CN213020471U - Support for biological laboratory refrigerating device - Google Patents

Abstract

The utility model discloses a support for biological laboratory refrigerating plant belongs to biological experiment device technical field. The support comprises a frame consisting of a plurality of connecting plates, one or a plurality of collecting and releasing assemblies and a support assembly which are arranged in the frame, and a plurality of contraction mechanisms. The connecting plate includes two cooperation fixed connection in the vertical connecting plate of cold storage plant setting lateral wall and two horizontal connecting plate of connecting in two vertical connecting plate upper and lower both ends. The retraction assembly and the support assembly are movably connected to the longitudinal connecting plate through a contraction mechanism. The folding and unfolding bearing mechanism capable of folding downwards 90 degrees to form a supporting platform is arranged on the folding and unfolding assembly. The support assembly is provided with a support overturning and bearing mechanism which can be turned upwards by 90 degrees to form a support platform. The support adopts an assembly type structure, can be assembled according to specific requirements, is provided with support assemblies with different quantities and forms, collecting and releasing assemblies, connecting plates and the like, and can divide the refrigerating space of the refrigerating device into structures which can realize the maximization of the space utilization rate.

Description

Support for biological laboratory refrigerating device

Technical Field

The utility model relates to a support for biological laboratory refrigerating plant belongs to biological experiment device technical field.

Background

In biological experiment process, the samples, reagents and even solvents are required to be refrigerated for storage, so as to avoid losing activity or efficiency. However, since biological experiments are very diverse, various samples and reagents are often packed in refrigerators, freezers, and the like for refrigeration. In search, it is often time consuming, especially for a long-term unused reagent or a reagent frequently used by many people.

In addition, in some cases, devices such as refrigerators and freezers used for cold storage use a horizontal shelf for sale, and the storage space inside is limited by the internal shelf division. On the one hand, when the number of racks is small, the divided upper space is often not available, especially for vertical refrigerator-freezers; on the other hand, in a refrigerating apparatus such as a refrigerator or an ice chest, a structure such as a rib or a groove is often provided on a side wall to adjust the size of a divided space, but when a specific article needs to be put in and the height of the article exceeds the divided space, the entire layer of the article needs to be transferred to re-divide the space. In the treatment process, time is often consumed, and meanwhile, the loss of cold energy can be caused, and stored articles are exposed to a high stable environment.

SUMMERY OF THE UTILITY MODEL

For solving the inconvenient technical problem of current for biological test refrigerating plant inner space adjustment, space utilization is low on the one side and seek the inconvenient technical problem of article, the utility model provides a support for biological laboratory refrigerating plant, the technical scheme who takes as follows:

a support for a refrigerating device of a biological laboratory comprises a frame consisting of a plurality of connecting plates 2, one or a plurality of retraction assemblies 4 and support assemblies 5 which are arranged in the frame, and a plurality of contraction mechanisms 6; the connecting plate 2 comprises two longitudinal connecting plates 21 which are matched and fixedly connected with the side wall of the refrigerating device and two transverse connecting plates 22 which are connected with the upper end and the lower end of the two longitudinal connecting plates 21; the retraction assembly 4 and the support assembly 5 are movably connected to the longitudinal connecting plate 21 through a contraction mechanism 6; the folding and unfolding bearing mechanism 42 capable of being folded downwards by 90 degrees to form a supporting platform is arranged on the folding and unfolding assembly 4; the support bracket assembly 5 is provided with a support bracket overturning and bearing mechanism 52 which can be turned upwards by 90 degrees to form a support platform.

Preferably, the contracting mechanism 6 comprises a fixing groove 61 with a cross section of a [ shape ] and a pulling strip 62 movably connected in the fixing groove 61; the fixing groove 61 is fixedly connected with the side wall of the refrigerating device through a refrigerating wall fixing hole 611 on the vertical side surface; the drawing strip 62 comprises a strip plate with a rectangular cross section, a plurality of rotating shafts 622 are distributed on one side surface of the strip plate in a linear array along the length direction, each rotating shaft 622 is provided with a roller 621, and the circumferential surface of each roller 621 is tangent to the upper surface and the lower surface in the fixing groove 61; a plurality of fixing screw holes 623 are distributed on the lath at intervals with the rotating shaft 622.

More preferably, the retraction assembly 4 comprises a retraction connecting frame 41 and a retraction overturning bearing mechanism 42; the folding and unfolding connecting frame 41 is an inverted II-shaped structure formed by integrally forming two vertical frames 412 and one horizontal frame 413; a bearing plate 414 extending to the opposite side of the refrigerating wall is arranged on the upper part of the horizontal frame 413; shaft holes 415 are formed in the bottoms of the opposite sides of the two vertical frames 412; the main body of the folding and unfolding bearing mechanism 42 is a rectangular bearing frame 421, and shafts 424 are arranged at the bottoms of two side surfaces of the bearing frame 421 in the length direction; the shaft 424 is inserted into the shaft hole 415, so that the bearing frame 421 can rotate downward 90 degrees around the shaft 424 and is supported by the bearing plate 414; a plurality of fixing bolts 416 are distributed on the vertical side surface of the horizontal frame 413 in a linear array along the length direction; the fixing bolt 416 is fixedly connected with a fixing screw hole 623 on the strip plate of the drawing strip 62.

More preferably, a fixing notch 411 is formed at the upper portion of a vertical frame 412, and a fixing handle 423 is correspondingly formed on the side of the carrying frame 421 where the fixing notch 411 is formed; when the carrying frame 421 is folded, the fixing handle 423 can be held and fixed in the fixing notch 411.

Preferably, the holder assembly 5 includes a holder connection frame 51, a holder turn-over support mechanism 52, and a movable support rod 53; the support connecting frame 51 is an n-shaped mechanism formed by integrally forming two vertical frames and a horizontal frame; shaft holes connected with the shaft of the support turning bearing mechanism 52 are arranged at the bottoms of the opposite side surfaces of the two vertical frame bodies of the support connecting frame 51; a support rod groove 513 is arranged at the upper part of the shaft hole, the main body of the support bracket overturning and bearing mechanism 52 is a rectangular mechanism, and a support rod movable groove 525 is arranged on the side surface opposite to the support rod groove 513; the movable support rod 53 comprises a support rod and sliding blocks connected to shafts on different sides of two ends of the support rod, and the two sliding blocks are respectively arranged in the support rod groove 513 and the support rod movable groove 525, so that the support overturning and bearing mechanism 52 can be overturned upwards to play a supporting role; fastening bolts for connecting with the fixing screw holes 623 are linearly distributed on one side surface of the horizontal frame body of the support connecting frame 51.

More preferably, the support bracket overturning and carrying mechanism 52 is provided with an inwards concave rectangular support bracket carrying groove 523, and the bottom of the support bracket carrying groove 523 is provided with a plurality of limiting holes 522 with different diameters.

Preferably, at least one longitudinal connecting middle plate 24; a groove is formed in the middle of the transverse connecting plate 22, and convex ridges are formed on two side faces of the longitudinal connecting middle plate 24; the longitudinal connecting middle plate 24 is inserted into the groove of the transverse connecting plate 22 through a rib to divide the rectangular refrigeration space formed by the two longitudinal connecting plates 21 and the transverse connecting plate 22 into a plurality of spaces.

More preferably, a plurality of collecting and releasing assemblies 4 and a plurality of supporting assemblies 5 are connected to the longitudinal connecting middle plate 24 through a contraction mechanism 6.

More preferably, the bracket further comprises a transverse connecting stub 23; two sides of the transverse connecting short plate 23 are respectively movably connected with the longitudinal connecting plate 21 and the longitudinal connecting middle plate 24 through a contraction mechanism 6.

Compared with the prior art, the utility model discloses the beneficial effect who obtains is:

the utility model discloses a support fixed mounting is particularly useful for setting up on the refrigerator lateral wall of upper cut apart the board bottom on refrigerator lateral wall. When not in use, the foldable refrigerator can be folded and attached to the side wall of a refrigerating device such as a refrigerator and an ice chest, and can be supported when in use, thereby fully utilizing the refrigerating space at the bottom of the upper partition plate. Therefore, the space utilization rate of the refrigerating device can be greatly improved. Meanwhile, the storage device is convenient to store and release, and the pattern in the refrigerating space can be changed very quickly, so that the refrigerating device can be flexibly used for storing various articles with different sizes and shapes.

In addition, a pulling mechanism is arranged in a fixed groove fixed with the side wall of the refrigerating device, so that the combined body of the connecting frame and the overturning bearing mechanism can be pulled out of the refrigerating device, and on one hand, the searching of articles is facilitated; on the other hand, the influence on other articles when searching for the article is small.

The utility model provides a support adopts the assembled structure, can assemble according to the actual demand, installs the support subassembly of different quantity and form, receive and releases subassembly and connecting plate etc. can cut apart into the structure that can realize the space utilization maximize with cold-stored space of refrigerating plant.

Drawings

Fig. 1 is a schematic perspective view of a bracket installed in a refrigerator according to a preferred embodiment of the present invention.

Fig. 2 is a schematic front view of the structure of fig. 1.

Fig. 3 is a schematic perspective view of a retractable assembly and a retractable mechanism of a stand according to a preferred embodiment of the present invention.

Fig. 4 is a schematic perspective view of the retraction assembly and the telescoping mechanism of the stand according to another preferred embodiment of the present invention.

Fig. 5 is a perspective view of a connection frame used in the retraction assembly of fig. 3 and 4.

Fig. 6 is a perspective view of the tilting support mechanism for the retraction assembly shown in fig. 3.

Fig. 7 is a schematic perspective view of a support assembly and a telescoping mechanism of a stand according to a preferred embodiment of the present invention.

FIG. 8 is a perspective view of a connecting frame for the bracket assembly of FIG. 7.

Fig. 9 is a schematic perspective view of a telescopic mechanism according to a preferred embodiment of the present invention.

Wherein, 1, a refrigerating device; 2, connecting the plate; 3, sealing the refrigeration bin; 4, retracting and releasing the assembly; 5, a support assembly; 6, a shrinking mechanism; 11, a refrigeration wall; 12, connecting grooves; 21, longitudinal connecting plates; 22, transverse connecting plates; 23, transversely connecting the short plates; 24, longitudinally connecting the middle plates; 31, a cartridge body; 32, a handle; 41, folding and unfolding the connecting frame; 42, folding, unfolding and overturning the bearing mechanism; 51, supporting the connecting frame; 52, supporting the overturning and bearing mechanism; 53, a movable support rod; 61, fixing grooves; 62, a pull strip; 411, fixing the notch; 412, vertical borders; 413, horizontal border; 414, a carrier plate; 415, a shaft hole; 416, a fixing bolt; 421, a bearing frame; 422, a bearing groove; 423, fixing the handle; 424, the shaft; 511, supporting the connecting frame; 512, supporting the fixing gap; 513, strut grooves; 521, supporting the bearing frame; 522, a limiting hole; 523, supporting the carrying groove; 524, supporting and fixing the handle; 525, a support rod movable groove; 611, cold storage wall fixing holes; 621, a roller; 622, a rotating shaft; 623 fixing the screw hole.

Detailed Description

In the following description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, or the connection may be internal to both components. To those of ordinary skill in the art, the specific meaning of the written terms in the present invention can be understood as a specific case.

In addition, in the following description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.

The materials, reagents, devices, apparatuses, methods and processes used in the following examples are not specifically described, and are all materials, reagents, devices, apparatuses, methods and processes which are common in the art, and are commercially available to those skilled in the art or can be routinely set up according to specific needs without any creative effort.

The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited by the following detailed description.

Fig. 1 is a schematic perspective view of a bracket installed in a refrigerator according to a preferred embodiment of the present invention. Fig. 2 is a schematic front view of the structure of fig. 1. As is apparent from fig. 1 and 2, the holder is provided inside the cubic refrigerator 1. A plurality of connecting grooves 12 are provided in the vertical direction opposite to each other on the refrigerating wall 11 of the refrigerating device 1. The webs 2 of the bracket comprise two longitudinal webs 21, two transverse webs 22, a transverse connecting stub 23 and a longitudinal connecting mid-plate 24. Wherein, the outer side surfaces of the two longitudinal connecting plates 21 are connected with the connecting groove 12 in an assembling way. The two transverse connecting plates 22 are divided into upper and lower portions connected to the two longitudinal connecting plates 21 through slots at both sides. Thereby, a rectangular parallelepiped refrigerating space is formed by enclosing the four, and in the space, the longitudinal connecting middle plate 24 is connected with the groove at the middle part of the transverse connecting plate 22 in an assembling manner by the convex ribs arranged up and down, thereby dividing the refrigerating space into two parts. One split refrigerating space is provided with a collecting and releasing component 4 at the upper part of the longitudinal connecting plate 21, and the other split refrigerating space is split into two small refrigerating spaces, namely an upper small refrigerating space and a lower small refrigerating space, at the middle part through a transverse connecting short plate 23. In the upper small refrigerating space, the upper part of the longitudinal connecting middle plate 24 is connected with a collecting and releasing assembly 4, and the upper part of the longitudinal connecting plate 21 is connected with a supporting assembly 5. The support assembly 5, the folding and unfolding assembly 4 and the transverse connecting short plate 23 are connected with the longitudinal connecting plate 21 or the longitudinal connecting middle plate 24 through the contraction mechanism 6, so that the support assembly can be slidingly extracted from the refrigerating space.

In addition, in the refrigerating space of the refrigerating device 1 itself, an independent refrigerating space is provided above the top transverse connecting plate 22 for placing some articles with larger width and smaller thickness. A sealed refrigerated storage compartment 3 is also provided below the transverse web 22 at the bottom. The sealed refrigerated storage 3 can be used for storing articles which do not move for a long time, for example, samples for refrigerated storage tests.

Fig. 3 is a schematic perspective view of a retractable assembly and a retractable mechanism of a stand according to a preferred embodiment of the present invention. As can be seen from figure 3, in the preferred embodiment, the collecting and releasing assembly comprises an inverted II-shaped collecting and releasing connecting frame 41 and a collecting and releasing overturning bearing mechanism 42 which is rectangular overall. The elongated contraction mechanism 6 is installed at the lower portion of one side of the retraction assembly 4. Wherein, a fixing notch 411 is arranged at the upper part of one of two vertically arranged vertical frames 412 of the collecting and connecting frame 41, and a fixing handle 423 is arranged at the opposite side of the rectangular plate-shaped collecting and overturning bearing mechanism 42. When the folding and unfolding bearing mechanism 42 is put down, the fixing handle 423 is separated from the fixing notch 411; when the retractable/reversible bearing mechanism 42 is retracted, the fixing handle 423 is engaged with the fixing notch 411 to fix the retractable/reversible bearing mechanism 42 to the retractable connecting frame 41. The horizontal rim of the housing connection frame 41 is connected to the pull-out strip 62 of the housing assembly 6 so as to be movable with the pull-out strip 62. And the drawing bar 62 is positioned in the fixing groove 61. In addition, the main body of the folding and unfolding bearing mechanism 42 is a rectangular bearing frame 421, and a concave rectangular bearing groove 422 is arranged on one side surface of the rectangular bearing frame 421, so that stored articles can be placed in the rectangular bearing groove 422 when the folding and unfolding bearing mechanism 42 is put down.

Fig. 4 is a schematic perspective view of the retraction assembly and the telescoping mechanism of the stand according to another preferred embodiment of the present invention. As can be seen in fig. 4, the preferred embodiment is substantially identical to the retraction assembly and retraction mechanism shown in fig. 3. The difference is that a rectangular through hole is arranged in the rectangular bearing groove 422, so that some articles can be clamped and hung on the rectangular through hole.

Fig. 5 is a perspective view of a connection frame used in the retraction assembly of fig. 3 and 4. As shown in fig. 5, the connection frame is provided with two vertical frames 412, a horizontal frame 413 is provided at the bottom of the vertical frame 412, and a loading plate 414 extending to one side is provided at the upper part of the horizontal frame 413. A plurality of fixing bolts 416 are linearly distributed on different side surfaces of the horizontal frame 413 and the bearing plate 414 along the length direction of the horizontal frame 413. A shaft hole 415 is formed at the bottom of each of the opposite sides of the two vertical frames 412. Meanwhile, a fixing notch 411 is formed at the upper portion of a vertical frame 412.

Fig. 6 is a perspective view of the tilting support mechanism for the retraction assembly shown in fig. 3. As can be seen from fig. 6, the flip-up support mechanism is rectangular in shape as a whole. Wherein, the long limit that this rectangle is located the bottom is the cambered surface to in the upset. Two sides of the bottom surface of the cambered surface are respectively provided with a shaft 424 connected with the shaft hole 415 of the retractable connecting frame 41. The main body of the turnover bearing mechanism is a rectangular bearing frame 421, and a concave bearing groove 422 is arranged on one side surface of the rectangular bearing frame 421 and is used as a containing groove for storing articles.

