecting rod one end is connected to on the lifter plate, the other end is connected to on the handle, the handle with there is certain angle between the connecting rod, drain pipe one end set up in on the ladle body, the valve set up in on the drain pipe.

2. The bucket of claim 1 wherein the flap is the same shape as the through hole and has an area greater than the area of the through hole, one end of the flap being hinged adjacent the through hole on the bottom end surface of the bucket body.

3. The bucket of claim 1 wherein the connecting rod is comprised of two segments of bars with a hinged connection therebetween.

4. The carrying case of claim 1 further comprising a first slot formed in the outer sidewall of the case body.

5. The bucket of claim 1 wherein the bucket body is further provided with a guide slot, and wherein the side end surface of the lifting plate is further provided with a guide member, and wherein the guide member is sleeved in the guide slot for lifting movement.

6. The lifting bucket according to claim 5, wherein a second clamping groove is further formed in the lifting bucket, the lower end of the connecting rod is fixedly connected to the center position of the lifting plate, and the second clamping groove is formed in the inner wall of the lifting bucket and is communicated with the guide groove.

7. The bucket of claim 6 wherein the end of the flap distal from the opening is further provided with a rocker, the lower end surface of the connecting rod being located below the lifting plate, the rocker being located directly below the connecting rod.