CN110889982A - Exhibition stand and electronic blackboard with same - Google Patents
Exhibition stand and electronic blackboard with same Download PDFInfo
- Publication number
- CN110889982A CN110889982A CN201911251465.3A CN201911251465A CN110889982A CN 110889982 A CN110889982 A CN 110889982A CN 201911251465 A CN201911251465 A CN 201911251465A CN 110889982 A CN110889982 A CN 110889982A
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- light
- vertical plate
- plate
- cavity
- electronic blackboard
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 230000005381 magnetic domain Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention belongs to the technical field of electronic blackboards, and particularly discloses a display stand which comprises a display stand body and a connecting part, wherein the display stand body comprises a transverse plate and a vertical plate, the transverse plate is rotatably connected to the lower side of the vertical plate, and the transverse plate can be rotatably connected with the vertical plate; the transverse plate is of a hollow structure, an opening is formed in the upper surface of the transverse plate, a light-transmitting plate is arranged at the opening, a first light-emitting piece is arranged inside the transverse plate, and the irradiation direction of the first light-emitting piece faces towards the light-transmitting plate; a second light-emitting piece is arranged on the upper side of the vertical plate, and the irradiation direction of the second light-emitting piece faces to the light-transmitting plate; the connecting portion can be connected the diaphragm and the riser of stand body. The exhibition stand with the structure can solve the problems that in the prior art, the layout of the electronic blackboard embedded exhibition stand is unreasonable, the projection effect is poor, the light is not good, and the shadow appears in the projected picture.
Description
Technical Field
The invention belongs to the technical field of electronic blackboards, and particularly relates to a display stand.
Background
In order to increase the vividness and richness of a classroom, the existing teaching classroom is not only provided with a blackboard, but also provided with corresponding multimedia for projection, and a courseware made on a computer is projected to the multimedia for students to watch. However, the teacher can only make the relevant courseware in advance, if the teacher aims at the pictures and texts on the teaching materials or the test paper, and if the teacher makes the pictures and texts into a lecture, the idle time of the teacher is greatly wasted.
In the prior art, teaching materials or test papers are placed on a display stand, and then the content of the teaching materials or the test papers on the display stand is directly projected by using projection equipment, but the projection effect is not good, and shadow appears in a projected picture due to poor light.
Disclosure of Invention
The invention aims to provide a display stand to solve the problems that in the prior art, due to the fact that the layout of the display stand embedded in an electronic blackboard is unreasonable, the projection effect is poor, light is poor, and shadows appear in a projected picture.
In order to achieve the purpose, the technical scheme of the invention is as follows: a display stand comprises a display stand body and a connecting part, wherein the display stand body comprises a transverse plate and a vertical plate, the transverse plate is rotatably connected to the lower side of the vertical plate, and the transverse plate can be rotatably connected with the vertical plate; the transverse plate is of a hollow structure, an opening is formed in the upper surface of the transverse plate, a light-transmitting plate is arranged at the opening, a first light-emitting piece is arranged inside the transverse plate, and the irradiation direction of the first light-emitting piece faces towards the light-transmitting plate; a second light-emitting piece is arranged on the upper side of the vertical plate, and the irradiation direction of the second light-emitting piece faces to the light-transmitting plate; the connecting portion can be connected the diaphragm and the riser of stand body.
Further, the connecting portion is including locating the first magnet on the diaphragm, the region that the riser corresponds with first magnet is the mutual magnetic domain that can attract with first magnet each other.
Furthermore, a cross rod rotatably connected with the vertical plate is arranged on the upper side of the vertical plate, and the second light-emitting piece is fixed on the cross rod; the cross rod and the second luminous piece are embedded into the vertical plate.
Further, the light-passing board is white acrylic board, first luminous component and second luminous component are the LED lamp, first luminous component and second luminous component number are a plurality of.
Further, the lower surface of diaphragm is the inclined plane, the thickness that the riser one side was kept away from to the diaphragm is less than the thickness of opposite side, the diaphragm can be accomodate in the riser.
② acrylic also called special-treated organic glass has excellent light transmission, the light transmission of the acrylic can reach more than 92%, the required light intensity is small, the electric energy is saved, the inclined plate is arranged on the lower surface of the ③ transverse plate, so that the levelness of the upper surface of the transverse plate relative to the vertical plate can be further ensured, the ④ transverse plate can be connected with the vertical plate after rotating, and the occupied area of the exhibition stand is small.
An electronic blackboard with a display stand comprises an electronic blackboard body, a camera and the display stand of any one of claims 1 to 5, wherein the camera is used for projecting an object on the display stand onto a display screen of the electronic blackboard, a cavity for accommodating the display stand is arranged on one side of the electronic blackboard body, and a vertical plate of the display stand body is connected in the cavity in a sliding manner; the electric control lock is arranged in the cavity, an electromagnet in the electric control lock is electrically connected with a power supply, the electromagnet is used for driving a spring bolt of the electric control lock to rotate, the spring bolt of the electric control lock is rotatably connected to the side face of the vertical plate, and a spring bolt seat of the electric control lock is fixed in the cavity.
Further, be equipped with the same side direction slide rail of slip direction and horizontal slide rail in the cavity, the front side of cavity is located to the side direction slide rail, the lower terminal surface of cavity is located to the horizontal slide rail, the front side of riser is equipped with the side direction pulley of horizontal sliding connection in the side direction slide rail, the lower terminal surface of riser is equipped with the horizontal pulley of horizontal sliding connection in the horizontal slide rail.
Further, two upper and lower terminal surfaces inside the cavity all are equipped with horizontal slide rail, two upper and lower terminal surfaces of riser are equipped with the horizontal pulley of horizontal sliding connection in horizontal slide rail respectively.
Further, the upper side and the lower side of the front side of the cavity are respectively provided with a lateral sliding rail, and the upper side and the lower side of the front side of the vertical plate are respectively provided with a lateral pulley which is connected in the lateral sliding rail in a horizontal sliding manner.
Furthermore, a handle with an L-shaped groove is arranged on one side, far away from the cavity, of the vertical plate.
The working principle of the technical scheme is as follows: when the electric control lock is opened, the vertical plate can be popped out in the direction away from the cavity, and an operator pulls the handle, so that the vertical plate and the transverse plate are pulled out. The operator turns over the transverse plate until the transverse plate is perpendicular to the vertical plate. An object (such as a test paper or a teaching material) is placed on the exhibition stand body, the first luminous piece and the second luminous piece are opened, the cross rod is rotated, and the irradiation angle of the second luminous piece is adjusted. The camera projects the object on the exhibition stand body onto the display screen of the electronic blackboard body.
① through setting up horizontal slide rail and side direction slide rail to can accurately guarantee the slip orbit of riser, the handle of ② L type recess makes things convenient for operating personnel to pull, ③ electric control lock can lock the stand, prevents that the stand from roll-off when not using.
Drawings
FIG. 1 is a perspective view of a first embodiment of a display stand of the present invention;
FIG. 2 is a front view of a second embodiment of an electronic blackboard with a display stand according to the present invention;
fig. 3 is a perspective view of the stand of fig. 2;
FIG. 4 is a front view of a third embodiment of an electronic blackboard with a display stand according to the present invention;
fig. 5 is a front view of a fourth embodiment of the electronic blackboard with a display stand according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: electronic blackboard body 1, stand body 2, riser 3, diaphragm 4, horizontal pole 5, second illuminating part 6, side direction pulley 7, horizontal pulley 8, light-passing board 9, first magnet 10, hinge 11, handle 12, camera 13, first recess 14, second recess 15.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Substantially as shown in figure 1: the utility model provides a stand, including stand body 2 and connecting portion, stand body 2 includes diaphragm 4 and riser 3, diaphragm 4 rotates the downside of connecting at riser 3, during the embedded riser 3 in diaphragm 4, be equipped with the first recess 14 that can hold diaphragm 4 completely on riser 3, rotate through hinge 11 between the tip of the upper surface of diaphragm 4 and the first recess 14 and be connected, diaphragm 4 is 0-90 for the turned angle of riser 3, the lower surface of diaphragm 4 is the inclined plane, the thickness that diaphragm 4 keeps away from riser 3 one side is less than the thickness of opposite side. The transverse plate 4 is of a hollow structure, an opening is formed in the upper surface of the transverse plate 4, a light-transmitting plate 9 is arranged at the opening, a first light-emitting piece is arranged inside the transverse plate 4, the irradiation direction of the first light-emitting piece faces towards the light-transmitting plate 9, and the light-transmitting plate 9 is a white acrylic plate in the embodiment. A second luminous piece 6 is embedded in the upper side of the vertical plate 3, and the irradiation direction of the second luminous piece 6 faces to the light-transmitting plate 9; in this embodiment, the first light-emitting element and the second light-emitting element 6 both adopt LED lamps, and the number of the first light-emitting element and the second light-emitting element is several. The connecting portion can be connected the diaphragm 4 and the riser 3 of stand body 2. The connecting portion includes first magnet 10 that locates on diaphragm 4, and the region that riser 3 and first magnet 10 correspond is the mutual magnetic domain that can attract each other with first magnet 10. The upside of riser 3 is equipped with second recess 15, and the rotation is connected with horizontal pole 5 in second recess 15, and the second illuminating part 6 is fixed on horizontal pole 5, and second recess 15 can hold second illuminating part 6 completely.
Example two
As shown in fig. 2 and 3, an electronic blackboard with a display stand comprises an electronic blackboard body 1, a camera 13 and the display stand in the first embodiment, wherein the camera 13 is used for projecting an object on the display stand onto a display screen of the electronic blackboard body 1, and the camera 13 is fixed on the electronic blackboard body 1. One side of electronic blackboard body 1 is equipped with the cavity that holds the stand, and 3 sliding connection of riser of stand body 2 are in the cavity, are equipped with the same side direction slide rail of slip direction and horizontal slide rail in the cavity, and the front side of cavity is located to the side direction slide rail, and the lower terminal surface of cavity is located to the horizontal slide rail, and the front side of riser 3 is equipped with the side direction pulley 7 of horizontal sliding connection in the side direction slide rail, and the lower terminal surface of riser 3 is equipped with horizontal pulley 8 of horizontal sliding connection in the horizontal slide rail. The cavity is internally provided with an electric control lock, an electromagnet in the electric control lock is electrically connected with a power supply, the electromagnet is used for driving a spring bolt of the electric control lock to rotate, the spring bolt of the electric control lock is rotatably connected to the side surface of the vertical plate 3, and a spring bolt seat of the electric control lock is fixed in the cavity. The side of the vertical plate 3 far away from the cavity is provided with a handle 12 with an L-shaped groove.
The specific implementation process is as follows:
open the electric control lock, riser 3 can pop out to the direction of keeping away from the cavity, and operating personnel pulling handle 12 to pull out riser 3 and diaphragm 4. The operator turns the cross plate 4 until the cross plate is perpendicular to the vertical plate 3. An object (such as a test paper or a teaching material) is placed on the stand body 2, the first and second luminous members 6 are turned on, and the irradiation angle of the second luminous member 6 is adjusted by rotating the cross bar 5. The camera projects the object on the exhibition stand body 2 to the display screen of the electronic blackboard body 1.
EXAMPLE III
As shown in fig. 4, the difference between this embodiment and the second embodiment is that the way of slidably connecting the vertical plate 3 in the cavity is as follows: the upper and lower terminal surfaces inside the cavity are all provided with horizontal sliding rails, and the upper and lower terminal surfaces of the vertical plate 3 are respectively provided with horizontal pulleys 8 which are connected in the horizontal sliding rails in a horizontal sliding mode.
Example four
As shown in fig. 5, the difference between this embodiment and the second embodiment is that the way of slidably connecting the vertical plate 3 in the cavity is as follows: the upper side and the lower side of the front side of the cavity are respectively provided with a lateral sliding rail, and the upper side and the lower side of the front side of the vertical plate 3 are respectively provided with a lateral pulley 7 which is horizontally connected in the lateral sliding rail in a sliding manner.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A display stand is characterized in that: the exhibition stand comprises an exhibition stand body and a connecting part, wherein the exhibition stand body comprises a transverse plate and a vertical plate, the transverse plate is rotatably connected to the lower side of the vertical plate, and the transverse plate can be rotatably connected with the vertical plate; the transverse plate is of a hollow structure, an opening is formed in the upper surface of the transverse plate, a light-transmitting plate is arranged at the opening, a first light-emitting piece is arranged inside the transverse plate, and the irradiation direction of the first light-emitting piece faces towards the light-transmitting plate; a second light-emitting piece is arranged on the upper side of the vertical plate, and the irradiation direction of the second light-emitting piece faces to the light-transmitting plate; the connecting portion can be connected the diaphragm and the riser of stand body.
2. A display stand according to claim 1, wherein: the connecting portion are including locating the first magnet on the diaphragm, the region that the riser corresponds with first magnet is the mutual magnetic domain that can attract with first magnet.
3. A display stand according to claim 1, wherein: a cross rod rotatably connected with the vertical plate is arranged on the upper side of the vertical plate, and the second light-emitting piece is fixed on the cross rod; the cross rod and the second luminous piece are embedded into the vertical plate.
4. A display stand according to claim 1, wherein: the light-transmitting plate is a white acrylic plate, the first light-emitting part and the second light-emitting part are LED lamps, and the number of the first light-emitting part and the number of the second light-emitting part are a plurality.
5. A display stand according to claim 1, wherein: the lower surface of diaphragm is the inclined plane, the thickness that riser one side was kept away from to the diaphragm is less than the thickness of opposite side, the diaphragm can be accomodate in the riser.
6. The utility model provides an electronic blackboard with stand which characterized in that: the electronic blackboard comprises an electronic blackboard body, a camera and the exhibition stand according to any one of claims 1 to 5, wherein the camera is used for projecting an object on the exhibition stand onto a display screen of the electronic blackboard body, a cavity for accommodating the exhibition stand is arranged on one side of the electronic blackboard body, and a vertical plate of the exhibition stand body is connected in the cavity in a sliding manner; the electric control lock is arranged in the cavity, an electromagnet in the electric control lock is electrically connected with a power supply, the electromagnet is used for driving a spring bolt of the electric control lock to rotate, the spring bolt of the electric control lock is rotatably connected to the side face of the vertical plate, and a spring bolt seat of the electric control lock is fixed in the cavity.
7. The electronic blackboard with a display stand according to claim 6, characterized in that: be equipped with the same side direction slide rail of slip direction and horizontal slide rail in the cavity, the front side of cavity is located to the side direction slide rail, the lower terminal surface of cavity is located to the horizontal slide rail, the front side of riser is equipped with the side direction pulley of horizontal sliding connection in the side direction slide rail, the lower terminal surface of riser is equipped with the horizontal pulley of horizontal sliding connection in the horizontal slide rail.
8. The electronic blackboard with a display stand according to claim 6, characterized in that: two upper and lower terminal surfaces inside the cavity all are equipped with horizontal slide rail, two upper and lower terminal surfaces of riser are equipped with the horizontal pulley of horizontal sliding connection in horizontal slide rail respectively.
9. The electronic blackboard with a display stand according to claim 6, characterized in that: the upper side and the lower side of the front side of the cavity are respectively provided with a lateral sliding rail, and the upper side and the lower side of the front side of the vertical plate are respectively provided with a lateral pulley which is connected in the lateral sliding rail in a horizontal sliding manner.
10. The electronic blackboard with a display stand according to claim 6, characterized in that: and one side of the vertical plate, which is far away from the cavity, is provided with a handle with an L-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251465.3A CN110889982A (en) | 2019-12-09 | 2019-12-09 | Exhibition stand and electronic blackboard with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251465.3A CN110889982A (en) | 2019-12-09 | 2019-12-09 | Exhibition stand and electronic blackboard with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110889982A true CN110889982A (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911251465.3A Pending CN110889982A (en) | 2019-12-09 | 2019-12-09 | Exhibition stand and electronic blackboard with same |
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| Country | Link |
|---|---|
| CN (1) | CN110889982A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011121106A1 (en) * | 2010-04-02 | 2011-10-06 | Gk | Covering device for a product display case |
| CN204833807U (en) * | 2015-07-07 | 2015-12-02 | 朱理婧 | Teaching aid is assisted to english |
| CN106142921A (en) * | 2016-07-22 | 2016-11-23 | 重庆多创电子技术有限公司 | Multifunction electronic blackboard |
| CN208625096U (en) * | 2017-11-13 | 2019-03-22 | 嘉兴职业技术学院 | A kind of international trade showing stand convenient to use |
| CN209657692U (en) * | 2019-02-28 | 2019-11-19 | 曾新茹 | A kind of economy and finance class data analysis display board |
| CN211044559U (en) * | 2019-12-09 | 2020-07-17 | 重庆多创云教育科技有限公司 | Exhibition stand and electronic blackboard with same |
-
2019
- 2019-12-09 CN CN201911251465.3A patent/CN110889982A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011121106A1 (en) * | 2010-04-02 | 2011-10-06 | Gk | Covering device for a product display case |
| CN204833807U (en) * | 2015-07-07 | 2015-12-02 | 朱理婧 | Teaching aid is assisted to english |
| CN106142921A (en) * | 2016-07-22 | 2016-11-23 | 重庆多创电子技术有限公司 | Multifunction electronic blackboard |
| CN208625096U (en) * | 2017-11-13 | 2019-03-22 | 嘉兴职业技术学院 | A kind of international trade showing stand convenient to use |
| CN209657692U (en) * | 2019-02-28 | 2019-11-19 | 曾新茹 | A kind of economy and finance class data analysis display board |
| CN211044559U (en) * | 2019-12-09 | 2020-07-17 | 重庆多创云教育科技有限公司 | Exhibition stand and electronic blackboard with same |
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