CN214955548U - A combination formula teaching aid for drawing of economic management specialty chart - Google Patents
A combination formula teaching aid for drawing of economic management specialty chart Download PDFInfo
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- CN214955548U CN214955548U CN202121589236.5U CN202121589236U CN214955548U CN 214955548 U CN214955548 U CN 214955548U CN 202121589236 U CN202121589236 U CN 202121589236U CN 214955548 U CN214955548 U CN 214955548U
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Abstract
The utility model discloses a combination formula teaching aid for drawing of economic management specialty chart shows concrete numerical value of each item data through the display groove that teaching aid main part front side surface was seted up, the inside lower extreme of display groove is provided with the LED lamp that can show multiple colour, just teaching aid main part top left and right sides fixed mounting has the link that can hang its show, including the display screen, correspond to install the clipboard top shelters from cloth, and movable mounting corresponds the display groove dead ahead, base, detachable are installed teaching aid main part below. This a combination formula teaching aid for drawing of economic management specialty chart adopts neotype structural design, and the mode that the device adopted display slot and LED lamp shows, need not specific demonstration picture strip, and the possibility of using the damage for a long time is lower to still can clearly show in darker environment, can fix through the mode that increases the base simultaneously, make the device can adapt to more service environment.
Description
Technical Field
The utility model relates to an economic management technical field specifically is a combination formula teaching aid that is used for economic management specialty chart to draw.
Background
The economic management major is a subject established by most colleges and universities, and the teaching aid for chart drawing is frequently applied because the application talents which can be competent for the work of all levels of government economic management departments and the actual management work of enterprise units are cultured and are frequently contacted with data and some statistical charts in the learning process.
In the prior art, a chinese patent with an authorization publication number of CN210223190U discloses an economic management chart demonstration teaching aid, which comprises a chart demonstration board, one side of the chart demonstration board is provided with a transverse shaft, one side of the chart demonstration board close to the transverse shaft is provided with a vertical shaft, the side of the chart demonstration board close to the vertical shaft is provided with first white writing boards which are uniformly distributed at equal intervals, the side of the chart demonstration board close to the horizontal shaft is provided with second white writing boards which are uniformly distributed at equal intervals, the other side of the chart demonstration board close to the transverse shaft is provided with rectangular through grooves which are uniformly distributed at equal intervals, the middle positions in the rectangular through grooves are provided with sliding shafts, through cooperation use such as first whitewriting board, demonstration chart bar and second whitewriting board can realize repeated repetitious usage, and demonstration chart bar can save time and save effort in the important position of replying down of the elasticity of return spring, and the elasticity that is equipped with between the connecting axle is acted as go-between and is connected the data that can be audio-visual expressing to demonstration chart bar central point.
However, in the actual use process, the device adopts the mode of demonstrating the image bars to draw the graphs, the graph bars can be damaged in long-term use, the graph bars can be unclear in a dark environment, meanwhile, the device is only fixed by two modes of hanging and fixed installation, and the situation that the graph bars cannot be fixed can occur in the limited condition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination formula teaching aid for economic management specialty chart is drawn to provide and use demonstration chart for a long time and appear damaging and the unclear, the limited problem of fixed mode in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combination formula teaching aid for drawing of economic management specialty chart shows the concrete numerical value of each item data through the display flume that teaching aid main part front side surface was seted up, the inside lower extreme of display flume is provided with the LED lamp that can show multiple colour, just both sides fixed mounting has the link that can hang its show about teaching aid main part top, include:
the scale marks are fixedly arranged on the left side of the front side surface of the teaching aid main body, and the length of the scale marks is greater than that of the display groove;
the writing board is fixedly arranged at the lower end of the front side surface of the teaching aid main body, and the position of the writing board and the position of the display groove correspond to each other up and down;
the display screen is correspondingly arranged above the writing board, and the display screen can change the realized numerical value in real time according to the counting device arranged in the display screen;
the shielding cloth is movably arranged right in front of the corresponding display groove, the shielding cloth is made of dark opaque cloth, and the left side and the right side of the top end of the front side of the shielding cloth are fixedly provided with protruding clamping blocks;
the elastic rope is fixedly arranged in the middle position corresponding to the front end of the shielding cloth and is in a more obvious color;
the base, detachable installs teaching aid main part below, the inside sucking disc that has accomodate and can conveniently carry out its fixed of base.
Preferably, the display slot left and right sides symmetry is provided with the fixed strip, just the fixed strip inboard evenly seted up with the spacing groove that the fixture block formed the block structure, through the fixture block that will block the cloth front end put into the spacing inslot portion that the fixed strip inboard corresponds the position, realize the fixed to blocking the cloth.
Preferably, shelter from cloth rear top and be provided with the wind-up roll that will carry out the rolling to it, just wind-up roll left side is provided with and drives its initiative pivoted clockwork spring, and after loosening the fixed back to sheltering from cloth, the wind-up roll can be withdrawed sheltering from cloth under the effect of clockwork spring, makes things convenient for personnel to operate.
Preferably, the base pass through the mounting groove with the teaching aid main part is constituteed and is dismantled mounting structure, just teaching aid main part lower surface is provided with fixed rack, can install it in teaching aid main part below through the mounting groove of base top to increase the fixed mode of teaching aid main part.
Preferably, the fixed rack and the transmission gear below form an engagement structure, cams are coaxially and fixedly mounted on the left side and the right side of the transmission gear respectively, and the transmission gear engaged with the fixed rack is driven to rotate by the fixed rack during mounting of the base, so that the cams on the left side and the right side rotate synchronously.
Preferably, the position of cam and the position of sucking disc correspond each other from top to bottom, just the sucking disc passes through reset spring and base constitution elastic construction, and when having installed the base, the cam releases the sucking disc the base outside, conveniently fixes the base.
Compared with the prior art, the beneficial effects of the utility model are that: this a combination formula teaching aid for drawing of economic management specialty chart adopts neotype structural design, and the mode that the device adopted display slot and LED lamp shows, need not specific demonstration picture strip, and the possibility of using the damage for a long time is lower to still can clearly show in darker environment, can fix through the mode that increases the base simultaneously, make the device can adapt to more service environment.
1. The cooperation between display flume, LED lamp, shielding cloth, fixed strip and the fixture block is used, illuminates the display flume inside through LED, later shelters from upper portion according to concrete numerical pulling shielding cloth to utilize the fixture block on top to fix it in the spacing inslot of the left and right sides fixed strip, thereby make and to see the part that needs show only.
2. The cooperation between base, fixed rack, drive gear, cam and the reset spring is used, when with pedestal mounting in teaching aid main part below, utilizes fixed rack to drive gear and takes place to rotate to make the cam of the left and right sides rotate, release the base outside with the sucking disc of bottom, utilize the sucking disc can conveniently fix the base.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the wind-up roll in front view;
fig. 5 is a schematic diagram of the side view profile structure of the base of the present invention.
In the figure: 1. a teaching aid main body; 2. hanging a ring; 3. a display slot; 4. an LED lamp; 5. scale lines; 6. a writing board; 7. a display screen; 8. a shielding cloth; 801. a clamping block; 9. an elastic cord; 10. a base; 11. a fixing strip; 12. a limiting groove; 13. a wind-up roll; 14. a clockwork spring; 15. a counting device; 16. mounting grooves; 17. fixing a rack; 18. a transmission gear; 19. a cam; 20. a suction cup; 21. a return spring.
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.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a combination formula teaching aid for drawing of economic management specialty chart, the display groove 3 of seting up through 1 front side surface of teaching aid main part shows the concrete numerical value of each item data, and 3 inside lower extremes of display groove are provided with the LED lamp 4 that can show multiple colour, and 1 top left and right sides fixed mounting of teaching aid main part has link 2 that can hang its show, include:
the scale mark 5 is fixedly arranged on the left side of the front side surface of the teaching aid main body 1, and the length of the scale mark 5 is greater than that of the display groove 3;
the writing board 6 is fixedly arranged at the lower end of the front side surface of the teaching aid main body 1, and the position of the writing board 6 and the position of the display groove 3 correspond to each other up and down;
the display screen 7 is correspondingly arranged above the writing board 6, and the display screen 7 can change the realized numerical value in real time according to the counting device 15 arranged in the display screen 7;
the shielding cloth 8 is movably arranged right in front of the corresponding display groove 3, the shielding cloth 8 is made of dark opaque cloth, and the left side and the right side of the top end of the front side of the shielding cloth 8 are fixedly provided with protruding clamping blocks 801;
the elastic rope 9 is fixedly arranged at the middle position of the front end of the corresponding shielding cloth 8, and the elastic rope 9 is in a more obvious color;
The left side and the right side of the display groove 3 are symmetrically provided with fixing strips 11, the inner sides of the fixing strips 11 are uniformly provided with limiting grooves 12 which form a clamping structure with the clamping block 801, the top end of the rear part of the shielding cloth 8 is provided with a winding roller 13 which winds the shielding cloth, and the left side of the winding roller 13 is provided with a clockwork spring 14 which can drive the winding roller to rotate actively.
When the device is used, at first, the teaching aid main part 1 is fixed by using the hanging ring 2 of the top or the base 10 is installed and fixed, the LED lamp 4 in the display groove 3 is opened after the fixing to illuminate the inside of the display groove, the shielding cloth 8 on the front side is pulled according to the specific numerical value of the chart, the clamping blocks 801 on the left side and the right side of the front end of the shielding cloth 8 are placed in the limiting grooves 12 formed in the fixing strips 11 after the shielding cloth 8 reaches the corresponding position, the shielding cloth 8 is fixed, only the part which is not shielded in the display groove 3 can be seen, the statistics of the numerical values is realized, after each numerical value is determined, the elastic ropes 9 on the front side form a strip statistical chart, the shielding cloth 8 is pulled while the winding roller 13 on the rear end is driven to rotate, the counting device 15 on the right side is used for calculating the length of the specific pulling, and the size of the numerical value is displayed in the display screen 7 below in real time.
The base 10 forms dismantlement mounting structure with teaching aid main part 1 through mounting groove 16, and 1 lower surface of teaching aid main part is provided with fixed rack 17, and fixed rack 17 constitutes the meshing structure with below drive gear 18, and the coaxial fixed mounting respectively of the drive gear 18 left and right sides has cam 19, and the position of cam 19 and the position of sucking disc 20 correspond each other from top to bottom, and sucking disc 20 passes through reset spring 21 and constitutes elastic construction with base 10.
When utilizing base 10 to fix, at first with base 10 slidable mounting in teaching aid main part 1 below, the fixed rack 17 of teaching aid main part 1 bottom drives the drive gear 18 of being connected with it meshing and takes place to rotate in gliding, thereby drive the synchronous rotation of the cam 19 of the left and right sides, release the base 10 outside with the sucking disc 20 of the corresponding position in below, thereby utilize sucking disc 20 with device monolithic stationary, and after taking off base 10, sucking disc 20 gets back to the normal position under reset spring 21's effect, utilize base 10 to play the guard action to it.
The working principle is as follows: when using this device, according to the structure shown in fig. 1-5, at first confirm the fixed mode of teaching aid main part 1 according to the particular case of environment, when utilizing base 10 to fix, inside sucking disc 20 exposes automatically after the base 10 installation is accomplished, be convenient for fix the device is whole, and teaching aid main part 1 adopts the mode of LED lamp 4 to show, be difficult for appearing damaging and still can clearly see in darker environment, this is exactly this a theory of operation that is used for the combination formula teaching aid that economic management specialty chart was drawn.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a combination formula teaching aid for drawing of economic management specialty chart shows the concrete numerical value of each item data through the display flume that teaching aid main part front side surface was seted up, the inside lower extreme of display flume is provided with the LED lamp that can show multiple colour, just both sides fixed mounting has the link that can hang its show about teaching aid main part top, its characterized in that includes:
the scale marks are fixedly arranged on the left side of the front side surface of the teaching aid main body, and the length of the scale marks is greater than that of the display groove;
the writing board is fixedly arranged at the lower end of the front side surface of the teaching aid main body, and the position of the writing board and the position of the display groove correspond to each other up and down;
the display screen is correspondingly arranged above the writing board, and the display screen can change the realized numerical value in real time according to the counting device arranged in the display screen;
the shielding cloth is movably arranged right in front of the corresponding display groove, the shielding cloth is made of dark opaque cloth, and the left side and the right side of the top end of the front side of the shielding cloth are fixedly provided with protruding clamping blocks;
the elastic rope is fixedly arranged in the middle position corresponding to the front end of the shielding cloth and is in a more obvious color;
the base, detachable installs teaching aid main part below, the inside sucking disc that has accomodate and can conveniently carry out its fixed of base.
2. The combined teaching aid for drawing of economic management professional charts in claim 1, which is characterized in that: the display slot is characterized in that fixing strips are symmetrically arranged on the left side and the right side of the display slot, and limit slots which form clamping structures with the clamping blocks are evenly formed in the inner sides of the fixing strips.
3. The combined teaching aid for drawing of economic management professional charts in claim 1, which is characterized in that: the winding roller is arranged at the top end behind the shielding cloth and used for winding the shielding cloth, and a spiral spring capable of driving the winding roller to rotate actively is arranged on the left side of the winding roller.
4. The combined teaching aid for drawing of economic management professional charts in claim 1, which is characterized in that: the base pass through the mounting groove with the mounting structure is dismantled in the teaching aid main part constitution, just teaching aid main part lower surface is provided with fixed rack.
5. The combined teaching aid for drawing of economic management professional charts in claim 4, which is characterized in that: the fixed rack and the transmission gear below form a meshing structure, and cams are coaxially and fixedly arranged on the left side and the right side of the transmission gear respectively.
6. The combined teaching aid for drawing of economic management professional charts in claim 5, wherein: the position of the cam corresponds to the position of the sucker up and down, and the sucker and the base form an elastic structure through a return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589236.5U CN214955548U (en) | 2021-07-13 | 2021-07-13 | A combination formula teaching aid for drawing of economic management specialty chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589236.5U CN214955548U (en) | 2021-07-13 | 2021-07-13 | A combination formula teaching aid for drawing of economic management specialty chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955548U true CN214955548U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121589236.5U Active CN214955548U (en) | 2021-07-13 | 2021-07-13 | A combination formula teaching aid for drawing of economic management specialty chart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955548U (en) |
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2021
- 2021-07-13 CN CN202121589236.5U patent/CN214955548U/en active Active
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