CN218631109U

CN218631109U - Physical experiment demonstration device

Info

Publication number: CN218631109U
Application number: CN202221952615.0U
Authority: CN
Inventors: 史毅敏; 姚亚红
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-03-14
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a physics experiment presentation device, comprising a base plate, the dovetail groove has been seted up to the bottom plate upper end, is provided with the protractor in the dovetail groove, and protractor upper end both sides are provided with first U-shaped board and second U-shaped board, and first U-shaped board one end is provided with the fixed bolster, and the fixed bolster inside clamp is equipped with the laser pen, rotates between the first U-shaped board and between the second U-shaped board and is provided with the gyro wheel, and second U-shaped board one end is provided with the laser interception board, and threaded hole has all been seted up to the one end of first U-shaped board and second U-shaped board, and screw hole female connection has the threaded rod, and the threaded rod upper end sets up the knob. The accessible slides first U-shaped board and carries out angle of adjustment, and is fixed with first U-shaped board through the knob, then will open the laser pen, slides the second U-shaped board, makes the laser irradiation of laser pen reflection at the mid point of laser interception board, fixes the second U-shaped board, then can degree read out the angle through the angle pointer, accomplishes the experiment.

Description

Physical experiment demonstration device

Technical Field

The utility model belongs to the technical field of the physics experiment, concretely relates to physics experiment presentation device.

Background

When carrying out physics specular reflection principle teaching, for the convenience of students understand, improve teaching efficiency, teacher adopts the practice to impart knowledge to students usually, but prior art still adopts manual experiment to impart knowledge to students, leads to unable accurate measurement to carry out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a physics experiment presentation device to there is still to adopt manual experiment to teach among the solution prior art, leads to the unable problem of carrying out the precision measurement.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a physics experiment presentation device, includes the bottom plate, the dovetail groove has been seted up to the bottom plate upper end, be provided with the protractor in the dovetail groove, protractor upper end both sides are provided with first U-shaped board and second U-shaped board, first U-shaped board one end is provided with the fixed bolster, the fixed bolster inside callipers is equipped with the laser pen, it is provided with the gyro wheel to rotate between the first U-shaped board and between the second U-shaped board, second U-shaped board one end is provided with the laser interception board, the threaded hole is all seted up to the one end of first U-shaped board and second U-shaped board, screw hole female connection has the threaded rod, the threaded rod upper end sets up the knob.

Preferably, a limiting groove is formed in the protractor, and arc limiting blocks are arranged between the first U-shaped plates and between the second U-shaped plates.

Preferably, the upper end of the bottom plate is provided with a groove, and a mirror surface is arranged in the groove.

Preferably, the lower ends of the first U-shaped plate and the second U-shaped plate are provided with angle pointers.

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

1. the utility model discloses when testing, at first establish the laser pen card on the fixed bolster, the accessible slides first U-shaped plate and carries out angle of adjustment, after adjusting the angle, fix first U-shaped plate through the knob, then will open the laser pen, laser irradiation reflects behind the mirror surface, slide second U-shaped plate, the laser irradiation that makes the laser pen reflection is at the mid point of laser interception board, then through knob rotatory threaded rod, make second U-shaped plate fix, then can read out the angle through the angle pointer degree, accomplish the experiment.

Drawings

FIG. 1 is a schematic view of the entire front view of the present invention;

FIG. 2 is a left side schematic view of FIG. 1;

fig. 3 is a connection structure of the first U-shaped plate and the protractor.

In the figure: 1. a base plate; 2. a trapezoidal groove; 3. a protractor; 4. a first U-shaped plate; 5. a second U-shaped plate; 6. fixing a bracket; 7. a laser pen; 8. a roller; 9. a laser interception plate; 10. a threaded hole; 11. a threaded rod; 12. a knob; 13. a limiting groove; 14. an arc limiting plate; 15. a groove; 16. a mirror surface; 17. an angle pointer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the embodiment of the utility model provides a, a physics experiment presentation device, including bottom plate 1, trapezoidal groove 2 has been seted up to bottom plate 1 upper end, 2 interpolations in trapezoidal groove are equipped with protractor 3, protractor 3's lower extreme sets up to the halfpace form, protractor 3 upper end both sides sliding connection has first U-shaped plate 4 and second U-shaped

plate

5, 4 one end of first U-shaped plate is provided with fixed bolster 6, the clamp is equipped with laser pen 7 in the fixed bolster 6, rotate between the first U-shaped plate 4 and between the second U-shaped plate 5 and be connected with gyro wheel 8, gyro wheel 8 roll connection is on protractor 3, the welding of 5 one end of second U-shaped plate has laser interception board 9, threaded hole 10 has all been seted up with the one end of second U-shaped plate 5 to first U-shaped plate 4, threaded hole 10 is connected with threaded

rod

11, 11 upper end welding knob 12.

As shown in fig. 1, fig. 2 and fig. 3, a limiting groove 13 is formed in the protractor 3, an arc-shaped limiting block 14 is welded between the first U-shaped plate 4 and between the second U-shaped plate 5, a groove 15 is formed in the upper end of the bottom plate 1, a mirror surface 16 is bonded in the groove 15 through a fixing adhesive, and angle pointers 17 are welded at the lower ends of the first U-shaped plate 4 and the second U-shaped plate 5.

The working principle of the embodiment is as follows: when carrying out the experiment, at first establish laser pen 7 card on fixed bolster 6, the accessible slides first U-shaped board 4 and carries out angle regulation, after adjusting the angle, fix first U-shaped board 4 through knob 12, then will open laser pen 7, laser irradiation reflects behind mirror surface 16, slide second U-shaped board 5, the laser irradiation that makes laser pen 7 reflection is at the mid point of laser interception board 14, then through knob 12 rotation threaded rod 11, make second U-shaped board 5 fix, then through angle pointer 17 degree reading angle, accomplish the experiment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a physical experiment presentation device which characterized in that: including bottom plate (1), trapezoidal groove (2) have been seted up to bottom plate (1) upper end, be provided with protractor (3) in trapezoidal groove (2), protractor (3) upper end both sides are provided with first U-shaped plate (4) and second U-shaped plate (5), first U-shaped plate (4) one end is provided with fixed bolster (6), the anchor clamps are equipped with laser pen (7) in fixed bolster (6), it is provided with gyro wheel (8) to rotate between first U-shaped plate (4) and between second U-shaped plate (5), second U-shaped plate (5) one end is provided with laser interception board (9), threaded hole (10) have all been seted up to the one end of first U-shaped plate (4) and second U-shaped plate (5), threaded hole (10) female connection has threaded rod (11), threaded rod (11) upper end sets up knob (12).

2. A physical experiment demonstration apparatus according to claim 1 further comprising: the protractor (3) is provided with a limiting groove (13), and arc-shaped limiting blocks (14) are arranged between the first U-shaped plates (4) and between the second U-shaped plates (5).

3. A physical experiment demonstration apparatus according to claim 1 wherein: the upper end of the bottom plate (1) is provided with a groove (15), and a mirror surface (16) is arranged in the groove (15).

4. A physical experiment demonstration apparatus according to claim 1 wherein: the lower ends of the first U-shaped plate (4) and the second U-shaped plate (5) are provided with angle pointers (17).