CN219872630U - Physical friction force demonstration device - Google Patents
Physical friction force demonstration device Download PDFInfo
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- CN219872630U CN219872630U CN202222390659.5U CN202222390659U CN219872630U CN 219872630 U CN219872630 U CN 219872630U CN 202222390659 U CN202222390659 U CN 202222390659U CN 219872630 U CN219872630 U CN 219872630U
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- sliding
- extension rod
- demonstration device
- bearing plate
- vertical plate
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- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a physical friction demonstration device which comprises a base, a vertical plate, extension rods and a bearing plate, wherein one side of the upper end of the base is provided with the vertical plate, one side wall of the vertical plate is provided with the extension rods, three extension rods are arranged, the joint of the vertical plate and the extension rods is provided with a sliding groove, the inside of the extension rods is provided with a sliding rod, and the joint of the sliding rod and the sliding groove is provided with a sliding block. The beneficial effects are that: according to the utility model, through the design of the extension rod, the bearing plate and the connecting frame, the demonstration device can be provided with adjustable demonstration modes, different friction force demonstration modes can be carried out for students, the application range of the device is enlarged, and through the design of the friction surface and the graduated scale, the demonstration device can be provided with graduated marks, so that the students can calculate the friction force more intuitively.
Description
Technical Field
The utility model relates to the technical field of demonstration devices, in particular to a physical friction demonstration device.
Background
When two objects which are contacted and pressed with each other are in relative movement or have a relative movement trend, a force which resists the relative movement or the relative movement trend is generated on the contact surface, and the force is called a friction force, and a friction force demonstration device is needed in high-school physics teaching.
At present, most of the existing demonstration devices do not have adjustable demonstration modes, so that different friction force demonstration modes cannot be carried out for students, the application range of the device is smaller, and meanwhile, the existing demonstration devices do not have scale marks, so that the students cannot calculate the friction force more intuitively, and therefore a novel physical friction force demonstration device is urgently needed to solve the problems.
Disclosure of Invention
First, the technical problem to be solved
In order to overcome the defects of the prior art, the physical friction force demonstration device is provided, and the problem that the friction force cannot be calculated more intuitively by students due to the fact that the existing demonstration device is not provided with scale marks because the existing demonstration device is not provided with an adjustable demonstration mode mostly, so that different friction force demonstration modes cannot be carried out for the students is solved.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a physical friction demonstration device which comprises a base, a vertical plate, an extension rod and a bearing plate, wherein one side of the upper end of the base is provided with the vertical plate, one side wall of the vertical plate is provided with the extension rod, three extension rods are arranged at the joint of the vertical plate and the extension rod, sliding grooves are formed in the extension rod, sliding blocks are arranged at the joint of the sliding blocks and the sliding grooves, a limiting pin is arranged on one side wall of the extension rod, one end of the extension rod is provided with the bearing plate, a sliding pin I is arranged at the joint of the extension rod and the bearing plate, the upper end of the bearing plate is provided with a friction surface, one end of the bearing plate is provided with a connecting frame, a sliding pin II is arranged at the joint of the connecting frame and the bearing plate, a sliding pad is arranged on the other side wall of the vertical plate, and a limiting bolt is arranged on the side wall of the sliding pad.
Through adopting above-mentioned technical scheme, the extension rod the loading board reaches the design of link can make presentation device possess adjustable demonstration mode, can carry out different frictional force demonstration modes for the classmate, improves the application range of device, friction surface and the design of scale can make presentation device have the scale mark, makes the classmate can more audio-visual calculate the frictional force.
Further, the base is connected with the vertical plate through bolts.
Through adopting above-mentioned technical scheme, can make the structural connection of device more firm.
Further, the vertical plate is in sliding connection with the extension rod, the sliding groove is formed in the vertical plate, the extension rod is in sliding connection with the sliding rod, and the sliding block is formed in the sliding rod.
Through adopting above-mentioned technical scheme, can make the device possess adjustable demonstration mode, can carry out different frictional force demonstration modes for the classmates, improve the application range of device.
Further, the extension rod is inserted with the limiting pin.
By adopting the technical scheme, the length of the extension rod can be flexibly adjusted.
