CN209746816U - Holographic projection device for teaching - Google Patents
Holographic projection device for teaching Download PDFInfo
- Publication number
- CN209746816U CN209746816U CN201920133893.5U CN201920133893U CN209746816U CN 209746816 U CN209746816 U CN 209746816U CN 201920133893 U CN201920133893 U CN 201920133893U CN 209746816 U CN209746816 U CN 209746816U
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- CN
- China
- Prior art keywords
- holographic projection
- cabinet body
- rotating shaft
- base
- upper support
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Abstract
The utility model relates to a holographic projection device for teaching, which belongs to the technical field of projection equipment and particularly comprises a columnar cabinet body, wherein universal wheels are arranged at the bottom of the columnar cabinet body, an opening is arranged at the top of the columnar cabinet body, a flange is arranged around the opening, two cover plates are arranged on the opening, a base is arranged in the columnar cabinet body through a lifting device, a supporting rotating shaft is arranged at the center of the base, an upper support is arranged on the supporting rotating shaft, a fixed groove is arranged around the upper support, a first driven gear is arranged on the supporting rotating shaft, a speed reducing motor is arranged on the base, a first driving gear is arranged on the rotating shaft of the speed reducing motor, a holographic projection structure is arranged at the center of the upper support, a wireless projector is arranged around the holographic projection structure, a mounting groove is arranged on the upper support, the wireless projector is arranged in the, convenient to use adopts the liftable formula to hide the structure, can effectively prevent dust, and the protecting effect is good.
Description
Technical Field
The utility model relates to a holographic projection arrangement for teaching belongs to projection equipment technical field.
Background
The holographic projection technique is a technique for recording and reproducing a true three-dimensional image of an object using the principles of interference and diffraction. The holographic projection imaging displayer is applied to teaching, teaching contents can be displayed in an all-around and multi-angle mode, and understanding and memory of students are facilitated. However, the existing 360-degree holographic projection equipment lacks reliable protection, and firstly, objects such as dust, hairs and the like are easily attached to the surface of a plane carrier of the 360-degree holographic projection equipment, so that the definition and the reality of a holographic image projected by the equipment are affected, and the holographic image needs to be cleaned frequently by manual work; secondly, because 360 degrees holographic projection equipment is expensive, lack reliable protection, cause the equipment to damage easily.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a simple structure, convenient to use adopts the liftable formula to hide the structure, can effectively prevent dust, the holographic projection arrangement for teaching that protecting effect is good.
In order to achieve the above purpose, the technical solution adopted by the present invention is a holographic projection device for teaching, comprising a holographic projection structure and a wireless projector, wherein the holographic projection structure is in an inverted pyramid shape and is defined by four isosceles trapezoids with the same shape and size, the holographic projection device further comprises a columnar cabinet body, universal wheels are installed at the bottom of the columnar cabinet body, an opening is arranged at the top of the columnar cabinet body, flanges are arranged around the opening, two cover plates are arranged on the opening, the cover plates are hinged at the top of the columnar cabinet body, a lock catch is arranged on the cover plates, a base is installed in the columnar cabinet body through a lifting device, a support rotating shaft is installed at the center of the base, an upper support is installed on the support rotating shaft, fixing grooves for being clamped on the flanges are arranged around the upper support, a first driven gear is installed on the support rotating shaft, install gear motor on the base, install first driving gear in gear motor's the pivot, first driven gear and the first driving gear of meshing mutually, holographic projection structure is installed at the center of upper bracket, be provided with wireless projector around the holographic projection structure, be provided with the mounting groove on the upper bracket, wireless projector installs in the mounting groove, the external portion of the column cabinet is provided with control switch.
Preferably, elevating gear mainly comprises supporting seat, guide bar and elevating screw, the center of supporting seat is provided with the fixed slot, install the screw in the fixed slot, the outside suit of screw is fixed with second driven gear, still install the second driving gear in the fixed slot, the second driving gear is connected with elevator motor, elevator motor fixes the bottom at the supporting seat, second driven gear and second driving gear mesh mutually, the fixed slot is fixed with the apron, elevating screw is installed in the bottom rotation of base, elevating screw installs in the screw, the guide bar is still installed all around to the base, be provided with the guiding hole on the supporting seat, the guide bar cartridge is in the guiding hole.
Preferably, the top surface and the bottom surface of the second driven gear are both provided with annular positioning grooves, the bottom of the cover plate and the bottom of the fixing groove are both provided with annular positioning bulges, and the annular positioning bulges are clamped in the annular positioning grooves.
Compared with the prior art, the utility model discloses following technological effect has: the utility model has simple structure and convenient use, adopts a hidden structure, can freely lift the whole holographic projection structure, and can lift to the top of the columnar cabinet body when in use; when not using, can hide in the column cabinet body automatically, when playing dirt-proof, can also improve the protection to holographic projection structure greatly, avoid equipment transportation or use collision to cause the damage. In addition, this holographic projection structure adopts motor drive autogiration, can make the student follow a plurality of angles and observe the image when the teaching, and teaching effect is better, and it is more convenient to observe.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view when the present invention is not in use.
Fig. 3 is a schematic structural view of the upper support of the present invention.
Fig. 4 is a schematic structural diagram of a second driven gear in the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4, a holographic projection device for teaching comprises a holographic projection structure 1 and a wireless projector 2, wherein the holographic projection structure 1 is in an inverted pyramid shape and is defined by four isosceles trapezoids with the same shape and size, the holographic projection device further comprises a columnar cabinet body 3, universal wheels 4 are installed at the bottom of the columnar cabinet body 3, an opening 5 is arranged at the top of the columnar cabinet body 3, flanges 6 are arranged around the opening 5, two cover plates 7 are arranged on the opening 5, the cover plates 7 are hinged at the top of the columnar cabinet body, a lock catch is arranged on the cover plates 7, a base 8 is installed in the columnar cabinet body 3 through a lifting device, a supporting rotating shaft 9 is installed at the center of the base 8, an upper support base 10 is installed on the supporting rotating shaft 9, fixing grooves 11 for being clamped on the flanges are arranged around the upper support base 10, a first driven gear 12 is installed on the supporting rotating shaft 9, a speed, install first driving gear 14 in gear motor 13's the pivot, first driven gear 12 and the first driving gear 14 of meshing mutually, holographic projection structure 1 is installed at the center of upper bracket 10, and holographic projection structure 1 is provided with wireless projector 2 all around, is provided with mounting groove 15 on the upper bracket 10, and wireless projector 2 installs in mounting groove 15, and the outside of the cylindrical cabinet body 3 is provided with control switch.
The utility model discloses well holographic projection utilizes interference and diffraction principle record and reappear the record of the real three-dimensional image of object and the technique of reappearing, this holographic projection arrangement realizes holographic projection through 4 shapes, the same isosceles trapezoid formation of image glass and 4 wireless projectors of size enclose, formation of image glass receives the image of four angles that the projector throws and comes, diffract layer upon layer through the formation of image glass centrum, make us can see different pictures, similar 3D's effect at a plurality of angles. When using, open the apron, rise whole holographic projection device to column cabinet body top, then utilize 4 wireless projecting apparatus to the 1 projection image of holographic projection structure, utilize gear motor 13 drive upper bracket 10 to rotate simultaneously, make holographic projection device can slow rotation, make the holographic image rotation of throwing, the student in the different position of being convenient for can all see the image of each angle, make things convenient for the student in different positions to watch, when not using, whole holographic projection device hides to the column cabinet internally, play dustproof, the effect of protection.
Wherein, elevating gear mainly comprises supporting seat 16, guide bar 17 and elevating screw 18, the center of supporting seat 16 is provided with fixed slot 19, install screw 20 in the fixed slot 19, the outside suit of screw 20 is fixed with second driven gear 21, still install second driving gear 22 in the fixed slot 19, second driving gear 22 is connected with elevator motor 23, elevator motor 23 fixes the bottom at supporting seat 16, second driven gear 21 and second driving gear 22 mesh mutually, fixed slot 19 is fixed with apron 24, elevating screw 18 is installed in the bottom rotation of base 8, elevating screw 18 installs in screw 20, guide bar 17 is still installed around base 8, be provided with guiding hole 25 on the support 16 seat, guide bar 17 cartridge is in guiding hole 25. When the elevator is lifted, the elevator motor 23 rotates to drive the second driving gear 22 and the second driven gear 21 to rotate, and further the nut 20 rotates. Because the nut rotates but can not move up and down, the lifting screw 18 moves up and down, and the free lifting of the holographic projection device is realized.
In addition, the top and bottom surfaces of the second driven gear 21 are provided with annular positioning grooves 26, and the bottom of the cover plate 24 and the fixing groove 19 are provided with annular positioning protrusions 27, and the annular positioning protrusions 27 are snapped into the annular positioning grooves 26. Adopt the mode of annular positioning protrusion and annular positioning groove to fix second driven gear 21, when guaranteeing second driven gear 21 normal pivoted, do not influence the installation of screw to it is fixed convenient, reliable.
The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The utility model provides a holographic projection arrangement for teaching, includes holographic projection structure and wireless projector, holographic projection structure is the inverted pyramid form, and by four shapes, the equal same isosceles trapezoid of size enclose its characterized in that: the multifunctional cabinet comprises a columnar cabinet body, universal wheels are mounted at the bottom of the columnar cabinet body, an opening is formed in the top of the columnar cabinet body, flanges are arranged around the opening, two cover plates are arranged on the opening and hinged to the top of the columnar cabinet body, a lock catch is arranged on each cover plate, a base is mounted in the columnar cabinet body through a lifting device, a supporting rotating shaft is mounted at the center of each base, an upper support is mounted on each supporting rotating shaft, fixing grooves used for being clamped on the flanges are formed in the periphery of the upper support, a first driven gear is mounted on each supporting rotating shaft, a speed reducing motor is mounted on each base, a first driving gear is mounted on each rotating shaft of each speed reducing motor, each first driven gear is meshed with a corresponding first driving gear, a holographic projection structure is mounted at the center of each upper support, and wireless projectors are arranged around the holographic projection, the upper support is provided with a mounting groove, the wireless projector is mounted in the mounting groove, and a control switch is arranged outside the columnar cabinet body.
2. Holographic projection device for teaching according to claim 1, characterized in that: the lifting device mainly comprises a supporting seat, a guide rod and a lifting screw rod, a fixing groove is formed in the center of the supporting seat, a screw is installed in the fixing groove, a second driven gear is fixed to the outer portion of the screw in a sleeved mode, a second driving gear is further installed in the fixing groove and connected with a lifting motor, the lifting motor is fixed to the bottom of the supporting seat, the second driven gear is meshed with the second driving gear, a cover plate is fixed to the fixing groove, the lifting screw rod is installed on the bottom of the base in a rotating mode, the lifting screw rod is installed in the screw, the guide rod is further installed on the periphery of the base, guide holes are formed in the supporting seat, and the guide rod is inserted into the guide holes.
3. Holographic projection device for teaching according to claim 2, characterized in that: the top surface and the bottom surface of the second driven gear are both provided with annular positioning grooves, the bottom parts of the cover plate and the fixing grooves are both provided with annular positioning bulges, and the annular positioning bulges are clamped in the annular positioning grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133893.5U CN209746816U (en) | 2019-01-26 | 2019-01-26 | Holographic projection device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133893.5U CN209746816U (en) | 2019-01-26 | 2019-01-26 | Holographic projection device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209746816U true CN209746816U (en) | 2019-12-06 |
Family
ID=68705213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133893.5U Expired - Fee Related CN209746816U (en) | 2019-01-26 | 2019-01-26 | Holographic projection device for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209746816U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230501A (en) * | 2020-10-20 | 2021-01-15 | 广州创营科技有限公司 | 360-degree holographic projection device |
| CN113299128A (en) * | 2021-04-30 | 2021-08-24 | 安徽微券网络科技有限公司 | Video holographic projection cabinet based on teaching |
| CN113380081A (en) * | 2021-07-06 | 2021-09-10 | 曲靖师范学院 | Three-dimensional space display device for mathematical education |
| CN114582175A (en) * | 2022-03-19 | 2022-06-03 | 九江学院 | Interactive learning device of english teaching |
| CN114783327A (en) * | 2022-04-14 | 2022-07-22 | 夏庆国 | Holographic projection equipment capable of being folded and unfolded quickly |
-
2019
- 2019-01-26 CN CN201920133893.5U patent/CN209746816U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230501A (en) * | 2020-10-20 | 2021-01-15 | 广州创营科技有限公司 | 360-degree holographic projection device |
| CN113299128A (en) * | 2021-04-30 | 2021-08-24 | 安徽微券网络科技有限公司 | Video holographic projection cabinet based on teaching |
| CN113380081A (en) * | 2021-07-06 | 2021-09-10 | 曲靖师范学院 | Three-dimensional space display device for mathematical education |
| CN114582175A (en) * | 2022-03-19 | 2022-06-03 | 九江学院 | Interactive learning device of english teaching |
| CN114783327A (en) * | 2022-04-14 | 2022-07-22 | 夏庆国 | Holographic projection equipment capable of being folded and unfolded quickly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20220126 |