CN218996204U

CN218996204U - Lever balance experimental device

Info

Publication number: CN218996204U
Application number: CN202221907725.5U
Authority: CN
Inventors: 靳延
Original assignee: Zhejiang Yanguang Education Technology Co ltd
Current assignee: Zhejiang Yanguang Education Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-05-09
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a lever balance experiment device, and belongs to the technical field of experiment equipment. The lever experimental device solves the problems that an existing lever experimental device cannot be disassembled and the like. The lever balance experiment device comprises a flat plate and a support leg frame, wherein a plurality of grooves are formed in two sides of the flat plate, the flat plate frame is arranged on the support leg frame, and the flat plate and the support leg frame are assembled to form a lever. The utility model has the advantages of convenient disassembly and the like.

Description

Lever balance experimental device

Technical Field

The utility model belongs to the technical field of experimental equipment, and particularly relates to a lever balance experimental device.

Background

In the physical experiment course, lever balance experiment teaching is always an important point and a difficult point, three elements of the lever are a resistance point, a fulcrum and a force application point respectively, and when the experiment device is used for demonstration, the relation among the three elements of the lever can be intuitively observed and felt, but the existing lever device is integrated and is inconvenient to carry.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a lever balance experimental device convenient to detach.

The aim of the utility model can be achieved by the following technical scheme: the lever balance experiment device is characterized by comprising a flat plate and support legs, wherein a plurality of grooves are formed in two sides of the flat plate, the flat plate is arranged on the support legs, and the flat plate and the support legs are assembled to form a lever.

The working principle of the utility model is as follows: the flat plate and the support leg support form a lever device together, and when experiments are carried out, a heavy object is placed at one end of the flat plate, and the other end of the flat plate is used for sensing the force change under different force arm states by hands. When the force arm needs to be changed, the support leg rack is placed in the grooves at different positions.

In the lever balance experimental device, the support frame is a triangular column body with a hollow structure.

In the lever balance experimental device, the grooves are triangular.

In the lever balance experimental device, the number of the grooves is 14.

In the lever balance experimental device, cambered surfaces are arranged at two ends of the flat plate.

In the lever balance experiment device, the lever balance experiment device further comprises a support, wherein the support is detachably connected with the flat plate, and one end of the flat plate is supported by the support to enable the flat plate to incline.

In the lever balance experimental device, the two ends of the flat plate are provided with the bolts, and the bolts are used for connecting the brackets.

In the lever balance experimental device, the support comprises two support plates, a plurality of jacks are arranged on the support plates, the jacks are uniformly arranged from one end of the support plates, and the jacks are used for connecting the bolts to fix the flat plate.

In the lever balance experimental device, scale marks are arranged at the jack and used for marking the height gradient.

In the lever balance experimental device, round corners are arranged at two ends of the support plate.

Compared with the prior art, the utility model has the advantage of convenient disassembly.

Drawings

Fig. 1 is a schematic view of the lever structure of the present utility model.

FIG. 2 is a schematic view of the structure of the bevel of the present utility model.

In the figure, 1, a flat plate; 2. a foot rest; 3. a groove; 4. a plug pin; 5. a bracket; 6. a support plate; 7. and a jack.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-2, the lever balance experiment device comprises a flat plate 1 and a support leg frame 2, wherein a plurality of grooves 3 are formed in two sides of the flat plate 1, the flat plate 1 is erected on the support leg frame 2, and the flat plate 1 and the support leg frame 2 are assembled to form a lever.

Further, the support leg frame 2 is a triangular column body with a hollow structure; the triangular design makes the leg rest 2 more stable, can regard as the fulcrum of dull and stereotyped 1 to let dull and stereotyped 1 can the horizontal hunting simultaneously.

Further, the groove 3 is triangular, the triangular groove 3 is matched with the support leg frame 2, and the groove is used for adjusting a lever arm and stabilizing a fulcrum.

Further, the number of the grooves 3 is 14, 7 grooves 3 are respectively arranged on two sides, and the grooves 3 are distributed in a symmetrical structure.

Further, two ends of the flat plate 1 are provided with cambered surfaces.

Further, the device also comprises a bracket 5, wherein the bracket 5 is detachably connected with the flat plate 1, and one end of the flat plate 1 is supported by the bracket 5 so that the flat plate 1 is inclined.

Further, two ends of the flat plate 1 are provided with bolts 4, the bolts 4 are used for connecting the support 5, the lever device is detachable, the lever device further comprises a connectable support 5, and the flat plate 1 is connected with the support 5 to form an inclined plane device.

Further, the bracket 5 comprises two support plates 6, the support plates 6 are provided with insertion holes 7, the insertion holes 7 are uniformly arranged from one end of the support plates 6, and the insertion holes 7 are used for connecting the bolts 4 to fix the flat plate 1.

Further, scale marks are arranged at the jack 7 and used for marking the height gradient; be provided with 4 jack 7 on every extension board 6, have 6 kinds of high gradients can select according to the demand, the scale mark distributes in jack 7 downside, has different scale marks respectively in the positive and negative of extension board 6, can be according to actual demand with the upper end or the lower extreme of extension board 6 connect on dull and stereotyped 1 to obtain different inclined plane height, the scope of scale is 2-17cm.

Further, the two ends of the support plate 6 are provided with round corners.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although a number of terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The lever balance experiment device is characterized by comprising a flat plate (1) and supporting leg frames (2), wherein a plurality of grooves (3) are formed in two sides of the flat plate (1), the flat plate (1) is erected on the supporting leg frames (2), and the flat plate (1) and the supporting leg frames (2) are assembled to form a lever.

2. The lever balance experiment device according to claim 1, wherein the stand bar (2) is a triangular column with a hollow structure.

3. A lever balance testing device according to claim 1, characterized in that the recess (3) is triangular in shape.

4. A lever balance testing device according to claim 1, characterized in that the number of grooves (3) is 14.

5. The lever balance experiment device according to claim 1, wherein cambered surfaces are arranged at two ends of the flat plate (1).

6. The lever balance experiment device according to claim 1, further comprising a bracket (5), wherein the bracket (5) and the plate (1) are detachably connected, and the bracket (5) supports one end of the plate (1) so that the plate (1) is inclined.

7. The lever balance experiment device according to claim 1, wherein the two ends of the flat plate (1) are provided with bolts (4), and the bolts (4) are used for connecting the bracket (5).

8. The lever balance experiment device according to claim 6, wherein the bracket (5) comprises two support plates (6), a plurality of jacks (7) are arranged on the support plates (6), the jacks (7) are uniformly arranged from one end of the support plates (6), and the jacks (7) are used for connecting the bolts (4) to fix the flat plate (1).

9. The lever balance experimental device according to claim 8, wherein the jack (7) is provided with scale marks for identifying the height gradient.

10. The lever balance experiment device according to claim 8, wherein the two ends of the support plate (6) are provided with fillets.