CN211563047U

CN211563047U - Test-tube rack for experiments

Info

Publication number: CN211563047U
Application number: CN201922205144.1U
Authority: CN
Inventors: 吉俊洁; 吉俊龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-25
Anticipated expiration: 2029-12-11

Abstract

The utility model provides a test-tube rack for experiments, including the support cylinder, support cylinder lower extreme fixed circular bottom plate and support cylinder and the coaxial setting of circular bottom plate, support cylinder annular outer end upper portion position rotates and installs two at least first rings, at least two first ring left end is the first backup pad of all fixing, at least two all set up basic through-hole in the first backup pad, support cylinder annular outer end lower part position rotates and installs two at least second rings, at least two the second backup pad is all fixed to second ring left end, at least two all set up basic blind hole in the second backup pad, the utility model discloses be convenient for fold and accomodate, portable transportation uses the flexibility good.

Description

Test-tube rack for experiments

Technical Field

The utility model relates to a test-tube rack for experiments belongs to the experimental device field.

Background

In experiments in high school chemistry, biology, and the like, test tubes are commonly used containers, and test tube racks are the most basic laboratory instruments in chemical laboratories for storing test tubes (sometimes, test tubes may be placed on a test tube rack to observe a certain experiment) and drying the test tubes. The test tube rack is attached with a corresponding number of small wooden columns and small holes. The foraminous tube may be placed upright for use or to allow continued observation of the reaction. The cleaned test tube with the column can be placed upside down for air drying. Current test-tube rack is mostly fixed knot structure, and holistic appearance is great, not portable, uses the flexibility poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a test-tube rack for experiments to solve the current test-tube rack that proposes in the above-mentioned background art and mostly be fixed knot structure, holistic appearance is great, portable not, uses the poor problem of flexibility, the utility model discloses be convenient for fold and accomodate, portable transportation uses the flexibility good.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a test-tube rack for experiments, includes the support cylinder, support cylinder lower extreme fixed circular bottom plate and support cylinder and the coaxial setting of circular bottom plate, support cylinder annular outer end upper portion position and rotate two at least first rings of installation, at least two first ring left end is the first backup pad of all fixing, at least two all set up basic through-hole in the first backup pad, support cylinder annular outer end lower part position rotates two at least second rings of installation, at least two the second backup pad is all fixed, at least two to second ring left end all set up basic blind hole in the second backup pad.

Further, the support cylinder is connected with at least two first rings and at least two second rings through bearings respectively.

Further, be equipped with two at least basic through-holes and two at least basic through-hole equidistance settings in the first backup pad, be equipped with two at least basic blind holes and two at least basic blind hole equidistance settings in the second backup pad.

Furthermore, a first clamping groove is formed in the upper end of the first supporting plate, a first clamping plate is embedded in the first clamping groove, at least two supporting through holes are formed in the first clamping plate at equal intervals, the number of the supporting through holes is the same as that of the basic through holes, and the at least two supporting through holes are respectively arranged coaxially with the at least two basic through holes.

Furthermore, a second clamping groove is formed in the upper end of the second supporting plate, a second clamping plate is embedded in the second clamping groove, at least two supporting blind holes are formed in the second clamping plate at equal intervals, the number of the supporting blind holes is the same as that of the basic blind holes, and the at least two supporting blind holes are respectively arranged coaxially with the at least two basic blind holes.

Further, two first screw holes are formed in the bilateral symmetry of the bottom end of the first clamping groove, two first bolts are installed in the bilateral symmetry of the upper end of the first clamping plate, the two first bolts penetrate through the first clamping plate and are respectively in threaded connection with the two first screw holes, the upper end face of each first bolt is parallel and level with the upper end face of the first clamping plate, two second screw holes are formed in the bilateral symmetry of the bottom end of the second clamping groove, two second bolts are installed in the bilateral symmetry of the upper end of the second clamping plate, the two second bolts penetrate through the second clamping plate and are respectively in threaded connection with the two second screw holes, and the upper end face of each second bolt is parallel and level with the upper end face of the second clamping plate.

Furthermore, one side that first ring was kept away from to first backup pad is close to the border position and has seted up first fixed orifices, one side that the second ring was kept away from to the second backup pad is close to the border position and has seted up the second fixed orifices, support cylinder has inserted two at least inserted bars for hollow structure and support cylindrical cavity inner chamber.

The utility model has the advantages that: the utility model relates to a test tube rack for experiments,

1. at least two first backup pads and a plurality of second backup pad can place the quantity of test tube as required and overlap completely, the part expandes and expandes completely, the expansion state of second backup pad is the same with first backup pad, it establishes under first backup pad to make the second backup pad correspond, the second backup pad that utilizes first backup pad and correspond with it is inserted the test tube and is put, this design can be folded, the parking space is little, be convenient for transport and carry, use the flexibility high, the test tube quantity that can place as required is adjusted the condition of expansion.

2. The setting can carry out the first cardboard of dismouting with first backup pad, can carry out the second cardboard of dismouting with the second backup pad, the support through-hole on different first cardboard and the second cardboard and the internal diameter diverse that supports the blind hole to be convenient for place the test tube of different pipe diameters.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an experimental test tube rack of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the first support plate and the second support plate of FIG. 2 in an expanded state;

fig. 4 is a schematic diagram of a first supporting plate in an experimental test tube rack of the present invention;

fig. 5 is the utility model relates to a schematic diagram of second backup pad in test-tube rack for experiments.

In the figure: 1-supporting cylinder, 2-first ring, 3-first supporting plate, 4-second supporting plate, 5-second ring, 6-circular bottom plate, 7-inserted rod, 31-basic through hole, 32-first clamping plate, 33-supporting through hole, 34-first bolt, 35-first clamping groove, 41-basic blind hole, 42-second clamping plate, 43-supporting blind hole, 44-second bolt, 45-second clamping groove, 71-first fixing hole and 72-second fixing hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1: referring to fig. 1-3, a test tube rack for experiment comprises a support cylinder 1, a circular bottom plate 6 fixed at the lower end of the support cylinder 1, the support cylinder 1 and the circular bottom plate 6 are coaxially arranged, at least two first rings 2 are rotatably installed at the upper part of the annular outer end of the support cylinder 1, first support plates 3 are fixed at the left ends of the at least two first rings 2, foundation through holes 31 are formed in the at least two first support plates 3, at least two second rings 5 are rotatably installed at the lower part of the annular outer end of the support cylinder 1, second support plates 4 are fixed at the left ends of the at least two second rings 5, foundation blind holes 41 are formed in the at least two second support plates 4, the support cylinder 1 is convenient for supporting the support cylinder 1, the support cylinder 1 is convenient for supporting the first rings 2, the first support plates 3, the second rings 5 and the second support plates 4, a test tube passes through the foundation through holes 31 from top to bottom and is inserted into the foundation blind holes 41 corresponding to the foundation through holes 31, the test tube is supported.

The support cylinder 1 is connected with at least two first rings 2 and at least two second rings 5 through bearings respectively, and the bearings enable the first rings 2 and the second rings 5 to rotate around the support cylinder 1.

Be equipped with two at least basic through-holes 31 and two at least basic through-holes 31 equidistance settings on first backup pad 3, be equipped with two at least basic blind holes 41 and two at least basic blind holes 41 equidistance settings on the second backup pad 4, but two at least test tubes are placed to two at least basic through-holes 31 and two at least basic blind holes 41 equidistance that the equidistance set up.

One side that first backup pad 3 kept away from first ring 2 is close to the border position and has seted up first fixed orifices 71, one side that second ring 5 was kept away from to second backup pad 4 is close to the border position and has seted up second fixed orifices 72, support cylinder 1 has inserted two at least inserted bars 7 for hollow structure and support cylinder 1's cavity inner chamber, run through the inside first fixed orifices 71 of first backup pad 3 with inserted bar 7 and insert inside the inside second fixed orifices 72 of second backup pad 4 that corresponds with first backup pad 3, second fixed orifices 72 is the blind hole, the bottom is obstructed promptly, thereby realize first backup pad 3 second backup pad 4 relatively fixed, avoid the two to take place to deflect and cause torsional damage to the test tube of placing wherein.

The working principle is as follows: as shown in fig. 1, when the number of test tubes to be placed is less than or equal to the number of base through holes 31 of one first support plate 3, the test tubes can be directly inserted through the aligned base through holes 31 and placed in the base blind holes 41 of the uppermost second support plate 4, when the number of test tubes to be placed is greater, the first support plate 3 and the first ring 2 are rotated around the support cylinder 1, the second support plate 4 corresponding to the first support plate 3 is correspondingly rotated and rotated to a position right below the first support plate 3, as shown in fig. 3, the first support plate 3 and the second support plate 4 are completely unfolded, the first support plate 3 and the second support plate 4 are in one-to-one correspondence, the insertion rod 7 penetrates through the first fixing hole 71 in the first support plate 3 and is inserted into the second fixing hole 72 in the second support plate 4 corresponding to the first support plate 3, thereby realize 3 second backup pads 4 relatively fixed with first backup pad, can place a plurality of test tubes, this design can be folded, and storage space is little, and the transportation of being convenient for is carried, uses the flexibility high, and the test tube quantity that can place as required is adjusted the condition of expansion.

Example 2: referring to fig. 4 and 5, a first clamping groove 35 is formed at the upper end of the first supporting plate 3, a first clamping plate 32 is embedded in the first clamping groove 35, at least two supporting through holes 33 are formed in the first clamping plate 32 at equal intervals, the number of the at least two supporting through holes 33 is the same as that of the base through holes 31, the at least two supporting through holes 33 are respectively and coaxially arranged with the at least two base through holes 31, the diameter of each supporting through hole 33 is smaller than that of each base through hole 31, and different first clamping plates 32 can be used for placing test tubes with different inner diameters when being replaced.

Second draw-in groove 45 is seted up to 4 upper ends of second backup pads, and second cardboard 42 is inlayed to second draw-in groove 45 inside, and at least two support blind holes 43 are seted up to equidistant seting up of second cardboard 42, and at least two support blind holes 43 are the same with basic blind hole 41's quantity and at least two support blind holes 43 respectively with two at least basic blind hole 41 coaxial settings, and the diameter that supports blind hole 43 equals to be less than basic blind hole 41, changes the test tube that different second cardboard 42 can be used to place different internal diameters.

Two first screw holes are seted up to first draw-in groove 35 bottom bilateral symmetry, two first bolts 34 of first cardboard 32 upper end bilateral symmetry installation, two first bolts 34 all pass through first cardboard 32 and pass through threaded connection with two first screw holes respectively, first bolt 34 up end and first cardboard 32 up end parallel and level, two second screw holes are seted up to second draw-in groove 45 bottom bilateral symmetry, two second bolts 44 of second cardboard 42 upper end bilateral symmetry installation, two second bolts 44 all pass through second cardboard 42 and pass through threaded connection with two second screw holes respectively, second bolt 44 up end and second cardboard 42 up end parallel and level, first bolt 34 and first screw hole are convenient for the installation and the dismantlement of first cardboard 32 and first draw-in groove 35, second bolt 44 and first screw hole are convenient for the installation and the dismantlement of second cardboard 42 and second draw-in groove 45.

The working principle is as follows: the pipe diameter of different test tubes is different in the experiment, in order to facilitate the placing of various pipe diameter test tubes, the setting can carry out the first cardboard 32 of dismouting with first backup pad 3, can carry out the second cardboard 42 of dismouting with second backup pad 4, the diameter of supporting through-hole 33 equals to be less than basic through-hole 31, the diameter of supporting blind hole 43 equals to be less than basic blind hole 41, the internal diameter diverse of supporting through-hole 33 and supporting blind hole 43 on different first cardboard 32 and the second cardboard 42, thereby be convenient for place the test tube of different pipe diameters.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a test-tube rack for experiments which characterized in that: including support cylinder (1), support cylinder (1) lower extreme stationary circular base plate (6) and support cylinder (1) and circular base plate (6) coaxial setting, support cylinder (1) annular outer end upper portion position and rotate and install two at least first rings (2), at least two first ring (2) left end all fixes first backup pad (3), at least two all set up basic through-hole (31) on first backup pad (3), support cylinder (1) annular outer end lower part position rotates and installs two at least second rings (5), at least two second ring (5) left end all fixes second backup pad (4), at least two all set up basic blind hole (41) on second backup pad (4).

2. The test tube rack for experiments according to claim 1, characterized in that: the supporting cylinder (1) is respectively connected with at least two first circular rings (2) and at least two second circular rings (5) through bearings.

3. The test tube rack for experiments according to claim 1, characterized in that: be equipped with two at least basic through-holes (31) and two at least basic through-holes (31) equidistance setting on first backup pad (3), be equipped with two at least basic blind holes (41) and two at least basic blind holes (41) equidistance setting on second backup pad (4).

4. The test tube rack for experiments according to claim 1, characterized in that: first draw-in groove (35) are seted up to first backup pad (3) upper end, first cardboard (32) are inlayed to first draw-in groove (35) inside, at least two support through-holes (33) are seted up to first cardboard (32) equidistance, at least two support through-hole (33) are the same with the quantity of basic through-hole (31) and at least two support through-hole (33) respectively with two at least coaxial settings of basic through-hole (31).

5. The test tube rack for experiments according to claim 4, characterized in that: a second clamping groove (45) is formed in the upper end of the second supporting plate (4), a second clamping plate (42) is embedded in the second clamping groove (45), at least two supporting blind holes (43) are formed in the second clamping plate (42) at equal intervals, the number of the supporting blind holes (43) is the same as that of the basic blind holes (41), and the at least two supporting blind holes (43) are respectively arranged coaxially with the at least two basic blind holes (41).

6. The test tube rack for experiments according to claim 5, characterized in that: two first screw holes are formed in the bottom end of the first clamping groove (35) in a bilateral symmetry mode, two first bolts (34) are installed in the upper end of the first clamping plate (32) in a bilateral symmetry mode, the two first bolts (34) penetrate through the first clamping plate (32) and are respectively in threaded connection with the two first screw holes, the upper end face of each first bolt (34) is flush with the upper end face of the first clamping plate (32), two second screw holes are formed in the bottom end of the second clamping groove (45) in a bilateral symmetry mode, two second bolts (44) are installed in the upper end of the second clamping plate (42) in a bilateral symmetry mode, the two second bolts (44) penetrate through the second clamping plate (42) and are respectively in threaded connection with the two second screw holes, and the upper end face of each second bolt (44) is flush with the upper end face of the second clamping plate (42).

7. The test tube rack for experiments according to claim 1, characterized in that: one side that first ring (2) were kept away from in first backup pad (3) is close to the border position and has seted up first fixed orifices (71), one side that second ring (5) were kept away from in second backup pad (4) is close to the border position and has seted up second fixed orifices (72), support cylinder (1) has inserted two at least inserted bars (7) for hollow structure and in the cavity inner chamber of support cylinder (1).