CN203746294U - Economic management bar statistics teaching device - Google Patents
Economic management bar statistics teaching device Download PDFInfo
- Publication number
- CN203746294U CN203746294U CN201420012052.6U CN201420012052U CN203746294U CN 203746294 U CN203746294 U CN 203746294U CN 201420012052 U CN201420012052 U CN 201420012052U CN 203746294 U CN203746294 U CN 203746294U
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- CN
- China
- Prior art keywords
- fixture block
- drive link
- bar shaped
- connects
- support platform
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Abstract
The utility model provides an economic management bar statistics teaching device. Most of the existing economic management teaching tools cannot be used to specifically show characteristics of statistics, so students are hard to specifically understand the concept of bar statistics. The economic management bar statistics teaching device comprises a table rack (1). The economic management bar statistics teaching device is characterized in that the table rack comprises a vertical-axis plate (2), the vertical-axis plate is provided with scale marks (3), the vertical-axis plate is connected with a horizontal-axis plate (4), the horizontal-axis plate is connected with an operation box (5), and the operation box comprises a bar statistics model (6). The scheme of the utility model is used in the economic management bar statistics teaching device.
Description
Technical field
the utility model relates to a kind of science of economic management and adds up instructional device with bar shaped.
Background technology
existing economical management teaching instrument mostly can not be concrete the feature that shows statistics, student is difficult to the concept of concrete understanding bar shaped statistics.
Summary of the invention
the purpose of this utility model is to provide a kind of science of economic management of freely controlling rise height and adds up instructional device with bar shaped.
above-mentioned object realizes by following technical scheme:
science of economic management is added up an instructional device with bar shaped, and its composition comprises: table frame, and described table frame comprises longitudinal axis plate, described longitudinal axis plate has scale mark, and described longitudinal axis plate connects transverse axis plate, described transverse axis plate attended operation case, described control box comprises bar shaped statistical model
described control box has rectangular opening, described rectangular opening bottom connects rectangle slideway, the width of described rectangular opening is less than the width of described rectangle slideway, in described rectangle slideway, connect described bar shaped statistical model, described bar shaped statistical model has positioner, the surface of described bar shaped statistical model has mark number, described positioner connect below the first spring.
described positioner comprises shell, the described shell left and right sides is arranged with stretches out hole, bottom is provided with drive link hole, described shell has front support platform, rear support platform, described front support platform and side wall of outer shell form the first cavity, rear support platform and side wall of outer shell form the second cavity, the symmetrical first round end fixture block that connects of described front support platform, the second round end fixture block, front support platform between described the first round end fixture block and the second round end fixture block is provided with first and gos deep into hole, symmetrical the 3rd round end fixture block that connects of described rear support platform, the 4th round end fixture block, rear support platform between described the 3rd round end fixture block and the 4th round end fixture block is provided with second and gos deep into hole.
drive link gos deep into hole through drive link hole, second successively, front portion is goed deep into first and is goed deep in hole, the left fixture block of the symmetrical connection of front end and the right fixture block of described drive link, the middle part of described drive link is by the left clamp of the symmetrical connection of rotating shaft, right clamp, left clamp connects left rotary shaft, described left rotary shaft connection for transmission bar, and described drive link connects right spindle, described right spindle connects right clamp
the symmetrical linking springs cover in the left and right sides, middle part of the second described cavity, in described spring housing, all connect the second spring, the top of the second described spring all connects semicircle catch, the described drive link of the common clamping of left and right sides semicircle catch, the lower end of described drive link has arc-shaped convex, and the bottom of described drive link connects control knob.
beneficial effect:
1. the utility model has adopted the operation of control box, and people cannot see the inside of control box in front, easy to operate, and screens more precisely makes it more attractive in appearance, does not affect again operation.
the utility model has added positioner, and statistical graph model is blocked in rising, well shows the feature of statistics.
drive link of the present utility model above there is cavity, make drive link front end can be in cavity free-extension, can not be exposed to outside.
the top of spring two of the present utility model connects catch, drive link there is arc-shaped convex below, make catch can block arc-shaped convex, arc-shaped convex all can not misplaced in the inside or the outside of the second cavity.
accompanying drawing explanation:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is positioner vertical views of accompanying drawing 1.
embodiment:
embodiment 1:
a kind of science of economic management is added up instructional device with bar shaped, its composition comprises: table frame 1, described table frame comprises longitudinal axis plate 2, described longitudinal axis plate has scale mark 3, and described longitudinal axis plate connects transverse axis plate 4, described transverse axis plate attended operation case 5, described control box comprises bar shaped statistical model 6, this device operates by control box, makes model be elevated to scale mark place, and the height by bar shaped statistical model 6 just can embody statistical magnitude very intuitively.
embodiment 2:
science of economic management described in embodiment 1 is added up instructional device with bar shaped, described control box has rectangular opening 7, described rectangular opening bottom connects rectangle slideway 8, the width of described rectangular opening is less than the width of described rectangle slideway, bar shaped statistical model 6 described in the described interior connection of rectangle slideway 8, described bar shaped statistical model has positioner 9, the surface of described bar shaped statistical model 6 has mark several 10, below described positioner, connect the first spring 12, in this device, only need press the control knob of corresponding mark number, the clamp that just can eject in corresponding positioner is stuck in slideway.
embodiment 3:
science of economic management described in embodiment 2 is added up instructional device with bar shaped, described positioner comprises shell 13, described shell 13 left and right sides are arranged with stretches out hole 11, bottom is provided with drive link hole 32, described shell has front support platform 33, rear support platform 34, described front support platform 33 forms the first cavity 14 with side wall of outer shell, rear support platform 34 forms the second cavity 24 with side wall of outer shell, the symmetrical first round end fixture block 15 that connects of described front support platform, the second round end fixture block 21, front support platform 33 between described the first round end fixture block 15 and the second round end fixture block 21 is provided with first and gos deep into hole 35, symmetrical the 3rd round end fixture block 25 that connects of described rear support platform 34, the 4th round end fixture block 26, rear support platform between described the 3rd round end fixture block 25 and the 4th round end fixture block 26 is provided with second and gos deep into hole 36.
embodiment 4:
science of economic management described in embodiment 3 is added up instructional device with bar shaped, drive link 18 is successively through drive link hole 32, second gos deep into hole 36, front portion is goed deep into first and is goed deep in hole 35, the left fixture block 22 of the symmetrical connection of front end and the right fixture block 23 of described drive link, the middle part of described drive link is by the left clamp of the symmetrical connection of rotating shaft, right clamp, left clamp 16 connects left rotary shaft 17, described left rotary shaft connection for transmission bar 18, described drive link connects right spindle 19, described right spindle connects right clamp 20, this device can make drive link left clamp and right clamp when pushing away forward stretch out hole by left and right to stretch out.This device makes drive link when right baffle-plate and right baffle plate stretch out maximum, by left fixture block and right fixture block, block to stop when pushing ahead to continue to push ahead, and by the 3rd round end fixture block and the 4th round end fixture block, makes left clamp and right clamp retraction positioner when retracting.
embodiment 5:
science of economic management described in embodiment 4 is added up instructional device with bar shaped, the symmetrical linking springs cover 27 in the left and right sides, middle part of the second described cavity 24, in described spring housing, all connect the second spring 28, the top of the second described spring all connects semicircle catch 29, the described drive link 18 of the common clamping of left and right sides semicircle catch, the lower end of described drive link has arc-shaped convex 30, the bottom of described drive link connects control knob 31, this device blocks projection by semicircle catch, can make expansion link push ahead or retract after can displacement in model sport process.During use, bar shaped statistical model 6 is transferred to corresponding height, by the control knob of relevant position positioner 31 interior propelling mutually, the right clamp 20 of left clamp 16 is stretched out from stretching out hole, be stuck in transverse axis plate 4 lower surfaces, under the first spring makes progress the effect of elastic force, bar shaped statistical model 6 is fixed, transverse axis plate 4 surfaces form the different bar shaped statistical model 6 of height, realize the object of teaching.
Claims (5)
1. a science of economic management is added up instructional device with bar shaped, its composition comprises: table frame, it is characterized in that: described table frame comprises longitudinal axis plate, described longitudinal axis plate has scale mark, described longitudinal axis plate connects transverse axis plate, described transverse axis plate attended operation case, described control box comprises bar shaped statistical model.
2. science of economic management according to claim 1 is added up instructional device with bar shaped, it is characterized in that: described control box has rectangular opening, described rectangular opening bottom connects rectangle slideway, the width of described rectangular opening is less than the width of described rectangle slideway, in described rectangle slideway, connect described bar shaped statistical model, described bar shaped statistical model has positioner, and the surface of described bar shaped statistical model has mark number, described positioner connect below the first spring.
3. science of economic management according to claim 2 is added up instructional device with bar shaped, it is characterized in that: described positioner comprises shell, the described shell left and right sides is arranged with stretches out hole, bottom is provided with drive link hole, described shell has front support platform, rear support platform, described front support platform and side wall of outer shell form the first cavity, rear support platform and side wall of outer shell form the second cavity, the symmetrical first round end fixture block that connects of described front support platform, the second round end fixture block, front support platform between described the first round end fixture block and the second round end fixture block is provided with first and gos deep into hole, symmetrical the 3rd round end fixture block that connects of described rear support platform, the 4th round end fixture block, rear support platform between described the 3rd round end fixture block and the 4th round end fixture block is provided with second and gos deep into hole.
4. science of economic management according to claim 3 is added up instructional device with bar shaped, it is characterized in that: drive link gos deep into hole through drive link hole, second successively, front portion is goed deep into first and is goed deep in hole, the left fixture block of the symmetrical connection of front end and the right fixture block of described drive link, the middle part of described drive link is by the left clamp of the symmetrical connection of rotating shaft, right clamp, left clamp connects left rotary shaft, described left rotary shaft connection for transmission bar, described drive link connects right spindle, and described right spindle connects right clamp.
5. science of economic management according to claim 4 is added up instructional device with bar shaped, it is characterized in that: the symmetrical linking springs cover in the left and right sides, middle part of the second described cavity, in described spring housing, all connect the second spring, the top of the second described spring all connects semicircle catch, the described drive link of the common clamping of left and right sides semicircle catch, the lower end of described drive link has arc-shaped convex, and the bottom of described drive link connects control knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012052.6U CN203746294U (en) | 2014-01-09 | 2014-01-09 | Economic management bar statistics teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012052.6U CN203746294U (en) | 2014-01-09 | 2014-01-09 | Economic management bar statistics teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746294U true CN203746294U (en) | 2014-07-30 |
Family
ID=51346067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420012052.6U Expired - Fee Related CN203746294U (en) | 2014-01-09 | 2014-01-09 | Economic management bar statistics teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993528A (en) * | 2017-12-31 | 2018-05-04 | 陕西理工大学 | A kind of probabilistic mathematical bar shaped statistical chart apparatus for demonstrating |
-
2014
- 2014-01-09 CN CN201420012052.6U patent/CN203746294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993528A (en) * | 2017-12-31 | 2018-05-04 | 陕西理工大学 | A kind of probabilistic mathematical bar shaped statistical chart apparatus for demonstrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150109 |
|
| EXPY | Termination of patent right or utility model |