CN106824343A - A kind of angular adjustment rack for test tube fixing device - Google Patents

Abstract

The invention relates to an angle-adjusting test tube rack fixing device, comprising a base, a test tube rack placing frame and a test tube rack fixing device, the base is composed of two base side plates and connecting rods, the test tube rack placing frame includes a bottom plate, a frame side Plate, upper connecting rod and lower connecting rod, the test tube rack jacking mechanism is composed of a screw rod, two positioning nuts and a top plate, and a test tube rack top is respectively installed on the two frame side plates and the two mounting plates of the test tube rack placing frame. Tightening mechanism, the frame side plates are movably connected with the base side plates through rotating shafts, one of the base side plates has an arc-shaped slideway, and the corresponding frame side plate is equipped with a slide bar, which is located in the arc-shaped slideway and extends On the outside of the arc-shaped slideway, the slide bar is fixed on the side plate of the base through threads and angle lock nuts. The present invention can accurately and arbitrarily adjust the inclination angle of the test tube rack according to actual needs, and the present invention is also applicable to test tube racks of different sizes and specifications, and has a wide application range and a simple structure.

Description

An Angle Adjusting Test Tube Rack Fixing Device

technical field

The invention relates to a test tube rack fixing device, in particular to an angle-adjusting test tube rack fixing device.

Background technique

The structure of the existing test tube rack can only place the test tubes vertically, and cannot allow the test tubes to be placed obliquely. Now the laboratory is carrying out various experiments, especially in cell culture, it is necessary to tilt the test tube to a certain angle for a period of time, and the current test tube rack structure cannot allow the test tube to tilt to the angle required by the experiment, it is difficult Meet the needs of the experiment. During the experiment, the staff can only use other auxiliary tools to tilt and fix the test tube rack. Since there is no special fixing device, it is difficult for the staff to accurately tilt the test tube rack to a suitable angle during the operation of tilting the test tube rack. And the operation is inconvenient, which affects the efficiency of the work and the accuracy of the experiment.

In the currently disclosed patent literature, some test tube rack structures that can be inclined to place test tubes are disclosed, but after the improved structure of these test tube racks, there are still the following deficiencies, for example: only a single test tube rack can be placed at an angle of inclination, That is, the inclination angle cannot be adjusted according to actual needs, or vertical test tubes cannot be placed, or only test tubes of a certain specification can be placed, the versatility is not good, or the structure is complicated and so on.

Contents of the invention

The technical problem to be solved by the present invention is to provide an angle-adjusting test tube rack fixing device that can accurately and arbitrarily adjust the tilt angle according to actual needs. The angle-adjusting test tube rack fixing device can be applied to test tube racks of different sizes and specifications. Wide, simple structure.

The technical solution for solving the above-mentioned technical problems is: an angle-adjusting test tube rack fixing device, including a base, a test tube rack placement frame and a test tube rack fixing device, the base is composed of two base side plates and connected to the two base side plates The test tube rack placement frame includes a bottom plate, two frame side plates connected at both ends of the bottom plate, two mounting plates, two upper connecting rods connected between the two frame side plates and two lower The connecting rod and the mounting plate are connected between the upper connecting rod and the lower connecting rod. There are at least four test tube rack clamping mechanisms, and each test tube rack clamping mechanism is composed of a screw rod, two positioning nuts and a top plate. , the two frame side plates and the two mounting plates of the test tube rack placement frame are respectively equipped with a test tube rack tightening mechanism, that is, the screw rod of the test tube rack tightening mechanism passes through the frame side plate or the mounting plate, and the top plate is fixed to one end of the screw rod Connected and located in the test tube rack placement frame, the screw is fixed on the side plate of the frame or the mounting plate through two positioning nuts, and the two positioning nuts are respectively located on the inner and outer sides of the side plate of the frame or the mounting plate, the two frames The side plates are movably connected to the side plates of the base through rotating shafts, one of the side plates of the base has an arc-shaped slideway, and a slide bar is installed on the corresponding frame side plate, the slide bar is located in the arc-shaped slideway and extends out of the arc-shaped slideway On the outside of the track, the slide bar is fixed on the side plate of the base through threads and angle lock nuts, and the bottom plate of the test tube rack placement frame is higher than the bottom end surface of the base.

The side panels of the base are triangular.

Both the positioning nut and the angle lock nut of the test tube rack jacking mechanism are plum-shaped nuts.

The top plate of the test tube rack tightening mechanism installed on the mounting plate is arranged vertically.

Owing to adopting above-mentioned structure, the present invention has following beneficial effect:

1. The test tube rack placing frame and the base of the present invention are connected by a rotating shaft, that is, the angle between the test tube rack placing frame and the base can be adjusted accurately and arbitrarily according to the experimental needs. After adjusting to a suitable angle, it is located in the arc-shaped slideway The slide bar can be fixed on the side plate of the base through the angle lock nut to fix the angle between the test tube rack placing frame and the base. The test tube is also in a tilted state. Therefore, by adopting the present invention, the inclination angle of the test tube can be precisely adjusted, which can meet the requirements of various experiments, especially cell culture experiments, and can improve the quality of culture.

2. The present invention tightens the outside of the test tube rack through the test tube rack fixing device, and by adjusting the length of the screw rod in the test tube rack fixing device extending into the test tube rack placement frame, it can tighten test tube racks of different sizes and specifications, so the present invention is applicable to different sizes. The standard test tube rack has a wider range of use and good versatility.

3. The present invention is an angle adjustment device specially used for test tube racks, with simple structure and convenient operation, which can improve the working efficiency of staff and ensure the quality of experiments.

Description of drawings

Figure 1: A three-dimensional view of the angle-adjusting test tube rack fixing device of the present invention.

Fig. 2: Front sectional view of the angle-adjusting test tube rack fixing device of the present invention.

Figure 3: One of the three-dimensional views of the present invention in use.

Figure 4: The second perspective view of the use state of the present invention.

In the figure: 1-base, 11-base side plate, 111-curved slideway, 12-connecting rod, 2-test tube rack placement frame, 21-bottom plate, 22-frame side plate, 23-installation plate, 24-top Connecting rod, 25-lower connecting rod, 3-test tube rack fixing device, 31-screw rod, 32-locating nut, 33-top plate, 4-rotating shaft, 5-sliding rod, 6-angle locking nut.

P-Test tube rack.

detailed description

Embodiment: An angle-adjusting test tube rack fixing device, as shown in Fig. 1-Fig. It is composed of a connecting rod 12 connected between two base side plates, and the test tube rack placement frame 2 includes a bottom plate 21, two frame side plates 22 connected at both ends of the bottom plate, two mounting plates 23, and two frames connected to each other. Two upper connecting rods 24 and two lower connecting rods 25 between the side plates, the mounting plate is connected between the upper connecting rods and the lower connecting rods, and four test tube rack jacking mechanisms 3 are provided, each test tube rack The top tightening mechanism is all made of screw rod 31, two positioning nuts 32 and top plate 33, and a test tube rack top tightening mechanism 3 is respectively installed on the two frame side plates 22 and the two mounting plates 23 of the test tube rack placement frame, that is, the test tube The screw rod 31 of the frame jacking mechanism passes through the frame side plate 22 or the mounting plate 23, and the top plate 33 is fixedly connected with one end of the screw rod 31 and is located in the test tube rack placement frame. The screw rod is fixed on the frame side plate 22 or the frame by two positioning nuts 32 On the mounting plate 23, two positioning nuts are respectively located on the frame side plate or the inside and outside sides of the mounting plate. The two frame side plates 22 are respectively movably connected to the base side plate 11 through the rotating shaft 4, and one of the base side plates There is an arc-shaped slideway 111 on the top, and a slide bar 5 is installed on the corresponding frame side plate. The slide bar is located in the arc-shaped slideway and extends out of the arc-shaped slideway. The slide bar is fixed on the base through threads and angle lock nuts 6. On the side plate, the bottom plate of the test tube rack placement frame is higher than the bottom end surface of the base, and the height of the bottom end face of the base plate 21 is higher than the base 1. It is advisable not to touch the bottom support platform when the test tube rack placement frame rotates.

In this embodiment, the base side plate 11 is triangular. As a change, the base side plate 11 can also be square, rectangular or other suitable shapes.

In this embodiment, the positioning nut 32 and the angle locking nut 6 of the test tube rack clamping mechanism are both plum-shaped nuts, which are convenient to hold and twist by hand. As a change, the positioning nut 32 and the angle lock nut 6 can also adopt nuts of other shapes.

In this embodiment, the top plate 33 of the test tube rack tightening mechanism installed on the installation plate 23 is arranged vertically so as to tighten the test tube rack. As a change, the top plate can also be arranged in other directions, as long as it can hold the test tube rack tightly.

As a modification of this embodiment, the test tube rack tightening mechanism 3 can also be added as required, and two can be respectively installed on the frame side plate 22 or the mounting plate 23 .

Use process: place the test tube rack P in the test tube rack placement frame 2, then adjust the test tube rack tightening mechanism 3 on the frame side plate 22 and the installation plate 23, and adjust the screw rod 31 to extend into the test tube rack placement frame by rotating the positioning nut 32 The length inside 2 makes the top plate 33 press against the outside of the test tube rack, and then tighten the positioning nut 32 to fix the screw; then loosen the angle lock nut 6, and push the test tube rack placement frame 2 to rotate by hand, while the slide bar 5 slides in an arc. Slide in the track 111, when the test tube rack placement frame 2 turns to a suitable angle, tighten the angle lock nut 6 to fix the slide bar 5 on the base side plate 11, that is, the inclination angle of the test tube rack placement frame 2 is fixed.

Claims (4)

1. An angle-adjusting test tube rack fixing device, characterized in that it includes a base (1), a test tube rack placement frame (2) and a test tube rack fixing device (3), and the base (1) is composed of two base sides plate (11) and a connecting rod (12) connected between two base side plates, the test tube rack placement frame (2) includes a bottom plate (21), two frame side plates (22) connected at both ends of the bottom plate ), two mounting plates (23), two upper links (24) and two lower links (25) connected between the two frame side plates, the mounting plate is connected between the upper links and the lower links, There are at least four test tube rack tightening mechanisms (3), and each test tube rack tightening mechanism is composed of a screw (31), two positioning nuts (32) and a top plate (33). A test tube rack tightening mechanism (3) is installed on the two frame side plates (22) and the two mounting plates (23), that is, the screw rod (31) of the test tube rack tightening mechanism passes through the frame side plate (22) Or the mounting plate (23), the top plate (33) is fixedly connected to one end of the screw rod (31) and is located in the test tube rack placement frame, and the screw rod is fixed on the frame side plate (22) or the mounting plate ( 23), the two positioning nuts are respectively located on the inner and outer sides of the frame side plate or the installation plate, and the two frame side plates (22) are movably connected to the base side plate (11) through the rotating shaft (4) respectively, wherein There is an arc-shaped slideway (111) on one of the side plates of the base, and a slide bar (5) is installed on the corresponding frame side plate. The slide bar is located in the arc-shaped slideway and extends out of the arc-shaped slideway. The angle lock nut (6) is fixed on the side plate of the base, and the bottom plate of the test tube rack placement frame is higher than the bottom end surface of the base. 2. An angle-adjusting test tube rack fixing device according to claim 1, characterized in that: the side plate (11) of the base is triangular. 3. An angle-adjusting test tube rack fixing device according to claim 1, characterized in that: both the positioning nut (32) and the angle locking nut (6) of the test tube rack clamping mechanism are plum-shaped nuts. 4. An angle-adjusting test tube rack fixing device according to claim 1, characterized in that: the top plate (33) of the test tube rack tightening mechanism installed on the installation plate (23) is arranged vertically.