Fig. 7 is a schematic perspective view of a support assembly and a telescoping mechanism of a stand according to a preferred embodiment of the present invention. FIG. 8 is a perspective view of a connecting frame for the bracket assembly of FIG. 7. As can be seen in FIGS. 7 and 8, in the preferred embodiment, the holder assembly is similar to the storage assembly, with the primary difference being that the storage assembly is turned upside down and the holder assembly is turned upside down. In addition, the holder assembly 5 includes a movable support rod 53 supporting the holder tilting mechanism, in addition to the holder connecting frame 51 and the holder tilting mechanism 52. The carrier-tilting bearing mechanism 52 eliminates the bearing plate structure by adopting the prevention of the upturning, and the support rod movable grooves 525 are provided at both sides for connecting the movable support rods 53. Accordingly, the support link frame 51 is also provided with a support groove 513 inside the two vertical frames. In addition, the difference is that a plurality of sets of limiting holes 522 with different diameters are arranged on the bottom surface of a support bearing groove 523 arranged on a main body support bearing frame 521 of the support overturning bearing mechanism 52 in a linear array distribution, so as to directly store articles such as centrifuge tubes, EP tubes and the like with different diameters.

Fig. 9 is a schematic perspective view of a telescopic mechanism according to a preferred embodiment of the present invention. As shown in fig. 9, in the preferred embodiment, the telescopic mechanism 6 mainly comprises a fixing groove 61 with a cross section of a [ shape ] and a pulling bar 62 using the fixing groove 61 as a slideway, and the opening side of the fixing groove 61 is provided with opposite protrusions to form a guard plate for preventing the fixing groove from sliding out. The main body of the drawing strip 62 is a strip plate with a rectangular section, a plurality of rotating shafts 622 are distributed on the strip plate in a linear array along the length direction of the strip plate, each rotating shaft 622 is provided with a roller 621, and the circumferential surface of each roller 621 is tangent to the upper surface and the lower surface of an inner groove of the fixing groove 61. Meanwhile, a plurality of fixing screw holes 623 are formed in the slat at intervals with the rotating shaft 622 so as to be fixedly connected with bolts on the horizontal frame of the connecting frame of the retractable assembly 4 or the support assembly 5. In addition, a plurality of refrigerating wall fixing holes 611 are linearly distributed on the vertical side of the fixing groove 61 along the length direction so as to be connected with the longitudinal connecting plate.

When the device is used, the contraction mechanism can be fixed on the longitudinal connecting plate and/or the longitudinal connecting middle plate in advance according to requirements. Then, when the longitudinal connecting plates are installed on the vertical side walls of the refrigerating device, the transverse connecting plates 22 are connected to form a self-provided refrigerating space. Then, the self-set refrigeration space is divided according to the actual requirement, and the collecting and releasing assembly and the supporting assembly are installed. When the storage platform is used, a part of the assembly for storing or searching articles can be pulled out of the refrigerating space, and the storage assembly is put down through the fixed handle or the support assembly is supported to form the storage platform for storing or searching articles. Similarly, the assembly can be pulled out from the telescopic mechanism between the time when a large number of articles or samples need to be directly stored, and the articles or samples are placed outside the refrigerating space and then transferred into the fixing groove for storage.

The self-arranged refrigerating space formed by the bracket can be adjusted according to actual requirements. The materials of each part are conventionally selected according to the use requirements, for example, the parts such as the fixing groove with larger stress can be made of metal materials with higher strength, and the length and the width of the bearing frame and the like can be adjusted according to the conventional conditions without repeated description.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (9)

1. The support for the refrigerating device of the biological laboratory is characterized by comprising a frame consisting of a plurality of connecting plates (2), one or a plurality of collecting and releasing assemblies (4) and a supporting assembly (5) which are arranged in the frame, and a plurality of contraction mechanisms (6); the connecting plates (2) comprise two longitudinal connecting plates (21) which are matched and fixedly connected with the side walls of the refrigerating device and two transverse connecting plates (22) which are connected to the upper end and the lower end of the two longitudinal connecting plates (21); the retraction assembly (4) and the support assembly (5) are movably connected to the longitudinal connecting plate (21) through a contraction mechanism (6); the folding and unfolding bearing mechanism (42) which can be folded downwards by 90 degrees to form a supporting platform is arranged on the folding and unfolding assembly (4); the support assembly (5) is provided with a support overturning and bearing mechanism (52) which can be turned upwards by 90 degrees to form a support platform.

