CN211578171U - Figure presentation device that finance mathematics was used - Google Patents
Figure presentation device that finance mathematics was used Download PDFInfo
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- CN211578171U CN211578171U CN202020100495.6U CN202020100495U CN211578171U CN 211578171 U CN211578171 U CN 211578171U CN 202020100495 U CN202020100495 U CN 202020100495U CN 211578171 U CN211578171 U CN 211578171U
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- 210000002421 cell wall Anatomy 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 5
- 210000002414 leg Anatomy 0.000 claims abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a figure presentation device that finance mathematics was used, including demonstration board and demonstration piece, the lower extreme welding of demonstration board has two supporting legss, many vertical demonstration grooves have been seted up on the demonstration board, every all be equipped with a plurality of slotted holes on the both sides cell wall in demonstration groove, the demonstration piece is fixed in on the demonstration groove of demonstration board, the demonstration piece is welded by planking and inner panel, be equipped with connecting device on the planking, be equipped with the rigidity structure on inner panel and the planking jointly. The utility model discloses a be equipped with the fixed position structure on the demonstration piece, through pressing even root catch bar, can take off from the demonstration groove with the demonstration piece easily and ann, be convenient for adjust the position of demonstration piece at any time, still be equipped with devices such as connecting block, clockwork spring in the demonstration piece, be convenient for connect the rope connect fixed with use the automatic re-setting who uses up, simple convenient use is favorable to teacher's use, improves the quality of teaching.
Description
Technical Field
The utility model relates to a figure presentation device field for finance mathematics especially relates to a figure presentation device that finance mathematics was used.
Background
Finance mathematics is an emerging subject and is an important component of high-tech finance. The research aims to utilize the advantages of certain aspects of the mathematical world in China to carry out deep analysis around the mathematical theory of balance of financial markets and price of securities, establish a mathematical model suitable for national conditions, compile certain computer software, carry out simulation calculation on theoretical research results, carry out measurement economic analysis research on actual data and provide deep technical analysis consultation for actual financial departments.
Various data curves are often drawn in the financial mathematics teaching, so that students can more visually know the information trend displayed by the data, and the data sensitivity of the students is improved. The teacher draws various data curves one by one, so that the teaching efficiency is influenced, the thinking of students is interrupted, the change of the teaching effect data is influenced, the data needs to be adjusted in time, the effect of the chart on the computer is insufficient, and the learning interest of the students cannot be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a figure demonstration device for finance mathematics.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a figure presentation device that finance mathematics was used, includes demonstration board and demonstration piece, the lower extreme welding of demonstration board has two supporting legss, many vertical demonstration grooves have been seted up on the demonstration board, every all be equipped with a plurality of slotted holes on the both sides cell wall in demonstration groove, the demonstration piece is fixed in on the demonstration groove of demonstration board, the demonstration piece is welded by planking and inner panel, be equipped with connecting device on the planking, be equipped with the fixed position structure on inner panel and the planking jointly.
Preferably, the connecting device comprises a demonstration rope, a cylindrical cavity is formed in the outer plate, a clockwork spring is rotatably connected in the cylindrical cavity through a pin shaft, a cavity opening is formed in the outer plate and communicated with the cylindrical cavity, the demonstration rope is wound on the clockwork spring, a connecting block is tied at one end, away from the clockwork spring, of the demonstration rope, a connecting cavity is formed in one side, away from the cavity opening, of the outer plate, a triangular groove communicated with the connecting cavity is formed in the upper portion of the connecting cavity, and the connecting block is connected in the connecting cavity in a sliding mode to the connecting block on the other demonstration block.
Preferably, the position fixing structure includes spacing chamber, spacing chamber is seted up in the demonstration piece, all there are two openings and spacing chamber intercommunication on planking and the inner panel, two openings and two catch bars of spacing chamber junction sliding connection of planking, two the welding has a spring between the catch bar, two openings and spacing chamber junction sliding connection of inner panel have two stoppers, two the one end that the catch bar is located spacing intracavity welds with two stoppers respectively, two the stopper offsets with the slotted hole of demonstration groove both sides cell wall.
Preferably, a cavity is formed in the connecting block, a connecting port is formed in the upper end face of the connecting block and communicated with the cavity, the connecting port is rotatably connected with a clamping block through a pin shaft, a reset spring is sleeved on the pin shaft at the connecting port, a sliding block is slidably connected in the cavity of the connecting block, a sliding rod penetrates through the side wall of the connecting block and is slidably connected with the side wall of the connecting block, one end, located in the cavity, of the sliding rod is welded with the sliding block, and a demonstration rope is tied at one end, located outside the connecting block, of the sliding rod.
Preferably, the fixture block is L-shaped, the rotating connection position of the pin shaft of the fixture block is an L-shaped bending position, and the upper end of the fixture block is abutted to the wall of the triangular groove.
Preferably, the distance between two adjacent demonstration grooves is equal, and the distance between two adjacent slotted holes is equal.
The utility model discloses in, compare with prior art, the utility model has the advantages of:
1. the utility model discloses a be carved with the coordinate axis on the demonstration board, be equipped with many vertical demonstration grooves on the demonstration board, a plurality of demonstration pieces of collocation will demonstrate the piece according to data and fix on the demonstration groove to demonstration rope interconnect on the piece will demonstrate forms three-dimensional data chart, can adjust at will according to the trend, can fix a plurality of demonstration pieces in every demonstration simultaneously, form data curve contrast diagram, can improve the data sensitivity who improves the student greatly, increase student's interest in learning.
2. The utility model provides a be equipped with the fixed position structure on the demonstration piece, through pressing even root catch bar, can take off from the demonstration groove with the demonstration piece easily and ann, be convenient for adjust the position of demonstration piece at any time, still be equipped with devices such as connecting block, clockwork spring in the demonstration piece, be convenient for connect the rope connect fixed with use the automatic re-setting who uses up, simple convenient use is favorable to teacher's use, improves the quality of teaching.
Drawings
Fig. 1 is the utility model provides a figure presentation device that finance mathematics was used's schematic structure diagram.
Fig. 2 is an enlarged schematic view of a position a of the figure demonstration device for finance and mathematics provided by the utility model.
Fig. 3 is an enlarged schematic diagram of a B position of the graph demonstration apparatus for finance and mathematics provided by the utility model.
Fig. 4 is the utility model provides a figure presentation device's that finance mathematics was used rigidity structure sketch map.
In the figure: the demonstration device comprises a demonstration plate 1, a support foot 2, a demonstration groove 3, a demonstration block 4, an outer plate 401, an inner plate 402, a cylindrical cavity 5, a cavity opening 501, a clockwork spring 6, a demonstration rope 7, a connecting cavity 8, a triangular groove 9, a connecting block 10, a cavity 11, a connecting port 12, a connecting block 13, a reset spring 14, a sliding block 15, a sliding rod 16, a limiting cavity 17, a push rod 18, a spring 19, a limiting block 20 and a slotted hole 21.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a figure presentation device that finance mathematics was used, including demonstration board 1 and demonstration piece 4, be carved with the data coordinate axis on demonstration board 1, the lower extreme welding of demonstration board 1 has two supporting legss 2, many vertical demonstration groove 3 have been seted up on demonstration board 1, all be equipped with a plurality of slotted holes 21 on every demonstration groove 3's the both sides cell wall, demonstration piece 4 is fixed in demonstration groove 3 of demonstration board 1, demonstration piece 4 is welded by planking 401 and inner panel 402, be equipped with connecting device on planking 401, be equipped with the fixed position structure jointly on inner panel 402 and the planking 401, the distance between two adjacent demonstration grooves 3 equals, the distance between two adjacent slotted holes 21 equals.
