CN109730055B - Liquid nitrogen tank - Google Patents
Liquid nitrogen tank Download PDFInfo
- Publication number
- CN109730055B CN109730055B CN201910190892.9A CN201910190892A CN109730055B CN 109730055 B CN109730055 B CN 109730055B CN 201910190892 A CN201910190892 A CN 201910190892A CN 109730055 B CN109730055 B CN 109730055B
- Authority
- CN
- China
- Prior art keywords
- barrel
- tank
- cylinder
- top end
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 238000007710 freezing Methods 0.000 claims description 16
- 230000008014 freezing Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 5
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000005138 cryopreservation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Sampling And Sample Adjustment (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a liquid nitrogen tank, which comprises a tank body and a tank cover, wherein a lifting barrel is hung in the tank body, the lifting barrel comprises a lifting rod and a barrel body, the lifting rod is hung in an open groove at the top end of the tank body through a buckle arranged at the top end of the lifting rod, the top end of the barrel body is hinged with a barrel cover, the bottom surface of the barrel body is obliquely arranged, a through hole is formed in the barrel wall at the lower side of the bottom surface of the barrel body, two sides of the through hole extend outwards to form an isolation barrel, and the top end of the isolation barrel is lower than the top end of the through hole; a vertical rotating shaft is arranged on one side, close to the through hole, in the cylinder body, a round hole corresponding to the vertical rotating shaft is formed in the cylinder cover, the top end of the vertical rotating shaft penetrates out of the round hole and is flush with the top end of the lifting rod, a rotary baffle plate is arranged on the outer side of the vertical rotating shaft in the cylinder body, and the width of each baffle plate is smaller than or equal to the distance between the vertical rotating shaft and two sides of the through hole. The liquid nitrogen tank can conveniently, rapidly and accurately take the frozen test tube sample, has good sealing performance, can monitor the temperature change in the tank body in real time, and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of livestock breeding, in particular to a liquid nitrogen tank.
Background
In the livestock breeding process, products such as scientific research cells and the like need to be frozen and preserved by liquid nitrogen through a test tube. The existing liquid nitrogen tank is simple in structure, a test tube to be frozen and stored is generally placed in the storage barrel, the storage barrel is hung in a through groove at the opening of the liquid nitrogen tank through a thin wire, the thin wire is required to be pulled stably until the storage barrel is pulled out after taking the frozen and stored test tube sample every time, the operation is complex, the time is long, a large amount of liquid nitrogen is lost in the process of taking the frozen and stored test tube sample, and the process is very wasteful.
At present, a design that a storage barrel is hung on an opening of a liquid nitrogen tank through a pull rod is adopted, however, as the storage barrel is generally a simple empty barrel with an open upper end, the test tubes are very inconvenient to stack and take, and a single frozen test tube sample can not be accurately taken each time, so that the operation is difficult; in addition, the storage barrel in the storage mode and the test tube placed in the storage barrel are easy to float upwards, so that the test tube falls into the bottom of the liquid nitrogen tank and cannot be taken out; in addition, the tank cover of the liquid nitrogen tank is generally covered in a plug cover mode, so that the sealing performance is poor, liquid nitrogen is easy to run off, and great waste is caused; in the use process of the liquid nitrogen tank, the temperature can change along with the gradual loss of liquid nitrogen, the prior liquid nitrogen tank structure can not meet the requirement that people grasp the temperature change in the liquid nitrogen tank in real time, and a plurality of troubles are brought to the freezing preservation work.
Disclosure of Invention
The invention aims to solve the problems that the test tubes are very inconvenient to stack and take, and a single frozen test tube sample cannot be accurately taken each time, and provides a liquid nitrogen tank.
The technical scheme adopted for solving the technical problems is as follows:
the liquid nitrogen tank comprises a tank body and a tank cover which is arranged at an opening at the top end of the tank body and can be freely opened, wherein a plurality of lifting barrels are uniformly hung in the tank body along the circumferential direction of the tank body, each lifting barrel comprises a lifting rod and a barrel body connected with the bottom end of the lifting rod, the top end of the lifting rod is connected with the opening at the top end of the tank body, the bottom end of the barrel body is provided with an inclination, a through hole is formed in the barrel wall at the lower side of the bottom surface of the barrel body along the height direction of the barrel body, two sides of the through hole extend outwards to form an isolation barrel, a vertical rotating shaft with the bottom end connected with the bottom end of the barrel body is arranged at one side, close to the through hole, of the inside of the barrel body, a plurality of rotating separation blades are uniformly arranged along the circumferential direction, the rotating separation blades are arranged along the height direction of the barrel body, and the width of the rotating separation blades is smaller than or equal to the distance between the vertical rotating shaft and the two sides of the through hole;
the barrel top is equipped with the cover, is equipped with a round hole that supplies vertical pivot to pass on the cover, the top of vertical pivot flushes with the pole top of carrying.
Further, the top end of the lifting rod is provided with a buckle.
Further, the lateral wall of isolation section of thick bamboo is from upwards slope setting down, and isolation section of thick bamboo's top is less than the through-hole top, and the through-hole width sets up to slightly be greater than the cryopreservation test tube internal diameter, and isolation section of thick bamboo barrel bottom diameter is equivalent with the cryopreservation test tube internal diameter.
Further, a plug body which is deeply arranged in the tank body is arranged at the bottom end of the tank cover, a temperature sensor is arranged at the bottom of the plug body, a microprocessor is arranged in the plug body above the temperature sensor, a signal output end of the temperature sensor is connected with a temperature signal input end of the microprocessor, a display is arranged at the top end of the tank cover, and a signal input end of the display is correspondingly connected with a signal output end of the microprocessor.
Further, a horizontal rotating shaft which is arranged in parallel with the tank body is arranged outside the upper part of the tank body, two support plates which are arranged in parallel are connected between the front end and the rear end of the horizontal rotating shaft and the outer side wall of the tank body, a shaft sleeve is respectively sleeved at the front end and the rear end of the horizontal rotating shaft, one end of each support plate is connected with the shaft sleeve, and the other end of each support plate is connected with the outer side wall of the tank body;
a connecting rod is arranged between the middle part of the horizontal rotating shaft and the top end of the tank cover, the upper end of the connecting rod is hinged with the top end of the tank cover, the lower end of the connecting rod is fixedly connected with the middle part of the horizontal rotating shaft, an air cylinder is arranged on the outer side of the tank body, and the top end of a piston rod of the air cylinder is hinged with the connecting rod.
Further, the lower position of the side wall of the cylinder body is provided with a pressing mechanism, the pressing mechanisms are symmetrically arranged, and the pressing mechanism is located at one side far away from the through hole.
Further, the compressing mechanism comprises a shell, a pressing plate and a compression spring, wherein the shell is fixed on the outer side of the cylinder, the pressing plate is an arc-shaped plate, a sliding rod is arranged at one end of the outer side of the pressing plate, the sliding rod penetrates through the shell, the compression spring is sleeved on the sliding rod, one end of the outer side of the compression spring is in contact with the inner wall of the shell, and one end of the inner side of the compression spring is in contact with the pressing plate.
Further, a layer of rubber pad is sleeved on the pressing plate, a groove is formed in the position, corresponding to the pressing plate, of the inner wall of the cylinder body, and the pressing plate is matched with the groove.
The beneficial effects of the invention are as follows:
1. the invention uniformly hangs a plurality of lifting barrels in the tank body along the circumferential direction of the tank body, the lifting barrels comprise lifting rods and a barrel body connected with the bottom ends of the lifting rods, the bottom ends of the barrel body are provided with inclined holes, the barrel wall at the lower side of the bottom surface of the barrel body is provided with a through hole along the height direction of the barrel body, two sides of each through hole extend outwards to form an isolation barrel, one side of the inside of the barrel body, which is close to the through hole, is provided with a vertical rotating shaft with the bottom ends connected with the bottom ends of the barrel body, and the vertical rotating shaft is uniformly provided with a plurality of rotating baffle plates along the circumferential direction.
2. The bottom surface of the cylinder body is obliquely arranged inwards, so that the frozen storage test tube in the cylinder body can be always pressed to one side of the through hole, the frozen storage test tube can be stirred when the rotary baffle plate rotates, meanwhile, the frozen storage test tube cannot be left in the cylinder body 4, and the reliability is good.
3. The width of the rotary separation baffle is smaller than or equal to the distance between the vertical rotating shaft and the two sides of the through hole; prevent to rotate to separate to produce between separation blade and the barrel inner wall and interfere, guaranteed under the barrel bottom tilting action of barrel to the frozen test tube that gathers to one side of the opening direction of barrel lateral wall under vertical pivot rotates, by rotating separation blade revolve to opening department and light entering isolation section of thick bamboo in, the frozen test tube that is the slope form and places in the entering isolation section of thick bamboo.
4. The top end of the cylinder body is provided with the cylinder cover, the cylinder cover is provided with the round hole for the vertical rotating shaft to pass through, the cylinder cover can ensure the stability of the frozen test tube sample stored in the cylinder body and prevent the frozen test tube sample from floating, and the upper end of the vertical rotating shaft passes through the round hole in the cylinder cover, so that the stability of the cylinder cover is ensured, and the frozen test tube placed in the cylinder body cannot be pressed.
5. The side wall of the isolation cylinder is obliquely arranged from bottom to top, the top end of the isolation cylinder is lower than the top end of the through hole, the top of the freezing test tube stored in the cylinder body is exposed after entering the isolation cylinder, and the tube body is obliquely arranged depending on the wall of the isolation cylinder, so that an operator can conveniently take a single freezing test tube sample.
6. The width of the through opening is slightly larger than the inner diameter of the freezing test tube, so that a single freezing test tube can conveniently and smoothly pass through, the bottom diameter of the isolating cylinder is equal to the inner diameter of the freezing test tube, the quantity of the freezing test tube entering the isolating cylinder each time can be ensured to be one, and the problem that a plurality of freezing test tubes are accumulated and still inconvenient to take after being rotated out is avoided.
7. According to the invention, the temperature sensor and the microprocessor are arranged in the liquid nitrogen tank, so that scientific research operators can conveniently control the liquid nitrogen temperature in the tank in real time, the local real-time display of the temperature in the tank is realized, and when the temperature exceeds the normal range, the alarm prompt can be carried out through the display on the tank cover.
8. According to the invention, the tank cover and the tank body are connected in a mode of opening controlled by the air cylinder, so that the tank cover is convenient to open freely, the tightness of the connection between the tank cover and the tank body is ensured, the leakage of liquid nitrogen is prevented, and the tank is more economical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a bucket according to an embodiment of the present invention;
FIG. 3 is a top view of a bucket according to an embodiment of the present invention;
FIG. 4 is a right side view of a barrel according to an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of a second barrel according to an embodiment of the present invention;
fig. 6 is a right side view of a second barrel according to an embodiment of the present invention.
In the figure: the device comprises a tank body 1, a tank cover 2, a lifting rod 3, a cylinder body 4, a cylinder cover 5, a port 6, a separation cylinder 7, a vertical rotating shaft 8, a 9 rotary separation baffle, a 10 horizontal rotating shaft, a shaft sleeve 11, a supporting plate 12, a first connecting rod 13, a cylinder 14, a piston rod 15, a plug body 16, a temperature sensor 17, a microprocessor 18, a display 19, a buckle 20, a round hole 21, a shell 22, a pressing plate 23, a compression spring 24, a sliding rod 25, a rubber pad 26 and a baffle 27.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
For convenience of description, a coordinate system is now defined as shown in fig. 1.
Embodiment one:
as shown in fig. 1 to 4, a liquid nitrogen tank is illustrated, which comprises a tank body 1 and a tank cover 2 which is arranged at the top end opening of the tank body 1 and can be freely opened, a plurality of lifting barrels are uniformly hung in the tank body 1 along the circumferential direction of the tank body 1, the lifting barrels are provided with a plurality of lifting rods 3 and a cylinder body 4 fixedly connected with the bottom end of the lifting rods 3, the top ends of the lifting rods 3 are connected with the top end opening of the tank body 1, the bottom end of the cylinder body 4 is provided with an inclination, the bottom surface of the cylinder body is obliquely arranged inwards, a through hole 6 is arranged on the cylinder wall at the lower side of the bottom surface of the cylinder body 4 along the height direction of the cylinder body, two sides of the through hole 6 outwards extend to form a separation cylinder 7, a vertical rotating shaft 8 with the bottom end connected with the bottom end of the cylinder body 4 is uniformly provided with a plurality of rotating separation sheets 9 along the circumferential direction, the rotary separation baffle 9 is arranged along the height direction of the cylinder 4, the rotary separation baffle 9 is positioned in the cylinder 4, a vertical rotating shaft with the bottom end connected with the bottom wall of the cylinder is arranged at one side, close to the through hole, of the cylinder, a plurality of rotary separation baffles arranged along the height direction of the cylinder are uniformly arranged at the outer side of the vertical rotating shaft in the cylinder, when the rotary separation baffle is used, the lifting barrel is lifted out of the cylinder 1, the vertical rotating shaft 8 can be rotated to dial the frozen storage test tube in the cylinder 4 into the separation barrel 7, an operator can conveniently take the frozen storage test tube directly, the bottom surface of the cylinder is obliquely arranged inwards to ensure that the frozen storage test tube in the cylinder 4 is always pressed to one side of the through hole 6, the frozen storage test tube can be stirred when the rotary separation baffle 9 rotates, meanwhile, the frozen storage test tube cannot be left in the cylinder 4 is ensured, and the reliability is good, and the width of the rotary separation baffle 9 is smaller than or equal to the distance between the vertical rotating shaft 8 and the two sides of the through hole 6; prevent to rotate to separate to produce between separation blade 9 and the barrel inner wall and interfere, guaranteed under the barrel bottom tilting action of barrel to the frozen test tube that gathers to one side of the opening direction of barrel lateral wall under vertical pivot rotation, by rotating separation blade revolve to opening department and light entering isolation section of thick bamboo in, the frozen test tube that is the slope form and places in the entering isolation section of thick bamboo.
As shown in fig. 2 and fig. 4, the top of the barrel 4 is provided with a barrel cover 5, the barrel cover 5 is provided with a round hole 21 for the vertical rotating shaft 8 to pass through, the top of the vertical rotating shaft 8 is flush with the top of the lifting rod 3, and the stability of the frozen test tube sample stored in the barrel 4 can be further ensured due to the barrel cover 5 arranged at the top of the barrel 4, the floating is prevented, the upper end of the vertical rotating shaft 8 passes through the round hole 21 on the barrel cover 5, so that the stability of the barrel cover 5 is ensured, and the frozen test tube placed in the barrel 4 cannot be pressed.
As shown in fig. 2, the top end of the lifting rod 3 is provided with a buckle 20, the top end of the tank body 1 is provided with a clamping groove, the buckle 20 is matched with the clamping groove, and the lifting rod 3 is movably hung in the clamping groove arranged on the opening of the top end of the tank body 1 through the buckle 20 arranged at the top end of the lifting rod.
As shown in fig. 4, the side wall of the isolation cylinder 7 is arranged in a manner of being inclined downwards and upwards, the top end of the isolation cylinder 7 is lower than the top end of the through hole 6, after the frozen test tube stored in the cylinder body 4 enters the isolation cylinder 7, the top of the frozen test tube is exposed, and the tube body can be inclined depending on the wall of the isolation cylinder 7, so that an operator can take a single frozen test tube sample conveniently.
As shown in fig. 2 and 3, the through hole 6 on the barrel 4 can be set according to the pipe diameter size of the test tube frozen according to the requirement, the width of the through hole 6 is slightly larger than the inner diameter of the frozen test tube, a single frozen test tube can conveniently pass through smoothly, the bottom diameter of the isolation barrel 7 is equivalent to the inner diameter of the frozen test tube, the frozen test tube amount entering the isolation barrel 7 each time can be ensured to be one, the problem that a plurality of frozen test tubes are accumulated and still inconvenient to take after being rolled out is avoided, and the number of the rotary baffle plates 9 can be reasonably set according to the size of the frozen test tube.
As shown in fig. 1, a plug 16 penetrating into the can body 1 is disposed at the bottom end of the can cover 2, the upper end of the plug 16 is connected with the can cover 2, a temperature sensor 17 is disposed at the bottom of the plug 16, a microprocessor 18 is disposed in the plug 16 above the temperature sensor 17, a signal output end of the temperature sensor 17 is connected with a temperature signal input end of the microprocessor 18, a display 19 is disposed at the top end of the can cover 2, and a signal input end of the display 19 is correspondingly connected with a signal output end of the microprocessor 18. Through setting up temperature sensor and microprocessor in this liquid nitrogen jar, can make things convenient for scientific research operating personnel to master the liquid nitrogen temperature in the jar in real time, realize the local real-time demonstration of temperature in the jar, when the temperature surpasses normal range, the display on the accessible tank cover carries out the suggestion of reporting to the police.
As shown in fig. 1, a horizontal rotating shaft 10 parallel to the tank 1 is arranged at the outer part of the upper part of the tank 1, two opposite support plates 12 parallel to each other are connected between the front and rear ends of the horizontal rotating shaft 10 and the outer side wall of the tank 1, a shaft sleeve 11 is respectively sleeved at the front and rear ends of the horizontal rotating shaft 10, one end of each support plate 12 is fixedly connected with the shaft sleeve 11, and the other end of each support plate 12 is fixedly connected with the outer side wall of the tank 1; the prior art is not described herein in detail.
A connecting rod 13 is arranged between the middle part of the horizontal rotating shaft 10 and the top end of the tank cover, the upper end of the connecting rod 13 is hinged with the top end of the tank cover 2, the lower end of the connecting rod 13 is fixedly connected with the middle part of the horizontal rotating shaft 10, an air cylinder 14 is arranged on the outer side of the tank body 1, the cylinder body end of the air cylinder 14 is fixed on the tank body 1, and the top end of a piston rod of the air cylinder 14 is hinged with the connecting rod 13. Because the tank cover 2 and the tank body 1 adopt the connection mode that the cylinder 14 is controlled to be opened, the tank cover 2 is convenient to be opened freely, the tightness of the connection between the tank cover 2 and the tank body 1 is ensured, the leakage of liquid nitrogen is prevented, and the tank is more saved. The cylinder 14 is connected with the air source through an air pipe, a valve is arranged on the air pipe, and the working principle of the cylinder 14 is the prior art and is not repeated here.
During the use, take out the bucket, upwards mention and open cover 5 along vertical pivot 8, put into barrel 4 with the test tube that needs to freeze in vertically, put down cover 5, the piston rod 15 of start cylinder 14 cylinder rises, drive head rod 13 and rotate along horizontal pivot 10 and open, stretch into the liquid nitrogen jar with the bucket vertically downwards, the bucket hangs on locating the logical groove of jar body top opening upper edge through the buckle 20 on pole 3 top, control cylinder 14's piston rod 15 descends, cover jar lid 2 and seal on jar body 1. When the frozen storage test tube needs to be taken, a piston rod 15 of a cylinder of the starting cylinder 14 ascends to drive a first connecting rod 13 to rotate along a horizontal rotating shaft 10 to open, a lifting rod 3 of a manual lifting barrel is taken down, a buckle 20 of the lifting rod 3 is taken down from a through groove formed in an opening of the top 1 end of the tank body, then the lifting rod 3 is held by one hand, the vertical rotating shaft 8 is rotated by the other hand, a rotating separation blade 9 on the vertical rotating shaft 8 is driven to push the frozen storage test tube to gradually enter between two adjacent rotating separation blades 9 and is obliquely poured into the isolation cylinder 7 when the frozen storage test tube is rotated to the position of the through opening 6, and at the moment, an operator directly manually holds the top of the frozen storage test tube in the isolation cylinder 7 to conveniently take out. The trouble of directly taking the frozen storage test tube from the cylinder 4 is avoided, and the whole operation process is quick and safe, so that the operator is prevented from being frostbitten.
Embodiment two:
as shown in fig. 5 and 6, the lower side of the side wall of the cylinder 4 is provided with a pressing mechanism, the pressing mechanisms are symmetrically arranged, and the pressing mechanism is located at one side far away from the through hole 6. The compressing mechanism comprises a shell 22, a pressing plate 23 and a compression spring 24, wherein the shell 22 is fixed on the outer side of the cylinder 4 through a screw, the pressing plate 23 is an arc-shaped plate, a slide bar 25 is arranged at one end of the outer side of the pressing plate 23, the slide bar 25 penetrates through the shell 22, the compression spring 24 is sleeved on the slide bar 25, one end of the outer side of the compression spring 24 is contacted with the inner wall of the shell 22, and one end of the inner side of the compression spring 24 is contacted with the pressing plate 23. When the freezing storage test tube is used, the pressing plate 23 is used for pressing the freezing storage test tube, so that the freezing storage test tube is prevented from being toppled over, the reliability is good, the pressure of the compression spring 24 is small, and the lower end contact of the freezing storage test tube is guaranteed.
As shown in fig. 5, a layer of rubber pad 26 is sleeved on the pressing plate 23, the rubber pad 26 prevents the pressing plate 23 from directly contacting with the freezing test tube, the freezing test tube is protected, a groove 28 is arranged at the corresponding position of the inner wall of the cylinder body and the pressing plate 23, and the pressing plate 23 is matched with the groove 28.
As shown in fig. 5, a baffle 27 is disposed at one end of the outer side of the sliding rod 25, and the baffle 27 can prevent the sliding rod 25 from falling down, so that the reliability is good.
In describing the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "left", "right", "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be connected mechanically or electrically, can be connected directly or indirectly through an intermediate medium, and can be communicated inside the two components. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (7)
1. The utility model provides a liquid nitrogen tank, includes jar body (1) and locates jar body (1) top opening can freely open cover (2), characterized by, evenly hang along jar body (1) circumferencial direction in jar body (1) and be equipped with the carrying drum, carrying drum includes carrying pole (3) and barrel (4) that are connected with carrying pole (3) bottom, carrying pole (3) top and jar body (1) top opening part are connected, barrel (4) bottom slope sets up, is equipped with opening (6) along barrel height direction on the section of thick bamboo of barrel (4) lower side's bottom surface, the both sides of opening (6) outwards extend and enclose into a spacer (7), be equipped with a bottom and barrel (4) bottom connection's vertical pivot (8) in barrel (4) inside and be equipped with a plurality of rotation spacer (9) along circumferencial direction, rotation spacer (9) are located barrel (4) and keep off the barrel, rotation spacer (9) are located barrel (4) and keep off the width and are less than or equal to vertical pivot (8) of opening (6);
the side wall of the isolation cylinder (7) is obliquely arranged from bottom to top, the top end of the isolation cylinder (7) is lower than the top end of the through hole (6), the width of the through hole (6) is larger than the inner diameter of the freezing storage test tube, and the bottom diameter of the isolation cylinder (7) is the same as the inner diameter of the freezing storage test tube;
the top end of the cylinder body (4) is provided with a cylinder cover (5), a round hole (21) for a vertical rotating shaft (8) to pass through is formed in the cylinder cover (5), and the top end of the vertical rotating shaft (8) is flush with the top end of the lifting rod (3);
the novel water tank is characterized in that a plug body (16) penetrating into the tank body (1) is arranged at the bottom end of the tank cover (2), a temperature sensor (17) is arranged at the bottom of the plug body (16), a microprocessor (18) is arranged in the plug body (16) above the temperature sensor (17), a signal output end of the temperature sensor (17) is connected with a temperature signal input end of the microprocessor (18), a display (19) is arranged at the top end of the tank cover (2), and a signal input end of the display (19) is correspondingly connected with a signal output end of the microprocessor (18).
2. A liquid nitrogen tank according to claim 1, characterized in that the top end of the lifting rod (3) is provided with a buckle (20).
3. A liquid nitrogen tank as claimed in claim 1, wherein a horizontal rotating shaft (10) which is arranged in parallel with the tank body (1) is arranged outside the upper part of the tank body (1), two opposite parallel support plates (12) are connected between the front end and the rear end of the horizontal rotating shaft (10) and the outer side wall of the tank body (1), a shaft sleeve (11) is respectively sleeved at the front end and the rear end of the horizontal rotating shaft (10), one end of the support plate (12) is connected with the shaft sleeve (11), and the other end of the support plate (12) is connected with the outer side wall of the tank body (1);
a connecting rod (13) is arranged between the middle part of the horizontal rotating shaft (10) and the top end of the tank cover, the upper end of the connecting rod (13) is hinged with the top end of the tank cover (2), the lower end of the connecting rod (13) is fixedly connected with the middle part of the horizontal rotating shaft (10), an air cylinder (14) is arranged on the outer side of the tank body (1), and the top end of a piston rod of the air cylinder (14) is hinged with the connecting rod (13).
4. A liquid nitrogen tank as claimed in claim 1, wherein the lower side of the side wall of the cylinder (4) is provided with a pressing mechanism which is symmetrically arranged and is positioned at the side far from the through hole (6).
5. A liquid nitrogen tank as claimed in claim 4, wherein the compressing mechanism comprises a shell (22), a pressing plate (23) and a compression spring (24), wherein the shell (22) is fixed on the outer side of the cylinder (4), the pressing plate (23) is an arc-shaped plate, a sliding rod (25) is arranged at one end of the outer side of the pressing plate (23), the sliding rod (25) penetrates through the shell (22), the compression spring (24) is sleeved on the sliding rod (25), one end of the outer side of the compression spring (24) is in contact with the inner wall of the shell (22), and one end of the inner side of the compression spring (24) is in contact with the pressing plate (23).
6. A liquid nitrogen tank as claimed in claim 5, wherein a rubber pad (26) is sleeved on the pressing plate (23), a groove (28) is arranged at a position corresponding to the pressing plate (23) on the inner wall of the cylinder, and the pressing plate (23) is matched with the groove (28).
7. A liquid nitrogen tank according to claim 5, characterized in that a baffle (27) is provided at one end of the outer side of the slide bar (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910190892.9A CN109730055B (en) | 2019-03-14 | 2019-03-14 | Liquid nitrogen tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910190892.9A CN109730055B (en) | 2019-03-14 | 2019-03-14 | Liquid nitrogen tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109730055A CN109730055A (en) | 2019-05-10 |
| CN109730055B true CN109730055B (en) | 2024-03-26 |
Family
ID=66370311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910190892.9A Active CN109730055B (en) | 2019-03-14 | 2019-03-14 | Liquid nitrogen tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109730055B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113785823B (en) * | 2021-09-14 | 2022-04-05 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Experimental device for accurately cooling by using liquid nitrogen tank and using method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130007438U (en) * | 2012-06-19 | 2013-12-30 | 김용식 | Can compression device |
| CN104443784A (en) * | 2014-11-07 | 2015-03-25 | 中国人民解放军第四军医大学 | Storing and taking device for single sample boxes in liquid nitrogen tank |
| CN105857937A (en) * | 2016-04-28 | 2016-08-17 | 上海原能健康管理有限公司 | Liquid nitrogen cylinder, cryogenic vial storing and fetching device and liquid nitrogen cylinder storing and fetching system |
| CN105857932A (en) * | 2016-04-28 | 2016-08-17 | 上海原能健康管理有限公司 | Liquid nitrogen container and cryogenic vial pick-and-place device |
| CN208273982U (en) * | 2018-06-06 | 2018-12-25 | 成都艾伟孚生物科技有限公司 | A kind of device that ovum freezes |
| CN209677195U (en) * | 2019-03-14 | 2019-11-26 | 山东省农业科学院畜牧兽医研究所 | A kind of liquid nitrogen container |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2664881B1 (en) * | 2012-05-16 | 2015-01-07 | M & R Automation GmbH | Storage device |
-
2019
- 2019-03-14 CN CN201910190892.9A patent/CN109730055B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130007438U (en) * | 2012-06-19 | 2013-12-30 | 김용식 | Can compression device |
| CN104443784A (en) * | 2014-11-07 | 2015-03-25 | 中国人民解放军第四军医大学 | Storing and taking device for single sample boxes in liquid nitrogen tank |
| CN105857937A (en) * | 2016-04-28 | 2016-08-17 | 上海原能健康管理有限公司 | Liquid nitrogen cylinder, cryogenic vial storing and fetching device and liquid nitrogen cylinder storing and fetching system |
| CN105857932A (en) * | 2016-04-28 | 2016-08-17 | 上海原能健康管理有限公司 | Liquid nitrogen container and cryogenic vial pick-and-place device |
| CN208273982U (en) * | 2018-06-06 | 2018-12-25 | 成都艾伟孚生物科技有限公司 | A kind of device that ovum freezes |
| CN209677195U (en) * | 2019-03-14 | 2019-11-26 | 山东省农业科学院畜牧兽医研究所 | A kind of liquid nitrogen container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109730055A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113484098B (en) | Automatic-stopping multipoint sampling machine for pollution monitoring | |
| CN109730055B (en) | Liquid nitrogen tank | |
| CN110455589A (en) | Liquid depth sampler | |
| CN108663362B (en) | Agricultural product detection system and detection method thereof | |
| CN109765070B (en) | Macro biological sampler for diving | |
| CN209677195U (en) | A kind of liquid nitrogen container | |
| CN218372279U (en) | Cell culture solution sampling equipment for research and development | |
| CN209342476U (en) | A kind of device for the transfer of neural tissue slice multisample | |
| CN211793998U (en) | Portable tissue specimen cryopreserving bottle | |
| CN114275300A (en) | Food safety sample storage device | |
| CN209148364U (en) | A kind of wild water sample collection filter device | |
| CN218369135U (en) | Excision sample collection device with compress tightly function | |
| CN219858156U (en) | Anti-pollution storage device for tumor sample sampling | |
| CN221006911U (en) | Sampler for sewage discharge monitoring | |
| CN217505290U (en) | Novel safety sampling bottle | |
| CN110643450A (en) | Fermentation tank | |
| CN218782042U (en) | Liquid food sampling and storing device | |
| CN218879922U (en) | Ultrasonic circulating cooling device | |
| CN217246900U (en) | Extraction tank capable of being cleaned quickly | |
| CN219326766U (en) | Device for collecting and collecting RNA in seawater environment | |
| CN213398505U (en) | Water environment ecological heavy metal pollution monitoring equipment | |
| CN218662954U (en) | Extension preservation system device of removable formalin | |
| CN221280728U (en) | Portable sewage sampling equipment for environment detection | |
| CN219996620U (en) | Toxic substance extraction element in fish body | |
| CN221612688U (en) | Pesticide residue detects uses comparison device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |