CN204146667U - Pupil's Folding blackboard - Google Patents
Pupil's Folding blackboard Download PDFInfo
- Publication number
- CN204146667U CN204146667U CN201420074052.9U CN201420074052U CN204146667U CN 204146667 U CN204146667 U CN 204146667U CN 201420074052 U CN201420074052 U CN 201420074052U CN 204146667 U CN204146667 U CN 204146667U
- Authority
- CN
- China
- Prior art keywords
- framework
- biside plate
- bearing pin
- blackboard
- chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of pupil's Folding blackboard, it comprises three frameworks differed in size, each described framework all have two side plates and and top, the cylindrical crossbar composition that bottom is connected, described second framework is arranged on the inner side of described first framework and is connected by the biside plate of the biside plate of described first framework bottom with described second framework left end respectively by the first bearing pin, described 3rd framework is arranged on the outside of described first framework and is connected with the biside plate at described first framework upper 13 place respectively by the second bearing pin in the upper end of described 3rd framework, some semicircular arc recesses are provided with on the top of described second framework, in the mobilizable recess being arranged on described second framework of right-hand member cross bar of described 3rd framework, when described 3rd framework and described second framework upward deflect, described first framework, the biside plate of the second framework and the 3rd framework is overlapped, chute is respectively equipped with in the front end, top of described first framework biside plate, that slides in described chute is plugged with blackboard, adopt said structure, achieve floor space little, easy to carry, foldable is also applicable to the effect that family and outdoor location use.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of pupil's Folding blackboard.
Background technology
At present, frequent manipulative ability, thinking visionary and the writing ability using blackboard to cultivate pupil, but in use because existing blackboard area is comparatively large, foldable does not carry, and inapplicable family and outdoor moving place use.
Summary of the invention
It is little that the purpose of this utility model is to provide a kind of floor space, easy to carry, and foldable is also applicable to pupil's Folding blackboard that family and outdoor location use.
The technical solution of the utility model is a kind of pupil's Folding blackboard, it comprises three the first frameworks 1 differed in size, second framework 2 and the 3rd framework 3, it is characterized in that: each described framework all have two side plates and and top, the cylindrical crossbar composition that bottom is connected, described second framework 2 is arranged on the inner side of described first framework 1 and is connected by the biside plate of the biside plate of described first framework 1 bottom with described second framework 2 left end respectively by the first bearing pin 4, described 3rd framework 3 is arranged on the outside of described first framework 1 and is connected with the biside plate at described first framework 1 top 13 place respectively by the second bearing pin 6 in the upper end of described 3rd framework 3, groove 13 is provided with on the top of described second framework 2, some semicircular arc recesses 5 are provided with at the upper surface of described groove 13, in the mobilizable recess 5 being arranged on described second framework 2 of the right-hand member cross bar of described 3rd framework 3, described 3rd framework 3 and described second framework 2 are respectively when the second bearing pin 6 and the first bearing pin 4 upward deflect, described first framework 1, the biside plate of the second framework 2 and the 3rd framework 3 is overlapped and the sheer pole of described 3rd framework 3 and described first framework 1 cross tube is separately positioned in the recess 5 of described second framework 2, chute 7 is respectively equipped with in the front end, top of described first framework 1 biside plate, that slides in described chute 7 is plugged with blackboard 9.
The technical solution of the utility model can also be provided with advance ball 8 on the sidewall of described second framework 2 biside plate chute 7.
The technical solution of the utility model can also be provided with self-thread gluing 10 on the cross bar of described second framework 2 left end, and the lower end of described self-thread gluing 10 is provided with pouch 11.
The technical solution of the utility model can also be provided with elastic straps 12 between the lower end of described blackboard 9 and the chute 7 of described second framework 2.
The beneficial effects of the utility model be each described framework is all designed by two side plates and and top, the cylindrical crossbar composition that bottom is connected, described second framework 2 is arranged on the inner side of described first framework 1 and is connected by the biside plate of the biside plate of described first framework 1 bottom with described second framework 2 left end respectively by the first bearing pin 4, described 3rd framework 3 is arranged on the outside of described first framework 1 and is connected with the biside plate at described first framework 1 top 13 place respectively by the second bearing pin 6 in the upper end of described 3rd framework 3, groove 13 is provided with on the top of described second framework 2, some semicircular arc recesses 5 are provided with at the upper surface of described groove 13, in the mobilizable recess 5 being arranged on described second framework 2 of the right-hand member cross bar of described 3rd framework 3, described 3rd framework 3 and described second framework 2 are respectively when the second bearing pin 6 and the first bearing pin 4 upward deflect, described first framework 1, the biside plate of the second framework 2 and the 3rd framework 3 is overlapped and the sheer pole of described 3rd framework 3 and described first framework 1 cross tube is separately positioned in the recess 5 of described second framework 2, chute 7 is respectively equipped with in the front end, top of described first framework 1 biside plate, that slides in described chute 7 is plugged with blackboard 9, when blackboard is launched, first by the first framework 1 slant setting, first bearing pin 4 of the second framework 2 on the first framework 1 deflects, the second framework 2 is made to deflect to close to horizontal positioned, then the 3rd framework 3 to be deflected and sheer pole on the 3rd framework 3 is placed in the recess 5 of the second framework 2 around the second bearing pin 6, position in the recess 5 that the sheer pole adjusted on the 3rd framework 3 is placed on the second framework 2, the angle of inclination of adjustable first framework 1, then blackboard 9 is plugged in the chute 7 of the first framework 1 biside plate, according to leg-of-mutton stability principle, like this through the blackboard i.e. stable but also adjustable tilt angle of folding and expanding, easy to use, when Folding blackboard, 3rd framework 3 deflected around the second bearing pin 6 and the side plate of the 3rd framework 3 is deflected to overlapping with the side plate of the first framework 1, then the second framework 2 being deflected and the side plate of the second framework 2 is overlapping with the side plate of above-mentioned first framework 1 and the side plate of the 3rd framework 3 around the first bearing pin 4, namely by described 3rd framework 3 and described second framework 2 respectively when the second bearing pin 6 and the first bearing pin 4 upward deflect, described first framework 1, the biside plate of the second framework 2 and the 3rd framework 3 is overlapped and the sheer pole of described 3rd framework 3 and described first framework 1 cross tube is separately positioned in the recess 5 of described second framework 2, then by being provided with elastic straps 12 between the lower end of blackboard 9 and the chute 7 of described second framework 2, Folding blackboard is fixed, achieve floor space little, easy to carry, foldable is also applicable to the effect that family and outdoor location use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the left view in Fig. 1
1, first framework in Fig. 1,2, the 2, second framework, the 3, the 3rd framework, the 4, first bearing pin, 5, recess, the 6, second bearing pin, 7, chute, 8, advance ball, 9, blackboard, 10, self-thread gluing, 11, pouch, 12, elastic straps, 13, groove.
Detailed description of the invention
According to Fig. 1, shown in 2, the utility model relates to a kind of pupil's Folding blackboard, it comprises three the first frameworks 1 differed in size, second framework 2 and the 3rd framework 3, each described framework all have two side plates and and top, the cylindrical crossbar composition that bottom is connected, described second framework 2 is arranged on the inner side of described first framework 1 and is connected by the biside plate of the biside plate of described first framework 1 bottom with described second framework 2 left end respectively by the first bearing pin 4, described 3rd framework 3 is arranged on the outside of described first framework 1 and is connected with the biside plate at described first framework 1 top 13 place respectively by the second bearing pin 6 in the upper end of described 3rd framework 3, groove 13 is provided with on the top of described second framework 2, some semicircular arc recesses 5 are provided with at the upper surface of described groove 13, in the mobilizable recess 5 being arranged on described second framework 2 of the right-hand member cross bar of described 3rd framework 3, described 3rd framework 3 and described second framework 2 are respectively when the second bearing pin 6 and the first bearing pin 4 upward deflect, described first framework 1, the biside plate of the second framework 2 and the 3rd framework 3 is overlapped and the sheer pole of described 3rd framework 3 and described first framework 1 cross tube is separately positioned in the recess 5 of described second framework 2, chute 7 is respectively equipped with in the front end, top of described first framework 1 biside plate, the sidewall of described second framework 2 biside plate chute 7 is provided with advance ball 8, that slides in described chute 7 is plugged with blackboard 9, between the lower end of described blackboard 9 and the chute 7 of described second framework 2, elastic straps 12 is installed, when blackboard is launched, first by the first framework 1 slant setting, first bearing pin 4 of the second framework 2 on the first framework 1 deflects, the second framework 2 is made to deflect to close to horizontal positioned, then the 3rd framework 3 to be deflected and sheer pole on the 3rd framework 3 is placed in the recess 5 of the second framework 2 around the second bearing pin 6, position in the recess 5 that the sheer pole adjusted on the 3rd framework 3 is placed on the second framework 2, the angle of inclination of adjustable first framework 1, then blackboard 9 is plugged in the chute 7 of the first framework 1 biside plate, according to leg-of-mutton stability principle, like this through the blackboard i.e. stable but also adjustable tilt angle of folding and expanding, easy to use, when Folding blackboard, 3rd framework 3 deflected around the second bearing pin 6 and the side plate of the 3rd framework 3 is deflected to overlapping with the side plate of the first framework 1, then the second framework 2 being deflected and the side plate of the second framework 2 is overlapping with the side plate of above-mentioned first framework 1 and the side plate of the 3rd framework 3 around the first bearing pin 4, namely by described 3rd framework 3 and described second framework 2 respectively when the second bearing pin 6 and the first bearing pin 4 upward deflect, described first framework 1, the biside plate of the second framework 2 and the 3rd framework 3 is overlapped and the sheer pole of described 3rd framework 3 and described first framework 1 cross tube is separately positioned in the recess 5 of described second framework 2, then by being provided with elastic straps 12 between the lower end of blackboard 9 and the chute 7 of described second framework 2, Folding blackboard is fixed, achieve floor space little, easy to carry, foldable is also applicable to the effect that family and outdoor location use.
Claims (4)
1. pupil's Folding blackboard, it comprises three the first frameworks (1) differed in size, second framework (2) and the 3rd framework (3), it is characterized in that: each described framework all have two side plates and and top, the cylindrical crossbar composition that bottom is connected, described second framework (2) is arranged on the inner side of described first framework (1) and is connected by the biside plate of the biside plate of described first framework (1) bottom with described second framework (2) left end respectively by the first bearing pin (4), described 3rd framework (3) is arranged on the outside of described first framework (1) and is connected with the biside plate at described first framework (1) top 13 place respectively by the second bearing pin (6) in the upper end of described 3rd framework (3), groove (13) is provided with on the top of described second framework (2), some semicircular arc recesses (5) are provided with at the upper surface of described groove (13), in the mobilizable recess (5) being arranged on described second framework (2) of right-hand member cross bar of described 3rd framework (3), described 3rd framework (3) and described second framework (2) are respectively when the second bearing pin (6) and the first bearing pin (4) upward deflect, described first framework (1), the biside plate of the second framework (2) and the 3rd framework (3) is overlapped and the described sheer pole of the 3rd framework (3) and the cross tube of described first framework (1) are separately positioned in the recess (5) of described second framework (2), chute (7) is respectively equipped with in the front end, top of described first framework (1) biside plate, that slides in described chute (7) is plugged with blackboard (9).
2. pupil's Folding blackboard according to claim 1, is characterized in that: on the sidewall of described second framework (2) biside plate chute (7), be provided with advance ball (8).
3. pupil's Folding blackboard according to claim 1 and 2, it is characterized in that: on the cross bar of described second framework (2) left end, be provided with self-thread gluing (10), the lower end of described self-thread gluing (10) is provided with pouch (11).
4. pupil's Folding blackboard according to claim 3, is characterized in that: be provided with elastic straps (12) between the lower end of described blackboard (9) and the chute (7) of described second framework (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074052.9U CN204146667U (en) | 2014-02-16 | 2014-02-16 | Pupil's Folding blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074052.9U CN204146667U (en) | 2014-02-16 | 2014-02-16 | Pupil's Folding blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204146667U true CN204146667U (en) | 2015-02-11 |
Family
ID=52504832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074052.9U Expired - Fee Related CN204146667U (en) | 2014-02-16 | 2014-02-16 | Pupil's Folding blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204146667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923202A (en) * | 2021-01-20 | 2021-06-08 | 重庆长教科技有限公司 | Multifunctional electronic whiteboard |
-
2014
- 2014-02-16 CN CN201420074052.9U patent/CN204146667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923202A (en) * | 2021-01-20 | 2021-06-08 | 重庆长教科技有限公司 | Multifunctional electronic whiteboard |
| CN112923202B (en) * | 2021-01-20 | 2022-07-26 | 重庆长教科技有限公司 | Multifunctional electronic whiteboard |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20160216 |