CN210994402U

CN210994402U - Test bench for university experiments

Info

Publication number: CN210994402U
Application number: CN201921742477.1U
Authority: CN
Inventors: 张秋香
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-14
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to the field of test beds, in particular to a test bed for university experiments, which comprises a bottom plate and a test bed, wherein the bottom end surface of the bottom plate is fixedly connected with wheels, the inner side of the left end surface of the bottom plate is fixedly connected with a motor, the end of a main shaft of the motor is fixedly connected with a first threaded shaft, the first threaded shaft is rotationally connected with the bottom plate, the left side of the front end surface of the test bed is fixedly connected with a controller, the left end surface of the test bed is fixedly connected with a supporting plate, and the inner side of the bottom end surface of the supporting plate is rotationally connected with a worm wheel, in the utility model, when the test bed is used, the motor is controlled to rotate by the controller, the motor drives the first threaded shaft to rotate, the first threaded shaft controls the lifting connecting rod to rotate by the first slider, so that the height of the test bed can be adjusted, and a user can adjust the test bed to a proper height according, the experiment is convenient to carry out.

Description

Test bench for university experiments

Technical Field

The utility model relates to a test bench field specifically is a test bench for university's experiments.

Background

University's experiment teaching and theoretical profession cooperate, be favorable to the student to the deep understanding of knowledge and consolidate the grasp, experiment teaching is favorable to mobilizing student's subjective initiative, be the important way of developing student's intelligence, experiment teaching is the help student to set up correct view, form scientific attitude and scientific effective measure of making wind, the test bench is used very extensively in university's experiment teaching, the test bench is very important in experiment teaching, but there are some defects in the test bench on the market at present, consequently, the demand to a test bench for university's experiment is growing day by day.

The test bench of school's purchase is the test bench of fixed height model mostly, however because every university student's self height is different, the test bench height can not be adjusted, it is inconvenient that the university student tests, influence the use of university student in the experiment, the test bench shelves outside for a long time after the experiment is ended simultaneously, the test bench surface can accumulate the dust, the student will clear up the test bench surface before doing the experiment, student's intensity of labour has been increased, extravagant classroom time, therefore, propose a test bench for the university experiment to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a university is test bench for experiments to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a test bench for university's experiments, includes bottom plate and test bench, bottom plate bottom end face fixedly connected with wheel, the inboard fixedly connected with motor of bottom plate left end face, the terminal first screw thread axle of fixedly connected with of motor spindle, first screw thread axle rotates with the bottom plate to be connected, terminal surface left side fixedly connected with controller before the test bench, test bench left end face fixedly connected with backup pad, the inboard rotation of backup pad bottom end face is connected with the worm wheel.

Preferably, first threaded shaft outside screwed connection has first slider, first slider runs through the bottom plate, first slider and bottom plate sliding connection, first slider top face fixedly connected with first connecting block, first connecting block and bottom plate sliding connection, bottom plate top face right side fixedly connected with second connecting block, terminal surface all rotates before first connecting block and the second connecting block and is connected with the lift connecting rod, lift connecting rod top right side rotates and is connected with the third connecting block, third connecting block and test bench fixed connection, lift connecting rod top left side rotates and is connected with the fourth connecting block.

Preferably, a sliding groove is formed in the left side of the bottom end face of the test bed, and the fourth connecting block is connected with the inner wall of the sliding groove in a sliding mode.

Preferably, the worm is meshed with the outer side of the worm wheel and is rotatably connected with the supporting plate, the left end face of the worm is fixedly connected with a handle, the handle penetrates through the supporting plate, and the handle is rotatably connected with the supporting plate.

Preferably, worm wheel top terminal surface fixedly connected with second screw thread axle, second screw thread axle rotates with the backup pad to be connected, second screw thread axle outside screwed connection has the second slider, the second slider runs through the backup pad, second slider and backup pad sliding connection, second slider right-hand member face fixedly connected with dust proof box, dust proof box and backup pad sliding connection, dust proof box and test bench sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arranged motor, the first threaded shaft, the first slider and the lifting connecting rod, when the test bed is used, the motor is controlled to rotate by the controller, the motor drives the first threaded shaft to rotate, and the first threaded shaft controls the lifting connecting rod to rotate by the first slider, so that the height of the test bed can be adjusted, and a user can adjust the test bed to a proper height according to own requirements, thereby facilitating the experiment;

2. the utility model discloses in, through handle, worm wheel, second threaded shaft and the dust-proof box that sets up, after the experiment, drive the worm through rotating the handle and rotate, the worm passes through the worm wheel and drives second threaded shaft and rotate, and second threaded shaft drives the dust-proof box motion through the second slider, and the dust-proof box downstream covers on the test bench surface, prevents that test bench surface area from tired the dust, reduces student intensity of labour, saves classroom time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the installation structure of the lifting connecting rod of the present invention.

In the figure: the device comprises a base plate 1, wheels 2, a motor 3, a first threaded shaft 4, a first sliding block 5, a first connecting block 6, a second connecting block 7, a lifting connecting rod 8, a third connecting block 9, a fourth connecting block 10, a sliding chute 11, a test bed 12, a controller 13, a support plate 14, a worm wheel 15, a worm 16, a handle 17, a second threaded shaft 18, a second sliding block 19 and a dustproof box 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a test bench for university's experiments, includes bottom plate 1 and

test bench

12, 1 bottom face fixedly connected with wheel 2 of bottom plate, this kind of setting is favorable to removing test bench 12, the inboard fixedly connected with motor 3 of 1 left end face of bottom plate, the terminal fixedly connected with first threaded spindle 4 of motor 3 main shaft, first threaded spindle 4 rotates with bottom plate 1 to be connected, terminal surface left side fixedly connected with controller 13 before test bench 12, this kind of setting is favorable to highly adjusting

test bench

12, 12 left end face fixedly connected with backup pad 14 of test bench, 14 bottom face inboard rotations of backup pad are connected with worm wheel 15.

A first sliding block 5 is spirally connected to the outer side of the first threaded shaft 4, the first sliding block 5 penetrates through the bottom plate 1, the first sliding block 5 is connected with the bottom plate 1 in a sliding mode, a first connecting block 6 is fixedly connected to the top end face of the first sliding block 5, the first connecting block 6 is connected with the bottom plate 1 in a sliding mode, a second connecting block 7 is fixedly connected to the right side of the top end face of the bottom plate 1, a lifting connecting rod 8 is rotatably connected to the front end face of the first connecting block 6 and the front end face of the second connecting block 7, a third connecting block 9 is rotatably connected to the right side of the top end of the lifting connecting rod 8, the third connecting block 9 is fixedly connected with the test bed 12, and a fourth connecting block 10 is rotatably connected to the left side of the top end of the lifting connecting rod 8, so that; the sliding groove 11 is formed in the left side of the bottom end face of the test bed 12, and the fourth connecting block 10 is in sliding connection with the inner wall of the sliding groove 11, so that the test bed 12 is beneficial to limiting the movement of the fourth connecting block 10 in the lifting process, and the lifting stability is ensured; a worm 16 is meshed with the outer side of the worm wheel 15, the worm 16 is rotatably connected with the supporting plate 14, a handle 17 is fixedly connected to the left end face of the worm 16, the handle 17 penetrates through the supporting plate 14, and the handle 17 is rotatably connected with the supporting plate 14, so that the dust box 20 can be conveniently adjusted in ascending and descending motions; worm wheel 15 top terminal surface fixedly connected with second threaded shaft 18, second threaded shaft 18 rotates with backup pad 14 to be connected, second threaded shaft 18 outside threaded shaft has second slider 19, second slider 19 runs through backup pad 14, second slider 19 and backup pad 14 sliding connection, 19 right-hand member face fixedly connected with dust proof box 20 of second slider, dust proof box 20 and backup pad 14 sliding connection, dust proof box 20 and test bench 12 sliding connection are favorable to protecting test bench 12 surface after the experiment, prevent that the dust from at test bench 12 surface accumulation.

The model of the motor 3 is Y80M1-1, and the model of the controller 13 is PIC16F 72-I.

The working process is as follows: the power supplies of all electrical appliances in the device are external power supplies, during the experiment, the worm 16 is driven to rotate by rotating the handle 17, the worm 16 drives the worm wheel 15 to rotate, the worm wheel 15 drives the second threaded shaft 18 to rotate, the second threaded shaft 18 drives the second slide block 19 to move up and down, the second slide block 19 drives the dust-proof box 20 to move up and down, the dust-proof box 20 is lifted up, then the motor 3 is controlled to rotate by the controller 13, the motor 3 drives the first threaded shaft 4 to rotate, the first threaded shaft 4 drives the first slide block 5 to move, the first slide block 5 drives the first connecting block 6 to move, the first connecting block 6 drives the lifting connecting rod 8 to move up and down by the second connecting block 7, the third connecting block 9 and the fourth connecting block 10, so as to drive the test bed 12 to move up and down, the height of the test bed 12 can be adjusted to be an appropriate height for the experiment, after the test, the controller 13 controls the motor 3 to rotate reversely to reset the test bed 12, and the reverse rotation handle 17 drives the dust-proof box 20 to reset and cover the surface of the test bed 12 to prevent dust accumulation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A university is test bench for experiments, includes bottom plate (1) and test bench (12), its characterized in that: bottom plate (1) bottom face fixedly connected with wheel (2), bottom plate (1) left end face inboard fixedly connected with motor (3), the terminal fixedly connected with first screw thread axle (4) of motor (3) main shaft, first screw thread axle (4) rotate with bottom plate (1) and are connected, terminal surface left side fixedly connected with controller (13) before test bench (12), test bench (12) left end face fixedly connected with backup pad (14), backup pad (14) bottom face inboard is rotated and is connected with worm wheel (15).

2. The university laboratory test stand of claim 1, further comprising: first threaded spindle (4) outside spiral connection has first slider (5), bottom plate (1) runs through in first slider (5), first slider (5) and bottom plate (1) sliding connection, first slider (5) top face fixedly connected with first connecting block (6), first connecting block (6) and bottom plate (1) sliding connection, bottom plate (1) top face right side fixedly connected with second connecting block (7), terminal surface all rotates before first connecting block (6) and second connecting block (7) and is connected with lift connecting rod (8), lift connecting rod (8) top right side rotates and is connected with third connecting block (9), third connecting block (9) and test bench (12) fixed connection, lift connecting rod (8) top left side rotates and is connected with fourth connecting block (10).

3. The university laboratory test stand of claim 2, wherein: a sliding groove (11) is formed in the left side of the bottom end face of the test bed (12), and the fourth connecting block (10) is connected with the inner wall of the sliding groove (11) in a sliding mode.

4. The university laboratory test stand of claim 1, further comprising: worm (16) have been meshed in the worm wheel (15) outside, worm (16) are rotated with backup pad (14) and are connected, worm (16) left end face fixedly connected with handle (17), backup pad (14) is run through in handle (17), handle (17) are rotated with backup pad (14) and are connected.

5. The university laboratory test stand of claim 1, further comprising: worm wheel (15) top terminal surface fixedly connected with second threaded shaft (18), second threaded shaft (18) rotates with backup pad (14) and is connected, second threaded shaft (18) outside threaded connection has second slider (19), backup pad (14) is run through in second slider (19), second slider (19) and backup pad (14) sliding connection, second slider (19) right-hand member face fixedly connected with dust box (20), dust box (20) and backup pad (14) sliding connection, dust box (20) and test bench (12) sliding connection.