CN213277179U

CN213277179U - Electromechanical teaching aid

Info

Publication number: CN213277179U
Application number: CN202022650254.1U
Authority: CN
Inventors: 刘杰
Original assignee: Dongying Chemical School
Current assignee: Dongying Chemical School
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-05-25
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to the technical field of teaching aids, in particular to an electromechanical teaching aid, which comprises a base, a fixed plate, a driving wheel, a first sheave, a second sheave, a frame and supporting legs; the frame is fixedly arranged at the edge of one side of the base; the fixing plate is arranged on the frame in a sliding manner; the driving wheel is rotatably arranged on the fixing plate; the grooved pulley I is matched with the driving wheel and is rotatably arranged on the base; the second grooved wheel is matched with the first grooved wheel to be rotatably arranged on the base; the supporting legs are hinged to the bottom surface of the base. Compared with the prior art, the teaching aid can visually demonstrate the intermittent movement mechanism by reasonably arranging the driving wheel, the first grooved wheel and the second grooved wheel, so that the learning enthusiasm of students is improved, and the learning efficiency is improved. Through the setting of landing leg, make things convenient for the demonstration on the podium. And the setting is simple, and the operation is convenient.

Description

Electromechanical teaching aid

Technical Field

The utility model relates to a teaching aid technical field specifically discloses an electromechanical teaching aid.

Background

In both industrial production and daily life, the application of an intermittent motion mechanism is an important proportion, and the intermittent motion mechanism refers to a mechanism which needs components of some machines to move and stop periodically and can convert the continuous rotation of a driving element into the periodic motion and stop of a driven element.

In the teaching of electromechanical specialty, intermittent motion mechanism is the key of study now, and the mr mostly adopts planar teaching, lacks the demonstration directly perceived for student's participation is low in the teaching, and the enthusiasm is not high, and education efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art, the utility model provides an electromechanical teaching aid, through reasonable action wheel, sheave one and sheave two that set up, intermittent motion mechanism can audio-visual demonstration has improved student's study enthusiasm, has improved learning efficiency. Through the setting of landing leg, make things convenient for the demonstration on the podium. And the setting is simple, and the operation is convenient.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the electromechanical teaching aid of the utility model comprises a base, a fixed plate, a driving wheel, a first grooved wheel, a second grooved wheel, a frame and supporting legs; the frame is fixedly arranged at the edge of one side of the base; the fixing plate is arranged on the frame in a sliding manner; the driving wheel is rotatably arranged on the fixing plate; the grooved pulley I is matched with the driving wheel and is rotatably arranged on the base; the second grooved wheel is matched with the first grooved wheel to be rotatably arranged on the base; the supporting legs are hinged to the bottom surface of the base. The driving wheel, the first grooved wheel and the second grooved wheel are arranged in a matched mode, and the intermittent movement mechanism is arranged. The base is arranged, so that the first grooved wheel and the second grooved wheel can be conveniently arranged. The arrangement of the fixing plate facilitates the arrangement of the driving wheel. The arrangement of the supporting legs facilitates the inclined display of the base on the platform.

Preferably, a dovetail groove is arranged on the frame; the fixed plate is provided with a dovetail platform; the dovetail platform is arranged in the dovetail groove in a matched mode. The dovetail groove and the dovetail platform are arranged, so that the fixing plate is convenient to disassemble and assemble.

Preferably, two groups of hinged seats are arranged on the bottom surface of the base; each group of hinge seats comprises two hinge blocks which are arranged in parallel at a certain interval; a baffle is arranged between the two hinged blocks; the supporting legs are arranged on the hinge blocks through hinge shafts; the lower part of the base is provided with a storage box. The setting of baffle can restrict the rotation of landing leg, has guaranteed the slope demonstration of base on the podium. The setting of storing box can be when the student is hand-operated the dismouting, the part that conveniently places the instrument and pull down.

Preferably, the driving wheel is rotatably arranged on the fixing plate through a first rotating shaft; a first shifting shaft is eccentrically arranged on the driving wheel; the distance between the axis of the first shifting shaft and the axis of the driving wheel is larger than the radius length of the driving wheel, so that the first shifting shaft can shift the first grooved wheel when the driving wheel rotates.

Preferably, the first grooved wheel comprises a second rotating shaft, a disc, a wheel disc and a second dial shaft; the wheel disc is coaxially and fixedly arranged on the disc. The disc and the wheel disc are rotatably arranged on the base through a second rotating shaft; a plurality of radial grooves I are uniformly formed in the wheel disc in a matching manner with the first shifting shaft; the second shifting shaft is eccentrically arranged on the disc; the distance between the two axes of the poking shaft and the axis of the disc is larger than the radius length of the disc. The radial grooves I are uniformly arranged, so that the dial shaft I can be conveniently inserted into different radial grooves I through rotation of the dial shaft I, and intermittent motion of the wheel disc is completed. The wheel disc is coaxially and fixedly arranged on the disc, and the second shifting shaft on the disc can be driven to intermittently rotate to shift the second grooved wheel when the wheel disc moves in a clearance mode.

Preferably, the second sheave comprises a third rotating shaft, a wheel body and a gear; the wheel body and the gear are coaxially arranged on the third rotating shaft through the key bar; the rotating shaft III is rotatably arranged on the base; and a plurality of radial grooves II are uniformly formed in the wheel body in a matching manner with the shifting shaft II. The setting of gear can guide the student to associate follow-up which mechanisms of can also connecting, what motion is accomplished to improve student's participation.

The utility model has the advantages as follows:

in the above scheme, the utility model provides an electromechanical teaching aid, which comprises a base, a fixed plate, a driving wheel, a first sheave, a second sheave, a frame and supporting legs; the frame is fixedly arranged at the edge of one side of the base; the fixing plate is arranged on the frame in a sliding manner; the driving wheel is rotatably arranged on the fixing plate; the grooved pulley I is matched with the driving wheel and is rotatably arranged on the base; the second grooved wheel is matched with the first grooved wheel to be rotatably arranged on the base; the supporting legs are hinged to the bottom surface of the base. Compared with the prior art, the intermittent movement mechanism can be intuitively demonstrated by reasonably arranging the driving wheel, the first grooved wheel and the second grooved wheel, so that the learning enthusiasm of students is improved, and the learning efficiency is improved. Through the setting of landing leg, make things convenient for the demonstration on the podium. And the setting is simple, and the operation is convenient.

Drawings

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

fig. 2 is a schematic back structure diagram of an embodiment of the present invention;

fig. 3 is a schematic structural view of a driving wheel according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first sheave according to an embodiment of the present invention;

description of reference numerals:

1-base, 2-fixing plate, 3-driving wheel, 4-grooved wheel I, 5-grooved wheel II, 6-frame and 7-supporting leg;

101-hinge block, 102-baffle, 103-storage box;

301-first rotating shaft, 302-first shifting shaft;

401, a second rotating shaft, 402, a disc, 403, a wheel disc, 404, a second poking shaft and 405, a first radial groove;

501-rotating shaft three, 502-wheel body, 503-gear, 504-radial groove two;

601-dovetail groove.

Detailed Description

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1-2, an electromechanical teaching aid comprises a base 1, a fixing plate 2, a driving wheel 3, a sheave I4, a sheave II 5, a frame 6 and supporting legs 7; the frame 6 is fixedly arranged at the edge of one side of the base 1; a dovetail groove 601 is arranged on the frame 6; a dovetail platform is arranged on the fixed plate 2; the dovetail platform is arranged in the dovetail groove 601 in a matched mode, so that the fixed plate 2 is arranged on the frame 6 in a sliding mode, and the fixed plate 2 is convenient to disassemble and assemble; the driving wheel 3 is rotatably arranged on the fixed plate 2; the first grooved wheel 4 is matched with the driving wheel 3 and is rotatably arranged on the base 1; the second sheave 5 is matched with the first sheave 4 to be rotatably arranged on the base 1; the lower part of the base 1 is provided with a storage box 103. And the driving wheel 3, the first grooved wheel 4 and the second grooved wheel 5 are arranged in a matched manner, so that the arrangement of the intermittent movement mechanism is completed. The arrangement of the base 1 facilitates the arrangement of the first sheave 4 and the second sheave 5. The arrangement of the fixed plate 2 facilitates the arrangement of the driving wheel 3. The setting of storing box 103 can be when the student is hand-operated the dismouting, the part that conveniently places the instrument and pull down.

Two groups of hinged seats are arranged on the bottom surface of the base 1; each group of hinge seats comprises two hinge blocks 101 which are arranged in parallel at a certain distance; a baffle plate 102 is arranged between the two hinged blocks 101; the supporting legs 7 are arranged on the hinge blocks 101 through hinge shafts; the completion leg 7 is hinged on the bottom surface of the base 1. The arrangement of the supporting legs 7 facilitates the inclined display of the base 1 on the platform. The baffle 102 can limit the rotation of the supporting leg 7, and ensures the inclined demonstration of the base 1 on the platform.

As shown in fig. 1 and 3, the driving wheel 3 is arranged on a first rotating shaft 301 by using a spline, and the first rotating shaft 301 is rotatably arranged on the fixed plate 2; a first shifting shaft 302 is eccentrically arranged on the driving wheel 3; the distance between the axis of the first poking shaft 302 and the axis of the driving wheel 3 is larger than the radius length of the driving wheel 3, so that the first poking shaft 302 can poke the first grooved wheel 4 when the driving wheel 3 rotates.

As shown in fig. 1 and 4, the sheave one 4 comprises a second rotating shaft 401, a disc 402, a wheel disc 403 and a second dialing shaft 404; the wheel disc 403 is coaxially and fixedly disposed on the disc 402. The disc 402 and the wheel disc 403 are rotatably arranged on the base 1 through a second rotating shaft 401; five radial grooves I405 are uniformly formed in the wheel disc 403 in a matching manner with the first shifting shaft 302; the second dial shaft 404 is eccentrically arranged on the disc 402; the distance between the axis of the second dial shaft 404 and the axis of the disc 402 is larger than the length of the radius of the disc 402. The first radial grooves 405 are uniformly arranged, so that the first dial shaft 302 can be conveniently inserted into different first radial grooves 405 to complete the intermittent motion of the wheel disc 403. The wheel disc 403 is coaxially and fixedly arranged on the disc 402, and can drive the second shifting shaft 404 on the disc 402 to intermittently rotate to shift the second sheave 5 when the wheel disc 402 moves in a clearance manner.

In the above arrangement, the second sheave 5 includes a third rotating shaft 501, a wheel body 502 and a gear 503; the wheel body 502 and the gear 503 are coaxially arranged on the third rotating shaft 501 through a spline; the third rotating shaft 501 is rotatably arranged on the base 1; three radial grooves 504 are uniformly formed in the wheel body 502 and matched with the second dial shaft 404. The setting of gear 503 can guide the student and associate follow-up which mechanisms that can also connect, what motion is accomplished to improve student's participation.

When the device is used, the first rotating shaft 301 is rotated to drive the driving wheel 3 to rotate, and the first shifting shaft 302 is inserted into the first different radial grooves 405 every time the first shifting shaft rotates for one circle to drive the first grooved wheel 4 to rotate intermittently; further, the second dial shaft 404 is intermittently inserted into the second different radial groove 504, and drives the gear 503 to intermittently rotate.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electromechanical teaching aid is characterized by comprising a base (1), a fixing plate (2), a driving wheel (3), a first sheave (4), a second sheave (5), a frame (6) and supporting legs (7); the frame (6) is fixedly arranged at the edge of one side of the base (1); the fixing plate (2) is arranged on the frame (6) in a sliding manner; the driving wheel (3) is rotatably arranged on the fixed plate (2); the grooved pulley I (4) is matched with the driving wheel (3) and is rotatably arranged on the base (1); the second grooved wheel (5) is matched with the first grooved wheel (4) to be rotatably arranged on the base (1); the supporting legs (7) are hinged to the bottom surface of the base (1).

2. The electromechanical teaching aid according to claim 1, characterized in that a dovetail groove (601) is provided on the frame (6); the fixed plate (2) is provided with a dovetail platform; the dovetail platform is arranged in the dovetail groove (601) in a matched mode.

3. An electromechanical teaching aid according to claim 1, characterized in that two sets of hinged seats are provided on the bottom surface of the base (1); each group of the hinge seats comprises two hinge blocks (101) which are arranged in parallel at a certain distance; a baffle plate (102) is arranged between the two hinged blocks (101); the supporting legs (7) are arranged on the hinge blocks (101) through hinge shafts; the lower part of the base (1) is provided with a storage box (103).

4. The electromechanical teaching aid according to claim 1, wherein the driving wheel (3) is rotatably arranged on the fixing plate (2) through a first rotating shaft (301); a first shifting shaft (302) is eccentrically arranged on the driving wheel (3); the distance between the axis of the first poking shaft (302) and the axis of the driving wheel (3) is greater than the length of the radius of the driving wheel (3).

5. The electromechanical teaching aid of claim 1, wherein the sheave one (4) comprises a second rotating shaft (401), a disc (402), a disc (403) and a second dialing shaft (404); the wheel disc (403) is coaxially and fixedly arranged on the disc (402); the disc (402) and the wheel disc (403) are rotatably arranged on the base (1) through a second rotating shaft (401); a plurality of radial grooves I (405) are uniformly formed in the wheel disc (403) in a matching manner with the shifting shaft I (302); the second dial shaft (404) is eccentrically arranged on the disc (402); the distance between the axis of the second poking shaft (404) and the axis of the disc (402) is larger than the length of the radius of the disc (402).

6. The electromechanical teaching aid of claim 1, wherein the sheave two (5) comprises a rotating shaft three (501), a wheel body (502) and a gear (503); the wheel body (502) and the gear (503) are coaxially arranged on the rotating shaft III (501) through a key bar; the rotating shaft III (501) is rotatably arranged on the base (1); and a plurality of radial grooves II (504) are uniformly formed in the wheel body (502) in a matching manner with the poking shaft II (404).