CN219435429U - Inertia law experimental device - Google Patents
Inertia law experimental device Download PDFInfo
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- CN219435429U CN219435429U CN202320247991.8U CN202320247991U CN219435429U CN 219435429 U CN219435429 U CN 219435429U CN 202320247991 U CN202320247991 U CN 202320247991U CN 219435429 U CN219435429 U CN 219435429U
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- bottom plate
- inclined plane
- connecting rod
- inertia law
- inertia
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Abstract
The utility model discloses an inertia law experimental device, which comprises: a bottom plate and an inclined plane; the bottom plate is internally provided with a through cavity for accommodating the inclined plane; grooves are formed in two ends of one side of the upper surface of the bottom plate, and sliding grooves are formed in positions, opposite to the grooves, on the inner walls of two sides of the accommodating cavity; two ends of one side of the inclined plane extend outwards to form a connecting rod, and a bulge is arranged on the outer side of the connecting rod; the connecting rod passes through the groove and is connected to the chute of the bottom plate in a sliding way through the bulge; the back of the inclined plane is provided with an adjustable supporting component close to the connecting rod, which is used for adjusting the inclination angle between the inclined plane and the bottom plate and supporting the inclined plane. Through the arrangement of the through accommodating cavity in the bottom plate, the inclined plane can slide towards the accommodating cavity through the bulge, so that the inclined plane is accommodated in the accommodating cavity of the bottom plate, occupies no much space and is convenient to accommodate; the inclination between the inclined plane and the bottom plate is adjusted by arranging the adjustable supporting component, so that the device is convenient and quick and has strong practicability.
Description
Technical Field
The utility model belongs to the technical field of test devices, and particularly relates to an inertia law test device.
Background
The law of inertia is also called Newton's first law of motion, which is simply called Newton's first law, and is commonly and completely expressed: any object is kept in a uniform linear motion or a static state until an external force forces it to change the motion state. When the inertia law experiment is carried out, the inertia law experiment is usually carried out on a plane and an inclined plane, namely a traditional inertia law experiment device is usually formed by a plane and an inclined plane, the inclined plane is fixedly connected relative to the plane, a small ball slides down from the top of the inclined plane, and then slides onto the plane, so that uniform linear motion is kept until external force forces the small ball to change the motion state.
However, the traditional experimental device for law of inertia occupies a large space, and the inclined plane is fixedly connected to the plane, so that the experimental device is inconvenient to store. Therefore, the conventional inertia law experimental device has a problem of low practicality.
Disclosure of Invention
Aiming at the problems, it is necessary to provide an inertia law experimental device which is convenient to use and strong in practicability.
An inertia law experimental device comprises a bottom plate and an inclined plane; the bottom plate is internally provided with a penetrating accommodating cavity for accommodating the inclined plane; grooves are formed in two ends of one side of the upper surface of the bottom plate, and sliding grooves are formed in positions, opposite to the grooves, on the inner walls of two sides of the accommodating cavity; the two ends of one side of the inclined plane extend outwards to form a connecting rod, and a bulge is arranged on the outer side of the connecting rod; the connecting rod passes through the groove and is connected to the chute of the bottom plate in a sliding way through the bulge; the back of the inclined plane is provided with an adjustable supporting component close to the connecting rod, and the adjustable supporting component is used for adjusting the inclination angle between the inclined plane and the bottom plate and supporting the inclined plane.
In one embodiment, the upper surface of the inclined plane is provided with a first sliding rail, and the upper surface of the bottom plate is provided with a second sliding rail; when the inclined plane is inclined relative to the bottom plate, the tail part of the first sliding rail and the head part of the second sliding rail are positioned on the same straight line.
In one embodiment, the adjustable support assembly is an adjustable bolt.
In one embodiment, a nut on the adjustable bolt is fixedly connected to the back surface of the inclined plane, and a screw rod on the adjustable bolt is parallel to the inclined plane; when the inclined surface is inclined relative to the bottom plate, the bottom of the screw is supported on the bottom plate.
In one embodiment, the back of the inclined surface is provided with a bump away from the connecting rod.
In one embodiment, the sum of the thickness of the bump and the thickness of the inclined surface is consistent with the height of the cavity.
In one embodiment, the length of the chute is greater than the length of the ramp.
In one embodiment, the groove width is greater than the width of the connecting rod.
In one embodiment, the shape of the bottom plate and the inclined plane is cuboid.
In one embodiment, the length of the ramp is less than the length of the floor.
The inertia law experimental device comprises a bottom plate and an inclined plane; the bottom plate is internally provided with a penetrating accommodating cavity for accommodating the inclined plane; grooves are formed in two ends of one side of the upper surface of the bottom plate, and sliding grooves are formed in positions, opposite to the grooves, on the inner walls of two sides of the accommodating cavity; the two ends of one side of the inclined plane extend outwards to form a connecting rod, and a bulge is arranged on the outer side of the connecting rod; the connecting rod passes through the groove and is connected to the chute of the bottom plate in a sliding way through the bulge; the back of the inclined plane is provided with an adjustable supporting component close to the connecting rod, and the adjustable supporting component is used for adjusting the inclination angle between the inclined plane and the bottom plate and supporting the inclined plane. Through the arrangement of the through accommodating cavity in the bottom plate, the inclined plane can slide towards the accommodating cavity through the bulge, so that the inclined plane is accommodated in the accommodating cavity of the bottom plate, occupies no much space and is convenient to accommodate; the inclination between the inclined plane and the bottom plate is adjusted by arranging the adjustable supporting component, so that the device is convenient and quick and has strong practicability.
Drawings
FIG. 1 is a block diagram of an inertia law experiment apparatus in one embodiment;
FIG. 2 is a schematic view of the bottom plate 100 in the structure shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a base plate 100 in one embodiment;
FIG. 4 is a schematic view of the inclined plane 200 in the structure shown in FIG. 1;
FIG. 5 is a block diagram of an inertia law experiment apparatus in another embodiment;
FIG. 6 is a block diagram of an inertia law experiment apparatus in yet another embodiment;
FIG. 7 is a schematic cross-sectional view of an embodiment in which a bevel is received in a floor pocket.
Detailed Description
For a better understanding of the present utility model, the content of the present utility model will be further elucidated with reference to the drawings and examples, but the utility model is not limited to the examples described below.
In one embodiment, as shown in fig. 1, 2, 3 and 4, the experimental device for law of inertia provided by the utility model mainly comprises: a bottom plate 100, a slope 200; the bottom plate 100 is internally provided with a through cavity 110 for accommodating the inclined plane 200; grooves 120 are formed at two ends of one side of the upper surface of the bottom plate 100, and sliding grooves 130 are formed on the inner walls of two sides of the accommodating cavity 110 at positions opposite to the grooves 120; two ends of one side of the inclined plane 200 extend outwards to form a connecting rod 210, and a protrusion 220 is arranged on the outer side of the connecting rod 210; the connecting rod 210 passes through the groove 120 and is connected to the chute 130 of the bottom plate 100 in a sliding way through the protrusion 220; an adjustable support assembly 300 is provided at the rear surface of the inclined surface 200 near the connection rod 210 for adjusting an inclination angle between the inclined surface 200 and the bottom plate 100 and supporting the inclined surface 200.
As shown in fig. 2 and 3, the bottom plate 100 may have a hollow cavity 110 inside, and the cavity 110 may have a shape corresponding to that of the bottom plate 100 for accommodating the inclined surface. Grooves 120 are formed at both ends of one side of the upper surface of the base plate 100, the grooves 120 may penetrate the upper surface of the base plate 100, and the grooves 120 may have a rectangular shape. Wherein, the inner walls of the two sides of the cavity 110 of the bottom plate 100 are provided with a chute 130 at a position opposite to the groove 120, and the chute 130 may be in a strip shape.
As shown in fig. 4, two ends of one side of the inclined surface 200 connected with the bottom plate may be extended outwards to form the connection rod 210, that is, two connection rods 210 may be provided, and protrusions 220 may be provided on outer sides of the two connection rods 210, and the protrusions 220 may be cylindrical in shape.
The inclined plane 200 may be slidably connected to the base plate 100, and specifically, the protrusion 220 on the inclined plane 200 may slide on the chute 130 on the base plate 100, so as to drive the inclined plane 200 to slide relative to the base plate 100. As the inclined surface 200 slides with respect to the base plate 100, the connection rod 210 slides on the slide groove 130 through the protrusion 220 through the groove 120, and then the inclined surface 200 is supported by the adjustable support assembly 300, wherein the adjustable support assembly 300 may be disposed at the rear surface of the inclined surface 200 near the connection rod 210.
In this embodiment, by arranging the through cavity 110 inside the bottom plate 100, the inclined plane 200 can slide towards the inside of the cavity 110 through the protrusion 220, so that the inclined plane is accommodated inside the cavity 110 of the bottom plate 100, so that the space is not required to be occupied and the accommodating is convenient; the inclination angle between the inclined plane 200 and the bottom plate 100 is adjusted by arranging the adjustable support assembly 300, so that the device is convenient and quick and has strong practicability.
In one embodiment, as shown in fig. 5, the upper surface of the inclined plane 200 is provided with a first sliding rail 202, and the upper surface of the bottom plate 100 is provided with a second sliding rail 102; when the inclined surface 200 is inclined relative to the base plate 100, the tail of the first sliding rail 202 is in the same straight line with the head of the second sliding rail 102.
In performing an inertia law experiment, a ball is typically slid down the top of the ramp 200, and the ball can slide along the first rail 202 into the second rail 102 on the base plate 100 and move at a uniform velocity.
By arranging the first sliding rail 202 on the upper surface of the inclined plane 200, and arranging the second sliding rail 102 on the upper surface of the bottom plate 100, the small ball can be prevented from sliding out of the inclined plane 200 or the bottom plate 100 when an experiment is performed, and the accuracy of the experiment can be improved.
In one embodiment, the adjustable support assembly may be an adjustable bolt.
As shown in fig. 1, in one embodiment, a nut on an adjustable bolt is fixedly connected to the back surface of the inclined surface 200, and a screw on the adjustable bolt is parallel to the inclined surface 200; when the inclined surface 200 is inclined with respect to the base plate 100, the bottom of the screw is supported on the base plate 100.
Wherein the screw is adjustable up and down, and when the screw is adjusted up, the inclination angle of the inclined surface 200 with respect to the bottom plate 100 is larger; the smaller the inclination angle of the inclined surface 200 with respect to the bottom plate 100 when the screw is adjusted downward.
By arranging the adjustable bolt on the back of the inclined plane 200, the inclination angle of the inclined plane 200 can be adjusted, and the practicability of the inertia law experimental device is improved.
In one embodiment, as shown in FIG. 6, the back of the ramp 200 is provided with a tab 230 distal from the connecting rod 210.
In one embodiment, the sum of the thickness of the bump and the thickness of the bevel corresponds to the height of the cavity.
When the inclined plane is stored in the containing cavity of the bottom plate, the inclined plane can be prevented from shaking in the containing cavity due to the protruding blocks, and the stability of the inclined plane during storage is improved.
In one embodiment, the length of the chute is greater than the length of the ramp.
Because the spout sets up on holding chamber both sides inner wall for protruding sliding connection on the connecting rod, set up the length of spout to be greater than the length on inclined plane can accomodate whole inclined plane in holding the chamber, practiced thrift the space.
In one embodiment, the groove width is greater than the width of the connecting rod.
Because the width of the groove is larger than that of the connecting rod, the connecting rod can conveniently pass through the groove to slide in the accommodating cavity.
In one embodiment, the bottom plate and the inclined plane are both rectangular.
Wherein, the bottom plate and the inclined plane can be cuboid made of materials such as wood, plastics and the like.
In one embodiment, the length of the ramp is less than the length of the floor.
The application method of the inertia law experimental device provided by the utility model comprises the following steps:
when the connecting rod is used, the inclined plane is pulled out of the containing cavity of the bottom plate, at the moment, the bulge on the connecting rod of the inclined plane slides outwards along the chute on the inner wall of the containing cavity, and the connecting rod moves in the groove;
when the inclined plane is moved to a proper position, an adjustable manufacturing assembly on the back surface of the inclined plane is adjusted so that the inclined plane is fixed on the bottom plate;
after the experiment is finished, the inclined plane is pulled outwards to enable the inclined plane to be parallel to the bottom plate, then the inclined plane is pushed into the containing cavity of the bottom plate, at the moment, the protrusions on the inclined plane connecting rods slide inwards along the sliding grooves on the inner walls of the containing cavity until the inclined plane is pushed into the containing cavity of the bottom plate completely, and the inclined plane is contained in the containing cavity of the bottom plate as shown in fig. 7.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
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 (10)
1. The inertia law experimental device is characterized by comprising a bottom plate and an inclined plane; the bottom plate is internally provided with a penetrating accommodating cavity for accommodating the inclined plane; grooves are formed in two ends of one side of the upper surface of the bottom plate, and sliding grooves are formed in positions, opposite to the grooves, on the inner walls of two sides of the accommodating cavity; the two ends of one side of the inclined plane extend outwards to form a connecting rod, and a bulge is arranged on the outer side of the connecting rod; the connecting rod passes through the groove and is connected to the chute of the bottom plate in a sliding way through the bulge; the back of the inclined plane is provided with an adjustable supporting component close to the connecting rod, and the adjustable supporting component is used for adjusting the inclination angle between the inclined plane and the bottom plate and supporting the inclined plane.
2. The inertia law experiment device according to claim 1, wherein a first sliding rail is arranged on the upper surface of the inclined plane, and a second sliding rail is arranged on the upper surface of the bottom plate; when the inclined plane is inclined relative to the bottom plate, the tail part of the first sliding rail and the head part of the second sliding rail are positioned on the same straight line.
3. The inertia law experiment apparatus of claim 1, wherein the adjustable support assembly is an adjustable bolt.
4. The inertia law experiment apparatus of claim 3, wherein a nut on the adjustable bolt is fixedly connected to the back surface of the inclined surface, and a screw on the adjustable bolt is parallel to the inclined surface; when the inclined surface is inclined relative to the bottom plate, the bottom of the screw is supported on the bottom plate.
5. The inertia law experiment apparatus of claim 1, wherein the back of the inclined surface is provided with a bump away from the connecting rod.
6. The inertia law experiment apparatus of claim 5, wherein a sum of the thickness of the projection and the thickness of the inclined surface is identical to a height of the cavity.
7. The inertia law experiment apparatus of claim 1, wherein the length of the chute is greater than the length of the ramp.
8. The inertia law experiment apparatus of claim 1, wherein the groove width is greater than the width of the connecting rod.
9. The inertia law experiment apparatus of claim 1, wherein the bottom plate and the inclined surface are both rectangular.
10. The inertia law experiment apparatus of claim 1, wherein the length of the inclined surface is smaller than the length of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320247991.8U CN219435429U (en) | 2023-02-06 | 2023-02-06 | Inertia law experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320247991.8U CN219435429U (en) | 2023-02-06 | 2023-02-06 | Inertia law experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219435429U true CN219435429U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320247991.8U Active CN219435429U (en) | 2023-02-06 | 2023-02-06 | Inertia law experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219435429U (en) |
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- 2023-02-06 CN CN202320247991.8U patent/CN219435429U/en active Active
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