CN115338024A - Low temperature tissue grinds appearance convenient to switch two kinds of refrigerants - Google Patents
Low temperature tissue grinds appearance convenient to switch two kinds of refrigerants Download PDFInfo
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- CN115338024A CN115338024A CN202210928209.9A CN202210928209A CN115338024A CN 115338024 A CN115338024 A CN 115338024A CN 202210928209 A CN202210928209 A CN 202210928209A CN 115338024 A CN115338024 A CN 115338024A
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- refrigeration
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- grinding
- refrigeration chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/02—Apparatus for enzymology or microbiology with agitation means; with heat exchange means
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/33—Disintegrators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
Abstract
The invention discloses a low-temperature tissue grinding instrument convenient for switching two refrigerants, which comprises a machine body shell, wherein a grinding cavity and a refrigerating cavity are formed in the machine body shell, a grinding mechanism is arranged in the grinding cavity, and a refrigerating device is arranged in the refrigerating cavity; the refrigerating apparatus includes: the refrigeration box is provided with a square structure, a first refrigeration chamber and a second refrigeration chamber, the first refrigeration chamber and the second refrigeration chamber are arranged in the refrigeration box, communication devices are arranged on the side surfaces of the first refrigeration chamber and the second refrigeration chamber, moving slide ways are arranged on the top and the bottom of the refrigeration box, and the refrigeration box is connected with the moving slide ways in a sliding mode; the invention relates to the technical field of grinding devices, in particular to a heat exchange tube which is of a spiral structure and arranged inside a first refrigeration chamber. This low temperature tissue grinds appearance convenient to switch two kinds of refrigerants, the refrigeration effect is very fast, conveniently improves machining efficiency to it is more convenient to change the refrigerant operation.
Description
Technical Field
The invention relates to the technical field of grinding devices, in particular to a low-temperature tissue grinding instrument convenient for switching two refrigerants.
Background
In the fields of biology, medical treatment and the like, the grinding of living specimens is initially carried out manually, and an operator needs to grind the living specimens like mashed garlic by using a mortar or a pestle, but different from the conventional grinding, in order to keep tissues in a low-temperature state, liquid nitrogen needs to be added into the mortar, so that RNA degradation can be avoided, and the tissues can be kept fragile to facilitate the grinding. Liquid nitrogen is continuously added after the volatilization of the liquid nitrogen is finished until the tissue grinding is finished. The grinder that uses at present uses the compressor to refrigerate usually, because the tissue grinds the time shorter, and compressor refrigeration process is slower, need wait for the compressor refrigeration to certain extent just can grind, and grinding efficiency is lower.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: a low-temperature tissue grinding instrument convenient for switching two refrigerants comprises a machine body shell, wherein a grinding cavity and a refrigerating cavity are formed in the machine body shell, a grinding mechanism is arranged in the grinding cavity, and a refrigerating device is arranged in the refrigerating cavity;
the refrigerating apparatus includes:
the refrigerator comprises a refrigeration box, a first refrigeration chamber and a second refrigeration chamber, wherein the refrigeration box is of a square structure, and the first refrigeration chamber and the second refrigeration chamber are arranged in the refrigeration box;
the heat exchange tube is of a spiral structure, the heat exchange tube is arranged in the first refrigeration chamber, and one end of the heat exchange tube is communicated with a communication device in the first refrigeration chamber;
the hollow pipe is provided with a hollow side face, the hollow pipe is arranged inside the second refrigeration chamber, and one end of the hollow pipe is communicated with a communication device inside the second refrigeration chamber;
the air box penetrates through one side of the air box and is fixedly connected with a heat dissipation fan, a dustproof net is arranged on the heat dissipation fan, and the air box is arranged on one side of the refrigeration box and is fixedly connected with the refrigeration box.
