CN218898582U

CN218898582U - Friction experiment model

Info

Publication number: CN218898582U
Application number: CN202222856039.6U
Authority: CN
Inventors: 杨坤霈
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-25
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to the technical field of test equipment, and discloses a friction experiment model, which comprises a base for supporting a rotating disk, a rotating disk for detecting friction force, friction plates for controlling the rotating speed of the rotating disk and a friction device for adjusting the friction force.

Description

Friction experiment model

Technical Field

The utility model relates to the technical field of test equipment, in particular to a friction experiment model.

Background

The physics is the subject of researching the most general law of substance movement and the basic structure of substances, and the physics research is as large as universe, as small as basic particles and other substances, for example, friction movement, in teaching, a physical teacher often carries out physical experiments through a plurality of models, so that students can more intuitively know the knowledge of friction, for example, chinese patent CN215381858U discloses a sole friction and wear experiment device, shoes on a foot model device are utilized to repeatedly rub with friction blocks, so that the wearing situation of the shoes when the shoes walk on the inclined road surfaces with different angles is simulated, the use is very convenient, however, the prior friction experiment model is very convenient in the teaching process, the ambiguity of friction viewing is caused by the movement of the model, and the students are not objective in the process of watching friction force adjustment, so that a friction experiment model is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a friction experiment model, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a friction experiment model, is including the base that is used for supporting the rotary disk, is used for detecting the carousel of frictional force, is used for controlling the friction plate of carousel slew velocity and is used for adjusting the friction device of frictional force size, and the upper end of base is provided with the support frame, and is provided with the carousel between the support frame, and the outside of support frame is provided with the motor, and is provided with friction device between carousel and the base, and is provided with the friction plate between friction device and the carousel.

Preferably, the carousel is discoid setting, and the central point of carousel side sets up to the disc heart, and the interval fixedly connected with connecting strip between lateral wall and the disc heart of carousel, and the outer wall surface fixed ring of carousel has two friction plates.

Preferably, the support frame includes bracing piece and swivelling joint spare, and the upper end of base just is located two bracing pieces of both sides fixedly connected with of carousel, and the height of two bracing pieces is in the same place with the corresponding setting of the disc heart on the carousel, and is in the same place through swivelling joint spare and carousel swing joint between two bracing pieces, and swivelling joint spare and the expansion end of motor are in the same place through rotation axis swing joint.

Preferably, the friction device comprises a rotating rod, gears, friction seats, threaded rods, thread blocks and friction blocks, wherein the side end of the base is movably inserted with the rotating rod, the rotating rod is positioned in the base and corresponds to the two gears, the upper end of the base corresponds to the two gears, the two friction seats are fixedly connected under the friction plates, the inner parts of the two friction seats are movably connected with the threaded rods, the threaded rods are movably sleeved with the two thread blocks, the upper ends of the friction seats are provided with sliding grooves, two sides of the friction seats corresponding to the friction plates are movably connected with the two friction blocks, and the two friction blocks are fixedly connected with the two thread blocks.

Preferably, the friction seat is square, and the upper end of the friction seat is provided with a U-shaped limit groove, and the inner wall of the U-shaped groove is provided with a groove, and the friction block is movably inlaid with the groove, and the friction plate is movably clamped with the limit groove.

Preferably, the thread direction of the threaded rod is that both ends are mutually symmetrical together, and the position of the threaded rod corresponding to the gear is set to be gear-shaped, and the gear is meshed with the threaded rod together, and two thread blocks are movably sleeved on the threaded rod in two directions.

(III) beneficial effects

Compared with the prior art, the utility model provides a friction experiment model, which has the following beneficial effects:

1. according to the friction experiment model, the rotating turntable is utilized to objectively and definitely control the friction force through the adjustment of the friction force, and the influence of the friction force at the reaction position on the turntable can be objectively and definitely controlled through the rotating speed of the connecting strip on the turntable.

2. According to the friction experiment model, the friction blocks on two sides tighten or loosen the friction plate by utilizing the rotation of the rotary rod through the friction device, so that the influence of friction force is known through the movement speed of the rotary disc, and the friction force is more convenient to adjust.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

fig. 2 is a schematic view of a friction device according to the present utility model.

