CN212937584U - Transfer barrel - Google Patents

Abstract

The present disclosure provides a transfer bucket, including: the device comprises a liquid nitrogen barrel, a sample placing plate fixed in the liquid nitrogen barrel, a sealing cover for sealing the opening of the liquid nitrogen barrel and an iron plate fixed on the upper surface of the sealing cover; the iron plate is provided with two vertical positioning holes; one of the two positioning holes is a round hole, the other positioning hole is a long hole, and two circle centers of the long hole and the circle center of the round hole are collinear; the sample placing plate is provided with a first positioning structure for positioning the sample box. The sample box is placed in the liquid nitrogen barrel, so that the low-temperature environment required by the transfer of the biological sample is ensured; the iron plate is provided with the two positioning holes respectively, so that the positioning pin can be used for positioning the sealing cover conveniently, and the electromagnet can be used for adsorbing the iron plate conveniently to open and close the sealing cover; the sample box is positioned on the sample placing plate through the first positioning structure, so that the sample box on the sample placing plate can be conveniently grabbed; thereby make this transportation bucket can be uncapped automatically and snatch the sample box in the liquid nitrogen bucket automatically.

Description

Transfer barrel

Technical Field

The utility model relates to a sample low temperature is chosen a tub equipment technical field, especially relates to a transport bucket.

Background

In the biomedical field, sample cryopreservation devices are used for low-temperature storage of biological samples such as blood samples, vaccines, strains of bacteria and the like, so that the samples are always in liquid nitrogen for long-term active storage. A plurality of sample boxes are stored in the device, a plurality of test tubes are stored in the sample boxes in an arrayed mode, and samples needing to be stored are in the test tubes.

In the current freezing equipment, the whole sample box is mostly stored and taken out, when a specific test tube needs to be taken out, the sample box with the test tube can only be taken out from the equipment, and the required test tube is taken out at room temperature, so that other unused samples in the sample box can be damaged. And the individual storage device has the tube picking function, the required test tubes are picked from the box and are placed in the target sample box, and the target sample box is specially used for placing the test tubes to be taken out, so that the activity of other unused samples cannot be influenced.

However, hospitals or research institutes generally need to store a large number of samples through a plurality of storage devices, and if the cryopreservation devices with the tube picking function are adopted, the cost is greatly increased, the utilization rate of each device is difficult to achieve maximization, and when the target samples come from a plurality of devices, the problem still exists how to integrate the test tubes of the target samples taken out by each device. Therefore, a tube picking work station needs to be developed to complete tube picking work of multiple freezing storage devices, tubes are picked in a centralized mode, and the technical problem of how to keep a low-temperature environment when transferring biological samples between the freezing storage devices and the tube picking work station needs to be solved in the development process.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the present disclosure provides a transfer bucket.

According to one aspect of the present disclosure, a transfer drum comprises: the device comprises a liquid nitrogen barrel, a sample placing plate fixed in the liquid nitrogen barrel, a sealing cover for sealing the opening of the liquid nitrogen barrel and an iron plate fixed on the upper surface of the sealing cover; the iron plate is provided with two vertical positioning holes; one of the two positioning holes is a round hole, the other positioning hole is a long hole, and two circle centers of the long hole and the circle center of the round hole are collinear; the sample placing plate is provided with a first positioning structure for positioning the sample box.

According to at least one embodiment of the present disclosure, the first positioning structure includes a first sample box positioning slot and a second sample box positioning slot formed at the bottom of the first sample box positioning slot.

According to at least one embodiment of the present disclosure, the two arbitrarily opposite side walls of the sample box positioning groove are provided with penetrating clamping jaw avoiding grooves, and the groove bottoms of the clamping jaw avoiding grooves are not higher than the groove bottoms of the sample box positioning grooves.

According to at least one embodiment of the present disclosure, the sealing cover includes a cover body and a heat insulation plug which are sequentially connected up and down; the heat insulation plug extends into the liquid nitrogen barrel.

According to at least one embodiment of the present disclosure, a second positioning structure is disposed between the sealing cover and the liquid nitrogen barrel.

According to at least one embodiment of the present disclosure, the second positioning structure includes a positioning groove and a convex edge adapted to the positioning groove; one of the sealing cover and the liquid nitrogen barrel is provided with the positioning groove, and the other is fixed with the convex edge.

According to at least one embodiment of the present disclosure, further comprising: a U-shaped handle; and one ends of the two vertical arms of the U-shaped handle, which are far away from the cross arm of the U-shaped handle, are respectively hinged to two sides of the liquid nitrogen barrel.

According to at least one embodiment of the disclosure, a containing groove for containing the U-shaped handle is formed in the upper surface of the liquid nitrogen barrel; the edge of the U-shaped handle does not protrude out of the accommodating groove.

According to at least one embodiment of the present disclosure, an upper surface of the sealing cover is not higher than an upper surface of the liquid nitrogen bucket.

According to at least one embodiment of the present disclosure, the upper surface of the iron plate is not higher than the upper surface of the sealing cover.

Drawings

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

Fig. 1 is a schematic view of a transfer cask according to an embodiment of the present disclosure.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view a-a in fig. 2.

Fig. 4 is a schematic view of a sample placement plate in the transfer bucket shown in fig. 1.

Fig. 5 is an enlarged structure diagram of the area B in fig. 3.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The sample box is placed in the liquid nitrogen barrel, so that the low-temperature environment required by the transfer of the biological sample is ensured; the iron plate is provided with the two positioning holes respectively, so that the positioning pin can be used for positioning the sealing cover conveniently, and the electromagnet can be used for adsorbing the iron plate conveniently to open and close the sealing cover; the sample box is positioned on the sample placing plate through the first positioning structure, so that the sample box on the sample placing plate can be conveniently grabbed; thereby make this transportation bucket can be uncapped automatically and snatch the sample box in the liquid nitrogen bucket automatically.

According to a first embodiment of the present disclosure, fig. 1 to 5, there is provided a transfer drum comprising: the device comprises a liquid nitrogen barrel 1, a sample placing plate 2 fixed in the liquid nitrogen barrel 1, a sealing cover 3 for sealing the opening of the liquid nitrogen barrel 1 and an iron plate 4 fixed on the upper surface of the sealing cover 3; the iron plate 4 is provided with two vertical positioning holes 4 a; one of the two positioning holes 4a is a round hole, the other is a long hole, and the two circle centers of the long hole and the circle center of the round hole are collinear; the sample placement plate 2 has a first positioning structure for positioning the sample cartridge.

The liquid nitrogen barrel 1 can be realized by adopting the prior art, and is not described in detail herein.

The avoiding holes 3a corresponding to the two positioning holes 4a can be formed in the sealing cover 3, and the avoiding holes 3a are used for avoiding the guide parts of the positioning pins matched with the positioning holes 4a, so that the depth of the two positioning holes 4a can be reduced, the thickness of the iron plate 4 is reduced, and the weight of the sealing cover 3 is reduced.

If the two positioning holes 4a are both round holes, there is a problem of over-positioning, and thus the problem is circumvented by providing one round hole and one long hole.

Through setting up location structure one, make the relative position of sample box and liquid nitrogen bucket 1 confirm to be convenient for utilize the manipulator to snatch the sample box. The first positioning structure can be an existing structure such as a positioning pin. In this embodiment, the first positioning structure includes a first sample box positioning groove 2a and a second sample box positioning groove 2b formed at the bottom of the first sample box positioning groove 2 a. Sample box constant head tank two 2b is seted up through the tank bottom at sample box constant head tank one 2a for the sample is placed the sample box that two kinds of different specifications can be placed respectively to the same position that board 2 was placed to the sample, has improved the commonality of this transportation bucket. It should be apparent that the number of the first sample box positioning grooves 2a and the second sample box positioning grooves 2b may be one or more. On this basis, the two arbitrary relative both sides walls of sample box constant head tank one 2a all set up the clamping jaw that runs through and dodge groove 2c, and the clamping jaw dodges the tank bottom of groove 2c and is not higher than the tank bottom of sample box constant head tank two 2 b. By arranging the clamping jaw avoiding groove 2c, on one hand, a clamping jaw on a manipulator can clamp a sample box conveniently; on the other hand, the depths of the first sample box positioning groove 2a and the second sample box positioning groove 2b can be increased, and the positioning of the sample box is more reliable.

The board 2 is placed with the sample to accessible welded mode is fixed in the inner wall of liquid nitrogen bucket 1, also can be through first two horizontal plates of inner wall welding of liquid nitrogen bucket 1, and the both ends that board 2 horizontal direction was placed with the sample to reuse bolted connection's mode are fixed in two horizontal plates respectively. In this embodiment, the sample placing plate 2 is opened with a through hole 2d that vertically penetrates so that liquid nitrogen can enter the bottom of the sample cartridge.

