Three-inclined-plane experimental device

Abstract

The utility model provides a three-inclined-plane experimental device, and belongs to the technical field of experimental teaching aids. The problem that an existing inclined plane teaching aid cannot visually display the moving distance change of a trolley under different conditions is solved. The three-inclined-plane experimental device comprises a supporting base and a plurality of inclined-plane groups, each inclined-plane group comprises an inclined section and a straight-line section, the inclined sections are rotatably connected with the straight-line sections, the supporting base is detachably connected with the straight-line sections, and the supporting base is provided with a fixing device used for fixing the inclined sections. The device has the advantages that the change of the moving distance of the trolley in different states can be visually observed, and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental teaching aids, and particularly relates to a three-slope experimental device. Background Art

[0002] In the process of physics teaching, the inclined plane car experimental equipment is generally used to demonstrate Newton's laws of motion. By changing the height, friction, etc., the influence of different conditions on the moving distance of the inclined plane car is observed. The existing experimental equipment cannot achieve an intuitive comparison of the movement of the car under different resistances or different heights. Summary of the invention

[0003] The utility model aims to provide a three-slope experimental device in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a three-inclined plane experimental device, characterized in that it includes a supporting base and a plurality of inclined plane groups, the inclined plane group includes an inclined segment and a straight line segment, the inclined segment is rotatably connected to the straight line segment, the supporting base is detachably connected to the plurality of straight line segments, and the supporting base is provided with a fixing device for fixing the inclined segment.

[0005] The working principle of the utility model is as follows: when a teacher or a student needs to use the device, the straight section is first installed on the support base, and then the inclined section is rotated and fixed by a fixing device. The inclination angles of multiple inclined sections can be the same to test the moving distances of different objects, such as a trolley, a ball bearing, etc., or base plates of different materials can be installed on the straight section to measure the distance that the trolley can move on roads of different materials. Multiple inclined sections can also be set to different inclination angles to test the moving distances of objects at different heights. By setting multiple inclined surface groups on the support base, students can directly see the length of the moving distance of the trolley under different conditions.

[0006] In the above three-inclined surface experimental device, a plurality of first magnetic blocks are arranged on a side of the support base away from the inclined surface group.

[0007] In the above-mentioned three-slope experimental device, a plurality of support plates for supporting the support base are arranged on one side of the support base, a second clearance groove is arranged at one end of the support base away from the support plate, and a handle is arranged in the second clearance groove.

[0008] In the above-mentioned three-inclined surface experimental device, the straight line segment includes a connecting segment and an extension segment, the connecting segment is used to connect the extension segment and the inclined segment, and the extension segment is provided with a plurality of second magnetic blocks.

[0009] In the above-mentioned three-slope experimental device, the connecting section is provided with a connecting block for connecting the extension section, the extension section is provided with a first giveway groove, the first giveway groove is provided with a connecting hole, the connecting block includes a filling block and an abutment block, the filling block is used to fill the first giveway groove, and the abutment block is used to pass through the connecting hole and abut on the bottom surface of the extension section.

[0010] In the above three-inclined plane experimental device, a scale is provided on the side of the straight line segment away from the supporting base.

[0011] In the above three-slope experimental device, a connecting shaft is provided near the straight section to the inclined section, and a connecting hook for connecting the connecting shaft is provided near the inclined section to the straight section.

[0012] In the above three-inclined surface experimental device, the inclined surface group is provided with grooves.

[0013] In the above-mentioned three-inclined plane experimental device, the fixing device comprises a plurality of fixing sockets arranged on the supporting base, and the inclined section is provided with an L-shaped plug block for inserting into the fixing sockets.

[0014] In the above-mentioned three-slope experimental device, the support base is provided with a plurality of connection ports, and the straight line segments are provided with a plurality of hooks corresponding to the connection ports.

[0015] Compared with the prior art, the utility model has the advantage of being able to intuitively observe changes in the moving distance of the trolley under different states. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the back side of the support base of the utility model.

[0018] Figure 3 It is an enlarged schematic diagram of the structure of point A of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the inclined section and the connecting section of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the extended section of the utility model.

[0021] In the figure, 1, support base; 2, inclined surface group; 3, inclined section; 4, straight section; 5, fixing device; 6, first magnetic block; 7, support plate; 8, second clearance groove; 9, handle; 10, connecting section; 11, extension section; 12, second magnetic block; 13, connecting block; 14, first clearance groove; 15, connecting hole; 16, filling block; 17, abutment block; 18, scale; 19, connecting shaft; 20, connecting hook; 21, groove; 22, fixing socket; 23, L-shaped plug; 24, connecting port; 25, hanging buckle. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1-Figure 5 As shown, the three-incline experimental device includes a support base 1 and a plurality of inclined plane groups 2, the inclined plane group 2 includes an inclined segment 3 and a straight segment 4, the inclined segment 3 is rotatably connected to the straight segment 4, the support base 1 is detachably connected to the plurality of straight segments 4, and the support base 1 is provided with a fixing device 5 for fixing the inclined segment 3.

[0024] To elaborate further, a plurality of first magnetic blocks 6 are provided on one side of the support base 1 away from the inclined plane group 2. The arrangement is used to adsorb the support base 1 on the blackboard through the first magnetic blocks 6, which makes it more convenient for teachers to demonstrate the inclined plane car and for students to observe.

