CN110530087A - A kind of deepfreeze case - Google Patents

Abstract

The invention relates to the technical field of low-temperature storage, in particular to a low-temperature refrigerator, which includes a shell, a test tube fixture and a test tube rack, the test tube fixture is detachably assembled on the shell, and the test tube rack is movable Disassemble one end connected to the test tube fixture; the housing is used to accommodate the test tube fixture, the test tube fixture is used to place the test tube rack and to place and fix the external test tube, and the test tube rack is used to place and fix External test tube. The low-temperature refrigerator of the present invention solves the problem of inconvenience in taking, placing and transporting test tubes during experiments due to the inability to disassemble the test tube rack.

Description

low temperature refrigerator

technical field

The invention relates to the technical field of low-temperature preservation, in particular to a low-temperature refrigerator.

Background technique

Laboratory staff will need to carry cells, tissues, RNA, etc. to other laboratories for further experiments during the experiment. These tissues need to be stored at low temperatures such as 4 degrees or minus 20 degrees to maintain their activity. Laboratory commonly used liquid nitrogen soaked test tubes for temporary storage and transfer. The test tube rack for placing test tubes on the existing low-temperature refrigerator cannot be disassembled, which brings inconvenience when taking and placing test tubes and transferring test tubes during experiments.

Contents of the invention

In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a low-temperature refrigerator, which solves the problem of inconvenience in taking and transferring test tubes during experiments due to the inability to disassemble the test tube rack.

The present invention is achieved through the following technical solutions:

A low-temperature refrigerator, comprising a shell, a test tube fixture and a test tube rack, the test tube fixture is detachably assembled to the shell, and the test tube rack is movably detachably connected to one end of the test tube fixture; the shell is used The test tube fixture is used for placing the test tube holder and for placing and fixing the external test tubes, and the test tube holder is used for placing and fixing the external test tubes.

Wherein, the housing includes a base, an upper cover and a storage basin, the base is provided with a storage cavity, and the storage basin is detachably assembled in the storage cavity; the upper end of the storage cavity is connected with a cover groove, and the The upper cover is arranged in the cover groove.

Wherein, two ends of the base are respectively provided with handles; one side of the base is provided with a storage slot for placing tweezers.

Wherein, the low-temperature refrigerator further includes several magnetic placement parts for placing the upper cover, and one side of the base is provided with magnetic parts for absorbing the magnetic placement parts.

Wherein, the test tube fixture includes a fixture body, and the fixture body array is provided with a plurality of test tube slots for placing and fixing test tubes.

Wherein, the test tube slot includes a first relief slot for the test tube to pass through, and a first test tube holding slot and a second test tube holding slot respectively communicated with the first relief slot, and the lower end of the jig body is detachable A plurality of top blocks are connected, and the top blocks are located under the first test tube slot and the second test tube slot, and the top blocks are used to resist the bottom end of the test tube.

Wherein, the top block is provided with a partition below the first slot.

Wherein, a buoy is also provided on one side of the jig body.

Wherein, the test tube rack includes a test tube box and a handle connected to one side of the test tube box. A plurality of positioning plates are installed in the test tube box, and a plurality of positioning plate arrays are provided with a plurality of through holes for test tubes to pass through.

Wherein, the two sides of the bottom end of the test tube box are respectively provided with circular shafts, and the ends of the two circular shafts away from the test tube box are respectively provided with disks, and the diameter of the disks is greater than the width of the chute; Two chutes are arranged crosswise at one end, and the two chutes are arranged symmetrically with respect to the test tube fixture; The bottom ends of the grooves are respectively provided with circular grooves; when the disc passes through the second relief groove, the circular shaft moves to the bottom end of the chute through the length direction of the chute and collides with the circular grooves.

Beneficial effects of the present invention:

It solves the problem that the test tubes are inconvenient to take, place and transfer during the experiment because the test tube rack cannot be disassembled: a low-temperature refrigerator of the present invention is provided with a test tube rack and a test tube fixture. Since the test tube rack is detachably connected to the test tube fixture, when the When the low-temperature refrigerator needs to conduct experiments, the test tube rack can be taken out from the test tube fixture, which is convenient for putting the test tube from the test tube rack, and then put the test tube rack back into the test tube fixture; in addition, when the test tube needs to be transferred, The test tube rack is directly taken out from the test tube fixture, and then put into the temporary storage position, which can avoid the need to take out the test tubes one by one, which greatly facilitates the transfer of the test tubes.

Description of drawings

The present invention is further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, without paying creative work, other embodiments can also be obtained according to the following accompanying drawings Attached picture.

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of the present invention.

Fig. 3 is a schematic structural view of the test tube fixture of the present invention.

FIG. 4 is an enlarged view of area A in FIG. 3 .

Fig. 5 is a schematic diagram of an exploded structure of the test tube fixture of the present invention.

Fig. 6 is a schematic structural view of the test tube rack of the present invention.

reference sign

Shell--1, Base--11, Upper Cover--12, Storage Basin--13, Storage Chamber--14, Cover Slot--15, Handle--16, Storage Slot--17, Magnetic Suction place piece--18,

Test tube fixture--2, fixture body--201, test tube slot--202, first step-off slot--203, first test tube slot--204, second test tube slot--205, top block- -206, clapboard--207, buoy--208, chute--209, the second give way groove--210, round groove--211,

Test tube rack--3, handle--31, positioning plate--32, through hole--33, circular shaft--34, disk--35.

Detailed ways

Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the structures shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of those who are familiar with this technology, and are not used to limit the conditions for the implementation of the present invention. Therefore, It has no technical substantive meaning, and any modification or adjustment of the structure should still fall within the scope covered by the technical content disclosed in the present invention without affecting the functions and objectives of the present invention. .

As shown in Figures 1 to 6, a low-temperature refrigerator includes a housing 1, a test tube fixture 2 and a test tube rack 3, the test tube fixture 2 is detachably assembled on the housing 1, and the test tube rack 3 is movable Detachably connected to one end of the test tube fixture 2; the housing 1 is used to accommodate the test tube fixture 2, and the test tube fixture 2 is used to place the test tube rack 3 and to place and fix the external test tubes. Rack 3 is used for placing and fixing external test tubes.

Specifically, the housing 1 includes a base 11, an upper cover 12, and an accommodating basin 13, the base 11 is provided with an accommodating cavity 14, and the accommodating basin 13 is detachably assembled in the accommodating cavity 14; the accommodating cavity 14 The upper end of the upper end is communicated with the cover groove 15, and the upper cover 12 is set on the cover groove 15. In this embodiment, the part between the accommodation cavity 14 and the base 11 is made of thermal insulation material, and the shape of the accommodation basin 13 is consistent with that of the accommodation cavity 14, so as to ensure that the accommodation basin 13 will not shake when it is assembled in the accommodation cavity 14 ; In addition, the holding basin 13 is made of low-temperature-resistant stainless steel or aluminum alloy, and liquid nitrogen can be poured into the holding basin 13, and the test tube fixture 2 is soaked in liquid nitrogen, so as to insert the test tube in the holding basin 13 Provide suitable experimental and staging conditions.

Specifically, the two ends of the base 11 are provided with handles 16, which is convenient for experimenters to extract the whole low-temperature refrigerator of the present embodiment; one side of the base 11 is provided with a storage slot 17 for placing tweezers, which is convenient The experimenter temporarily picks and places the tweezers.

Specifically, the low-temperature refrigerator also includes a number of magnetic placement parts 18 for placing the upper cover 12, and one side of the base 11 is provided with magnetic parts for absorbing the magnetic placement parts 18 (not shown in the figure). ), which is convenient for experimenters to store the upper cover 12 after removing the upper cover 12; at the same time, the magnetic attraction placement part 18 is a magnetic attraction method, which is convenient for disassembly and assembly.

Specifically, the test tube fixture 2 includes a fixture body 201, and the fixture body 201 array is provided with a plurality of test tube slots 202 for placing and fixing test tubes, and the test tube slots 202 include holes for passing test tubes. The first relief groove 203 and the first test tube holding groove 204 and the second test tube holding groove 205 respectively communicated with the first relief groove 203, the lower end of the jig body 201 is detachably connected with a plurality of top blocks 206, so The top block 206 is located below the first test tube slot 204 and the second test tube slot 205 , and the top block 206 is used to abut against the bottom end of the test tube. Because the test tube as a whole is relatively long, the test tube is moved in the direction of the first test tube clamping groove 204 or the second test tube clamping groove 205 after the test tube passes through the first step-off groove 203, and is finally fixed on the first test tube clamping groove 204 or the second test tube clamping groove 205 due to frictional force. On the two test tube slots 205. The top block 206 can be used for test tubes to touch the bottom and be placed; in addition, the top block 206 is positioned at the bottom of the first draw-in slot and is provided with a partition 207, which provides a difference between the first test tube draw-in slot 204 and the second test tube draw-in slot 205. placement depth.

Specifically, a buoy 208 is provided on one side of the jig body 201, which is convenient for the experimenter to read and estimate the amount of liquid nitrogen.

Specifically, the test tube rack 3 includes a test tube box and a handle 31 connected to one side of the test tube box, so that the experimenter can grab the test tube rack 3; There are a plurality of through holes 33 for the test tubes to pass through, and the experimenter can directly insert the test tubes into the through holes 33, and the bottom of the test tubes can be stably placed after touching the bottom wall of the test tube rack 3.

Specifically, the two sides of the bottom end of the test tube box are respectively provided with circular shafts 34, and the ends of the two circular shafts 34 away from the test tube box are respectively provided with discs 35; Groove 209, two chutes 209 are arranged symmetrically about test tube fixture 2, and the diameter of described disc 35 is greater than the width of chute 209; The second give way groove 210, the bottom ends of the two chute 209 are respectively provided with circular groove 211; The bottom end of the sliding slot 209 is in contact with the circular slot 211 . In actual use, align the position of the disc 35 with the second step-off groove 210 and insert it, and the circular shaft 34 can move along the direction of the chute 209 until the circular shaft 34 touches the circular groove 211 at the bottom end of the chute 209; After the shaft 34 is in contact with the circular groove 211, the circular shaft 34 can be rotated on the circular groove 211, so that the test tube rack 3 can be turned over with the center of the circular shaft 34 as the center of the circle, so that it is convenient for the experimenter to operate the test tube rack 3 from the holding basin. 13 Scoop up liquid nitrogen.

In summary, a low-temperature refrigerator in this embodiment has the following effects:

It solves the problem that the test tubes are inconvenient to take and place and transport during the experiment because the test tube rack 3 cannot be disassembled: a low-temperature refrigerator in this embodiment is provided with a test tube rack 3 and a test tube fixture 2. Since the test tube rack 3 is detachably connected to the test tube Fixture 2, when the low-temperature refrigerator needs to be tested, the test tube rack 3 can be taken out from the test tube fixture 2, which facilitates the test tube to be put in from the test tube rack 3, and then the test tube rack 3 is put back into the test tube fixture 2 In addition, when the test tube needs to be transferred, the test tube rack 3 is directly taken out from the test tube fixture 2, and then the whole is put into the temporary storage position, which can avoid the need to take out the test tubes one by one, which greatly facilitates the transfer of the test tube .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand , the technical solution of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A low-temperature refrigerator, characterized in that: it includes a housing (1), a test tube fixture (2) and a test tube rack (3), and the test tube fixture (2) is detachably assembled to the housing (1), The test tube rack (3) is detachably connected to one end of the test tube fixture (2); the housing (1) is used to accommodate the test tube fixture (2), and the test tube fixture (2) is used for The test tube rack (3) is placed and used for placing and fixing the external test tubes, and the test tube rack (3) is used for placing and fixing the external test tubes. 2. A low-temperature refrigerator according to claim 1, characterized in that: the housing (1) includes a base (11), an upper cover (12) and an accommodating basin (13), and the base (11 ) is provided with an accommodating chamber (14), and the accommodating basin (13) is detachably assembled in the accommodating chamber (14); the upper end of the accommodating chamber (14) communicates with a capping groove (15), and the upper cover ( 12) The cover is located in the cover groove (15). 3. A low-temperature refrigerator according to claim 2, characterized in that: the two ends of the base (11) are provided with handles (16); one side of the base (11) is provided with Storage slot for tweezers (17). 4. A low-temperature refrigerator according to claim 2, characterized in that: the low-temperature refrigerator also includes several magnetic placement parts (18) for placing the upper cover (12), and the base (11) One side is provided with a magnetic attraction part for absorbing the magnetic attraction placement part (18). 5. A low-temperature refrigerator according to claim 1, characterized in that: the test tube fixture (2) includes a fixture body (201), and the array of the fixture body (201) is provided with a plurality of A test tube groove (202) for placing and fixing test tubes. 6. A low-temperature refrigerator according to claim 5, characterized in that: the test tube slot (202) includes a first relief slot (203) for test tubes to pass through, and is connected with the first relief slot respectively. (203) communicated with the first test tube slot (204) and the second test tube slot (205), the lower end of the jig body (201) is detachably connected with a plurality of top blocks (206), the top block ( 206 ) is located below the first test tube clamping slot ( 204 ) and the second test tube clamping slot ( 205 ), and the top block ( 206 ) is used to resist the bottom end of the test tube. 7. The low-temperature refrigerator according to claim 6, characterized in that: the top block (206) is provided with a partition (207) below the first slot. 8. The low-temperature refrigerator according to claim 5, characterized in that: a buoy (208) is further provided on one side of the jig body (201). 9. A low-temperature refrigerator according to claim 1, characterized in that: the test tube rack (3) includes a test tube box and a handle (31) connected to one side of the test tube box, and the test tube box is equipped with several The positioning plate (32), the array of several positioning plates (32) is provided with a plurality of through holes (33) for passing the test tubes. 10. A low-temperature refrigerator according to claim 9, characterized in that circular shafts (34) are respectively provided on both sides of the bottom end of the test tube box, and the ends of the two circular shafts (34) away from the test tube box are respectively There is a disc (35); one end of the test tube fixture (2) is provided with two chutes (209) crossed, and the two chutes (209) are symmetrically arranged with respect to the test tube fixture (2), and the disc The diameter of (35) is greater than the width of the chute (209); the tops of the two chutes (209) are respectively connected with the second abdication groove (210) for accommodating the disc (35), two The bottom ends of the chute (209) are respectively provided with circular grooves (211); when the disk (35) passes through the second give way groove (210), the circular shaft (34) passes through the chute (209) in the length direction Move to the bottom of the chute (209) and collide with the circular groove (211).