In the figure: 1. a base; 2. a turntable; 3. a friction plate; 4. a friction device; 5. a support frame; 6. a disc core; 7. a connecting strip; 8. a motor; 9. a support rod; 10. a rotary connector; 11. a rotating rod; 12. a gear; 13. a friction seat; 14. a threaded rod; 15. a screw block; 16. a friction block; 17. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a friction experiment model comprises a base 1 for supporting a rotating disc, a rotating disc 2 for detecting friction force, a friction plate 3 for controlling the rotating speed of the rotating disc and a friction device 4 for adjusting the friction force, wherein a supporting frame 5 is arranged at the upper end of the base 1, the rotating disc 2 is arranged between the supporting frames 5, a motor 8 is arranged on the outer side of the supporting frame 5, the friction device 4 is arranged between the rotating disc 2 and the base 1, the friction plate 3 is arranged between the friction device 4 and the rotating disc 2, the supporting frame 5 is supported by the base 1, then the rotating disc 2 is rotated by the motor 8, then the friction plate 3 on the rotating disc 2 is clamped by the friction device 4, friction is generated between the friction plate 3 and the rotating disc 2, so that the speed of the rotating disc 2 is reduced, and the friction force is adjusted by the friction device 4, so that the appearance of the rotating disc 2 is reflected more objectively.

Further, carousel 2 is discoid setting, and the central point of carousel 2 side sets up to disc heart 6, and interval fixedly connected with connecting strip 7 between the lateral wall of carousel 2 and the disc heart 6, and the outer wall surface of carousel 2 is fixed to encircle and is had two friction plates 3, utilizes motor 8 to drive carousel 2 rotation, makes connecting strip 7 on the carousel 2 can more objective and more vivid reaction the speed when carousel 2 is rotatory.

Further, the support frame 5 includes bracing piece 9 and swivelling joint spare 10, the upper end of base 1 just is located two fixedly connected with two bracing pieces 9 of both sides of carousel 2, and the corresponding setting together of the disc heart 6 on the carousel 2 of the height of two bracing pieces 9, and be in the same place through swivelling joint spare 10 and carousel 2 swing joint between two bracing pieces 9, and swivelling joint spare 10 and the expansion end of motor 8 are in the same place through rotation axis swing joint, the support frame 5 utilizes swivelling joint spare 10 to carousel 2 through two bracing pieces 9, make motor 8 drive swivelling joint spare 10 and rotate carousel 2.

Further, friction device 4 includes rotary rod 11, gear 12, friction seat 13, threaded rod 14, thread piece 15 and friction piece 16, the side activity grafting of base 1 has rotary rod 11, and rotary rod 11 is located the inside of base 1 and corresponds two friction plate 3's position fixedly connected with two gears 12, and the upper end of base 1 corresponds two friction seat 13 of fixedly connected with under friction plate 3, and the inside of two friction seat 13 all swing joint has threaded rod 14, and two thread pieces 15 have been cup jointed on the threaded rod 14 in the activity, and the spout has been seted up to the upper end of friction seat 13, and friction seat 13 is located the both sides swing joint of corresponding friction plate 3 in the spout and has two friction pieces 16, and two friction pieces 16 and two thread pieces 15 fixed connection are in the same place, friction device 4 utilizes the rotation of rotary rod 11, make gear 12 rotate, make gear 12 drive threaded rod 14 rotate, utilize the mutual removal of two thread pieces 15 on the threaded rod 14, make friction piece 16 carry out the centre gripping to friction plate 3 on carousel 2, utilize the friction piece 16 to influence the rotation speed of carousel 2, the speed of rotation speed of carousel 2 is objective.

Further, the friction seat 13 is square, the upper end of the friction seat 13 is provided with a U-shaped limit groove 17, the inner wall of the U-shaped groove 17 is provided with a groove, the friction block 16 is movably inlaid with the groove, the friction plate 3 is movably clamped with the limit groove 17, the friction seat 13 is provided with the limit groove 17, the rotary table 2 is prevented from rotating out of other positions by rotating in the limit groove 17, the friction block 16 is inlaid at two sides of the limit groove 17, and the friction block 16 is positioned in the limit groove 17 to rub the friction plate 3.

Further, the two ends of the threaded rod 14 are symmetrical to each other, the position of the threaded rod 14 corresponding to the gear 12 is set to be gear-shaped, the gear 12 is meshed with the threaded rod 14, the two thread blocks 15 are movably sleeved on the threaded rod 14 in two directions, the gear 12 drives the threaded rod 14 to rotate by utilizing the gear-shaped position in the middle of the threaded rod 14, and the two thread blocks 15 on the threaded rod 14 drive the friction block 16 to move.