Further, the extension rod is connected with the bearing plate through the sliding pin, and the connecting frame is connected with the bearing plate through the sliding pin II.
By adopting the technical scheme, the gradient of the bearing plate can be flexibly adjusted.
Further, the upper end of the bearing plate is provided with a friction surface, and the base is connected with the connecting frame through bolts.
By adopting the technical scheme, the stability of the bearing plate can be ensured.
Further, the vertical plate is in sliding connection with the sliding pad, and the sliding pad is in threaded connection with the limit bolt.
Through adopting above-mentioned technical scheme, can carry out the altitude mixture fixation to the extension rod.
Further, the graduated scale is formed on the bearing plate.
By adopting the technical scheme, the device can be provided with the scale marks, so that students can calculate the friction force more intuitively.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
1. in order to solve the problem that the application range of the device is small because the existing demonstration device is not provided with an adjustable demonstration mode mostly, so that different friction demonstration modes cannot be carried out for students, the demonstration device is provided with the adjustable demonstration mode through the design of the extension rod, the bearing plate and the connecting frame, different friction demonstration modes can be carried out for the students, and the application range of the device is improved.
2. In order to solve the problem that the friction force cannot be calculated more intuitively due to the fact that the conventional demonstration device does not have scale marks, the friction force calculation device has the scale marks through the design of the friction surface and the scale, and the friction force can be calculated more intuitively by the students.
Drawings
FIG. 1 is a schematic diagram of a physical friction force demonstration device according to the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1 of a physical friction force demonstration device according to the present utility model;
FIG. 3 is a schematic diagram illustrating a connection relationship between an extension rod and a carrier plate in a physical friction force demonstration device according to the present utility model;
FIG. 4 is a schematic diagram illustrating a connection relationship between a connection frame and a carrier plate in a physical friction force demonstration device according to the present utility model;
fig. 5 is a right side view of a physical friction demonstration device according to the present utility model.
The reference numerals are explained as follows:
1. a base; 2. a vertical plate; 3. an extension rod; 4. a chute; 5. a slide block; 6. a slide bar; 7. a limiting pin; 8. a carrying plate; 9. a first sliding pin; 10. a friction surface; 11. a connecting frame; 12. a sliding pin II; 13. a slide pad; 14. a limit bolt; 15. a graduated scale.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-5, a physical friction force demonstration device in this embodiment includes a base 1, a vertical plate 2, an extension rod 3 and a bearing plate 8, wherein one side of the upper end of the base 1 is provided with the vertical plate 2, one side wall of the vertical plate 2 is provided with the extension rod 3, the extension rod 3 is provided with three, the joint of the vertical plate 2 and the extension rod 3 is provided with a sliding groove 4, a sliding rod 6 is arranged in the extension rod 3, the joint of the sliding rod 6 and the sliding groove 4 is provided with a sliding block 5, one side wall of the extension rod 3 is provided with a limit pin 7, one end of the extension rod 3 is provided with the bearing plate 8, the joint of the extension rod 3 and the bearing plate 8 is provided with a sliding pin one 9, the upper end of the bearing plate 8 is provided with a friction surface 10, one end of the bearing plate 8 is provided with a connecting frame 11, the connecting frame 11 and the bearing plate 8 are provided with a sliding pin two 12, the other side wall of the vertical plate 2 is provided with a sliding pad 13, one side wall of the sliding pad 13 is provided with a limit bolt 14, one side wall of the bearing plate 8 is provided with a scale 15, through the sliding rod 3, the bearing plate 8 and the connecting frame 11 and the sliding frame 8 are designed to enable the friction force demonstration device to have the same way as the friction force demonstration device, so that the friction force can be more visually designed by students, and can be demonstrated by the students.
As shown in fig. 1-5, in this embodiment, the base 1 is connected with the vertical plate 2 through a bolt, so that the structural connection of the device is more stable, the vertical plate 2 is connected with the extension rod 3 in a sliding manner, the sliding chute 4 is formed on the vertical plate 2, the extension rod 3 is connected with the sliding rod 6 in a sliding manner, the sliding block 5 is formed on the sliding rod 6, the device is provided with an adjustable demonstration mode, different friction force demonstration modes can be performed for students, the application range of the device is improved, the extension rod 3 is spliced with the limiting pin 7, the extension rod 3 can flexibly adjust the length, the extension rod 3 is connected with the bearing plate 8 through a sliding pin 9, the connecting frame 11 is connected with the bearing plate 8 through a sliding pin 12, the bearing plate 8 can flexibly adjust the gradient, the upper end of the bearing plate 8 is provided with a friction surface 10, the base 1 is connected with the connecting frame 11 through a bolt, the stability of the bearing plate 8 can be ensured, the vertical plate 2 is connected with the sliding pad 13 in a sliding manner, the sliding pad 13 is connected with the limiting bolt 14 through threads, the height of the extension rod 3 can be fixed to the extension rod 3, the scale 15 is connected with the sliding pad 13, the sliding pad 13 can be used for calculating the visual scale device, and the device can be used for calculating the friction force of students.
The specific implementation process of this embodiment is as follows: when the device is used, a user can control the extension rod 3 to adjust up and down through the sliding block 5, the length of the extension rod 3 can be adjusted through the limiting pin 7 and the sliding rod 6, so that the bearing plate 8 is driven through the sliding pin 9 to adjust the gradient, after the adjustment is finished, the sliding pad 13 and the limiting bolt 14 can be used for fixing the sliding pad, the device can be used for carrying out different friction force demonstration modes, the application range of the device is improved, and in the demonstration process, students can calculate the friction force more intuitively through the graduated scale 15.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (8)
1. A physical friction force demonstration device is characterized in that: including base (1), riser (2), extension rod (3) and loading board (8), base (1) upper end one side is provided with riser (2), be provided with on a riser (2) lateral wall extension rod (3), extension rod (3) have three, riser (2) with extension rod (3) junction is provided with spout (4), be provided with slide bar (6) in extension rod (3), slide bar (6) with spout (4) junction is provided with slider (5), be provided with spacer pin (7) on extension rod (3) lateral wall, extension rod (3) one end is provided with loading board (8), extension rod (3) with loading board (8) junction is provided with sliding pin one (9), loading board (8) upper end is provided with friction surface (10), loading board (8) one end is provided with link (11), link (11) with loading board (8) one side wall (12) are provided with two lateral walls (13), a graduated scale (15) is arranged on one side wall of the bearing plate (8).
2. The physical friction demonstration device according to claim 1, wherein: the base (1) is connected with the vertical plate (2) through bolts.
3. The physical friction demonstration device according to claim 1, wherein: the vertical plate (2) is in sliding connection with the extension rod (3), the sliding groove (4) is formed in the vertical plate (2), the extension rod (3) is in sliding connection with the sliding rod (6), and the sliding block (5) is formed in the sliding rod (6).
4. The physical friction demonstration device according to claim 1, wherein: the extension rod (3) is inserted with the limiting pin (7).
5. The physical friction demonstration device according to claim 1, wherein: the extension rod (3) is connected with the bearing plate (8) through the first sliding pin (9), and the connecting frame (11) is connected with the bearing plate (8) through the second sliding pin (12).
6. The physical friction demonstration device according to claim 1, wherein: the upper end of the bearing plate (8) is provided with a friction surface (10), and the base (1) is connected with the connecting frame (11) through bolts.
7. The physical friction demonstration device according to claim 1, wherein: the vertical plate (2) is in sliding connection with the sliding pad (13), and the sliding pad (13) is in threaded connection with the limit bolt (14).
8. The physical friction demonstration device according to claim 1, wherein: the graduated scale (15) is formed on the bearing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222390659.5U CN219872630U (en) | 2022-09-08 | 2022-09-08 | Physical friction force demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222390659.5U CN219872630U (en) | 2022-09-08 | 2022-09-08 | Physical friction force demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872630U true CN219872630U (en) | 2023-10-20 |
Family
ID=88347140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222390659.5U Active CN219872630U (en) | 2022-09-08 | 2022-09-08 | Physical friction force demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872630U (en) |
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2022
- 2022-09-08 CN CN202222390659.5U patent/CN219872630U/en active Active
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