CN211064837U - Storage type liquid nitrogen tank - Google Patents
Storage type liquid nitrogen tank Download PDFInfo
- Publication number
- CN211064837U CN211064837U CN201921905752.7U CN201921905752U CN211064837U CN 211064837 U CN211064837 U CN 211064837U CN 201921905752 U CN201921905752 U CN 201921905752U CN 211064837 U CN211064837 U CN 211064837U
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- liquid nitrogen
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- supporting column
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Abstract
A storage type liquid nitrogen tank comprises a tank body, a freezing storage pipe placing frame, a supporting column, a sliding part, a rotating rod, a lifting device, a supporting plate and a driving device; the support column is rotatably arranged on the bottom surface of the tank body and is provided with a hollow bin; a plurality of sliding chutes are arranged on the inner wall of the hollow bin; the tank body is provided with a sealing cover and a sealing door, and a placing frame is arranged in the tank body; a space for placing a plurality of freezing tube placing racks is reserved on the placing rack; the placing frame is sleeved on the outer side of the supporting column; the sliding piece is matched with the sliding grooves and is connected with the plurality of sliding grooves in a sliding manner and penetrates through the sliding grooves to be connected with the placing frame; the sealing cover is provided with a through hole; one end of a rotating rod penetrates through the through hole to extend into the hollow bin and is connected with the sliding part, the rotating rod is connected with the sealing cover in a sealing mode, and the other end of the rotating rod is connected with the supporting plate in a rotating mode and is in transmission connection with a driving device arranged on the supporting plate; the lifting device is arranged on the sealing cover and connected with the supporting plate. The utility model discloses the convenience is taken or is placed freezing the pipe rack of depositing the pipe to depositing, and can reduce volatilizing of liquid nitrogen.
Description
Technical Field
The utility model relates to a biological sample low temperature stores technical field, especially relates to a storage formula liquid nitrogen container.
Background
Modern medical data and research and biological research relate to a large number of samples, particularly tissue and cell samples need to be put into freezing storage tubes and then put into liquid nitrogen for storage, the freezing storage tubes need to be orderly placed into a liquid nitrogen tank, and the limited space in the liquid nitrogen tank is better utilized; it must also be convenient to store and extract; however, in the existing liquid nitrogen tank, the volatilization efficiency of the liquid nitrogen is high in the process of storing and taking the freezing tube; in addition, the existing mounting frame used in the liquid nitrogen tank has low utilization rate of the storage space of the freezing pipe, and the operation of taking the freezing pipe from the liquid nitrogen tank is troublesome; to this end, a storage-type liquid nitrogen tank is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a store formula liquid nitrogen container, the utility model discloses the convenience is taken or is placed freezing the pipe rack of depositing the pipe to depositing, and can reduce volatilizing of liquid nitrogen, in addition, the utility model discloses can also detect the internal liquid nitrogen capacity of jar.
(II) technical scheme
The utility model provides a storage type liquid nitrogen tank, which comprises a tank body, a freezing storage tube placing rack, a supporting column, an installation cylinder, a sliding part, a rotating rod, a lifting device, a supporting plate and a driving device;
the supporting column is vertically arranged in the tank body and is rotationally connected with the bottom surface of the tank body, and a hollow bin is arranged on the upper end surface of the supporting column extending inwards along the central axis; the upper end face of the support column of the hollow bin is provided with a first opening, the depth value of the hollow bin is smaller than the height value of the support column, and the inner wall of the hollow bin is provided with a plurality of sliding grooves; the plurality of sliding grooves are provided with second openings on the supporting columns;
the bottom of the tank body is filled with liquid nitrogen, the opening of the tank body is hermetically provided with a sealing cover, the end surface of the tank body is provided with a sealing door, and the tank body is internally provided with a placing frame; the placing frame comprises a plurality of placing plates and mounting cylinders; the plurality of placing plates are uniformly arranged on the mounting cylinder along the length direction of the mounting cylinder, and spaces for placing the plurality of freezing storage tube placing racks are reserved among the plurality of placing plates; the mounting cylinder is sleeved on the outer side of the supporting column; the sliding piece is matched with the sliding grooves in sliding connection to slide up and down along the supporting column, and the sliding piece penetrates through the second opening to be connected with the inner wall of the mounting cylinder; wherein, the sealing cover is provided with a through hole;
one end of a rotating rod penetrates through the through hole and extends into the hollow bin from the first opening, one end of the rotating rod is connected with the sliding piece, the rotating rod is hermetically connected with the sealing cover, the other end of the rotating rod is rotatably connected with the supporting plate, and the rotating rod is in transmission connection with a driving device arranged on the supporting plate; the lifting device is arranged on the sealing cover, and the telescopic end of the lifting device is connected with the supporting plate to drive the placing frame to move up and down along the length direction of the supporting column.
