Multifunctional liquid nitrogen frame

Abstract

The multifunctional liquid nitrogen frame comprises a box body and a fixing mechanism, a first fixing piece is fixedly connected to the rear end of the interior of the box body, an automatic telescopic rod is fixedly connected to the first fixing piece, a containing disc is fixedly connected to the output end of the automatic telescopic rod, and sliding grooves are formed in the two sides of the outer wall of the containing disc; fixing plates are fixedly connected to the two sides of the inner wall of the box body, the sliding grooves are slidably connected with the fixing plates, the automatic telescopic rods are used for driving the containing discs to slide relative to the fixing plates, and a plurality of containing grooves used for containing the liquid nitrogen tanks are formed in the tops of the containing discs; the fixing mechanism comprises fixing rings fixedly connected to the outer wall of the liquid nitrogen tank, the multiple fixing rings are fixedly connected with first fixing rods, and the ends, away from the fixing rings, of the first fixing rods are fixedly connected with grips. According to the liquid nitrogen frame, an operator can conveniently store and take the liquid nitrogen container, meanwhile, the liquid nitrogen container can be tightly fixed to the containing disc, the liquid nitrogen container can be effectively fixed, and it is ensured that the liquid nitrogen container cannot move or topple over in the using process.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid nitrogen frame technical field especially relates to multifunctional liquid nitrogen frame. BACKGROUND

[0002] Liquid nitrogen is a colorless, odorless and odorless liquid, due to the extremely low boiling point, liquid nitrogen will rapidly vaporize at normal temperature and pressure, produce a large amount of white smoke shaped nitrogen, this is because the ambient heat makes liquid nitrogen rapid heat absorption evaporation, liquid nitrogen is smaller than the density of water, it has good fluidity, can flow and pour operation in the container as ordinary liquid, at normal temperature and pressure, liquid nitrogen basically does not react with other substances, but under some specific conditions, nitrogen may participate in some chemical reactions.

[0003] The application field of liquid nitrogen is wide, nitrogen is widely used for low temperature preservation of biological samples, many cells and tissues can survive for a long time in the low temperature environment of liquid nitrogen, liquid nitrogen can be used for preserving agricultural biological samples, by putting seeds into liquid nitrogen, the survival time of seeds can be prolonged, providing strong support for agricultural breeding and genetic research, the seeds of some rare and endangered plants are often preserved by liquid nitrogen in order to reproduce under suitable conditions in the future, liquid nitrogen can be used in industry for the treatment of metal materials, liquid nitrogen cooling can change the physical properties of some metals, liquid nitrogen can also be used for food quick freezing, by putting food into liquid nitrogen, liquid nitrogen rapidly absorbs heat and vaporizes, so that the food is frozen in a very short time.

[0004] Liquid nitrogen tank is a device specially used for storing and managing various samples or objects in liquid nitrogen environment, which can collect and summarize different samples according to their source, type and collection time. Liquid nitrogen tank is usually placed in liquid nitrogen frame, and a plurality of liquid nitrogen tanks are stored in the liquid nitrogen frame. However, when the sample needs to be accessed from the liquid nitrogen tank placed in the liquid nitrogen frame, the operator needs to first open the lock and lift the heavy cover to open the liquid nitrogen frame, and then take out the liquid nitrogen tank from the liquid nitrogen frame, which is complicated and inconvenient to access, especially in the case of frequent access to samples, which will greatly increase the time spent on operation. In addition, the existing liquid nitrogen frame often cannot fix the liquid nitrogen tank firmly, cannot realize effective fixation of the liquid nitrogen tank, and is easy to cause the liquid nitrogen tank to move or dump during use, damaging the samples stored therein. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a multifunctional liquid nitrogen frame, the liquid nitrogen frame does not need operating personnel to carry out the tedious unlocking and uncovering action manually, greatly saves the operation time under the condition that liquid nitrogen tank needs to be frequently accessed, improves the overall efficiency of liquid nitrogen tank access, and simultaneously, the liquid nitrogen frame can tightly fix the liquid nitrogen tank on the placing disc, can realize effective fixation of the liquid nitrogen tank, and ensures that the liquid nitrogen tank does not move or dump in the use process.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model discloses a multifunctional liquid nitrogen frame, which comprises a box body and a fixing mechanism, the rear end of the box body is internally fixedly connected with a first fixing piece, the first fixing piece is fixedly connected with an automatic telescopic rod, the output end of the automatic telescopic rod is fixedly connected with a placing disc, sliding grooves are formed in the outer walls of the placing disc, the inner walls of the box body are fixedly connected with fixing plates, the sliding grooves are slidably connected with the fixing plates, the automatic telescopic rod is used for driving the placing disc to slide relative to the fixing plates, and a plurality of placing grooves for placing liquid nitrogen tanks are formed in the top of the placing disc.

