Financial science and technology simple calculation teaching aid

Abstract

The utility model discloses a financial science and technology simple calculation teaching aid, which belongs to the technical field of teaching tools and comprises an operation box, a cover plate arranged at the top of the operation box, a first display screen arranged on the inner side surface of the cover plate, a sliding groove formed in the inner side of the cover plate, a sliding block arranged in the sliding groove, a movable plate arranged on the inner side of the cover plate, and a fixed block arranged on one side of the movable plate. A rotating shaft is arranged in the middle of the fixed block, a movable block is arranged at one end of the rotating shaft, a connecting block is arranged on one side of the movable block, and an inner display screen and an outer display screen are arranged on the two sides of the connecting block. The outer display screen and the inner display screen can be driven to move towards the two sides of the cover plate, then the rotating shaft and the shaft sleeve are used for achieving the overturning function between the outer display screen and the movable plate and between the inner display screen and the movable plate, angle adjustment of the outer display screen and the inner display screen is achieved in an overturning mode, and teaching content can be better displayed.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching tools, and in particular relates to a financial technology simple calculation teaching aid. Background Art

[0002] The essence of finance is the circulation of value. There are many types of financial products, including banks, securities, insurance, trusts, etc. The academic fields involved in finance are very broad, including: accounting, finance, investment, banking, securities, insurance, trusts, etc. Financial mathematics, also known as quantitative finance and mathematical finance, is an applied mathematics designed for the financial market. Teaching aids are needed to assist in teaching financial mathematics.

[0003] At present, most of the existing simple calculation teaching aids of financial technology are large in size. Since teachers need to change classrooms frequently during university classes, it is inconvenient for them to carry and it is troublesome to move them. Some portable teaching aids are easy to carry, but they are small in size and the display screen is not visible. The teaching effect is greatly affected, and it is not convenient to adjust the angle of the display screen. For this reason, we propose a simple calculation teaching aid of financial technology. Utility Model Content

[0004] The purpose of the utility model is to provide a simple calculation teaching aid for financial technology to solve the existing problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a financial technology simple calculation teaching aid, comprising an operation box, a cover plate and a movable plate, the top side of the operation box is movably connected with the cover plate by a hinge, the inner surface of the cover plate is fixedly inlaid with a first display screen, the inner top wall and bottom surface of the cover plate are provided with two corresponding slide grooves, the inside of the slide groove is provided with a slider, the inner side of the cover plate is staggered with two movable plates, the top and bottom of the movable plate are fixedly connected to the slider, a fixed block is provided at the center position of one side of the movable plate, the middle part of the fixed block is movably connected with a rotating shaft by a shaft sleeve, a movable block is fixedly installed at one end of the rotating shaft, a connecting block is provided on the side of the movable block away from the rotating shaft, and the inner display screen and the outer display screen are fixedly connected on both sides of the connecting block by mounting screws.

[0006] Preferably, a plurality of arc grooves are provided around the rotating shaft on the outer circumference of one side of the movable block close to the fixed block, one side of the fixed block is slidably connected to the arc block at the position of the arc groove, one end of the arc block extends to the inside of the arc groove, and an ejection spring is fixedly installed on the end of the arc block extending to the inside of the fixed block.

[0007] Preferably, a screw is provided inside the slide groove, a threaded sleeve is fixedly embedded inside the sliding block, and the threaded sleeve is sleeved on the outer circumference of the screw and is spirally connected thereto.

[0008] Preferably, a handle is provided on one side of the exterior of the operation box, and the handle is fixed to the one side of the exterior of the operation box by means of mounting screws.

[0009] Preferably, a driving motor is provided at one end of the screw rod, and the driving motor is fixedly embedded in the inner wall of one end of the slide groove.

[0010] Preferably, a buckle is provided on one side of the bottom of the cover plate, and a slot is provided on one side of the top of the operation box, and the cover plate is fixedly connected to the operation box through the buckle and the slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. By designing the teaching aids into a suitcase-type structure, and using a slide groove and a slider, in conjunction with a screw, a threaded sleeve and a driving motor, the movable plate is driven so that it can drive the outer display screen and the inner display screen to move to both sides of the cover plate, and then the rotating shaft and the shaft sleeve are used to realize the flipping function between the outer display screen, the inner display screen and the movable plate, so that while realizing the portable function, the purpose of expanding the display screen can also be achieved, thereby improving the teaching effect, and the angle adjustment of the outer display screen and the inner display screen can be realized by flipping, so as to better display the teaching content.

[0013] 2. An arc groove, an arc block and an ejection spring are arranged between the movable block and the fixed block, and the elastic force of the ejection spring is used to push the arc block into the arc groove, so that after the outer display screen and the inner display screen are flipped, resistance is provided to ensure stability after flipping adjustment, and avoid the instability of the outer display screen and the inner display screen being reset or flipped randomly after flipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the unfolded structure of the first display screen and the inner display screen of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the external display screen of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the movable plate of the utility model;

[0018] Figure 5 It is a schematic diagram of the rotating shaft structure of the utility model.

[0019] In the figure: 1. operating box; 2. handle; 3. cover plate; 4. buckle; 5. first display screen; 6. slide groove; 7. movable plate; 8. slider; 9. threaded sleeve; 10. driving motor; 11. screw; 12. inner display screen; 13. outer display screen; 14. connecting block; 15. movable block; 16. arc groove; 17. fixed block; 18. arc block; 19. ejector spring; 20. rotating shaft. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution for a simple calculation teaching aid for financial technology: it includes an operation box 1, a cover plate 3 and a movable plate 7. The top side of the operation box 1 is movably connected with the cover plate 3 through a hinge. The inner surface of the cover plate 3 is fixedly inlaid with a first display screen 5. The inner top wall and bottom surface of the cover plate 3 are provided with two corresponding slide grooves 6. A slider 8 is arranged inside the slide groove 6. Two movable plates 7 are staggered on the inner side of the cover plate 3. The top and bottom of the movable plate 7 are fixedly connected to the slider 8. A fixed block 17 is provided at the center position of one side of the movable plate 7. The middle part of the fixed block 17 is movably connected with a rotating shaft 20 through a shaft sleeve. A movable block 15 is fixedly installed at one end of the rotating shaft 20. A connecting block 14 is provided on the side of the movable block 15 away from the rotating shaft 20. The two sides of the connecting block 14 are fixedly connected with an inner display screen 12 and an outer display screen 13 by mounting screws.

[0022] Specifically, a plurality of arc grooves 16 are provided around the rotating shaft 20 on the outer circumference of one side of the movable block 15 close to the fixed block 17, and an arc block 18 is slidably connected to the position of the arc groove 16 on one side of the fixed block 17, and one end of the arc block 18 extends into the interior of the arc groove 16, and an ejection spring 19 is fixedly installed on the end of the arc block 18 extending into the interior of the fixed block 17.

[0023] Specifically, a screw rod 11 is disposed inside the slide groove 6 , and a threaded sleeve 9 is fixedly embedded inside the slider 8 . The threaded sleeve 9 is sleeved on the outer circumference of the screw rod 11 and is spirally connected thereto.

[0024] Specifically, a handle 2 is provided on one side of the outside of the operation box 1 , and the handle 2 is fixed to one side of the outside of the operation box 1 by means of mounting screws.

[0025] Specifically, a driving motor 10 is disposed at one end of the screw rod 11 , and the driving motor 10 is fixedly embedded in an inner wall at one end of the inner side of the slide groove 6 .

[0026] Specifically, a buckle 4 is provided on one side of the bottom of the cover plate 3 , and a slot is provided on one side of the top of the operation box 1 . The cover plate 3 is fixedly connected to the operation box 1 through the buckle 4 and the slot.

[0027] In the present embodiment, when carrying, the cover plate 3 is fixedly connected to the operating box 1 by the snap connection between the buckle 4 and the slot, and then the cover plate 3 is taken and carried by the handle 2, which greatly improves the portability of the device. When it is needed, the cover plate 3 is opened, and then the screw 11 in the slide groove 6 is driven by the driving motor 10 to rotate, so that the screw sleeve 9 drives the slider 8 to move along the track of the slide groove 6, thereby realizing the driving of the movable plate 7, so that the outer display screen 13 and the inner display screen 12 are extended to the outer sides of the cover plate 3, so as to facilitate the unfolding of the outer display screen 13 and the inner display screen 12 for teaching use. When the angles of the outer display screen 13 and the inner display screen 12 need to be adjusted, the outer display screen 13 The inner display screen 12 is connected to the fixed block 17 and the movable plate 7 by inserting the rotating shaft 20 and the shaft sleeve on the movable block 15 at one end of the connecting block 14, so that the movable block 15 is in active connection with the fixed block 17. The connecting block 14 between the two can be driven to rotate by flipping to adjust the angles of the outer display screen 13 and the inner display screen 12. At the same time, the arc block 18 cooperates with the ejection spring 19 and is inserted into the arc groove 16 to provide a certain resistance during the flipping process, thereby ensuring the stability after the flipping and avoiding the situation that the outer display screen 13 and the inner display screen 12 cannot be fixed after the flipping, resulting in the outer display screen 13 and the inner display screen 12 flipping randomly during use.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A financial technology simple calculation teaching aid, comprising an operation box (1), a cover plate (3) and a movable plate (7), characterized in that: A cover plate (3) is movably connected to one side of the top of the operation box (1) through a hinge, and a first display screen (5) is fixedly inlaid on the inner surface of the cover plate (3). Two corresponding slide grooves (6) are provided on the inner top wall and bottom surface of the cover plate (3), and a slider (8) is arranged inside the slide groove (6). Two movable plates (7) are staggeredly arranged on the inner side of the cover plate (3), and the top and bottom of the movable plate (7) are fixedly connected to the slider (8). A fixed block (17) is provided at the center position of one side of the movable plate (7), and a rotating shaft (20) is movably connected to the middle part of the fixed block (17) through a shaft sleeve. A movable block (15) is fixedly installed on one end of the rotating shaft (20), and a connecting block (14) is provided on the side of the movable block (15) away from the rotating shaft (20), and the two sides of the connecting block (14) are fixedly connected to the inner display screen (12) and the outer display screen (13) by mounting screws.

2. A financial technology simple calculation teaching aid according to claim 1, characterized in that: A plurality of arcuate grooves (16) are provided around the rotating shaft (20) on the outer circumference of one side of the movable block (15) close to the fixed block (17); one side of the fixed block (17) is slidably connected to an arcuate block (18) at the position of the arcuate groove (16); one end of the arcuate block (18) extends into the interior of the arcuate groove (16); and an ejection spring (19) is fixedly mounted on the end of the arcuate block (18) extending into the interior of the fixed block (17).

3. The financial technology simple calculation teaching aid according to claim 1, characterized in that: A screw rod (11) is arranged inside the slide groove (6), and a threaded sleeve (9) is fixedly embedded inside the sliding block (8). The threaded sleeve (9) is sleeved on the outer circumference of the screw rod (11) and is spirally connected thereto.

4. The financial technology simple calculation teaching aid according to claim 1, characterized in that: A handle (2) is provided on one side of the exterior of the operating box (1), and the handle (2) is fixedly mounted on one side of the exterior of the operating box (1) by means of mounting screws.

5. The financial technology simple calculation teaching aid according to claim 3, characterized in that: A driving motor (10) is provided at one end of the screw rod (11), and the driving motor (10) is fixedly embedded in the inner wall of one end of the slide groove (6).

6. The financial technology simple calculation teaching aid according to claim 1, characterized in that: A buckle (4) is provided on one side of the bottom of the cover plate (3), a slot is provided on one side of the top of the operation box (1), and the cover plate (3) is fixedly connected to the operation box (1) via the buckle (4) and the slot.

Images