CN215045104U

CN215045104U - Liquid nitrogen biological container with protective cover capable of conveniently supplementing liquid nitrogen

Info

Publication number: CN215045104U
Application number: CN202121034684.9U
Authority: CN
Inventors: 金树峰; 姚淑婷
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-07
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a take liquid nitrogen biological container that protective cover can conveniently supply liquid nitrogen, including the base, still include the biological container body of liquid nitrogen, seal assembly and damper, seal assembly comprises neck pipe, protective cover stopper, neck cover and activity stopper, the neck pipe is installed at the biological container body top of liquid nitrogen, it has the neck cover to peg graft on the neck pipe, the activity stopper is installed to the neck cover lateral wall, the protective cover stopper is installed at the neck cover top. The utility model discloses a carry out double seal to the biological container body of liquid nitrogen, reduced the evaporation of liquid nitrogen, carry out the shock attenuation through compression spring and attenuator to the vibrations that produce, reduced the vibrations of the biological container body of liquid nitrogen, avoid inside thermal balance to destroy.

Description

Liquid nitrogen biological container with protective cover capable of conveniently supplementing liquid nitrogen

Technical Field

The utility model relates to a biological container technical field, in particular to take protective cover can conveniently supply liquid nitrogen's liquid nitrogen biological container.

Background

At present, the cap and plug structure of the domestic liquid nitrogen container can be divided into two types: one is designed and manufactured according to the GB/T5458-1997 liquid nitrogen biological container standard, which consists of a cover and a plug body, and can be freely taken out from the mouth part of the liquid nitrogen container; one is a single-plug lid plug with a lockable outer cap and base added to the neck of the container, depending on the user's need to safely store the biological sample. When a user uses the liquid nitrogen container with the standard cover plug, the cover plug can be directly taken out, so that liquid nitrogen can be conveniently supplemented to the liquid nitrogen container, the amount of liquid nitrogen in the liquid nitrogen container is maintained, evaporation loss of the liquid nitrogen is compensated, and the purpose of actively storing a biological sample is achieved.

Patent No. CN03277135.5 discloses a liquid nitrogen biological container with protective cover for conveniently supplementing liquid nitrogen, which is used in the fields of animal husbandry, medical treatment and scientific research and takes liquid nitrogen (-196 ℃) as refrigerant for preserving semen, vaccine, bacterial virus and other active biological materials. The utility model discloses a be equipped with the lid stopper of two stopper formula area locks at neck mouth position, it comprises enclosing cover, base, interior cock body and cock body, enclosing cover and base pass through hinge swing joint, and enclosing cover and base pass through the padlock and the lock joint, and the neck mouth department of shell has sealed joint has the guard circle, and the base then the rigid coupling circles on the guard circle, and the cock body is opened the hole that has a perfect understanding from top to bottom, and interior cock body plug is in the hole on the cock body, and the cock body then plugs in the neck pipe, and the outer edge pressure of cock body is on the guard circle, and open at the middle part of enclosing cover has the through-hole, and the outer edge pressure of interior cock body is on enclosing cover middle part through-hole.

The liquid nitrogen biological container with the protective cover and capable of conveniently supplementing liquid nitrogen has the following defects: when the liquid nitrogen evaporation device is used, the protective cover plug is unsealed, so that liquid nitrogen is easy to evaporate; when moving the biological container body of liquid nitrogen, the vibrations of the biological container body of liquid nitrogen make inside liquid nitrogen vibrate, influence inside thermal balance.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a take protective cover can conveniently supply liquid nitrogen biological container of liquid nitrogen, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a take liquid nitrogen biological container that protective cover can conveniently supply liquid nitrogen, includes the base, still includes the biological container body of liquid nitrogen, seal assembly and damper assembly, seal assembly comprises neck pipe, protection cover stopper, neck cover and activity stopper, the neck pipe is installed at the biological container body top of liquid nitrogen, it has the neck cover to peg graft on the neck pipe, the activity stopper is installed to neck cover lateral wall, the protection cover stopper is installed at neck cover top.

