CN208615574U - Blackboard - Google Patents
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- Publication number
- CN208615574U CN208615574U CN201721433231.7U CN201721433231U CN208615574U CN 208615574 U CN208615574 U CN 208615574U CN 201721433231 U CN201721433231 U CN 201721433231U CN 208615574 U CN208615574 U CN 208615574U
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- CN
- China
- Prior art keywords
- elevating lever
- hinged
- arc
- display screen
- oled display
- 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 relates to a kind of blackboards, comprising: blackboard main body and the lifting device for going up and down the blackboard main body；The lifting device includes: pedestal, oil cylinder, first support bar, preceding first elevating lever, preceding second elevating lever, preceding third elevating lever, preceding 4th elevating lever, rear first elevating lever, rear second elevating lever, rear third elevating lever, rear 4th elevating lever, second support bar and workbench.Above-mentioned blackboard completes the adjustment to blackboard upper and lower position by a lifting device, and the user for facilitating different heights uses.
Description
Technical field
The utility model relates to educational aids, more particularly to blackboard.
Background technique
Before mankind's utility model text, it has been found that can be drawn a picture with charcoal.In some ancient times grottos of China
It can be found that some mural paintings in ancient times, the palisades for drawing these mural paintings have been properly termed as blackboard from traditional sense.
Middle Ages, it has been found that lime and water are mixed and made into block, hard in dark color with the method for being similar to charcoal pencil
Article surface write, to 19th century, people are coated in board surface with pitch-dark, to protect plank not to be etched, certainly at that time
The main function of blackboard not be teaching, until 19th century mid-term just all over the world, school comes into vogue.
In existing teaching process, blackboard be it is essential, teacher by by writing on the blackboard take passages on blackboard, to student
Carry out by teaching, blackboard be also Faculty and Students carry out information interaction an Important Platform.
But there are following technical problems for traditional blackboard:
Blackboard is fixed, and upper and lower position cannot adjust, and difference is convenient when using for the user of different heights.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide a kind of blackboard that can adjust position up and down.
A kind of blackboard, comprising: blackboard main body and the lifting device for going up and down the blackboard main body；The lifting device packet
Include: pedestal, oil cylinder, first support bar, preceding first elevating lever, preceding second elevating lever, preceding third elevating lever, preceding 4th elevating lever,
First elevating lever, rear second elevating lever, rear third elevating lever, rear 4th elevating lever, second support bar and workbench afterwards；Before described
First elevating lever and preceding second elevating lever are hinged；The preceding third elevating lever and preceding 4th elevating lever are hinged；Described first first liter
One end of one end and the first support bar for dropping bar is hinged, and one end of the other end and preceding 4th elevating lever is hinged；It is described
The other end of preceding 4th elevating lever and the second support bar are hinged；One end of preceding second elevating lever and pedestal hinge
It connects, one end of the other end and the preceding third elevating lever is hinged；The hinged workbench of the other end of the preceding third elevating lever；
First elevating lever and rear second elevating lever are hinged after described；Third elevating lever and rear 4th elevating lever are hinged after described；After described
The other end of one end of first elevating lever and the first support bar is hinged, one end hinge of the other end and rear 4th elevating lever
It connects；The other end of 4th elevating lever and the second support bar are hinged after described；One end of second elevating lever and described after described
Pedestal is hinged, and the other end of the other end and the rear third elevating lever is hinged；The hinged institute of the other end of third elevating lever after described
State workbench；There is first sliding groove on the pedestal；The first support bar can move along a straight line in the first sliding groove；Institute
Stating has second sliding slot on workbench；The second support bar can move along a straight line in the second sliding slot；The oil cylinder is solid
Determine on the base；Withstand the first support bar in the front end of the oil cylinder.
Above-mentioned blackboard completes the adjustment to blackboard upper and lower position by a lifting device, facilitates the use of different heights
Person uses.
The hinged place of preceding first elevating lever and preceding second elevating lever and described rear first in one of the embodiments,
The hinged place of elevating lever and rear second elevating lever has third support rod；The hinge of the preceding third elevating lever and preceding 4th elevating lever
Meeting place and the hinged place of the rear scattered elevating lever and rear 4th elevating lever has the 4th support rod；Preceding first elevating lever and
The hinged place of preceding 4th elevating lever and the hinged place of rear first elevating lever and rear 4th elevating lever have the 5th support rod；Institute
It states at the hinge of preceding second elevating lever and preceding third elevating lever and has with the hinged place of rear second elevating lever and rear third elevating lever
There is the 6th support rod.
The blackboard main body includes bracket base and arc OLED display screen in one of the embodiments,；The bracket
Pedestal has arc OLED display screen slot；The shape of the arc OLED display screen slot and the arc OLED display screen phase
Adaptation；The arc OLED display screen is inserted in the arc OLED display screen slot.
In one of the embodiments, it is characterized in that, the size of the arc OLED display screen is 55 cun.
The blackboard main body further includes arc OLED display screen protecting frame in one of the embodiments,；The arc
OLED display screen protecting frame includes the first frame, the second frame and third frame；First frame, the second frame and third side
Frame forms Qian font.
The arc OLED display screen protecting frame faces the surface coating electrophoretic coating of user directly in one of the embodiments,
Layer.
The surface coating powders of the arc OLED display screen protecting frame back to user spray in one of the embodiments,
Layer.
The bracket base and arc OLED display screen protecting frame are by aluminum alloy materials group in one of the embodiments,
At.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of blackboard provided by the embodiments of the present application.
Fig. 2 is one of the structural schematic diagram of lifting device in a kind of blackboard provided by the embodiments of the present application.
Fig. 3 is the second structural representation of lifting device in a kind of blackboard provided by the embodiments of the present application.
Fig. 4 is the structural schematic diagram of blackboard main body in a kind of blackboard provided by the embodiments of the present application.
Fig. 5 is the perspective view of the explosion of blackboard main body in a kind of blackboard provided by the embodiments of the present application.
Fig. 6 is the enlarged diagram in a kind of blackboard provided by the embodiments of the present application in blackboard main body at A.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 6, a kind of blackboard are arrived refering to fig. 1, comprising: blackboard main body 300 and the lifting dress for going up and down the blackboard main body
Set 100；
Refering to Fig. 2 and Fig. 3, the lifting device includes: pedestal 110, oil cylinder 120, first support bar 130, first liter first
Bar 140, preceding second elevating lever 150, preceding third elevating lever 160, preceding 4th elevating lever 170, rear first elevating lever 180, rear the drop
Two elevating levers 190, rear third elevating lever 200, rear 4th elevating lever 210, second support bar 220 and workbench 230.
Preceding first elevating lever and preceding second elevating lever are hinged.The preceding third elevating lever and preceding 4th elevating lever hinge
It connects.
One end of preceding first elevating lever and one end of the first support bar are hinged, the other end and first 4th liter described
The one end for dropping bar is hinged.
The other end of preceding 4th elevating lever and the second support bar are hinged.
One end of preceding second elevating lever and the pedestal are hinged, one end hinge of the other end and the preceding third elevating lever
It connects.The hinged workbench of the other end of the preceding third elevating lever.
First elevating lever and rear second elevating lever are hinged after described.Third elevating lever and rear 4th elevating lever hinge after described
It connects.
One end of first elevating lever and the other end of the first support bar are hinged after described, the other end and the described rear 4th
One end of elevating lever is hinged.The other end of 4th elevating lever and the second support bar are hinged after described；
One end of second elevating lever and the pedestal are hinged after described, the other end of the other end and the rear third elevating lever
Hingedly.The hinged workbench of the other end of third elevating lever after described.
There is first sliding groove 111 on the pedestal；The first support bar can move along a straight line in the first sliding groove.
There is second sliding slot 231 on the workbench；The second support bar can transport straight line in the second sliding slot
It is dynamic.
The oil cylinder is fixed on the base；Withstand the first support bar in the front end of the oil cylinder.
It will be appreciated by those skilled in the art that the lifting principle of the lifting device, with general shearing hoistable platform
Working principle is similar, and details are not described herein.
Above-mentioned blackboard completes the adjustment to blackboard upper and lower position by a lifting device, facilitates the use of different heights
Person uses.
In other one embodiment, the hinged place of preceding first elevating lever and preceding second elevating lever and it is described after the
The hinged place of one elevating lever and rear second elevating lever has third support rod 240；The preceding third elevating lever and preceding 4th lifting
The hinged place of bar and the hinged place of the rear scattered elevating lever and rear 4th elevating lever have the 4th support rod 250；Described preceding
The hinged place of one elevating lever and preceding 4th elevating lever and it is described after the hinged place of the first elevating lever and rear 4th elevating lever have the
Five support rods 260；At the hinge of preceding second elevating lever and preceding third elevating lever with it is described after the second elevating lever and rear third liter
The hinged place for dropping bar has the 6th support rod 270.
In this case, the structure of lifting device can be more stable.
Refering to Fig. 4 to Fig. 6, in other one embodiment, the blackboard main body includes bracket base 310 and arc
OLED display screen 320；The bracket base has arc OLED display screen slot 311；The arc OLED display screen slot
Shape is adapted with the arc OLED display screen；The arc OLED display screen is inserted in the arc OLED display screen slot
It is interior.
Preventing panel display screen only using arc OLED display screen, because the reflective of two sides can not see screen content clearly, has
Effect improves the display effect of blackboard.
In other one embodiment, which is characterized in that the size of the arc OLED display screen is 55 cun.It can manage
Solution, the size of the arc OLED display screen are not limited to 55 cun, can also be other sizes.
In other one embodiment, the blackboard main body further includes arc OLED display screen protecting frame；The arc
OLED display screen protecting frame includes the first frame 331, the second frame 332 and third frame 333；First frame, the second side
Frame and third frame form Qian font.
In other one embodiment, the surface coating electrophoresis that the arc OLED display screen protecting frame faces user directly is applied
The bed of material.
In other one embodiment, the surface coating powders of the arc OLED display screen protecting frame back to user spray
Coating.
Arc OLED display screen protecting frame is made using the electrophoretic surface processing mode of high quality on the surface for facing user directly
It is brighter, and in the powder coating back to the surface of user using low cost, not only met the aesthetic of television frame, but also drop
Low cost.
In other one embodiment, the bracket base and arc OLED display screen protecting frame are by aluminum alloy materials group
At.
Weight is reduced while keeping intensity using aluminum alloy materials.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of blackboard characterized by comprising blackboard main body and the lifting device for going up and down the blackboard main body；
The lifting device includes: pedestal, oil cylinder, first support bar, preceding first elevating lever, preceding second elevating lever, preceding third liter
Bar, preceding 4th elevating lever, rear first elevating lever, rear second elevating lever, rear third elevating lever, rear 4th elevating lever, second drop
Strut and workbench；
Preceding first elevating lever and preceding second elevating lever are hinged；The preceding third elevating lever and preceding 4th elevating lever are hinged；
One end of preceding first elevating lever and one end of the first support bar are hinged, the other end and preceding 4th elevating lever
One end it is hinged；The other end of preceding 4th elevating lever and the second support bar are hinged；
One end of preceding second elevating lever and the pedestal are hinged, and one end of the other end and the preceding third elevating lever is hinged；
The hinged workbench of the other end of the preceding third elevating lever；
First elevating lever and rear second elevating lever are hinged after described；Third elevating lever and rear 4th elevating lever are hinged after described；
One end of first elevating lever and the other end of the first support bar are hinged after described, the other end and rear 4th lifting
One end of bar is hinged；The other end of 4th elevating lever and the second support bar are hinged after described；
One end of second elevating lever and the pedestal are hinged after described, the other end hinge of the other end and the rear third elevating lever
It connects；The hinged workbench of the other end of third elevating lever after described；
There is first sliding groove on the pedestal；The first support bar can move along a straight line in the first sliding groove；
There is second sliding slot on the workbench；The second support bar can move along a straight line in the second sliding slot；
The oil cylinder is fixed on the base；Withstand the first support bar in the front end of the oil cylinder.
2. blackboard according to claim 1, which is characterized in that
The hinged place of preceding first elevating lever and preceding second elevating lever and it is described after the first elevating lever and rear second elevating lever
Hinged place has third support rod；
The hinged place of the preceding third elevating lever and preceding 4th elevating lever and it is described after scattered elevating lever and rear 4th elevating lever
Hinged place has the 4th support rod；
The hinged place of preceding first elevating lever and preceding 4th elevating lever and it is described after the first elevating lever and rear 4th elevating lever
Hinged place has the 5th support rod；
The hinged place of preceding second elevating lever and preceding third elevating lever and it is described after the second elevating lever and rear third elevating lever
Hinged place has the 6th support rod.
3. blackboard according to claim 1, which is characterized in that
The blackboard main body includes bracket base and arc OLED display screen；
The bracket base has arc OLED display screen slot；The shape of the arc OLED display screen slot and the arc
OLED display screen is adapted；The arc OLED display screen is inserted in the arc OLED display screen slot.
4. blackboard according to claim 3, which is characterized in that the size of the arc OLED display screen is 55 cun.
5. blackboard according to claim 3, which is characterized in that the blackboard main body further includes the protection of arc OLED display screen
Frame；The arc OLED display screen protecting frame includes the first frame, the second frame and third frame；First frame, second
Frame and third frame form Qian font.
6. blackboard according to claim 5, which is characterized in that the arc OLED display screen protecting frame faces the table of user directly
Face coats electrophoretic coating layer.
7. blackboard according to claim 5, which is characterized in that table of the arc OLED display screen protecting frame back to user
Face coating powders spray coating.
8. blackboard according to claim 5, which is characterized in that the bracket base and arc OLED display screen protecting frame by
Aluminum alloy materials composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433231.7U CN208615574U (en) | 2017-10-30 | 2017-10-30 | Blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433231.7U CN208615574U (en) | 2017-10-30 | 2017-10-30 | Blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208615574U true CN208615574U (en) | 2019-03-19 |
Family
ID=65688415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721433231.7U Expired - Fee Related CN208615574U (en) | 2017-10-30 | 2017-10-30 | Blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208615574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996019A (en) * | 2019-04-03 | 2019-07-09 | 创维光电科技(深圳)有限公司 | A kind of liftable OLED TV |
| CN111326029A (en) * | 2020-03-17 | 2020-06-23 | 郑州工程技术学院 | Word card display device is used in japanese teaching |
-
2017
- 2017-10-30 CN CN201721433231.7U patent/CN208615574U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996019A (en) * | 2019-04-03 | 2019-07-09 | 创维光电科技(深圳)有限公司 | A kind of liftable OLED TV |
| CN109996019B (en) * | 2019-04-03 | 2021-07-27 | 创维光电科技(深圳)有限公司 | Liftable OLED TV |
| CN111326029A (en) * | 2020-03-17 | 2020-06-23 | 郑州工程技术学院 | Word card display device is used in japanese teaching |
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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: 20190319 Termination date: 20191030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |