CN203483119U - Blackboard for Chinese teaching in junior high school - Google Patents
Blackboard for Chinese teaching in junior high school Download PDFInfo
- Publication number
- CN203483119U CN203483119U CN201320626630.0U CN201320626630U CN203483119U CN 203483119 U CN203483119 U CN 203483119U CN 201320626630 U CN201320626630 U CN 201320626630U CN 203483119 U CN203483119 U CN 203483119U
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- CN
- China
- Prior art keywords
- plate body
- layer
- montants
- blackboard
- side arm
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- Expired - Fee Related
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Abstract
The utility model discloses a blackboard for Chinese teaching in a junior high school. The blackboard for Chinese teaching in the junior high school comprises a front frame and a rear frame. The rear frame comprises two vertical bars and multiple cross bars arranged between the two vertical bars in a spanning mode. The front frame comprises two vertical bars. The upper ends of the two vertical bars of the front frame are connected with the two vertical bars of the rear frame through hinges, and a plate body is arranged between the two vertical bars of the front frame. The two ends of a vertical ruler are clamped on a clamping rail on the upper side of the plate body and a clamping rail on the lower side of the plate body respectively. A horizontal ruler is arranged between the left side and the right side of the plate body, and the two ends of the horizontal ruler are clamped on a clamping rail on the left side of the plate body and a clamping rail on the right side of the plate body respectively. Scale marks are arranged on the horizontal ruler and the vertical ruler, and the plate body is of a multi-layer structure. The plate body comprises a surface plate layer, an adsorption layer and a back plate layer. The surface of the surface plate layer and the surface of the back plate layer are evenly provided with micropores with the diameter smaller than 1mm, and the adsorption layer is an activated carbon layer. A supporting structure is arranged between the surface plate layer and the back plate layer. The blackboard for Chinese teaching in the junior high school has the functions that the black board can be folded easily, grids are conveniently drawn, dust can be absorbed, and moisture can be prevented.
Description
Technical field
The utility model relates to language teaching technical field, is specifically related to a kind of junior middle school Chinese blackboard for teaching.
Background technology
In junior middle school Chinese teaching process, instructors often needs the various poem well-known phrase of writing on the blackboard and text main points and so on.Whether writing on the blackboard is carefully and neatly done, attractive in appearance, quick, is the Teaching Skill that instructors is focused on very much, and this skill often needs experience accumulation for a long time to get.In addition, the dust that chalk-writing drops can fly upward everywhere, and contaminated environment affects the healthy of teacher and student, and under the heavier environment of moisture, plate body easily gets damp again and affects and writes.Therefore, design the quick writing on the blackboard of a kind of teacher of being conducive to, and guarantee that carefully and neatly done beautiful teaching aid is to have technical problem to be solved.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is a kind of multi-functional junior middle school Chinese blackboard for teaching that is easy to fold, facilitate frame and dust adsorption and protection against the tide of design.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of junior middle school Chinese blackboard for teaching, comprise side arm and after-frame, described after-frame comprises two montants and across many cross bars in the middle of two montants, described side arm comprises two montants, the upper end of two montants of described side arm links together by two montants of hinge and after-frame, between two montants of described side arm, be provided with plate body, the top of described plate body, below, the left side and the right are provided with card rail, between the bottom and upper segment of plate body, be provided with perpendicular chi, the two ends of described perpendicular chi are fastened on respectively on the card rail of bottom and upper segment of plate body, between the left side of plate body and the right, be provided with crossfoot, the two ends of described crossfoot are fastened on respectively on the left side of plate body and the card rail on the right, described crossfoot and perpendicular chi are provided with graduation mark, described plate body is sandwich construction, plate body comprises panel layer, adsorption layer and backsheet layer, the surface uniform of panel layer and backsheet layer offers the micropore that diameter is less than 1mm, adsorption layer is active carbon layer, between described panel layer and backsheet layer, be provided with supporting construction.
Preferably, the two ends of described crossfoot and perpendicular chi are provided with pulley, and pulley is fastened in card rail.
Preferably, the below of described plate body is provided with shelf, and described shelf is fixed between two montants of side arm.
Preferably, described supporting construction is the panel layer flaggy reinforcing prop extending longitudinally of supporting or opposing.
The beneficial effects of the utility model:
Between side arm of the present utility model and after-frame, by hinge, be flexibly connected, be convenient to folding and the expansion of the utility model integral body.When blackboard does not need to use, side arm and after-frame can not drawn in, be easy to carry like this and take in, not take up room.When needs are used blackboard, side arm and after-frame are launched, can on plate body, write.Plate body is provided with crossfoot and perpendicular chi simultaneously, and crossfoot and perpendicular chi can up and down or left and right slide, more carefully and neatly done while being conducive to teacher's writing on the blackboard, are also conducive to teacher draw square or straight line when writing on the blackboard simultaneously.Active carbon in the utility model in adsorption layer can also can absorb extraneous moisture by the micro-porous adsorption dust on panel layer and backsheet layer simultaneously, prevents panel layer moisture regain, affects writing of teaching person.
The utility model can folding, is easy to carry, and plate body is provided with crossfoot and perpendicular chi and crossfoot and perpendicular chi and can slides simultaneously, can not affect writing on the blackboard effect.Such crossfoot and perpendicular chi are conducive to the carefully and neatly attractive in appearance of teacher's writing on the blackboard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the plate body structure schematic diagram in the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of junior middle school Chinese blackboard for teaching, comprise side arm 1 and after-frame 2, described after-frame 2 comprises two montants 3 and across the many cross bars 4 in the middle of two montants 3, described side arm 1 comprises two montants 3, the upper end of two montants 3 of described side arm 1 links together by two montants 3 of hinge and after-frame 2, between two montants 3 of described side arm 1, be provided with plate body 5, described plate body 5 tops, below, the left side and the right are provided with card rail, between the bottom and upper segment of plate body 5, be provided with perpendicular chi 6, the two ends of described perpendicular chi 6 are fastened on respectively on the card rail of bottom and upper segment of plate body 5, between the left side of plate body 5 and the right, be provided with crossfoot 7, the two ends of described crossfoot 7 are fastened on respectively on the left side of plate body 5 and the card rail on the right, described crossfoot 7 and perpendicular chi 6 are provided with graduation mark, described plate body 5 is sandwich construction, plate body comprises panel layer 51, adsorption layer 52 and backsheet layer 53, the surface uniform of panel layer 51 and backsheet layer 53 offers the micropore 55 that diameter is less than 1mm, adsorption layer 52 is active carbon layer, between described panel layer 51 and backsheet layer 53, be provided with supporting construction.Active carbon in adsorption layer 52 can also can absorb extraneous moisture by the micropore 55 absorption dust on panel layer 51 and backsheet layer 53 simultaneously, prevents panel layer 51 moisture regain, affects writing of teaching person.
Feature of the present utility model is, the two ends of described crossfoot 7 and perpendicular chi 6 are equipped with pulley, and pulley is fastened in card rail.
Feature of the present utility model is, the below of described plate body 5 is provided with shelf 8, and described shelf 8 is fixed between two montants 3 of side arm 1.
Feature of the present utility model is, described supporting construction is panel layer 51 flaggy 53 reinforcing prop 54 extending longitudinally of supporting or opposing.The setting of reinforcing prop 54, can increase the intensity between panel layer 51 and backsheet layer 53, thereby increases the bulk strength of plate body, extends the service life of plate body.
Consult Fig. 1 and Fig. 2, structural representation for a kind of junior middle school Chinese blackboard for teaching of the utility model, comprise side arm 1 and after-frame 2, described after-frame 2 comprises two montants 3 and across the many cross bars 4 in the middle of two montants 3, described side arm 1 comprises two montants 3, the upper end of two montants 3 of described side arm 1 links together by two montants 3 of hinge and after-frame 2, between two montants 3 of described side arm 1, be provided with plate body 5, described plate body 5 tops, below, the left side and the right are provided with card rail, between the bottom and upper segment of plate body 5, be provided with perpendicular chi 6, the two ends of described perpendicular chi 6 are fastened on respectively on the card rail of bottom and upper segment of plate body 5, between the left side of plate body 5 and the right, be provided with crossfoot 7, the two ends of described crossfoot 7 are fastened on respectively on the left side of plate body 5 and the card rail on the right, described crossfoot 7 and perpendicular chi 6 are provided with graduation mark.Particularly, the two ends of described crossfoot 7 and perpendicular chi 6 are equipped with pulley, and pulley is fastened in card rail.Like this, when blackboard does not need to use, side arm and after-frame can not drawn in, be easy to carry like this and take in, not take up room.When needs are used blackboard, side arm and after-frame are launched, can on plate body, write.Plate body is provided with crossfoot and perpendicular chi simultaneously, and crossfoot and perpendicular chi can up and down or left and right slide, more carefully and neatly done while being conducive to teacher's writing on the blackboard, are also conducive to teacher draw square or straight line when writing on the blackboard simultaneously.Active carbon in adsorption layer 52 can also can absorb extraneous moisture by the micropore 55 absorption dust on panel layer 51 and backsheet layer 53 simultaneously, prevents panel layer 51 moisture regain, affects writing of teaching person.
While using for the ease of the utility model, place the little article such as blackboard brush, chalk, the utility model is provided with the region of putting thing below plate body.The below of described plate body 5 is provided with shelf 8, and described shelf 8 is fixed between two montants 3 of side arm 1.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, the in the situation that General Principle as defined herein can be within not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be limited to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the widest consistent scope.
Claims (4)
1. a junior middle school Chinese blackboard for teaching, comprise side arm and after-frame, it is characterized in that: described after-frame comprises two montants and across many cross bars in the middle of two montants, described side arm comprises two montants, the upper end of two montants of described side arm links together by two montants of hinge and after-frame, between two montants of described side arm, be provided with plate body, the top of described plate body, below, the left side and the right are provided with card rail, between the bottom and upper segment of plate body, be provided with perpendicular chi, the two ends of described perpendicular chi are fastened on respectively on the card rail of bottom and upper segment of plate body, between the left side of plate body and the right, be provided with crossfoot, the two ends of described crossfoot are fastened on respectively on the left side of plate body and the card rail on the right, described crossfoot and perpendicular chi are provided with graduation mark, described plate body is sandwich construction, plate body comprises panel layer, adsorption layer and backsheet layer, the surface uniform of panel layer and backsheet layer offers the micropore that diameter is less than 1mm, adsorption layer is active carbon layer, between described panel layer and backsheet layer, be provided with supporting construction.
2. junior middle school Chinese blackboard for teaching according to claim 1, is characterized in that: the two ends of described crossfoot and perpendicular chi are provided with pulley, and pulley is fastened in card rail.
3. junior middle school Chinese blackboard for teaching according to claim 1, is characterized in that: the below of described plate body is provided with shelf, and described shelf is fixed between two montants of side arm.
4. junior middle school Chinese blackboard for teaching according to claim 1, is characterized in that: described supporting construction is the panel layer flaggy reinforcing prop extending longitudinally of supporting or opposing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626630.0U CN203483119U (en) | 2013-10-11 | 2013-10-11 | Blackboard for Chinese teaching in junior high school |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626630.0U CN203483119U (en) | 2013-10-11 | 2013-10-11 | Blackboard for Chinese teaching in junior high school |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483119U true CN203483119U (en) | 2014-03-19 |
Family
ID=50253993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320626630.0U Expired - Fee Related CN203483119U (en) | 2013-10-11 | 2013-10-11 | Blackboard for Chinese teaching in junior high school |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483119U (en) |
-
2013
- 2013-10-11 CN CN201320626630.0U patent/CN203483119U/en not_active Expired - Fee Related
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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: 20140319 Termination date: 20191011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |