CN213385619U

CN213385619U - Prevent liquid nitrogen container of leakage

Info

Publication number: CN213385619U
Application number: CN202022230645.8U
Authority: CN
Inventors: 林吉柏; 王欣童; 刘艺林
Original assignee: Suzhou Jingzida Testing Service Co Ltd
Current assignee: Suzhou Jingzida Testing Service Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-08
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a prevent liquid nitrogen container of leakage, comprising a main body, the inside of main part is provided with the inner bag, the up end of inner bag is provided with the neck pipe, the avris fixed mounting of main part has the handle, the up end fixed mounting of main part has the collar, the inside lower terminal surface of collar is provided with draw-in groove one, the outside movable mounting of draw-in groove one has the peg, the lower terminal surface fixed mounting of peg has a carry section of thick bamboo. This prevent liquid nitrogen container of leakage, the main part upper end is provided with the collar, the neck pipe extends to in the collar, the up end of neck stopper is provided with the stopper, the peg passes through draw-in groove one and fixes the bottom at the stopper, prevent that nitrogen gas from leaking out from the gap, be provided with sealed lid, be provided with sealing washer one and sealing washer two between sealed lid and the collar, the gas tightness of sealed lid has been improved, the lower terminal surface of sealed lid is provided with the outer sleeve, exert decurrent pressure to the stopper through the spring, prevent stopper rebound, the ability of preventing leaking of liquid nitrogen container has been improved greatly.

Description

Prevent liquid nitrogen container of leakage

Technical Field

The utility model relates to a liquid nitrogen container technical field specifically is a prevent liquid nitrogen container of leakage.

Background

The liquid nitrogen container can be generally divided into a liquid nitrogen storage container and a liquid nitrogen transportation container, the liquid nitrogen transportation container is generally used for storing objects needing low-temperature storage, a lifting cylinder for storing samples is arranged inside the liquid nitrogen container, and the lifting cylinder is taken through a hanging rod at the upper end.

At present, the hanging rod inside most of the liquid nitrogen tanks extends to the outside, so that the air tightness is reduced, and when the nitrogen tank jolts, nitrogen gas is likely to leak out through gaps, so that the consumption speed of the nitrogen gas is accelerated, and the transportation cost cannot be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent liquid nitrogen container of leakage to propose the inside peg of most liquid nitrogen container in solving above-mentioned background art and all extend to the outside, lead to the gas tightness to reduce, when the nitrogen gas jar takes place to jolt, nitrogen gas is probably to leaking out through the gap, has accelerated the consumption speed of nitrogen gas, and the cost of transportation can not obtain the problem that reduces.

In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof liquid nitrogen tank comprises a main body, wherein an inner container is arranged inside the main body, a neck pipe is arranged on the upper end face of the inner container, a handle is fixedly arranged on the lateral side of the main body, a mounting ring is fixedly arranged on the upper end face of the main body, a first clamping groove is arranged on the lower end face inside the mounting ring, a hanging rod is movably arranged on the outer side of the first clamping groove, a lifting cylinder is fixedly arranged on the lower end face of the hanging rod, a neck plug is sleeved on the inner side of the neck pipe, a limiting block is fixedly arranged on the upper end face of the neck plug, a second clamping groove is formed in the lateral side of the neck plug, a mounting groove is formed in the inner side of the mounting ring, a sealing cover is installed on the inner side of the mounting groove in a threaded manner, a first sealing ring is fixedly arranged on the upper end face of, the outer sleeve is sleeved on the outer side of the inner sleeve, a first fixture block is fixedly mounted on the outer side of the opening of the inner sleeve, a second fixture block is fixedly mounted on the inner side of the opening of the outer sleeve, and a spring is arranged inside the inner sleeve.

Preferably, the inner diameter of the neck pipe is smaller than that of the mounting ring, the neck pipe extends to the inner part of the mounting ring, and two handles are symmetrically mounted.

Preferably, six clamping grooves are annularly distributed on the first clamping groove, and the hanging rod and the lifting cylinder correspond to the first clamping grooves one to one.

Preferably, the outside of neck stopper closely laminates with the inboard of neck pipe, the inboard of draw-in groove two laminates with the outside of peg, draw-in groove two and peg one-to-one, the diameter of stopper is greater than the diameter of neck pipe.

Preferably, the diameter of the mounting groove is larger than the inner diameter of the mounting ring, and the lower end face of the first sealing ring is attached to the upper end face of the second sealing ring.