Furthermore, the shock absorption assembly consists of a base, a bearing plate, a sliding block, a compression spring and a damper, wherein the top of the base is provided with an installation groove, a liquid nitrogen biological container body is inserted in the installation groove, the damper is installed inside the base, the compression spring is installed at the top of the damper, the bearing plate is installed at the top of the compression spring, and the sliding block is installed on the side wall of the bearing plate; the vibration generated is damped through the compression spring and the damper, so that the vibration of the liquid nitrogen biological container body is reduced, and the internal thermal balance damage is avoided.

Furthermore, a limiting groove is formed in the neck tube, and a movable plug is inserted into the limiting groove; after liquid nitrogen is supplemented, the neck sleeve is inserted into the neck pipe, the movable plug deforms in an extrusion mode, and when the movable plug moves to the limiting groove, the movable plug recovers the original state, and evaporation of the liquid nitrogen from the neck pipe is reduced.

Furthermore, a circular gasket is inserted on the neck bush; the neck sleeve is inserted with a circular gasket, the circular gasket is pressed on the neck tube, and the circular gasket seals the neck tube to reduce the evaporation of liquid nitrogen in the liquid nitrogen biological container body.

Furthermore, a groove is formed in the side wall of the base; the groove is convenient for the forklift to carry the base.

Furthermore, a sliding groove is formed in the inner wall of the base, and a sliding block is vertically connected in the sliding groove in a sliding manner; the liquid nitrogen biological container body produces vibrations extrusion load board, the slider of load board both ends moves perpendicularly downwards in the spout, load board extrusion compression spring, compression spring atress extrusion deformation, compression spring is the helical spring who bears the normal pressure, compression spring generally is that the equal pitch of wire is coiled and has fixed line footpath, utilize a plurality of open coils to external load pressure supply resistance strength, the attenuator is installed to compression spring bottom, the attenuator has consumed compression spring's kinetic energy, drive slider moves perpendicularly upwards in the spout.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses when needs supply liquid nitrogen, pulling protective cover stopper, protective cover stopper drive neck cover, make the neck cover at the intraductal perpendicular rebound of neck, when the perpendicular rebound of neck cover, install the activity stopper extrusion deformation in the neck cover both sides, from the spacing inslot roll-off, take the protective cover stopper back out, to the inside supplementary liquid nitrogen of the liquid nitrogen biological container body, peg graft the neck cover in the neck pipe again after supplementing the liquid nitrogen, activity stopper extrusion deformation, when the activity stopper removes to the spacing groove, activity stopper reconversion, reduce the evaporation of liquid nitrogen from the neck pipe, it has circular packing ring to peg graft on the neck cover, circular packing ring fills up and presses on the neck pipe, circular packing ring seals the neck pipe, reduce the evaporation of the internal liquid nitrogen of liquid nitrogen biological container, through carrying out double seal to the liquid nitrogen biological container body, the evaporation of liquid nitrogen has been reduced.

2. The utility model discloses when the liquid nitrogen biological container body is removed to needs, the vibrations extrusion load board that the liquid nitrogen biological container body produced, the slider at load board both ends moves down perpendicularly in the spout, load board extrusion compression spring, compression spring atress extrusion deformation, compression spring bears the coil spring to pressure, compression spring is generally that the equidistant coil of metal wire is coiled and has fixed line footpath, utilize a plurality of open coils to carry the pressure supply to the external world and resist strength, the attenuator is installed to the compression spring bottom, the attenuator has consumed compression spring's kinetic energy, drive slider moves up perpendicularly in the spout, carry out the shock attenuation through compression spring and attenuator to the vibrations that produce, the vibrations of the liquid nitrogen biological container body have been reduced, avoid inside thermal balance to destroy.

Drawings

FIG. 1 is a front view of a liquid nitrogen biological container with a protective cover for conveniently replenishing liquid nitrogen;

FIG. 2 is an expanded view of the sealing assembly of a liquid nitrogen biological container with a protective cover for conveniently replenishing liquid nitrogen;

fig. 3 is a schematic view of the inside expansion of the base of the liquid nitrogen biological container with the protective cover for conveniently supplementing liquid nitrogen.

In the figure: 1. a base; 2. mounting grooves; 3. a groove; 4. a liquid nitrogen biological container body; 5. a neck tube; 6. a protective cap plug; 7. a neck sleeve; 8. a circular washer; 9. a limiting groove; 10. a movable plug; 11. a chute; 12. a bearing plate; 13. a slider; 14. a compression spring; 15. a damper; 16. a seal assembly; 17. a shock absorbing assembly.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a take liquid nitrogen biological container that protective cover can conveniently supply liquid nitrogen, including base 1, still include the biological container body 4 of liquid nitrogen, seal assembly 16 and damper 17, seal assembly 16 comprises neck 5, protection lid stopper 6, neck cover 7 and activity stopper 10, neck 5 is installed at the biological container body 4 top of liquid nitrogen, it has neck cover 7 to peg graft on the neck 5, activity stopper 10 is installed to 7 lateral walls of neck cover, protection lid stopper 6 is installed at 7 tops of neck cover.

The shock absorption assembly 17 comprises a base 1, a bearing plate 12, a sliding block 13, a compression spring 14 and a damper 15, wherein the top of the base 1 is provided with an installation groove 2, a liquid nitrogen biological container body 4 is inserted in the installation groove 2, the damper 15 is installed in the base 1, the compression spring 14 is installed at the top of the damper 15, the bearing plate 12 is installed at the top of the compression spring 14, and the sliding block 13 is installed on the side wall of the bearing plate 12; the generated vibration is damped by the compression spring 14 and the damper 15, so that the vibration of the liquid nitrogen biological container body 4 is reduced, and the internal thermal balance damage is avoided.

Wherein, a limiting groove 9 is arranged in the neck tube 5, and a movable plug 10 is inserted in the limiting groove 9; after liquid nitrogen is supplemented, the neck sleeve 7 is inserted into the neck pipe 5, the movable plug 10 deforms in an extrusion mode, when the movable plug 10 moves to the limiting groove 9, the movable plug 10 recovers the original state, and evaporation of the liquid nitrogen from the neck pipe 5 is reduced.

Wherein, a round gasket 8 is inserted on the neck sleeve 7; the neck sleeve 7 is inserted with a circular gasket 8, the circular gasket 8 is pressed on the neck pipe 5, the circular gasket 8 seals the neck pipe 5, and evaporation of liquid nitrogen in the liquid nitrogen biological container body 4 is reduced.

Wherein, the side wall of the base 1 is provided with a groove 3; the groove 3 is convenient for a forklift to carry the base 1.

The inner wall of the base 1 is provided with a sliding chute 11, and a sliding block 13 is vertically connected in the sliding chute 11 in a sliding manner; the liquid nitrogen biological container body 4 produces the vibrations extrusion load board 12, the slider 13 at the both ends of load board 12 moves vertically downwards in the spout 11, load board 12 extrudes compression spring 14, compression spring 14 is the extrusion deformation of atress, compression spring 14 is the helical spring who bears the pressure, compression spring 14 generally is that equal pitch of wire is coiled and has fixed line footpath, utilize a plurality of open coils to supply resistance strength to external load pressure, compression spring 14 bottom is installed damper 15, damper 15 has consumed the kinetic energy of compression spring 14, drive slider 13 moves vertically upwards in the spout 11.

It should be noted that, the utility model relates to a liquid nitrogen biological container with protective cover capable of conveniently supplementing liquid nitrogen, when liquid nitrogen needs to be supplemented, the protective cover plug 6 is pulled, the protective cover plug 6 drives the neck collar 7, so that the neck collar 7 moves vertically upwards in the neck tube 5, when the neck collar 7 moves vertically upwards, the movable plugs 10 arranged at both sides of the neck collar 7 deform by extrusion, slide out from the limit groove 9, after the protective cover plug 6 is drawn out, supplement liquid nitrogen to the inside of the liquid nitrogen biological container body 4, after supplementing liquid nitrogen, the neck collar 7 is inserted in the neck tube 5, the movable plugs 10 deform by extrusion, when the movable plugs 10 move to the limit groove 9, the movable plugs 10 restore to original state, reduce evaporation of liquid nitrogen from the neck tube 5, the circular washer 8 is inserted in the neck collar 7, the circular washer 8 presses the neck tube 5 on the cushion container body, the circular washer 8 seals the neck tube 5, reduce evaporation of liquid nitrogen in the liquid nitrogen biological container 4, the evaporation of liquid nitrogen is reduced by double sealing the liquid nitrogen biological container body 4, when the liquid nitrogen biological container body 4 needs to be moved, the bearing plate 12 is extruded by the vibration generated by the liquid nitrogen biological container body 4, the sliding blocks 13 at the two ends of the bearing plate 12 vertically move downwards in the sliding groove 11, the bearing plate 12 extrudes the compression spring 14, the compression spring 14 is extruded and deformed by force, the compression spring 14 is a spiral spring bearing the pressure, the compression spring 14 is generally a metal wire which is coiled at equal pitch and has a fixed linear diameter, the external load pressure is supplied with resisting force by utilizing a plurality of open coils, the damper 15 is arranged at the bottom of the compression spring 14, the damper 15 consumes the motion energy of the compression spring 14, the sliding block 13 is driven to vertically move upwards in the sliding groove 11, the generated vibration is damped by the compression spring 14 and the damper 15, and the vibration of the liquid nitrogen biological container body 4 is reduced, avoiding the internal thermal equilibrium from being destroyed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take liquid nitrogen biological container that protective cover can conveniently supply liquid nitrogen, includes base (1), its characterized in that still includes the biological container body of liquid nitrogen (4), seal assembly (16) and damper assembly (17), seal assembly (16) comprise neck pipe (5), protection lid stopper (6), neck cover (7) and activity stopper (10), install at the biological container body of liquid nitrogen (4) top neck pipe (5), it has neck cover (7) to peg graft on neck pipe (5), activity stopper (10) are installed to neck cover (7) lateral wall, protection lid stopper (6) are installed at neck cover (7) top.

2. The liquid nitrogen biological container with a protective cover for conveniently supplementing liquid nitrogen according to claim 1, wherein: shock-absorbing component (17) comprise base (1), load board (12), slider (13), compression spring (14) and attenuator (15), mounting groove (2) have been seted up at base (1) top, it has liquid nitrogen biological container body (4) to peg graft in mounting groove (2), base (1) internally mounted has attenuator (15), compression spring (14) are installed at attenuator (15) top, load board (12) are installed at compression spring (14) top, slider (13) are installed to load board (12) lateral wall.

3. The liquid nitrogen biological container with a protective cover for conveniently supplementing liquid nitrogen according to claim 1, wherein: a limiting groove (9) is formed in the neck pipe (5), and a movable plug (10) is inserted into the limiting groove (9).

4. The liquid nitrogen biological container with a protective cover for conveniently supplementing liquid nitrogen according to claim 1, wherein: the neck sleeve (7) is inserted with a circular gasket (8).

5. The liquid nitrogen biological container with a protective cover for conveniently supplementing liquid nitrogen according to claim 2, wherein: the side wall of the base (1) is provided with a groove (3).

6. The liquid nitrogen biological container with a protective cover for conveniently supplementing liquid nitrogen according to claim 2, wherein: the inner wall of the base (1) is provided with a sliding groove (11), and a sliding block (13) is vertically and slidably connected in the sliding groove (11).