Test tube rack for laboratory

Abstract

The utility model belongs to the technical field of test tube racks, and particularly relates to a test tube rack for a laboratory, which comprises a bottom rack, a plurality of placing plates are arranged on the inner side of the bottom rack, and the outer side wall of one placing plate is fixedly connected with the inner side wall of the bottom rack. The left supporting column is connected with the supporting ring on the leftmost side through the inserting rod, rotation of the left supporting column and the supporting ring on the leftmost side can be limited, supporting can be conducted, the right supporting column is connected with the supporting ring on the rightmost side through the inserting hole, the threaded rod is rotated to push the placement plate on the lowermost layer to move rightwards, the T-shaped block slides in the sliding groove, the multiple layers of placement plates are driven to stretch out, and the folded supporting ring is unfolded under driving of the right supporting column. The test tube bodies are inserted into the supporting rings, the bottoms of the test tube bodies are limited through the containing grooves, the test tube bodies are kept vertically placed, when the test tube bodies are not used, the threaded rods are rotated reversely to collect the multiple layers of containing plates into the bottom frame, and the adjacent supporting rings are rotated and folded through the rotating rods, so that the supporting rings are perpendicular to one another and can be contracted and unfolded; and the experiment operation table is not easy to be crowded.

Description

Technical Field

[0001] The utility model relates to the technical field of test tube racks, and specifically relates to a test tube rack for laboratories. Background Art

[0002] A test tube rack is a kind of chemical experiment instrument, used to place test tubes on the test tube rack to observe the phenomena of a certain experiment and dry the test tubes, which is the most basic experiment instrument in a chemical laboratory.

[0003] For some existing test tube racks, their sizes and structures are fixed, and they easily occupy a large space when idle, making the experimental operation table more crowded.

[0004] Therefore, a test tube rack for laboratories is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a test tube rack for laboratories to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A test tube rack for laboratories, including a bottom frame, a plurality of placement plates are arranged inside the bottom frame, the outer side wall of one placement plate is fixedly connected to the inner side wall of the bottom frame, the upper surface of the placement plate is provided with evenly distributed placement grooves, a pair of T-shaped blocks are fixedly connected to the upper surface of the placement plate, a pair of sliding grooves are opened on the lower surface of the placement plate, and the outer side wall of the adjacent T-shaped block is slidably connected to the inner side wall of the sliding groove. A test tube body is arranged inside the placement groove, a support ring is slidably connected to the outer side wall of the test tube body, a connection hole is opened on the left side of the inner side wall of the support ring, a rotating rod is fixedly connected to the right side of the lower surface of the support ring, and the adjacent rotating rod is rotatably connected to the connection hole. The inner side wall of the bottom frame is threadedly connected with a threaded rod, and the right end of the threaded rod is rotatably connected to the left side wall of one placement plate.

[0007] As a further preference of this technical solution: A knob is fixedly connected to the left end of the threaded rod, and anti-slip threads are opened on the outer side wall of the knob.

[0008] As a further preference of this technical solution: Evenly distributed left support columns are fixedly connected to the upper surface of the bottom frame, a clamping groove is opened on the upper surface of the left support column, and the outer side wall of the support ring is slidably connected to the inner side wall of the clamping groove.

[0009] As a further preference of this technical solution: A plug rod is fixedly connected to the inner side wall of the clamping groove, and the outer side wall of the plug rod is inserted into the inner side wall of the connection hole.

[0010] As a further preference of this technical solution: on the right side wall of one of the placement plates, uniformly distributed right support columns are fixedly connected. Insertion holes are provided on the inner side walls of the right support columns, and the outer side wall of the rotating rod is inserted into the inner side wall of the insertion hole.

[0011] As a further preference of this technical solution: the number of the placement plates is odd, and the placement plates and the support rings are correspondingly arranged.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] When the present utility model is in use, the left support column is connected to the leftmost support ring through the insertion rod, which can limit its rotation and provide support. The right support column is connected to the rightmost support ring through the insertion hole. Rotate the threaded rod to push the lowermost placement plate to move to the right. The T-shaped block slides in the sliding groove, driving the multi-layer placement plates to extend. Driven by the right support column, the folded support rings are unfolded. The test tube body is inserted into the support ring, and the bottom is limited through the placement groove to keep the test tube body vertically placed. When not in use, reverse the threaded rod to retract the multi-layer placement plates into the bottom frame. The adjacent support rings are rotated and folded through the rotating rod, so that the multiple support rings are in a mutually perpendicular state, and can be contracted and unfolded, and will not occupy a large space when idle, making the experimental operation table not prone to congestion. Description of the Drawings

[0014] Figure 1 It is the front view structural schematic diagram of the present utility model;

[0015] Figure 2 It is the structural schematic diagram of the placement plate, sliding groove and threaded rod in the present utility model;

[0016] Figure 3 It is the structural schematic diagram of the support ring, connection hole and rotating rod in the present utility model;

[0017] Figure 4 It is the structural schematic diagram of the left support column, card slot and insertion rod in the present utility model;

[0018] Figure 5 It is the structural schematic diagram of the right support column and insertion hole in the present utility model.

[0019] In the figure: 1, bottom frame; 2, placement plate; 3, placement groove; 4, T-shaped block; 5, sliding groove; 6, test tube body; 7, support ring; 8, connection hole; 9, rotating rod; 10, threaded rod; 11, knob; 12, anti-slip pattern; 13, left support column; 14, card slot; 15, insertion rod; 16, right support column; 17, insertion hole. Detailed Embodiments

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limiting the present application. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0021] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0022] Please refer to Figures 1-5 , the present utility model provides a technical solution: a test tube rack for a laboratory, including a bottom frame 1. A plurality of placement plates 2 are provided inside the bottom frame 1. The outer side wall of one placement plate 2 is fixedly connected to the inner side wall of the bottom frame 1. The upper surface of the placement plate 2 is provided with uniformly distributed placement grooves 3. A pair of T-shaped blocks 4 are fixedly connected to the upper surface of the placement plate 2. A pair of sliding grooves 5 are provided on the lower surface of the placement plate 2. The outer side wall of the adjacent T-shaped block 4 is slidably connected to the inner side wall of the sliding groove 5. A test tube body 6 is provided inside the placement groove 3. A support ring 7 is slidably connected to the outer side wall of the test tube body 6. A connection hole 8 is provided on the left side of the inner side wall of the support ring 7. A rotating rod 9 is fixedly connected to the right side of the lower surface of the support ring 7. The adjacent rotating rod 9 is rotatably connected to the connection hole 8. The inner side wall of the bottom frame 1 is threadedly connected with a threaded rod 10. The right end of the threaded rod 10 is rotatably connected to the left side wall of one placement plate 2. When in use, rotate the threaded rod 10 to push the lowermost placement plate 2 to move to the right. The T-shaped block 4 slides in the sliding groove 5, driving the multi-layer placement plates 2 to extend. Insert the test tube body 6 into the support ring 7, and the bottom is limited by the placement groove 3 to keep the test tube body 6 vertically placed. When not in use, reverse the threaded rod 10 to retract the multi-layer placement plates 2 into the bottom frame 1. The adjacent support rings 7 are rotated and folded through the rotating rod 9, so that the plurality of support rings 7 are perpendicular to each other, and can be retracted and expanded, and will not occupy a large space when idle, making the experimental operation table not easy to be crowded.

[0023] In this embodiment, specifically: the left end of the threaded rod 10 is fixedly connected with a knob 11, and anti-slip patterns 12 are provided on the outer side wall of the knob 11; the threaded rod 10 can be conveniently rotated manually through the knob 11 for adjustment.

[0024] In this embodiment, specifically: the upper surface of the chassis 1 is fixedly connected with evenly distributed left support columns 13, and a clamping groove 14 is provided on the upper surface of the left support column 13. The inner side wall of the clamping groove 14 is slidably connected with the outer side wall of the support ring 7; the leftmost support ring 7 can be limited and supported through the clamping groove 14.

[0025] In this embodiment, specifically: a plug rod 15 is fixedly connected to the inner side wall of the clamping groove 14, and the outer side wall of the plug rod 15 is inserted into the inner side wall of the connection hole 8; the leftmost support ring 7 is connected through the plug rod 15 to improve stability.

[0026] In this embodiment, specifically: the right side wall of a placement plate 2 is fixedly connected with evenly distributed right support columns 16, and a jack 17 is provided on the inner side wall of the right support column 16. The outer side wall of the rotating rod 9 is inserted into the inner side wall of the jack 17; the rightmost support ring 7 is supported and limited through the right support column 16. When the lowermost placement plate 2 moves, the support ring 7 can be pulled to unfold through the right support column 16.

[0027] In this embodiment, specifically: the number of placement plates 2 is odd, and the placement plates 2 and the support rings 7 are arranged in correspondence.

[0028] The working principle of the present utility model is as follows: during use, the left support column 13 is connected to the leftmost support ring 7 through the plug rod 15, which can limit its rotation and provide support. The right support column 16 is connected to the rightmost support ring 7 through the jack 17. The threaded rod 10 is rotated to push the lowermost placement plate 2 to move to the right. The T-shaped block 4 slides in the sliding groove 5, driving the multi-layer placement plates 2 to extend. Driven by the right support column 16, the folded support rings 7 are unfolded. The test tube body 6 is inserted into the support ring 7, and the bottom is limited through the placement groove 3 to keep the test tube body 6 vertically placed. When not in use, the threaded rod 10 is reversed to retract the multi-layer placement plates 2 into the chassis 1. The adjacent support rings 7 are rotated and folded through the rotating rod 9, making the multiple support rings 7 perpendicular to each other, capable of being retracted and unfolded, and not occupying a large space when idle, so that the experimental operation table is not prone to congestion.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A test tube rack for laboratory use, comprising a base frame (1), characterized in that: A plurality of placement plates (2) are provided on the inner side of the base frame (1), the outer side wall of one of the placement plates (2) is fixedly connected to the inner side wall of the base frame (1), the upper surface of the placement plate (2) is provided with evenly distributed placement grooves (3), the upper surface of the placement plate (2) is fixedly connected to a pair of T-shaped blocks (4), the lower surface of the placement plate (2) is provided with a pair of sliding grooves (5), the outer side walls of adjacent T-shaped blocks (4) are slidably connected to the inner side walls of the sliding grooves (5), and the placement grooves (3 ) is provided with a test tube body (6) on the inner side, the outer side wall of the test tube body (6) is slidably connected with a support ring (7), a connecting hole (8) is opened on the left side of the inner side wall of the support ring (7), a rotating rod (9) is fixedly connected to the right side of the lower surface of the support ring (7), and the adjacent rotating rod (9) is rotatably connected to the connecting hole (8), and a threaded rod (10) is threadedly connected to the inner side wall of the base frame (1), and the right end of the threaded rod (10) is rotatably connected to the left side wall of one of the placement plates (2).

2. A laboratory test tube rack according to claim 1, characterized in that: The left end of the threaded rod (10) is fixedly connected to a knob (11), and the outer side wall of the knob (11) is provided with anti-slip grooves (12).

3. A laboratory test tube rack according to claim 1, characterized in that: The upper surface of the base frame (1) is fixedly connected with evenly distributed left pillars (13), and the upper surface of the left pillar (13) is provided with a slot (14), and the inner side wall of the slot (14) is slidably connected with the outer side wall of the support ring (7).

4. A laboratory test tube rack according to claim 3, characterized in that: An insertion rod (15) is fixedly connected to the inner side wall of the clamping slot (14), and the outer side wall of the insertion rod (15) is plugged into the inner side wall of the connecting hole (8).

5. A laboratory test tube rack according to claim 1, characterized in that: A right side wall of the placement plate (2) is fixedly connected to evenly distributed right pillars (16), an inner side wall of the right pillar (16) is provided with an insertion hole (17), and the outer side wall of the rotating rod (9) is plugged into the inner side wall of the insertion hole (17).

6. A laboratory test tube rack according to claim 1, characterized in that: The number of the placement plates (2) is odd, and the placement plates (2) and the support rings (7) are arranged correspondingly.

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