CN106042730B - A kind of blackboard - Google Patents
A kind of blackboard Download PDFInfo
- Publication number
- CN106042730B CN106042730B CN201610451533.0A CN201610451533A CN106042730B CN 106042730 B CN106042730 B CN 106042730B CN 201610451533 A CN201610451533 A CN 201610451533A CN 106042730 B CN106042730 B CN 106042730B
- Authority
- CN
- China
- Prior art keywords
- blackboard
- plate body
- motion bar
- bar
- lever
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to teaching aid field there is provided a kind of blackboard, the blackboard includes blackboard body, mounting bracket and angle control mechanism.Blackboard body is strip, including the first plate body and two the second plate bodys for being articulated with the first plate body opposite edges, the second plate body respectively positioned at blackboard body length direction two ends；First plate body is connected with mounting bracket；Angle control mechanism includes telescopic component, and telescopic component has the first connection end and the second connection end that can be close to each other and remote, wherein, the first connection end is hinged with the first plate body, and the second connection end is hinged with the second plate body.This blackboard that the present invention is provided, which can be realized, to be moved up and down and moves left and right, and can also carry out left and right turnover, helps student to see blackboard content clearly, is mitigated teacher's muscle power, blackboard utilization rate is improved, so as to improve the quality of teaching.
Description
Technical field
The present invention relates to teaching aid technical field, it particularly relates to a kind of blackboard.
Background technology
At present, blackboard used of imparting knowledge to students is fixed, and due to reflective, the classmate for being sitting in classroom both sides is frequent
The content on Chu's blackboard is not seen, had so both been unfavorable for learning efficiency or had been unfavorable for student eyesight, blackboard is fixed in addition, always
The limited area that teacher can write, blackboard is not made full use of, has not only been added the muscle power of teacher but also has been wasted write area.
The content of the invention
It is an object of the invention to provide a kind of blackboard, the blackboard is intended to help student farthest to see clearly in blackboard
Hold, improve blackboard volume utilization, mitigate teacher's muscle power, so as to improve the quality of teaching.
What the present invention was realized in：
A kind of blackboard, including blackboard body, mounting bracket and angle control mechanism, blackboard body are elongated, blackboard body
Two the second plate bodys including the first plate body and the opposite edges for being articulated with the first plate body, the second plate body is located at blackboard sheet respectively
The two ends of the length direction of body；Mounting bracket is connected with the first plate body；Angle control mechanism includes telescopic component, and telescopic component has
The first connection end and the second connection end that can be close to each other and remote, the first connection end be hinged with the first plate body, the second connection
End is hinged with the second plate body.
Further, in preferred embodiments of the present invention, telescopic component includes the first motion bar and the being flexibly connected
Two motion bars, and for keeping the lock piece of first motion bar and the second motion bar geo-stationary；First activity
One end of remote second motion bar of bar is the first connection end, and one end away from the first motion bar of the second motion bar is the
Two connection ends.
Further, in preferred embodiments of the present invention, the first motion bar has movable chamber, and the second activity bar part is embedding
Located at movable chamber, the second motion bar has multiple positioning holes, length direction interval of multiple positioning holes along second motion bar
Set, the side wall of the first motion bar has the pilot hole connected with movable chamber, lock piece includes removable pin, and removable pin activity is embedded
In pilot hole and positioning hole.
Further, in preferred embodiments of the present invention, in addition to controlling organization is folded, folding controlling organization includes moving
The connection member of power input mechanism, power take-off mechanism and connection power input mechanism and power take-off mechanism, power input
Mechanism is installed on second plate body, and power take-off mechanism is installed on the lateral wall of first motion bar.
Further, in preferred embodiments of the present invention, power input mechanism includes the first lever and the first support frame,
First support frame is fixed on the second plate body, and the first lever is hinged with the first support frame；Power take-off mechanism include the second lever and
Second support frame, the second support frame is fixed on the lateral wall of the first motion bar, and the second lever is hinged with the second support frame；First thick stick
The two ends of bar are respectively power intake and the first power transmission end, the two ends of the second lever be respectively the second power transmission end and
Clutch end, clutch end is hinged with removable pin, and connection member includes at least one connecting rod, and the two ends of connecting rod are respectively with the
One power transmits end and the second power transmission end is hinged.
Further, in preferred embodiments of the present invention, folding controlling organization also includes return springs, Flexible Reset
The two ends of part are connected with the second lever and the first motion bar respectively.
Further, in preferred embodiments of the present invention, return springs are extension spring, the two ends difference of return springs
It is connected with clutch end and the first motion bar.
Further, in preferred embodiments of the present invention, mounting bracket includes what is set along the length direction of blackboard body
Multiple first slide bars, every first slide bar has the first slide rail that the length direction along the first slide bar is set, and the first plate body is right
The position of the first slide bar is answered to be provided with the first sliding part that multiple activities are embedded in the first slide rail.
Further, in preferred embodiments of the present invention, mounting bracket also includes setting along the width of blackboard body
Multiple second slide bars, every second slide bar has the second slide rail that the length direction along the second slide bar is set, and the first slide bar exists
The position of the second slide bar of correspondence is provided with the second sliding part that multiple activities are embedded in the second slide rail.
Further, in preferred embodiments of the present invention, mounting bracket also includes fixed pulley, bracing wire and balanced body, fixed sliding
Wheel rotates the end for being installed on the second slide bar, and bracing wire is wound in the race of fixed pulley, and one end of bracing wire is connected with the first slide bar,
The other end of bracing wire is connected with balanced body.
The beneficial effects of the invention are as follows：The blackboard that the present invention is obtained by above-mentioned design, can realize left and right turnover.This is black
Plate can effectively solve the problem that the problem of student for being sitting in classroom both sides can't see and do not see blackboard content, additionally it is possible to mitigate teacher's
Muscle power, farthest using blackboard volume, so as to improve the quality of teaching.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiment of the present invention, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the blackboard body front view that embodiment of the present invention 1 is provided；
Fig. 2 is the rearview for the blackboard that embodiment of the present invention 1 is provided；
Fig. 3 is the top view for the blackboard that embodiment of the present invention 1 is provided；
Fig. 4 is the enlarged drawing for the a-quadrant that embodiment of the present invention 1 is provided；
Fig. 5 is the angle control mechanism that embodiment of the present invention 1 is provided and the partial schematic diagram for folding controlling organization；
Fig. 6 is that embodiment of the present invention 1 angle control mechanism provided and the part for folding controlling organization motion state are shown
It is intended to；
Fig. 7 is the enlarged drawing in the B regions that embodiment of the present invention 1 is provided；
Fig. 8 is the right view for the blackboard that embodiment of the present invention 2 is provided.
Scheming acceptance of the bid note is respectively：Blackboard 100, blackboard body 110, the first plate body 111, the second plate body 112, installing plate 113,
Fold controlling organization 120, the first lever 121, the first support frame 122, connection member 123, the second lever 124, the second support frame
125, return springs 126, angle control mechanism 130, the first motion bar 131, the second motion bar 132, lock piece 133, positioning
Hole 134, pilot hole 135, mounting bracket 140, the first slide bar 141, the second slide bar 142, the 3rd support frame 143,243, fixed pulley
145th, 245, bracing wire 146,246, balanced body 147,247, wall surface fixture 150.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, below in conjunction with present invention implementation
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings, which is not intended to limit, wants
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
Embodiment 1, referring to figs. 1 to shown in Fig. 7,
Present embodiments provide a kind of blackboard 100, including blackboard body 110, folding controlling organization 120, angle control machine
Structure 130 and mounting bracket 140.
Referring to Fig. 1, blackboard body 110 is set as strip, blackboard body 110 includes one piece of first plate body 111 and two
The second plate body of block 112, is the second plate body 112, the first plate body along the order that its length direction of blackboard body 110 is sequentially connected
111 and second plate body 112.
The shape of first plate body 111 and the second plate body 112 is set as strip.Blackboard body 110, the first plate body 111
It is not particularly limited with the length and height of the second plate body 112, preferably, in the present embodiment, the length of blackboard body 110
Degree and the ratio of height are set as 7：4；The length of first plate body 111 and the ratio of height are set as 3：4；Second plate body 112
The ratio of length and height is set as 1：2.The length and the length equal to blackboard body 110 of first plate body 111 and the second plate body 112
The width of degree, the first plate body 111 and the second plate body 112 is identical with blackboard body 110.
The material of blackboard body 110 is not particularly limited, can be using answering that alloy-steel plate or other new materials are made
Plywood.
Referring to Fig. 1, two piece of second plate body 112 is located at two opposite edges of the first plate body 111, the second plate body 112 can
Rotated relative to the first plate body 111.The connected mode of second plate body 112 and the first plate body 111 is not particularly limited, at this
In embodiment, preferably, being hinged using hinge to the first plate body 111 and the second plate body 112.In the present embodiment, two
The size of the second plate body of block 112 is identical, and is in symmetrically to be connected to the left and right sides of the second plate body 112.
Referring to Fig. 2, the back side of the second plate body 112, which is set, folds controlling organization 120.When being turned down, folding control is pressed
Mechanism 120 processed, the second plate body 112 is ejected, and the second plate body 112 is turned down towards the first plate body 111 clockwise or counterclockwise.The
Two plate bodys 112 are not specifically limited relative to the turnover angle of the first plate body 111, in the present embodiment, preferably, the second plate
Body 112 is 0 °~15 ° relative to the turnover angular range of the first plate body 111.
Referring to Fig. 3, the turnover of the second plate body 112 is the angle control mechanism by being arranged on the back side of blackboard body 110
130 and fold controlling organization 120 realize.
In the present embodiment, the quantity of angle control mechanism 130 and folding controlling organization 120 is respectively two, each
Angle control mechanism 130 and each folding controlling organization 120 are that a combination is used in combination.Due to angle control in two combinations
Mechanism 130 processed and the folding structure of controlling organization 120 are identical with connected mode, in order to avoid repeating, now with regard to one of those
Combination is illustrated.
Fig. 3 and Fig. 4 are referred to, angle control mechanism 130 is located between mounting bracket 140 and blackboard body 110.
Fig. 3 and Fig. 5 are referred to, angle control mechanism 130 includes the first motion bar 131 and the second motion bar 132, the first plate
Installing plate 113 is provided with body 111.Installing plate 113 prolongs from the end of the first plate body 111 to the direction away from the first plate body 111
Stretch, and the plane where the back side of the plate body 111 of installing plate 113 and first has certain interval, when the first plate body 111 and second
When the angle of plate body 112 is 0 °, 113 and second plate body of installing plate 112 so maintains certain interval, in order to store angle control
Mechanism 130 processed.One end of first motion bar 131 is hinged with installing plate 113, the other end of the first motion bar 131 and the second activity
Bar 132 is flexibly connected, and one end of the second motion bar 132 is hinged with the second plate body 112, the other end of the second motion bar 132 and
One motion bar 131 is flexibly connected, and is hinged articulated elements used and is not particularly limited.
Fig. 5 and Fig. 6 are referred to, the first motion bar 131 and the second motion bar 132 are distinguished in a tubular form, the first motion bar 131
Divide and be set on the second motion bar 132.First motion bar 131 offers pilot hole 135 on the side wall away from the first plate body 111,
Lock piece 133 is provided with pilot hole 135, the effect of lock piece 133 is to be used to keep the first motion bar 131 and the second activity
The geo-stationary of bar 132.The selection of lock piece 133 is not particularly limited, in the present embodiment, and lock piece 133 is removable pin.Lock
Stop member 133 is by pilot hole 135, and one end is arranged on the inner side of the first motion bar 131, and the other end is arranged on the first motion bar 131
Outside.Offered on second motion bar 132 along its length direction successively spaced multiple positioning holes 134, positioning
The size in hole 134 can just be embedded in by lock piece 133 and is defined.
Fig. 3 and Fig. 5 are referred to, it is two parts to fold 120 points of controlling organization, and Part I is power input mechanism, the
Two parts are power take-off mechanism.Power input mechanism includes the first lever 121 and the first support frame 122.Power take-off mechanism
Including the second lever 124 and the second support frame 125.Power input mechanism is connected with power take-off mechanism by connection member 123,
The selection of connection member 123 is not particularly limited, in the present embodiment, preferably, connection member 123 is lever, connecting portion
The quantity of part 123 is not specifically limited, and can be one, or many be hinged successively.
One end of first support frame 122 is fixed on the second plate body 112, and the other end is cut with scissors as fulcrum with the first lever 121
Connect, the first lever 121 is used as power intake, the other end and connection member 123 close to one end of the outer ledge of the second plate body 112
One end be hinged, one end of the other end of connection member 123 and the second lever 124 is hinged.Second lever 124 is in bending, the
One end of two support frames 125 is fixedly connected on the first motion bar 131, and the other end is cut with scissors as fulcrum with the second lever 124
Connect, one end that the one end of the second lever 124 away from connection member 123 is located at the outside of the first motion bar 131 with lock piece 133 connects
Connect, one end of return springs 126 is connected on the first motion bar 131, and the other end is connected on the second lever 124, reset bullet
Property part 126 specific selection be not especially limited, in the present embodiment, preferably, return springs 126 be extension spring, it is necessary to
Illustrate, all articulated elements for being hinged use here are not particularly limited.
Fig. 5 and Fig. 6 please be participate in, it is by such a way to fold driving of the controlling organization 120 to angle control mechanism 130
Realize：The connection end of first lever 121 and connection member 123 is set to the first power transmission end, connection member 123 and second
The connection end of lever 124 is set to the second power transmission end, and the connection end of the second lever 124 and lock piece 133 is set to power
Output end.One active force towards mounting bracket of power intake is given first, and by the effect of lever principle, active force is delivered to
First power transmits end, produces an opposite effect power F1, and directed force F 1 is transmitted by the power of connection member 123 to the second
End, 1 pair of second power transmission end of directed force F is acted, and is acted on by the lever principle of the second lever 124, in power output
End produces a power F2 opposite with directed force F 1, drives lock piece 133 to be directed away from the motion of the direction of the first motion bar 131,
Lock piece 133 is located at one end disengaging positioning hole 134 of the inner side of the first motion bar 131, at this moment, return springs in the presence of F2
126 are also stretched under F2 drive.When the active force of power intake disappears, the F2 effects of clutch end also can be subsequent
Disappear, at this moment, return springs 126 can drive the second lever 124 to be moved close to the first motion bar 131 under elastic force effect, lock
Stop member 133 is embedded in next positioning hole 134 immediately, and at this moment the second plate body 112 relatively rotates with the first plate body 111.
Referring to Fig. 2, mounting bracket 140 is made up of the first slide bar 141 and the second slide bar 142, the first slide bar 141 and the first plate
Body 111 is slidably connected, and the second slide bar 142 is slidably connected with the first slide bar 141.
Referring to Fig. 2, the first slide bar 141 is set to horizontal positioned, the quantity of the first slide bar 141 is not particularly limited,
In the present embodiment, preferably, the quantity of the first slide bar 141 is set to two.Slide rail is provided with every first slide bar 141
(not shown), the length of the first slide bar 141 should be not more than the length of blackboard body 110.In the first plate body 111 and the first slide bar
141 positions corresponding section are provided with sliding part (not shown), and the selection of sliding part is not particularly limited, in the present embodiment, make
To be preferred, sliding part is pulley, and the set-up mode of sliding part is not specifically limited, including sliding part is arranged on axle bed by bearing
On, axle bed is fixedly mounted on the back side of the first plate body 111 again.Slide rail is provided with two identicals at the same position of left and right port
Fixed component (not shown), the effect of fixed component is to prevent sliding part from skidding off, and sliding part is embedded two fixed components in slide rail
Between, coordinate with slide rail and slide.The distance between two fixed components of slide rail are not particularly limited.
Referring to Fig. 2, the second slide bar 142 is vertically arranged, the quantity of the second slide bar 142 is not particularly limited, in this implementation
In example, preferably, the quantity of the second slide bar 142 is set to two.The length of second slide bar 142 is less than the first plate body 111
Highly, slide rail (not shown) is provided with the second slide bar 142, the position corresponding with the second slide bar 142 on the first slide bar 141
On be provided with sliding part (not shown), the selection of sliding part is not particularly limited, in the present embodiment, preferably, sliding part
For pulley, the set-up mode of the second sliding part is not specifically limited, including sliding part is arranged on axle bed by bearing, and axle bed is again
It is fixedly mounted on the first slide bar, sliding part is embedded in slide rail, coordinates with slide rail and slide.
When the second slide bar 142 is fixed on wall, the first slide bar 141 and blackboard body 110 can be slided vertically,
The first slide bar 141 and the geo-stationary of the second slide bar 142 are kept, blackboard body 110 can be slided along horizontal direction.Due to installing
The setting of frame 140, can easily mobile blackboard body 110.
Referring to Fig. 7, two relative inners of two second slide bars 142 are additionally provided with the driving machine of the first slide bar 141 of driving
Structure.Drive mechanism includes fixed 3rd support frame 143, fixed pulley 145, bracing wire 146 and balanced body 147.The shape of balanced body 147 is not
Make concrete restriction, in the present embodiment, balanced body 147 is shaft-like.3rd support frame 143 is arranged on the end of the second slide bar 142,
Fixed pulley 145 is fixedly installed on the 3rd support frame 143, and end here is not specifically limited, in the present embodiment, chooses top
Portion, one end of bracing wire 146 is connected with the first slide bar 141, and the other end is wound on fixed pulley 145 and is connected with balanced body 147.Balance
The weight of body 147 is identical with the weight of blackboard body 110.
It should be noted that the material of bracing wire 146 is not particularly limited, including stone dead wire etc..
The wall surface fixture 150 being fixed on metope is provided with second slide bar 142, the selection of wall surface fixture 150 is not
Make specific restriction, in the present embodiment, preferably, wall surface fixture 150 chooses hook, size, the shape of wall surface fixture 150
Shape and installation site are not specifically limited, and its material can be selected from stainless steel etc..
The blackboard structure that the present embodiment is provided is simple, it is easy to install, it is possible to achieve folds, moves left and right and move up and down,
The blackboard can effectively solve the problem that the problem of student for being sitting in classroom both sides can't see and do not see blackboard content, additionally it is possible to mitigate religion
The muscle power of teacher, farthest using blackboard volume, so as to improve the quality of teaching.
Embodiment 2, shown in reference picture 8,
The device that the embodiment of the present invention is provided, the technique effect and embodiment 1 of its realization principle and generation is identical, is letter
Describe, the present embodiment does not refer to part, refers to corresponding contents in embodiment 1.
The device obtained by above-mentioned design can meet the use of blackboard substantially, but in line with further improving its function
Objective, designer has carried out further improvement to the device.
In the present embodiment, drive mechanism includes the 3rd support frame 243, fixed pulley 245, bracing wire 246 and balanced body 247.Drive
Motivation structure is separately mounted to two opposite exterior lateral sides of two second slide bars 142.The shape of balanced body 247 is not specifically limited, at this
In embodiment, balanced body 247 is bulk, and the 3rd support frame 243 is arranged on the end of the second slide bar 142, and fixed pulley 245 is fixed and set
Put on the 3rd support frame 243, end here is not specifically limited, in the present embodiment, choose top, the one of bracing wire 246
End is connected with the first slide bar 141, and the other end is wound on fixed pulley 245 and is connected with balanced body 247.The gross weight of balanced body 247
It is identical with the weight of blackboard body 110.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
Any modification, equivalent substitution and improvements that skill is made etc., for should be included in the scope of the protection art personnel, this
Invention can have various modifications and variations.It is all this statement spirit and principle within.
Claims (6)
1. a kind of blackboard, it is characterised in that including blackboard body, mounting bracket and angle control mechanism, the blackboard body is in length
Bar shaped, the blackboard body includes the first plate body and is articulated with two the second plate bodys of the opposite edges of first plate body,
Second plate body is located at the two ends of the length direction of the blackboard body respectively；The mounting bracket connects with first plate body
Connect；The angle control mechanism includes telescopic component, and the telescopic component has the first connection that can be close to each other and remote
End and the second connection end, first connection end are hinged with first plate body, second connection end and second plate body
It is hinged, the telescopic component includes the first motion bar and the second motion bar being flexibly connected, and for keeping described first to live
The lock piece of lever and the second motion bar geo-stationary；One end of remote second motion bar of first motion bar
For first connection end, one end of remote first motion bar of second motion bar is second connection end, institute
Stating the first motion bar has movable chamber, and the second activity bar part is embedded at the movable chamber, and second motion bar has
Multiple positioning holes, length direction of multiple positioning holes along second motion bar is arranged at intervals, first motion bar
Side wall has the pilot hole connected with the movable chamber, and the lock piece includes removable pin, and the removable pin activity is embedded at institute
Pilot hole and the positioning hole are stated, the blackboard also includes folding controlling organization, and the folding controlling organization is inputted including power
Mechanism, power take-off mechanism and the connection member for connecting the power input mechanism and the power take-off mechanism, it is described dynamic
Power input mechanism is installed on second plate body, and the power take-off mechanism is installed on the lateral wall of first motion bar, institute
Stating power input mechanism includes the first lever and the first support frame, and first support frame is fixed on second plate body, described
First lever is hinged with first support frame；The power take-off mechanism includes the second lever and the second support frame, described the
Two support frames are fixed on the lateral wall of first motion bar, and second lever is hinged with second support frame；Described
The two ends of one lever are respectively power intake and the first power transmission end, and the two ends of second lever are respectively the second power
End and clutch end are transmitted, the clutch end is hinged with the removable pin, the connection member includes at least one company
Bar, end is transmitted at the two ends of the connecting rod with first power respectively and second power transmission end is hinged.
2. blackboard according to claim 1, it is characterised in that the folding controlling organization also includes return springs, institute
The two ends for stating return springs are connected with second lever and first motion bar respectively.
3. blackboard according to claim 2, it is characterised in that the return springs are extension spring, the return springs
Two ends be connected respectively with the clutch end and the first motion bar.
4. blackboard according to claim 1, it is characterised in that the mounting bracket is included along the length side of the blackboard body
To multiple first slide bars of setting, every first slide bar has the first cunning that the length direction along first slide bar is set
Rail, first plate body is provided with that multiple activities are embedded in first slide rail in the position of correspondence first slide bar
One sliding part.
5. blackboard according to claim 4, it is characterised in that the mounting bracket also includes the width along blackboard body
Multiple second slide bars set, each second slide bar has the second cunning that the length direction along second slide bar is set
Rail, first slide bar is provided with that multiple activities are embedded in second slide rail in the position of correspondence second slide bar
Two sliding parts.
6. blackboard according to claim 5, it is characterised in that the mounting bracket also includes fixed pulley, bracing wire and balanced body,
The fixed pulley is rotatablely installed in the end of second slide bar, and the bracing wire is wound in the race of fixed pulley, the bracing wire
One end be connected with first slide bar, the other end of the bracing wire is connected with the balanced body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451533.0A CN106042730B (en) | 2016-06-21 | 2016-06-21 | A kind of blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451533.0A CN106042730B (en) | 2016-06-21 | 2016-06-21 | A kind of blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106042730A CN106042730A (en) | 2016-10-26 |
| CN106042730B true CN106042730B (en) | 2017-08-04 |
Family
ID=57167844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610451533.0A Expired - Fee Related CN106042730B (en) | 2016-06-21 | 2016-06-21 | A kind of blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106042730B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904871A1 (en) * | 1979-02-09 | 1980-08-14 | Neuland E & R Ohg | PANEL WITH A BASE MOUNTED ON THE PANEL |
| DE9216314U1 (en) * | 1992-12-01 | 1993-01-21 | Zeppelin Systemtechnik GmbH, 7600 Offenburg | Container with variable volume |
| CN202911380U (en) * | 2012-11-19 | 2013-05-01 | 旺苍县东河小学 | Foldable blackboard |
| CN204020318U (en) * | 2014-08-20 | 2014-12-17 | 钟如全 | Rotatable mobile blackboard |
| CN204222467U (en) * | 2014-11-18 | 2015-03-25 | 北京信息科技大学 | A kind of reflection-proof and adjustable for height blackboard |
| CN204774248U (en) * | 2015-07-16 | 2015-11-18 | 杨柳 | What be adapted to two class lyceums prevents that reflection of light is from erasing blackboard |
| CN205075575U (en) * | 2015-10-29 | 2016-03-09 | 舒月红 | Modular adjustable drawing board |
| CN205997576U (en) * | 2016-06-21 | 2017-03-08 | 张男 | A kind of blackboard |
-
2016
- 2016-06-21 CN CN201610451533.0A patent/CN106042730B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106042730A (en) | 2016-10-26 |
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