Preferably, the outer diameter of the first clamping block is larger than the inner diameter of the second clamping block, and the circle centers of the sealing cover, the inner sleeve and the outer sleeve are located on the same vertical line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the leakage-proof liquid nitrogen tank, the mounting ring is arranged at the upper end of the main body, the neck pipe extends into the mounting ring, the limiting block is arranged on the upper end face of the neck plug, and the hanging rod is fixed at the bottom of the limiting block through the first clamping groove to prevent nitrogen from leaking out of a gap;

2. this prevent liquid nitrogen container of leakage is provided with sealed lid, is provided with sealing washer one and sealing washer two between sealed lid and the collar, has improved the gas tightness of sealed lid, and the lower terminal surface of sealed lid is provided with the outer sleeve, exerts decurrent pressure to the stopper through the spring, prevents stopper rebound, has improved liquid nitrogen container's prevent leaking ability greatly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the inner structure of the mounting ring and the sealing cover of the present invention;

fig. 4 is a schematic view of the top view structure of the mounting ring of the present invention.

In the figure: 1. a main body; 2. an inner container; 3. a neck tube; 4. a handle; 5. a mounting ring; 6. a first clamping groove; 7. a hanging rod; 8. lifting the cylinder; 9. a neck plug; 10. a limiting block; 11. a second clamping groove; 12. mounting grooves; 13. a sealing cover; 14. a first sealing ring; 15. a second sealing ring; 16. an inner sleeve; 17. an outer sleeve; 18. a first clamping block; 19. a second clamping block; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a leakage-proof liquid nitrogen tank comprises a main body 1, an inner container 2, a neck tube 3, a handle 4, a mounting ring 5, a clamping groove I6, a hanging rod 7, a lifting cylinder 8, a neck plug 9, a limiting block 10, a clamping groove II 11, a mounting groove 12, a sealing cover 13, a sealing ring I14, a sealing ring II 15, an inner sleeve 16, an outer sleeve 17, a clamping block I18, a clamping block II 19 and a spring 20, wherein the inner container 2 is arranged inside the main body 1, the neck tube 3 is arranged on the upper end face of the inner container 2, the handle 4 is fixedly arranged on the lateral side of the main body 1, the mounting ring 5 is fixedly arranged on the upper end face of the main body 1, the clamping groove I6 is arranged on the lower end face inside the mounting ring 5, the hanging rod 7 is movably arranged on the outer side of the clamping groove I6, the lifting cylinder 8 is fixedly arranged on the lower end face of the hanging rod 7, the neck plug 9 is sleeved on the inner, the inner side of the mounting ring 5 is provided with a mounting groove 12, the inner side of the mounting groove 12 is provided with a sealing cover 13 in a threaded manner, the upper end surface of the sealing cover 13 is fixedly provided with a first sealing ring 14, the inner side of the mounting ring 5 is fixedly provided with a second sealing ring 15, the lower end surface of the sealing cover 13 is fixedly provided with an inner sleeve 16, the outer side of the inner sleeve 16 is sleeved with an outer sleeve 17, the outer side of an opening of the inner sleeve 16 is fixedly provided with a first clamping block 18, the inner side of the opening of the outer sleeve 17 is.

Further, the internal diameter of neck 3 is less than the internal diameter of collar 5, and neck 3 extends to the inside of collar 5, and two are installed to handle 4 symmetry, and handle 4 is convenient for transport main part 1.

Furthermore, the annular distribution of draw-in groove 6 has six, peg 7, carry a section of thick bamboo 8 and draw-in groove 6 one-to-one, and draw-in groove 6 is fixed the upper end of peg 7, prevents that peg 7 from rocking.

Further, the outside of neck stopper 9 closely laminates with the inboard of neck pipe 3, and the inboard of draw-in groove two 11 is laminated with the outside of peg 7, and draw-in groove two 11 and peg 7 one-to-one, the diameter of stopper 10 is greater than the diameter of neck pipe 3, and neck stopper 9 is fixed the lower extreme of peg 7 through draw-in groove two 11, prevents that peg 7 from droing to play sealed effect to neck pipe 3, stopper 10 prevents that neck stopper 9 from droing, and prevents that nitrogen gas from leaking out through draw-in groove one 6.

Further, the diameter of the mounting groove 12 is larger than the inner diameter of the mounting ring 5, the lower end face of the first sealing ring 14 is attached to the upper end face of the second sealing ring 15, the mounting groove 12 fixes the sealing cover 13, and the first sealing ring 14 and the second sealing ring 15 improve the air tightness of the sealing cover 13 and prevent nitrogen leakage.

Furthermore, the outer diameter of the first clamping block 18 is larger than the inner diameter of the second clamping block 19, the circle centers of the sealing cover 13, the inner sleeve 16 and the outer sleeve 17 are located on the same vertical line, the first clamping block 18 and the second clamping block 19 prevent the outer sleeve 17 from falling off, and the outer sleeve 17 exerts downward pressure on the limiting block 10 through the spring 20 to prevent the limiting block 10 from moving upwards.

The working principle is as follows: firstly, the sealing cover 13 is opened, the neck plug 9 is removed, the lifting barrel 8 is taken out through the hanging rod 7, a sample is placed in the lifting barrel 8, the lifting barrel 8 is placed in the inner container 2, nitrogen is filled in the inner container 2, the upper end of the hanging rod 7 is fixed through the first clamping groove 6 to prevent shaking, the neck plug 9 is covered, the second clamping groove 11 on the side fixes the lower end of the hanging rod 7 to prevent falling off and seal the neck pipe 3, the limiting block 10 prevents the neck plug 9 from falling off and prevents the nitrogen from leaking out through the first clamping groove 6, the sealing cover 13 is closed, the first sealing ring 14 is in contact with the second sealing ring 15 to improve the air tightness of the sealing cover 13, the outer sleeve 17 exerts downward pressure on the limiting block 10 through the spring 20 to prevent the limiting block 10 from moving upwards, and the leakage prevention capability of the liquid nitrogen tank is greatly improved.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A liquid nitrogen container against leakage, comprising a main body (1), characterized in that: the inner container is arranged inside the main body (1), the upper end face of the inner container (2) is provided with a neck tube (3), the lateral side of the main body (1) is fixedly provided with a handle (4), the upper end face of the main body (1) is fixedly provided with a mounting ring (5), the lower end face of the inner part of the mounting ring (5) is provided with a first clamping groove (6), the outer side of the first clamping groove (6) is movably provided with a hanging rod (7), the lower end face of the hanging rod (7) is fixedly provided with a lifting cylinder (8), the inner side of the neck tube (3) is sleeved with a neck plug (9), the upper end face of the neck plug (9) is fixedly provided with a limiting block (10), the lateral side of the neck plug (9) is provided with a second clamping groove (11), the inner side of the mounting ring (5) is provided with a mounting groove (12), and the inner side of the mounting, the utility model discloses a sealing device, including mounting ring (5), sealing cover (13), the up end fixed mounting of sealing cover (13) has sealing washer one (14), the inboard fixed mounting of collar (5) has sealing washer two (15), the lower terminal surface fixed mounting of sealing cover (13) has inner skleeve (16), the outside of inner skleeve (16) is cup jointed and is installed outer sleeve (17), the outside fixed mounting of inner skleeve (16) opening part has fixture block one (18), the inboard fixed mounting of outer skleeve (17) opening part has fixture block two (19), the inside of inner skleeve (16) is provided with spring (.

2. A leak resistant liquid nitrogen tank as set forth in claim 1 wherein: the internal diameter of neck (3) is less than the internal diameter of collar (5), the inside of collar (3) extension to collar (5), two are installed to handle (4) symmetry.

3. A leak resistant liquid nitrogen tank as set forth in claim 1 wherein: six clamping grooves I (6) are annularly distributed, and the hanging rod (7) and the lifting cylinder (8) are in one-to-one correspondence with the clamping grooves I (6).

4. A leak resistant liquid nitrogen tank as set forth in claim 1 wherein: the outside of neck stopper (9) closely laminates with the inboard of neck pipe (3), the inboard of draw-in groove two (11) is laminated with the outside of peg (7), draw-in groove two (11) and peg (7) one-to-one, the diameter of stopper (10) is greater than the diameter of neck pipe (3).

5. A leak resistant liquid nitrogen tank as set forth in claim 1 wherein: the diameter of the mounting groove (12) is larger than the inner diameter of the mounting ring (5), and the lower end face of the first sealing ring (14) is attached to the upper end face of the second sealing ring (15).

6. A leak resistant liquid nitrogen tank as set forth in claim 1 wherein: the outer diameter of the first clamping block (18) is larger than the inner diameter of the second clamping block (19), and the circle centers of the sealing cover (13), the inner sleeve (16) and the outer sleeve (17) are located on the same vertical line.