CN219651698U - A firm subassembly, fixing device and cell cryopreservation system for cell cryopreservation - Google Patents

Abstract

The utility model relates to a stabilizing component for cell cryopreservation, a fixing device and a cell cryopreservation system, which comprise the following components: the two movable support plates are oppositely arranged; the two ends of the sliding rod are respectively connected with the two movable support plates; the first end of the screw rod penetrates through one movable support plate, the second end of the screw rod does not penetrate through the other movable support plate, and the two ends of the screw rod are respectively and rotatably connected with the two movable support plates; the rocker turntable is arranged on the outer side of the movable support plate. The fixing device has the advantages that the fixing components can limit and fix the placed freezing boxes, and each placing bin is internally provided with one fixing component independently, so that each freezing box can be limited and fixed independently when in use, and the practicability of the fixing bracket is improved; and through the spacing fixed to the post-placement cryopreservation box for when removing whole fixed bolster, the cryopreservation box can stabilize in the fixed bolster, in order to increase the stability after the cryopreservation box was placed.

Description

A firm subassembly, fixing device and cell cryopreservation system for cell cryopreservation

Technical Field

The utility model relates to the technical field of cell storage, in particular to a stabilizing component for cell cryopreservation, a fixing device and a cell cryopreservation system.

Background

Cell cryopreservation is one of the main methods of cell preservation. The freezing technology is used to store the cells in liquid nitrogen at-196 deg.c to separate the cells from growth state temporarily and store their cell characteristics, so that the cells are recovered for experiment when needed. And a certain amount of cells are moderately preserved, so that the cells can be prevented from being lost due to pollution or other unexpected events of the cells being cultured, and the effect of preserving the cells is achieved. In addition, some cells may be purchased, gifted, exchanged, and transported in the form of cell cryopreservation.

At present, cell cryopreservation is the most commonly used technical means of cell cryopreservation, and a commonly used cryopreservation apparatus consists of a fixed bracket and a cell cryopreservation box, and when the cells are loaded into the cryopreservation container and placed in the cryopreservation box, the cells are frozen in liquid nitrogen for a long time. If the freezing box is frozen in liquid nitrogen directly, the freezing box is poured, so that the freezing box is required to be placed on the freezing fixing frame, the existing freezing box is generally placed in the fixing frame in a one-to-one correspondence mode, and because the fixing frame is simple in structure, when an operator moves the fixing frame provided with the freezing box, the freezing box easily appears shaking phenomenon on the fixing frame, so that the stability is poor, the freezing box is not good in moving out effect after being placed, and when the freezing situation in the freezing box is observed on the fixing frame, the freezing box is limited and fixed in the fixing frame, and the freezing box is required to be taken out and checked after being limited and fixed in the fixing frame, so that the process is complicated, the practicability of the fixing frame is reduced, and therefore, a means for limiting and fixing the freezing box after being placed on the fixing frame and being convenient for limiting and fixing and taking out and checking is necessary is provided to solve the problems.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a stabilizing component, a fixing device and a cell freezing system for freezing cells, which are used for solving the problems that the existing freezing boxes in the related art are generally placed in a fixing support in a one-to-one correspondence manner, and because the fixing support is simple in structure, when an operator moves the fixing support provided with the freezing boxes, the freezing boxes easily shake on the fixing support, so that the stability of the fixing support is poor, the moving-out effect of the freezing boxes after the fixing support is poor, and when the situation of relative freezing in the freezing boxes is observed on the fixing support, the limiting fixation of the freezing boxes is released and then the freezing boxes are taken out for viewing after the freezing boxes are limited and fixed in the fixing support, so that the process is complicated, the practicability of the fixing support is reduced, and the problem of using is unfavorable.

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

in a first aspect, the present utility model provides a stabilizing assembly for cryopreservation of cells, comprising:

the two movable support plates are oppositely arranged;

the two ends of the sliding rod are respectively connected with the two movable support plates;

the first end of the screw rod penetrates through one movable support plate, the second end of the screw rod does not penetrate through the other movable support plate, and the two ends of the screw rod are respectively connected with the two movable support plates in a rotating mode;

the rocker turntable is arranged on the outer side of the movable support plate and is connected with the first end of the screw rod;

the first moving frame is arranged between the two movable support plates, is connected with the sliding rod in a sliding manner and is in threaded connection with the screw rod;

the second moving frame is arranged between the two movable support plates, is connected with the sliding support plates in a sliding manner, is connected with the screw rod in a threaded manner, and has a moving direction opposite to that of the first moving frame;

and the clamping plate is arranged at the end part of the first movable frame and/or the end part of the second movable frame.

Further, the method further comprises the following steps:

and the limiting ring is arranged in the middle of the screw rod and is used for preventing the first movable frame from contacting with the second movable frame under the condition that the first movable frame and the second movable frame are relatively close to each other.

Further, one half of the surface of the screw rod is provided with left thread teeth, and the other half of the surface of the screw rod is provided with right thread teeth.

Further, the number of the sliding rods is several, and the sliding rods are symmetrically arranged.

In a second aspect, the present utility model provides a fixation device for cryopreservation of cells, comprising:

a fixed bracket;

the placing bin is arranged on the front end face of the fixed bracket and used for placing the cell freezing box;

the groove is arranged on the front end face of the fixed bracket and is positioned on the upper side or the lower side of the placing bin;

the pulling plate is arranged in the groove in a sliding manner and used for limiting the front side of the cell cryopreservation box;

the stabilizing assembly according to the first aspect, wherein the stabilizing assembly is slidably connected to the placement bin, and is used for limiting the left and right sides of the cell cryopreservation box.

Further, the method further comprises the following steps:

the limiting groove is arranged in the placing bin and is in sliding connection with the movable support plate;

the through groove is arranged on one side of the limit groove and penetrates through the fixing support, and is used for allowing the first end of the screw rod to penetrate through.

Further, the method further comprises the following steps:

the chute is arranged in the placing bin;

the bracket is in sliding connection with the placement bin;

the limiting block is arranged on the lower surface of the bracket and is in sliding connection with the sliding groove;

the clamping groove is formed in the lower surface of the bracket.

Further, the method further comprises the following steps:

the fixing plate is arranged in the groove;

the lower surface of the limiting plate is arranged in the placing bin, and the upper surface of the limiting plate extends to the inside of the placing bin;

the sliding block is arranged on the side part of the limiting plate and is in sliding connection with the groove;

the movable column is arranged on the lower surface of the limiting plate, the bottom end of the movable column penetrates through the lower surface of the fixing plate, and the movable column is in sliding connection with the fixing plate.

Further, the method further comprises the following steps:

the baffle is arranged at the bottom end of the movable column;

the lifting plate is arranged between the limiting plate and the fixed plate and is in sliding connection with the movable column;

and the spring is sleeved with the movable column and is respectively connected with the fixed plate and the lifting plate.

In a third aspect, the present utility model provides a cell cryopreservation system comprising:

the fixture of the second aspect;

cell cryopreservation box, cell cryopreservation box set up in fixing device place the inside in storehouse.

Compared with the prior art, the utility model has the following technical effects:

1. according to the utility model, the placed freezing boxes can be limited and fixed through the matched use of the first movable frame, the second movable frame and the clamping plates which are arranged in the stabilizing components, and each placing bin is independently provided with one stabilizing component, so that each freezing box can be limited and fixed independently during use, the practicability of the fixed bracket is improved, and the freezing boxes can be stabilized in the fixed bracket during moving of the integral fixed bracket through limiting and fixing of the placed freezing boxes, so that the stability of the frozen boxes after being placed is improved.

2. Through the bracket that sets up in the fixing device to and the arm-tie and the limiting plate that set up, through the cooperation use between arm-tie and the limiting plate, can carry out spacing fixedly and remove spacing fixedly to the bracket, when removing spacing fixedly after, the bracket accessible stopper that sets up slides in the spout, and the cooperation freezes the firm subassembly of case and is by movable extension board sliding connection in the spacing inslot, make when taking out the case, only need remove the bracket and remove spacing fixedly after the pulling case of freezing and can shift out and place in the storehouse, so that follow-up operating personnel's look over, current user demand has been satisfied.

Drawings

FIG. 1 is a schematic perspective view of a stability assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a fixing device according to an embodiment of the present utility model;

fig. 3 is a schematic perspective view of a bracket according to an embodiment of the present utility model;

FIG. 4 is a partial cross-sectional elevation view of a recess in a mounting bracket according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a cell cryopreservation system according to an embodiment of the present utility model;

FIG. 6 is a front view of a cell cryopreservation system according to an embodiment of the utility model;

fig. 7 is a schematic perspective view showing a state in which a cryopreservation cassette is taken out in a cell cryopreservation system according to an embodiment of the utility model;

wherein the reference numerals are as follows: 100. a stabilizing assembly; 101. a movable support plate; 102. a slide bar; 103. a screw rod; 104. a rocker turntable; 105. a first moving frame; 106. a second moving frame; 107. a clamping plate; 108. a limiting ring;

200. a fixing device; 201. a fixed bracket; 202. placing a bin; 203. a groove; 204. pulling a plate; 205. a limit groove; 206. a through groove; 207. a chute; 208. a bracket; 209. a limiting block; 210. a clamping groove; 211. a fixing plate; 212. a limiting plate; 213. a slide block; 214. a movable column; 215. a baffle; 216. a lifting plate; 217. a spring;

300. cell cryopreservation boxes.

Detailed Description

The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It is apparent that the drawings in the following description are only some examples or embodiments of the present utility model, and it is possible for those of ordinary skill in the art to apply the present utility model to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the utility model can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "a," "an," "the," and similar referents in the context of the utility model are not to be construed as limiting the quantity, but rather as singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed or may include additional steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in connection with the present utility model are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality"/"a plurality" as used herein means two or more. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., "a and/or B" may mean: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The terms "first," "second," "third," and the like, as used herein, are merely distinguishing between similar objects and not representing a particular ordering of objects.

Example 1

This example relates to a stabilizing assembly for cell cryopreservation according to the present utility model.

As shown in fig. 1, a stabilizing assembly 100 for cell cryopreservation comprises two movable support plates 101, a slide rod 102, a screw rod 103, a rocker turntable 104, a first movable frame 105, a second movable frame 106 and a clamping plate 107. Wherein, the two movable supporting plates 101 are oppositely arranged; two ends of the sliding rod 102 are respectively connected with the two movable support plates 101; the first end of the screw rod 103 penetrates through one movable support plate 101, the second end of the screw rod 103 does not penetrate through the other movable support plate 101, and two ends of the screw rod 103 are respectively connected with the two movable support plates 101 in a rotating mode; the rocker turntable 104 is arranged on the outer side of the movable support plate 101 and is connected with the first end of the screw rod 103; the first movable frame 105 is arranged between the two movable support plates 101, is in sliding connection with the slide rod 102 and is in threaded connection with the screw rod 103; the second moving frame 106 is arranged between the two movable support plates 101, is connected with the sliding motion and is in threaded connection with the screw rod 103, and the moving direction of the second moving frame 106 is opposite to the moving direction of the first moving frame 105; the clamping plate 107 is provided at an end of the first moving frame 105 and/or an end of the second moving frame 106.

The two movable supporting plates 101 are made of metal and are used for supporting the stabilizing component 100.

The two sliding rods 102 are in a metal cylindrical shape, the two sliding rods 102 are symmetrically arranged relative to the movable support plate 101, and are fixedly connected to the movable support 101 in a common welding mode.

Half of the surface of the screw 103 is left-handed thread teeth, the other half is right-handed thread teeth, and the first moving frame 105 is located on the left-handed thread teeth, the second moving frame 106 is located on the right-handed thread teeth, and the first moving frame 105 and the second moving frame 106 are symmetrically disposed with respect to the screw 103.

The rocker turntable 104 is fixedly connected with the screw rod 103 in a common welding mode, and the screw rod 103 can be driven to rotate by twisting the rocker turntable 104.

The first moving frame 105 and the second moving frame 106 are made of metal.

The clamping plate 107 is made of metal, a rubber gasket (not shown in the figure) is arranged on the contact surface of the clamping plate 107 with the freezing box, and the clamping plate 107 is fixedly connected with the end of the first movable frame 105 and/or the end of the second movable frame 106 in a welding mode.

Further, the stabilizing assembly 100 also includes a stop collar 108. The limiting ring 108 is disposed in the middle of the screw 103, and is used for avoiding the first moving frame 105 from contacting with the second moving frame 106 when the first moving frame 105 is relatively close to the second moving frame 106.