[0008] In one embodiment of the utility model, the inside of the handle is a hollow structure, a first rotating rod is rotatably connected to the inner wall of the handle, a button is fixedly connected to one side of the first rotating rod facing the liquid nitrogen tank, the button is slidably connected to the side wall of the handle, and the button extends out of the side wall of the handle and faces the liquid nitrogen tank.

[0009] In one embodiment of the utility model, a first fixed column is fixedly connected to the middle part of the first rotating rod, and the front and rear ends of the first fixed column are rotatably connected to the front and rear inner walls of the handle.

[0010] In one embodiment of the utility model, a limiting disc is arranged on the outer periphery of the bottom of the handle, the limiting disc is attached to the upper end face of the placing disc, and the bottom of the first rotating rod extends into the inside of the placing disc through the limiting disc.

[0011] In one embodiment of the utility model, a first telescopic rod is fixedly connected to the side of the bottom of the first rotating rod close to the liquid nitrogen tank, a buckle is fixedly connected to the side of the bottom of the first rotating rod away from the liquid nitrogen tank, a plurality of insertion grooves are further formed in the top of the placing disc, the plurality of insertion grooves are respectively located on one side of the plurality of placing grooves, the bottom of the first rotating rod is inserted into the insertion grooves, and a clamping groove matched with the buckle is arranged in the insertion groove.

[0012] In an embodiment of the utility model, still include support, support inside fixedly connected with a plurality of support disc, a plurality of box body is placed on a plurality of support disc.

[0013] In an embodiment of the utility model, the front side fixedly connected with switch controller of box, switch controller with automatic telescopic rod electric connection.

[0014] In an embodiment of the utility model, the bottom four corners of support are all fixedly connected with second fixed part, the inside fixedly connected with second fixed column of second fixed part, the outer wall middle part of second fixed column is rotatably connected with gyro wheel.

[0015] In an embodiment of the utility model, the top and the bottom four corners of support are all fixedly connected with protection corner sleeve.

[0016] In an embodiment of the utility model, the both sides of support are all fixedly connected with handle.

[0017] The utility model has the advantages of:

[0018] The multifunctional liquid nitrogen frame provided by the utility model can realize automatic opening of the placing disc when liquid nitrogen tanks with samples are accessed from the box, and the liquid nitrogen tanks on the placing disc are automatically extended out of the box, so that the operator does not need to manually perform the tedious unlocking and uncovering actions, the operation time is greatly saved, and the overall efficiency of accessing the liquid nitrogen tank is improved.

[0019] When the liquid nitrogen tank needs to be fixed and placed, the handle is first gripped, and then the button is pressed, so that the first rotating rod is deflected clockwise, the liquid nitrogen tank is placed into the placing groove through the handle, the first rotating rod in the handle is inserted into the insertion groove, and the limit disc at the bottom of the handle is attached to the upper end surface of the placing disc, so that the bottom of the liquid nitrogen tank is placed on the placing groove. During the placing process, the first rotating rod is deflected clockwise, the first telescopic rod on one side of the first rotating rod is in abutment with the inner wall of the insertion groove, and the first telescopic rod is retracted to the first rotating rod. When the limit disc is completely attached to the surface of the placing disc, the button is released, the first rotating rod is pushed under the elastic action of the first telescopic rod, the first rotating rod is deflected counterclockwise back to normal, the buckle at the bottom of the other side of the first rotating rod is clamped in the clamping groove in the insertion groove, and the handle and the liquid nitrogen tank are tightly fixed on the placing disc. When taking, the same action is repeated. The design of the fixing structure facilitates the operator to access the liquid nitrogen tank, tightly fixes the liquid nitrogen tank on the placing disc, effectively fixes the liquid nitrogen tank, and ensures that the liquid nitrogen tank does not move or pour during use. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A perspective view of the multifunctional liquid nitrogen rack according to the present application;

[0021] Figure 2 A structure display view of the box body of the multifunctional liquid nitrogen rack according to the present application;

[0022] Figure 3 A structure display view of the box body of the multifunctional liquid nitrogen rack according to the present application;

[0023] Figure 4 A structure display view of the box body of the multifunctional liquid nitrogen rack according to the present application;

[0024] Figure 5 A structure display view of the box body of the multifunctional liquid nitrogen rack according to the present application;

