CN218654564U - Fixing device is deposited to sample liquid nitrogen freezing - Google Patents
Fixing device is deposited to sample liquid nitrogen freezing Download PDFInfo
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- CN218654564U CN218654564U CN202222210190.2U CN202222210190U CN218654564U CN 218654564 U CN218654564 U CN 218654564U CN 202222210190 U CN202222210190 U CN 202222210190U CN 218654564 U CN218654564 U CN 218654564U
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- barrel
- liquid nitrogen
- spout
- fixing device
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Abstract
The utility model discloses a sample liquid nitrogen freezes deposits fixing device, including barrel and peg, be provided with the peg on the outer wall of barrel, spout one has been seted up along upper and lower direction to the outer wall of barrel, a plurality of spacing groove has been seted up along left right direction to equidistant edge of side of spout one, the draw-in groove has been seted up to the lower surface of spacing groove, the inner chamber bottom of barrel is provided with the one end of spring, the other end of spring is provided with ventilative board, spout two has been seted up on ventilative board's the outer wall, the inner chamber of spout two is embedded to have the slidable ball, the outer wall of ball is provided with the cylinder pole, the outer wall of spacing groove is extended to the other end of cylinder pole, the top of ventilative board is provided with a fixed establishment at least. The utility model discloses utilize fixed establishment can fix the sample of equidimension not, can fix the sample in the barrel, conveniently take out the sample, improved the security.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically be a sample liquid nitrogen freezes deposits fixing device.
Background
In the field of medical scientific research, the cryopreservation of biological samples needs to be stored in a liquid nitrogen tank, for example, cells are stored in liquid nitrogen (-196 ℃), the cells can be temporarily separated from a growth state, and the cells are revived when needed, and a liquid nitrogen lifting barrel is a common apparatus device for cryopreservation of liquid nitrogen and generally consists of a barrel-shaped container and a hanging rod;
at present place the experimental sample in the liquid nitrogen pail, then put into the liquid nitrogen together and freeze the experiment, take out from the liquid nitrogen container at last, the problem that exists at present is:
(1) The sample and the device are put into a liquid nitrogen tank together and can be inclined, turned over or overturned, and even put into the liquid nitrogen and can come out of the device;
(2) When the sample is taken out by a clamp or tweezers after the experiment is finished, the bottom end of the sample in the barrel is easy to touch the wall or the rod of the device, and the temperature is too low to hurt the hands of the experimenter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sample liquid nitrogen freezes deposits fixing device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a specimen liquid nitrogen freezing and fixing device comprises a barrel and a hanging rod, wherein the hanging rod is arranged on the outer wall of the barrel, a first sliding groove is formed in the outer wall of the barrel along the vertical direction, a plurality of limiting grooves are formed in the side surface of the first sliding groove at equal intervals along the left-right direction, clamping grooves are formed in the lower surfaces of the limiting grooves, one end of a spring is arranged at the bottom end of an inner cavity of the barrel, a ventilating plate is arranged at the other end of the spring, a second sliding groove is formed in the outer wall of the ventilating plate, a slidable ball is embedded in the inner cavity of the second sliding groove, and a cylindrical rod is arranged on the outer wall of the ball;
the other end of the cylindrical rod extends out of the outer wall of the limiting groove, the cylindrical rod can move along the first sliding groove and can move to the inner cavity of the limiting groove, and the cylindrical rod can be driven to move to the inner cavity of the clamping groove under the action of the spring;
in order to fix the sample, the top end of the air-permeable plate is provided with at least one fixing mechanism.
Preferably, the outer wall of the ventilation plate is in contact with the inner wall of the cylinder.
Preferably, the outer wall of the cylindrical rod is in contact with the first sliding groove and the inner wall of the limiting groove, and the cylindrical rod is matched with the limiting groove.
Preferably, the fixing mechanism comprises a limiting plate, a torsion spring, a fixing rod, a pull rope and a square block;
the one end of limiting plate can the pivoted setting in the top of breather plate through round pin axle, the contained angle department of limiting plate and breather plate is provided with the torsional spring, the other end of limiting plate is provided with the dead lever, and the side is provided with the one end of stay cord, the other end of stay cord runs through the outer wall of barrel and is provided with the square.
The pull rope is pulled outwards under the action of external force to enable the limiting plate to rotate anticlockwise, and when the external force disappears, the limiting plate is enabled to rotate clockwise under the action of the torsion spring.
Preferably, in order to carry out spacing to the stay cord, fixed establishment still includes two spacing pulleys, two spacing pulley sets up in the outer wall of barrel, and the stay cord is located between two spacing pulleys.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model can fix samples with different sizes by using the fixing mechanism, and can fix the samples in the cylinder body, thereby avoiding the samples from inclining, turning over or overturning in the liquid nitrogen tank;
(2) The utility model discloses a cylinder pole removes can removing the gas permeable plate in spout one to adjust the height of gas permeable plate, utilize the cooperation of spring, spacing groove and draw-in groove to fix the gas permeable plate, not only can adjust according to unidimensional sample, stir the cylinder pole with clip or tweezers and can make the gas permeable plate rebound after the experiment is accomplished in addition, conveniently take out the sample, improved the security.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a schematic structural view of the air permeable plate of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 4 according to the present invention.
In the figure: 1. the device comprises a barrel, 2, a hanging rod, 3, first sliding grooves, 4, a limiting groove, 5, a clamping groove, 6, a ventilating plate, 7, a cylindrical rod, 8, second sliding grooves, 9, a ball, 10, a spring, 11, a limiting plate, 12, a torsion spring, 13, a fixing rod, 14, a pull rope, 15, a square block, 16 and a limiting pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: a specimen liquid nitrogen freezing and fixing device comprises a cylinder body 1 and a hanging rod 2, wherein the hanging rod 2 is arranged on the outer wall of the cylinder body 1;
in the embodiment, the hanging rod 2 can be hung in a liquid nitrogen tank;
the outer wall of the barrel body 1 is provided with a first sliding groove 3 along the vertical direction, the side surface of the first sliding groove 3 is provided with a plurality of limiting grooves 4 at equal intervals along the left-right direction, and the lower surfaces of the limiting grooves 4 are provided with clamping grooves 5;
in the embodiment, the number of the limiting grooves 4 is six, and the cylindrical rod 7 can be moved to the limiting grooves 4 at different positions so as to adjust the position of the ventilation plate 6;
one end of a spring 10 is arranged at the bottom end of the inner cavity of the cylinder body 1;
in the embodiment, the spring 10 can be used for limiting the cylindrical rod 7, or the air-permeable plate 6 can be urged to move upwards under the action of the spring 10;
the other end of the spring 10 is provided with a ventilating plate 6, and the outer wall of the ventilating plate 6 is contacted with the inner wall of the cylinder 1;
in the embodiment, when the air-permeable plate 6 moves into the limiting groove 4 at the bottommost end, a certain distance is formed between the air-permeable plate 6 and the bottom end of the inner cavity of the cylinder 1, so that liquid nitrogen is contained in the distance, and the bottom of a sample is ensured to be contacted with the liquid nitrogen;
the outer wall of the ventilation plate 6 is provided with a second sliding groove 8, a slidable ball 9 is embedded in the inner cavity of the second sliding groove 8, the outer wall of the ball 9 is provided with a cylindrical rod 7, the other end of the cylindrical rod 7 extends out of the outer wall of the limiting groove 4, the outer wall of the cylindrical rod 7 is in contact with the first sliding groove 3 and the inner wall of the limiting groove 4, and the cylindrical rod 7 is matched with the limiting groove 4;
in this embodiment, the cylindrical rod 7 can drive the ball 9 to move in the second sliding groove 8 to the limiting grooves 4 at different positions;
the top of ventilative board 6 is provided with a fixed establishment at least, and when fixed establishment was one, utilize one side of fixed establishment fixed sample, the opposite side of sample and the inner wall contact of barrel 1, when fixed establishment's quantity was two, two fixed establishment set up relatively, can fix the sample between two fixed establishment, when fixed establishment was four, can fix the sample between four fixed establishment.
The fixing mechanism comprises a limiting plate 11, a torsion spring 12, a fixing rod 13, a pull rope 14, a square 15 and a limiting pulley 16;
one end of a limiting plate 11 is rotatably arranged at the top end of the breathable plate 6 through a pin shaft, a torsion spring 12 is arranged at an included angle between the limiting plate 11 and the breathable plate 6, a fixing rod 13 is arranged at the other end of the limiting plate 11, one end of a pull rope 14 is arranged on the side face of the limiting plate, the other end of the pull rope 14 penetrates through the outer wall of the barrel 1 and is provided with a square block 15, two limiting pulleys 16 are arranged on the outer wall of the barrel 1, and the pull rope 14 is positioned between the two limiting pulleys 16;
in this embodiment, when the cylinder 1 is made of an adsorptive material, the block 15 is made of a magnet, so that the block can be adsorbed on the outer wall of the cylinder 1 to facilitate fixing;
in the embodiment, when the pull rope 14 is pulled, the limit plate 11 can be driven to rotate anticlockwise to form a gap with the inner wall of the barrel 1, a sample is placed in the gap, and after the pull rope is pulled loosely, the fiberboard 11 can rotate clockwise under the action of the torsion spring 12 so as to fix the sample by using the fixing rod 13;
in this embodiment, the outer wall of dead lever 13 can wrap up rubber, can protect the sample, and dead lever 13 can pivoted through the round pin axle set up or fixed the setting all can.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
The cylindrical rod 7 is located at the topmost end of the first sliding groove 3 in an initial state, the square 15 is pulled to enable the limiting plate 11 to rotate anticlockwise, a sample is placed at the top end of the ventilating plate 6, the square 15 which is slowly loosened rotates clockwise under the acting force of the torsion spring 12 to enable the fixing rod 13 to be in contact with the sample, the other side face of the sample is in contact with the inner wall of the barrel 1, the sample is clamped between the fixing rod 13 and the inner wall of the barrel 1 to be fixed, the cylindrical rod 7 which is moved downwards drives the ventilating plate 6 to move downwards to extrude the spring 10 until the sample moves to a proper position of the inner cavity of the barrel 1, the spherical ball 9 is enabled to move in the second sliding groove 8 by rotating the cylindrical rod 7 until the cylindrical rod 7 moves to the upper portion of the clamping groove 5, the cylindrical rod 7 which is loosened enables the cylindrical rod 7 to move into the clamping groove 5 under the acting force of the spring 10 to enable the cylindrical rod 7 to be fixed, when the sample needs to be taken out, the tweezers, the cylindrical rod 7 is enabled to move upwards by utilizing a clamp or shifting the cylindrical rod 7 to enable the cylindrical rod to move into the first sliding groove 3, and the tweezers can be moved upwards under the acting force of the spring 10, and the sample can be conveniently taken out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a sample liquid nitrogen freezes deposits fixing device, includes barrel (1) and peg (2), be provided with peg (2) on the outer wall of barrel (1), its characterized in that, spout (3) have been seted up along upper and lower direction to the outer wall of barrel (1), a plurality of spacing groove (4) have been seted up along left right direction to the equidistant side of spout (3), draw-in groove (5) have been seted up to the lower surface of spacing groove (4), the inner chamber bottom of barrel (1) is provided with the one end of spring (10), the other end of spring (10) is provided with ventilative board (6), spout two (8) have been seted up on the outer wall of ventilative board (6), the inner chamber of spout two (8) is embedded to have ball slidable (9), the outer wall of ball (9) is provided with cylinder pole (7), the outer wall of spacing groove (4) extends to the other end of cylinder pole (7), the top of ventilative board (6) is provided with a fixed establishment at least.
2. The specimen liquid nitrogen cryopreservation fixing device according to claim 1, characterized in that: the outer wall of the ventilation plate (6) is in contact with the inner wall of the cylinder body (1).
3. The specimen liquid nitrogen cryopreservation fixing device according to claim 1, characterized in that: the outer wall of cylinder pole (7) contacts with the inner wall of spout one (3) and spacing groove (4), and cylinder pole (7) and spacing groove (4) phase-match.
4. The specimen liquid nitrogen cryopreservation fixing device according to claim 1, characterized in that: the fixing mechanism comprises a limiting plate (11), a torsion spring (12), a fixing rod (13), a pull rope (14) and a square block (15);
the one end of limiting plate (11) can be pivoted through the round pin axle and set up in the top of ventilative board (6), the contained angle department of limiting plate (11) and ventilative board (6) is provided with torsional spring (12), the other end of limiting plate (11) is provided with dead lever (13), and the side is provided with the one end of stay cord (14), the outer wall that the other end of stay cord (14) runs through barrel (1) is provided with square (15).
5. The specimen liquid nitrogen cryopreservation fixing device according to claim 4, characterized in that: the fixing mechanism further comprises two limiting pulleys (16), the two limiting pulleys (16) are arranged on the outer wall of the barrel body (1), and the pull rope (14) is located between the two limiting pulleys (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222210190.2U CN218654564U (en) | 2022-08-22 | 2022-08-22 | Fixing device is deposited to sample liquid nitrogen freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222210190.2U CN218654564U (en) | 2022-08-22 | 2022-08-22 | Fixing device is deposited to sample liquid nitrogen freezing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218654564U true CN218654564U (en) | 2023-03-21 |
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ID=85554999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222210190.2U Active CN218654564U (en) | 2022-08-22 | 2022-08-22 | Fixing device is deposited to sample liquid nitrogen freezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218654564U (en) |
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2022
- 2022-08-22 CN CN202222210190.2U patent/CN218654564U/en active Active
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