Be provided with refrigerating plant, inside the heat dissipation fan sent into bellows with outside air during the use, inside wind of bellows gets into heat exchange tube or fretwork pipe, when the air gets into inside the heat exchange tube, the inside liquid nitrogen of accessible first refrigeration indoor portion cools off fast the inside air of heat exchange tube when the heat exchange tube is inside to be removed, through refrigerated air through intercommunication device discharge grind the intracavity portion can, when the air gets into the fretwork inside, the air is mixed with the inside air conditioning of second refrigeration indoor portion from the fretwork hole discharge of fretwork pipe side, then get into intercommunication device through the fretwork pipe tip, from inside the discharging to grinding the intracavity portion of intercommunication device, make the air can cool down the operation at the in-process that flows, refrigeration effect is very fast, conveniently improve machining efficiency.
Preferably, the refrigeration box is arranged inside the refrigeration cavity, the side surface of the refrigeration cavity is provided with a vent, and a grid mesh is arranged inside the vent.
Preferably, the heat exchange tube and the hollow tube are communicated with the air box at the ends far away from the communication device, liquid nitrogen is filled in the first refrigeration chamber, and dry ice is filled in the second refrigeration chamber.
Preferably, the communicating device comprises a communicating slide, the communicating hole is formed in the side face of the communicating slide, the communicating slide is connected with the communicating slide in a sliding mode, the first through hole and the second through hole are formed in the communicating slide respectively, arc-shaped extrusion heads are connected to the inner walls of the first through hole and the second through hole in a sliding mode, an air hole is formed in the center of each arc-shaped extrusion head, an extrusion spring is fixedly connected to one side of each arc-shaped extrusion head, one end, far away from each arc-shaped extrusion head, of each extrusion spring is fixedly connected with the communicating slide, when the refrigerant needs to be replaced, the refrigeration box is moved, the refrigeration box drives the communicating slide to move, the communicating slide drives the arc-shaped extrusion heads in the first through hole and the second through hole to move, the arc-shaped extrusion heads in the first through hole can be moved out of the communicating hole, the arc-shaped extrusion heads in the second through hole are inserted into the communicating hole, the hollow pipe and the communicating device can form a passage, cold air in the second refrigeration chamber can enter the grinding cavity through the communicating device, at the second refrigeration chamber, the cold ice can be used as two kinds of cold refrigerants to be used, and can be conveniently replaced only by the dry ice box, and the dry ice box can be conveniently replaced.
Preferably, the communicating slide is fixed on the inner wall of the refrigerating cavity, and the communicating hole penetrates through the refrigerating cavity and is communicated with the inside of the grinding cavity.
Preferably, the side face of the communicating slide bar is fixedly connected with the side face of the refrigeration box, and the first through hole and the second through hole are respectively communicated with the heat exchange tube and the hollow tube.
Preferably, refrigeration case one side fixedly connected with pulling device, pulling device includes elastic telescopic rod, the one end fixedly connected with handle of refrigeration case is kept away from to elastic telescopic rod, the cover is established and fixedly connected with lag on the handle, the lag sets up to down trapezoidal.
Preferably, the elasticity telescopic link is provided with two sets ofly and the symmetric distribution is in bellows both sides, the one end that the elasticity telescopic link is close to the handle runs through the inside bars net of vent and extends to the vent outside, be provided with the pulling device, when needs remove the refrigeration case, the pulling handle, the handle removes and drives the extension of elasticity telescopic link, the handle breaks away from the inside bars net surface of vent gradually this moment, when the handle stimulates to a certain extent, can grasp the handle completely, remove the handle this moment, it can to drive the refrigeration case through the elasticity telescopic link and remove, remove convenient operation, and the handle can contract to the inside bars net surface of vent, conveniently reduce occupation space, avoid the condition of unexpected touching.
Preferably, a temperature probe is arranged in the grinding cavity, a touch control operation board is fixedly connected to the top of the machine body shell, and a control system is arranged in the touch control operation board.
Preferably, heat dissipation fan and temperature probe all with touch-control operation panel electric connection, grind the chamber top and be provided with the upset roof, be provided with temperature probe, when temperature probe detected that the temperature of grinding intracavity portion is higher, send signal for touch-control operation panel, through touch-control operation panel control heat dissipation fan accelerate the rotational speed, carry more cold air to crowd into grinding intracavity portion to make the grinding chamber temperature remain throughout at the temperature of settlement, convenient timely feedback regulation.
The invention provides a low-temperature tissue grinding instrument convenient for switching two refrigerants. The method has the following beneficial effects:
1. this low temperature tissue grinds appearance convenient to switch two kinds of refrigerants, be provided with refrigerating plant, inside the heat dissipation fan sent into bellows with outside air during the use, inside wind of bellows gets into heat exchange tube or fretwork intraduct, when the air gets into inside the heat exchange tube, the inside liquid nitrogen of accessible first refrigeration indoor portion carries out rapid cooling to the inside air of heat exchange tube when the inside removal of heat exchange tube, through refrigerated air through the intercommunication device discharge grind intracavity portion can, when the air gets into inside the fretwork intraduct, the air is discharged from the fretwork hole of fretwork pipe side and is mixed with the inside air conditioning of second refrigeration indoor portion, then get into the intercommunication device through the fretwork pipe tip, from inside the discharging to grinding intracavity portion of intercommunication device, make the air can carry out cooling operation at the in-process that flows, the refrigeration effect is very fast, conveniently improve machining efficiency.
2. This low temperature tissue grinds appearance convenient to switch two kinds of refrigerants, when needs change the refrigerant, remove the refrigeration case, the refrigeration case drives the removal of intercommunication draw runner, the arc extrusion head in intercommunication draw runner drives first through-hole and the second through-hole removes, can shift out the arc extrusion head of first through-hole inside from the intercommunicating pore, insert inside the arc extrusion head in the second through-hole the intercommunicating pore, can form the route with fretwork pipe and intercommunication device, the inside air conditioning of second refrigeration room can get into through the intercommunication device and grind the intracavity portion, use the indoor portion's of second refrigeration dry ice to act as the refrigerant this moment, the device is provided with two kinds of refrigerants and uses, conveniently adapt to different use needs, and only need refrigerate when changing the refrigerant and remove the case can, it is more convenient to change the operation.
3. This low temperature tissue grinds appearance convenient to switch two kinds of refrigerants, be provided with the pulling device, when needs remove the refrigeration case, the pulling handle, the handle removes and drives the extension of elasticity telescopic link, the handle breaks away from the inside grid net surface of vent gradually this moment, when the handle stimulates to a certain extent, can grasp the handle completely, remove the handle this moment, it can to drive the refrigeration case through elasticity telescopic link and remove, remove convenient operation, and the handle can contract to the inside grid net surface of vent, conveniently reduce occupation space, avoid the condition of unexpected touching.
4. This low temperature tissue grinds appearance convenient to switch two kinds of refrigerants is provided with temperature probe, detects when grinding the temperature of intracavity portion higher as temperature probe, and the sending signal gives touch control operating panel, through the radiating fan of touch control operating panel control speed-up, carries more cold air to crowd into grinding intracavity portion to make grinding the temperature of chamber remain throughout at the temperature of settlement, convenient timely feedback control.
Drawings
FIG. 1 is a schematic structural 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 connection structure of the refrigerating apparatus according to the present invention;
FIG. 4 is a schematic view of the refrigerating apparatus according to the present invention;
FIG. 5 is a schematic view of the internal structure of the refrigerating apparatus according to the present invention;
FIG. 6 is a schematic view of the connection structure of the communication device of the present invention;
FIG. 7 is a schematic view of a disassembled structure of the communicating device of the present invention;
FIG. 8 is a schematic view of the pulling device of the present invention.