[0025] Legend:

[0026] 1, box body; 2, fixing mechanism; 201, liquid nitrogen tank; 202, fixing ring; 203, first fixing rod; 204, handle; 205, button; 206, first rotating rod; 207, first fixing column; 208, buckle; 209, first telescopic rod; 210, clamping groove; 211, limiting disc; 3, first fixing piece; 4, automatic telescopic rod; 5, placing disc; 6, sliding groove; 7, fixing plate; 8, placing groove; 81, insertion groove; 9, switch controller; 10, support; 11, second fixing piece; 12, second fixing column; 13, roller; 14, protection corner sleeve; 15, supporting disc; 16, handle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the utility model, unless another explicit provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature "under", "below" and "under surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0030] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 , the utility model provides a multifunctional liquid nitrogen frame, including box 1 in some embodiments, the inside rear end of box 1 is fixedly connected with first fixed part 3, first fixed part 3 is fixedly connected with automatic telescopic rod 4, the output of automatic telescopic rod 4 is fixedly connected with placing tray 5, and the outer wall both sides of placing tray 5 are equipped with sliding slot 6, and the inner wall both sides of box 1 are fixedly connected with fixed plate 7, and sliding slot 6 is slidably connected with fixed plate 7, and automatic telescopic rod 4 is used to drive placing tray 5 to slide relative to fixed plate 7, a plurality of placing grooves 8 are formed in the top of placing tray 5, and the placing groove 8 is used to place liquid nitrogen tank 201, and a plurality of liquid nitrogen tanks 201 can be placed in a plurality of placing grooves 8.

[0031] In some embodiments, it further includes fixing mechanism 2 for fixing liquid nitrogen tank 201, and fixing mechanism 2 includes fixing ring 202 fixedly connected to the outer wall of liquid nitrogen tank 201, a plurality of fixing rings 202 are fixedly connected with first fixed rod 203, one end of first fixed rod 203 away from fixing ring 202 is fixedly connected with handle 204, the inside of handle 204 is hollow structure, first rotating rod 206 is rotatably connected to the inner wall of handle 204, button 205 is fixedly connected to the side of first rotating rod 206 towards liquid nitrogen tank 201, button 205 is slidably connected with the side wall of handle 204, and button 205 can extend the side wall of handle 204 and towards liquid nitrogen tank 201.

[0032] In the embodiment, fixing mechanism 2 is used to effectively fix liquid nitrogen tank 201, ensures that liquid nitrogen tank 201 does not move or dump during use, fixing ring 202 plays the role of reinforcement and support, first fixed rod 203 plays the role of connection between fixing ring 202 and handle 204, ensures the stability of handle 204.

[0033] Further, the middle part of the first rotating rod 206 is fixedly connected with a first fixed column 207, the front and rear ends of the first fixed column 207 are rotatably connected with the inner walls of the front and rear sides of the handle 204; the outer periphery of the bottom of the handle 204 is provided with a limiting disc 211 which is attached to the upper end surface of the placing disc 5, and the bottom of the first rotating rod 206 extends into the interior of the placing disc 5 through the limiting disc 211.

[0034] In the embodiment, the front and rear ends of the first fixed column 207 are rotatably connected with the inner walls of the front and rear sides of the handle 204, so that the first rotating rod 206 is rotatably connected with the inner walls of the front and rear sides of the handle 204, and further, the first rotating rod 206 can rotate by a certain angle in the handle 204.

[0035] Further, the bottom of the first rotating rod 206 is fixedly connected with a first telescopic rod 209 on the side close to the liquid nitrogen tank 201, and is fixedly connected with a buckle 208 on the side away from the liquid nitrogen tank 201, and the top of the placing disc 5 is also provided with a plurality of insertion grooves 81 which are located on one side of the plurality of placing grooves 8, the bottom of the first rotating rod 206 is inserted into the insertion groove 81, and the insertion groove 81 is provided with a clamping groove 210 matched with the buckle 208.

[0036] Next, the operation of the fixing structure 2 will be described below. Figure 5 For example, when it is needed to fix and place the liquid nitrogen tank 201, first, the handle 204 is gripped tightly, then the button 205 is pressed, so that the first rotating rod 206 is deflected clockwise, the liquid nitrogen tank 201 is placed into the placing groove 8 through the handle 204, the first rotating rod 206 in the handle 204 is inserted into the insertion groove 81 until the limiting disc 211 at the bottom of the handle 204 is attached to the upper end surface of the placing disc 5, at this time, the bottom of the liquid nitrogen tank 201 is placed on the placing groove 8. During the placing process, since the first rotating rod 206 is deflected clockwise, the first telescopic rod 209 on one side of the first rotating rod 206 abuts against the inner wall of the insertion groove 81, so that the first telescopic rod 209 is retracted towards the first rotating rod 206. When the limiting disc 211 is completely attached to the surface of the placing disc 5, the button 205 is released, under the elastic action of the first telescopic rod 209, the first rotating rod 206 is pushed, so that the first rotating rod 206 is deflected counterclockwise back to normal, at this time, the buckle 208 on the other side of the bottom of the first rotating rod 206 is clamped in the clamping groove 210 in the insertion groove 81, so that the handle 204 and the liquid nitrogen tank 201 are tightly fixed on the placing disc 5. When taking, the same action is repeated. The design of the fixing structure 2 can facilitate the operator to store and take the liquid nitrogen tank 201, can tightly fix the liquid nitrogen tank 201 on the placing disc 5, can effectively fix the liquid nitrogen tank 201, and can ensure that the liquid nitrogen tank 201 will not move or pour during use.

[0037] In some embodiments, further comprising a support 10, a plurality of support plates 15 are fixedly connected in the support 10, a plurality of boxes 1 are placed on the plurality of support plates 15, handles 16 are fixedly connected to the two sides of the support 10 to facilitate user operation, a switch controller 9 is fixedly connected to the front side of the box 1, and the switch controller 9 is electrically connected with the automatic telescopic rod 4 to ensure signal transmission and control.

[0038] In some embodiments, second fixing members 11 are fixedly connected to the four corners of the bottom of the support 10, second fixing columns 12 are fixedly connected in the second fixing members 11, and rollers 13 are rotatably connected to the outer wall of the middle part of the second fixing columns 12 to facilitate movement of the entire support 10, and protective corner sleeves 14 are fixedly connected to the top and the four corners of the bottom of the support 10, and the protective corner sleeves 14 are used to protect the support 10 from damage during use.

[0039] Working principle: when it is necessary to access the liquid nitrogen tank 201 storing the sample from the box 1, the automatic telescopic rod 4 is first started, the placing plate 5 is pushed to slide under the telescopic action of the automatic telescopic rod 4, the automatic opening of the placing plate 5 is realized, the liquid nitrogen tank 201 on the placing plate 5 is automatically extended out of the box 1, and manual operation of complicated unlocking and cover lifting is not required, in the case of frequent access to the liquid nitrogen tank 201, the operation time is greatly saved, and the overall efficiency of the liquid nitrogen tank 201 access is improved.

[0040] When it is necessary to fix and place the liquid nitrogen tank 201, the handle 204 is first gripped, then the button 205 is pressed, the first rotating rod 206 is deflected clockwise, the liquid nitrogen tank 201 is placed into the placing groove 8 through the handle 204, the first rotating rod 206 in the handle 204 is inserted into the insertion groove 81, and the limit plate 211 at the bottom of the handle 204 is attached to the upper end surface of the placing plate 5 until the bottom of the liquid nitrogen tank 201 is placed on the placing groove 8. During the placing process, the first rotating rod 206 is deflected clockwise, the first telescopic rod 209 on one side of the first rotating rod 206 abuts against the inner wall of the insertion groove 81, and the first telescopic rod 209 is retracted to the first rotating rod 206. When the limit plate 211 is completely attached to the surface of the placing plate 5, the button 205 is released, the first telescopic rod 209 is pushed to drive the first rotating rod 206 under the elastic action of the first telescopic rod 209, the first rotating rod 206 is deflected counterclockwise to return to normal, the buckle 208 on the other side of the bottom of the first rotating rod 206 is clamped in the clamping groove 210 in the insertion groove 81, and thus the handle 204 and the liquid nitrogen tank 201 are tightly fixed on the placing plate 5. When taking, the same action is repeated. The design of the fixing structure 2 facilitates the operation personnel to access the liquid nitrogen tank 201, tightly fixes the liquid nitrogen tank 201 on the placing plate 5, effectively fixes the liquid nitrogen tank 201, and ensures that the liquid nitrogen tank 201 does not move or tip over during use.

[0041] Any combination of the technical features in the above embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as falling within the scope of the present disclosure.

[0042] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it shall not be understood as a limitation on the scope of the present application. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present application, and these modifications and improvements shall fall within the protection scope of the present application.

[0043] The principles and implementation manners of the present application are described by using specific embodiments in the present disclosure, and the above embodiment description is only used to help understand the method and core idea of the present application. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the principles of the present application, and these modifications and improvements also fall within the protection scope of the present application claims. Therefore, the protection scope of the present application patent shall be subject to the appended claims.

Claims

1. Multifunctional liquid nitrogen rack, characterized by: The invention comprises a box body (1) and a fixing mechanism (2), wherein the inner rear end of the box body (1) is fixedly connected to a first fixing member (3), the first fixing member (3) is fixedly connected to an automatic telescopic rod (4), the output end of the automatic telescopic rod (4) is fixedly connected to a placement plate (5), both sides of the outer wall of the placement plate (5) are provided with sliding grooves (6), both sides of the inner wall of the box body (1) are fixedly connected to a fixing plate (7), the sliding grooves (6) are slidably connected to the fixing plate (7), and the automatic telescopic rod (4) is fixedly connected to the output end of the automatic telescopic rod (4), and the output end of the automatic telescopic rod (4) is fixedly connected to a placement plate (5), and both sides of the outer wall of the placement plate (5) are provided with sliding grooves (6), and both sides of the inner wall of the box body (1) are fixedly connected to the fixing plate (7). The rod (4) is used to drive the placement plate (5) to slide relative to the fixing plate (7); the top of the placement plate (5) is provided with a plurality of placement grooves (8) for placing the liquid nitrogen tank (201); the fixing mechanism (2) includes a fixing ring (202) fixedly connected to the outer wall of the liquid nitrogen tank (201); the plurality of fixing rings (202) are all fixedly connected to a first fixing rod (203); and the first fixing rod (203) is fixedly connected to a handle (204) at one end away from the fixing ring (202).

2. The multifunctional liquid nitrogen stand according to claim 1, characterized in that: The interior of the handle (204) is a hollow structure, and the inner wall of the handle (204) is rotatably connected to a first rotating rod (206), and the first rotating rod (206) is fixedly connected to a button (205) on a side facing the liquid nitrogen tank (201), and the button (205) is slidably connected to the side wall of the handle (204), and the button (205) extends out of the side wall of the handle (204) and faces the liquid nitrogen tank (201).

3. The multifunctional liquid nitrogen stand according to claim 2, characterized in that: A first fixed column (207) is fixedly connected to the middle position of the first rotating rod (206), and the front and rear ends of the first fixed column (207) are rotatably connected to the front and rear inner walls of the handle (204).

4. The multifunctional liquid nitrogen stand according to claim 3, characterized in that: A limiting plate (211) is provided on the outer periphery of the bottom of the handle (204), and the limiting plate (211) is in contact with the upper end surface of the placement plate (5). The bottom of the first rotating rod (206) passes through the limiting plate (211) and extends into the interior of the placement plate (5).

5. The multifunctional liquid nitrogen stand according to claim 4, characterized in that: The bottom of the first rotating rod (206) is fixedly connected to a first telescopic rod (209) on a side close to the liquid nitrogen tank (201), and the bottom of the first rotating rod (206) is fixedly connected to a buckle (208) on a side away from the liquid nitrogen tank (201). The top of the placement plate (5) is also provided with a plurality of insertion grooves (81), and the plurality of insertion grooves (81) are respectively located on one side of the plurality of placement grooves (8). The bottom of the first rotating rod (206) is inserted into the insertion groove (81), and a clamping groove (210) is provided in the insertion groove (81) to match the buckle (208).

6. The multifunctional liquid nitrogen stand according to any one of claims 1 to 5, characterized in that: It also includes a bracket (10), wherein a plurality of support plates (15) are fixedly connected to the bracket (10), and a plurality of the boxes (1) are placed on the plurality of support plates (15).

7. The multifunctional liquid nitrogen stand according to claim 1, characterized in that: A switch controller (9) is fixedly connected to the front side of the box (1), and the switch controller (9) is electrically connected to the automatic telescopic rod (4).

8. The multifunctional liquid nitrogen stand according to claim 6, characterized in that: The four corners at the bottom of the bracket (10) are all fixedly connected to a second fixing member (11), the interior of the second fixing member (11) is fixedly connected to a second fixing column (12), and the middle of the outer wall of the second fixing column (12) is rotatably connected to a roller (13).

9. The multifunctional liquid nitrogen stand according to claim 6, characterized in that: The four corners of the top and bottom of the bracket (10) are all fixedly connected with protective corner sleeves (14).

10. The multifunctional liquid nitrogen stand according to claim 6, characterized in that: Handles (16) are fixedly connected to both sides of the bracket (10).

Images