CN219187031U - Test tube rack convenient to adjust height - Google Patents
Test tube rack convenient to adjust height Download PDFInfo
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- CN219187031U CN219187031U CN202320696428.9U CN202320696428U CN219187031U CN 219187031 U CN219187031 U CN 219187031U CN 202320696428 U CN202320696428 U CN 202320696428U CN 219187031 U CN219187031 U CN 219187031U
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- placing plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model relates to the technical field of experimental equipment, in particular to a test tube rack convenient to adjust the height, which comprises a first placing plate, a second placing plate, a bottom plate and a connecting component; the connecting assembly comprises a fastener, a positioning piece, at least one first connecting column and at least one second connecting column; the fastener passes in proper order the mounting hole of board is placed to the first connecting hole of first spliced pole the mounting hole of board is placed to the second spliced pole with behind the mounting hole of bottom plate with the setting element can dismantle the connection, a test tube rack of convenient adjustment height can adjust the test tube and place the height of board, satisfies the demand of placing the test tube of different height, and can place the test tube board with coupling assembling dismantles and assembles, conveniently carries out the regulation of the height of test tube rack, has solved the problem that the height of current test tube rack can't be adjusted.
Description
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to a test tube rack convenient to adjust the height.
Background
Laboratory will usually use glass test tube to hold experimental materials, because the test tube is the rectangular tubulose that one end opened the setting and is fragile material, need use the test tube rack to place usually. However, the height of the existing test tube rack is not adjustable, so that most of existing test tube racks can only be used for placing test tubes with a specific height, the test tubes with different heights cannot be placed, and when the test tubes with different heights are needed, a plurality of test tube racks with different heights are needed.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the test tube placing rack with the height convenient to adjust, the height of the test tube placing plate can be adjusted, the requirement of placing test tubes with different heights is met, the test tube placing plate and the connecting assembly can be disassembled and assembled, the height of the test tube placing rack is convenient to adjust, and the problem that the height of the existing test tube placing rack cannot be adjusted is solved.
To achieve the purpose, the utility model adopts the following technical scheme:
a test tube rack convenient for height adjustment comprises a first placing plate, a second placing plate, a bottom plate and a connecting component;
the first placing plate is arranged above the second placing plate, the bottom plate is arranged below the second placing plate, a plurality of first placing holes are respectively formed in the plate surface of the first placing plate and the plate surface of the second placing plate in a penetrating mode, a plurality of second placing holes are formed in the bottom plate, the first placing holes of the first placing plate are in one-to-one correspondence with the first placing holes of the second placing plate, and the second placing holes of the bottom plate are in one-to-one correspondence with the first placing holes of the second placing plate;
the connecting assembly comprises a fastener, a positioning piece, at least one first connecting column and at least one second connecting column, wherein the first connecting column is arranged between the first placing plate and the second placing plate, and the second connecting column is arranged between the second placing plate and the bottom plate;
the first face of placing the board the second of placing the board with the mounting hole has been run through respectively to the face of bottom plate, first connecting hole has been run through along self length direction in the middle part of first spliced pole, the second connecting hole has been run through along self length direction in the middle part of second spliced pole, the fastener passes in proper order the mounting hole of placing the board first connecting hole of first spliced pole the mounting hole of board is placed to the second connecting hole of second spliced pole with behind the mounting hole of bottom plate with the setting element can dismantle and be connected.
Further stated, the said fastener is the screw, the said locating piece includes nut and supporting table, the said nut is connected to the upper end of the said supporting table;
the fastener passes through the first mounting hole of placing the board, the first connecting hole of first spliced pole, the mounting hole of placing the board, the second spliced pole the second connecting hole of second spliced pole with behind the mounting hole of bottom plate in proper order with nut threaded connection.
Further described, the support table is hemispherical.
Further describing, four mounting holes are respectively formed at four corners of the first placing plate, four corners of the second placing plate and four corners of the bottom plate in a penetrating manner;
the connecting assembly is provided with four, and the fastener of the connecting assembly penetrates through the corresponding mounting hole.
It is worth to say that, the face of first board of placing and the face of second board of placing runs through respectively and has seted up 80 first hole of placing, the bottom plate has been seted up 80 the hole is placed to the second.
It is worth to say that the periphery of second place the hole is provided with the arc concave surface, the arc concave surface is towards the concave setting of decurrent.
Further, the first placing plate, the second placing plate and the bottom plate are rectangular, and four corners of the first placing plate, four corners of the second placing plate and four corners of the bottom plate are rounded corners respectively.
It is worth to say that the upper end face of the fastening piece and the upper end face of the first placing plate are located on the same horizontal plane.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the test tube rack, the heights of the first placing plate and the second placing plate are adjusted by increasing the number of the first connecting columns and the second connecting columns, so that the heights of the test tube racks are adjusted, the requirement of placing test tubes with different heights is met, the test tube placing plates and the connecting assemblies can be disassembled and assembled, the height adjustment of the test tube racks is facilitated, and the problem that the heights of the existing test tube racks cannot be adjusted is solved.
Drawings
Fig. 1 is a schematic perspective view of a test tube rack with a height convenient to adjust according to an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of a test tube rack with a height convenient to adjust according to an embodiment of the present utility model.
FIG. 3 is an exploded view of a test tube rack with convenient height adjustment according to one embodiment of the present utility model.
FIG. 4 is an exploded view of a tube rack connector assembly for facilitating height adjustment according to one embodiment of the present utility model.
Fig. 5 is a perspective cross-sectional view of a test tube rack for facilitating height adjustment according to one embodiment of the present utility model.
Wherein: the first placing plate 1, the first placing hole 11, the mounting hole 12, the second placing plate 2, the bottom plate 3, the second placing hole 31, the arc concave 311, the connecting component 4, the fastener 41, the positioning piece 42, the nut 421, the supporting stand 422, the first connecting post 43, the first connecting hole 431, the second connecting post 44, and the second connecting hole 441.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.
As shown in fig. 1 to 5, a test tube rack with convenient height adjustment comprises a first placing plate 1, a second placing plate 2, a bottom plate 3 and a connecting assembly 4;
the first placing plate 1 is arranged above the second placing plate 2, the bottom plate 3 is arranged below the second placing plate 2, a plurality of first placing holes 11 are respectively formed in the plate surface of the first placing plate 1 and the plate surface of the second placing plate 2 in a penetrating manner, a plurality of second placing holes 31 are formed in the bottom plate 3, the first placing holes 11 of the first placing plate 1 are in one-to-one correspondence with the first placing holes 11 of the second placing plate 2, and the second placing holes 31 of the bottom plate 3 are in one-to-one correspondence with the first placing holes 11 of the second placing plate 2;
the connecting assembly 4 comprises a fastener 41, a positioning piece 42, at least one first connecting column 43 and at least one second connecting column 44, wherein the first connecting column 43 is arranged between the first placing plate 1 and the second placing plate 2, and the second connecting column 44 is arranged between the second placing plate 2 and the bottom plate 3;
the first face of placing the board 1 the second face of placing the board 2 with the face of bottom plate 3 runs through respectively and has seted up mounting hole 12, first spliced pole 43's middle part has run through along self length direction and has seted up first spliced hole 431, second spliced pole 44's middle part has run through along self length direction and has seted up second spliced hole 441, fastener 41 passes in proper order first mounting hole 12 of placing the board 1 first spliced pole 43 first spliced hole 431 the mounting hole 12 of placing the board 2 the second spliced pole 44 second spliced pole 441 with behind the mounting hole 12 of bottom plate 3 with the setting element 42 can dismantle the connection.
The test tubes used in the laboratory are inconsistent in height, and the height of the conventional test tube rack cannot be adjusted, so that test tubes are required to be placed by the test tube racks with different heights. The utility model adjusts the height of the first placing plate 1 and the second placing plate 2 by increasing the number of the first connecting columns 43 and the second connecting columns 44, thereby adjusting the height of the test tube placing rack to place test tubes with different lengths. For example, when it is necessary to increase the heights of the first placing plate 1 and the second placing plate 2, two first connecting posts 43 are provided between the first placing plate 1 and the second placing plate 2 (one first connecting post 43 is added on the basis of the original one first connecting post 43), two second connecting posts 44 are provided between the second placing plate 2 and the bottom plate 3 (one second connecting post 44 is added on the basis of the original one second connecting post 44), thereby changing the interval between the first placing plate 1 and the second placing plate 2 and the interval between the second placing plate 2 and the bottom plate 3, then the fastening member 41 sequentially passes through the mounting hole 12 of the first placing plate 1, the first connecting holes 431 of the two first connecting posts 43, the mounting hole 12 of the second placing plate 2, the second connecting holes 441 of the two second connecting posts 44 and the mounting hole 12 of the bottom plate 3 and then connects with the positioning member 42, to achieve the height adjustment of the test tube rack, it is of course also possible to provide only two first connection posts 43 between the first placement plate 1 and the second placement plate 2, one second connection post 44 between the second placement plate 2 and the bottom plate 3, then the fastener 41 sequentially passes through the mounting holes 12 of the first placement plate 1, the first connection holes 431 of the two first connection posts 43, the mounting holes 12 of the second placement plate 2, the second connection holes 441 of one second connection post 44 and the mounting holes 12 of the bottom plate 3 and then connects with the positioning member 42, or only two second connection posts 44 are provided between the second placement plate 2 and the bottom plate 3, at this time, a first connecting post 43 is disposed between the first placing plate 1 and the second placing plate 2, and then the fastener 41 sequentially passes through the mounting hole 12 of the first placing plate 1, the first connecting hole 431 of the first connecting post 43, the mounting hole 12 of the second placing plate 2, the second connecting holes 441 of the two second connecting posts 44, and the mounting hole 12 of the bottom plate 3, and then is connected with the positioning member 42, so as to obtain the test tube placing rack with different heights.
The utility model can adjust the height of the test tube placing plate, meets the requirement of placing test tubes with different heights, can disassemble and assemble the test tube placing plate and the connecting component 4, is convenient for adjusting the height of the test tube placing rack, and solves the problem that the height of the existing test tube placing rack cannot be adjusted.
Preferably, the materials of the first placing plate 1, the second placing plate 2, the bottom plate 3, the first connecting column 43 and the second connecting column 44 are polyethylene, and experimental materials placed in a glass test tube in a laboratory are usually corrosive, if the experimental materials are improperly operated in the experimental process or the test tube placing process, the dropped experimental materials can corrode the test tube placing rack, and the polyethylene materials have the advantages of light texture, corrosion resistance, difficult rust and aging, direct flushing and cleaning, rust resistance and mildew resistance. The test tube rack has the advantages of convenience in cleaning and simplicity in installation, and the service life of the test tube rack can be prolonged by properly cleaning the test tube rack.
Further, the fastening member 41 is a screw, and the positioning member 42 includes a nut 421 and a support stand 422, where the nut 421 is connected to an upper end surface of the support stand 422;
the fastening member 41 passes through the mounting hole 12 of the first placement plate 1, the first connection hole 431 of the first connection post 43, the mounting hole 12 of the second placement plate 2, the second connection hole 441 of the second connection post 44, and the mounting hole 12 of the bottom plate 3 in sequence, and then is connected with the nut 421 by screw threads.
The fastener 41 passes through the mounting hole 12 of the first placing plate 1, the first connecting hole 431 of the first connecting column 43, the mounting hole 12 of the second placing plate 2, the second connecting hole 441 of the second connecting column 44 and the mounting hole 12 of the bottom plate 3 in sequence and then is in threaded connection with the nut 421, and the fastener 41 is a screw, so that the first placing plate 1, the first connecting column 43, the second placing plate 2, the second connecting column 44, the bottom plate 3 and the positioning piece 42 can be connected together, and the functions of fixing the first placing plate 1, the first connecting column 43, the second placing plate 2, the second connecting column 44 and the bottom plate 3 are achieved.
The locating piece 42 includes nut 421 and brace table 422, nut 421 with fastener 41 passes through screw-thread fit, makes the dismantlement and the installation easy operation of test tube rack, and it is quick convenient, and makes the structural stability of test tube rack is stronger, has guaranteed the stability that the test tube was placed.
Further, as the number of the first and second connection posts 43 and 44 is increased, it is necessary to use the fastener 41 having a longer length to accommodate the adjustment of the height of the test tube rack.
Further illustratively, the support table 422 is semi-spherical.
The supporting table 422 is hemispherical and can enable the test tube placing rack to be placed on the experiment table stably, and the test tube can be placed on the test tube placing rack stably, so that the safety of the test tube is guaranteed, and experimental operation is not affected.
Further describing, four mounting holes 12 are respectively formed at four corners of the first placing plate 1, four corners of the second placing plate 2 and four corners of the bottom plate 3;
the connecting assembly 4 is provided with four fasteners 41 of the connecting assembly 4 penetrate through the corresponding mounting holes 12.
The connecting assembly 4 is provided with four, the fastener 41 of connecting assembly 4 wears to locate corresponding mounting hole 12 has guaranteed test tube rack can place at the mesa steadily, has also guaranteed that the test tube can place steadily test tube rack to guaranteed the security of test tube, do not influence experimental operation.
It should be noted that, the bottom end surfaces of the supporting tables 422 of the positioning members 42 of the four connecting assemblies 4 are on the same horizontal plane, and the upper end surfaces of the nuts 421 are attached to the lower end surface of the bottom plate 3, so that the stability of the test tube rack can be further ensured.
It should be noted that, the plate surface of the first placing plate 1 and the plate surface of the second placing plate 2 respectively penetrate through 80 first placing holes 11, and 80 second placing holes 31 are formed in the bottom plate 3.
The number of test tubes which can be placed by the existing test tube placing rack is relatively small and is generally below 40, the requirements of laboratory daily detection cannot be met, in the utility model, the plate surface of the first placing plate 1 and the plate surface of the second placing plate 2 respectively penetrate through 80 first placing holes 11, 80 second placing holes 31 are formed in the bottom plate 3, the first placing holes 11 of the first placing plate 1 and the first placing holes 11 of the second placing plate 2 are in one-to-one correspondence, the second placing holes 31 of the bottom plate 3 and the first placing holes 11 of the second placing plate 2 are in one-to-one correspondence, the test tube placing rack can be used for placing 80 test tubes, the requirements of laboratory daily detection are met, and the efficiency of experimental work is effectively improved.
It should be noted that the second placement hole 31 is provided with an arc concave surface 311 at its outer periphery, and the arc concave surface 311 is concavely disposed toward the lower side.
Through the second place the periphery of hole 31 set up arc concave surface 311, make the contact surface of bottom plate 3 and test tube is the cambered surface, because the bottom of test tube is the U type, the bottom of test tube is also an cambered surface, the cambered surface of test tube bottom with arc concave surface 311 cooperatees, can prevent effectively that glass test tube from putting into when conveniently adjusting high test tube rack because of the action of gravity with bottom plate 3 takes place the striking, leads to the glass test tube to break, influences experimental data's problem.
Further, the first placing plate 1, the second placing plate 2 and the bottom plate 3 are rectangular, and four corners of the first placing plate 1, four corners of the second placing plate 2 and four corners of the bottom plate 3 are rounded.
The first board 1 of placing the second place the board 2 with the bottom plate 3 all is the rectangle form, just the first four angles of placing the board 1 the second place the board 2 four angles with the four angles of bottom plate 3 are the fillet respectively, and sharp edge, burr are got rid of to the fillet, have guaranteed the security of laboratory technician when taking the test tube in the experimentation, and the fillet is favorable to mould manufacturing, improves mould intensity.
It should be noted that the upper end surface of the fastening member 41 is located at the same level as the upper end surface of the first placement plate 1.
The upper end face of the fastener 41 and the upper end face of the first placing plate 1 are located on the same horizontal plane, so that the test tube placing process can be guaranteed, the fastener 41 and the test tube cannot collide due to protrusion, the safety of the test tube is guaranteed, and experimental operation is not affected.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The test tube rack is characterized by comprising a first placing plate, a second placing plate, a bottom plate and a connecting assembly, wherein the height of the first placing plate is convenient to adjust;
the first placing plate is arranged above the second placing plate, the bottom plate is arranged below the second placing plate, a plurality of first placing holes are respectively formed in the plate surface of the first placing plate and the plate surface of the second placing plate in a penetrating mode, a plurality of second placing holes are formed in the bottom plate, the first placing holes of the first placing plate are in one-to-one correspondence with the first placing holes of the second placing plate, and the second placing holes of the bottom plate are in one-to-one correspondence with the first placing holes of the second placing plate;
the connecting assembly comprises a fastener, a positioning piece, at least one first connecting column and at least one second connecting column, wherein the first connecting column is arranged between the first placing plate and the second placing plate, and the second connecting column is arranged between the second placing plate and the bottom plate;
the first face of placing the board the second of placing the board with the mounting hole has been run through respectively to the face of bottom plate, first connecting hole has been run through along self length direction in the middle part of first spliced pole, the second connecting hole has been run through along self length direction in the middle part of second spliced pole, the fastener passes in proper order the mounting hole of placing the board first connecting hole of first spliced pole the mounting hole of board is placed to the second connecting hole of second spliced pole with behind the mounting hole of bottom plate with the setting element can dismantle and be connected.
2. The test tube rack convenient to adjust the height according to claim 1, wherein the fastening piece is a screw, the positioning piece comprises a nut and a supporting table, and the nut is connected to the upper end surface of the supporting table;
the fastener passes through the first mounting hole of placing the board, the first connecting hole of first spliced pole, the mounting hole of placing the board, the second spliced pole the second connecting hole of second spliced pole with behind the mounting hole of bottom plate in proper order with nut threaded connection.
3. The test tube rack of claim 2, wherein the support base is semi-spherical.
4. The test tube rack convenient to adjust the height according to claim 2, wherein four mounting holes are respectively formed through the four corners of the first placing plate, the four corners of the second placing plate and the four corners of the bottom plate;
the connecting assembly is provided with four, and the fastener of the connecting assembly penetrates through the corresponding mounting hole.
5. The test tube rack of claim 1, wherein the first placing plate and the second placing plate have 80 first placing holes respectively penetrating through the first placing plate and the second placing plate, and the bottom plate has 80 second placing holes.
6. The test tube rack of claim 1, wherein the second placement hole has an arcuate concave surface disposed on an outer periphery thereof, the arcuate concave surface being recessed downward.
7. The test tube rack of claim 1, wherein the first placement plate, the second placement plate, and the bottom plate are rectangular, and four corners of the first placement plate, the second placement plate, and the bottom plate are rounded.
8. The test tube rack of claim 1, wherein the upper end surface of the fastener is in the same horizontal plane as the upper end surface of the first placement plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696428.9U CN219187031U (en) | 2023-03-31 | 2023-03-31 | Test tube rack convenient to adjust height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696428.9U CN219187031U (en) | 2023-03-31 | 2023-03-31 | Test tube rack convenient to adjust height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219187031U true CN219187031U (en) | 2023-06-16 |
Family
ID=86726056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320696428.9U Active CN219187031U (en) | 2023-03-31 | 2023-03-31 | Test tube rack convenient to adjust height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219187031U (en) |
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2023
- 2023-03-31 CN CN202320696428.9U patent/CN219187031U/en active Active
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