The connecting device comprises a demonstration rope 7, a cylindrical cavity 5 is arranged in an outer plate 401, a clockwork spring 6 is rotatably connected in the cylindrical cavity 5 through a pin shaft, a cavity opening 501 is formed in the outer plate 401 and communicated with the cylindrical cavity 5, the demonstration rope 7 is wound on the clockwork spring 6, a connecting block 10 is tied at one end, away from the clockwork spring 6, of the demonstration rope 7, a connecting cavity 8 is formed in one side, away from the cavity opening 501, of the outer plate 401, a triangular groove 9 communicated with the connecting cavity 8 is formed above the connecting cavity 8, a connecting block 10 on another demonstration block 4 is slidably connected in the connecting cavity 8, a cavity 11 is formed in the connecting block 10, a connecting port 12 is formed in the upper end face of the connecting block 10 and communicated with the cavity 11, a clamping block 13 is rotatably connected at the connecting port 12 through a pin shaft, a reset spring 14 is sleeved on, a sliding rod 16 penetrates through the side wall of the connecting block 10, the sliding rod 16 is in sliding connection with the side wall of the connecting block 10, one end, located in the cavity 11, of the sliding rod 16 is welded with the sliding block 15, the demonstration rope 7 is tied to one end, located outside the connecting block 10, of the sliding rod 16, the clamping block 13 is L-shaped, the rotating connection position of the pin shaft of the clamping block is L-shaped bending position, the upper end of the clamping block 13 abuts against the wall of the triangular groove 9, the sliding rod 16 is pushed to enable the sliding block 15 to abut against the clamping block 13 in the cavity 11, the clamping block 13 rotates downwards to leave the triangular groove 9, and the whole.
The position fixing structure comprises a limiting cavity 17, the limiting cavity 17 is arranged in the demonstration block 4, two openings and the limiting cavity 17 are communicated on the outer plate 401 and the inner plate 402, two openings of the outer plate 401 are connected with two push rods 18 at the joints of the limiting cavity 17 in a sliding manner, a spring 19 is welded between the two push rods 18, two openings of the inner plate 402 are connected with two limiting blocks 20 at the joints of the limiting cavity 17 in a sliding manner, one ends of the two push rods 18 in the limiting cavity 17 are welded with the two limiting blocks 20 respectively, and the two limiting blocks 20 are abutted to groove holes 21 of the groove walls on the two sides of the demonstration groove 3.
In the utility model, the demonstration device is firstly placed at the horizontal position, after the fixing position of the demonstration block 4 is determined, the push rods 18 protruding from two sides of the demonstration block 4 are pressed to enable two limit blocks 20 in the inner plate 402 to retract into the limit cavities 17, the inner plate 402 of the demonstration block 4 is partially placed in the demonstration groove 3, the push rods 18 are loosened under the action of the springs 19, the limit blocks 20 times push the groove holes 21 on the groove walls at two sides of the demonstration groove 3, after a plurality of demonstration blocks 4 are fixed, the connecting block 10 on the demonstration block 4 is pulled to be inserted into the connecting cavity 8 of the previous demonstration block 4, the upper end of the clamping block 13 is abutted against the triangular groove 9 under the action of the reset spring 14, so that the connecting block 10 is fixed in the connecting cavity 8, other demonstration blocks 4 are connected in the same way except the demonstration block 4 in the first demonstration groove 3, at this moment, the demonstration blocks 4 on the whole demonstration plate 1 are connected through the demonstration ropes 7 to form a three-dimensional data curve, in the teaching process, the connecting block 10 does not need to be drawn out when the position of the demonstration block 4 is adjusted, so that the operation of teachers is facilitated, and the teaching quality is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a figure presentation device that finance mathematics was used, includes demonstration board (1) and demonstration piece (4), its characterized in that, the lower extreme welding of demonstration board (1) has two supporting legss (2), many vertical demonstration groove (3) have been seted up on demonstration board (1), every all be equipped with a plurality of slotted holes (21) on the both sides cell wall of demonstration groove (3), demonstration piece (4) are fixed in demonstration groove (3) of demonstration board (1) on, demonstration piece (4) are welded by planking (401) and inner panel (402), be equipped with connecting device on planking (401), be equipped with the fixed position structure on inner panel (402) and planking (401) jointly.
2. The graphic presentation device for financial mathematics of claim 1, wherein, the connecting device comprises a demonstration rope (7), a cylindrical cavity (5) is arranged in the outer plate (401), a clockwork spring (6) is rotationally connected in the cylindrical cavity (5) through a pin shaft, the outer plate (401) is provided with a cavity opening (501) communicated with the cylindrical cavity (5), a demonstration rope (7) is wound on the clockwork spring (6), one end of the demonstration rope (7) far away from the clockwork spring (6) is tied with a connecting block (10), a connecting cavity (8) is arranged on one side of the outer plate (401) far away from the cavity opening (501), a triangular groove (9) communicated with the connecting cavity (8) is arranged above the connecting cavity, the connecting cavity (8) is connected with a connecting block (10) on the other demonstration block (4) in a sliding way.
3. The graphic presentation device for financial mathematics of claim 1, wherein, the position fixing structure comprises a limiting cavity (17), the limiting cavity (17) is arranged in the demonstration block (4), the outer plate (401) and the inner plate (402) are both provided with two openings which are communicated with the limit cavity (17), two pushing rods (18) are connected with the joints of the two openings of the outer plate (401) and the limiting cavity (17) in a sliding way, a spring (19) is welded between the two pushing rods (18), two openings of the inner plate (402) are connected with two limiting blocks (20) at the joint of the limiting cavity (17), one end of the pushing rod (18) in the limiting cavity (17) is welded with the two limiting blocks (20), and the two limiting blocks (20) are abutted against slotted holes (21) on the two side slot walls of the demonstration slot (3).
4. The graphic presentation device for financial mathematics of claim 2, wherein, a cavity (11) is arranged in the connecting block (10), a connecting port (12) is arranged on the upper end surface of the connecting block (10) and communicated with the cavity (11), a clamping block (13) is rotatably connected at the connecting port (12) through a pin shaft, a return spring (14) is sleeved on the pin shaft at the connecting port (12), a sliding block (15) is connected in the cavity (11) of the connecting block (10) in a sliding way, a sliding rod (16) penetrates through the side wall of the connecting block (10), the sliding rod (16) is connected with the side wall of the connecting block (10) in a sliding manner, one end of the sliding rod (16) positioned in the cavity (11) is welded with the sliding block (15), one end of the sliding rod (16) positioned outside the connecting block (10) is tied with a demonstration rope (7).
5. The figure demonstration device for finance and mathematics as claimed in claim 4, wherein said latch (13) is L-shaped, and the pivot connection of the latch pin is at an L-shaped bent position, and the upper end of said latch (13) is abutted against the wall of the triangular groove (9).
6. A graphic demonstration apparatus for financial mathematics as claimed in claim 1, wherein the distance between two adjacent demonstration grooves (3) is equal and the distance between two adjacent slotted holes (21) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100495.6U CN211578171U (en) | 2020-01-14 | 2020-01-14 | Figure presentation device that finance mathematics was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100495.6U CN211578171U (en) | 2020-01-14 | 2020-01-14 | Figure presentation device that finance mathematics was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211578171U true CN211578171U (en) | 2020-09-25 |
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ID=72555297
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020100495.6U Expired - Fee Related CN211578171U (en) | 2020-01-14 | 2020-01-14 | Figure presentation device that finance mathematics was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211578171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658489A (en) * | 2021-09-06 | 2021-11-16 | 安徽理工大学 | Teaching aid for advanced mathematic differential teaching |
| CN114049830A (en) * | 2021-12-10 | 2022-02-15 | 山东理工职业学院 | Economics model dynamic presentation device |
-
2020
- 2020-01-14 CN CN202020100495.6U patent/CN211578171U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658489A (en) * | 2021-09-06 | 2021-11-16 | 安徽理工大学 | Teaching aid for advanced mathematic differential teaching |
| CN113658489B (en) * | 2021-09-06 | 2023-01-17 | 安徽理工大学 | Teaching aid for advanced mathematic differential teaching |
| CN114049830A (en) * | 2021-12-10 | 2022-02-15 | 山东理工职业学院 | Economics model dynamic presentation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20220114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |