Freezing and thawing bag protective shell

Abstract

The utility model discloses a freeze thawing bag protection shell, and relates to the field of liquid medicine transfer devices. The freeze thawing bag protection shell comprises a box body structure and a positioning module. The box body structure comprises a first box body and a second box body which are detachably stacked, the opposite end faces of the first box body and the second box body are provided with a first containing cavity and a second containing cavity respectively, the positioning module comprises a first positioning block, and the first positioning block is arranged in the box body structure in a sliding and abutting mode; and an adjusting structure is arranged between the first positioning block and the box body structure. According to the protective shell provided by the utility model, the limiting position of the first positioning block on the freezing and thawing bag is adjusted through the adjusting structure, so that the freezing and thawing bags with different specifications and sizes are fully matched and loaded, the universality is good, the protective shell is convenient to reuse, and the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of liquid medicine transport devices, in particular to a freeze-thaw bag protective shell. Background Art

[0002] The production process of biological drug bulk solution to preparation is usually non-continuous production. After the biological drug bulk solution is prepared and transferred to the cold storage for storage, it is then transferred to the preparation workshop for preparation production. There are many possible failures that may occur during the bulk solution transportation process, such as temperature exceeding the limit, falling during transportation or scratches on the surface of the bulk solution freeze-thaw bag, or the bulk solution freeze-thaw bag's own structure or bag bending during transportation, which may cause packaging damage, thereby affecting the bulk solution quality and causing losses. At present, the freeze-thaw bag can be placed in a protective shell to provide shockproof, buffering, and protection for the freeze-thaw bag, but it is difficult to fully adapt when loading freeze-thaw bags of different specifications and sizes. Its versatility is poor, which is not conducive to the reuse of the protective shell and increases the cost of use. Utility Model Content

[0003] In order to solve the technical problems raised by the above background technology, the utility model provides a freeze-thaw bag protective shell, comprising:

[0004] The box body structure comprises a first box body and a second box body which are detachably stacked, wherein the first box body and the second box body are respectively provided with a first receiving cavity and a second receiving cavity on the facing end surfaces thereof, and the first receiving cavity and the second receiving cavity are suitable for jointly receiving a freeze-thaw bag;

[0005] A positioning module, wherein the positioning module comprises a first positioning block, the first positioning block is slidably abutted in the box body structure, an adjustment structure is arranged between the first positioning block and the box body structure, the adjustment structure comprises a guide groove and at least two latching positions which are arranged in communication on the second box body, and a latching block which is arranged on the inner wall surface of the second box body facing the first positioning block; the guide groove extends along the limiting direction of the freeze-thaw bag of the second receiving chamber, the guide groove and the latching position are staggered in the height direction, any two of the latching positions are arranged at intervals, the latching block and the guide groove are slidably arranged, and the latching block is suitable for sliding into the latching position so that the first positioning block can abut against the limiting freeze-thaw bag.

[0006] Optionally, the first positioning block includes a first positioning portion and a second positioning portion fixedly connected to each other, the first positioning portion is configured as a block structure, the first positioning portion is slidably configured along two end faces along its extension direction and the inner wall surface of the first receiving cavity, and the second positioning portion is arranged on a side of the first positioning portion close to the freeze-thaw bag.

[0007] Optionally, a slope structure is provided on the first positioning portion, the second positioning portion is provided on the slope structure, and the second positioning portion and the inner wall surface of the first receiving cavity are spaced apart to form a stock solution extraction position.

[0008] Optionally, the positioning module further includes at least one second positioning block, which is arranged in the box structure; the first positioning block is arranged parallel to the width direction of the second receiving cavity, and the second positioning block is arranged parallel to the length direction of the second receiving cavity.

[0009] Optionally, the positioning module further includes a connecting pad and an elastic member, one end of the elastic member is fixedly connected to the second box body, the other end of the elastic member is fixedly connected to the connecting pad, the connecting pad is arranged between the elastic member and the second positioning block, the elastic force action direction of the elastic member and the limiting direction of the second positioning block suitable for limiting the freeze-thaw bag are arranged in parallel, and the connecting pad and the second positioning block are fixedly connected or not connected; or

[0010] The positioning module further comprises an elastic member, one end of which is fixedly connected to the second box body, and the other end of which is fixedly connected to the second positioning block.

[0011] Optionally, a connecting groove is provided on the end surface of the first box body facing the second box body, and a connecting column is provided on the end surface of the second box body facing the first box body; when the first box body and the second box body are in a fixed state, the connecting groove and the connecting column are correspondingly connected; and / or

[0012] The second box body is provided with a positioning groove, a tube clamp groove and a pipeline groove which are connected to each other. The positioning groove is connected between the second receiving cavity and the tube clamp groove, and the tube clamp groove is connected between the positioning groove and the pipeline groove. The positioning groove and the pipeline groove are corresponding in number.

[0013] Optionally, the freeze-thaw bag protective shell further comprises a locking assembly for locking or unlocking the fixed state of the first box body and the second box body;

[0014] The locking assembly includes a plurality of male buckles and female buckles arranged in pairs, wherein the male buckle is rotatably arranged on the first box body, and the female buckle is fixedly arranged on the second box body, and the male buckle and the female buckle are engaged with each other so that the first box body and the second box body are in a fixed state, and the male buckle and the female buckle are disengaged so that the first box body and the second box body are in an unlocked state.

[0015] Optionally, a handle is provided on any box body, and the handle is arranged on a lateral wall surface on the same side when the first box body and the second box body are in a fixed state; and / or

[0016] Any box body is provided with a plurality of anti-skid modules, and the anti-skid modules are arranged on a side of any box body away from its receiving cavity.

[0017] Optionally, a recorder slot and a recorder extraction position are provided on the end surface of the second box body facing the first box body, the recorder slot and the second receiving cavity are spaced apart, and the recorder slot and the recorder extraction position are connected.

[0018] Optionally, a handle position is provided on an end surface of the first box body facing away from the second box body; and / or

[0019] An information card slot is arranged on the end surface of the first box body facing away from the second box body.

[0020] The technical solution provided by the utility model has the following advantages:

[0021] The freeze-thaw bag protective shell provided by the utility model comprises a box body structure and a positioning module; the box body structure comprises a first box body and a second box body which are detachably stacked, and a first receiving cavity and a second receiving cavity are respectively arranged on the facing end surfaces of the first box body and the second box body, and the first receiving cavity and the second receiving cavity are suitable for jointly receiving the freeze-thaw bag; the positioning module comprises a first positioning block, and the first positioning block is slidably abutted and arranged in the box body structure, and an adjustment structure is arranged between the first positioning block and the box body structure.

[0022] The freeze-thaw bag protective shell of this structure is suitable for jointly accommodating the freeze-thaw bag through the first accommodating cavity and the second accommodating cavity, and the stacked first box body and the second box body are used to form an outer protection for the freeze-thaw bag. When loading freeze-thaw bags of different specifications and sizes, the position of the first positioning block in the accommodating cavity is adjusted to cooperate with the inner wall of the accommodating cavity to abut and position the freeze-thaw bag, thereby enhancing the stability of the freeze-thaw bag during loading and transportation, avoiding adverse shaking during transportation, and ensuring the effectiveness of the biological drug stock solution; the position of the first positioning block in the accommodating cavity is adjusted by sliding, and the adjustment structure configured between the first positioning block and the box body structure is used to make the first positioning block have different limit positions. By sliding between the guide groove and the card block, the card block can enter different card positions to achieve the purpose of adjusting the limit position of the first positioning block, and the adjustment operation is convenient; the protective shell provided by the utility model can fully adapt to loading freeze-thaw bags of different specifications and sizes, has good versatility, is convenient for repeated use of the protective shell, and is conducive to reducing the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of the freeze-thaw bag protective shell provided by the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the first box body in the freeze-thaw bag protective shell provided by the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the second box body in the freeze-thaw bag protective shell provided by the utility model;

[0027] Figure 4 A schematic diagram of the connection between the second box body and the positioning module in the freeze-thaw bag protective shell provided by the utility model;

[0028] Figure 5 A schematic diagram of the structure of the regulating structure in the freeze-thaw bag protective shell provided by the utility model;

[0029] Figure 6 A schematic diagram of the connection of the second positioning block in the freeze-thaw bag protective shell provided by the utility model;

[0030] Description of reference numerals:

[0031] 11-first box body; 111-first receiving cavity; 112-connecting groove; 12-second box body; 121-second receiving cavity; 122-positioning groove; 123-tube clamp groove; 124-pipeline groove; 125-connecting column;

[0032] 2-locking assembly; 21-male buckle; 22-female buckle;

[0033] 31-first positioning block; 311-first positioning portion; 312-second positioning portion; 32-second positioning block; 33-guide groove; 34-positioning position; 35-block; 36-connection pad; 37-elastic member;

[0034] 4-handle piece; 5-anti-slip module; 6-raw liquid extraction position; 7-recorder slot; 8-recorder extraction position; 9-handle position; 10-information card slot. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0039] Example 1

[0040] The present embodiment aims to provide a freeze-thaw bag protective shell with good versatility, taking into account heat preservation, shockproof and buffering performance, capable of fixing the freeze-thaw bag and its pipelines, and meeting the recyclability of the protective shell.

[0041] This embodiment provides a freeze-thaw bag protective shell, see Figures 1 to 6 The freeze-thaw bag protective shell includes a box body structure and a positioning module; the box body structure includes a first box body 11 and a second box body 12 that are detachably stacked.

[0042] See also Figure 2 and Figure 3A first receiving cavity 111 and a second receiving cavity 121 are respectively provided on the facing end surfaces of the first box body 11 and the second box body 12, and the first receiving cavity 111 and the second receiving cavity 121 are suitable for jointly receiving a freeze-thaw bag; the first box body 11 and the second box body 12 are selected to be thermal insulation and buffering materials to provide buffering and vibration reduction for the loaded freeze-thaw bags.

[0043] In this embodiment, the first receiving chamber 111 and the second receiving chamber 121 cooperate with each other to place a freeze-thaw bag, thereby providing a certain buffer space for the freeze-thaw bag whose original liquid is in a low-temperature frozen state and whose volume is slightly expanded.

[0044] See also Figure 4 The positioning module includes a first positioning block 31, which is slidably abutted in the box structure, and an adjustment structure is configured between the first positioning block 31 and the box structure.

[0045] In this embodiment, see Figures 3 to 5 The adjustment structure includes a guide groove 33 and at least two positions 34 which are connected and arranged on the second box body 12, and a block 35 which is arranged on the inner wall of the first positioning block 31 facing the second box body 12; the guide groove 33 is extended along the limiting direction of the freeze-thaw bag of the second receiving chamber 121, the guide groove 33 and the position 34 are staggered in the height direction, any two positions 34 are arranged at intervals, the block 35 and the guide groove 33 are configured to slide, and the block 35 is suitable for sliding into the position 34 so that the first positioning block 31 can abut against the limiting freeze-thaw bag. The position of the first positioning block 31 in the receiving chamber is adjusted by sliding, and the adjustment structure configured between the first positioning block 31 and the box body structure is used to make the first positioning block 31 have different limiting positions. By sliding between the guide groove 33 and the block 35, the block 35 can enter different positions 34 to achieve the purpose of adjusting the limiting position of the first positioning block, and the adjustment operation is convenient.

[0046] In some embodiments, the lateral end surface of the first positioning block 31 along the sliding direction abuts against the inner wall surface of the first receiving cavity 111; of course, the lateral end surface of the first positioning block 31 along the sliding direction can abut against the inner wall surface of the second receiving cavity 121.

[0047] As a preferred embodiment, the height of the first positioning block 31 is greater than the height of the inner wall of the first receiving chamber 111, and is less than or equal to the sum of the height of the inner wall of the first receiving chamber 111 and the height of the inner wall of the second receiving chamber 121. The upper end of the first positioning block 31 can enter the second receiving chamber 121 to jointly limit the freeze-thaw bags loaded in the two receiving chambers.

[0048] As an exemplary embodiment, see Figure 4The first positioning block 31 includes a first positioning portion 311 and a second positioning portion 312 that are fixedly connected. The first positioning portion 311 is configured as a block structure. The two end faces of the first positioning portion 311 along its extension direction are abutted against the inner wall surface of the first receiving cavity 111. The second positioning portion 312 is arranged on a side of the first positioning portion 311 close to the freeze-thaw bag. The first positioning portion 311 and the second positioning portion 312 can be used to provide a limiting effect on the freeze-thaw bag.

[0049] In some embodiments, see Figure 4 The first positioning portion 311 is provided with an inclined surface structure, the second positioning portion 312 is provided on the inclined surface structure, and the second positioning portion 312 and the inner wall surface of the first receiving cavity 111 are spaced apart to form a stock solution extraction position 6. With this arrangement, when the user needs to take out the freeze-thaw bag from the second receiving cavity, the user can operate through the stock solution extraction position 6, which facilitates the process of taking and placing the freeze-thaw bag.

[0050] As a variation, a notch is provided on the first positioning block 31. When the first positioning block 31 is placed in the second receiving cavity 121 to position the freeze-thaw bag, the notch is connected to the part of the second receiving cavity 121 where the freeze-thaw bag is placed. The notch can be used as a stock solution extraction position 6, thereby providing convenience for users.

[0051] In some embodiments, see Figure 4 The positioning module also includes at least one second positioning block 32, which is disposed in the box structure. The bottom of the second positioning block 32 abuts against the first receiving cavity 111. Of course, the bottom of the second positioning block 32 can abut against the second receiving cavity 121.

[0052] As a preferred embodiment, the height of the second positioning block 32 is greater than the height of the inner wall of the first receiving chamber 111, and is less than or equal to the sum of the height of the inner wall of the first receiving chamber 111 and the height of the inner wall of the second receiving chamber 121. The upper end of the second positioning block 32 can enter the second receiving chamber 121 to jointly limit the freeze-thaw bags loaded in the two receiving chambers.

[0053] In this embodiment, see Figure 4 The first positioning block 31 is arranged parallel to the width direction of the second receiving cavity 121 , and the second positioning block 32 is arranged parallel to the length direction of the second receiving cavity 121 .

[0054] See also Figure 4 and Figure 6The positioning module also includes a connection pad 36 and an elastic member 37. One end of the elastic member 37 is fixedly connected to the second box body 12, and the other end of the elastic member 37 is fixedly connected to the connection pad 36. The connection pad 36 is arranged between the elastic member 37 and the second positioning block 32. The elastic force action direction of the elastic member 37 is parallel to the limiting direction of the second positioning block 32 suitable for limiting the freeze-thaw bag. The connection pad 36 and the second positioning block 32 are fixedly connected. When the freeze-thaw bag is placed in the second box body 12, the elastic member 37 is compressed by squeezing the second positioning block 32 and the connection pad 36, and the second positioning block 32 avoids the placement space of the freeze-thaw bag; after the freeze-thaw bag is placed, the elastic member 37 elastically acts on the second positioning block 32 and the connection pad 36 to return, so that the second positioning block 32 abuts against the side of the limiting freeze-thaw bag. The connection pad 36 is used as a force action buffer structure between the elastic member 37 and the second positioning block 32, which is conducive to avoiding the elastic member 37 from squeezing the second positioning block 32.

[0055] In another embodiment, the connection pad 36 and the second positioning block 32 are fixedly arranged without being connected. This arrangement can flexibly adjust the side position of the connection pad 36 limiting the freeze-thaw bag.

[0056] As a variation, the positioning module further includes an elastic member 37, one end of the elastic member 37 is fixedly connected to the second box body 12, and the other end of the elastic member 37 is fixedly connected to the second positioning block 32. This arrangement has a compact structure and is easy to manufacture and implement.

[0057] In the specific implementation process, the second positioning block 32 can be of multiple different specifications and can be placed in the receiving cavity to fill the remaining space after different specifications of raw liquid freeze-thaw bags are placed in the receiving cavity to fix the freeze-thaw bag body, which can meet the needs of adapting to a variety of different specifications and sizes of raw liquid freeze-thaw bags.

[0058] In a specific embodiment, the second positioning block 32 is configured as high-density EVA foam. This foam material has good strength and flexibility, can provide position limiting support and cushioning for the freeze-thaw bag, and is well suited for use in filling empty spaces in the receiving cavity.

[0059] In a specific embodiment, the first positioning block 31 and the second positioning block 32 may be configured as a flexible grid structure to flexibly abut against the freeze-thaw bag in the box structure.

[0060] When the size of the freeze-thaw bag is smaller than the size of the receiving chamber, refer to Figure 4 The first positioning block 31 can be moved to the right side as shown in the figure, correspondingly reducing the actual loading space of the storage chamber for the freeze-thaw bag, so as to limit and constrain the freeze-thaw bag.

[0061] There is no specific limitation on the length and width of the first positioning block 31 and the second positioning block 32 , and the configuration is selected according to actual needs.

[0062] In some embodiments, see Figure 2 and Figure 3 A connecting groove 112 is provided on the end surface of the first box body 11 facing the second box body 12, and a connecting column 125 is provided on the end surface of the second box body 12 facing the first box body 11; when the first box body 11 and the second box body 12 are in a fixed state, the connecting groove 112 and the connecting column 125 are correspondingly connected.

[0063] In a specific embodiment, the connection groove 112 is configured as a snap-fit ​​groove, and the connection column 125 is configured as a flexible snap-fit ​​column, so as to perform snap-fit ​​limiting when the first box body 11 and the second box body 12 are docked, thereby improving the limiting and fixing effect of the docking between the two.

[0064] In some embodiments, see Figure 3 and Figure 4 The second box body 12 is provided with a positioning groove 122, a tube clamp groove 123 and a pipeline groove 124 which are connected to each other. The positioning groove 122 is connected between the second receiving cavity 121 and the tube clamp groove 123, and the tube clamp groove 123 is connected between the positioning groove 122 and the pipeline groove 124. The positioning groove 122 and the pipeline groove 124 are corresponding in number.

[0065] Among them, the positioning groove 122 is used to position the initial section of the liquid outlet pipe on the liquid outlet side of the freeze-thaw bag, the tube clamp groove 123 is used to place a tube clamp (not shown in the figure), the tube clamp can be used to clamp and position the liquid outlet pipe section of the freeze-thaw bag, and the pipeline groove 124 is used to place the liquid outlet pipe.

[0066] In some embodiments, see Figure 2 and Figure 3 The freeze-thaw bag protective shell also includes a locking assembly 2, which is used to lock or unlock the fixed state of the first box body 11 and the second box body 12. The locking assembly 2 includes a plurality of male buckles 21 and female buckles 22 arranged in pairs, the male buckle 21 is rotatably arranged on the first box body 11, and the female buckle 22 is fixedly arranged on the second box body 12. The male buckle 21 and the female buckle 22 are arranged to be engaged with each other so that the first box body 11 and the second box body 12 are in a fixed state, and the male buckle 21 and the female buckle 22 are disengaged so that the first box body 11 and the second box body 12 are in an unlocked state.

[0067] In a specific embodiment, the male buckle 21 is configured as a knob buckle, and the female buckle 22 is configured as a fixed buckle with a limiting notch. The knob buckle and the fixed buckle fix the first box body 11 and the second box body 12 by locking each other.

[0068] In some embodiments, see Figure 2 and Figure 3, a handle 4 is provided on any box body, and the handle 4 is arranged on the lateral wall surface on the same side where the first box body 11 and the second box body 12 are in a fixed state. This arrangement is convenient for users to operate the transport.

[0069] The first box body 11 and the second box body 12 are respectively provided with a plurality of anti-skid modules 5; on the first box body 11, the anti-skid modules 5 are arranged on a side of the first box body 11 away from the first receiving cavity 111, and on the second box body 12, the anti-skid modules 5 are arranged on a side of the second box body 12 away from the second receiving cavity 121. The anti-skid modules 5 are arranged around the outer surfaces of the first box body 11 and the second box body 12.

[0070] In some embodiments, see Figure 3 The second box body 12 is provided with a recorder slot 7 and a recorder extraction position 8 on the end surface facing the first box body 11. The recorder slot 7 and the second receiving cavity 121 are arranged at intervals, and the recorder slot 7 and the recorder extraction position 8 are connected. The recorder slot 7 can be used to place a temperature and humidity recorder to meet the temperature recording requirements, and the recorder extraction position 8 can facilitate personnel to take out the temperature and humidity recorder.

[0071] In some embodiments, see Figure 1 A hand-holding position 9 is provided on the end surface of the first box body 11 facing away from the second box body 12. The hand-holding position 9 can facilitate the user's hand to take and place operations.

[0072] In some embodiments, see Figure 1 The end surface of the first box body 11 facing away from the second box body 12 is provided with an information card slot 10. The stock solution information card can be inserted into the information card slot 10 to facilitate the user to identify the stock solution information. When the protective shell is repeatedly used to store and transport different stock solutions, it is more convenient than repeatedly tearing and pasting the information sticker to update the stock solution information. It can also avoid the information card pasted on the surface of the box cover losing its adhesiveness due to low temperature and accidentally falling off during transportation.

[0073] The freeze-thaw bag protective shell provided in this embodiment is suitable for accommodating freeze-thaw bags together through the first receiving cavity 111 and the second receiving cavity 121, and the stacked first box body 11 and the second box body 12 are used to form an outer protection for the freeze-thaw bag. When loading freeze-thaw bags of different specifications and sizes, the position of the first positioning block 31 in the receiving cavity is adjusted to cooperate with the inner wall of the receiving cavity to abut and position the freeze-thaw bag, thereby enhancing the stability of the freeze-thaw bag during loading and transportation, avoiding adverse shaking during transportation, and ensuring the effectiveness of the biological drug stock solution. The protective shell provided in this embodiment can fully adapt to loading freeze-thaw bags of different specifications and sizes, has good versatility, is convenient for repeated use of the protective shell, and is conducive to reducing the cost of use.

[0074] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A freeze-thaw bag protective shell, characterized in that: include: A box body structure comprises a first box body (11) and a second box body (12) which are detachably stacked, wherein the first box body (11) and the second box body (12) are respectively provided with a first receiving cavity (111) and a second receiving cavity (121) on the facing end surfaces thereof, and the first receiving cavity (111) and the second receiving cavity (121) are suitable for jointly receiving a freeze-thaw bag; A positioning module, the positioning module comprising a first positioning block (31), the first positioning block (31) being slidably abutted in the box body structure, an adjustment structure being arranged between the first positioning block (31) and the box body structure, the adjustment structure comprising a guide groove (33) and at least two latching positions (34) arranged in communication on the second box body (12), and a latching block (35) arranged on the inner wall surface of the first positioning block (31) facing the second box body (12); the guide groove (33) is extended along the limiting direction of the freeze-thaw bag of the second receiving cavity (121), the guide groove (33) and the latching position (34) are staggered in the height direction, any two of the latching positions (34) are arranged at intervals, the latching block (35) and the guide groove (33) are slidably arranged, and the latching block (35) is suitable for sliding into the latching position (34) so ​​that the first positioning block (31) can abut against the limiting freeze-thaw bag.

2. The freeze-thaw bag protective shell according to claim 1, characterized in that: The first positioning block (31) comprises a first positioning portion (311) and a second positioning portion (312) which are fixedly connected to each other, the first positioning portion (311) being arranged as a block structure, the first positioning portion (311) being arranged to slide along two end faces along its extension direction and the inner wall surface of the first receiving cavity (111), and the second positioning portion (312) being arranged on a side of the first positioning portion (311) close to the freeze-thaw bag.

3. The freeze-thaw bag protective shell according to claim 2, characterized in that: The first positioning portion (311) is provided with an inclined surface structure, the second positioning portion (312) is provided on the inclined surface structure, and the second positioning portion (312) and the inner wall surface of the first receiving cavity (111) are spaced apart to form a stock solution extraction position (6).

4. The freeze-thaw bag protective shell according to claim 1, characterized in that: The positioning module further comprises at least one second positioning block (32), wherein the second positioning block (32) is arranged in the box structure; the first positioning block (31) is arranged parallel to the width direction of the second receiving cavity (121), and the second positioning block (32) is arranged parallel to the length direction of the second receiving cavity (121).

5. The freeze-thaw bag protective shell according to claim 4, characterized in that: The positioning module further comprises a connection pad (36) and an elastic member (37), one end of the elastic member (37) is fixedly connected to the second box body (12), the other end of the elastic member (37) is fixedly connected to the connection pad (36), the connection pad (36) is arranged between the elastic member (37) and the second positioning block (32), the elastic force action direction of the elastic member (37) and the limiting direction of the second positioning block (32) are suitable for limiting the freeze-thaw bag are arranged in parallel, the connection pad (36) and the second positioning block (32) are fixedly connected or not connected; or The positioning module further comprises an elastic member (37), one end of the elastic member (37) being fixedly connected to the second box body (12), and the other end of the elastic member (37) being fixedly connected to the second positioning block (32).

6. The freeze-thaw bag protective shell according to claim 1, characterized in that: A connecting groove (112) is provided on the end surface of the first box body (11) facing the second box body (12), and a connecting column (125) is provided on the end surface of the second box body (12) facing the first box body (11); when the first box body (11) and the second box body (12) are in a fixed state, the connecting groove (112) and the connecting column (125) are connected and arranged correspondingly; and / or The second box body (12) is provided with a positioning groove (122), a tube clamp groove (123) and a pipeline groove (124) which are arranged in communication with each other; the positioning groove (122) is arranged in communication between the second receiving cavity (121) and the tube clamp groove (123); the tube clamp groove (123) is arranged in communication between the positioning groove (122) and the pipeline groove (124); and the positioning groove (122) and the pipeline groove (124) are arranged in a corresponding number.

7. The freeze-thaw bag protective shell according to any one of claims 1 to 6, characterized in that: The freeze-thaw bag protective shell further comprises a locking assembly (2) for locking or unlocking the fixed state of the first box body (11) and the second box body (12); The locking assembly (2) comprises a plurality of male buckles (21) and female buckles (22) arranged in pairs, wherein the male buckle (21) is rotatably arranged on the first box body (11), and the female buckle (22) is fixedly arranged on the second box body (12); the male buckle (21) and the female buckle (22) are arranged to be engaged with each other so that the first box body (11) and the second box body (12) are in a fixed state; the male buckle (21) and the female buckle (22) are disengaged so that the first box body (11) and the second box body (12) are in an unlocked state.

8. The freeze-thaw bag protective shell according to any one of claims 1 to 6, characterized in that: A handle (4) is provided on any one of the box bodies, and the handle (4) is arranged on a lateral wall surface on the same side when the first box body (11) and the second box body (12) are in a fixed state; and / or A plurality of anti-skid modules (5) are provided on any box body, and the anti-skid modules (5) are arranged on a side of any box body away from its receiving cavity.

9. The freeze-thaw bag protective shell according to any one of claims 1 to 6, characterized in that: A recorder slot (7) and a recorder extraction position (8) are provided on the end surface of the second box body (12) facing the first box body (11); the recorder slot (7) and the second receiving cavity (121) are arranged at intervals; and the recorder slot (7) and the recorder extraction position (8) are arranged in communication.

10. The freeze-thaw bag protective shell according to any one of claims 1 to 6, characterized in that: A handle position (9) is provided on the end surface of the first box body (11) facing away from the second box body (12); and / or An information card slot (10) is provided on the end surface of the first box body (11) facing away from the second box body (12).

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