In the figure: 1. a body housing; 2. a grinding chamber; 3. a refrigeration cavity; 4. a grinding mechanism; 5. turning over the top plate; 6. a refrigeration device; 61. a refrigeration case; 62. a first refrigeration compartment; 63. a second refrigeration compartment; 64. a communication device; 641. the slideway is communicated; 642. a communicating hole; 643. communicating the sliding strips; 644. a first through hole; 645. a second through hole; 646. an arc-shaped extrusion head; 647. air holes; 648. a compression spring; 65. moving the slideway; 66. a heat exchange tube; 67. an air box; 68. a heat dissipation fan; 69. a hollow pipe; 7. a vent; 8. a pulling device; 81. an elastic telescopic rod; 82. a handle; 83. a protective sleeve; 9. a temperature probe; 10. and (5) a touch control operation panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, the present invention provides a technical solution: a low-temperature tissue grinding instrument convenient for switching two refrigerants comprises a machine body shell 1, wherein a grinding cavity 2 and a refrigerating cavity 3 are formed in the machine body shell 1, a grinding mechanism 4 is arranged in the grinding cavity 2, and a refrigerating device 6 is arranged in the refrigerating cavity 3;
the refrigeration apparatus 6 includes:
the refrigerator comprises a refrigeration box 61, wherein the refrigeration box 61 is of a square structure, and a first refrigeration chamber 62 and a second refrigeration chamber 63 which are arranged in the refrigeration box 61, the side surfaces of the first refrigeration chamber 62 and the second refrigeration chamber 63 are respectively provided with a communication device 64, the top and the bottom of the refrigeration box 61 are respectively provided with a movable slide way 65, and the refrigeration box 61 is in sliding connection with the movable slide ways 65;
a heat exchange pipe 66, the heat exchange pipe 66 having a spiral structure, the heat exchange pipe 66 being disposed inside the first cooling chamber 62, one end of the heat exchange pipe 66 being communicated with the communication means 64 inside the first cooling chamber 62;
a hollow pipe 69, the hollow pipe 69 having a hollow side, the hollow pipe 69 being disposed inside the second cooling chamber 63, one end of the hollow pipe 69 being communicated with the communication device 64 inside the second cooling chamber 63;
and an air box 67, wherein a heat radiation fan 68 penetrates through and is fixedly connected with one side of the air box 67, a dustproof net is arranged on the heat radiation fan 68, and the air box 67 is arranged on one side of the refrigeration box 61 and is fixedly connected with the refrigeration box 61.
The refrigeration case 61 is arranged inside the refrigeration cavity 3, the ventilation opening 7 is formed in the side face of the refrigeration cavity 3, and the grid mesh is arranged inside the ventilation opening 7.
The heat exchange tube 66 and the hollow tube 69 are communicated with the air box 67 at the ends far away from the communication device 64, liquid nitrogen is filled in the first refrigeration chamber 62, and dry ice is filled in the second refrigeration chamber 63.
Be provided with refrigerating plant 6, inside heat dissipation fan 68 sent into bellows 67 during the use, inside the inside wind of bellows 67 got into heat exchange tube 66 or fretwork pipe 69, when air gets into inside the heat exchange tube 66, the inside liquid nitrogen of accessible first refrigeration room 63 cooled off the inside air of heat exchange tube 66 fast when the inside removal of heat exchange tube 66, through refrigerated air through intercommunication device 64 emit grind the chamber 2 inside can, when air gets into inside the fretwork pipe 69, the air is mixed with the inside air conditioning of second refrigeration room 63 from the fretwork hole discharge of fretwork pipe 69 side, then get into intercommunication device 64 through the tip of fretwork pipe 69, from intercommunication device 64 inside discharge to grinding the chamber 2 inside, make the air can cool off the operation at the mobile in-process, refrigeration effect is very fast, conveniently improve machining efficiency.
Example two:
referring to fig. 1-7, the present invention provides a technical solution based on the first embodiment: the communicating device 64 comprises a communicating slide 641, a communicating hole 642 is arranged on the side surface of the communicating slide 641, a communicating slide 643 is connected on the inner wall of the communicating slide 641 in a sliding manner, a first through hole 644 and a second through hole 645 are respectively arranged on the communicating slide 643, arc-shaped extrusion heads 646 are respectively connected on the inner walls of the first through hole 644 and the second through hole 645 in a sliding manner, an air hole 647 is arranged at the center position of the arc-shaped extrusion heads 646, an extrusion spring 648 is fixedly connected on one side of the arc-shaped extrusion heads 646, one end of the extrusion spring 648, far away from the arc-shaped extrusion heads 646, is fixedly connected with the communicating slide 643, the communicating slide 641 is fixed on the inner wall of the refrigerating chamber 3, the communicating hole 642 penetrates through the refrigerating chamber 3 and is communicated with the inside of the grinding chamber 2, the side surface of the communicating slide 643 is fixedly connected with the side surface of the refrigerating chamber 61, the first through hole 644 and the second through hole 645 are respectively communicated with the heat exchange tube 66 and the hollowed tube 69, and the communicating device 64 is arranged, when the heat exchange tube 66 is communicated with the inside of the communication device 64, the arc-shaped extrusion head 646 inside the first through hole 644 extends into the communication hole 642, air inside the heat exchange tube 66 enters the communication hole 642 through the first through hole 644 and the air hole 647 and enters the inside of the grinding chamber 2 through the communication hole 642, at this time, liquid nitrogen inside the first refrigeration chamber 62 is used as refrigerant, when the refrigerant needs to be replaced, the refrigeration chamber 61 is moved, the refrigeration chamber 61 drives the communication slide bar 643 to move, the communication slide bar 643 drives the arc-shaped extrusion head 646 in the first through hole 644 and the second through hole 645 to move, namely, the arc-shaped extrusion head 646 inside the first through hole 644 can be moved out of the communication hole 642, the arc-shaped extrusion head 646 in the second through hole 645 is inserted into the communication hole 642, and then the hollow tube 69 and the communication device 64 can form a passage, inside air conditioning of second refrigeration room 63 can get into through intercommunication device 64 and grind inside 2, uses the inside dry ice of second refrigeration room 63 to act as the refrigerant this moment, and the device is provided with two kinds of refrigerants and can select the use, conveniently adapts to different use needs to only need remove refrigeration case 61 during the change refrigerant can, it is more convenient to change the operation.
Example three:
referring to fig. 1-8, the present invention provides a technical solution based on the first embodiment and the second embodiment: refrigeration case 61 one side fixedly connected with pulling device 8, pulling device 8 includes elastic telescopic rod 81, elastic telescopic rod 81 keeps away from the one end fixedly connected with handle 82 of refrigeration case 61, handle 82 goes up the cover and establishes and fixedly connected with lag 83, lag 83 sets up to falling trapezoidally, elastic telescopic rod 81 is provided with two sets ofly and symmetric distribution is in bellows 67 both sides, elastic telescopic rod 81 is close to the one end of handle 82 and runs through the inside bars net of vent 7 and extend to vent 7 outside, be provided with pulling device 8, when needs remove refrigeration case 61, pulling handle 82, handle 82 removes and drives elastic telescopic rod 81 extension, handle 82 breaks away from the inside bars net surface of vent 7 gradually this moment, when handle 82 stimulates to certain degree, can grasp handle 82 completely, remove handle 82 this moment, it can to drive refrigeration case 61 through elastic telescopic rod 81 and remove, remove convenient operation, and handle 82 can contract to the bars net surface inside vent 7, conveniently reduce occupation space, avoid the condition of unexpected touching.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The utility model provides a low temperature tissue grinds appearance convenient to switch two kinds of refrigerants which characterized in that: the machine body comprises a machine body shell (1), wherein a grinding cavity (2) and a refrigerating cavity (3) are formed in the machine body shell (1), a grinding mechanism (4) is arranged in the grinding cavity (2), and a refrigerating device (6) is arranged in the refrigerating cavity (3);
the refrigeration device (6) comprises:
the refrigerator comprises a refrigeration box (61), wherein the refrigeration box (61) is of a square structure, and a first refrigeration chamber (62) and a second refrigeration chamber (63) which are arranged inside the refrigeration box (61), wherein communication devices (64) are arranged on the side surfaces of the first refrigeration chamber (62) and the second refrigeration chamber (63), movable slide ways (65) are arranged on the top and the bottom of the refrigeration box (61), and the refrigeration box (61) is connected with the movable slide ways (65) in a sliding manner;
the heat exchange tube (66), the heat exchange tube (66) has helical structure, the said heat exchange tube (66) is set up in the first refrigeration chamber (62), one end of the said heat exchange tube (66) communicates with the intercommunication device (64) in the first refrigeration chamber (62);
the hollow pipe (69) is provided with a hollow side face, the hollow pipe (69) is arranged inside the second refrigeration chamber (63), and one end of the hollow pipe (69) is communicated with a communication device (64) inside the second refrigeration chamber (63);
bellows (67), this bellows (67) one side run through and fixedly connected with heat dissipation fan (68), be provided with the dust screen on heat dissipation fan (68), bellows (67) set up in refrigeration case (61) one side and with refrigeration case (61) fixed connection.
2. The cryo-tissue grinder facilitating switching between two refrigerants according to claim 1, wherein: refrigeration case (61) sets up inside refrigeration chamber (3), vent (7) have been seted up to refrigeration chamber (3) side, vent (7) inside is provided with the wire netting.
3. The cryogenic tissue grinding apparatus capable of switching between two refrigerants according to claim 1, wherein: the heat exchange tube (66) and the hollow tube (69) are communicated with the air box (67) at one ends far away from the communication device (64), liquid nitrogen is filled in the first refrigeration chamber (62), and dry ice is filled in the second refrigeration chamber (63).
4. The cryogenic tissue grinding apparatus capable of switching between two refrigerants according to claim 1, wherein: the communication device (64) comprises a communication slide (641), a communication hole (642) is formed in the side face of the communication slide (641), a communication slide (643) is connected to the inner wall of the communication slide (641) in a sliding manner, a first through hole (644) and a second through hole (645) are formed in the communication slide (643) respectively, an arc-shaped extrusion head (646) is connected to the inner walls of the first through hole (644) and the second through hole (645) in a sliding manner, an air hole (647) is formed in the center of the arc-shaped extrusion head (646), an extrusion spring (648) is fixedly connected to one side of the arc-shaped extrusion head (646), and one end, far away from the arc-shaped extrusion head (646), of the extrusion spring (648) is fixedly connected with the communication slide (643).
5. The cryogenic tissue grinder capable of switching between two refrigerants according to claim 4, wherein: the communicating slide rail (641) is fixed on the inner wall of the refrigeration cavity (3), and the communicating hole (642) penetrates through the refrigeration cavity (3) and is communicated with the inside of the grinding cavity (2).
6. The cryogenic tissue grinder capable of switching between two refrigerants according to claim 4, wherein: the side surface of the communication sliding strip (643) is fixedly connected with the side surface of the refrigeration box (61), and the first through hole (644) and the second through hole (645) are respectively communicated with the heat exchange tube (66) and the hollow tube (69).
7. The cryo-tissue grinder facilitating switching between two refrigerants according to claim 2, wherein: refrigeration case (61) one side fixedly connected with pulling device (8), pulling device (8) include elastic telescopic rod (81), the one end fixedly connected with handle (82) of refrigeration case (61) are kept away from in elastic telescopic rod (81), handle (82) are gone up the cover and are established and fixedly connected with lag (83), lag (83) set up to fall trapezoidal.
8. The cryo-tissue grinder facilitating switching between two refrigerants according to claim 7, wherein: the elastic telescopic rods (81) are provided with two groups and are symmetrically distributed on two sides of the air box (67), and one end, close to the handle (82), of each elastic telescopic rod (81) penetrates through the grid inside the ventilation opening (7) and extends to the outside of the ventilation opening (7).
9. The cryo-tissue grinder facilitating switching between two refrigerants according to claim 1, wherein: the grinding chamber (2) is internally provided with a temperature probe (9), the top of the machine body shell (1) is fixedly connected with a touch control operation board (10), and a control system is arranged in the touch control operation board (10).
10. The cryo-tissue grinder facilitating switching between two refrigerants according to claim 9, wherein: the heat dissipation fan (68) and the temperature probe (9) are electrically connected with the touch control operation plate (10), and the top of the grinding cavity (2) is provided with a turnover top plate (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210928209.9A CN115338024B (en) | 2022-08-03 | 2022-08-03 | Low temperature tissue grinds appearance convenient to switch two kinds of refrigerants |
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| CN202210928209.9A CN115338024B (en) | 2022-08-03 | 2022-08-03 | Low temperature tissue grinds appearance convenient to switch two kinds of refrigerants |
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| CN115338024B CN115338024B (en) | 2023-04-07 |
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