CN211455010U

CN211455010U - Auxiliary device for education and teaching

Info

Publication number: CN211455010U
Application number: CN202020285550.3U
Authority: CN
Inventors: 赵丽; 余波; 邱恕洁
Original assignee: Chengdu Normal University
Current assignee: Chengdu Normal University
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-09-08
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses an auxiliary device for education and teaching, which comprises a box body, wherein a first chute is arranged inside the box body, a first sliding block is arranged in the first sliding groove, one side of the first sliding block, which is far away from the first sliding groove, is fixedly connected with a cylinder body, a stop lever is fixedly connected with one side in the cylinder body, a rotating shaft is fixedly connected with one side of the cylinder body close to the stop lever, one side of the box body close to the rotating shaft is fixedly connected with a bearing, one end of the rotating shaft far away from the cylinder body penetrates through the box body and is fixedly connected with a rotating disc, the utility model avoids using a motor by arranging a rotating rod, the rotating disc and a rectangular groove, thereby reach energy-concerving and environment-protective effect, thereby can select fast rotation and slow rotation dwang to drive the barrel as required and rotate and make stirring efficiency higher, the device easy operation, excellent in use effect, work efficiency is high.

Description

Auxiliary device for education and teaching

Technical Field

The utility model relates to a probability teaching field especially relates to an auxiliary device is used in education and teaching.

Background

Probability is a concept defined by a rule of occurrence of random events, and in high-class mathematics of universities, teachers giving lessons often perform practical probability demonstration experiments to enable students to learn knowledge in the aspect of probability more intuitively, wherein the most common experiment is a coin throwing experiment, namely, the probability that the front face and the back face of a coin are counted to be one half after coins are thrown for multiple times.

Therefore, teachers need to demonstrate coin throwing, but at present, teachers mainly throw coins manually, and because the coin throwing example is high in using probability, teachers need to demonstrate for multiple times, and therefore physical strength of teachers is consumed; because the throwing times are more, the factors such as the throwing strength and the like at each time can not be mastered through manual throwing are the same, so that the demonstration result lacks of confidence, the thrown coins need to be picked up and then thrown out at each time, time and labor are wasted, and the auxiliary device for education and teaching is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an auxiliary device for education and teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an auxiliary device for education and teaching comprises a box body, wherein a first sliding groove is formed in the box body, a first sliding block is arranged in the first sliding groove, a barrel body is fixedly connected to one side, away from the first sliding groove, of the first sliding block, a stop rod is fixedly connected to one side in the barrel body, a rotating shaft is fixedly connected to one side, close to the stop rod, of the barrel body, a bearing is fixedly connected to one side, close to the rotating shaft, of the box body, one end, away from the barrel body, of the rotating shaft penetrates through the box body and is fixedly connected with a rotating disc, a rectangular groove is formed in one side, away from the rotating shaft, of the rotating disc, a rotating rod is hinged to one side, located at the bottom of the rectangular groove, of the box body is fixedly connected with a bottom plate, a circular groove is formed in the middle of the bottom plate, a drawer, the inside second slider that is provided with of second spout, the one side fixedly connected with drawer that the second spout was kept away from to the second slider, dark handle has been seted up to drawer one side.

As a further description of the above technical solution:

the inside cylinder type that is of box, the quantity of pin is a plurality of, and evenly distributed is in inside one side of barrel, the quantity of first spout is a plurality of, and evenly distributed is inside the box, the quantity of first slider is a plurality of, and evenly you distribute in all sides of barrel, the quantity of second spout is two, and evenly distributed is close to one side of drawer tank bottom at the bottom plate, the quantity of second slider is a plurality of, and evenly distributed is in the bottom of drawer.

As a further description of the above technical solution:

the box body, the rotating disc and the rotating rod are made of wood materials.

As a further description of the above technical solution:

the diameter of the round groove is equal to that of the cylinder, and the round groove and the cylinder are located on the same straight line.

As a further description of the above technical solution:

the bearing is positioned in the central part of one side of the box body, and the inner side of the bearing is fixedly connected to the middle part of the rotating shaft.

As a further description of the above technical solution:

the drawer is two centimeters in depth, is made of wood materials, is located in the center of one side of the drawer and is rectangular in side view.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the pin for in the course of the work the coin drops the one side that the barrel is close to ground because of earth gravity through the pin, thereby can be with coin intensive mixing, make the experimental effect have more with the force of confidence, and the setting up of drawer makes convenient and fast more when putting into and taking out the coin, thereby greatly increased work efficiency improves experimental efficiency, save time.

2. The utility model discloses a set up dwang and rolling disc, rectangular channel, avoid using the motor to reach energy-concerving and environment-protective effect, thereby can select fast rotation and slow speed to rotate the dwang as required and drive the barrel and rotate and make stirring efficiency higher, the device easy operation, excellent in use effect, work efficiency is high.

Drawings

Fig. 1 is a side view of an educational and teaching aid according to the present invention;

FIG. 2 is a sectional view of a case of the auxiliary device for education and teaching according to the present invention;

FIG. 3 is a top view of the bottom plate and the drawer of the auxiliary device for education and teaching provided by the present invention;

fig. 4 is the utility model provides a side view of rotary disk in auxiliary device for education and teaching.

Illustration of the drawings:

1. a box body; 2. a barrel; 3. rotating the disc; 4. a rotating shaft; 5. a bearing; 6. a rectangular groove; 7. rotating the rod; 8. a first chute; 9. a stop lever; 10. a first slider; 11. a second slider; 12. a base plate; 13. A second chute; 14. a hidden handle; 15. a drawer; 16. a round groove; 17. a drawer groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an auxiliary device for education and teaching comprises a box body 1, a first sliding groove 8 is arranged in the box body 1, a first sliding block 10 is arranged in the first sliding groove 8, one side of the first sliding block 10, which is far away from the first sliding groove 8, is fixedly connected with a barrel body 2, one side of the interior of the barrel body 2 is fixedly connected with a stop lever 9, one side of the barrel body 2, which is close to the stop lever 9, is fixedly connected with a rotating shaft 4, one side of the box body 1, which is close to the rotating shaft 4, is fixedly connected with a bearing 5, one end, which is far away from the barrel body 2, of the rotating shaft 4 penetrates through the box body 1 and is fixedly connected with a rotating disc 3, one side, which is far away from the rotating shaft 4, of the rotating disc 3 is provided with a rectangular groove 6, one side, which is located at the bottom of the rectangular groove 6, one side of the bottom plate 12, which is located at the bottom of the drawer groove 17, is provided with a second sliding groove 13, a second sliding block 11 is arranged inside the second sliding groove 13, one side of the second sliding block 11, which is far away from the second sliding groove 13, is fixedly connected with a drawer 15, and one side of the drawer 15 is provided with a hidden handle 14.

The inside cylinder type that is of box 1, the quantity of pin 9 is a plurality of, and evenly distributed is in barrel 2's inside one side, the quantity of first spout 8 is a plurality of, and evenly distributed is inside box 1, the quantity of first slider 10 is a plurality of, and even you distribute in barrel 2's week side, the quantity of second spout 13 is two, and evenly distributed is close to one side of drawer groove 17 bottom at bottom plate 12, the quantity of second slider 11 is a plurality of, and evenly distributed is in drawer 15's bottom. The box body 1, the rotating disc 3 and the rotating rod 7 are all made of wood materials. The diameter of the round groove 16 is equal to that of the barrel body 2, so that coins can be placed and taken out better, and the round groove 16 and the barrel body 2 are located on the same straight line. The bearing 5 is located at the center portion of one side of the case 1, and the inner side of the bearing 5 is fixedly connected to the middle portion of the rotating shaft 4. The drawer 15 is two centimeters deep, which is beneficial for placing more coins and preventing the coins from standing upright, the drawer 15 is made of wood, the hidden handle 14 is arranged at the central part of one side of the drawer 15, and the side view of the hidden handle 14 is rectangular.

The working principle is as follows: put into drawer 15 with the coin in and impel drawer 15 in the drawer groove 17 and upset box 1, at this moment rock box 1 and make the coin in drawer 15 get into the bottom of barrel 2, at this moment place box 1 on horizontal desktop, at this moment rotate dwang 7 and make dwang 7 drive rolling disc 3 and rotate with axis of rotation 4 and drive barrel 2 and pin 9 and rotate, thereby the coin drops on pin 9 because of gravity in barrel 2 and obtains the stirring, treat to place 1 vertical box after the stirring, make bottom plate 12 be located the bottom, at this moment rock box 1 make the coin get into in drawer 15 and take out can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an auxiliary device for education and teaching, includes box (1), its characterized in that: a first sliding groove (8) is formed in the box body (1), a first sliding block (10) is arranged in the first sliding groove (8), a barrel body (2) is fixedly connected to one side, away from the first sliding groove (8), of the first sliding block (10), a stop lever (9) is fixedly connected to one side of the interior of the barrel body (2), a rotating shaft (4) is fixedly connected to one side, close to the stop lever (9), of the barrel body (2), a bearing (5) is fixedly connected to one side, close to the rotating shaft (4), of the box body (1), one end, away from the barrel body (2), of the rotating shaft (4) penetrates through the box body (1) and is fixedly connected with a rotating disc (3), a rectangular groove (6) is formed in one side, away from the rotating shaft (4), of the rotating disc (3) is connected with a rotating rod (7) through a hinge, one side, located at the bottom of the rectangular groove (6), of the box body (, round groove (16) have been seted up at bottom plate (12) middle part, drawer groove (17) have been seted up to one side that bottom plate (12) are close to round groove (16), second spout (13) have been seted up to one side that bottom plate (12) are located drawer groove (17) bottom, second spout (13) inside is provided with second slider (11), one side fixedly connected with drawer (15) of second spout (13) are kept away from in second slider (11), dark handle (14) have been seted up to drawer (15) one side.

2. An aid for educational teaching according to claim 1, wherein: the inside cylinder type that is of box (1), the quantity of pin (9) is a plurality of, and evenly distributed is in inside one side of barrel (2), the quantity of first spout (8) is a plurality of, and evenly distributed is inside box (1), the quantity of first slider (10) is a plurality of, and even you distribute in all sides of barrel (2), the quantity of second spout (13) is two, and evenly distributed is close to one side of drawer groove (17) bottom at bottom plate (12), the quantity of second slider (11) is a plurality of, and evenly distributed is in the bottom of drawer (15).

3. An aid for educational teaching according to claim 1, wherein: the box body (1), the rotating disc (3) and the rotating rod (7) are made of wood materials.

4. An aid for educational teaching according to claim 1, wherein: the diameter of the round groove (16) is equal to that of the cylinder body (2), and the round groove (16) and the cylinder body (2) are located on the same straight line.

5. An aid for educational teaching according to claim 1, wherein: the bearing (5) is positioned at the central part of one side of the box body (1), and the inner side of the bearing (5) is fixedly connected to the middle part of the rotating shaft (4).

6. An aid for educational teaching according to claim 1, wherein: the drawer (15) is two centimeters deep, the drawer (15) is made of wood, the hidden handle (14) is located in the center of one side of the drawer (15), and the side view of the hidden handle (14) is rectangular.