CN210348944U

CN210348944U - Physical mechanics experiment external member

Info

Publication number: CN210348944U
Application number: CN201920888995.8U
Authority: CN
Inventors: 姚闰晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-17
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a physical mechanics experiment external member, including the cell type base, the one end pin joint of cell type base has the fly leaf, the cylinder body is installed to the one end of fly leaf, the inside activity of cylinder body is pegged graft and is had the gangbar, one side of limiting plate is equipped with the spring, the spring housing machine is in the outside of gangbar, the bearing is all installed at the both ends of cell type base, the inside of bearing is pegged graft and is had the screw rod, threaded connection has the nut on the screw rod, the top pin joint of nut has the bracing piece, the upper end pin joint of bracing piece is in the bottom of fly leaf, the other end of fly leaf rotates and installs the leading wheel, first link and second link are installed to one side of cylinder body. The utility model discloses a movable plate pin joint drives the nut through rotating the screw rod and removes in the one end of cell type base to it adjusts the angle of movable plate to drive the bracing piece, and the frictional force that can be used for doing the object is experimental, inertia test, gravity test and assembly pulley are experimental.

Description

Physical mechanics experiment external member

Technical Field

The utility model relates to a physics experiment technical field specifically is a physics mechanics experiment external member.

Background

Experimental physics is a discipline that theoretically explores the fundamental laws of material structure, interactions, and material movement that are unknown in nature, relative to theoretical physics. The research field of theoretical physics relates to particle physics and atomic nucleus physics, statistical physics, condensed state physics, cosmology and the like, and almost comprises the basic theoretical problems of all branches of physics. The experimental physics mainly explores the world of matter and the natural law from the experiment.

The existing physics experiments related to mechanics require a lot of experimental equipment for each experiment in the physics experiments, and students need a lot of time to prepare the experiments, which wastes time. Therefore, a physical mechanics experiment kit is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a physical mechanics experiment external member, the activity board pin joint drives the nut through rotating the screw rod and removes in the one end of cell type base to drive the bracing piece and adjust the angle of fly leaf, can be used for doing the frictional force of object experimental, inertia test, gravity test and assembly pulley are experimental, have saved experimental preparation time, with the problem of the waste time when proposing the preparation experiment in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a physical mechanics experiment external member, includes the cell type base, the one end pin joint of cell type base has the fly leaf, the cylinder body is installed to the one end of fly leaf, the inside activity of cylinder body is pegged graft and is had the gangbar, fixedly connected with limiting plate on the gangbar, one side of limiting plate is equipped with the spring, the spring housing machine is in the outside of gangbar, the bearing is all installed at the both ends of cell type base, the inside of bearing is pegged graft and is had the screw rod, threaded connection has the nut on the screw rod, the top pin joint of nut has the bracing piece, the upper end pin joint of bracing piece is in the bottom of fly leaf, the other end of fly leaf rotates and installs the leading wheel, first link and second link are installed.

Preferably, one end of the linkage rod is fixedly connected with a pull ring.

Preferably, a hand wheel is installed at one end of the screw rod, and a rubber sleeve is sleeved on the hand wheel.

Preferably, the bottom of the groove-shaped base is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid grains.

Preferably, the inner side of the groove-shaped base is fixedly connected with a limiting block.

Preferably, a first movable block, a second movable block, a first hanging ring, a spring chest expander, a tray, weights and a pulley block are placed in the groove-shaped base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the movable plate of the utility model is pinned at one end of the groove-shaped base, and the nut is driven to move by rotating the screw rod, so that the support rod is driven to adjust the angle of the movable plate, and the movable plate can be used for friction force test, inertia test, gravity test and pulley block test of an object, thereby saving the preparation time of the test and improving the learning efficiency;

2. the spring in the cylinder body of the utility model extrudes the linkage rod to impact the first movable block, and the first movable block impacts the second movable block, so that the spring can be used for an inertia test of an object;

3. the utility model is provided with the first hanging ring and the second hanging ring at one side of the cylinder body, when the gravity test is carried out, the movable plate is placed in a horizontal state, the spring chest expander is hung on the first hanging ring, and the rope is tied at one end of the tray and the spring chest expander and is placed on the guide wheel, thereby facilitating the gravity test;

4. when the pulley block test is needed, the movable plate is driven to be in a vertical state by rotating the screw rod, and then the pulley block is hung on the second hanging ring, so that the pulley block test is convenient to carry out.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged structural diagram of a region a in fig. 2.

In the figure: the device comprises a groove-shaped base 1, a movable plate 2, a bearing 3, a screw rod 4, a nut 5, a support rod 6, a cylinder body 7, a linkage rod 8, a limiting plate 9, a spring 10, a first movable block 11, a guide wheel 12, a second movable block 13, a first hanging ring 14, a spring chest expander 15, a tray 16, a weight 17, a pulley block 18, a pull ring 19, a hand wheel 20, a rubber sleeve 21, a rubber pad 22, a limiting block 23 and a second hanging ring 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a physical mechanics experiment kit comprises a groove-shaped base 1, a movable plate 2 is connected to one end of the groove-shaped base 1 in a pin joint mode, a cylinder body 7 is installed at one end of the movable plate 2, a linkage rod 8 is movably inserted in the cylinder body 7, a limiting plate 9 is fixedly connected to the linkage rod 8, a spring 10 is arranged on one side of the limiting plate 9, the spring 10 is sleeved outside the linkage rod 8, bearings 3 are installed at two ends of the groove-shaped base 1, a screw rod 4 is inserted in the bearings 3, a nut 5 is connected to the screw rod 4 in a threaded mode, a supporting rod 6 is connected to the top of the nut 5 in a pin joint mode, the upper end of the supporting rod 6 is connected to the bottom of the movable plate 2 in a pin joint mode, a guide wheel 12 is installed at the other end of the movable plate 2 in a rotating mode, a first hanging ring 14 and a second hanging ring 24 are installed on one side of the cylinder body, is beneficial to keeping the balance of the spring chest expander.

Specifically, one end of the linkage rod 8 is fixedly connected with a pull ring 19. The pull ring 19 is convenient for pulling the linkage rod 8 to impact the first movable block 11 or the second movable block 13.

Specifically, a hand wheel 20 is installed at one end of the screw rod 4, and a rubber sleeve 21 is sleeved on the hand wheel 20. The hand wheel 20 is convenient for rotating the screw rod 4 to drive the nut 5 to move, and the rubber sleeve 21 is beneficial to improving the comfort of the hand.

Specifically, a rubber pad 22 is installed at the bottom of the groove-shaped base 1, and anti-skid grains are arranged at the bottom of the rubber pad 22. This rubber pad 22 is favorable to improving the frictional force of cell type base 1 and laboratory table, improves stability.

Specifically, the inner side of the groove-shaped base 1 is fixedly connected with a limiting block 23. The limiting block 23 is beneficial to limiting the position of the movable plate 2 in the groove-shaped base 1 and keeping the movable plate 2 horizontal.

Specifically, a first movable block 11, a second movable block 13, a first hanging ring 14, a spring chest expander 15, a tray 16, a weight 17 and a pulley block 18 are placed inside the groove-shaped base 1. The first movable block 11, the second movable block 13, the first suspension loop 14, the spring chest expander 15, the tray 16, the weight 17 and the pulley block 18 can meet the requirements of a friction force test, an inertia test, a gravity test and a pulley block test, but the requirements are not limited to only the above-mentioned devices.

The working principle is as follows: when an inertia test is performed, a first movable block 11 and a second movable block 13 are placed on a movable plate 2, then a linkage rod 5 is pulled, a spring 10 in a cylinder body 1 extrudes a linkage rod 8 to impact the first movable block 11, and the first movable block 11 impacts the second movable block 13; during the gravity test, the movable plate 2 is placed in a horizontal state by rotating the screw rod 4, the spring chest expander 15 is hung on the first hanging ring 14, one end of the tray 16 and one end of the spring chest expander 15 are tied by a rope, the rope is placed on the guide wheel 12, and a weight 17 is placed on the tray 16; when the pulley block test is carried out, the movable plate 2 is driven to be in a vertical state by rotating the screw rod 4, then the pulley block 18 is hung on the second hanging ring 24, and the pulley block 8 is assembled, so that various tests can be carried out, and the pulley block test is more convenient to learn and operate.

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

Claims

1. The utility model provides a physical mechanics experiment external member, includes cell type base (1), the one end pin joint of cell type base (1) has fly leaf (2), its characterized in that: a cylinder body (7) is installed at one end of the movable plate (2), a linkage rod (8) is movably inserted in the cylinder body (7), a limiting plate (9) is fixedly connected to the linkage rod (8), a spring (10) is arranged on one side of the limiting plate (9), the spring (10) is sleeved outside the linkage rod (8), bearings (3) are arranged at two ends of the groove-shaped base (1), a screw rod (4) is inserted in the bearing (3), a nut (5) is connected with the screw rod (4) in a threaded manner, the top of the nut (5) is pinned with a support rod (6), the upper end of the support rod (6) is pinned with the bottom of the movable plate (2), the other end of the movable plate (2) is rotatably provided with a guide wheel (12), and one side of the cylinder body (7) is provided with a first hanging ring (14) and a second hanging ring (24).

2. A physical-mechanical experiment kit according to claim 1, wherein: one end of the linkage rod (8) is fixedly connected with a pull ring (19).

3. A physical-mechanical experiment kit according to claim 1, wherein: a hand wheel (20) is installed at one end of the screw rod (4), and a rubber sleeve (21) is sleeved on the hand wheel (20).

4. A physical-mechanical experiment kit according to claim 1, wherein: the anti-skid groove is characterized in that a rubber pad (22) is installed at the bottom of the groove-shaped base (1), and anti-skid grains are arranged at the bottom of the rubber pad (22).

5. A physical-mechanical experiment kit according to claim 1, wherein: and the inner side of the groove-shaped base (1) is fixedly connected with a limiting block (23).

6. A physical-mechanical experiment kit according to claim 1, wherein: a first movable block (11), a second movable block (13), a first hanging ring (14), a spring chest expander (15), a tray (16), weights (17) and a pulley block (18) are placed in the groove-shaped base (1).