CN113854282B - Medical low-temperature preservation device - Google Patents

Medical low-temperature preservation device Download PDF

Info

Publication number
CN113854282B
CN113854282B CN202111330501.2A CN202111330501A CN113854282B CN 113854282 B CN113854282 B CN 113854282B CN 202111330501 A CN202111330501 A CN 202111330501A CN 113854282 B CN113854282 B CN 113854282B
Authority
CN
China
Prior art keywords
movable groove
groove
plate
movable
block
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
Application number
CN202111330501.2A
Other languages
Chinese (zh)
Other versions
CN113854282A (en
Inventor
沈泽群
高凤
王姗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Vocational and Technical College
Original Assignee
Hangzhou Vocational and Technical College
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Vocational and Technical College filed Critical Hangzhou Vocational and Technical College
Priority to CN202111330501.2A priority Critical patent/CN113854282B/en
Publication of CN113854282A publication Critical patent/CN113854282A/en
Application granted granted Critical
Publication of CN113854282B publication Critical patent/CN113854282B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N1/00Preservation of bodies of humans or animals, or parts thereof
    • A01N1/02Preservation of living parts
    • A01N1/0236Mechanical aspects
    • A01N1/0263Non-refrigerated containers specially adapted for transporting or storing living parts whilst preserving, e.g. cool boxes, blood bags or "straws" for cryopreservation

Abstract

The invention discloses a medical low-temperature preservation device which comprises a first box body, a second box body arranged on the first box body and a cover plate arranged at the top of the second box body, wherein a first sliding block is arranged on the inner wall of the second box body, and a first sliding groove matched with the first sliding block is arranged on the side wall of the first box body; a first screw rod is arranged in the first box body, a second screw rod is arranged in the second box body, a connecting box is arranged on the side wall of the second box body, a motor for driving the first screw rod to rotate is arranged at the bottom of the first box body, and the motor can drive the second box body to move up and down; a mounting plate matched with the first screw is arranged in the first box body, and a material storage barrel is arranged on the mounting plate; a plurality of universal wheels are arranged at the bottom of the first box body.

Description

Medical low-temperature preservation device
Technical Field
The invention belongs to the technical field of preservation devices, and particularly relates to a medical low-temperature preservation device.
Background
Reproductive medicine keeps often to be used for placing the sperm, ovum and embryo sample in the liquid nitrogen and keeps, ensure the activity, among the prior art, generally all place the sperm, ovum and embryo sample in the test tube, then preserve the test tube in the liquid nitrogen, when preserving the sample, if place the sample in the lower part in the liquid nitrogen jar, then place and take the sample all very inconvenient, if preserve the upper portion of placing the sample in the liquid nitrogen jar, although it is all comparatively convenient to place with the bent sample, but preserve a period of time after, because the volatilization of liquid nitrogen, the sample probably can't soak in the liquid nitrogen completely, lead to the damage of sample, the preservation of sample is comparatively inconvenient.
Disclosure of Invention
The invention provides a medical cryopreservation device in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a medical cryopreservation device comprises a first box body, a second box body arranged on the first box body and a cover plate arranged at the top of the second box body, wherein a first sliding block is arranged on the inner wall of the second box body, and a first sliding groove matched with the first sliding block is arranged on the side wall of the first box body; a first screw rod is arranged in the first box body, a second screw rod is arranged in the second box body, a connecting box is arranged on the side wall of the second box body, a motor for driving the first screw rod to rotate is arranged at the bottom of the first box body, and the motor can drive the second box body to move up and down; a mounting plate matched with the first screw is arranged in the first box body, and a material storage barrel is arranged on the mounting plate; the bottom of the first box body is provided with a plurality of universal wheels; liquid nitrogen is filled in the first box body only; when a specimen is placed into the storage barrel, the second box body is positioned at the top of the first box body, the first screw rod and the second screw rod are connected at the moment, the mounting plate is positioned on the second screw rod, the motor drives the first screw rod to rotate and drives the second screw rod to rotate together, the second screw rod drives the mounting plate to move downwards when rotating, the mounting plate drives the storage barrel to move together, the mounting plate and the storage barrel move together into the first box body, so that the storage barrel is immersed in liquid nitrogen, and the preservation effect on the specimen is ensured; after the mounting plate and the storage barrel move to the bottom of the first box body, the motor drives the second screw rod to enter the connecting box and then drives the second box body to move downwards, and the second box body is sleeved on the first box body, so that the height of the whole preservation device is reduced, the integral gravity center of the preservation device is reduced, and the movement stability of the preservation device is ensured; after the second box body is sleeved on the first box body, the heat preservation effect of the preservation device is further improved, and the preservation of the specimen is facilitated; under the arrangement of the connecting box, the cross section area of the preservation device is increased, the stability of the preservation device is further increased, and the situation that the preservation device topples over is avoided; under the arrangement of the first screw and the second screw, the mounting plate can be conveniently controlled to move up and down, so that the specimen taking difficulty is reduced, and the specimen preservation effect is ensured; the connecting box is acceptd the second screw rod, makes the second screw rod form to be connected with first screw rod as required, satisfies getting of keeping the device and stores the demand, makes the use of keeping the device more convenient.
A third screw rod is arranged in the first sliding groove, a first through hole is formed in the first sliding block, the third screw rod penetrates through the first through hole, a first connecting shaft is arranged in the connecting box, a first connecting plate is arranged on the first connecting shaft, the second screw rod is arranged on the first connecting plate, a first transmission block is arranged at the bottom of the second screw rod, and a first transmission groove matched with the first transmission block is formed in the top of the first screw rod; the connecting box is characterized in that a first movable groove is formed in the inner wall of the connecting box, a sixth push plate is arranged in the first movable groove, a telescopic pipe is arranged at the top of the sixth push plate, and a second connecting plate is arranged on the side wall of the first connecting plate.
A second movable groove and a third movable groove are formed in the inner wall of the first through hole, a first connecting spring is arranged on the inner wall of the second movable groove, a first connecting block is arranged at one end of the first connecting spring, and first threads matched with the third screw are arranged on the first connecting block; and a first driving wheel matched with the third screw rod and a second driving wheel matched with the first driving wheel are arranged in the third movable groove, and when the first sliding block moves to the top of the first sliding groove, the second driving wheel is in transmission fit with the first connecting shaft.
A second through hole is formed in the second driving wheel, a third driving wheel is arranged in the second through hole, a second driving groove is formed in the third driving wheel, a second sliding block is arranged on the side wall of the third driving wheel, a second sliding block matched with the second sliding block is arranged on the inner wall of the second through hole, a second sliding groove matched with the second sliding block is formed in the inner wall of the second through hole, and a first reset spring is arranged on the second sliding block; the bottom of the third movable groove is provided with a fourth movable groove, a first push rod is arranged in the fourth movable groove, and a transmission plate used for pushing the first push rod to move upwards is arranged on the side wall of the fourth movable groove.
A second movable cavity is arranged on the side wall of the first movable cavity, a third connecting plate is arranged on the transmission plate, a third through hole is formed in the top of the second movable cavity, a third movable groove is formed in the inner wall of the third through hole, a second push rod penetrates through the third through hole, a first limiting plate is arranged on the second push rod, and a second reset spring is arranged on the first limiting plate; the first connecting shaft is provided with a first through cavity, a first rotating roller is arranged in the first through cavity, a first transmission shaft is arranged at the bottom of the first rotating roller, and the first transmission shaft penetrates through the third movable groove.
A first cavity communicated with the telescopic pipe is formed in the top of the connecting box, a first push plate is arranged in the first cavity, a third reset spring is arranged on the first push plate, a first threaded hole is formed in the bottom of the first cavity, a first annular groove is formed in the first rotating roller, a fifth movable groove is formed in the inner wall of the first through cavity, a second push plate is arranged in the fifth movable groove, and the second push plate penetrates through the first annular groove; a sixth movable groove is formed in the bottom of the fifth movable groove, a fourth connecting plate is arranged at the bottom of the second push plate, and the fourth connecting plate penetrates through the sixth movable groove; the connecting box is characterized in that a seventh movable groove is arranged at the bottom of the first connecting shaft, a second cavity communicated with the sixth movable groove is formed in the side wall of the seventh movable groove, a third push plate is arranged in the second cavity, a first movable block is arranged in the seventh movable groove, an eighth movable groove corresponding to the seventh movable groove is arranged at the bottom of the connecting box, and the length of the eighth movable groove is smaller than that of the seventh movable groove.
A ninth movable groove is formed in the top of the first connecting shaft, a limiting ring is arranged in the ninth movable groove, a second through cavity communicated with the fifth movable groove is formed in the bottom of the ninth movable groove, a first connecting rod is arranged at the bottom of the limiting ring, a tenth movable groove is formed in the bottom of the first connecting rod, a second connecting rod is arranged in the tenth movable groove, and a second connecting spring is arranged at the top of the second connecting rod; the first connecting plate is provided with a fourth through hole, the inner wall of the fourth through hole is provided with a third sliding block, the first connecting shaft is provided with a third sliding groove matched with the third sliding block, and the third sliding block is provided with a fourth reset spring.
An eleventh movable groove is formed in the inner wall of the first sliding groove, a supporting block is arranged in the eleventh movable groove, a third connecting spring is arranged on the side wall of the supporting block, a twelfth movable groove is formed in the top of the eleventh movable groove, a fourth connecting spring is arranged at the top of the twelfth movable groove, a limiting block is arranged at one end of the fourth connecting spring, and a limiting groove matched with the limiting block is formed in the supporting block; the top of the first sliding groove is provided with a thirteenth movable groove, a third push rod is arranged in the thirteenth movable groove, the top of the third push rod is provided with a fifth connecting spring and a first connecting rope, and one end of the first connecting rope is fixedly connected to the limiting block.
The first sliding block is provided with a fourteenth moving groove, a third through cavity communicated with the second moving groove is formed in the side wall of the fourteenth moving groove, a first push block is arranged in the fourteenth moving groove, a fourth push rod is arranged on the first push block and penetrates through the third through cavity, a fifteenth moving groove is formed in the side wall of the first push block, a sixth connecting spring is arranged on the inner wall of the fifteenth moving groove, one end of the sixth connecting spring is provided with a ratchet plate, a sixteenth moving groove is formed in the first push block, a seventh connecting spring is arranged on the inner wall of the sixteenth moving groove, and a fourth push plate is arranged at one end of the seventh connecting spring.
An eighteenth movable groove is formed in the top of the first sliding groove, a fourth driving wheel is arranged in the eighteenth movable groove, a second connecting rope is arranged on the fourth driving wheel, one end of the second connecting rope is fixedly connected to the supporting block, an eighth connecting spring is arranged at the top of the fourth driving wheel, a second annular groove is formed in the fourth driving wheel, a nineteenth movable groove is formed in the inner wall of the eighteenth movable groove, a fifth push plate is arranged in the nineteenth movable groove, a ninth connecting spring is arranged on the fifth push plate, a third movable cavity is arranged above the eighteenth movable groove, a second movable block is arranged in the third movable cavity, a fifth reset spring is arranged on the side wall of the second movable block, a third connecting rope is arranged at the bottom of the second movable block, and one end of the third connecting rope is fixedly connected to the fifth push plate; the inner wall of the eleventh movable groove is provided with a twentieth movable groove, the inner wall of the twentieth movable groove is provided with a tenth connecting spring, and one end of the tenth connecting spring is provided with a third push block.
The invention has the following advantages: the second box body can be sleeved on the first box body, so that the heat preservation effect of the preservation device is increased, and the preservation of the specimen is facilitated; under the arrangement of the connecting box, the cross section area of the preservation device is increased, the stability of the preservation device is further increased, and the situation that the preservation device topples over is avoided; under the setting of first screw rod and second screw rod, the control mounting panel that can be convenient is the up-and-down motion, guarantees the effect of preserving to the sample when reducing the sample and getting the material degree of difficulty.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view taken along a-a in fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 6 is an enlarged view of fig. 5 at B.
Fig. 7 is an enlarged view of fig. 6 at C.
Fig. 8 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 9 is an enlarged view of fig. 8 at D.
Fig. 10 is an enlarged view of fig. 8 at E.
Fig. 11 is a cross-sectional view taken along line D-D in fig. 2.
Fig. 12 is an enlarged view of fig. 11 at F.
Fig. 13 is an enlarged view at G in fig. 11.
Fig. 14 is a cross-sectional view taken along F-F in fig. 2.
Fig. 15 is an enlarged view of fig. 14 at H.
Fig. 16 is a cross-sectional view taken along G-G in fig. 2.
Fig. 17 is an enlarged view at I in fig. 16.
Fig. 18 is a sectional view taken along H-H in fig. 2.
Fig. 19 is an enlarged view at J in fig. 18.
Fig. 20 is a right side view of the present invention.
Fig. 21 is a cross-sectional view taken along line I-I of fig. 20.
Fig. 22 is an enlarged view at K in fig. 21.
Fig. 23 is an enlarged view at L in fig. 21.
Fig. 24 is an enlarged view of fig. 21 at M.
Fig. 25 is an enlarged view of fig. 21 at N.
Fig. 26 is a cross-sectional view taken along J-J in fig. 20.
Fig. 27 is an enlarged view at O in fig. 26.
Fig. 28 is a cross-sectional view taken along line K-K of fig. 20.
Fig. 29 is an enlarged view at P in fig. 28.
Detailed Description
As shown in fig. 1 to 29, a medical cryopreservation device comprises a first box 1, a second box 2 arranged on the first box 1, and a cover plate 22 arranged at the top of the second box 2, wherein a first slider 23 is arranged on the inner wall of the second box 2, and a first sliding groove matched with the first slider 23 is arranged on the side wall of the first box 1; a first screw 110 is arranged in the first box body 1, a second screw 260 is arranged in the second box body 2, a connecting box 21 is arranged on the side wall of the second box body 2, a motor 150 for driving the first screw 110 to rotate is arranged at the bottom of the first box body 1, and the motor 150 can drive the second box body 2 to move up and down; an installation plate 11 matched with the first screw 110 is arranged in the first box body 1, and a storage barrel 13 is arranged on the installation plate 11; the bottom of the first box body 1 is provided with a plurality of universal wheels; liquid nitrogen is filled in the first box body only; when a specimen is placed into the storage barrel, the second box body is positioned at the top of the first box body, the first screw rod and the second screw rod are connected at the moment, the mounting plate is positioned on the second screw rod, the motor drives the first screw rod to rotate and drives the second screw rod to rotate together, the second screw rod drives the mounting plate to move downwards when rotating, the mounting plate drives the storage barrel to move together, the mounting plate and the storage barrel move together into the first box body, so that the storage barrel is immersed in liquid nitrogen, and the preservation effect on the specimen is ensured; after the mounting plate and the storage barrel move to the bottom of the first box body, the motor drives the second screw rod to enter the connecting box and then drives the second box body to move downwards, and the second box body is sleeved on the first box body, so that the height of the whole preservation device is reduced, the integral gravity center of the preservation device is reduced, and the movement stability of the preservation device is ensured; after the second box body is sleeved on the first box body, the heat preservation effect of the preservation device is further improved, and the preservation of the specimen is facilitated; under the arrangement of the connecting box, the cross section area of the preservation device is increased, the stability of the preservation device is further increased, and the situation that the preservation device topples over is avoided; under the arrangement of the first screw and the second screw, the mounting plate can be conveniently controlled to move up and down, so that the specimen taking difficulty is reduced, and the specimen preservation effect is ensured; the connecting box is acceptd the second screw rod, makes the second screw rod form to be connected with first screw rod as required, satisfies getting of keeping the device and stores the demand, makes the use of keeping the device more convenient.
A third screw 15 is arranged in the first sliding groove, a first through hole is formed in the first sliding block 23, the third screw 15 penetrates through the first through hole, a first connecting shaft 24 is arranged in the connecting box 21, a first connecting plate 25 is arranged on the first connecting shaft 24, the second screw 260 is arranged on the first connecting plate 25, a first transmission block is arranged at the bottom of the second screw 260, and a first transmission groove matched with the first transmission block is formed in the top of the first screw 110; a first movable groove is formed in the inner wall of the connecting box 21, a sixth push plate 26 is arranged in the first movable groove, an extension tube 261 is arranged at the top of the sixth push plate 26, and a second connecting plate 251 is arranged on the side wall of the first connecting plate 25; the third screw rod is matched with the first through hole, the motor drives the third screw rod to rotate, the first sliding block is driven to move in the first sliding groove, the up-and-down movement of the second box body is achieved, the third screw rod is used for controlling the movement of the second box body, the moving speed of the second box body is controlled, the second box body is prevented from impacting the first box body when moving too fast, and the device is protected; after the third screw rod rotates to drive the first sliding block to move to the top of the first sliding groove, the first connecting shaft rotates, the first connecting shaft drives the first connecting plate to rotate, the second screw rod rotates to the position above the first screw rod, the sixth push plate moves downwards to push the second connecting plate to move downwards, the first connecting plate drives the second screw rod to move downwards, the first transmission block is inserted into the first transmission groove, the second screw rod and the first screw rod form transmission fit, the motor drives the first screw rod to rotate and drive the second screw rod to rotate together, the mounting plate drives the storage barrel to move upwards, the mounting plate moves from the first screw rod to the second screw rod, and the storage barrel rises from the first box body to enter the second box body so as to take samples in the storage barrel.
A second movable groove and a third movable groove are formed in the inner wall of the first through hole, a first connecting spring 2311 is arranged on the inner wall of the second movable groove, a first connecting block 231 is arranged at one end of the first connecting spring 2311, and first threads matched with the third screw 15 are arranged on the first connecting block 231; a first driving wheel 28 matched with the third screw 15 and a second driving wheel 240 matched with the first driving wheel 28 are arranged in the third movable groove, and when the first sliding block 23 moves to the top of the first sliding groove, the second driving wheel 240 is in transmission fit with the first connecting shaft 24; when the second box body is driven to move, the first connecting block extends out of the second movable groove, the second connecting block is in contact with the side wall of the third screw rod, and the first sliding block moves in the first sliding groove under the mutual matching of the first thread and the third screw rod, so that the second box body is moved; the third screw is always in contact with the first transmission wheel, when the first slide block moves in the first sliding groove, the second transmission wheel and the first connecting shaft are in a disengaged state, and the first transmission wheel drives the second transmission wheel to be in an idle state; the second screw is positioned in the connecting box; when the first sliding block moves to the top of the first sliding groove, the second driving wheel and the first connecting shaft form transmission fit, the first connecting block enters the second movable groove and is not in contact with the third screw, the third screw rotates to drive the first driving wheel to continue rotating, the second driving wheel drives the first connecting shaft to rotate, the second screw is rotated to the position above the first screw, the second screw is connected to the first screw, and the mounting plate can be lifted from the first box body.
A second through hole is formed in the second driving wheel 240, a third driving wheel 2401 is arranged in the second through hole, a second driving groove is formed in the third driving wheel 2401, a second sliding block 2402 is arranged on the side wall of the third driving wheel 2401, a second sliding groove matched with the second sliding block 2402 is formed in the inner wall of the second through hole, a first return spring 2403 is arranged on the second sliding block 2402; a fourth movable groove is formed in the bottom of the third movable groove, a first push rod 27 is arranged in the fourth movable groove, and a transmission plate 271 used for pushing the first push rod 27 to move upwards is arranged on the side wall of the fourth movable groove; after the first sliding block moves to the top of the first sliding groove, the transmission plate rotates to push the first push rod to move upwards, the first push rod is inserted into the second through hole to push the third transmission wheel to move upwards, the third transmission wheel and the first connecting shaft form transmission fit, and when the third screw drives the first transmission wheel to rotate, the third transmission wheel drives the first connecting shaft to rotate, so that the position of the second screw is adjusted.
A second movable cavity is arranged on the side wall of the first movable cavity, a third connecting plate 272 is arranged on the transmission plate 271, the middle part of the transmission plate is rotatably connected to the inner wall of the first movable cavity, and the bottom end of a second push rod is hinged to the transmission plate; a third through hole is formed in the top of the second movable cavity, a third movable groove is formed in the inner wall of the third through hole, a second push rod 232 penetrates through the third through hole, a first limiting plate 2321 is arranged on the second push rod 232, and a second reset spring 2322 is arranged on the first limiting plate 2321; a first through cavity is formed in the first connecting shaft 24, a first rotating roller 220 is arranged in the first through cavity, a first transmission shaft 2201 is arranged at the bottom of the first rotating roller 220, and the first transmission shaft 2201 penetrates through the third movable groove; after first slider removed first spout top, the second push rod supported at first spout top, the second push rod down-motion for first slider, the down-motion of second push rod promotes the third connecting plate and removes, the driving plate rotates around the tie point, the driving plate promotes first push rod and up-moves, first push rod promotes the third drive wheel and up-moves, first transmission shaft inserts in the second transmission groove, the third drive wheel forms transmission cooperation with first rotor, first rotor contacts with first logical intracavity wall, first rotor drives first connecting axle when rotating and rotates, provide power for the removal of second screw rod, accomplish the connection of first screw rod and second screw rod.
A first cavity communicated with the extension pipe 261 is formed in the top of the connection box 21, a first push plate 270 is arranged in the first cavity, a third return spring 2701 is arranged on the first push plate 270, a first threaded hole is formed in the bottom of the first cavity, a first annular groove is formed in the first rotary roller 220, a fifth movable groove is formed in the inner wall of the first through cavity, a second push plate 243 is arranged in the fifth movable groove, and the second push plate 243 is arranged in the first annular groove in a penetrating mode; a sixth movable groove is formed in the bottom of the fifth movable groove, a fourth connecting plate 244 is arranged at the bottom of the second push plate 243, and the fourth connecting plate 244 penetrates through the sixth movable groove; a seventh movable groove is formed in the bottom of the first connecting shaft 24, a second cavity communicated with the sixth movable groove is formed in the side wall of the seventh movable groove, a third push plate 241 is arranged in the second cavity, a first movable block 2202 is arranged in the seventh movable groove, an eighth movable groove corresponding to the seventh movable groove is formed in the bottom of the connecting box 21, and the length of the eighth movable groove is smaller than that of the seventh movable groove; the first rotating roller drives the first connecting shaft to rotate when rotating, the first movable block moves in the eighth movable groove, the first movable block moves to one end of the eighth movable groove and then abuts against the inner wall of the eighth movable groove, the first rotating roller drives the first connecting shaft to continue rotating, the first movable block moves in the seventh movable groove, the first movable block pushes the third push plate to move, the third push plate extrudes air in the second cavity, air in the second cavity enters the sixth movable groove, the air pressure in the sixth movable groove increases and then pushes the fourth connecting plate to move, the fourth connecting plate drives the second push plate to move upwards together, the second push plate pushes the first rotating roller to move upwards against the top of the first ring groove, the first rotating roller is pushed into the first threaded hole, the top of the first rotating roller is provided with second threads, the second threads are matched with the first threaded hole, when the third driving wheel drives the first rotating roller to rotate, the first rotating roller moves upwards, the first rotating roller pushes the first push plate to move upwards, the first push plate pushes air in the first cavity into the telescopic pipe, the telescopic pipe extends after being inflated to push the sixth push plate to move downwards, the sixth push plate pushes the second connecting plate to move downwards, and the first connecting plate drives the second screw rod to move downwards to complete connection of the second screw rod and the first screw rod; the mutual matching of the first movable block, the seventh movable groove and the eighth movable groove is utilized to control the rotation angle of the first connecting shaft, and the second screw is ensured to stop after rotating to the position above the first screw so as to complete the connection of the first screw and the second screw; first transmission shaft can be telescopic rod structure, makes first transmission shaft bottom be in on the appointed height all the time, guarantees that first change roller can contact with the third drive wheel all the time when rotating to utilize the third drive wheel to provide rotation power for first change roller.
A ninth movable groove is formed in the top of the first connecting shaft, a limiting ring 242 is arranged in the ninth movable groove, a second through cavity communicated with the fifth movable groove is formed in the bottom of the ninth movable groove, a first connecting rod 2421 is arranged at the bottom of the limiting ring 242, a tenth movable groove is formed in the bottom of the first connecting rod 2421, a second connecting rod 2422 is arranged in the tenth movable groove, and a second connecting spring is arranged at the top of the second connecting rod 2422; a fourth through hole is formed in the first connecting plate 25, a third sliding block is arranged on the inner wall of the fourth through hole, a third sliding groove matched with the third sliding block is formed in the first connecting shaft 24, and a fourth reset spring 252 is arranged on the third sliding block; when the second push plate moves in the fifth movable groove, the second connecting rod is pushed to move, the second connecting rod drives the first connecting rod to move, the limiting ring is abutted to the top of the connecting box, the first connecting shaft is fixed by the limiting ring, and therefore when the third screw drives the third driving wheel to rotate reversely, the first rotating roller rotates relative to the first connecting shaft, the first rotating roller is guaranteed to be separated from the first threaded hole and then drives the first connecting shaft to rotate, the situation that the second screw rotates due to the fact that the first driving block is prevented from being blocked by the connection of the first driving block and the first driving groove is avoided, the second screw is collected into the connecting box, and the second box body is made to normally descend; under the setting of second connecting rod and tenth movable groove, make the second push pedal can promote the spacing ring and remove when taking place to remove, guarantee that the third screw rod can drive first commentaries on classics roller earlier and deviate from the first connecting axle rotation again after following first screwed hole completely when the antiport, the normal of back second screw rod resets.
An eleventh movable groove is formed in the inner wall of the first sliding groove, a supporting block 16 is arranged in the eleventh movable groove, a third connecting spring 161 is arranged on the side wall of the supporting block 16, a twelfth movable groove is formed in the top of the eleventh movable groove, a fourth connecting spring 171 is arranged at the top of the twelfth movable groove, a limiting block 17 is arranged at one end of the fourth connecting spring 171, and a limiting groove matched with the limiting block 17 is formed in the supporting block 16; a thirteenth movable groove is formed in the top of the first sliding groove, a third push rod 19 is arranged in the thirteenth movable groove, a fifth connecting spring 191 and a first connecting rope are arranged on the top of the third push rod 19, and one end of the first connecting rope is fixedly connected to the limiting block 17; when the first sliding block moves towards the top of the first sliding groove, the supporting block is located in the eleventh movable groove, the first sliding block moves to the top of the first sliding groove, the first sliding block pushes the third push rod to move, the first connecting rope pulls the limiting block to move out of the limiting groove, the first sliding block is located on one side of the supporting block at the moment, the supporting block is located in the eleventh movable groove, when the first sliding block is moved away from one side of the supporting block, the supporting block stretches out of the eleventh movable groove to be located at the bottom of the first sliding block, the supporting block provides supporting force for the first sliding block, the first sliding block is fixed at the top of the first sliding groove, and the situation that the first sliding block falls when the third screw drives the first connecting shaft is avoided.
A fourteenth moving groove is formed in the first sliding block 23, a third through cavity communicated with the second moving groove is formed in the side wall of the fourteenth moving groove, a first push block 29 is arranged in the fourteenth moving groove, a fourth push rod 291 is arranged on the first push block 29, the fourth push rod 291 is arranged in the third through cavity in a penetrating manner, a fifteenth moving groove is formed in the side wall of the first push block 29, a sixth connecting spring 294 is arranged on the inner wall of the fifteenth moving groove, a ratchet plate 295 is arranged at one end of the sixth connecting spring 294, a sixteenth moving groove is formed in the first push block 29, a seventh connecting spring 293 is arranged on the inner wall of the sixteenth moving groove, a fourth push plate 292 is arranged at one end of the seventh connecting spring 293, a fifth connecting rope is arranged on the side wall of the fourth push plate, and one end of the fifth connecting rope is fixedly connected to the ratchet plate; a fourth movable cavity is arranged on the side wall of the third through cavity, a wire wheel matched with the fourth push rod is arranged in the fourth movable cavity, a fourth connecting rope is arranged on the wire wheel, and one end of the fourth connecting rope is fixedly connected to the first connecting block; the ratchet plate is in an extending state under a normal condition, the ratchet plate is in contact with the inner wall of the fourteenth movable groove, the first push block is fixed, the first push block is prevented from moving to drive the first connecting block to move, the contact effect of the first connecting block and the third screw rod is ensured, and therefore the moving stability of the first sliding block is ensured; first ejector pad stretches out from the fourteenth movable groove, the supporting shoe supports on first ejector pad when stretching out from the fourteenth movable groove, the supporting shoe promotes the fourth push pedal and removes, fifth connection rope pulling ratchet plate removes toward the fifteenth movable groove, ratchet plate and fourteenth movable inslot wall throw off the contact, first ejector pad drives the fourth push rod and removes, fourth push rod drives the rotation of line wheel, the first link of fourth connection rope pulling removes, first link enters into the second movable groove and throw off the contact with the third screw rod, the third screw rod continues to rotate and drives the rotation of third drive wheel, provide power for the rotation of first connecting shaft, so that accomplish the connection of first screw rod and second screw rod.
An eighteenth movable groove is arranged at the top of the first sliding groove, a fourth driving wheel 120 is arranged in the eighteenth movable groove, a second connecting rope is arranged on the fourth driving wheel 120, one end of the second connecting rope is fixedly connected to the supporting block, an eighth connecting spring is arranged at the top of the fourth driving wheel 120, a second annular groove is arranged on the fourth driving wheel 120, a nineteenth movable groove is arranged on the inner wall of the eighteenth movable groove, a fifth push plate 130 is arranged in the nineteenth movable groove, a ninth connecting spring 1301 is arranged on the fifth push plate 130, a third movable cavity is arranged above the eighteenth movable groove, a second movable block 140 is arranged in the third movable cavity, a fifth return spring 1401 is arranged on the side wall of the second movable block 140, a third connecting rope is arranged at the bottom of the second movable block 140, and one end of the third connecting rope is fixedly connected to the fifth push plate 130; a twentieth movable groove is formed in the inner wall of the eleventh movable groove, a tenth connecting spring 181 is arranged on the inner wall of the twentieth movable groove, and a third push block 18 is arranged at one end of the tenth connecting spring 181; the third screw can drive the fourth driving wheel to rotate only when rotating in the direction of driving the first sliding block to move downwards, and the fourth screw cannot drive the fourth driving wheel to rotate when the third screw drives the first sliding block to move upwards; after the specimen is placed, the motor drives the third screw to rotate reversely, the fourth transmission wheel is in contact with the top of the third screw at the moment, the third screw rotates to directly drive the fourth transmission wheel to rotate, the second connecting rope pulls the supporting block to move into the eleventh movable groove, after the supporting block enters the eleventh movable groove, the first connecting block is in contact with the third screw, and the third screw drives the first sliding block to move downwards; when the supporting block enters the eleventh movable groove, the third pushing block is pushed to move, the third pushing block pushes air in the twentieth movable groove into the third movable cavity, the second movable block moves under the action of air pressure, the third connecting rope pulls the fifth pushing plate to move, the fifth pushing plate pushes the fourth driving wheel to move upwards after abutting against the top of the second ring groove, the fourth driving wheel is disengaged from the third screw rod, the third screw rod can continue to rotate, so that the second box body can normally descend, and at the moment, the limiting block is inserted into the limiting groove to fix the supporting block in the eleventh movable groove, so that the supporting block is prevented from blocking the movement of the first sliding block; after the first sliding block moves to the top of the first sliding groove, the supporting block extends out of the eleventh movable groove, the third pushing block extends out of the twentieth movable groove, and the fourth driving wheel moves downwards to be contacted with the third screw again, so that the supporting block can be driven by the fourth driving wheel to enter the eleventh movable groove when the third screw rotates reversely, and the second box body can move normally.
The mounting plate is provided with a second threaded hole matched with the first screw rod, and the mounting plate is driven to move up and down by the matching of the second threaded hole and the first screw rod; the bottom of the mounting plate is provided with a baffle 12, the mounting plate is made of a magnet, the baffle is adsorbed at the bottom of the mounting plate, the baffle is provided with a fifth movable cavity and a plurality of first through grooves, the first through grooves penetrate through the fifth movable cavity, a sealing plate 121 is arranged in the fifth movable cavity, the sealing plate is provided with a plurality of second through grooves, eleventh connecting springs are arranged on the side wall of the sealing plate, a fifth connecting plate 122 is hinged on the side wall of the sealing plate, one end of the fifth connecting plate is hinged with a sixth connecting plate 123, one end of the sixth connecting plate is hinged on the inner wall of the fifth movable cavity, and the mounting plate is provided with a plurality of third through grooves; an opening is formed in the top of the fifth movable cavity, a fifth connecting plate and a sixth connecting plate penetrate through the opening, a fourth through groove corresponding to the opening is formed in the mounting plate, a third connecting block 14 corresponding to the opening is formed in the inner wall of the first box body, and the third connecting block is also made of magnets; when the first screw rod is driven to rotate by the first motor, the mounting plate moves upwards to drive the baffle plate to move upwards together, the first through groove and the second through groove are in an aligned state, liquid nitrogen flows through the first through groove, the second through groove and the third through groove, when the mounting plate moves to the position of the third connecting block, the third connecting block directly passes through the fourth through groove, the third connecting block is inserted into the opening and then pushes the fifth connecting plate and the sixth connecting plate to rotate, the fifth connecting plate and the sixth connecting plate rotate to push the sealing plate to move, the first through groove and the second through groove are staggered, the baffle plate is in a closed state, the third connecting block has a blocking effect on the movement of the baffle plate, the mounting plate continues to move upwards, the baffle plate is adsorbed at the bottom of the third connecting block, the first box body is closed by the baffle plate, and evaporation of the liquid nitrogen in the first box body is reduced; the mounting panel can drive the storage vat and rise in the second box, reduces the degree of difficulty of getting the sample and putting, and the liquid nitrogen is in the closure state when making the sample get simultaneously and putting, effectively reduces the liquid nitrogen loss, for the use reduce cost who keeps the device, promotes the convenience of its use.
The mounting plate is provided with a mounting groove, and the storage barrel is connected in the mounting groove through threads; first bottom half is equipped with the sixth activity chamber, the sixth activity intracavity is located to the motor, first screw bottom is equipped with second transmission shaft 1101, third screw diapire is equipped with third transmission shaft 151, second transmission shaft and third transmission shaft are all worn to locate the sixth activity intracavity, be equipped with fifth drive wheel 1501 on the output shaft of motor, the optional and second transmission shaft or the third transmission shaft of fifth drive wheel form transmission cooperation, thereby realize driving first screw rod or third screw rod pivoted motion, this is prior art, no longer describe herein.
The drawings of the invention are only schematic and the specific dimensions thereof are subject to practical implementation.

Claims (7)

1. A medical cryopreservation apparatus, characterized in that: the device comprises a first box body (1), a second box body (2) arranged on the first box body (1) and a cover plate (22) arranged at the top of the second box body (2), wherein a first sliding block (23) is arranged on the inner wall of the second box body (2), and a first sliding groove matched with the first sliding block (23) is formed in the side wall of the first box body (1); a first screw rod (110) is arranged in the first box body (1), a second screw rod (260) is arranged in the second box body (2), a connecting box (21) is arranged on the side wall of the second box body (2), a motor (150) for driving the first screw rod (110) to rotate is arranged at the bottom of the first box body (1), and the motor (150) can drive the second box body (2) to move up and down; a mounting plate (11) matched with the first screw (110) is arranged in the first box body (1), and a storage barrel (13) is arranged on the mounting plate (11); the bottom of the first box body (1) is provided with a plurality of universal wheels;
a third screw (15) is arranged in the first sliding groove, a first through hole is formed in the first sliding block (23), the third screw (15) penetrates through the first through hole, a first connecting shaft (24) is arranged in the connecting box (21), a first connecting plate (25) is arranged on the first connecting shaft (24), the second screw (260) is arranged on the first connecting plate (25), a first transmission block is arranged at the bottom of the second screw (260), and a first transmission groove matched with the first transmission block is formed in the top of the first screw (110); a first movable groove is formed in the inner wall of the connecting box (21), a sixth push plate (26) is arranged in the first movable groove, an extension pipe (261) is arranged at the top of the sixth push plate (26), and a second connecting plate (251) is arranged on the side wall of the first connecting plate (25);
a second movable groove and a third movable groove are formed in the inner wall of the first through hole, a first connecting spring (2311) is arranged on the inner wall of the second movable groove, a first connecting block (231) is arranged at one end of the first connecting spring (2311), and first threads matched with the third screw (15) are arranged on the first connecting block (231); a first driving wheel (28) matched with the third screw (15) and a second driving wheel (240) matched with the first driving wheel (28) are arranged in the third movable groove, and when the first sliding block (23) moves to the top of the first sliding groove, the second driving wheel (240) is in transmission fit with the first connecting shaft (24);
a second through hole is formed in the second driving wheel (240), a third driving wheel (2401) is arranged in the second through hole, a second driving groove is formed in the third driving wheel (2401), a second sliding block (2402) is arranged on the side wall of the third driving wheel (2401), a second sliding block (2402) matched with the second sliding block (2402) is arranged on the inner wall of the second through hole, a second sliding groove matched with the second sliding block (2402) is formed in the inner wall of the second through hole, and a first return spring (2403) is arranged on the second sliding block (2402); a fourth movable groove is formed in the bottom of the third movable groove, a first push rod (27) is arranged in the fourth movable groove, and a transmission plate (271) used for pushing the first push rod (27) to move upwards is arranged on the side wall of the fourth movable groove;
a second threaded hole matched with the first screw rod (110) is formed in the mounting plate (11), and the mounting plate (11) is driven to move up and down by the matching of the second threaded hole and the first screw rod (110); the bottom of the mounting plate (11) is provided with a baffle (12), the mounting plate (11) is made of a magnet, the baffle (12) is adsorbed at the bottom of the mounting plate (11), the baffle (12) is provided with a fifth movable cavity and a plurality of first through grooves, the first through grooves penetrate through the fifth movable cavity, a sealing plate (121) is arranged in the fifth movable cavity, the sealing plate (121) is provided with a plurality of second through grooves, the side wall of the sealing plate (121) is provided with an eleventh connecting spring, the side wall of the sealing plate (121) is also hinged with a fifth connecting plate (122), one end of the fifth connecting plate (122) is hinged with a sixth connecting plate (123), one end of the sixth connecting plate (123) is hinged on the inner wall of the fifth movable cavity, and the mounting plate (11) is provided with a plurality of third through grooves; an opening is formed in the top of the fifth movable cavity, a fifth connecting plate (122) and a sixth connecting plate (123) are arranged in the opening in a penetrating mode, a fourth through groove corresponding to the opening is formed in the mounting plate (11), a third connecting block (14) corresponding to the opening is arranged on the inner wall of the first box body (1), and the third connecting block (14) is also made of magnets.
2. The medical cryopreservation apparatus as claimed in claim 1, wherein: a second movable cavity is arranged on the side wall of the first movable cavity, a third connecting plate (272) is arranged on the transmission plate (271), a third through hole is formed in the top of the second movable cavity, a third movable groove is formed in the inner wall of the third through hole, a second push rod (232) penetrates through the third through hole, a first limiting plate (2321) is arranged on the second push rod (232), and a second reset spring (2322) is arranged on the first limiting plate (2321); the first connecting shaft (24) is provided with a first through cavity, a first rotating roller (220) is arranged in the first through cavity, a first transmission shaft (2201) is arranged at the bottom of the first rotating roller (220), and the first transmission shaft (2201) penetrates through the third movable groove.
3. The medical cryopreservation apparatus as claimed in claim 2, wherein: the top of the connecting box (21) is provided with a first cavity communicated with the extension tube (261), a first push plate (270) is arranged in the first cavity, a third reset spring (2701) is arranged on the first push plate (270), a first threaded hole is formed in the bottom of the first cavity, a first annular groove is formed in the first rotating roller (220), a fifth movable groove is formed in the inner wall of the first through cavity, a second push plate (243) is arranged in the fifth movable groove, and the second push plate (243) penetrates through the first annular groove; a sixth movable groove is formed in the bottom of the fifth movable groove, a fourth connecting plate (244) is arranged at the bottom of the second push plate (243), and the fourth connecting plate (244) penetrates through the sixth movable groove; the connecting box is characterized in that a seventh movable groove is formed in the bottom of the first connecting shaft (24), a second cavity communicated with the sixth movable groove is formed in the side wall of the seventh movable groove, a third push plate (241) is arranged in the second cavity, a first movable block (2202) is arranged in the seventh movable groove, an eighth movable groove corresponding to the seventh movable groove is formed in the bottom of the connecting box (21), and the length of the eighth movable groove is smaller than that of the seventh movable groove.
4. The cryopreservation apparatus for medical purposes as claimed in claim 3, wherein: a ninth movable groove is formed in the top of the first connecting shaft (24), a limiting ring (242) is arranged in the ninth movable groove, a second through cavity communicated with the fifth movable groove is formed in the bottom of the ninth movable groove, a first connecting rod (2421) is arranged at the bottom of the limiting ring (242), a tenth movable groove is formed in the bottom of the first connecting rod (2421), a second connecting rod (2422) is arranged in the tenth movable groove, and a second connecting spring is arranged at the top of the second connecting rod (2422); the first connecting plate (25) is provided with a fourth through hole, the inner wall of the fourth through hole is provided with a third sliding block, the first connecting shaft (24) is provided with a third sliding groove matched with the third sliding block, and the third sliding block is provided with a fourth reset spring (252).
5. The medical cryopreservation apparatus as claimed in claim 1, wherein: an eleventh movable groove is formed in the inner wall of the first sliding groove, a supporting block (16) is arranged in the eleventh movable groove, a third connecting spring (161) is arranged on the side wall of the supporting block (16), a twelfth movable groove is formed in the top of the eleventh movable groove, a fourth connecting spring (171) is arranged at the top of the twelfth movable groove, a limiting block (17) is arranged at one end of the fourth connecting spring (171), and a limiting groove matched with the limiting block (17) is formed in the supporting block (16); the first spout top is equipped with the thirteenth activity groove, be equipped with third push rod (19) in the thirteenth activity groove, third push rod (19) top is equipped with fifth coupling spring (191) and first connecting rope, first connecting rope one end link firmly in on stopper (17).
6. The medical cryopreservation apparatus of claim 5, wherein: the novel push-pull mechanism is characterized in that a fourteenth movable groove is formed in the first sliding block (23), a third through cavity communicated with the second movable groove is formed in the side wall of the fourteenth movable groove, a first push block (29) is arranged in the fourteenth movable groove, a fourth push rod (291) is arranged on the first push block (29), the fourth push rod (291) penetrates through the third through cavity, a fifteenth movable groove is formed in the side wall of the first push block (29), a sixth connecting spring (294) is arranged on the inner wall of the fifteenth movable groove, a ratchet plate (295) is arranged at one end of the sixth connecting spring (294), a sixteenth movable groove is formed in the first push block (29), a seventh connecting spring (293) is arranged on the inner wall of the sixteenth movable groove, and a fourth push plate (292) is arranged at one end of the seventh connecting spring (293).
7. The medical cryopreservation apparatus of claim 6, wherein: an eighteenth movable groove is arranged at the top of the first sliding groove, a fourth driving wheel (120) is arranged in the eighteenth movable groove, a second connecting rope is arranged on the fourth driving wheel (120), one end of the second connecting rope is fixedly connected to the supporting block (16), an eighth connecting spring is arranged at the top of the fourth driving wheel (120), a second annular groove is arranged on the fourth driving wheel (120), a nineteenth movable groove is arranged on the inner wall of the eighteenth movable groove, a fifth push plate (130) is arranged in the nineteenth movable groove, a ninth connecting spring (1301) is arranged on the fifth push plate (130), a third movable cavity is arranged above the eighteenth movable groove, a second movable block (140) is arranged in the third movable cavity, a fifth reset spring (1401) is arranged on the side wall of the second movable block (140), and a third connecting rope is arranged at the bottom of the second movable block (140), one end of the third connecting rope is fixedly connected to the fifth push plate (130); be equipped with the twentieth activity groove on the eleventh activity inslot wall, be equipped with tenth connecting spring (181) on the twentieth activity inslot wall, tenth connecting spring (181) one end is equipped with third ejector pad (18).
CN202111330501.2A 2021-11-11 2021-11-11 Medical low-temperature preservation device Active CN113854282B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111330501.2A CN113854282B (en) 2021-11-11 2021-11-11 Medical low-temperature preservation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111330501.2A CN113854282B (en) 2021-11-11 2021-11-11 Medical low-temperature preservation device

Publications (2)

Publication Number Publication Date
CN113854282A CN113854282A (en) 2021-12-31
CN113854282B true CN113854282B (en) 2022-05-31

Family

ID=78987816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111330501.2A Active CN113854282B (en) 2021-11-11 2021-11-11 Medical low-temperature preservation device

Country Status (1)

Country Link
CN (1) CN113854282B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207031416U (en) * 2017-07-24 2018-02-23 江苏中聚检测服务有限公司 A kind of biochemical cultivation case
CN207595668U (en) * 2017-12-05 2018-07-10 邓巧 A kind of stem cell sample storage box
CN109018655A (en) * 2018-09-29 2018-12-18 刘维枫 A kind of chemical reagent underground storage cabinet
CN208828326U (en) * 2018-08-27 2019-05-07 苏州徽龙转移印花有限公司 Storage box device is used in a kind of weaving
CN110055179A (en) * 2019-06-06 2019-07-26 杭州迦楠生物科技有限公司 A kind of bioengineering carbon dioxide incubator
CN110791430A (en) * 2019-12-02 2020-02-14 浙江大学 High-quality cow and sheep oocyte incubator based on embryo in vitro culture technology
CN211677847U (en) * 2020-02-12 2020-10-16 河南省人民医院 Sample device is deposited to intraepithelial neoplasia of cervix uteri
WO2021128302A1 (en) * 2019-12-27 2021-07-01 唐山哈船科技有限公司 Biological sample raising apparatus for marine exploration

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207031416U (en) * 2017-07-24 2018-02-23 江苏中聚检测服务有限公司 A kind of biochemical cultivation case
CN207595668U (en) * 2017-12-05 2018-07-10 邓巧 A kind of stem cell sample storage box
CN208828326U (en) * 2018-08-27 2019-05-07 苏州徽龙转移印花有限公司 Storage box device is used in a kind of weaving
CN109018655A (en) * 2018-09-29 2018-12-18 刘维枫 A kind of chemical reagent underground storage cabinet
CN110055179A (en) * 2019-06-06 2019-07-26 杭州迦楠生物科技有限公司 A kind of bioengineering carbon dioxide incubator
CN110791430A (en) * 2019-12-02 2020-02-14 浙江大学 High-quality cow and sheep oocyte incubator based on embryo in vitro culture technology
WO2021128302A1 (en) * 2019-12-27 2021-07-01 唐山哈船科技有限公司 Biological sample raising apparatus for marine exploration
CN211677847U (en) * 2020-02-12 2020-10-16 河南省人民医院 Sample device is deposited to intraepithelial neoplasia of cervix uteri

Also Published As

Publication number Publication date
CN113854282A (en) 2021-12-31

Similar Documents

Publication Publication Date Title
CN110787856A (en) Reagent storage facilities
CN106404511A (en) Sampling and freezing apparatus for biological sample
CN107560901A (en) A kind of more rotor air quality sampling unmanned planes
CN113854282B (en) Medical low-temperature preservation device
CN207342245U (en) A kind of rapid equipment of crystallisation by cooling of chemistry chemical solution
CN109122246A (en) A kind of integration unit for contaminated soil remediation improvement
CN212149724U (en) Collection device convenient to sewage sampling
CN114560165A (en) Semen sample low temperature freezing save set
CN107897049A (en) A kind of hardship honey cultivation equipment
CN208302254U (en) A kind of extractor for pharmacy
CN213222257U (en) Water sample save set is used in operation matter control of surface water
CN114617115B (en) Agricultural fruit tree insect expelling device and using method thereof
CN218837754U (en) Adjustable liquid nitrogen container sample fishing device that drops
CN113832002B (en) A shake incubator for bacterial cultivation
CN218654564U (en) Fixing device is deposited to sample liquid nitrogen freezing
CN220393271U (en) Single-row type frozen storage tube cover opening machine
CN113797989B (en) Biological experiment vessel sample adding machine for biotechnology
CN214406624U (en) Medical science inspection dyeing sample preserves refrigerator-freezer
CN211512027U (en) Medical screw extractor
CN218165990U (en) Evaporation equipment is used in production of crystallization fructose
CN111437893B (en) Reagent keeps cabinet convenient to get reagent
CN219047148U (en) Sperm freezing descent control device
CN219574133U (en) Microplate sampling device
CN204811681U (en) Novel freezing seminal fluid riser
CN215983420U (en) Low-temperature storage box convenient to move

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