CN216547456U

CN216547456U - Freezing protective housing

Info

Publication number: CN216547456U
Application number: CN202123168508.7U
Authority: CN
Inventors: 罗涛
Original assignee: Nanjing Nachuan Medical Technology Co ltd
Current assignee: Nanjing Nachuan Medical Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-17
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a freezing protection shell, and relates to the field of low-temperature storage and transportation of liquid. The utility model provides a freezing protective housing, is including freezing bag, casing, clamping mechanism, cap of depositing, the casing is provided with main constant head tank, freeze the bag of depositing and place in main constant head tank and with the diapire abundant contact of main constant head tank, clamping mechanism sets up in the top of freezing the bag of depositing and compresses tightly the freezing bag of depositing, but the open closed installation of cap is in main constant head tank notch department. The utility model provides a freezing protection shell with simple structure, good protectiveness and good heat transfer property, aiming at solving the problems that a freezing storage bag protection shell in the prior art cannot be effectively protected and the freezing heat transfer efficiency is low.

Description

Freezing protective housing

Technical Field

The utility model relates to the field of low-temperature storage and transportation of liquid, in particular to a freezing protection shell.

Background

In the field of liquid storage and transportation, a flexible container, i.e., a cryopreservation bag, is currently used for packaging liquid products when the volume of the liquid products to be stored and transported, such as biological products, foods, chemicals, etc., is in the range of several milliliters to several tens of liters. The freezing storage bag is flexible and convenient to use, but has the characteristic of being fragile and easily damaged at low temperature due to the limitation of manufacturing materials in the freezing and storage processes, so that the freezing storage bag is frequently damaged in the freezing storage and transportation processes, and the product is damaged.

In the existing application, some open trays and non-closed or closed protective shells are often adopted to protect the cryopreservation bags. In the freezing operation and transportation of the open tray, the freezing storage bag and the matched pipeline are easy to be damaged due to the action of external force because the open tray is not effectively protected. The freezing heat transfer rate is extremely low partly because the design of appearance makes, has reduced operating efficiency and has influenced the product and freeze the quality of depositing, partly owing to do not freeze the deposit bag well and be fixed in inside the casing, lead to freezing the deposit bag in the transportation and take place relative position and remove in the casing, lead to freezing the deposit bag damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a freezing protection shell with simple structure, good protectiveness and good heat transfer performance, aiming at solving the problems that a freezing bag protection shell in the prior art can not be effectively protected and the freezing heat transfer efficiency is low.

The utility model provides a freezing protective housing, is including freezing bag, casing, clamping mechanism, cap of depositing, the casing is provided with main constant head tank, freeze the bag of depositing and place in main constant head tank and with the diapire abundant contact of main constant head tank, clamping mechanism sets up in the top of freezing the bag of depositing and compresses tightly the bag of depositing, but the open closed installation of cap is in main constant head tank notch department.

Further, the freezing bag is provided with a hose, a plurality of auxiliary positioning grooves for containing the hose are further arranged in the main positioning groove, and the hose is detachably connected with the auxiliary positioning grooves.

Furthermore, clamping mechanism includes first pin, bolt, strip through-hole, a plurality of strip through-holes set up on the relative lateral wall of main constant head tank, the both ends of first pin are provided with the screw, the bolt passes the strip through-hole and is connected with the screw cooperation, two bolts press from both sides tight first pin.

Furthermore, there are three groups of clamping mechanisms respectively located at two ends and the middle part of the cryopreservation bag.

Furthermore, the locking mechanism comprises an inner protrusion arranged on the inner wall of the shell cover and an outer protrusion arranged on the outer wall of the shell, and the inner protrusion is clamped by the outer protrusion.

Furthermore, the clamping mechanism comprises a second stop lever, the second stop lever is arranged in the shell cover, and the second stop lever and the bottom wall of the main positioning groove clamp the freezing storage bag together.

Further, main constant head tank diapire still is provided with anti-skidding structure, anti-skidding structure and freezing bag fully contact.

Has the advantages that:

the device has simple structure, convenient use and good protectiveness. The effectual position of fixing the cryopreserved bag of clamping mechanism on the freezing protective housing makes it can not remove at the in-process of transportation, prevents that the cryopreserved bag from causing the damage because of removing, has effectively protected liquid product. When the product freezes, because the freezing bag fully contacts with the conch wall of freezing shell for temperature conduction is faster, and the cooling effect is better.

Drawings

FIG. 1 is a schematic view of the construction of a refrigeration shell of the present invention;

FIG. 2 is a schematic structural view of the cryopreservation bag of the present invention;

FIG. 3 is a schematic view of the clamping mechanism of the present invention positioned on the housing cover;

FIG. 4 is a top view of the housing of the present invention;

FIG. 5 is a schematic structural view of the housing cover and the locking mechanism of the housing according to the present invention;

FIG. 6 is a schematic view of an auxiliary positioning groove according to the present invention.

In the figure: 1-shell, 2-clamping mechanism, 21-first stop lever, 22-second stop lever, 23-bolt, 24-strip through hole, 25 screw hole, 3-auxiliary positioning groove, 4-shell cover, 5-freezing bag, 6-main positioning groove, 7-handle area, 8-hose, 9-locking mechanism, 91-inner bulge, 92-outer bulge, 10-bag area, 11-interface area and 12-antiskid structure.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

Referring to fig. 1, a freezing protection shell comprises a freezing bag 5, a shell 1, a shell cover 4 and a clamping mechanism 2. Casing 1 is provided with main constant head tank 6, freeze and deposit bag 5 and place in main constant head tank 6 and with the diapire abundant contact of main constant head tank 6, clamping mechanism 2 sets up in the top of freezing and depositing bag 5 and compresses tightly and freeze and deposit bag 5, but 4 open closed installations of cap are in 6 notch departments of main constant head tank. The freezing storage bag 5 comprises a handle area 7, a bag body area 10 and a mouth area 11, wherein the handle area 7 is used for lifting and placing the freezing storage bag 5, the bag body area 10 is used for storing liquid, and the mouth area 11 is used for connecting the hose 8 with the freezing storage bag 5 through a pipeline.

What casing 1 and the cap 4 of freezing protective housing adopted is the hard metal material of easy heat conduction, for example stainless steel or other metals, freezing protective housing can be according to the different sizes of freezing bag 5 customization, place the bag body of freezing bag 5 in the main constant head tank 6, because the difference of bag body structure, should pay attention to the height of the bag body height best is less than main constant head tank 6 when consequently putting into the bag body. The clamping mechanism 2 and the bottom of the main positioning groove 6 clamp the bag body of the freezing storage bag 5 together, and the shell cover 4 covers the notch of the main positioning groove 6, so that a closed space is formed inside the main positioning groove 6. The body of the freezing bag 5 is fully contacted with the bottom wall of the main positioning groove 6, and the refrigeration efficiency is improved.

As shown in fig. 2 and 4, the freezing bag 5 is provided with a hose 8, a plurality of auxiliary positioning grooves 3 for accommodating the hose 8 are further arranged in the main positioning groove 6, and the hose 8 is detachably connected with the auxiliary positioning grooves 3. The auxiliary positioning groove 3 can be arranged at a certain angle so as to facilitate the fixation of the hose 8. What vice constant head tank 3 adopted is the fixed mode of hose 8 commonly used, through setting up the arch on the lateral wall that will vice constant head tank 3 is relative to make vice constant head tank 3 form the structure that the opening is narrow, middle width, utilize the material nature of vice constant head tank 3 or hose 8 self deformation, the material can be for plastics etc. in the vice constant head tank 3 of card advances, accomplishes hose 8's fixed. The auxiliary positioning grooves 3 can be provided with a plurality of groups according to different requirements.

Clamping mechanism 2 includes first pin 21, screw 25, bolt 23, strip through-hole 24 sets up on the relative lateral wall of main constant head tank 6, the both ends of first pin 21 are provided with screw 25, bolt 23 passes strip through-hole 24 and is connected with screw 25 cooperation, two bolts 23 press from both sides tight first pin 21. The bolt 23 penetrates through the strip-shaped through hole 24 and can slide in the strip-shaped through hole 24 when not screwed, so that the first stop lever 21 can be conveniently fixed at different heights to adapt to the uneven condition of the bag body of the cryopreservation bag 5. When the fixing device is used, the stop lever 21 can be fixed only by adjusting the stop lever 21 to a proper position, then screwing the two bolts 23 into the screw holes 25 at the two ends of the first stop lever 21 through the strip-shaped through holes 24 at the corresponding positions, and pressing the two bolts 24 against the stop lever 21 after screwing the two bolts 24 into the screw holes 25. This fixing device simple structure, the function is practical, is applicable to freezing, the storage of freezing the bag 5 of depositing, avoids damaging at the in-process that freezes the transportation of depositing the bag 5.

The clamping mechanisms 2 are provided with three groups which are respectively arranged at the two ends and the middle part of the cryopreservation bag 5. In order to better fix the freezing storage bag 5 in the shell 1, the two ends and the middle part of the freezing storage bag body are fixed, so that the movement of the freezing storage bag 5 can be effectively reduced, and the safety is further improved. The three groups of clamping mechanisms 2 can be adjusted in position according to actual conditions, are preferably arranged in the handle area 7 and the interface area 11, and the freezing storage bag 5 in the bag body area 10 is installed according to actual conditions, preferably when the freezing storage bag 5 is not full.

At least three groups of strip-shaped through holes 24 are arranged on the side wall of the main positioning groove 6 (two opposite strip-shaped through holes on the side wall are in one group). In order to facilitate the transverse movement of the first stop lever 21 in the main positioning groove 6, the plurality of groups of strip-shaped through holes 24 are arranged to enable the freezing storage bag 5 to be fixed more flexibly, and the fixing can be adjusted according to the change of liquid in the freezing storage bag 5.

Referring to fig. 5, the locking mechanism 9 is further included, and the locking mechanism 9 includes an inner protrusion 91 arranged on the inner wall of the housing cover 4 and an outer protrusion 92 arranged on the outer wall of the housing 1, and the outer protrusion 92 is clamped with the inner protrusion 91. The housing cover 4 is an inwardly concave part, the inner protrusion 91 is formed by inwardly protruding inner side walls of the housing cover 4, and the outer protrusion 92 is formed by outwardly protruding the housing 1. Because the material of cap 4 and casing 1 can deform under the effect of certain external force, consequently when covering cap 4, press the cap 4 hard, the cap 4 takes place to deform including, under the extrusion of outer bellied to make interior arch 91 and outer arch 92 interlock each other, realize the fixed of cap 4 and casing 1. Two sets of inner and outer protrusions are preferably provided on opposite side walls of the housing cover 4 to better lock the housing cover 4 and the housing 1. The fixing mode is simple and practical, and the fixing effect is good.

The handle district 7 and the interface district 11 of 6 diapalls of main constant head tank are provided with anti-skidding structure 12, anti-skidding structure 12 and the full contact of cryopreserved bag 5, anti-skidding structure 12 can be the anti-skidding pole that sets up at 6 diapalls of main constant head tank and the rubber tube of cover above, or the structure that rubber products etc. that directly set up on 6 diapalls of main constant head tank are used for the increase and bag body between frictional force, anti-skidding structure 12 and clamping mechanism 2 cooperation can press from both sides the clamp tightly cryopreserved bag 5 and further avoid relative slip. Because the inner wall of the shell 1 is a metal surface, the inner wall is smooth, the displacement of the freezing storage bag 5 due to bumping can be caused in the transportation process, and the anti-skid structure 12 with the rough contact surface is arranged on the bottom wall of the main positioning groove 6, so that the friction is increased, and the freezing storage bag 5 is better matched with the clamping mechanism 2 to be fixed. The anti-skid structure 12 is made of PVC soft rubber, polyurethane PU, common silica gel, magic glue silica gel, AB glue, rubber and the like as the material of the anti-skid structure 12.

The present embodiment provides a method for using a refrigeration protection shell with three clamping mechanisms 2: when the packaging volume is small, the liquid product can be filled into the cryopreservation bag 5, and then the cryopreservation bag 5 is placed in the main positioning groove 6 of the freezing protection shell. When the packing volume is great, because the frozen bag 5 is inconvenient to transfer with liquid, the frozen bag 5 can be placed in the freezing protective shell firstly, and then the liquid product is filled. After the freezing and storing bag 5 is filled with a certain amount of liquid products, the handle area 7 and the interface area 11 of the freezing and storing bag 5 can be respectively clamped by adjusting the clamping mechanism 2 in the shell 1, and meanwhile, the clamping mechanism 2 of the bag area 10 is adjusted to properly adjust the clamping according to the liquid level.

The clamping mechanism 2 in the handle area 7 prevents the handle area 7 from sliding relatively in the shell 1, the clamping mechanism 2 in the interface area 11 prevents the interface area 11 from sliding relatively in the shell, the clamping mechanism 2 in the bag body area 10 has the function of forming certain extrusion, after the liquid product is frozen and hardened, the hardened product is matched with the clamping mechanism 2 in the bag body area 10 for limiting, and further the frozen bag 5 after being frozen is prevented from sliding relatively in the shell 1.

When the amount of the liquid product filled in the freezing storage bag 5 is lower than the specified amount, the clamping mechanism 2 is inconvenient to clamp because the liquid level is too low, the whole freezing protection shell can form a certain inclination angle along the long edge direction, the liquid product is gathered to the handle side 7 by the self weight of the liquid product, and the inclination is kept in the freezing process. At this time, when the other function of the bag body region clamping mechanism 2 is performed, the other function can be moved along the long side of the shell 1 to be adjusted to a proper position of the liquid level, so that the frozen and hardened product is matched and limited with the bag body region 10 clamping mechanism 2, and the frozen and stored bag 5 after freezing is prevented from sliding relatively in the shell 1.

Accomplish the fixed back of freezing bag 5, can fix hose 8 in vice constant head tank 6, in freezing process and transportation, hose 8 is fixed, can further reduce the damage risk of freezing bag 5 and tube coupling department and hose 8 self. Further, to make the fixation of the hose 8 more secure during the transfer and transportation, the hose 8 may be filled with foam, plastic or other material above the hose 8 to further fix the hose 8.

After the freezing and storing bag 5 and the hose 8 are properly fixed, the shell cover 4 can be covered, and the freezing and storing protective shell, the freezing and storing bag 5 and the liquid product are integrally placed in the freezing, storing or transporting equipment. Because the freezing bag 5 fully contacts with the diapire of protective housing at freezing in-process for freezing effect is better, does benefit to more and stores and transports.

Example 2

Referring to fig. 3, the freezing protection shell of this embodiment is mainly different from that of embodiment 1 in the clamping mechanism, and other components are the same, so the description of the same components is omitted. The clamping mechanism 2 comprises a second stop lever 22, the second stop lever 22 is arranged in the shell cover 4, and the second stop lever 22 and the bottom wall of the main positioning groove 6 clamp the freezing storage bag 5 together. For the embodiment in which the clamping mechanism 2 is located on the top cover, preferably, two second blocking rods 22 may be provided in the cover 4, and are located above the handle region 7 and the interface region 11, respectively, and after the top cover is closed, the clamping mechanism 2 in the handle region 7 and the clamping mechanism 2 in the interface region 11 can clamp the handle region 7 and the interface region 11 of the cryopreservation bag 5, respectively. Since this embodiment is more suitable for the case where the volume of the cryopreservation bag 5 is small, the clamp mechanism 2 of the bag body section 10 may not be required. After the freezing bag 5 is placed into the main positioning groove 6, the hose 6 is fixed into the auxiliary positioning groove 3, and the shell cover 4 is directly covered.

Claims

1. The utility model provides a freezing protective housing, includes freezes and deposits bag (5), its characterized in that still includes casing (1), clamping mechanism (2), cap (4), casing (1) is provided with main constant head tank (6), freeze and deposit bag (5) and place in main constant head tank (6) and with the diapire abundant contact of main constant head tank (6), clamping mechanism (2) set up in the top of freezing and depositing bag (5) and compress tightly and freeze and deposit bag (5), but install in main constant head tank (6) notch department of cap (4) switching.

2. A freezing protection shell according to claim 1, wherein the freezing bag (5) is provided with a hose (8), the main positioning groove (6) is further provided with a plurality of auxiliary positioning grooves (3) for accommodating the hose (8), and the hose (8) is detachably connected with the auxiliary positioning grooves (3).

3. A refrigeration protective casing according to claim 1, characterized in that the clamping mechanism (2) comprises a first bar (21), bolts (23) and strip-shaped through holes (24), wherein the strip-shaped through holes (24) are vertically arranged on the opposite side walls of the main positioning groove (6), screw holes (25) are arranged at two ends of the first bar (21), the bolts (23) penetrate through the strip-shaped through holes (24) to be matched and connected with the screw holes (25), and the two bolts (23) clamp the first bar (21).

4. A refrigerated protective case according to claim 3 characterized in that there are three sets of clamping mechanisms (2) located at the ends and in the middle of the bag (5).

5. A refrigeration protective casing according to claim 1, characterized in that it further comprises a locking mechanism (9), said locking mechanism (9) comprising an inner protrusion (91) provided on the inner wall of the casing cover (4) and an outer protrusion (92) provided on the outer wall of the casing (1), said outer protrusion (92) catching said inner protrusion (91).

6. A refrigerated protective case according to claim 1 characterized in that the clamping mechanism (2) comprises a second bar (22), the second bar (22) being arranged in the case cover (4), the second bar (22) and the bottom wall of the main positioning slot (6) together clamping the cryopreservation bag (5).

7. A refrigerated protective case according to claim 1 characterized in that the bottom wall of the main positioning groove (6) is provided with an anti-slip structure (12), the anti-slip structure (12) being in contact with the cryopreservation bag (5).