In this embodiment, the sealing cap 3 includes a cap body 3b and a heat insulation plug 3c connected in series from top to bottom; the heat insulation plug 3c extends into the liquid nitrogen barrel 1. By extending the heat insulation plug 3c into the liquid nitrogen barrel 1, volatilization of liquid nitrogen can be reduced, and loss of the liquid nitrogen is further reduced.

In this embodiment, a second positioning structure is disposed between the sealing cover 3 and the liquid nitrogen barrel 1, so that the relative position between the sealing cover 3 and the liquid nitrogen barrel 1 is determined, and the positioning pin can be conveniently inserted into the two positioning holes 4 a. The second positioning structure can be realized by adopting a positioning pin and other prior arts, and in this embodiment, the second positioning structure comprises a positioning groove 1a and a convex edge 3d matched with the positioning groove 1 a; one of the sealing cover 3 and the liquid nitrogen barrel 1 is provided with the positioning groove 1a, and the other is fixed with the convex edge 3 d.

In this embodiment, the method further includes: a U-shaped handle 5; and one ends of the two vertical arms of the U-shaped handle 5, which are far away from the cross arm of the U-shaped handle 5, are respectively hinged to two sides of the liquid nitrogen barrel 1. Through setting up U type handle 5, can make things convenient for the manual work to carry and draw this transportation bucket, through articulating U type handle 5 in liquid nitrogen bucket 1, can put down U type handle 5 when not using the U handle, avoid interfering. On the basis, the upper surface of the liquid nitrogen barrel 1 is provided with a containing groove 1b for containing the U-shaped handle 5; the edge of the U-shaped handle 5 does not protrude out of the accommodating groove 1b, so that the U-shaped handle 5 is prevented from leaking outwards and being damaged due to accidents.

In this embodiment, the upper surface of the sealing cover 3 is not higher than the upper surface of the liquid nitrogen barrel 1.

In this embodiment, the upper surface of the iron plate 4 is not higher than the upper surface of the sealing cover 3.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims (10)

1. A transfer drum, comprising: the device comprises a liquid nitrogen barrel, a sample placing plate fixed in the liquid nitrogen barrel, a sealing cover for sealing the opening of the liquid nitrogen barrel and an iron plate fixed on the upper surface of the sealing cover; the iron plate is provided with two vertical positioning holes; one of the two positioning holes is a round hole, the other positioning hole is a long hole, and two circle centers of the long hole and the circle center of the round hole are collinear; the sample placing plate is provided with a first positioning structure for positioning the sample box.

2. The transfer drum of claim 1, wherein the first positioning structure comprises a first cartridge positioning slot and a second cartridge positioning slot opening at the bottom of the first cartridge positioning slot.

3. The transfer drum of claim 2, wherein any opposing two side walls of the sample holder positioning slot have a through clamping jaw avoiding slot, and the bottom of the clamping jaw avoiding slot is not higher than the bottom of the sample holder positioning slot two.

4. A transfer barrel as claimed in claim 1, wherein the sealing cover comprises a cover body and a heat insulation plug which are sequentially connected from top to bottom; the heat insulation plug extends into the liquid nitrogen barrel.

5. The transfer barrel of claim 1, wherein a second positioning structure is arranged between the sealing cover and the liquid nitrogen barrel.

6. A transfer barrel as claimed in claim 5, wherein the second positioning structure comprises a positioning groove and a convex edge matched with the positioning groove; one of the sealing cover and the liquid nitrogen barrel is provided with the positioning groove, and the other is fixed with the convex edge.

7. The transfer cask of claim 1, further comprising: a U-shaped handle; and one ends of the two vertical arms of the U-shaped handle, which are far away from the cross arm of the U-shaped handle, are respectively hinged to two sides of the liquid nitrogen barrel.

8. The transfer barrel according to claim 7, wherein a containing groove for containing the U-shaped handle is formed in the upper surface of the liquid nitrogen barrel; the edge of the U-shaped handle does not protrude out of the accommodating groove.

9. The transfer cask of claim 1 wherein the upper surface of the sealing lid is no higher than the upper surface of the liquid nitrogen cask.

10. A transfer drum as claimed in claim 1, wherein the upper surface of the iron plate is not higher than the upper surface of the sealing cover.

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