Circuit experiment board for physics learning

Abstract

The invention belongs to the technical field of physical experiment equipment, and particularly relates to a circuit experiment board for physics learning, which comprises a fixed shell, a double-shaft motor is fixedly connected to the inner wall of the fixed shell, and first rotating shafts are fixedly connected to two output shafts of the double-shaft motor respectively. And one end of each first rotating shaft is fixedly connected with a first bevel gear, and the bottom of the fixing shell is fixedly connected with a fixing plate. By arranging a double-shaft motor and a first threaded cylinder, the double-shaft motor drives two first bevel gears respectively, so that the two first bevel gears drive two second bevel gears to rotate respectively; two second bevel gears respectively drive a right-hand threaded column and a left-hand threaded column to rotate in two first threaded cylinders through two second rotating shafts, so that the two first threaded cylinders respectively move on the surfaces of the right-hand threaded column and the left-hand threaded column, and the height of the circuit experiment board can be conveniently adjusted according to the height of a student; the use by students is convenient.

Description

Technical Field

[0001] The present invention belongs to the technical field of physical experimental equipment, and particularly relates to a circuit experimental board for physics learning. Background Art

[0002] As the name implies, a circuit experimental board is a device for students to learn circuit wiring. It can well help students quickly master wiring skills and is widely used in physics learning. However, the existing circuit experimental boards for physics learning are inconvenient to adjust the height of the circuit experimental board according to the height of students and are also inconvenient to adjust the angle of the circuit experimental board according to the usage needs. Summary of the Invention

[0003] To solve the problems raised in the above background art, the present invention provides a circuit experimental board for physics learning, which has the characteristics of being convenient to adjust the height of the circuit experimental board and being convenient to adjust the angle of the circuit experimental board.

[0004] To achieve the above object, the present invention provides the following technical solution: A circuit experimental board for physics learning, including a fixed shell, a dual-axis motor is fixedly connected to the inner wall of the fixed shell, first rotating shafts are respectively fixedly connected to the two output shafts of the dual-axis motor, first bevel gears are fixedly connected to one ends of the two first rotating shafts, a fixed plate is fixedly connected to the bottom of the fixed shell, the number of the fixed plates is two, circular holes are respectively opened at the tops of the two fixed plates, a second bearing is arranged at the bottom of the fixed shell, and the number of the second bearings is two. Second rotating shafts are respectively penetrated through the two second bearings, a positive threaded column and a reverse threaded column are respectively fixedly connected to the bottom ends of the two second rotating shafts, first threaded cylinders are respectively threadedly connected to the surfaces of the positive threaded column and the reverse threaded column, the two first threaded cylinders are respectively movably connected inside the two circular holes, and the bottom ends of the two first threaded cylinders are fixedly connected to the same base;

[0005] A connecting shell is fixedly connected to the top of the fixed shell, a first motor is fixedly connected to the inner wall of the connecting shell through a fixing frame, a first threaded column is fixedly connected to the output end of the first motor, a third rotating shaft is fixedly connected to one end of the first threaded column, and a third bearing is sleeved on one end of the third rotating shaft, and the third bearing is fixedly connected to the inner wall of the connecting shell. A second threaded cylinder is threadedly connected to the surface of the first threaded column, a connecting component is fixedly connected to the surface of the second threaded cylinder, the same sliding rod is fixedly connected to the opposite inner walls of the connecting shell, and a movable plate is movably connected to the surface of the sliding rod. A circuit experimental board is arranged on the top of the movable plate, one end of the connecting component is fixedly connected to the bottom of the movable plate, and a movable cover plate is movably connected to the side of the connecting shell through a hinge.

[0006] Preferably, the opposite inner walls of the fixed shell are fixedly connected to the same vertical plate. The number of the vertical plates is two. First bearings are arranged on the opposite surfaces of the two vertical plates, and the two first rotating shafts are respectively movably connected to the interiors of the two first bearings.

[0007] Preferably, a slider is fixedly connected to the surface of the first threaded cylinder. A sliding groove is formed in the inner wall of the circular hole, and the slider is slidably connected to the interior of the sliding groove.

[0008] Preferably, a limiting groove is formed at the bottom of the fixing plate. A limiting rod is fixedly connected to the top of the base, and the limiting rod is slidably connected to the interior of the limiting groove.

[0009] Preferably, a limiting block is fixedly connected to the surface of the second threaded cylinder. A limiting groove is formed at the top of the fixed shell, and the limiting block is slidably connected to the interior of the limiting groove.

[0010] Preferably, the connecting assembly includes a first connecting block. The first connecting block is movably connected to a connecting rod through a first pin shaft. One end of the connecting rod is movably connected to a second connecting block through a second pin shaft. The first connecting block is fixedly connected to the second threaded cylinder, and the second connecting block is fixedly connected to the movable plate.

[0011] Preferably, a first groove is formed at the bottom of the base, and an electric hydraulic push rod is fixedly connected to the top of the inner wall of the first groove. The bottom end of the electric hydraulic push rod is fixedly connected to a universal wheel.

[0012] Preferably, a second groove is formed inside the base, and a battery pack is arranged inside the second groove. A control switch is arranged on the surface of the fixed shell.

[0013] Preferably, a male buckle is fixedly connected to the side of the movable cover plate. A female buckle is arranged on the surface of the connecting shell, and the male buckle is clamped inside the female buckle.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. In the present invention, by arranging a double-shaft motor and a first threaded cylinder, the double-shaft motor drives two first bevel gears respectively, so that the two first bevel gears drive two second bevel gears to rotate respectively. The two second bevel gears drive a positive threaded column and a reverse threaded column to rotate inside two first threaded cylinders respectively through two second rotating shafts, so that the two first threaded cylinders move on the surfaces of the positive threaded column and the reverse threaded column respectively, which is convenient to adjust the height of the circuit experiment board according to the height of the students and convenient for the students to use.

[0016] 2. In the present invention, by providing a first motor, a first threaded column, and a second threaded cylinder, the first motor drives the first threaded column to rotate inside the second threaded cylinder, causing the second threaded cylinder to drive the connection assembly to move, and enabling the connection assembly to adjust the angle of the movable plate, facilitating the adjustment of the angle of the circuit experiment board according to the usage requirements and making it convenient for students to operate and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used in conjunction with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0018] Figure 1 is a three-dimensional sectional structure schematic diagram of the present invention;

[0019] Figure 2 is of the present invention Figure 1 is an enlarged structure schematic diagram of part A in the present invention;

[0020] Figure 3 is a connection structure schematic diagram of the cross-section of the fixed shell in the present invention; Figure 4 is an enlarged structure schematic diagram of the connection assembly in the present invention;

[0021] In the figure: 1. Fixed shell; 2. Biaxial motor; 3. First rotating shaft; 4. First bevel gear; 5. Vertical plate; 6. Fixed plate; 7. Second rotating shaft; 8. Second bevel gear; 9. Circular hole; 10. Positive threaded column; 11. First threaded cylinder; 12. Chute; 13. Slide block; 14. Limit rod; 15. Base; 16. Electric hydraulic push rod; 17. Universal wheel; 18. Battery pack; 19. Connection shell; 20. Movable cover plate; 21. First motor; 22. First threaded column; 23. Second threaded cylinder; 24. Limit groove; 25. Limit block; 26. Connection assembly; 261. First connection block; 262. Connecting rod; 263. Second connection block; 27. Movable plate; 28. Circuit experiment board. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1

[0024] Please refer to Figures 1-4, the present invention provides the following technical solutions: A circuit experiment board 28 for physics learning, including a fixed housing 1. A dual-axis motor 2 is fixedly connected to the inner wall of the fixed housing 1. First rotating shafts 3 are respectively fixedly connected to the two output shafts of the dual-axis motor 2. First bevel gears 4 are respectively fixedly connected to one ends of the two first rotating shafts 3. A fixed plate 6 is fixedly connected to the bottom of the fixed housing 1. The number of the fixed plates 6 is two. Circular holes 9 are respectively opened at the tops of the two fixed plates 6. A second bearing is arranged at the bottom of the fixed housing 1, and the number of the second bearings is two. Second rotating shafts 7 are respectively inserted into the two second bearings. A positive threaded column 10 and a reverse threaded column are respectively fixedly connected to the bottom ends of the two second rotating shafts 7. First threaded cylinders 11 are respectively threadedly connected to the surfaces of the positive threaded column 10 and the reverse threaded column. The two first threaded cylinders 11 are respectively movably connected inside the two circular holes 9. A same base 15 is fixedly connected to the bottom ends of the two first threaded cylinders 11. By setting the dual-axis motor 2 and the first threaded cylinders 11, the dual-axis motor 2 drives the two first bevel gears 4 respectively, so that the two first bevel gears 4 drive the two second bevel gears 8 to rotate respectively, and the two second bevel gears 8 drive the positive threaded column 10 and the reverse threaded column to rotate respectively inside the two first threaded cylinders 11 through the two second rotating shafts 7, so that the two first threaded cylinders 11 move on the surfaces of the positive threaded column 10 and the reverse threaded column respectively, which is convenient to adjust the height of the circuit experiment board 28 according to the height of the students and convenient for the students to use;

[0025] A connection housing 19 is fixedly connected to the top of the fixed housing 1. A first motor 21 is fixedly connected to the inner wall of the connection housing 19 through a fixed frame. A first threaded column 22 is fixedly connected to the output end of the first motor 21. A third rotating shaft is fixedly connected to one end of the first threaded column 22, and a third bearing is sleeved on one end of the third rotating shaft, and the third bearing is fixedly connected to the inner wall of the connection housing 19. A second threaded cylinder 23 is threadedly connected to the surface of the first threaded column 22. A connection assembly 26 is fixedly connected to the surface of the second threaded cylinder 23. The same sliding rod is fixedly connected to the opposite inner walls of the connection housing 19, and a movable plate 27 is movably connected to the surface of the sliding rod. A circuit experiment board 28 is arranged on the top of the movable plate 27. One end of the connection assembly 26 is fixedly connected to the bottom of the movable plate 27. A movable cover plate 20 is movably connected to the side of the connection housing 19 through a hinge. By setting the first motor 21, the first threaded column 22 and the second threaded cylinder 23, the first motor 21 drives the first threaded column 22 to rotate inside the second threaded cylinder 23, so that the second threaded cylinder 23 drives the connection assembly 26 to move, and the connection assembly 26 adjusts the angle of the movable plate 27, which is convenient to adjust the angle of the circuit experiment board 28 according to the needs of use and convenient for the students to operate and use.

[0026] Specifically, the same vertical plate 5 is fixedly connected to the relative inner wall of the fixed housing 1. The number of the vertical plates 5 is two. First bearings are arranged on the opposite surfaces of the two vertical plates 5, and the two first rotating shafts 3 are respectively movably connected to the interiors of the two first bearings.

[0027] Specifically, a slider 13 is fixedly connected to the surface of the first threaded cylinder 11, a sliding groove 12 is formed in the inner wall of the circular hole 9, and the slider 13 is slidably connected to the inside of the sliding groove 12.

[0028] Specifically, a limiting groove 24 is formed at the bottom of the fixing plate 6, a limiting rod 14 is fixedly connected to the top of the base 15, and the limiting rod 14 is slidably connected to the inside of the limiting groove 24.

[0029] Specifically, a limiting block 25 is fixedly connected to the surface of the second threaded cylinder 23, a limiting groove 24 is formed at the top of the fixed housing 1, and the limiting block 25 is slidably connected to the inside of the limiting groove 24.

[0030] Specifically, the connecting assembly 26 includes a first connecting block 261. The first connecting block 261 is movably connected to a connecting rod 262 through a first pin shaft. One end of the connecting rod 262 is movably connected to a second connecting block 263 through a second pin shaft. The first connecting block 261 is fixedly connected to the second threaded cylinder 23, and the second connecting block 263 is fixedly connected to the movable plate 27.

[0031] Specifically, a first groove is formed at the bottom of the base 15, and an electric hydraulic push rod 16 is fixedly connected to the top of the inner wall of the first groove. The bottom end of the electric hydraulic push rod 16 is fixedly connected to a universal wheel 17.

[0032] Specifically, a second groove is formed inside the base 15, and a battery pack 18 is arranged inside the second groove. A control switch is arranged on the surface of the fixed housing 1.

[0033] Specifically, a sub - buckle is fixedly connected to the side of the movable cover plate 20, a mother - buckle is arranged on the surface of the connecting shell 19, and the sub - buckle is snap - connected to the inside of the mother - buckle.

[0034] Working principle and usage process of the present invention: Start the electric hydraulic push rod 16 through the control switch. Drive the universal wheel 17 to contact the ground through the electric hydraulic push rod 16. Move the device to the usage position through the universal wheel 17. After the movement is completed, start the electric hydraulic push rod 16 again to drive the universal wheel 17 to retract into the interior of the base 15, so that the base 15 contacts the ground and the device is stably docked. Open the movable cover plate 20 to disengage the sub-lock from the mother-lock. Start the first motor 21 through the control switch to drive the first threaded column 22 to rotate inside the second threaded cylinder 23, drive the connection assembly 26 to move by the second threaded cylinder 23, make the limit block 25 slide inside the limit slot 24, and the connection assembly 26 actively supports the angle of the movable plate 27, so that the angle of the movable plate 27 can be adjusted, and thus the angle of the circuit test board 28 can be adjusted according to the usage needs. When the height of the circuit test board 28 needs to be adjusted, start the double-shaft motor 2 to drive two first bevel gears 4 respectively by the double-shaft motor 2, drive two second bevel gears 8 to rotate respectively by the two first bevel gears 4, drive the positive threaded column 10 and the reverse threaded column to rotate inside the two first threaded cylinders 11 respectively by the two second bevel gears 8 through the two second rotating shafts 7, make the two first threaded cylinders 11 move on the surfaces of the positive threaded column 10 and the reverse threaded column respectively, and make the limit rod 14 move inside the limit slot 24, so that the height of the circuit test board 28 can be adjusted according to the height of the students, and then the operation can be carried out.

[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A circuit experiment board for physics learning, comprising a fixed housing (1), characterized in that: On the inner wall of the fixed shell (1), a dual-axis motor (2) is fixedly connected. On the two output shafts of the dual-axis motor (2), first rotating shafts (3) are respectively fixedly connected. At one end of each of the two first rotating shafts (3), a first bevel gear (4) is fixedly connected. At the bottom of the fixed shell (1), a fixed plate (6) is fixedly connected. The number of the fixed plates (6) is two. On the top of each of the two fixed plates (6), a circular hole (9) is opened. At the bottom of the fixed shell (1), there are second bearings, and the number of the second bearings is two. A second rotating shaft (7) is penetrated through the interior of each of the two second bearings. At the bottom ends of the two second rotating shafts (7), a positive threaded column (10) and a reverse threaded column are respectively fixedly connected. The surfaces of the positive threaded column (10) and the reverse threaded column are both threadedly connected with a first threaded cylinder (11). The two first threaded cylinders (11) are respectively movably connected inside the two circular holes (9). At the bottom ends of the two first threaded cylinders (11), the same base (15) is fixedly connected; On the top of the fixed shell (1), a connection shell (19) is fixedly connected. On the inner wall of the connection shell (19), a first motor (21) is fixedly connected through a fixing frame. The output end of the first motor (21) is fixedly connected with a first threaded column (22). At one end of the first threaded column (22), a third rotating shaft is fixedly connected. And at one end of the third rotating shaft, a third bearing is sleeved, and the third bearing is fixedly connected to the inner wall of the connection shell (19). The surface of the first threaded column (22) is threadedly connected with a second threaded cylinder (23). On the surface of the second threaded cylinder (23), a connection component (26) is fixedly connected. On the opposite inner walls of the connection shell (19), the same sliding rod is fixedly connected. And on the surface of the sliding rod, a movable plate (27) is movably connected. On the top of the movable plate (27), a circuit experiment board (28) is arranged. One end of the connection component (26) is fixedly connected to the bottom of the movable plate (27). On the side of the connection shell (19), a movable cover plate (20) is movably connected through a hinge.

2. The circuit experiment board for physics learning according to claim 1, characterized in that: On the opposite inner walls of the fixed shell (1), the same vertical plate (5) is fixedly connected. The number of the vertical plates (5) is two. On the opposite surfaces of the two vertical plates (5), first bearings are arranged. The two first rotating shafts (3) are respectively movably connected inside the two first bearings.

3. A circuit experiment board for physics learning according to claim 1, characterized in that: On the surface of the first threaded cylinder (11), a slider (13) is fixedly connected. On the inner wall of the circular hole (9), a chute (12) is opened. The slider (13) is slidably connected inside the chute (12).

4. A circuit experimental board for physics learning according to claim 1, characterized in that: At the bottom of the fixed plate (6), a limiting groove (24) is opened. On the top of the base (15), a limiting rod (14) is fixedly connected. The limiting rod (14) is slidably connected inside the limiting groove (24).

5. A circuit experiment board for physics learning according to claim 1, characterized in that: On the surface of the second threaded cylinder (23), a limiting block (25) is fixedly connected. On the top of the fixed shell (1), a limiting groove (24) is opened. The limiting block (25) is slidably connected inside the limiting groove (24).

6. A circuit experimental board for physics learning according to claim 1, characterized in that: The connecting component (26) includes a first connecting block (261). The first connecting block (261) is movably connected to a connecting rod (262) through a first pin shaft. One end of the connecting rod (262) is movably connected to a second connecting block (263) through a second pin shaft. The first connecting block (261) is fixedly connected to the second threaded cylinder (23), and the second connecting block (263) is fixedly connected to the movable plate (27).

7. A circuit experiment board for physics learning according to claim 1, characterized in that: A first groove is formed in the bottom of the base (15), and an electric hydraulic push rod (16) is fixedly connected to the top of the inner wall of the first groove. The bottom end of the electric hydraulic push rod (16) is fixedly connected to a universal wheel (17).

8. A circuit experiment board for physics learning according to claim 1, characterized in that: A second groove is formed in the base (15), and a battery pack (18) is arranged inside the second groove. A control switch is arranged on the surface of the fixed shell (1).

9. A circuit experiment board for physics learning according to claim 1, characterized in that: A sub - buckle is fixedly connected to the side of the movable cover plate (20), a mother - buckle is arranged on the surface of the connecting shell (19), and the sub - buckle is clamped inside the mother - buckle.

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