2. The rack for the cold storage device in the biological laboratory according to claim 1, wherein the shrinking mechanism (6) comprises a fixing groove (61) with a cross section of a [ type ] and a pulling strip (62) movably connected in the fixing groove (61); the fixing groove (61) is fixedly connected with the side wall of the refrigerating device through a refrigerating wall fixing hole (611) on the vertical side surface; the drawing strip (62) comprises a strip plate with a rectangular cross section, a plurality of rotating shafts (622) are distributed on one side surface of the strip plate in a linear array along the length direction, each rotating shaft (622) is provided with a roller (621), and the circumferential surface of each roller (621) is tangent to the upper surface and the lower surface in the fixing groove (61); a plurality of fixing screw holes (623) are distributed on the lath at intervals with the rotating shaft (622).

3. The support for the refrigeration device of the biological laboratory according to claim 2, characterized in that the folding and unfolding assembly (4) comprises a folding and unfolding connecting frame (41) and a folding and unfolding bearing mechanism (42); the folding and unfolding connecting frame (41) is of an inverted II-shaped structure formed by integrally forming two vertical frames (412) and one horizontal frame (413); a bearing plate (414) extending to the opposite side of the refrigeration wall is arranged at the upper part of the horizontal frame (413); shaft holes (415) are formed in the bottoms of the opposite side surfaces of the two vertical frames (412); the main body of the folding and unfolding bearing mechanism (42) is a rectangular bearing frame (421), and shafts (424) are arranged at the bottoms of two side surfaces of the bearing frame (421) in the length direction; the shaft (424) is inserted into the shaft hole (415), so that the bearing frame (421) can rotate downwards by 90 degrees around the shaft (424) and is supported by the bearing plate (414); a plurality of fixing bolts (416) are distributed on the vertical side face of the horizontal frame (413) in a linear array along the length direction; the fixing bolt (416) is fixedly connected with a fixing screw hole (623) on the strip plate of the drawing strip (62).

4. The rack for the refrigerating device in the biological laboratory according to claim 3, wherein a fixing notch (411) is provided at the upper part of a vertical frame (412), and a fixing handle (423) is correspondingly provided at the side of the carrying frame (421) at the side provided with the fixing notch (411); when the bearing frame (421) is folded, the fixing handle (423) can be clamped and fixed in the fixing notch (411).

5. A rack for a cooling device in a biological laboratory according to claim 2, characterized in that the bracket assembly (5) comprises a bracket connecting frame (51), a bracket turning-over carrying mechanism (52) and a movable supporting rod (53); the support connecting frame (51) is a n-shaped mechanism formed by integrally forming two vertical frames and a horizontal frame; shaft holes connected with a shaft of the support turning bearing mechanism (52) are arranged at the bottoms of the opposite side surfaces of the two vertical frame bodies of the support connecting frame (51); a support rod groove (513) is arranged at the upper part of the shaft hole, the main body of the support bracket overturning and bearing mechanism (52) is a rectangular mechanism, and a support rod movable groove (525) is arranged on the side surface opposite to the support rod groove (513); the movable support rod (53) comprises a support rod and sliding blocks connected to shafts on different sides of two ends of the support rod, and the two sliding blocks are respectively arranged in the support rod groove (513) and the support rod movable groove (525), so that the support rod overturning and bearing mechanism (52) can be overturned upwards to play a supporting role; fastening bolts for connecting with the fixing screw holes (623) are linearly distributed on one side surface of the horizontal frame body of the support connecting frame (51).

6. The rack for the refrigerating device in the biological laboratory according to claim 5, wherein the support bracket overturning and bearing mechanism (52) is provided with an inwards concave rectangular support bracket bearing groove (523), and a plurality of limiting holes (522) with different diameters are arranged at the bottom of the support bracket bearing groove (523).

7. A rack for a cooling device in a biological laboratory according to claim 1, characterized by further comprising at least one longitudinal connecting middle plate (24); a groove is formed in the middle of the transverse connecting plate (22), and convex edges are formed on two side faces of the longitudinal connecting middle plate (24); the longitudinal connecting middle plate (24) is inserted into the groove of the transverse connecting plate (22) through a rib to divide a cuboid refrigerating space formed by the two longitudinal connecting plates (21) and the transverse connecting plate (22) into a plurality of spaces.

8. Support for cold storage devices in biological laboratories according to claim 7, characterized in that a plurality of collecting and releasing assemblies (4) and a holder assembly (5) are connected to said longitudinal connection intermediate plate (24) by means of a constriction mechanism (6).

9. The rack for a cooling device in a biological laboratory according to claim 7, characterized by further comprising a transverse connecting stub plate (23); two sides of the transverse connecting short plate (23) are respectively movably connected with the longitudinal connecting plate (21) and the longitudinal connecting middle plate (24) through a contraction mechanism (6).

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