[0025] To further elaborate, one side of the support base 1 is provided with multiple support plates 7 for supporting the support base 1, and the end of the support base 1 away from the support plate 7 is provided with a second make way groove 8, and a handle 9 is provided in the second make way groove 8. This setting is used to facilitate placing the support base 1 on the desktop, so as to facilitate teachers or students to operate, observe and record.

[0026] To elaborate further, the straight section 4 includes a connecting section 10 and an extension section 11. The connecting section 10 is used to connect the extension section 11 and the inclined section 3. The extension section 11 is provided with a plurality of second magnetic blocks 12. The extension section 11 can prevent the experimental data from being deviated due to insufficient distance of the connecting section 10. At the same time, the second magnetic blocks 12 are provided to adsorb the extension section 11 on the blackboard, thereby increasing the stability of the extension section 11.

[0027] To elaborate further, the connecting section 10 is provided with a connecting block 13 for connecting the extension section 11, the extension section 11 is provided with a first give way groove 14, the first give way groove 14 is provided with a connecting hole 15, the connecting block 13 includes a filling block 16 and an abutment block 17, the filling block 16 is used to fill the first give way groove 14, the abutment block 17 is used to pass through the connecting hole 15 and abut on the bottom surface of the extension section 11, the filling block 16 can cover the first give way groove 14, so that the connection between the connecting section 10 and the extension section 11 is flat and will not affect the movement of the trolley, and the abutment block 17 is provided to support the extension block and ensure the connection stability between the connecting section 10 and the extension section 11.

[0028] To be more specific, a scale 18 is provided on the side of the straight line segment 4 away from the supporting base 1, and this setting is used to facilitate teachers or students to record data.

[0029] To be more specific, the straight section 4 is provided with a connecting shaft 19 near the inclined section 3 , and the inclined section 3 is provided with a connecting hook 20 for connecting the connecting shaft 19 near the straight section 4 . This structure facilitates the connection or disassembly of the straight section 4 and the inclined section 3 , and also facilitates the rotation of the inclined section 3 .

[0030] To further elaborate, the inclined surface group 2 is provided with a groove 21, which is used for the ball to be tested and to limit the ball to prevent the ball from deviating from the route during the movement.

[0031] To further elaborate, the fixing device 5 includes a plurality of fixing sockets 22 arranged on the supporting base 1, and the inclined section 3 is provided with an L-shaped plug 23 for inserting the fixing socket 22. In the present embodiment, each inclined surface group 2 is provided with three fixing sockets 22, which are 20°, 30° and 40° respectively. The inclined section 3 needs to be inserted into the fixing socket 22 at the specified position through the L-shaped socket to obtain the inclined section 3 of the corresponding angle, which is convenient for experiments.

[0032] To further elaborate, the support base 1 is provided with a plurality of connection ports 24 , and the straight section 4 is provided with a plurality of hooks 25 corresponding to the connection ports 24 . This structure facilitates installation and removal of the straight section 4 .

[0033] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0034] Although a large number of terms are used in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A three-slope experimental device, characterized in that: The invention comprises a support base (1) and a plurality of inclined surface groups (2), wherein the inclined surface group (2) comprises an inclined segment (3) and a straight segment (4), wherein the inclined segment (3) is rotatably connected to the straight segment (4), the support base (1) is detachably connected to the plurality of straight segments (4), and the support base (1) is provided with a fixing device (5) for fixing the inclined segment (3).

2. A three-slope experimental device according to claim 1, characterized in that: A plurality of first magnetic blocks (6) are provided on a side of the support base (1) away from the inclined surface group (2).

3. A three-slope experimental device according to claim 1, characterized in that: A plurality of support plates (7) for supporting the support base (1) are arranged on one side of the support base (1); a second clearance groove (8) is arranged at one end of the support base (1) away from the support plate (7); and a handle (9) is arranged in the second clearance groove (8).

4. A three-slope experimental device according to claim 1, characterized in that: The straight section (4) comprises a connecting section (10) and an extension section (11); the connecting section (10) is used to connect the extension section (11) and the inclined section (3); and the extension section (11) is provided with a plurality of second magnetic blocks (12).

5. A three-slope experimental device according to claim 4, characterized in that: The connecting section (10) is provided with a connecting block (13) for connecting the extension section (11); the extension section (11) is provided with a first clearance groove (14); the first clearance groove (14) is provided with a connecting hole (15); the connecting block (13) comprises a filling block (16) and an abutting block (17); the filling block (16) is used to fill the first clearance groove (14); the abutting block (17) is used to pass through the connecting hole (15) and abut against the bottom surface of the extension section (11).

6. A three-slope experimental device according to claim 1, characterized in that: A scale (18) is provided on the side of the straight line segment (4) away from the supporting base (1).

7. The three-slope experimental device according to claim 1, characterized in that: The straight section (4) is provided with a connecting shaft (19) near the inclined section (3), and the inclined section (3) is provided with a connecting hook (20) for connecting the connecting shaft (19) near the straight section (4).

8. The three-slope experimental device according to claim 1, characterized in that: The inclined surface group (2) is provided with a groove (21).

9. The three-slope experimental device according to claim 1, characterized in that: The fixing device (5) comprises a plurality of fixing insertion holes (22) arranged on the supporting base (1), and the inclined section (3) is provided with an L-shaped insertion block (23) for inserting into the fixing insertion holes (22).

10. The three-slope experimental device according to claim 1, characterized in that: The support base (1) is provided with a plurality of connection ports (24), and the straight line segment (4) is provided with a plurality of hooks (25) corresponding to the connection ports (24).

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