Preferably, the cryopreservation tube placing frame comprises a first placing plate, a plurality of connecting rods and a second placing plate;
one ends of the connecting rods are respectively connected with the first placing plate, and the other ends of the connecting rods are respectively connected with the second placing plate;
a plurality of placing holes for allowing the freezing and storing pipes to pass through are uniformly formed in the first placing plate; a plurality of grooves for accommodating the freezing pipes are uniformly formed in the second placing plate; the first placing plate and the second placing plate are parallel to each other; the grooves correspond to the placing holes one by one.
Preferably, a plurality of limiting columns are uniformly arranged on the lower end face of the second placing plate; wherein, a plurality of limiting holes are uniformly arranged on the placing plate;
the plurality of limiting columns are respectively matched with the plurality of limiting holes in a sliding mode one by one to form a limiting structure.
Preferably, the first placing plate and the second placing plate are the same in size and shape, and the projections of the first placing plate and the second placing plate are both fan-shaped; wherein the projection of the placing plate is circular.
Preferably, a plurality of fasteners and flange plates; the projection shape of the flange plate is the same as the cross section shape of the opening of the tank body, the flange plate is arranged in a head-to-head connection mode and is arranged on the sealing cover, and a plurality of first threaded holes are formed in the flange plate; wherein, the upper end surface of the tank body is provided with an annular sealing groove; the bottom surface of the sealing groove is provided with a threaded blind hole, and the bottom surface of the sealing groove is provided with an elastic cushion; the sealing cover is provided with a plurality of second threaded holes;
the plurality of fastening pieces respectively pass through the plurality of first threaded holes and the plurality of second threaded holes in a one-to-one spiral mode and are screwed into the plurality of threaded blind holes in a threaded mode; the end face of the flange plate presses the elastic pad.
Preferably, the inner wall of the tank body, the sealing cover and the sealing door are all provided with heat-insulating layers on the end face of the tank body and the end face of the tank body.
Preferably, the device comprises a fixed cylinder, a pressure sensor, an I-shaped connecting piece, a piston, a display screen, a host and a key module; wherein, the bottom surface of the tank body is provided with a mounting hole;
the fixed cylinder is screwed into the mounting hole through threads, and the inside of the fixed cylinder is communicated with the inside of the tank body; the piston is arranged in the fixed cylinder in a sliding manner, and an installation bin for installing the I-shaped connecting piece and the pressure sensor is formed between the piston and the fixed cylinder; the projection diameter of the I-shaped connecting piece is smaller than the inner diameter of the fixed cylinder, one end of the I-shaped connecting piece is connected with the piston, and the other end of the I-shaped connecting piece compresses the pressure sensor;
the host is arranged on the tank body; a central processing unit is arranged in the host; the central processing unit is respectively connected with the display screen, the key module, the pressure sensor, the driving device and the lifting device; the key module and the display screen are arranged on the host.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when in use, the cryopreservation tube with the tissue sample is placed on the cryopreservation tube placing frame, and the sealing door is opened, so that the cryopreservation tube placing frame is conveniently placed on the placing frame in the tank body; the freezing storage tube placing frame can effectively avoid volatilization of liquid nitrogen in the tank body by taking and placing the freezing storage tube placing frame at the sealing door, so that the storage environment of the tank body is fully ensured, the whole freezing storage environment cannot be influenced by taking and placing the freezing storage tube placing frame, and the safety of tissue sample plate storage is greatly improved; the rotary rod is driven to rotate by the operation of the driving device, and the rotary rod drives the sliding piece and the mounting barrel connected with the sliding piece to rotate together, so that the frozen tube placing rack stored on the circumferential direction of the placing rack can be taken from the sealing door or placed in a vacant space on the circumferential direction of the placing rack; in addition, the lifting device operates to drive the supporting plate to move up and down, so that the rotating rod and the sliding piece are driven to move up and down along the length direction of the supporting column, and the placing frame is driven to move up and down in the tank body, so that the frozen storage tube placing frames on the upper portion and the lower portion of the placing frame can be conveniently taken or placed in vacant spaces on the upper portion and the lower portion of the placing frame, and the frozen storage tube placing frames provided with frozen storage tubes can be conveniently taken and placed from the tank body through the process;
in addition, the projection of the cryopreservation tube placing rack is fan-shaped, the placing plate is circular, and a plurality of cryopreservation tube placing racks with fan-shaped structures are uniformly placed on the placing plate, so that the space utilization rate of the placing plate is greatly improved; the utility model discloses can also detect jar internal liquid nitrogen capacity so that in time supply the liquid nitrogen to jar internal.
Drawings
Fig. 1 is a schematic structural diagram of a storage type liquid nitrogen tank provided by the present invention.
Fig. 2 is a schematic diagram of a locally enlarged structure at a position a in a storage type liquid nitrogen tank provided by the present invention.
Fig. 3 is a schematic structural diagram of the storage type liquid nitrogen tank with a partially enlarged position B.
Fig. 4 is a schematic diagram of a locally enlarged structure at the position C in the storage type liquid nitrogen tank provided by the present invention.
Fig. 5 is a front view of a storage type liquid nitrogen tank according to the present invention.
Fig. 6 is a schematic view of a three-dimensional structure of a frozen tube storage rack in a storage type liquid nitrogen tank.
Fig. 7 is a top view of a support column in a storage type liquid nitrogen tank according to the present invention.
Reference numerals: 1. a tank body; 2. a heat-insulating layer; 3. placing the plate; 4. freezing and storing the tube rack; 41. a first placing plate; 42. a connecting rod; 43. a second placing plate; 44. a groove; 45. placing holes; 5. a support pillar; 51. a chute; 52. a second opening; 6. a hollow bin; 7. supporting legs; 8. mounting the cylinder; 9. a slider; 10. rotating the rod; 11. a fixed cylinder; 12. a pressure sensor; 13. an I-shaped connecting piece; 14. a piston; 15. a sealing cover; 16. a lifting device; 17. a support plate; 18. a drive device; 19. a sealing door; 20. a display screen; 21. a host; 22. a key module; 23. a tightening piece; 24. a flange plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-7, the storage type liquid nitrogen tank provided by the present invention comprises a tank body 1, a freezing storage tube placing frame 4, a supporting column 5, an installation cylinder 8, a sliding member 9, a rotating rod 10, a lifting device 16, a supporting plate 17 and a driving device 18;
the supporting column 5 is vertically arranged in the tank body 1, the supporting column 5 is rotatably connected with the bottom surface of the tank body 1, and a hollow bin 6 is arranged on the upper end surface of the supporting column 5 extending inwards along the central axis thereof; the upper end surface of the supporting column 5 of the hollow bin 6 is provided with a first opening, the depth value of the hollow bin 6 is smaller than the height value of the supporting column 5, and the inner wall of the hollow bin 6 is provided with a plurality of sliding grooves 51; the plurality of slide grooves 51 are provided with second openings 52 on the support column 5;
liquid nitrogen is stored at the bottom of the tank body 1, a sealing cover 15 is hermetically arranged at the opening of the tank body 1, a sealing door 19 is arranged on the end surface of the tank body 1, and a placing frame is arranged in the tank body 1;
the placing frame comprises a plurality of placing plates 3 and mounting cylinders 8; the placing plates 3 are uniformly arranged on the mounting cylinder 8 along the length direction of the mounting cylinder 8, and a space for placing the freezing storage tube placing frames 4 is reserved among the placing plates 3; the mounting cylinder 8 is sleeved outside the supporting column 5;
the sliding part 9 is in fit sliding connection with the sliding grooves 51 to slide up and down along the supporting column 5, and the sliding part 9 passes through the second opening 52 to be connected with the inner wall of the mounting cylinder 8; wherein, the sealing cover 15 is provided with a through hole;
one end of a rotating rod 10 penetrates through the through hole and extends into the hollow bin 6 from the first opening, one end of the rotating rod 10 is connected with the sliding part 9, the rotating rod 10 is connected with the sealing cover 15 in a sealing mode, the other end of the rotating rod 10 is connected with a supporting plate 17 in a rotating mode, and the rotating rod 10 is in transmission connection with a driving device 18 arranged on the supporting plate 17; the driving device 18 adopts a variable frequency motor;
the lifting device 16 is arranged on the sealing cover 15, and the telescopic end of the lifting device 16 is connected with the supporting plate 17 to drive the placing frame to move up and down along the length direction of the supporting column 5; the lifting device 16 is selected from, but not limited to, a hydraulic cylinder.
In the utility model, when in use, the cryopreservation tube placed with the tissue sample is placed on the cryopreservation tube placing frame 4, and the sealing door 19 is opened, so that the cryopreservation tube placing frame 4 is conveniently placed on the placing frame in the tank body 1; the freezing tube placing frame 4 is taken and placed at the position of the sealing door 19, so that volatilization of liquid nitrogen in the tank body 1 can be effectively avoided, the storage environment of the tank body 1 is fully guaranteed, the whole freezing environment cannot be influenced by taking and placing the freezing tube placing frame 4, and the safety of tissue sample storage is greatly improved; the rotary rod 10 is driven to rotate by the operation of the driving device 18, the rotary rod 10 drives the sliding part 9 and the mounting cylinder 8 connected with the sliding part 9 to rotate together, so that the frozen tube placing rack 4 stored on the circumferential direction of the placing rack can be taken from the sealing door 19 or the frozen tube placing rack 4 can be placed in a vacant space on the circumferential direction of the placing rack; in addition, elevating gear 16 operation drives backup pad 17 and reciprocates to drive rotary rod 10 and slider 9 and reciprocate along the length direction of support column 5, and then drive and put the frame and reciprocate in jar body 1, thereby conveniently take or will freeze and deposit pipe rack 4 and place the vacant space department of putting the frame department from top to bottom to freezing of putting the frame department and put freezing and deposit pipe rack 4, conveniently get from jar body 1 internal freezing and deposit pipe rack 4 of depositing the pipe through the above-mentioned process.
In an alternative embodiment, the vial rack 4 comprises a first placing plate 41, a plurality of connecting rods 42, and a second placing plate 43;
one ends of the plurality of connecting rods 42 are respectively connected with the first placing plate 41, and the other ends of the plurality of connecting rods 42 are respectively connected with the second placing plate 43;
a plurality of placing holes 45 for allowing the freezing storage pipes to pass through are uniformly formed in the first placing plate 41; a plurality of grooves 44 for accommodating the freezing pipes are uniformly arranged on the second placing plate 43; wherein the first placing plate 41 and the second placing plate 43 are parallel to each other; the grooves 44 and the placing holes 45 correspond one to one; will freeze and deposit the pipe and pass in proper order and place hole 45 and will freeze the lower extreme that deposits the pipe and insert in recess 44 to lay freezing the pipe fast and deposit on freezing a tub rack 4, easy operation convenient to use.
In an alternative embodiment, a plurality of limiting columns are uniformly arranged on the lower end surface of the second placing plate 43; wherein, a plurality of limiting holes are uniformly arranged on the placing plate 3;
a plurality of spacing posts cooperate the slip to insert a plurality of spacing holes one by one respectively to constitute limit structure and can avoid freezing and deposit pipe rack 4 and break away from putting the frame when putting the frame rotation.
In an alternative embodiment, the first placing plate 41 and the second placing plate 43 have the same size and the same shape, and the projections of the first placing plate 41 and the second placing plate 43 are both fan-shaped; wherein, the projection of the placing plate 3 is circular; the projection of freezing and depositing pipe rack 4 is fan-shaped, and places 3 places the board circularly, evenly places freezing and depositing pipe rack 4 of a plurality of fan-shaped structures on placing board 3, improves the space utilization to placing board 3 greatly.
In an alternative embodiment, a plurality of fasteners 23 and flange plates 24 are included; the projection shape of the flange plate 24 is the same as the cross section shape of the opening of the tank body 1, the flange plate 24 is arranged at the head part in a connecting way, the flange plate 24 is arranged on the sealing cover 15, and a plurality of first threaded holes are arranged on the flange plate 24; wherein, the upper end surface of the tank body 1 is provided with an annular sealing groove; the bottom surface of the sealing groove is provided with a threaded blind hole, and the bottom surface of the sealing groove is provided with an elastic cushion; the sealing cover 15 is provided with a plurality of second threaded holes;
the plurality of fastening pieces 23 respectively pass through the plurality of first threaded holes and the plurality of second threaded holes in a one-to-one spiral mode and are screwed into the plurality of threaded blind holes in a threaded mode; the end face of the flange plate 24 presses the elastic pad, and the sealing performance between the sealing cover 15 and the tank body 1 is greatly improved through the arrangement of the structure.
In an alternative embodiment, the inner wall of the tank 1, the sealing cover 15 on the end face of the tank 1 and the sealing door 19 on the end face of the tank 1 are all provided with the insulating layer 2.
In an alternative embodiment, the device comprises a fixed cylinder 11, a pressure sensor 12, an I-shaped connecting piece 13, a piston 14, a display screen 20, a host 21 and a key module 22; wherein, the bottom surface of the tank body 1 is provided with a mounting hole;
the fixed cylinder 11 is screwed into the mounting hole, and the inside of the fixed cylinder 11 is communicated with the inside of the tank body 1; the piston 14 is arranged in the fixed cylinder 11 in a sliding manner, and an installation bin for installing the I-shaped connecting piece 13 and the pressure sensor 12 is formed between the piston 14 and the fixed cylinder 11; the projection diameter of the I-shaped connecting piece 13 is smaller than the inner diameter of the fixed cylinder 11, one end of the I-shaped connecting piece 13 is connected with the piston 14, and the other end of the I-shaped connecting piece 13 compresses the pressure sensor 12; the I-shaped connecting piece 13 supports the piston 14;
the main machine 21 is arranged on the tank body 1; a central processing unit is arranged in the host 21; the central processing unit is respectively connected with the display screen 20, the key module 22, the pressure sensor 12, the driving device 18 and the lifting device 16; wherein, the key module 22 and the display screen 20 are arranged on the host 21;
the liquid nitrogen in the tank body 1 pushes the piston 14 and the I-shaped connecting piece 13 to extrude the pressure sensor 12 together; the pressure signal detected by the pressure sensor 12 is sent to the central processing unit; the central processing unit converts the received pressure signal into a liquid level signal of the liquid nitrogen, displays the liquid level condition of the liquid nitrogen on the display screen 20, and observes the content of the liquid nitrogen in the tank body 1 through the display screen 20 so as to supplement the liquid nitrogen into the tank body 1 in time when the liquid nitrogen in the tank body 1 is insufficient; the driving device 18 and the lifting device 16 are controlled by the arranged key module 22, and parameters of the driving device 18 and the lifting device 16 are set.
In an alternative embodiment, a refill tube is included; a liquid inlet of the liquid supplementing pipe is connected with an external liquid nitrogen source, a liquid outlet of the liquid supplementing pipe is positioned at the bottom of the tank body 1, and an electromagnetic valve is arranged on the liquid supplementing pipe; the signal input end of the electromagnetic valve is connected with the signal output end of the central processing unit, and when liquid nitrogen in the tank body 1 is insufficient through the arranged liquid supplementing pipe, the external liquid nitrogen is timely conveyed into the tank body 1 from the liquid supplementing pipe.
In an alternative embodiment, the lower end of the tank 1 is provided with a plurality of support feet 7.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A storage type liquid nitrogen tank is characterized by comprising a tank body (1), a freezing storage tube placing frame (4), a supporting column (5), an installation cylinder (8), a sliding piece (9), a rotating rod (10), a lifting device (16), a supporting plate (17) and a driving device (18);
the supporting column (5) is vertically arranged in the tank body (1), the supporting column (5) is rotatably connected with the bottom surface of the tank body (1), and a hollow bin (6) is arranged on the upper end surface of the supporting column (5) in an inward extending mode along the central axis of the supporting column; the upper end face of the supporting column (5) of the hollow bin (6) is provided with a first opening, the depth value of the hollow bin (6) is smaller than the height value of the supporting column (5), and the inner wall of the hollow bin (6) is provided with a plurality of sliding grooves (51); a plurality of sliding grooves (51) are provided with second openings (52) on the supporting columns (5);
liquid nitrogen is stored at the bottom of the tank body (1), a sealing cover (15) is arranged at the opening of the tank body (1) in a sealing way, a sealing door (19) is arranged on the end surface of the tank body (1), and a placing frame is arranged in the tank body (1); the placing frame comprises a plurality of placing plates (3) and mounting cylinders (8); the plurality of placing plates (3) are uniformly arranged on the mounting barrel (8) along the length direction of the mounting barrel (8), and spaces for placing the plurality of freezing tube placing frames (4) are reserved among the plurality of placing plates (3); the mounting cylinder (8) is sleeved on the outer side of the supporting column (5); the sliding part (9) is matched with and slidably connected with the sliding grooves (51) to slide up and down along the supporting column (5), and the sliding part (9) penetrates through the second opening (52) to be connected with the inner wall of the mounting cylinder (8); wherein, the sealing cover (15) is provided with a through hole;
one end of a rotating rod (10) penetrates through the through hole and extends into the hollow bin (6) from the first opening, one end of the rotating rod (10) is connected with the sliding part (9), the rotating rod (10) is connected with the sealing cover (15) in a sealing mode, the other end of the rotating rod (10) is connected with a supporting plate (17) in a rotating mode, and the rotating rod (10) is connected with a driving device (18) arranged on the supporting plate (17) in a transmission mode; the lifting device (16) is arranged on the sealing cover (15), and the telescopic end of the lifting device (16) is connected with the supporting plate (17) to drive the placing frame to move up and down along the length direction of the supporting column (5).
2. A storage-type liquid nitrogen tank according to claim 1, wherein the vial rack (4) comprises a first placing plate (41), a plurality of connecting rods (42) and a second placing plate (43);
one ends of the connecting rods (42) are respectively connected with the first placing plate (41), and the other ends of the connecting rods (42) are respectively connected with the second placing plate (43);
a plurality of placing holes (45) for allowing the freezing and storing pipes to pass through are uniformly formed in the first placing plate (41); a plurality of grooves (44) for accommodating the freezing pipes are uniformly formed in the second placing plate (43); wherein the first placing plate (41) and the second placing plate (43) are parallel to each other; the grooves (44) and the placing holes (45) are in one-to-one correspondence.
3. The liquid nitrogen storage tank as claimed in claim 2, wherein the lower end surface of the second placing plate (43) is uniformly provided with a plurality of limiting columns; wherein, a plurality of limiting holes are uniformly arranged on the placing plate (3);
the plurality of limiting columns are respectively matched with the plurality of limiting holes in a sliding mode one by one to form a limiting structure.
4. A storage tank as claimed in claim 2, characterised in that the first (41) and second (43) plates are of the same size and shape, the first (41) and second (43) plates having a fan-shaped projection; wherein the projection of the placing plate (3) is circular.
5. A storage tank for liquid nitrogen according to claim 1, characterized by comprising a plurality of fasteners (23) and flange plates (24); the projection shape of the flange plate (24) is the same as the cross section shape of the opening of the tank body (1), the flange plate (24) is arranged at the head part in a connected mode, the flange plate (24) is arranged on the sealing cover (15), and a plurality of first threaded holes are formed in the flange plate (24); wherein, the upper end surface of the tank body (1) is provided with an annular sealing groove; the bottom surface of the sealing groove is provided with a threaded blind hole, and the bottom surface of the sealing groove is provided with an elastic cushion; a plurality of second threaded holes are formed in the sealing cover (15);
the plurality of fastening pieces (23) respectively pass through the plurality of first threaded holes and the plurality of second threaded holes in a one-to-one spiral mode and are screwed into the plurality of threaded blind holes in a threaded mode; the end face of the flange plate (24) presses the elastic pad.
6. A storage type liquid nitrogen tank according to claim 1, wherein the inner wall of the tank body (1), the sealing cover (15) and the sealing door (19) are provided with the insulating layer (2) on the end face of the tank body (1).
7. The storage type liquid nitrogen tank as claimed in claim 1, which comprises a fixed cylinder (11), a pressure sensor (12), an I-shaped connector (13), a piston (14), a display screen (20), a main machine (21) and a key module (22); wherein, the bottom surface of the tank body (1) is provided with a mounting hole;
the fixed cylinder (11) is screwed into the mounting hole through threads, and the inside of the fixed cylinder (11) is communicated with the inside of the tank body (1); the piston (14) is arranged in the fixed cylinder (11) in a sliding manner, and an installation bin for installing the I-shaped connecting piece (13) and the pressure sensor (12) is formed between the piston (14) and the fixed cylinder (11); the projection diameter of the I-shaped connecting piece (13) is smaller than the inner diameter of the fixed cylinder (11), one end of the I-shaped connecting piece (13) is connected with the piston (14), and the other end of the I-shaped connecting piece (13) compresses the pressure sensor (12);
the host (21) is arranged on the tank body (1); a central processing unit is arranged in the host (21); the central processing unit is respectively connected with the display screen (20), the key module (22), the pressure sensor (12), the driving device (18) and the lifting device (16); the key module (22) and the display screen (20) are arranged on the host (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921905752.7U CN211064837U (en) | 2019-11-06 | 2019-11-06 | Storage type liquid nitrogen tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921905752.7U CN211064837U (en) | 2019-11-06 | 2019-11-06 | Storage type liquid nitrogen tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211064837U true CN211064837U (en) | 2020-07-24 |
Family
ID=71622047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921905752.7U Expired - Fee Related CN211064837U (en) | 2019-11-06 | 2019-11-06 | Storage type liquid nitrogen tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211064837U (en) |
-
2019
- 2019-11-06 CN CN201921905752.7U patent/CN211064837U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |