CN205665928U - Junior high school mathematics display device that imparts knowledge to students - Google Patents
Junior high school mathematics display device that imparts knowledge to students Download PDFInfo
- Publication number
- CN205665928U CN205665928U CN201620253347.1U CN201620253347U CN205665928U CN 205665928 U CN205665928 U CN 205665928U CN 201620253347 U CN201620253347 U CN 201620253347U CN 205665928 U CN205665928 U CN 205665928U
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- box
- upper box
- hinge
- lower box
- utility
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Abstract
The utility model discloses a junior high school mathematics display device that imparts knowledge to students, the utility model discloses a lower box, one side middle part of box is provided with the hinge down, the opposite side middle part of box is provided with the handle down, down the box through hinge hinge have with box assorted down on the box, go up the box and hinge between the box down to have and show the board with last box inner wall assorted, upward the side of box is opened and is had the bar window, install on the bar window with bar window assorted slide damper, the utility model discloses a rotation of drive motor drive action wheel drives the round pin and along with the drive belt cyclic motion, drives and sell at the spout internal motion, and messenger slide damper reciprocating in the bar window separates examination question and answer, and the bandwagon effect is better, makes things convenient for the teacher to use, when upward the box is in the same place with lower box, conveniently carries.
Description
Technical field
This utility model relates to teaching equipment technical field, is specially a kind of mathematics teaching in junior middle school exhibiting device.
Background technology
Writing of mathematics is complex, for it is frequently necessary to a lot of formula of writing on the blackboard from the point of view of teacher on blackboard, and student
Also many time is spent to copy.So one come not only teacher tire out, be likely to when student listens to the teacher hear do not write down or
Person has write down and has not understood the explanation of teacher, and the workload causing teacher is very big, the also chalk powder on blackboard
The health of teacher can be caused the biggest injury, existing electronic curtain formula exhibiting device is expensive, and is inconvenient to use.
Utility model content
The purpose of this utility model is to provide a kind of mathematics teaching in junior middle school exhibiting device, to solve in above-mentioned background technology
The problem proposed.
For achieving the above object, this utility model following technical scheme of offer: a kind of mathematics teaching in junior middle school exhibiting device, bag
Including lower box, a middle side part of described lower box is provided with hinge；It is provided with handle in the middle part of the opposite side of described lower box；Described
Lower box has the upper box matched with lower box by hinge；It is hinged with and top box between described upper box and lower box
The Graphic Panel that internal wall matches；The side of described upper box has marking shape window；It is provided with and bar shaped on described marking shape window
The slide damper that window matches；It is respectively connected with solid in the middle part of side plate inwall one end of described upper box and the side plate inwall of upper box
Fixed column；Side plate inwall one end of described upper box is provided with drivewheel by fixing post；In the middle part of the side plate inwall of described upper box
By fixing post, driven pulley is installed.
Preferably, on the inwall of described slide damper, middle side part has chute.
Preferably, transmission band it is provided with between described drivewheel and driven pulley；The outside of described transmission band is installed with
The drive pin matched with chute.
Preferably, outside the fixing post of side plate inwall one end of described upper box, driving motor is installed；Described driving electricity
Machine is connected with drivewheel by rotating shaft.
Preferably, it is provided with, in the middle part of one end of described Graphic Panel, the buckle matched with upper box.
Compared with prior art, the beneficial effects of the utility model are: by driving driven by motor drivewheel to rotate, drive
Pin is along with transmission band shuttling movement, and drive pin moves in chute, makes slide damper iterative motion in marking shape window, will
Separately, bandwagon effect is preferable, facilitates teacher to use for examination question and answer, upper box and lower box and together with time, be convenient for carrying.
Accompanying drawing explanation
Fig. 1 is axis side view such as grade of the present utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is left view of the present utility model；
Fig. 4 is the structural representation of drive pin part.
In figure: 1, lower box；2, hinge；3, handle；4, upper box；5, Graphic Panel；6, marking shape window；7, slide damper；
8, fixing post；9, drivewheel；10, driven pulley；11, chute；12, transmission band；13, drive pin；14, motor is driven；15, buckle.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-4, this utility model provides a kind of technical scheme: include lower box 1, the side of described lower box 1
Middle part is provided with hinge 2；It is provided with handle 3 in the middle part of the opposite side of described lower box 1；Described lower box 1 is hinged with by hinge 2
The upper box 4 matched with lower box 1；It is hinged with between described upper box 4 and lower box 1 and matches with upper box 4 inwall
Graphic Panel 5；The side of described upper box 4 has marking shape window 6；It is provided with on described marking shape window 6 and matches with marking shape window 6
Slide damper 7；It is respectively connected with fixing post 8 in the middle part of side plate inwall one end of described upper box 4 and the side plate inwall of upper box 4；
Side plate inwall one end of described upper box 4 is provided with drivewheel 9 by fixing post 8；Lead in the middle part of the side plate inwall of described upper box 4
Cross fixing post 8 and driven pulley 10 is installed；On the inwall of described slide damper 7, middle side part has chute 11；Described drivewheel 9 and from
Transmission band 12 it is provided with between driving wheel 10；The outside of described transmission band 12 is installed with the drive pin matched with chute 11
13；Driving motor 14 is installed outside the fixing post 8 of side plate inwall one end of described upper box 4；Described driving motor 14 passes through
Rotating shaft is connected with drivewheel 9；The buckle 15 matched with upper box 4 it is provided with in the middle part of one end of described Graphic Panel 5.
In the specific implementation, teacher is placed on lower box 1 on dais this utility model, regulation lower box 1 and upper box 4
Between angle, showing that content is placed on Graphic Panel 5, the buckle 15 of Graphic Panel 5 coordinates with upper box 4, electric by driving
Machine 14 drives drivewheel 9 to rotate, and drive pin 13 is along with transmission band 12 shuttling movement, and drive pin 13 moves in chute 11, makes sliding
Dynamic baffle plate 7 iterative motion in marking shape window 6, separates examination question and answer, and bandwagon effect is preferable, facilitates teacher to use,
Upper box 4 and lower box 1 and together with time, be convenient for carrying.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a mathematics teaching in junior middle school exhibiting device, it is characterised in that: include lower box (1), in the side of described lower box (1)
Portion is provided with hinge (2)；Handle (3) it is provided with in the middle part of the opposite side of described lower box (1)；Described lower box (1) passes through hinge
(2) upper box (4) matched with lower box (1) it is hinged with；It is hinged with upper between described upper box (4) and lower box (1)
The Graphic Panel (5) that casing (4) inwall matches；The side of described upper box (4) has marking shape window (6)；Described marking shape window
(6) slide damper (7) matched with marking shape window (6) is installed on；Side plate inwall one end of described upper box (4) and top box
Fixing post (8) it is respectively connected with in the middle part of the side plate inwall of body (4)；Side plate inwall one end of described upper box (4) is by fixing post (8)
Drivewheel (9) is installed；By fixing post (8), driven pulley (10) is installed in the middle part of the side plate inwall of described upper box (4).
A kind of mathematics teaching in junior middle school exhibiting device the most according to claim 1, it is characterised in that: described slide damper (7)
Inwall on middle side part have chute (11).
A kind of mathematics teaching in junior middle school exhibiting device the most according to claim 1, it is characterised in that: described drivewheel (9) and
Transmission band (12) it is provided with between driven pulley (10)；The outside of described transmission band (12) is installed with and matches with chute (11)
Drive pin (13).
A kind of mathematics teaching in junior middle school exhibiting device the most according to claim 1, it is characterised in that: described upper box (4)
Fixing post (8) outside of side plate inwall one end is provided with driving motor (14)；Described driving motor (14) is by rotating shaft and active
Wheel (9) connects.
A kind of mathematics teaching in junior middle school exhibiting device the most according to claim 1, it is characterised in that: described Graphic Panel (5)
The buckle (15) matched with upper box (4) it is provided with in the middle part of one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620253347.1U CN205665928U (en) | 2016-03-30 | 2016-03-30 | Junior high school mathematics display device that imparts knowledge to students |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620253347.1U CN205665928U (en) | 2016-03-30 | 2016-03-30 | Junior high school mathematics display device that imparts knowledge to students |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665928U true CN205665928U (en) | 2016-10-26 |
Family
ID=57162599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620253347.1U Expired - Fee Related CN205665928U (en) | 2016-03-30 | 2016-03-30 | Junior high school mathematics display device that imparts knowledge to students |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665928U (en) |
-
2016
- 2016-03-30 CN CN201620253347.1U patent/CN205665928U/en not_active Expired - Fee Related
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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: 20161026 Termination date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |