CN113035048A

CN113035048A - Simple and convenient calculation teaching aid of finance and science and technology

Info

Publication number: CN113035048A
Application number: CN202110275141.4A
Authority: CN
Inventors: 陈碎海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-06-25

Abstract

The invention discloses a simple and convenient calculation teaching aid for financial science and technology, which comprises a box body, wherein a containing groove is formed in the top end of the box body, a calculation mechanism is installed on one side inside the containing groove, a lower cover plate is hinged to the top end of the box body through a hinge, a limiting seat is installed at the top of the back surface of the lower cover plate, a rotating clamping seat is arranged at the bottom of the limiting seat, a supporting rod is clamped inside the rotating clamping seat, a supporting plate is arranged on one side of an opening in the top end of the containing groove, a groove is formed in the surface of the top end of the supporting plate, first magnetic stripes are clamped and embedded in the left side and the right side of the back surface of the lower cover plate, first. The cover plates are opened after being turned over and erected, the height of the position adjusting box can be adjusted, the economic curves of different time periods can be simulated by matching with the line belts, and the economic curves of different time periods are respectively represented in the two cover plates, so that students can understand economic changes more clearly and intuitively, and teachers can teach more conveniently.

Description

Simple and convenient calculation teaching aid of finance and science and technology

Technical Field

The invention relates to the field of teaching tools, in particular to a simple and convenient financial science and technology calculation teaching aid.

Background

The essence of finance is value circulation. There are many types of financial products, including banks, securities, insurance, trust, and the like. Finance is involved in a wide range of academic fields, including accounting, finance, investments, banking, securities, insurance, trust, and so on. Financial mathematics is also called measurement finance science, mathematics finance science, is a applied mathematics who establishes for financial market specially, and financial mathematics needs the teaching aid to carry out the auxiliary teaching when teaching. In the related art, chinese patent publication No. CN210804806U discloses a simple and convenient calculation teaching aid for financial technology, which reduces the work content of the staff and indirectly improves the work efficiency of the staff by using the host and the writing board in cooperation. However, the whole volume of the teaching aid is too large and inconvenient to transfer, the classroom needs to be changed frequently in the middle of a class in a university, the teacher is inconvenient to carry, the teaching aid can only be limited to a certain fixed classroom, information such as change trend and law of data is displayed without a chart, the student cannot understand the teaching aid well, and the teaching aid is difficult to teach at the same time.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a simple and convenient financial science and technology calculation teaching aid.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a simple and convenient financial and scientific calculation teaching aid, which comprises a box body, wherein the top end of the box body is provided with a containing groove, a calculation mechanism is arranged on one side inside the containing groove, an extraction handle is movably arranged on the outer side of the box body, a limiting clamping block is arranged on the back surface of the box body and is positioned at the bottom end of the extraction handle, the top end of the box body is hinged with a lower cover plate through a hinge, a limiting seat is arranged on the top of the back surface of the lower cover plate, a rotating clamping seat is arranged at the bottom of the limiting seat, a supporting rod is clamped inside the rotating clamping seat, a supporting plate is arranged on one side of an opening at the top end of the containing groove, a groove is formed in the surface of the top end of the supporting plate, first magnetic stripes are respectively clamped and embedded on the left side and the right side of the back surface, a second magnetic strip is embedded on the inner surface of one side of the lower cover plate, which is originally away from the hinge, a second iron strip is embedded on the inner surface of one side of the upper cover plate, which is originally away from the hinge, the inner surfaces of the lower cover plate and the upper cover plate are both provided with display grooves, the interior of each display groove is evenly and equally provided with a plurality of vertical sliding grooves, the inner wall of the vertical sliding groove is provided with a third iron bar, a sliding block is embedded in the vertical sliding groove in a sliding and clamping manner, a third magnet is embedded in the sliding block in a clamping way, the outer side of the sliding block is connected with a position adjusting box, a disc spring is arranged at the center of the interior of the position adjusting box, the outer end of the disc spring is coiled with a wire belt, a wire outlet is arranged on the surface of one side of the position adjusting box, a circular ring is arranged on the surface of the other side of the position adjusting box, the terminal of the line belt is connected with a hook which is connected with the circular ring.

As a preferred technical scheme of the invention, the outside of the computing mechanism is provided with a display screen, a control button, a USB jack, a power jack, a disk drive, a sound hole and a heat dissipation hole, and the inside of the computing mechanism is provided with a computing host and a storage battery.

As a preferable technical solution of the present invention, a fourth magnet is installed on a side surface of the lower cover plate close to the hinge, and a fifth magnet is installed on a side surface of the upper cover plate close to the hinge, and surface magnetic poles of the fifth magnet and the fourth magnet are opposite.

As a preferred technical scheme of the present invention, a whiteboard is installed on the surface of the positioning box, a pen slot is formed in the bottom of the inner side surface of the lower cover plate, a whiteboard pen is placed in the pen slot, a box slot is formed in the bottom of the inner side surface of the upper cover plate, and a whiteboard eraser is placed in the box slot.

As a preferred technical scheme of the invention, the edge of the pen slot is provided with a rubber anti-falling sheet for blocking the whiteboard pen, and the edge of the box slot is provided with a rubber anti-falling sheet for blocking the whiteboard eraser.

Compared with the prior art, the invention has the following beneficial effects:

the invention can place the books and other tools used for teaching of teachers in class in the containing groove, and only needs to carry the box body to give class, the teaching aid can be lifted by the extraction handle, the whole body is convenient to carry, the cover plates are turned and opened after standing, the height of the position adjusting box can be adjusted, the economic curves of different time periods can be simulated by matching with the line belts, the economic curves of different time periods are respectively shown in the two cover plates, students can understand the economic changes more clearly and intuitively, and meanwhile, the teaching of teachers is more convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the invention shown in FIG. 1 after opening;

FIG. 3 is a schematic view of the upper and lower cover structures of the present invention;

FIG. 4 is a schematic view of the positioning box of the present invention;

FIG. 5 is a schematic longitudinal cross-sectional view of the lower deck of the present invention;

FIG. 6 is a schematic view of the internal structure of the positioning box of the present invention;

FIG. 7 is a rear view of FIG. 1 of the present invention;

FIG. 8 is a schematic side view of the upper and lower cover plates of the present invention when they are closed;

in the figure: 1. a box body; 2. a containing groove; 3. a computing mechanism; 4. extracting a handle; 5. a limiting clamping block; 6. a lower cover plate; 7. a limiting seat; 8. rotating the clamping seat; 9. a support bar; 10. a support plate; 11. a groove; 12. a first magnetic stripe; 13. a first iron bar; 14. a second magnetic stripe; 15. a second iron bar; 16. a display slot; 17. a vertical chute; 18. a third iron bar; 19. a slider; 20. a third magnet; 21. a position adjusting box; 22. a disc spring; 23. a tape; 24. an outlet; 25. a circular ring; 26. hooking; 27. an upper cover plate; 28. a fourth magnet; 29. a fifth magnet; 30. a white board; 31. a pen slot; 32. a whiteboard marker; 33. a box groove; 34. a white board eraser.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1

As shown in figures 1-8, the invention provides a simple and convenient financial and scientific calculation teaching aid, which comprises a box body 1, wherein a containing groove 2 is arranged at the top end of the box body 1, a calculation mechanism 3 is arranged at one side inside the containing groove 2, an extraction handle 4 is movably arranged at the outer side of the box body 1, a limiting clamping block 5 is arranged at the back surface of the box body 1, the limiting clamping block 5 is positioned at the bottom end of the extraction handle 4, a lower cover plate 6 is hinged at the top end of the box body 1 through a hinge, a limiting seat 7 is arranged at the top part of the back surface of the lower cover plate 6, a rotating clamping seat 8 is arranged at the bottom part of the limiting seat 7, a supporting rod 9 is clamped inside the rotating clamping seat 8, a supporting plate 10 is arranged at one side of an opening at the top end of the containing groove 2, a groove 11 is formed in the surface at the top end of the supporting plate 10, first magnetic stripes 12 are respectively clamped and, the inner surface of one side of the lower cover plate 6 originally separated from the hinge is embedded with a second magnetic strip 14, the inner surface of one side of the upper cover plate 27 originally separated from the hinge is embedded with a second iron strip 15, the inner surfaces of the lower cover plate 6 and the upper cover plate 27 are both provided with display grooves 16, the inside of each display groove 16 is evenly and equally divided with a plurality of vertical sliding grooves 17, the inner wall of each vertical sliding groove 17 is provided with a third iron strip 18, the inside of each vertical sliding groove 17 is embedded with a sliding block 19, the inside of each sliding block 19 is embedded with a third magnet 20, the outer side of each sliding block 19 is connected with a position adjusting box 21, a disc spring 22 is installed in the center of the inside of each position adjusting box 21, the outer end of each disc spring 22 is wound with a wire belt 23, the surface of one side of each position adjusting box 21 is provided with a wire outlet 24, the surface of the other side of each position adjusting box 21 is provided with a circular ring 25, each wire belt 23.

Further, the outside of the computing mechanism 3 is provided with a display screen, a control button, a USB jack, a power jack, a disk drive, a sound hole and a heat dissipation hole, and the inside of the computing mechanism 3 is provided with a computing host and a storage battery.

The lower cover plate 6 is provided with a fourth magnet 28 on the side surface close to the hinge, and the upper cover plate 27 is provided with a fifth magnet 29 on the side surface close to the hinge, wherein the fifth magnet 29 has the opposite surface magnetic pole to the fourth magnet 28.

The whiteboard 30 is arranged on the surface of the positioning box 21, a pen groove 31 is formed in the bottom of the inner side surface of the lower cover plate 6, a whiteboard pen 32 is placed in the pen groove 31, a box groove 33 is formed in the bottom of the inner side surface of the upper cover plate 27, and a whiteboard eraser 34 is placed in the box groove 33.

The edge of the pen groove 31 is provided with a rubber anti-falling sheet for blocking the white board pen 32, and the edge of the box groove 33 is provided with a rubber anti-falling sheet for blocking the white board eraser 34, so that the white board pen 32 and the white board eraser 34 can be prevented from falling from the groove.

Specifically, the box body 1 is turned upwards by the extraction handle 4, so that the box body is convenient to carry, the containing groove 2 in the box body 1 can be used for placing books and the like needed by teachers to use in class, the box body 1 is placed on a desk after arriving at a classroom, the extraction handle 4 is turned over and placed on the limiting clamping block 5, the lower cover plate 6 is opened outwards, the first magnet 12 is separated from the first iron bar 13, the support rod 9 is separated from the limiting seat 7, the lower cover plate 9 is turned downwards by rotating the clamping seat 8, the bottom end of the support rod 9 is clamped and embedded in the groove 11 of the support plate 10, so that the lower cover plate 6 is fixedly supported, the upper cover plate 27 and the lower cover plate 6 are opened, the second iron bar 14 is separated from the second iron bar 15, and after the upper cover plate 27 is opened, the fourth magnet 28 on the side of the upper cover plate 27 and the fifth magnet 29 on the side of the lower cover plate 27 attract each other, so that the upper cover plate, the teacher can calculate data through the calculation mechanism 3, the calculation mechanism 3 is powered through an internal storage battery, the control buttons input numbers, the result is displayed through a display screen after the calculation of the calculation host, the calculation host is not much stated in the prior art, the teacher can take out the white board pen 32 from the pen slot 31 after reading the values, the values are written on the surface of the white board 30 of the positioning box 21, the white board eraser 34 can be taken out from the box slot 33 to erase the fonts on the white board 30, the positioning box 21 slides up and down in the vertical sliding slot 17 through the sliding block 19 to adjust the height, meanwhile, the positioning box 21 is positioned through the attraction of the third magnet 20 and the third iron bar 18, in the process of adjusting the position of the positioning box 21, the hook 26 on the line belt 23 of the adjacent positioning box 21 is connected with the circular ring 25 on the front positioning box 21, and then the line belt 23 stretches outwards, the rewinding of the line belt 23 is realized through the disc spring 22, the line belt 23 is enabled to be in a stretching state all the time, the position adjusting box 21 is adjusted to different heights to represent different economic value changes, meanwhile, the upper cover plate 27 and the lower cover plate 6 can respectively represent economic curves of two time periods, for example, the upper cover plate 27 can represent an economic curve of 1 month, and the lower cover plate 6 can represent an economic curve of 2 months, so that students can know the economic curves more clearly and intuitively, and teaching by teachers is facilitated.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The simple and convenient calculation teaching aid for financial science and technology comprises a box body (1), wherein a containing groove (2) is formed in the top end of the box body (1), and is characterized in that a calculation mechanism (3) is installed on one side of the inside of the containing groove (2), a handle (4) is movably installed on the outer side of the box body (1), a limiting clamping block (5) is installed on the back surface of the box body (1), the limiting clamping block (5) is located at the bottom end of the handle (4), a lower cover plate (6) is hinged to the top end of the box body (1) through a hinge, a limiting seat (7) is installed at the top of the back surface of the lower cover plate (6), a rotating clamping seat (8) is arranged at the bottom of the limiting seat (7), a supporting rod (9) is clamped inside the rotating clamping seat (8), a supporting plate (10) is arranged on one side of a top opening of the containing groove (2), the left side and the right side of the back of the lower cover plate (6) are respectively embedded with a first magnetic stripe (12), the left side and the right side of the top surface of the box body (1) are respectively embedded with a first iron strip (13), the top surface of the lower cover plate (6) is hinged with an upper cover plate (27) through a hinge, one inner surface of one side of the lower cover plate (6) originally away from the hinge is embedded with a second magnetic stripe (14), one inner surface of one side of the upper cover plate (27) originally away from the hinge is embedded with a second iron strip (15), the inner surfaces of the lower cover plate (6) and the upper cover plate (27) are respectively provided with a display groove (16), the interior of the display groove (16) is uniformly and equally divided into a plurality of vertical sliding grooves (17), the inner wall of the vertical sliding groove (17) is provided with a third iron strip (18), the interior of the vertical sliding groove (17) is embedded with a sliding block (19), and the interior of the, the outer side of the sliding block (19) is connected with a position adjusting box (21), a disc spring (22) is installed in the center of the inner portion of the position adjusting box (21), an outer end of the disc spring (22) is wound with a wire belt (23), a wire outlet (24) is formed in the surface of one side of the position adjusting box (21), a circular ring (25) is arranged on the surface of the other side of the position adjusting box (21), the wire belt (23) extends to the outer portion of the position adjusting box (21) from the wire outlet (24), a hook (26) is connected to the tail end of the wire belt (23), and the hook (26) is connected with the circular ring (25).

2. A financial technology simple and convenient calculation teaching aid of claim 1, characterized in that, the outside of computing mechanism (3) is provided with display screen, control button, USB jack, power jack, CD-ROM drive, sound trompil and louvre, the inside of computing mechanism (3) is provided with calculation host computer and battery.

3. A financial technology easy calculation teaching aid as claimed in claim 1 wherein the lower cover plate (6) is provided with a fourth magnet (28) adjacent to a side surface of the hinge, the upper cover plate (27) is provided with a fifth magnet (29) adjacent to a side surface of the hinge, and the fifth magnet (29) and the fourth magnet (28) have opposite surface polarities.

4. The financial science and technology simple and convenient calculation teaching aid of claim 1, wherein the surface mounting of positioning box (21) has blank board (30), open the inboard surface bottom of lower cover plate (6) has a pen slot (31), whiteboard pen (32) have been placed to the inside of pen slot (31), open the inboard surface bottom of upper cover plate (27) has a box slot (33), whiteboard eraser (34) have been placed to the inside of box slot (33).

5. A financial technology simple and convenient calculation teaching aid as claimed in claim 4, wherein the pen slot (31) edge is provided with a rubber anti-falling sheet to block the whiteboard pen (32), and the box slot (33) edge is provided with a rubber anti-falling sheet to block the whiteboard eraser (34).