CN213483202U - Hand-operated hoisting teaching aid for physical experiment - Google Patents

Abstract

The utility model relates to a hand jack-up teaching aid for physical experiment belongs to teaching aid technical field. Including the base, install in vertical support on the base, install in horizontal beam on the vertical support, install in hand gyro wheel on the horizontal beam, the bottom of base is provided with the bottom recess, be provided with in the recess of bottom and insert the boss, it is provided with the base patchhole to insert in the boss, vertical support includes that the support inserts the board, the upper surface that the board was inserted to the support is provided with the vertical support board that is trapezium structure, vertical support board's top is provided with connecting groove. The utility model discloses an useful part is: with base, vertical support and horizontal beam and hand gyro wheel equipment together, thereby rotate hand gyro wheel through the handle and drive jack-up thing and go up and down to make the student can realize the length of the arm of force through the handle that uses different positions to the effect of the power, help student's study, the utility model discloses novel structure, convenient operation.

Description

Hand-operated hoisting teaching aid for physical experiment

The technical field is as follows:

the utility model relates to a hand jack-up teaching aid for physical experiment belongs to teaching aid technical field.

Background art:

the teaching aid is a material object for propagating science and technology and educating people, is a complete scientific and technological medium, and is an indispensable device in teenager scientific and technological activities. Teaching aids used in scientific and technological activities include real object teaching aids and replica teaching aids. In particular, specimens or samples from nature: such as biological samples, mineral samples, fossil, rock and rare animal samples, etc. used in scientific and technical education activities. Also copies and models of specimens: some samples are precious (such as Beijing apen skull fossils) and are not suitable for being spread everywhere, so people make various imitations and models for spreading scientific and technical information. Also, the model can be used for human anatomy models, aeronautical, maritime and vehicular models, and the like. The teaching aid can also be divided into two types for demonstration and practice operation.

Physics is an experiment-based subject, in order to let students understand various physical phenomena visually, various teaching aids can be made in the physics subject, students can understand various physical phenomena more visually through these teaching aids, in the mechanics part of physics, the knowledge that whether the length that needs student study arm of force influences the promotion object, and utilize the formula to calculate relevant data, but to the student of low-grade, theoretical knowledge is not well understood, if can pass through the teaching aid, let the student actually carry out actual perception, so can let student better understanding, lack corresponding teaching aid in the current trade, to above-mentioned problem, need a hand jack-up teaching aid for physics experiment of a novel structure in the trade, in order to solve the problem that faces in the trade.

The invention content is as follows:

the utility model discloses the technical problem that will solve is: the utility model provides a hand jack-up teaching aid for physical experiment to solve the problem that faces in the trade.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a hand jack-up teaching aid for physics experiment, include the base, install in vertical support on the base, install in horizontal beam on the vertical support, install in hand gyro wheel on the horizontal beam, the base is the rectangle structure, the bottom of base is provided with the bottom recess, be provided with in the bottom recess and insert the boss, it is provided with the base patchhole in the boss to insert, vertical support includes that the support inserts the board, the upper surface that the board was inserted to the support is provided with the vertical support board that is the trapezium structure, vertical support board's top is provided with coupling groove, still be provided with first connecting hole in the vertical support board.

Preferably, an insertion groove is formed in the left side of the horizontal cross beam, a second connection hole is further formed above the insertion groove, the first connection hole and the second connection hole are coaxial, the insertion groove is inserted into the connection groove, a lightening hole is further formed in the horizontal cross beam, and a roller mounting hole is formed in the right side of the horizontal cross beam.

As preferred, hand gyro wheel is including the roller board that is circular structure, the side of roller board is provided with the gyro wheel recess, the front of roller board still is provided with the gyro wheel connecting hole, the front edge of roller board is provided with the arm of force board that is the rectangle structure, be provided with a plurality of handles on the arm of force board, still be provided with the rope fixed orifices on the roller board.

Preferably, the number of said handles is at least three.

Preferably, a hoisting connecting line is arranged in the roller groove, and a hoisting object to be hoisted is arranged at the bottom of the hoisting connecting line.

Preferably, the hand-cranking roller and the horizontal beam are connected together through a bolt.

Compared with the prior art, the utility model discloses an useful part is: with base, vertical support and horizontal beam and hand gyro wheel equipment together, thereby rotate hand gyro wheel through the handle and drive jack-up thing and go up and down to make the student can realize the length of the arm of force through the handle that uses different positions to the effect of the power, help student's study, the utility model discloses novel structure, convenient operation.

Description of the drawings:

the present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a front view of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a top view of the base.

Fig. 4 is a bottom view of the base.

Fig. 5 is a schematic structural view of the vertical stand.

Fig. 6 is a schematic structural view of a horizontal beam.

Fig. 7 is a schematic structural view of the hand-cranking roller.

In the figure: a base 1; a bottom groove 101; an insertion boss 102; a base insertion hole 103; a vertical support 2; a bracket insertion plate 201; a vertical support plate 202; a connection groove 203; a first connection hole 204; a horizontal cross member 3; an insertion slot 301; a second connection hole 302; a lightening hole 303; roller mounting holes 304; a hand-operated roller 4; a roller plate 401; a roller groove 402; a roller connection hole 403; a force arm plate 404; a handle 405; a cord securing hole 406; a hoisting connecting line 5; and a weight 6.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

according to the hand jack-up teaching aid for physics experiments that fig. 1 to 5 show, including base 1, install in vertical support 2 on the base 1, install in horizontal beam 3 on the vertical support 2, install in hand gyro wheel 4 on the horizontal beam 3, base 1 is the rectangle structure, the bottom of base 1 is provided with bottom recess 101, be provided with in the bottom recess 101 and insert boss 102, be provided with base patchhole 103 in inserting boss 102, vertical support 2 includes that the support inserts board 201, the upper surface that the support inserted board 201 is provided with the vertical support board 202 that is the trapezium structure, the top of vertical support board 202 is provided with connecting groove 203, still be provided with first connecting hole 204 on the vertical support board 202.

As shown in fig. 6, an insertion groove 301 is provided on the left side of the horizontal beam 3, a second connection hole 302 is further provided above the insertion groove 301, the first connection hole 204 and the second connection hole 302 are coaxial, the insertion groove 301 is inserted into the connection groove 203, a lightening hole 303 is further provided on the horizontal beam 3, and a roller mounting hole 304 is provided on the right side of the horizontal beam 3.

As shown in fig. 7, in order to realize the lifting of the lifting weight 6, further, the hand-operated roller 4 includes a roller plate 401 having a circular structure, a roller groove 402 is formed on a side edge of the roller plate 401, a roller connection hole 403 is further formed in the front surface of the roller plate 401, a force arm plate 404 having a rectangular structure is arranged on an edge of the front surface of the roller plate 401, and a plurality of handles 405 are arranged on the force arm plate 404.

In order to conveniently fix the rope, a rope fixing hole 406 is further formed in the roller plate 401.

In order to sense the force of the long and short moment arm, the number of the handles 405 is at least three.

For experimental purposes, a hoisting connection line 5 is further arranged in the roller groove 402, and a hoisting object 6 to be hoisted is arranged at the bottom of the hoisting connection line 5.

In order to be able to connect to each other, further, the hand-cranking roller 4 and the horizontal beam 3 are connected together by a bolt.

When mounting, the base 1 is first placed to a set position, and then the bracket insertion plate 201 of the vertical bracket 2 is inserted into the base insertion hole 103, the insertion groove 301 of the horizontal beam 3 is inserted into the connection groove 203, the first connection hole 204 is coaxial with the second connection hole 302, a screw is inserted through the first connection hole 204 and the second connection hole 302, thereby improving the stability of the horizontal beam 3 and the vertical bracket 2, coaxially placing the roller connecting hole 403 of the hand-cranking roller 4 and the roller mounting hole 304, penetrating a screw through the roller connecting hole 403 and the roller mounting hole 304, thereby connecting the hand-cranking roller 4 and the horizontal beam 3, inserting one end of the hoisting connection line 5 into the rope fixing hole 406, the hoisting connection line 5 is then wound in said roller groove 402, one end of the hoisting connection line 5 being connected to a hoisting weight 6.

During the use, rotate hand gyro wheel 4 through handle 405, hand gyro wheel 4 can drive through jack-up connecting wire 5 and play heavy object 6 and go up and down at the pivoted in-process, can use different handle 405, the handle 405 of different positions will produce the moment of different length, the student can realize the influence that the moment of different length rises heavy object 6 and goes up and down in operation process in person to make the student have more clear understanding to moment and power.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a hand jack-up teaching aid for physical experiment which characterized in that: including base (1), install in vertical support (2) on base (1), install in horizontal beam (3) on vertical support (2), install in hand gyro wheel (4) on horizontal beam (3), base (1) is the rectangle structure, the bottom of base (1) is provided with bottom recess (101), be provided with in bottom recess (101) and insert boss (102), be provided with base patchhole (103) in inserting boss (102), vertical support (2) insert board (201) including the support, the upper surface that the support inserted board (201) is provided with vertical support board (202) that are the trapezium structure, the top of vertical support board (202) is provided with connecting groove (203), still be provided with first connecting hole (204) on vertical support board (202).

2. The hand-cranking hoisting teaching aid for physical experiments as claimed in claim 1, which is characterized in that: an insertion groove (301) is formed in the left side of the horizontal cross beam (3), a second connecting hole (302) is further formed above the insertion groove (301), the first connecting hole (204) and the second connecting hole (302) are coaxial, the insertion groove (301) is inserted into the connecting groove (203), lightening holes (303) are further formed in the horizontal cross beam (3), and roller mounting holes (304) are formed in the right side of the horizontal cross beam (3).

3. The hand-cranking hoisting teaching aid for physical experiments as claimed in claim 1, which is characterized in that: hand gyro wheel (4) are including roller board (401) that are circular structure, the side of roller board (401) is provided with gyro wheel recess (402), the front of roller board (401) still is provided with gyro wheel connecting hole (403), the front edge of roller board (401) is provided with arm of force board (404) that are the rectangle structure, be provided with a plurality of handles (405) on arm of force board (404), still be provided with rope fixed orifices (406) in roller board (401).

4. A hand jack-up teaching aid for physical experiment according to claim 3, characterized in that: the number of the handles (405) is at least three.

5. A hand jack-up teaching aid for physical experiment according to claim 3, characterized in that: a hoisting connecting line (5) is arranged in the roller groove (402), and a hoisting object (6) to be hoisted is arranged at the bottom of the hoisting connecting line (5).

6. The hand-cranking hoisting teaching aid for physical experiments as claimed in claim 1, which is characterized in that: the hand-cranking roller (4) and the horizontal beam (3) are connected together through a bolt.

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