CN215602859U - Independent locking liquid nitrogen container lifting basket with heat preservation function - Google Patents

Abstract

The utility model discloses an independent locking liquid nitrogen container basket with a heat preservation function. The basket frame is provided with a plurality of layers of storage positions from top to bottom, a horizontal heat-preservation interlayer I is arranged between the storage positions, and a heat-preservation interlayer II which is communicated up and down is arranged on the back of the basket frame; the peripheral wall surfaces and the bottom surface of the freezing storage box are provided with a communicated heat-preservation interlayer III; aerogel adsorbents are filled in the first heat-insulation interlayer, the second heat-insulation interlayer and the third heat-insulation interlayer; the freezing storage box is locked in the storage position through a clamp spring. According to the utility model, the aerogel adsorption layer is arranged in the liquid nitrogen tank basket, the basket frame and the freezing storage box have a heat preservation function of maintaining a cryogenic gas phase storage condition by adsorbing liquid nitrogen, the problem that the activity is influenced due to temperature change when a sample is taken and put can be effectively solved, and meanwhile, the independently locked clamp spring can effectively prevent the freezing storage box from accidentally sliding down.

Description

Independent locking liquid nitrogen container lifting basket with heat preservation function

Technical Field

The utility model relates to the field of storage of high-temperature sensitive biological samples, and provides an independent locking liquid nitrogen container basket with a heat preservation function.

Background

The liquid nitrogen tank lifting basket is used for placing biological samples such as cells, embryos or semen and placing the biological samples into the liquid nitrogen tank so as to achieve the purpose of keeping the activity of the samples under the cryogenic condition.

Chinese patent CN 210671849U, the name is a novel practical novel patent of liquid nitrogen container storage hand-basket, is equipped with the outstanding bayonet socket that sets up about two at least on the axis pole of hand-basket, inserts in the spliced eye in the middle of the storage box and reciprocates and rotates along the spliced eye, conveniently gets to put the storage box, is difficult for dropping. Chinese patent CN206612094U, the name is a utility model patent of liquid nitrogen container hand-basket, and this hand-basket storage rack falls into a plurality of layers through the baffle, and every layer of pull box passes through the bolt pole locking, and it has a plurality of freezes to deposit the check to cut apart in every pull box, and this structure space utilizes fully, conveniently realizes freezing the orderly management of depositing the pipe. Current patent is mainly from conveniently getting to put, and the angle of effectively utilizing the space improves the structure of liquid nitrogen container hand-basket, does not relate to the heat preservation function of hand-basket. However, in the process of taking and placing the sample, the basket is placed in the air, the environmental temperature is different from the cryogenic storage condition, and especially for some biological samples with higher temperature sensitivity, the activity of the sample is influenced by the larger temperature difference change. In addition, the storage box of current patent adopts movable bolt to carry out whole locking mostly, when getting and putting the sample, because the locking is relieved, the unexpected landing problem of storage box probably appears. Therefore, this patent has proposed one kind and has kept warm the function, can realize freezing the independent locking liquid nitrogen container hand-basket of depositing the box.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a liquid nitrogen container basket with a thermal insulation function, which can realize independent locking of a cryopreservation box, and effectively solves the problems that the activity is affected due to temperature change during sample taking and placing, and the cryopreservation box is easy to slide.

In order to realize the above content, the technical scheme adopted by the utility model is as follows:

an independently locked liquid nitrogen container basket with a heat preservation function, comprising: the portable basket comprises a portable basket frame and a freezing storage box, wherein the portable basket frame is of a rectangular columnar structure, a plurality of layers of storage positions are arranged on the front side of the portable basket from top to bottom, a horizontal heat-preservation interlayer I is arranged between the storage positions, and a heat-preservation interlayer II which is communicated up and down is arranged on the back side of the portable basket frame; the freezing box is inserted into the storage position of the basket frame, and communicated heat-preservation interlayers III are arranged on the peripheral wall surface and the bottom surface of the freezing box; aerogel adsorbents are filled in the first heat-insulation interlayer, the second heat-insulation interlayer and the third heat-insulation interlayer; the freezing storage box is locked in the storage position through a clamp spring.

Further, the top of the basket frame and the top of the cryopreservation box are respectively provided with a first filling hole and a second filling hole which are used for filling aerogel adsorbents, and the first cover and the second cover are respectively installed.

Further, the bottom of hand-basket frame and cryopreserving box is equipped with the imbibition hole one and the imbibition hole two of equipartition respectively, and liquid nitrogen accessible these apertures get into in the heat preservation interlayer, make the aerogel adsorbent can absorb sufficient liquid nitrogen.

Further, the inner wall surfaces of the basket frame and the cryopreservation box are respectively provided with a first exhaust hole and a second exhaust hole which are uniformly distributed, when the ambient temperature of the basket rises, the adsorbed liquid nitrogen in the heat-preservation interlayer is heated and gasified, and low-temperature nitrogen is formed and discharged from the exhaust holes so as to maintain the cryogenic gas phase storage state of the cryopreservation box.

Furthermore, the back of the basket frame is welded with a lifting rod, and the upper part of the lifting rod is provided with a limiting ring so as to facilitate the taking, placing and fixing of the whole basket.

Furthermore, a plurality of freezing grids are arranged in the freezing storage box, so that the freezing storage pipe is convenient to fix, and the space can be fully utilized to realize high-density storage.

Furthermore, the clamp spring is inserted into a bayonet fixed on the outer side wall of the basket frame, so that the independent locking of the freezing storage box can be realized.

Furthermore, aerogel adsorbent is filled in the heat preservation interlayers I, II and III, and the aerogel adsorbent has good liquid nitrogen adsorbability and heat preservation performance.

Further, the basket frame and the freezing storage box have heat preservation functions, can be used in a combined mode, and can also be used in a matched mode with a common structure.

The utility model has the beneficial effects that:

(1) the thermal insulation interlayer of the basket frame and the cryopreservation box is respectively filled with aerogel adsorbents, liquid nitrogen is adsorbed through the bottom liquid suction hole, when the environment temperature of the basket rises, the adsorbed liquid nitrogen in the thermal insulation interlayer is heated and gasified, low-temperature nitrogen is discharged from the exhaust port, and the cryogenic gas phase storage state of the cryopreservation box is maintained.

(2) Because the liquid nitrogen is subjected to phase change heat absorption, the latent heat of the liquid nitrogen can be fully utilized to keep the temperature of the basket basically unchanged, and the activity of the sample is prevented from being influenced due to temperature change.

(3) Each layer freezes deposits the box and adopts the jump ring to independently lock, not only conveniently gets and puts, can effectively solve the unexpected problem of landing of freezing deposits box moreover.

(4) The freezing check design in the freezing storage box not only facilitates fixing the freezing storage pipe, but also can fully utilize the space to realize high-density storage and reduce the storage cost of unit samples.

(5) The lifting basket has the advantages of simple and compact integral structure, reasonable space utilization, high efficiency, safety and reliability.

Drawings

Fig. 1 is a perspective view of a basket.

Fig. 2 is a cross-sectional view of a basket frame.

Fig. 3 is a cross-sectional view of the cryopreservation box.

In fig. 1: 1-lifting rod, 2-clamp spring, 3-bayonet, 4-cover two, 5-freezing box, 6-basket frame, 7-cover one, 8-spacing ring.

In fig. 2: 9-storage position, 10-exhaust hole I, 11-heat preservation interlayer I, 12-liquid suction hole I, 13-heat preservation interlayer II and 14-filling hole I.

In fig. 3: 15-a second filling hole, 16-a second liquid suction hole, 17-a second exhaust hole, 18-a third heat preservation interlayer.

Detailed Description

The following detailed description of embodiments of the present invention is made with reference to the accompanying drawings:

as shown in figure 1, the independent locking liquid nitrogen container basket with the heat preservation function comprises a basket frame 6 and a freezing storage box 5; in this embodiment, the basket frame 6 is a rectangular column structure, the front surface of the basket frame is provided with a plurality of layers of storage positions 9 from top to bottom, and each layer of storage position is inserted with one freezing box 5.

Further, as shown in fig. 2 and 3, a first heat-insulating interlayer 11 and a second heat-insulating interlayer 13 which are communicated with each other are arranged inside the basket frame 6, and a third heat-insulating interlayer 18 which is communicated with the peripheral wall surface and the bottom surface of the freezing storage box 5 is arranged on the peripheral wall surface and the bottom surface of the freezing storage box.

Furthermore, silica aerogel adsorbents are filled in the first heat-preservation interlayer, the second heat-preservation interlayer and the third heat-preservation interlayer, and the material has good liquid nitrogen adsorbability and heat preservation performance.

Furthermore, the top parts of the basket frame 6 and the freezing storage box 5 are respectively provided with a first filling hole 14 and a second filling hole 15, so that aerogel adsorbents can be conveniently filled; the first cover 7 and the second cover 4 are respectively installed on the first filling hole 14 and the second filling hole 15 to prevent the adsorbent from leaking out.

Further, as shown in fig. 2 and 3, the bottoms of the basket frame 6 and the cryopreservation box 5 are respectively provided with a first liquid suction hole 12 and a second liquid suction hole 16 which are uniformly distributed, and liquid nitrogen can enter the heat preservation interlayer through the small holes, so that the aerogel adsorbent can adsorb sufficient liquid nitrogen; when the basket is lifted, excess liquid nitrogen can also flow out of these small holes.

Further, the inner wall surfaces of the basket frame 6 and the freezing storage box 5 are respectively provided with a first exhaust hole 10 and a second exhaust hole 17 which are uniformly distributed, when the temperature of the environment where the basket is located rises, the liquid nitrogen adsorbed in the heat-insulating interlayer is heated and gasified, and low-temperature nitrogen is formed and discharged from the exhaust holes so as to maintain the cryogenic gas phase storage state of the freezing storage box; meanwhile, as the liquid nitrogen is subjected to phase change and absorbs heat, the latent heat of the liquid nitrogen can be fully utilized to keep the temperature of the lifting basket basically unchanged, and the activity of the sample is prevented from being influenced due to temperature change.

Further, jump ring 2 is inserted in fixing in the bayonet socket 3 of 6 lateral walls of hand-basket frame, can realize freezing independent locking of depositing box 5, avoids getting the unexpected landing of freezing the depositing box when putting the sample.

Furthermore, the back welding of hand-basket frame 6 has shadoof 1, and the upper portion of shadoof is equipped with spacing ring 8 to make things convenient for getting of whole hand-basket and putting and fixing.

Furthermore, a plurality of freezing grids are arranged in the freezing storage box 5, so that the freezing storage pipe is convenient to fix, and the space can be fully utilized to realize high-density storage.

Further, in this embodiment, hand-basket frame 6 and freezing box 5 all have the heat preservation function, and the two both can make up the use, also can use with ordinary structure cooperation respectively.

The above detailed description is only exemplary of the present invention, and is not intended to limit the present invention in any way.

Claims (6)

1. The utility model provides an independent locking liquid nitrogen container hand-basket with heat preservation function, includes hand-basket frame (6) and freezes deposits box (5), its characterized in that: the basket frame (6) is of a rectangular columnar structure, a plurality of layers of storage positions (9) are arranged on the front face from top to bottom, a horizontal heat-preservation interlayer I (11) is arranged between the storage positions (9), and a heat-preservation interlayer II (13) which is communicated up and down is arranged on the back face of the basket frame (6); the freezing storage box (5) is inserted into the storage position (9) of the basket frame (6), and the peripheral wall surface and the bottom surface of the freezing storage box (5) are provided with a communicated heat-preservation interlayer III (18); aerogel adsorbents are filled in the first heat-insulation interlayer, the second heat-insulation interlayer and the third heat-insulation interlayer; the freezing storage box (5) is locked in the storage position (9) through the clamp spring (2).

2. The independent locking liquid nitrogen tank lifting basket with the heat preservation function as claimed in claim 1, wherein the top of the lifting basket frame (6) is provided with a first filling hole (14), the bottom of the lifting basket frame is provided with a first uniform liquid suction hole (12), and the inner wall surface of the lifting basket frame is provided with a first uniform exhaust hole (10); and a first cover (7) is arranged on the first filling hole (14).

3. The independent locking liquid nitrogen container lifting basket with the heat preservation function as claimed in claim 1, wherein a second filling hole (15) is formed in the top of the freezing storage box (5), a second liquid suction hole (16) is formed in the bottom of the freezing storage box, and a second exhaust hole (17) is formed in the inner wall surface of the freezing storage box; and a second cover (4) is arranged on the second filling hole (15).

4. The independent locking liquid nitrogen container lifting basket with the heat preservation function as claimed in claim 1 is characterized in that a lifting rod (1) is welded to the back of the lifting basket frame (6), and a limiting ring (8) is arranged at the upper part of the lifting rod.

5. The independently locked liquid nitrogen container basket with heat preservation function as claimed in claim 1, wherein the clamp spring (2) is inserted into a bayonet (3) fixed on the outer side wall of the basket frame (6).

6. The independent locking liquid nitrogen container lifting basket with the heat preservation function as claimed in claim 1, wherein a freezing check is arranged in the freezing box (5).

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