CN221304126U - Friction coefficient experimental device for high school physics - Google Patents
Friction coefficient experimental device for high school physics Download PDFInfo
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- CN221304126U CN221304126U CN202323143424.7U CN202323143424U CN221304126U CN 221304126 U CN221304126 U CN 221304126U CN 202323143424 U CN202323143424 U CN 202323143424U CN 221304126 U CN221304126 U CN 221304126U
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- fixedly connected
- friction coefficient
- high school
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model discloses a friction coefficient experiment device for high school physics, which comprises an experiment box, wherein a threaded rod is fixedly connected to the side inner wall of the experiment box, a fixed block is fixedly connected to the side inner wall of the experiment box, a first supporting block is fixedly connected to the upper surface of the fixed block, a second supporting block is fixedly connected to the upper surface of the fixed block, a clamping plate is rotatably connected to the side inner wall of the first supporting block, and a mounting column is fixedly connected to the side surface of the second supporting block. Above-mentioned structure, through cardboard, first supporting shoe, second supporting shoe, sleeve and connecting plate cooperation, make this device can rotate mounting panel and swash plate when not using and withdraw the experiment incasement portion, and sleeve and bolt cooperation, make the swash plate can take apart with the mounting panel and withdraw, removable change when sleeve and the bolt damage, experiment case and apron cooperation make this device pack up when not using, avoid inside by pollution such as dust water stain when being convenient for carry.
Description
Technical Field
The utility model relates to the technical field of physical experiment devices, in particular to a friction coefficient experiment device for high-school physics.
Background
The coefficient of friction refers to the ratio of the friction between two surfaces to the vertical force acting on one of the surfaces, which is related to the roughness of the surfaces, and the size of the contact area, which can be divided into a dynamic coefficient of friction and a static coefficient of friction, depending on the nature of the movement. Sliding friction is generated by the relative sliding of two objects in contact with each other.
In experiments of exploring friction coefficients in high school, one of two objects to be measured is obliquely placed to serve as an inclined plane, the other object is placed on the inclined plane body to slide down along the inclined plane body, the inclined plane inclination angle is increased, an existing experimental device is matched with the second clamping plate through a second sliding rod, a connecting rod and the first clamping plate when the inclined plane is adjusted, the angle of the connecting plate is watched under the action of compasses, but the device cannot be folded when not used, is laborious to carry, and students are easily injured when the second sliding rod is carried in an upright state such as falling down, and the technical scheme provided by the utility model with the application number 202122339147.1 is found after search.
Disclosure of utility model
According to the friction coefficient experimental device for the high school physics, the utility model aims to at least solve one of the technical problems in the prior art, and provides the friction coefficient experimental device for the high school physics, which is matched with the connecting plate through the clamping plate, the first supporting block, the second supporting block and the sleeve, so that the device can rotate the mounting plate and the sloping plate to retract into the experimental box when not in use, the sleeve is matched with the bolt, the sloping plate can be detached and retracted with the mounting plate, the sleeve and the bolt can be taken down for replacement when damaged, and the experimental box and the cover plate are matched to retract the device when not in use, thereby being convenient to carry and avoiding the pollution of dust, water stain and the like in the interior.
In order to achieve the above purpose, the utility model further provides the experimental box, the side inner wall of the experimental box is fixedly connected with the threaded rod, the side inner wall of the experimental box is fixedly connected with the fixed block, the upper surface of the fixed block is fixedly connected with the first supporting block, the upper surface of the fixed block is fixedly connected with the second supporting block, the side inner wall of the first supporting block is rotationally connected with the clamping plate, the clamping plate is used for fixing the position of the mounting plate, so that the mounting plate is vertical or parallel to the experimental box, the side surface of the second supporting block is fixedly connected with the mounting post, the side surface of the mounting post is rotationally connected with the mounting plate, the mounting plate can rotate under the action of the mounting post, the mounting plate can be put down for storage, the side surface of the mounting plate is movably connected with the sleeve, the side surface of the sleeve is fixedly connected with the bolt, and the side surface of the bolt is in threaded connection with the first nut;
The side surface swing joint of threaded rod has the movable block, the side surface threaded connection of threaded rod has the second nut, the upper surface sliding connection of movable block has the connecting plate, and the connecting plate makes the swash plate can install on the sleeve through controlling the removal, the side inner wall rotation of connecting plate is connected with the swash plate, and the swash plate can angle regulation, the side surface fixedly connected with semicircle angle square of connecting plate, semicircle angle square can make the student observe swash plate turned angle and record intuitively.
According to a friction coefficient experimental apparatus for high school physics, the side inner wall swing joint of experiment case has the apron, and the apron seals the experiment case, avoids external dust rainwater etc. to get into inside, and makes this device be convenient for carry, the side surface and the second supporting shoe swing joint of cardboard.
According to the friction coefficient experimental device for high school physics, the side surface of the mounting column is fixedly connected with the mounting column, and the side surface of the fixing block is fixedly connected with the threaded rod.
According to the friction coefficient experimental device for high school physics, the side surface of the clamping plate is movably connected with the mounting plate, and the upper surface of the moving block is provided with a sliding groove.
According to the friction coefficient experimental device for high school physics, the lower surface of the connecting plate is fixedly connected with the sliding block, and the side surface of the sliding block is in sliding connection with the sliding groove, so that the connecting plate can slide more smoothly.
According to the friction coefficient experimental device for high school physics, the side surface of the moving block is movably connected with the experimental box, and the side surface of the bolt is movably connected with the inclined plate.
According to the friction coefficient experimental device for high school physics, the side surface of the first nut is movably connected with the sloping plate, and the side surface of the second nut is movably connected with the movable block.
According to the friction coefficient experimental device for high school physics, the screw is connected with the upper surface of the experimental box in a threaded manner.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a front view of an experimental device for friction coefficient for high school physics according to the present utility model;
FIG. 2 is a schematic diagram of a part of the experimental device for friction coefficient of high school physics according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
Fig. 4 is an exploded view of a part of the structure of the experimental device for friction coefficient for high school physics according to the present utility model.
Legend description:
1. an experiment box; 2. a cover plate; 3. a threaded rod; 4. a fixed block; 5. a first support block; 6. a second support block; 7. a clamping plate; 8. a mounting column; 9. a mounting plate; 10. a sleeve; 11. a bolt; 12. a first nut; 13. a moving block; 14. a second nut; 15. a connecting plate; 16. a sloping plate; 17. a semicircular angle square.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the friction coefficient experimental device for high school physics according to the embodiment of the utility model comprises an experimental box 1, wherein a threaded rod 3 is fixedly connected to the side inner wall of the experimental box 1, a fixed block 4 is fixedly connected to the side inner wall of the experimental box 1, a first supporting block 5 is fixedly connected to the upper surface of the fixed block 4, a second supporting block 6 is fixedly connected to the upper surface of the fixed block 4, a clamping plate 7 is rotatably connected to the side inner wall of the first supporting block 5, the clamping plate 7 fixes the position of the mounting plate 9, the mounting plate 9 is vertical or parallel to the experimental box 1, a cover plate 2 is movably connected to the side inner wall of the experimental box 1, the cover plate 2 seals the experimental box 1, external dust and rainwater and the like are prevented from entering the inside, the device is convenient to carry, the side surface of the clamping plate 7 is movably connected with the second supporting block 6, a mounting post 8 is fixedly connected to the side surface of the second supporting block 6, the side surface of the mounting post 8 is fixedly connected with the mounting post 8, the side surface of the fixed block 4 is fixedly connected with the threaded rod 3, the side surface of the mounting post 8 is rotatably connected with the mounting plate 9, the mounting plate 9 can be rotatably lowered under the action of the mounting post 8, the side surface of the mounting plate 9 can be rotatably connected with the mounting plate 9, a bolt 11 is movably connected with a threaded sleeve 11, and the side surface of the side 10 is fixedly connected with a threaded sleeve 11.
The side surface swing joint of threaded rod 3 has movable block 13, the side surface and the mounting panel 9 swing joint of cardboard 7, the upper surface of movable block 13 is provided with the spout, the side surface threaded connection of threaded rod 3 has second nut 14, the upper surface sliding connection of movable block 13 has connecting plate 15, the lower fixed surface of connecting plate 15 is connected with the slider, the side surface and the spout sliding connection of slider make connecting plate 15 slip more smooth and easy, connecting plate 15 makes swash plate 16 can install on sleeve 10 through controlling the removal, the side inner wall rotation of connecting plate 15 is connected with swash plate 16, the side surface and the experimental box 1 swing joint of movable block 13, the side surface and the swash plate 16 swing joint of bolt 11, swash plate 16 can angle regulation, the side surface fixedly connected with semicircle angle square 17 of connecting plate 15, semicircle angle square 17 can make the student observe swash plate 16 rotation angle and record intuitively, the side surface and the swash plate 16 swing joint of first nut 14, the side surface and the movable connection of movable block 13 of movable block of side nut 14, the upper surface threaded connection has the screw of experimental box 1.
Working principle: after the device is taken to a class, the cover plate 2 is opened, the clamping plate 7 is rotated to rotate the mounting plate 9 to enable the mounting plate 9 to be perpendicular to the experimental box 1, the clamping plate 7 is put down to clamp the mounting plate 9, the inclined plate 16 is rotated to move the connecting plate 15 left and right to penetrate the inclined plate 16 into the bolt 11, the first nut 12 is screwed, the movable block 13 is pushed to adjust the angle of the inclined plate 16, the angle is observed through the semicircular angle square 17, and the second nut 14 is screwed after the adjustment.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. The friction coefficient experimental device for high school physics is characterized by comprising:
Experiment case (1), the side inner wall fixedly connected with threaded rod (3) of experiment case (1), the side inner wall fixedly connected with fixed block (4) of experiment case (1), the upper surface fixedly connected with first supporting shoe (5) of fixed block (4), the upper surface fixedly connected with second supporting shoe (6) of fixed block (4), the side inner wall rotation of first supporting shoe (5) is connected with cardboard (7), the side surface fixedly connected with erection column (8) of second supporting shoe (6), the side surface rotation of erection column (8) is connected with mounting panel (9), the side surface swing joint of mounting panel (9) has sleeve (10), the side surface fixedly connected with bolt (11) of sleeve (10), the side surface threaded connection of bolt (11) has first nut (12);
The side surface swing joint of threaded rod (3) has movable block (13), the side surface threaded connection of threaded rod (3) has second nut (14), the upper surface sliding connection of movable block (13) has connecting plate (15), the side inner wall rotation of connecting plate (15) is connected with swash plate (16), the side surface fixedly connected with semicircle angle square (17) of connecting plate (15).
2. The friction coefficient experimental device for high school physics according to claim 1, wherein the side inner wall of the experimental box (1) is movably connected with a cover plate (2), and the side surface of the clamping plate (7) is movably connected with a second supporting block (6).
3. The friction coefficient experimental device for high school physics according to claim 1, wherein the side surface of the mounting column (8) is fixedly connected with the mounting column (8), and the side surface of the fixing block (4) is fixedly connected with the threaded rod (3).
4. The friction coefficient experimental device for high school physics according to claim 1, wherein the side surface of the clamping plate (7) is movably connected with the mounting plate (9), and the upper surface of the moving block (13) is provided with a sliding groove.
5. The experimental device for the friction coefficient for the high school physics according to claim 4, wherein the lower surface of the connecting plate (15) is fixedly connected with a sliding block, and the side surface of the sliding block is in sliding connection with the sliding groove.
6. The friction coefficient experimental device for high school physics according to claim 1, wherein the side surface of the moving block (13) is movably connected with the experimental box (1), and the side surface of the bolt (11) is movably connected with the sloping plate (16).
7. The experimental device for friction coefficient for high school physics according to claim 1, wherein the side surface of the first nut (12) is movably connected with the sloping plate (16), and the side surface of the second nut (14) is movably connected with the moving block (13).
8. The experimental device for friction coefficient for high school physics according to claim 1, wherein the upper surface of the experimental box (1) is connected with a screw in a threaded manner.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221304126U true CN221304126U (en) | 2024-07-09 |
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| GR01 | Patent grant |