CN113269997A - Projecting apparatus is used in teaching - Google Patents
Projecting apparatus is used in teaching Download PDFInfo
- Publication number
- CN113269997A CN113269997A CN202110625189.3A CN202110625189A CN113269997A CN 113269997 A CN113269997 A CN 113269997A CN 202110625189 A CN202110625189 A CN 202110625189A CN 113269997 A CN113269997 A CN 113269997A
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- China
- Prior art keywords
- projector
- teaching
- fixed
- sides
- projecting apparatus
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Classifications
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- 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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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
Abstract
The invention belongs to the technical field of projectors, and discloses a projector for teaching, which solves the problems that the mounting position of the projector for teaching in the current market is fixed, and the projection applicability to different heights is poor; the projector comprises a projector body, wherein air vents are arranged at two sides of the front end of the projector body, retraction grooves are arranged at two sides of the projector body, a motor is arranged at the bottom of each retraction groove through a mounting frame, and a propeller is arranged at the output end of the motor; the projector has the advantages that when the projector is not unfolded, the motor drives the propeller to exchange air inside the projector body, and through the matching of the vent holes, better air exchange is facilitated, and the heat dissipation effect is improved; when the expansion state, drive the screw through the motor and rotate, and then drive the projecting apparatus body and reciprocate, hover in the air and VTOL, make things convenient for the use that the projecting apparatus body is suitable for not co-altitude, increase the suitability.
Description
Technical Field
The invention relates to the technical field of projectors, in particular to a projector for teaching.
Background
The projector is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment places.
The projecting apparatus is used in teaching on the existing market, and the mounted position is fixed, and is poor to the projection suitability of co-altitude not, can only place on the plane to and be not convenient for adjust inclination.
Disclosure of Invention
The invention provides a projector for teaching, which solves the problems that the mounting position of the projector for teaching in the current market is fixed, and the applicability to projection at different heights is poor.
The technical scheme of the invention is realized as follows: a projector for teaching comprises a projector body, wherein vent holes are formed in two sides of the front end of the projector body, retraction grooves are formed in two sides of the projector body, a motor is mounted at the bottom of each retraction groove through a mounting frame, a propeller is mounted at the output end of the motor, and when the mounting frame does not rotate to be perpendicular to the retraction grooves, namely in a non-unfolding state, the motor drives the propeller to exchange air inside the projector body, so that better air exchange is facilitated and the heat dissipation effect is improved through the cooperation of the vent holes; rotate to and receive and release the groove perpendicular at the mounting bracket, when the expansion state promptly, drive the screw through the motor and rotate, and then drive the projecting apparatus body and reciprocate, hover in the air and VTOL, make things convenient for the use that the projecting apparatus body is suitable for not co-altitude, increase the suitability.
Preferably, all be linked between mounting bracket bottom and the projecting apparatus body both sides bottom and have supported electric putter to through the use that supports electric putter, so that realize the rotation of mounting bracket.
Preferably, the fixed slot has all been seted up in projecting apparatus body top four corners, installation electric putter is installed to the fixed slot inboard, installation electric putter top is fixed with the sucking disc, and is flexible through installation electric putter to stretch out the fixed slot, fix in mounted position department through the sucking disc, can cooperate reciprocating, the air and hover and the VTOL of projecting apparatus body, be convenient for install in aerial position department.
Preferably, a spherical chassis is fixed at the bottom end of the projector body, adjusting grooves are formed in both sides of the front end of the spherical chassis, adjusting components are arranged in the adjusting grooves, balancing weights are correspondingly arranged on both sides of the rear end of the spherical chassis, and the inclination angle of the projector body and the matching of the spherical chassis are conveniently adjusted by adjusting the height of the adjusting components in the adjusting grooves, so that the stability is improved; the adjusting assembly comprises a fixed cylinder, a telescopic rod, a gasket and a fastening bolt, the telescopic rod penetrates through the bottom end of the inner side of the fixed cylinder and is installed on the inner side of the fixed cylinder, the fastening bolt is connected to the outer side of the lower portion of the fixed cylinder in a threaded mode, the gasket is installed at the bottom end of the telescopic rod, and the telescopic rod moves in the fixed cylinder and is fastened through the fastening bolt; the fixing barrel is characterized in that a threaded hole is formed in the lower portion of the fixing barrel corresponding to the position of the fastening bolt, a rotary table is sleeved on the outer side of the fastening bolt, and anti-skid grains are formed in the outer side of the rotary table so as to facilitate use of the fastening bolt.
Preferably, a support column is vertically fixed in the middle of the inner side of the spherical chassis, a balance block is fixed at the top end of the support column, and the balance block and the support column are matched with each other to facilitate placement of different planes like a tumbler.
Preferably, the adjusting component and the balancing weight are symmetrically arranged so as to facilitate the balance of weight between the adjusting component and the balancing weight, and a fixing plate is fixed at the top end of the spherical chassis.
Preferably, the top end of the projector body is embedded with a heat dissipation block, and the heat dissipation block is an aluminum alloy component, so that the heat dissipation effect is improved.
The invention has the beneficial effects that:
1. when the projector is not unfolded, the motor drives the propeller to exchange air inside the projector body, and the air vents are matched, so that better air exchange is facilitated, and the heat dissipation effect is improved;
2. when the projector is in an unfolded state, the motor drives the propeller to rotate, so that the projector body is driven to move up and down, hover in the air and vertically take off and land, the projector body is convenient to use at different heights, and the applicability is improved;
3. the height of the adjusting assembly in the adjusting groove is adjusted, so that the inclination angle of the projector body can be adjusted conveniently, and the spherical chassis is matched, so that the stability is improved;
4. through the matching of the balance block and the supporting column and the matching of the spherical base plate, the device can be placed on different planes conveniently like a tumbler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is a schematic view of the unfolded structure of the mounting bracket of the present invention;
FIG. 3 is a top view of FIG. 1 in accordance with the present invention;
fig. 4 is a side cross-sectional view of a spherical base pan of the present invention.
In the figure: 1. a projector body; 2. fixing grooves; 3. installing an electric push rod; 4. a suction cup; 5. a retraction slot; 6. a motor; 7. a propeller; 8. supporting the electric push rod; 9. an adjustment groove; 10. a fixed cylinder; 11. a telescopic rod; 12. a gasket; 13. fastening a bolt; 14. a spherical chassis; 15. a vent; 16. a heat dissipating block; 17. a balancing weight; 18. a support pillar; 19. a balance weight.
Detailed Description
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.
Referring to fig. 1 and 2, a projector for teaching comprises a projector body 1, wherein ventilation holes 15 are formed in both sides of the front end of the projector body 1, retraction grooves 5 are formed in both sides of the projector body 1, a motor 6 is installed at the bottom of the retraction groove 5 through an installation frame, a propeller 7 is installed at the output end of the motor 6, when the installation frame does not rotate to be perpendicular to the retraction grooves 5, namely, in a non-unfolded state, the motor 6 drives the propeller 7 to exchange air inside the projector body 1, and through the cooperation of the ventilation holes 15, better air exchange is facilitated, and the heat dissipation effect is improved; rotate to and receive and release 5 vertically in groove at the mounting bracket, when the expansion state promptly, drive screw 7 through motor 6 and rotate, and then drive projecting apparatus body 1 and reciprocate, hover in the air and VTOL, make things convenient for projecting apparatus body 1 to be suitable for not use of co-altitude, increase the suitability.
Referring to fig. 1-4, a supporting electric push rod 8 is connected between the bottom of the mounting rack and the bottoms of the two sides of the projector body 1, and the rotation of the mounting rack is facilitated by the use of the supporting electric push rod 8; four corners of the top end of the projector body 1 are provided with fixing grooves 2, an electric push rod 3 is installed on the inner side of each fixing groove 2, a sucker 4 is fixed at the top end of each electric push rod 3, the fixing grooves 2 can be conveniently extended out through the extension and retraction of the electric push rods 3, the sucker 4 is fixed at an installation position, the up-and-down movement, hovering and vertical lifting of the projector body 1 can be matched, and the installation at one position in the air is facilitated; a spherical chassis 14 is fixed at the bottom end of the projector body 1, adjusting grooves 9 are formed in two sides of the front end of the spherical chassis 14, adjusting components are arranged in the adjusting grooves 9, balancing weights 17 are correspondingly arranged on two sides of the rear end of the spherical chassis 14, the inclination angle of the projector body 1 can be adjusted conveniently through height adjustment of the adjusting components in the adjusting grooves 9, and stability can be improved conveniently through matching of the spherical chassis 14; the adjusting assembly comprises a fixed cylinder 10, an expansion link 11, a gasket 12 and a fastening bolt 13, wherein the expansion link 11 is installed on the inner side of the fixed cylinder 10 after penetrating through the bottom end, the fastening bolt 13 is connected with the outer side of the lower part of the fixed cylinder 10 in a threaded manner, the gasket 12 is installed at the bottom end of the expansion link 11, the expansion link 11 moves in the fixed cylinder 10 and is fastened through the fastening bolt 13; a threaded hole is formed in the lower portion of the fixed cylinder 10 corresponding to the position of the fastening bolt 13, a rotary table is sleeved on the outer side of the fastening bolt 13, and anti-skid grains are formed in the outer side of the rotary table so as to facilitate use of the fastening bolt 13; a supporting column 18 is vertically fixed in the middle of the inner side of the spherical chassis 14, a balance block 19 is fixed at the top end of the supporting column 18, and the balance block 19 is matched with the supporting column 18 and the spherical chassis 14, so that the spherical chassis can be conveniently placed on different planes like a tumbler; the adjusting component and the balancing weight 17 are symmetrically arranged so as to facilitate the balance of the weight between the adjusting component and the balancing weight 17, and a fixing plate is fixed at the top end of the spherical chassis 14; the top end of the projector body 1 is embedded with a heat dissipation block 16, and the heat dissipation block 16 is an aluminum alloy component, so that the heat dissipation effect is improved.
The working principle is as follows: when the mounting frame is arranged in the retraction slot 5, namely in a non-unfolded state, the motor 6 drives the propeller 7 to exchange air in the projector body 1, and through the matching of the vent 15, better air exchange is facilitated, and the heat dissipation effect is improved; the telescopic support electric push rod 8 drives the mounting frame to rotate, when the mounting frame rotates to be perpendicular to the retraction groove 5, namely, in an unfolded state, the motor 6 drives the propeller 7 to rotate, so that the projector body 1 is driven to move up and down, hover in the air and vertically take off and land, the projector body 1 is convenient to use at different heights, and the applicability is improved; the electric push rod 3 is installed to stretch out of the fixing groove 2, and the fixing position is fixed through the sucking disc 4; through the height adjustment of the adjusting component in the adjusting groove 9, the inclination angle of the projector body 1 can be conveniently adjusted, and the spherical chassis 14 is matched, so that the projector can be conveniently placed on different planes like a tumbler.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a projecting apparatus is used in teaching, its characterized in that, includes projecting apparatus body (1), projecting apparatus body (1) front end both sides all begin to have blow vent (15), and projecting apparatus body (1) both sides have all been seted up and have been receive and release groove (5), receive and release groove (5) bottom and install motor (6) through the mounting bracket, screw (7) are installed to motor (6) output.
2. The projector for teaching as claimed in claim 1, wherein a support electric push rod (8) is linked between the bottom of the mounting frame and the bottoms of both sides of the projector body (1).
3. The projector for teaching as claimed in claim 1, wherein four corners of the top of the projector body (1) are provided with fixing grooves (2), the inner side of each fixing groove (2) is provided with an installation electric push rod (3), and the top of each installation electric push rod (3) is fixed with a suction cup (4).
4. The projector for teaching as claimed in claim 1, wherein a spherical chassis (14) is fixed at the bottom end of the projector body (1), adjusting grooves (9) are respectively formed on two sides of the front end of the spherical chassis (14), adjusting components are arranged in the adjusting grooves (9), and balancing weights (17) are correspondingly arranged on two sides of the rear end of the spherical chassis (14).
5. The projector for teaching as claimed in claim 4, wherein the adjusting assembly comprises a fixed cylinder (10), a telescopic rod (11), a gasket (12) and a fastening bolt (13), the telescopic rod (11) is installed on the inner side of the fixed cylinder (10) through the bottom end, the fastening bolt (13) is connected to the outer side of the lower portion of the fixed cylinder (10) in a threaded manner, and the gasket (12) is installed at the bottom end of the telescopic rod (11).
6. The projector for teaching as claimed in claim 5, wherein the lower part of the fixed cylinder (10) is provided with a threaded hole corresponding to the position of the fastening bolt (13), the outer side of the fastening bolt (13) is sleeved with a rotating disc, and the outer side of the rotating disc is provided with anti-skid threads.
7. A projector as in claim 4, wherein a supporting column (18) is vertically fixed in the middle of the inner side of the spherical base plate (14), and a balance weight (19) is fixed at the top end of the supporting column (18).
8. A projector as in claim 4, wherein said adjustment unit is arranged symmetrically to the weight (17), and a fixing plate is fixed to the top of said spherical base plate (14).
9. A projector as claimed in claim 1, wherein a heat sink (16) is embedded in the top end of the projector body (1), and the heat sink (16) is an aluminum alloy member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110625189.3A CN113269997A (en) | 2021-06-04 | 2021-06-04 | Projecting apparatus is used in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110625189.3A CN113269997A (en) | 2021-06-04 | 2021-06-04 | Projecting apparatus is used in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113269997A true CN113269997A (en) | 2021-08-17 |
Family
ID=77234289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110625189.3A Pending CN113269997A (en) | 2021-06-04 | 2021-06-04 | Projecting apparatus is used in teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113269997A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539770A (en) * | 2014-12-04 | 2015-04-22 | 余姚市金星网板厂 | Cellphone holder |
| US20150212398A1 (en) * | 2014-01-30 | 2015-07-30 | Techislive Limited | Projector with embedded electric suspension arm |
| CN105889848A (en) * | 2016-04-21 | 2016-08-24 | 安徽机电职业技术学院 | Dynamic projection night lamp |
| CN205971828U (en) * | 2016-08-04 | 2017-02-22 | 广东澄星无人机股份有限公司 | Spherical aircraft |
| CN107367891A (en) * | 2017-08-23 | 2017-11-21 | 深圳市昌卓科技有限公司 | A kind of intelligent projection player |
| CN206664933U (en) * | 2017-03-05 | 2017-11-24 | 北京中科遥数信息技术有限公司 | A kind of unmanned plane wing for being easy to regulation |
| CN206679246U (en) * | 2017-04-27 | 2017-11-28 | 歌尔科技有限公司 | A kind of unmanned plane |
| CN108313280A (en) * | 2018-03-05 | 2018-07-24 | 上海市第中学 | A kind of aircraft |
| CN207674055U (en) * | 2017-12-22 | 2018-07-31 | 西安理工大学高科学院 | A kind of new teaching projecting apparatus |
| CN207924357U (en) * | 2018-03-26 | 2018-09-28 | 江苏国州信息科技有限公司 | A kind of no screen prjection device of wisdom teaching |
| CN209167779U (en) * | 2018-12-04 | 2019-07-26 | 刘达娟 | It is a kind of to use portable educational projector |
| CN209159989U (en) * | 2018-11-12 | 2019-07-26 | 安徽金岭缘教育科技有限公司 | A kind of aerial projection arrangement of UAV system |
| CN212125525U (en) * | 2019-12-04 | 2020-12-11 | 天津远洋泓基电子工程有限公司 | Unmanned aerial vehicle flight device of imparting knowledge to students |
| CN112720519A (en) * | 2020-12-23 | 2021-04-30 | 长沙学院 | Art pattern display robot |
-
2021
- 2021-06-04 CN CN202110625189.3A patent/CN113269997A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150212398A1 (en) * | 2014-01-30 | 2015-07-30 | Techislive Limited | Projector with embedded electric suspension arm |
| CN104539770A (en) * | 2014-12-04 | 2015-04-22 | 余姚市金星网板厂 | Cellphone holder |
| CN105889848A (en) * | 2016-04-21 | 2016-08-24 | 安徽机电职业技术学院 | Dynamic projection night lamp |
| CN205971828U (en) * | 2016-08-04 | 2017-02-22 | 广东澄星无人机股份有限公司 | Spherical aircraft |
| CN206664933U (en) * | 2017-03-05 | 2017-11-24 | 北京中科遥数信息技术有限公司 | A kind of unmanned plane wing for being easy to regulation |
| CN206679246U (en) * | 2017-04-27 | 2017-11-28 | 歌尔科技有限公司 | A kind of unmanned plane |
| CN107367891A (en) * | 2017-08-23 | 2017-11-21 | 深圳市昌卓科技有限公司 | A kind of intelligent projection player |
| CN207674055U (en) * | 2017-12-22 | 2018-07-31 | 西安理工大学高科学院 | A kind of new teaching projecting apparatus |
| CN108313280A (en) * | 2018-03-05 | 2018-07-24 | 上海市第中学 | A kind of aircraft |
| CN207924357U (en) * | 2018-03-26 | 2018-09-28 | 江苏国州信息科技有限公司 | A kind of no screen prjection device of wisdom teaching |
| CN209159989U (en) * | 2018-11-12 | 2019-07-26 | 安徽金岭缘教育科技有限公司 | A kind of aerial projection arrangement of UAV system |
| CN209167779U (en) * | 2018-12-04 | 2019-07-26 | 刘达娟 | It is a kind of to use portable educational projector |
| CN212125525U (en) * | 2019-12-04 | 2020-12-11 | 天津远洋泓基电子工程有限公司 | Unmanned aerial vehicle flight device of imparting knowledge to students |
| CN112720519A (en) * | 2020-12-23 | 2021-04-30 | 长沙学院 | Art pattern display robot |
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