The application method of the utility model is as follows:

firstly, an operator twists a rocker turntable 104 to rotate, the rocker turntable 104 drives a screw rod 103 to rotate on a movable support plate 101, a first movable frame 105 and a second movable frame 106 which are arranged in the rocker turntable are connected to a sliding rod 102 in a sliding manner, so that a limiting effect is achieved, and therefore, in the rotating process of the screw rod 103, the first movable frame 105 and the second movable frame 106 cannot rotate along with each other, and finally, corresponding movement can be carried out along the surface of the sliding rod 102;

because the screw thread teeth on the surface of the screw rod 103 are half left-handed screw threads and half right-handed screw threads, the first movable frame 105 is positioned on the left-handed screw threads, the second movable frame 106 is positioned on the right-handed screw threads, and the two movable frames are symmetrically arranged on the surface of the screw rod 103, the first movable frame 105 and the second movable frame 106 can be driven to synchronously operate, and the first movable frame 105 and the second movable frame 106 can be driven to oppositely or reversely move along the surface of the slide rod 102 due to the arrangement of the left-handed screw threads and the right-handed screw threads;

when moving in opposite directions, the clamping plates 107 arranged on the first moving frame 105 and the second moving frame 106 can be respectively driven to approach to gradually approach to the surface of the freezing storage box, and finally, the limiting and fixing operation of the freezing storage box is realized through close fitting;

and when the two clamping plates 107 move oppositely, the two clamping plates can be respectively driven to move away from each other.

The utility model has the advantages that the placed freezing box can be limited and fixed through the cooperation of the first movable frame, the second movable frame and the clamping plates, so that the freezing box can be stably arranged in the fixed bracket when the integral fixed bracket is moved.

Example 2

This example relates to a fixation device for cell cryopreservation according to the utility model.

As shown in fig. 2, 3 and 4, a fixing device 200 for cell cryopreservation includes a fixing bracket 201, a placement chamber 202, a groove 203 and a pulling plate 204. Wherein, the placing bin 202 is arranged on the front end surface of the fixed bracket 201; the groove 203 is arranged on the front end surface of the fixed bracket 201 and is positioned on the upper side or the lower side of the placing bin 202; the pull plate 204 is slidably arranged in the groove 203; the stabilizing component 100 is slidably connected with the placement bin 202 and is used for limiting the left side and the right side of the cell freezing storage box.

The fixing bracket 201 is made of metal.

The placing bins 202 are used for placing cell freezing boxes, the number of the placing bins 202 is four, and the four placing bins 202 are uniformly distributed on the fixed support 201.

Four grooves 203 are provided, and each groove 203 corresponds to one placement bin 202 (refer to fig. 2)

The pull plate 204 is made of metal, and is used for limiting the front side of the cell cryopreservation box.

Further, the fixing device 200 further includes a limiting slot 205, a through slot 206, a sliding slot 207, a bracket 208, a limiting block 209, and a clamping slot 210. The limiting groove 205 is arranged in the placing bin 202 and is in sliding connection with the movable support plate 101; the through groove 206 is arranged at one side of the limit groove 205 and penetrates through the fixed support 201; the chute 207 is arranged inside the placing bin 202; the bracket 208 is slidably connected to the placement chamber 202; the limiting block 209 is arranged on the lower surface of the bracket 208 and is in sliding connection with the sliding groove 207; the clamping groove 210 is arranged on the lower surface of the bracket 208.

The limit groove 205 is matched with the movable supporting plate 101.

The through slot 206 allows the first end of the screw 103 to pass through.

The sliding groove 207 is matched with the limiting block 209, and after limiting and fixing of the bracket 208 are released, the bracket 208 can move along the sliding groove 207 through the limiting block 209. Since the chute 207 is not formed through the placement chamber 202 (see fig. 2), the tray 208 is prevented from sliding into the chute 207 when the tray 208 is moved.

The bracket 208 is made of metal, and a placement groove (not shown in the figure) matched with the cell freezing box is formed on the upper surface, so that the cell freezing box is placed in the placement groove when the cell freezing box is placed.

The limiting block 209 is made of metal and is fixedly connected in a common welding mode.

The clamping groove 210 is matched with the limiting plate 212.

Further, the fixing device 200 further includes a fixing plate 211, a limiting plate 212, a slider 213, and a movable post 214. Wherein the fixing plate 211 is disposed inside the groove 203; the lower surface of the limiting plate 212 is arranged in the placing bin 202, and the upper surface of the limiting plate 212 extends to the inside of the placing bin 202; the sliding block 213 is arranged at the side part of the limiting plate 212 and is in sliding connection with the groove 203; the movable column 214 is disposed on the lower surface of the limiting plate 212, the bottom end of the movable column 214 penetrates through the lower surface of the fixed plate 211, and the movable column 214 is slidably connected with the fixed plate 211.

The fixing plate 211 is fixed in the groove 203 by a common welding method and is made of metal material.

The limiting plate 212 is made of metal, and when the fixing bracket 208 is limited, the limiting plate 212 is clamped in the clamping groove 210, and the limiting plate 212 is fixedly connected with the top of the movable column 214 in a common welding mode.

The sliding block 213 is fixedly connected with the limiting plate 212 in a common welding mode.

The number of the movable columns 214 is two, and the two movable columns 214 are symmetrically arranged on the fixed plate 211 so as to increase the stability of the limiting plate 212 during movement.

The application method of the utility model is as follows:

firstly, an operator needs to pull the pull plate 204 downwards, the pull plate 204 drives the movable column 214 to vertically move downwards along the fixed plate 211 through the lifting plate 216, and finally the movable column 214 can drive the limiting plate 212 to move downwards along the inner side wall of the groove 203 through the sliding block 213;

the limiting plate 212 is driven to gradually leave the clamping groove 210 formed in the bracket 208 and moves downwards into the groove 203, and when the limiting plate 212 completely leaves the clamping groove 210, the bracket 208 is in a limiting and fixing releasing state;

the stabilizing assembly 100 is slidably connected to the fixing support 201 through the movable support plate 101 (see fig. 2) disposed therein in a limiting groove 205 (see fig. 2), i.e. when the operator pulls the cryopreserved box outwards, the whole stabilizing assembly 100 is driven to move along the inner wall of the limiting groove 205 to the outside of the placing bin 202, so that the operator can check the situation conveniently.

The utility model has the advantages that the bracket is gradually moved out of the freezing box, the subsequent operator can conveniently check and observe, when the bracket is moved into the placing bin and is fixed and limited, the operator can push the bracket into the placing bin, and when the bracket is gradually moved into the placing bin, the clamping groove arranged below the bracket can be matched and clamped with the limiting plate, so that the limiting and the fixing of the bracket are completed.

Example 3

This embodiment is a modified embodiment of embodiment 2.

As shown in fig. 4, the fixture 200 further includes a baffle 215, a lifting plate 216, and a spring 217. Wherein, the baffle 215 is arranged at the bottom end of the movable column 214; the lifting plate 216 is disposed between the limiting plate 212 and the fixed plate 211, and is slidably connected with the movable column 214; the spring 217 is sleeved with the movable column 214 and is respectively connected with the fixed plate 211 and the lifting plate 216.

The baffle 215 is fixedly connected with the bottom end of the movable column 214 in a welding manner, so that falling-off phenomenon is avoided when the movable column 214 moves.

The lifting plate 216 is made of metal.

The spring 217 is a compression spring.

The application method of the embodiment is as follows:

the pull plate 204 is pulled downwards, the lifting plate 216 drives the movable post 214 to move downwards, and at this time, the spring 217 disposed on the surface of the movable post 214 is deformed due to extrusion, so that the movable post 214 can be driven to move upwards under the action force exerted by the spring 217, and the limiting plate 212 moves out of the groove 203 (see fig. 4).

The utility model has the advantages that the bracket, the pull plate and the limiting plate are matched for use, the bracket can be limited and fixed and released, after the limiting and fixing are released, the bracket can slide in the sliding groove through the limiting block, and the matched freezing box stabilizing component is connected in the limiting groove through the movable support plate in a sliding way, so that when the freezing box is taken out, the freezing box can be moved out of the placing bin only by pulling the freezing box after the limiting and fixing of the bracket are released.

Example 4

This example relates to a cell cryopreservation system of the utility model.

As shown in fig. 5 and 6, a cell cryopreservation system includes a fixing device 200 and a cell cryopreservation cassette 300 as described in embodiments 2 to 3. Wherein, the cell freezing box 300 is arranged inside the placing bin 202 of the fixing device 200.

The cell freezing box 300 is used for placing a freezing container (freezing tube) filled with cells, and the cells can be preserved by placing the freezing tube into the cell freezing box 300 and then immersing the freezing tube into the cell freezing box 300 (the process method is the prior art).

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (10)

1. A stabilizing assembly for cryopreservation of cells, comprising:

the two movable support plates (101) are oppositely arranged;

the two ends of the sliding rod (102) are respectively connected with the two movable support plates (101);

the first end of the screw rod (103) penetrates through one movable support plate (101), the second end of the screw rod (103) does not penetrate through the other movable support plate (101), and two ends of the screw rod (103) are respectively connected with the two movable support plates (101) in a rotating mode;

the rocker turntable (104) is arranged on the outer side of the movable support plate (101) and is connected with the first end of the screw rod (103);

the first movable frame (105) is arranged between the two movable support plates (101), is in sliding connection with the sliding rod (102) and is in threaded connection with the screw rod (103);

the second moving frame (106) is arranged between the two movable support plates (101), is connected with the sliding rod (102) in a sliding manner, is connected with the screw rod (103) in a threaded manner, and the moving direction of the second moving frame (106) is opposite to the moving direction of the first moving frame (105);

and a clamping plate (107), wherein the clamping plate (107) is arranged at the end part of the first movable frame (105) and/or the end part of the second movable frame (106).

2. The stability assembly of claim 1 further comprising:

and the limiting ring (108) is arranged in the middle of the screw rod (103) and is used for preventing the first movable frame (105) from being contacted with the second movable frame (106) under the condition that the first movable frame (105) is relatively close to the second movable frame (106).

3. The stabilizing assembly according to claim 1, wherein half of the surface of the screw (103) is left-hand thread teeth and the other half of the surface of the screw (103) is right-hand thread teeth.

4. A stabilizing assembly according to any one of claims 1-3, wherein a plurality of said slide bars (102) are provided, said plurality of slide bars (102) being symmetrically arranged.

5. A fixation device for cryopreservation of cells, comprising:

a fixed bracket (201);

the placing bin (202) is arranged on the front end face of the fixed support (201) and used for placing the cell freezing box;

the groove (203) is arranged on the front end face of the fixed support (201) and is positioned on the upper side or the lower side of the placing bin (202);

the pulling plate (204) is arranged on the groove (203) in a sliding manner and used for limiting the front side of the cell freezing box (300);

the stabilizing assembly according to any one of claims 1-4, wherein the stabilizing assembly (100) is slidably connected to the placement bin (202) and is used for limiting the left and right sides of the cell freezing box (300).

6. The fixture of claim 5, further comprising:

the limiting groove (205) is formed in the placing bin (202) and is in sliding connection with the movable support plate (101);

the through groove (206) is formed in one side of the limit groove (205) and penetrates through the fixing support (201) to enable the first end of the screw rod (103) to penetrate through.

7. The fixture of claim 5 or 6, further comprising:

a chute (207), wherein the chute (207) is arranged inside the placement bin (202);

-a carriage (208), said carriage (208) being slidingly connected to said placement cartridge (202);

the limiting block (209) is arranged on the lower surface of the bracket (208) and is in sliding connection with the sliding groove (207);

and a clamping groove (210), wherein the clamping groove (210) is arranged on the lower surface of the bracket (208).

8. The fixture of claim 7, further comprising:

a fixing plate (211), wherein the fixing plate (211) is arranged inside the groove (203);

the lower surface of the limiting plate (212) is arranged in the placing bin (202), and the upper surface of the limiting plate (212) extends to the inside of the placing bin (202);

the sliding block (213) is arranged on the side part of the limiting plate (212) and is in sliding connection with the groove (203);

the movable column (214), the movable column (214) set up in the lower surface of limiting plate (212), the bottom of movable column (214) is run through the lower surface of fixed plate (211), just movable column (214) with fixed plate (211) sliding connection.

9. The fixture of claim 8, further comprising:

the baffle plate (215) is arranged at the bottom end of the movable column (214);

the lifting plate (216) is arranged between the limiting plate (212) and the fixed plate (211) and is in sliding connection with the movable column (214);

the spring (217) is sleeved on the movable column (214) and is respectively connected with the fixed plate (211) and the lifting plate (216).

10. A cell cryopreservation system comprising:

the fixture (200) of any of claims 5-9;

cell cryopreservation box (300), cell cryopreservation box (300) set up in the inside of placing storehouse (202) of fixing device (200).