Working principle: the support to support frame 5 through base 1, then utilize motor 8 to rotate carousel 2, then utilize friction device 4 to tighten friction plate 3 on carousel 2, make the friction between the two, thereby realize the reduction on the carousel 2 speed, and utilize friction device 4 to the regulation of frictional force, thereby more objective reaction carousel 2 rotatory the appearance when rotating, utilize motor 8 to drive carousel 2 rotatory, the connecting strip 7 on messenger carousel 2 can more objective reaction carousel 2 rotatory time speed, the joint of carousel 2 is utilized to two bracing pieces 9 through rotary connection piece 10, make motor 8 drive rotary connection piece 10 to rotate carousel 2, friction device 4 utilizes rotary rod 11's rotation, make gear 12 rotate, make gear 12 drive threaded rod 14 rotate, utilize two thread blocks 15 on threaded rod 14 to move each other, make friction plate 16 carry out the centre gripping to friction plate 3 on carousel 2, utilize friction block 16 and friction plate 3 between the friction, utilize the size of frictional force, objective reaction carousel 2 rotatory speed, utilize the thread blocks 17 to set up in the limit groove 17 on the threaded rod 14 to make the two limit groove 16 in the limit groove 16, the limit groove is made in the position of threaded rod 14 is realized to the two limit groove 16, the limit groove is opened to the 16 on the threaded rod 14 is used to make the two limit groove 16, the limit groove is used to make the position of the friction plate 16 on the carousel 2, the limit groove is used to make the two limit groove 16 is located in the limit groove 16, the limit groove is 16 is used to make the limit groove 16 to rotate, the limit groove is used to make the speed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A friction experiment model is characterized in that: including base (1) that is used for supporting the rotary disk, be used for detecting carousel (2) of frictional force, be used for controlling friction plate (3) of carousel slew velocity and be used for adjusting friction device (4) of frictional force size, the upper end of base (1) is provided with support frame (5), and is provided with carousel (2) between support frame (5), and the outside of support frame (5) is provided with motor (8), and is provided with friction device (4) between carousel (2) and base (1), and is provided with friction plate (3) between friction device (4) and carousel (2).

2. A friction experimental model according to claim 1, characterized in that: the rotary table (2) is in a disc-shaped arrangement, the center position of the side end of the rotary table (2) is set to be a disc center (6), connecting strips (7) are fixedly connected between the side wall of the rotary table (2) and the disc center (6) at intervals, and two friction plates (3) are fixedly arranged on the surface of the outer wall of the rotary table (2) in a surrounding mode.

3. A friction experimental model according to claim 2, characterized in that: the support frame (5) comprises support rods (9) and rotary connecting pieces (10), two support rods (9) are fixedly connected to the upper end of the base (1) and located on two sides of the rotary table (2), the heights of the two support rods (9) are corresponding to those of the disc cores (6) on the rotary table (2), the two support rods (9) are movably connected with the rotary table (2) through the rotary connecting pieces (10), and the movable ends of the rotary connecting pieces (10) and the motor (8) are movably connected through rotary shafts.

4. A friction experimental model according to claim 2, characterized in that: the friction device (4) comprises a rotating rod (11), a gear (12), a friction seat (13), a threaded rod (14), thread blocks (15) and friction blocks (16), wherein the rotating rod (11) is movably inserted into the side end of the base (1), the rotating rod (11) is located in the base (1) and corresponds to the two friction plates (3), two gears (12) are fixedly connected with the upper end of the base (1) and corresponds to the two friction seats (13) under the two friction plates (3), the threaded rod (14) is movably connected to the inner portions of the two friction seats (13), two thread blocks (15) are movably sleeved on the threaded rod (14), a sliding groove is formed in the upper end of the friction seat (13), two friction blocks (16) are movably connected to the two sides of the friction seat (13) which correspond to the friction plates (3) in the sliding groove, and the two friction blocks (16) are fixedly connected with the two thread blocks (15).

5. A friction experimental model according to claim 4, characterized in that: the friction seat (13) is square, the upper end of the friction seat (13) is provided with a U-shaped limit groove (17), the inner wall of the U-shaped limit groove (17) is provided with a groove, the friction block (16) and the groove are movably embedded together, and the friction plate (3) and the limit groove (17) are movably clamped together.

6. A friction experimental model according to claim 4, characterized in that: the thread direction of the threaded rod (14) is that both ends are mutually symmetrical together, the position of the threaded rod (14) corresponding to the gear (12) is set to be gear-shaped, the gear (12) is meshed with the threaded rod (14), and two thread blocks (15) are movably sleeved on the threaded rod (14) in two directions.