Experiment test tube supporting frame

Abstract

The utility model discloses an experiment test tube supporting frame which comprises a balance weight base, a piston tube is fixed to the outer wall of the top of the balance weight base through bolts, a piston rod is inserted into the inner wall of the piston tube in a sliding mode, a T-shaped top plate is welded to the outer wall of the top of the piston rod, and a supporting block is welded to the outer wall of one side of the T-shaped top plate. A rotating shaft is rotationally arranged in the middle of the supporting block, a micro servo motor is connected to the outer wall of one side of the rotating shaft through a coupler, a fixed supporting rod is welded to the outer wall of the rotating shaft, and positioning inserting grooves distributed at equal intervals are formed in the outer wall of the top of the fixed supporting rod. When the test tube clamp is used for clamping test tubes with different diameters, the size of the inner wall can be adjusted by directly pressing the spring clamp, so that the test tubes with different sizes can be quickly clamped and fixed, and the non-slip mat is adhered to the inner wall of the spring clamp, so that the contact surfaces of the test tubes are in soft contact, and the test tube clamp is convenient to use. The test tube can be quickly fixed, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to an experimental test tube supporting frame. Background Art

[0002] The instruments used in chemical experiments are called chemical instruments. They can measure or react materials. They are mainly divided into measuring instruments and reaction instruments. The instruments are combined in a specific way to form a device to achieve the purpose of the experiment. The test tube support rack is an indispensable experimental instrument in chemical experiments, but there are still some problems in the use of the existing experimental test tube support rack:

[0003] The existing test tube holder for experiments cannot conveniently and quickly adjust the tilt angle of the holder during the use of the test tube, so the test tube cannot be quickly adjusted to the tilt angle, resulting in changes in the angle of the test tube during the experiment, which requires manual adjustment, resulting in certain inconveniences.

[0004] Poor adaptability. The existing test tube holder cannot quickly clamp and fix test tubes of different diameters during use, and the clamping assembly needs to be manually adjusted to clamp and fix the test tube. However, such a clamping and fixing method still has some inconveniences during use. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides an experimental test tube support frame.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An experimental test tube support frame comprises a counterweight base, a piston tube is fixed to the top outer wall of the counterweight base by bolts, and a piston rod is slidably inserted into the inner wall of the piston tube, a T-shaped top plate is welded to the top outer wall of the piston rod, and a support block is welded to the outer wall of one side of the T-shaped top plate, a rotating shaft is rotatably arranged in the middle of the support block, and a micro servo motor is connected to the outer wall of one side of the rotating shaft by a coupling, a fixed support rod is welded to the outer wall of the rotating shaft, and the top outer wall of the fixed support rod is provided with positioning slots distributed at equal distances, and the bottom inner wall of the positioning slot is provided with a positioning hole.

[0008] As a further solution of the utility model: a positioning block is inserted and fixed on the inner wall of the positioning slot, and a spring clip is arranged on the top of the positioning block, and an anti-slip pad is bonded to the inner wall of the spring clip.

[0009] As a further solution of the utility model: a threaded rod is welded to the outer wall of the bottom of the positioning plug, and a hexagonal nut is screwed to the outer wall of the threaded rod.

[0010] As a further solution of the utility model: a supporting top frame is welded to an outer wall on one side of the top of the T-shaped top plate, and the size of the supporting top frame is matched with the size of the fixed support rod.

[0011] As a further solution of the utility model: the inner wall of one side of the bottom of the piston tube is connected with an air pipe, and the air pipe is connected with an air pump.

[0012] As a further solution of the utility model: the top outer wall of the T-shaped top plate is penetrated with symmetrically distributed limiting holes, and the inner wall of the limiting hole is slidably inserted with a limiting guide rod, and the limiting guide rod forms a sliding fit with the limiting hole.

[0013] As a further solution of the utility model: the fixed support rod can be adjusted along the tilting direction, and the tilting range of the fixed support rod is 0°-60°.

[0014] Compared with the prior art, the utility model provides an experimental test tube support frame, which has the following beneficial effects:

[0015] The invention discloses an experimental test tube support frame. In the process of clamping and using test tubes of different diameters, the inner wall size can be adjusted by directly pressing a spring clip, so that test tubes of different sizes can be quickly clamped and fixed. In addition, the inner wall of the spring clip is bonded with an anti-skid pad, which can not only provide soft contact with the contact surface of the test tube, but also quickly fix the test tube, and the operation is simple and convenient.

[0016] An experimental test tube support frame can use an external micro servo motor to quickly adjust the tilt angle of the fixed support frame to meet the adjustment problem during the use of the test tube during the process of clamping and fixing the test tube, thereby quickly changing the use angle requirement of the test tube and greatly improving the overall flexibility and reliability of the support frame.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an experimental test tube support frame proposed by the utility model;

[0019] Figure 2 This is a bottom view of the overall structure of an experimental test tube support frame proposed by the utility model;

[0020] Figure 3 This is a first-view structural schematic diagram of an experimental test tube support frame proposed by the utility model.

[0021] In the figure: 1. counterweight base; 2. piston tube; 3. piston rod; 4. T-shaped top plate; 5. support block; 6. rotating shaft; 7. micro servo motor; 8. fixed support rod; 9. positioning slot; 10. positioning socket; 11. positioning plug block; 12. spring clip; 13. threaded rod; 14. hexagonal nut; 15. support top frame; 16. air pipe; 17. air pump; 18. limit hole; 19. limit guide rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Embodiment 1

[0023] An experimental test tube support rack, this embodiment is based on the problems of the existing test tube racks in laboratories, in order to achieve fast and flexible adjustment, such as Figure 1-3 As shown, it includes a counterweight base 1, the top outer wall of the counterweight base 1 is fixed with a piston tube 2 by bolts, and the inner wall of the piston tube 2 is slidably plugged with a piston rod 3, the top outer wall of the piston rod 3 is welded with a T-shaped top plate 4, and the outer wall of one side of the T-shaped top plate 4 is welded with a support block 5, a rotating shaft 6 is rotatably arranged in the middle of the support block 5, and the outer wall of one side of the rotating shaft 6 is connected to a micro servo motor 7 through a coupling, a fixed support rod 8 is welded to the outer wall of the rotating shaft 6, and the top outer wall of the fixed support rod 8 is provided with positioning slots 9 distributed at equal distances, and the bottom inner wall of the positioning slot 9 is provided with a positioning socket 10;

[0024] When clamping test tubes of different diameters, the inner wall size can be adjusted by directly pressing the spring clip 12, so that test tubes of different sizes can be quickly clamped and fixed. In addition, the inner wall of the spring clip 12 is bonded with an anti-slip pad, which can not only provide soft contact with the contact surface of the test tube, but also quickly fix the test tube, and the operation is simple and convenient.

[0025] A positioning block 11 is inserted and fixed to the inner wall of the positioning slot 9, and a spring clip 12 is arranged on the top of the positioning block 11, and an anti-slip pad is bonded to the inner wall of the spring clip 12, a threaded rod 13 is welded to the outer wall of the bottom of the positioning block 11, and a hexagonal nut 14 is screwed to the outer wall of the threaded rod 13;

[0026] A supporting top frame 15 is welded to the outer wall of one side of the top of the T-shaped top plate 4 , and the size of the supporting top frame 15 is adapted to the size of the fixed support rod 8 .

[0027] The inner wall of one side of the bottom of the piston tube 2 is connected with an air pipe 16, and the air pipe 16 is connected with an air pump 17;

[0028] During the process of clamping and fixing the test tube, in order to meet the adjustment problem during the use of the test tube, the inclination angle of the fixed support rod 8 can be quickly adjusted with the help of an external micro servo motor 7, thereby quickly changing the use angle requirement of the test tube, greatly improving the overall flexibility and reliability of the support frame.

[0029] When using this embodiment, first, the test tube support frame is assembled as a whole and connected to an external power supply for power supply. Then, according to the actual use spacing requirements of the test tube, the positioning plug 11 is inserted and fixed in a suitable positioning slot 9, and then the bottom is screwed and fixed with a hexagonal nut 14. After fixing, the test tube to be fixed is placed inside the spring clip 12, and the spring clip 12 is used to quickly clamp and fix the test tube. After clamping, in actual use, when the inclination angle of the test tube needs to be adjusted, it is only necessary to start the micro servo motor 7 on the side, and the fixed support rod 8 can be driven to rotate with the help of the external micro servo motor 7, thereby quickly changing the inclination angle of the test tube, thereby meeting the needs of different actual use processes. Embodiment 2

[0030] A test tube support frame, such as Figure 1-3 As shown, this embodiment makes the following supplements on the basis of Embodiment 1: the top outer wall of the T-shaped top plate 4 is penetrated with symmetrically distributed limit holes 18, and the inner wall of the limit hole 18 is slidably inserted with a limit guide rod 19, the limit guide rod 19 forms a sliding fit with the limit hole 18, the fixed support rod 8 can be adjusted along the tilting direction, and the tilting range of the fixed support rod 8 is 0°-60°.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An experimental test tube support frame, comprising a weighted base (1), characterized in that: The top outer wall of the counterweight base (1) is fixed with a piston tube (2) by bolts, and the inner wall of the piston tube (2) is slidably plugged with a piston rod (3), the top outer wall of the piston rod (3) is welded with a T-shaped top plate (4), and the outer wall of one side of the T-shaped top plate (4) is welded with a support block (5), a rotating shaft (6) is rotatably arranged in the middle of the support block (5), and the outer wall of one side of the rotating shaft (6) is connected to a micro servo motor (7) through a coupling, a fixed support rod (8) is welded to the outer wall of the rotating shaft (6), and the top outer wall of the fixed support rod (8) is provided with positioning slots (9) distributed at equal distances, and the bottom inner wall of the positioning slot (9) is provided with a positioning socket (10).

2. The experimental test tube support frame according to claim 1, characterized in that: A positioning block (11) is inserted and fixed on the inner wall of the positioning slot (9), and a spring clip (12) is provided on the top of the positioning block (11), and an anti-slip pad is bonded to the inner wall of the spring clip (12).

3. The experimental test tube support frame according to claim 2, characterized in that: A threaded rod (13) is welded to the outer wall of the bottom of the positioning plug (11), and a hexagonal nut (14) is screwed to the outer wall of the threaded rod (13).

4. The experimental test tube support frame according to claim 1, characterized in that: A supporting top frame (15) is welded to an outer wall on one side of the top of the T-shaped top plate (4), and the size of the supporting top frame (15) is compatible with the size of the fixed support rod (8).

5. The experimental test tube support frame according to claim 1, characterized in that: An inner wall on one side of the bottom of the piston tube (2) is connected to an air pipe (16), and the air pipe (16) is connected to an air pump (17).

6. The experimental test tube support frame according to claim 1, characterized in that: The top outer wall of the T-shaped top plate (4) is penetrated by symmetrically distributed limiting holes (18), and the inner wall of the limiting hole (18) is slidably inserted with a limiting guide rod (19), and the limiting guide rod (19) forms a sliding fit with the limiting hole (18).

7. The experimental test tube support frame according to claim 1, characterized in that: The fixed support rod (8) can be adjusted along the tilting direction, and the tilting range of the fixed support rod (8) is 0°-60°.

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