CN109785688B - Multimedia platform for teaching - Google Patents
Multimedia platform for teaching Download PDFInfo
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- CN109785688B CN109785688B CN201910113173.7A CN201910113173A CN109785688B CN 109785688 B CN109785688 B CN 109785688B CN 201910113173 A CN201910113173 A CN 201910113173A CN 109785688 B CN109785688 B CN 109785688B
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Abstract
The application provides a multimedia platform is used in teaching, including box and projection arrangement, projection arrangement includes: the mounting rack is mounted on the box body through the rotating block, and a screw rod driving assembly for driving the screw rod are arranged on the mounting rack; the lifting module comprises a lifting U-shaped frame, a projector module and a lighting module, and the lifting U-shaped frame moves up and down under the action of the screw rod; the projector module can horizontally slide along the lifting U-shaped frame and comprises a lock shell and a projector arranged in the lock shell, the projector automatically falls down when a pair of L-shaped door plates of the lock shell are opened, and the projector is limited in the lock shell when the pair of L-shaped door plates are closed and locked; the lighting module comprises a telescopic rod and a lamp holder, the telescopic rod is pivoted on the lifting U-shaped frame, the lamp holder is arranged on the telescopic rod, one end of the telescopic rod is connected with the mounting frame, and the telescopic rod is driven to rotate when the lifting module moves up and down. The projector position that this application provided is convenient to be adjusted, has avoided the projector to lose or damage, the light filling is convenient.
Description
Technical Field
The invention relates to teaching equipment, in particular to a multimedia platform for teaching.
Background
In order to facilitate students to understand and master necessary knowledge, teachers usually need to use abundant and vivid languages to explain the textbook knowledge in detail in the course of teaching, sometimes in order to achieve extended learning or supplementary learning of the knowledge, teachers need to search knowledge points in some reference materials for supplement to enable the students to learn more comprehensively, but most of the reference materials are not hands, so students can only learn by dictation of the teachers, and the working difficulty of the teachers is increased.
Chinese patent CN201620201150 discloses a multimedia teaching platform, relating to the field of teaching equipment. It includes the box, and the box includes two parts, and partly is storage formula lectern, and the cabinet is placed for the multimedia to another part. Accomodate formula lectern side and be equipped with the supporter, be equipped with the stereo set in the supporter, the cabinet up end is placed to the multi-media is the operation panel, be equipped with the sliding closure on the operation panel, be equipped with the host computer under the sliding closure, and the host computer is located the multi-media and places the cabinet, be equipped with fingerprint identification ware and electronic lock on the sliding closure, fingerprint identification ware and electronic lock pass through the wire and connect the host computer, still be equipped with the recess on the operation panel, be equipped with the turning block in the recess, the turning block front end is equipped with the projecting apparatus, the host computer is connected to the projecting apparatus, the display on the cabinet front end face is placed to the multi-media. Utilize projection apparatus to enlarge the demonstration of content and make things convenient for the student to watch above the display, the utility model discloses can make the student directly perceived, understand the content clearly, the student of being more convenient for really understands relevant knowledge to play certain help effect to the teaching, but the high low position of projecting apparatus is not adjustable in this application, therefore can not enlarge local content, and it is inconvenient to use, because the projecting apparatus is located the outside for a long time, therefore loses easily or is damaged by other people, owing to not being equipped with lighting apparatus, therefore can not carry out the light filling and make the projection more clear. To sum up, how to research and develop a multimedia platform that the position of a projector is convenient to adjust, and the projector can receive fine protection, and can make things convenient for the light filling to make the projection clear is the problem that the technical staff in this field urgently need to solve.
Disclosure of Invention
The invention aims to provide a multimedia platform for teaching, which solves the defects that the position of the existing projector is not adjusted, the projector is exposed for a long time to influence the service life, the light cannot be supplemented conveniently and the like.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a multimedia platform is used in teaching, includes display, microphone, stereo set and the projection arrangement of box, host computer, folding setting, projection arrangement includes:
the mounting rack is mounted on the top surface of the box body through a rotating block, and a screw rod driving assembly for driving the screw rod to rotate are movably arranged on the mounting rack;
the lifting module comprises a lifting U-shaped frame, a projector module and a lighting module, and the lifting U-shaped frame slides up and down along the guide groove of the mounting frame under the action of the screw rod; the projector module can horizontally slide along the U-shaped groove of the lifting U-shaped frame, the projector module comprises a lock shell and a projector arranged in the lock shell, the projector automatically falls down when a pair of L-shaped door plates of the lock shell are opened, and the projector is limited in the lock shell when the pair of L-shaped door plates are closed and locked; the lighting module comprises a telescopic rod and a lamp holder, the telescopic rod is pivoted on the lifting U-shaped frame, the lamp holder is arranged on the telescopic rod, one end of the telescopic rod is connected with the mounting frame, and the telescopic rod is driven to rotate when the lifting module moves up and down.
Furthermore, two ratchet groups in opposite directions are arranged on a sliding block of the projector module, two sides of the sliding block are respectively in sliding fit with corresponding side grooves on the inner side surfaces of the U-shaped grooves, pawls located in the side grooves are meshed with the corresponding ratchet groups, handles of the pawls extend outwards, and sliding columns located on the sliding block are in sliding fit with guide holes located on the lifting U-shaped frame.
Furthermore, the lock shell further comprises an outer shell, two sides of the outer shell are respectively provided with a driven gear, the L-shaped door plate is coaxially and fixedly connected with the corresponding driven gear, the driven gear is meshed with a corresponding rack on the side face of the projector, and a door lock for locking the L-shaped door plate is arranged on the outer shell.
Furthermore, the projector is in sliding fit with the outer shell, a shifting lever on the side face of the projector penetrates through the outer shell to extend outwards, and a tension spring is connected between the projector and the top of the outer shell.
Further, be equipped with the end plate frame on the lift U-shaped frame, be equipped with a pair of erection column on the end plate frame, the both ends of convex wave kickboard are established respectively on the erection column that corresponds, just the wave kickboard with be equipped with a pair of spring between the end plate frame, the telescopic link with the groove engagement of the correspondence of wave kickboard.
Furthermore, the upper end of telescopic link and the lower extreme fixed connection of a folding rod, the upper end of folding rod to the mounting bracket direction extends, is located strip hole on the upper end of folding rod with the spacing post swing joint of mounting bracket.
Further, the lead screw drive assembly comprises a driven gear and a driving gear, wherein the driven gear is coaxially arranged with the lead screw, the driving gear is arranged in the mounting frame and meshed with the driven gear, and a rotary knob is arranged on a rotary shaft of the driving gear.
Furthermore, a key protrusion in the knob is in sliding fit with a key groove in the rotating shaft, a convex column is arranged on the bottom surface of the knob, and the convex column is inserted into a corresponding lock hole in the mounting rack under the action of a pressure spring when the knob is reset.
According to the technical scheme, the invention has the following beneficial effects:
the installation frame is movably provided with the screw rod and the screw rod driving assembly for driving the screw rod to rotate, and the lifting module is in threaded fit with the screw rod, so that the height position of the lifting module is adjusted by rotating a knob of the screw rod driving assembly, the position adjustment of the projector is further realized, the local content can be conveniently amplified and displayed or the content with larger breadth can be comprehensively displayed, and the use is convenient;
because the projector module can be adjusted left and right, the position can be adjusted according to the use habit of a user, and the use comfort level is improved;
due to the fact that the lock shell is arranged, the projector can be conveniently stored, loss or damage is avoided, and the service life is prolonged;
because the illumination module adjusts the illumination range in real time along with the position adjustment of the lifting module, enough light can be provided to enable the projection to be clearer, and the influence of the shadow of the projector on the projection is avoided.
The invention is described in further detail below with reference to the figures and the detailed description.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a projection apparatus according to the present invention.
Fig. 2 is a schematic view of the connection between the projector module and the lifting U-shaped frame according to the present invention.
Fig. 3 is a schematic structural diagram of a projector module of the present invention.
Fig. 4 is a schematic view of another structure of the projector module of the present invention.
Fig. 5 is a schematic view of the installation of the wavy floating plate of the lighting module of the present invention.
Description of reference numerals: the lifting device comprises a mounting frame 1, a guide groove 11, a screw rod 2, a lifting module 3, a lifting U-shaped frame 31, a side groove 311, a pawl 3111, a guide hole 312, an end plate frame 313, a wave-shaped floating plate 314, a mounting column 315, a spring 316, a projector module 32, a sliding block 321, a ratchet group 3211, a sliding column 3212, an outer shell 322, a notch 3221, a projector 323, a shift lever 3231, a rack 3232, a driven gear 324, an L-shaped door panel 325, a door lock 326, a tension spring 327, a lighting module 33, a telescopic rod 331, a lamp cap 332, a rotating shaft 333, a folding rod 334, a strip-shaped hole 3341, a screw rod driving component 4, a driven gear 41, a driving gear 42, a knob.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The application is further explained with reference to fig. 1 to 5 below, and a multimedia platform for teaching comprises a box body, the box up end is the operation panel, be equipped with the sliding closure on the operation panel, the sliding closure below is equipped with the host computer, be equipped with fingerprint identification ware and electronic lock on the sliding closure, fingerprint identification ware and electronic lock pass through the wire and connect the host computer, be equipped with a microphone on the operation panel, the side of box is equipped with the stereo set, microphone and stereo set all with the host computer links to each other, be equipped with a recess on the operation panel, be equipped with the turning block in the recess, be equipped with projection arrangement on the turning block, the folding display that is equipped with in the place ahead of operation panel, the display with projection arrangement links to each other.
As shown in fig. 1, the projection apparatus includes an installation frame 1 and a lifting module 3, the installation frame 1 is installed on the top surface of the box body through the turning block, and a screw rod 2 and a screw rod driving assembly 4 for driving the screw rod 2 to rotate are movably arranged on the installation frame 1; the lifting module 3 comprises a lifting U-shaped frame 31, a projector module 32 and a lighting module 33, and the lifting U-shaped frame 31 slides up and down along the guide groove 11 of the mounting frame 1 under the action of the screw rod 2 to realize up-and-down position adjustment; the projector module 32 can horizontally slide along a U-shaped groove of the lifting U-shaped frame 31 to realize left-right position adjustment, the projector module 32 comprises a lock shell and a projector 323 arranged in the lock shell, the projector 323 automatically falls down when a pair of L-shaped door plates 325 of the lock shell are opened so as to be convenient for projection work, the projector 323 is limited in the lock shell when the pair of L-shaped door plates 325 are closed and locked so as to avoid the projector 323 from being lost or damaged, and the service life of the projector 323 is prolonged; the lighting module 33 comprises a telescopic rod 331 pivoted on the lifting U-shaped frame 31 and a lamp head 332 arranged on the telescopic rod 331, one end of the telescopic rod 331 is connected with the mounting frame 1, the lifting module 3 drives the telescopic rod 331 to rotate to adjust the irradiation range of the lamp head 332 when moving up and down, the illumination intensity of the lamp head 332 irradiating below the projector 323 is adjusted by adjusting the length of the telescopic rod 331, and the projection effect is prevented from being influenced by the reflection of the image.
As shown in fig. 2, two ratchet groups 3211 with opposite directions are disposed on the slider 321 of the projector module 32, two sides of the slider 321 are respectively in sliding fit with the corresponding side grooves 311 on the inner side surfaces of the U-shaped grooves, the pawls 3111 located in the side grooves 311 are engaged with the corresponding ratchet groups 3211, the handles of the pawls 3111 extend outward, the sliding posts 3212 located on the slider 321 are in sliding fit with the guide holes 312 located on the lifting U-shaped frame 31, when the projector module 32 needs to be adjusted, the handles of the corresponding pawls 3111 are pressed to separate the pawls 3111 from the corresponding ratchet groups 3211, then the slider 321 is moved to a proper position, the pawls 3111 are released after the movement is finished, the pair of pawls 3111 are disposed to prevent the slider 321 from randomly sliding left and right, the slider 321 can also be connected with the mounting frame 1 by a screw rod or a screw rod assembly to realize left and right movement, however, the use of a lead screw arrangement can slow the adjustment process.
As shown in fig. 3 and 4, the lock case further includes an outer case 322, the outer case 322 is fixedly connected to the slider 321, two sides of the outer case 322 are respectively provided with a driven gear 324, the L-shaped door panel 325 is coaxially and fixedly connected to the corresponding driven gear 324, the driven gear 324 is engaged with a corresponding rack 3232 located on the side surface of the projector 323, the L-shaped door panel 325 penetrates through a corresponding door-shaped notch 3221 located on the side wall of the outer case 322 when being closed, the outer case 322 is provided with a door lock 326 for locking the L-shaped door panel 325, the door lock 326 is an electronic lock, and the door lock 326 and the electronic lock located on the sliding cover are opened and locked simultaneously.
As shown in fig. 1 and 5, an end plate frame 313 is arranged on the lifting U-shaped frame 31, a pair of mounting posts 315 is arranged on the end plate frame 313, two ends of a circular arc-shaped wave-shaped floating plate 314 are respectively sleeved on the corresponding mounting posts 315, a pair of springs 316 is arranged between the wave-shaped floating plate 314 and the end plate frame 313, and the telescopic rod 331 is engaged with the corresponding grooves of the wave-shaped floating plate 314.
The upper end and the pin joint of telescopic link 331 are in pivot 333 fixed connection on the end grillage 313, the lower extreme of folding rod 334 with pivot 333 fixed connection, the upper end of folding rod 334 to 1 direction of mounting bracket extends, is located strip hole 3341 on the upper end of folding rod 334 with the spacing post swing joint of mounting bracket 1 works as when lifting module 3 moves down, telescopic link 331 is inside to overturn, works as when lifting module 3 rises, the outside upset of telescopic link 331 carries out illumination scope adjustment along with the position of projecting apparatus module 32, makes the projection effectual, works as spacing post with during the separation of folding rod 334, the angle of illumination of manually regulated 332, wave shaped floating plate 314 can prevent pivot 333 free rotation.
The screw rod driving assembly 4 comprises a driven gear 41 and a driving gear 42, wherein the driven gear 41 is coaxially arranged with the screw rod 2, the driving gear 42 is arranged in the mounting frame 1 and meshed with the driven gear 41, a knob 43 is arranged on a rotating shaft of the driving gear 42, a key in the knob 43 is in convex fit with a key groove in the rotating shaft in a sliding mode, a convex column 431 is arranged on the bottom surface of the knob 43, the convex column 431 is inserted into a corresponding lock hole in the mounting frame 1 under the action of a pressure spring when the knob 43 is reset, the knob 43 is lifted up to rotate and can drive the screw rod 2 to rotate, the screw rod 2 can be prevented from rotating randomly after the knob 43 is reset, and the lifting module 3 is reliable in positioning.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a multimedia platform is used in teaching, includes display, microphone, stereo set and the projection arrangement of box, host computer, folding setting, its characterized in that, projection arrangement includes:
the mounting rack (1) is mounted on the top surface of the box body through a rotating block, and a screw rod (2) and a screw rod driving assembly (4) for driving the screw rod (2) to rotate are movably arranged on the mounting rack (1);
the lifting module (3) comprises a lifting U-shaped frame (31), a projector module (32) and a lighting module (33), and the lifting U-shaped frame (31) slides up and down along the guide groove (11) of the mounting frame (1) under the action of the screw rod (2); the projector module (32) can horizontally slide along a U-shaped groove of the lifting U-shaped frame (31), the projector module (32) comprises a lock shell and a projector (323) arranged in the lock shell, the projector (323) automatically falls when a pair of L-shaped door plates (325) of the lock shell are opened, and the projector (323) is limited in the lock shell when the pair of L-shaped door plates (325) are closed and locked; the lighting module (33) comprises a telescopic rod (331) pivoted on the lifting U-shaped frame (31) and a lamp holder (332) arranged on the telescopic rod (331), one end of the telescopic rod (331) is connected with the mounting frame (1), and the lifting module (3) drives the telescopic rod (331) to rotate when moving up and down.
2. The multimedia platform for teaching as claimed in claim 1, wherein two sets of ratchet sets (3211) are disposed on the slider (321) of the projector module (32), the two sides of the slider (321) are respectively in sliding fit with the corresponding side grooves (311) disposed on the inner side surfaces of the U-shaped grooves, the pawls (3111) disposed in the side grooves (311) are engaged with the corresponding ratchet sets (3211), the handles of the pawls (3111) extend outward, and the sliding posts (3212) disposed on the slider (321) are in sliding fit with the guide holes (312) disposed on the lifting U-shaped frame (31).
3. The multimedia platform for teaching as claimed in claim 1, wherein the lock case further comprises an outer case (322), two sides of the outer case (322) are respectively provided with a driven gear (324), the L-shaped door panel (325) is coaxially and fixedly connected with the corresponding driven gear (324), the driven gear (324) is engaged with a corresponding rack (3232) located on the side surface of the projector (323), and a door lock (326) for locking the L-shaped door panel (325) is arranged on the outer case (322).
4. A multimedia teaching platform according to claim 3, wherein the projector (323) is slidably engaged with the outer housing (322), a lever (3231) on a side of the projector (323) extends outwardly through the outer housing (322), and a tension spring (327) is connected between the projector (323) and a top of the outer housing (322).
5. The multimedia platform for teaching as claimed in claim 1, wherein the lifting U-shaped frame (31) is provided with an end plate frame (313), the end plate frame (313) is provided with a pair of mounting posts (315), two ends of a circular arc-shaped wave-shaped floating plate (314) are respectively sleeved on the corresponding mounting posts (315), a pair of springs (316) are arranged between the wave-shaped floating plate (314) and the end plate frame (313), and the telescopic rod (331) is engaged with the corresponding groove of the wave-shaped floating plate (314).
6. The multimedia platform for teaching as claimed in claim 5, wherein the upper end of the telescopic rod (331) is fixedly connected with the lower end of a folding rod (334), the upper end of the folding rod (334) extends towards the mounting frame (1), and a strip-shaped hole (3341) located on the upper end of the folding rod (334) is movably connected with a limit column of the mounting frame (1).
7. The multimedia platform for teaching as claimed in claim 1, wherein the screw driving assembly (4) comprises a driven gear (41) coaxially arranged with the screw (2) and a driving gear (42) arranged in the mounting frame (1) and engaged with the driven gear (41), and a rotary shaft of the driving gear (42) is provided with a knob (43).
8. The multimedia teaching platform according to claim 7, wherein a key protrusion in the knob (43) is slidably engaged with a key groove on the rotation shaft, a protruding column (431) is provided on the bottom surface of the knob (43), and the protruding column (431) is inserted into a corresponding lock hole on the mounting frame (1) under the action of a compression spring when the knob (43) is reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113173.7A CN109785688B (en) | 2019-02-13 | 2019-02-13 | Multimedia platform for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113173.7A CN109785688B (en) | 2019-02-13 | 2019-02-13 | Multimedia platform for teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109785688A CN109785688A (en) | 2019-05-21 |
| CN109785688B true CN109785688B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113173.7A Expired - Fee Related CN109785688B (en) | 2019-02-13 | 2019-02-13 | Multimedia platform for teaching |
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| Country | Link |
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| CN (1) | CN109785688B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346293A (en) * | 2019-05-28 | 2019-10-18 | 福建浩蓝光电有限公司 | A kind of optical lens platform that stability is high |
| CN111031450B (en) * | 2019-12-17 | 2021-01-22 | 浙江大丰实业股份有限公司 | Stage stereo set and control system of convenient equipment |
| CN112711168A (en) * | 2021-01-28 | 2021-04-27 | 成都雁雅悦美商贸有限公司 | Energy-saving image playing projection auxiliary equipment with protection effect |
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| JP2006330525A (en) * | 2005-05-30 | 2006-12-07 | Fujitsu General Ltd | Projection type display device |
| CN203708332U (en) * | 2013-12-31 | 2014-07-09 | 浙江博采传媒有限公司 | Nine-shaft automatic photographic device |
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| CN87207214U (en) * | 1987-06-19 | 1988-04-13 | 南京电光仪器厂 | Hinging apparatus of transmissive projector |
| US8302917B2 (en) * | 2010-07-09 | 2012-11-06 | Soundbar Brackets LLC | Bracket |
| CN201893033U (en) * | 2010-11-23 | 2011-07-06 | 郭凯 | Novel teaching-use multimedia equipment |
| US20150316199A1 (en) * | 2014-03-06 | 2015-11-05 | Neil A. Moore | System for Attaching and Variably Positioning Accessories and Devices on a Surface |
| CN203892847U (en) * | 2014-06-24 | 2014-10-22 | 邵永强 | Dual-door-opening type ceiling hidden projector electric lifting frame |
| CN205609050U (en) * | 2016-03-16 | 2016-09-28 | 侯志军 | Multimedia teaching platform |
| CN107833529B (en) * | 2017-11-28 | 2023-10-03 | 重庆嘉佑禾科技咨询有限公司 | Multifunctional LED screen |
| CN108332022A (en) * | 2018-05-08 | 2018-07-27 | 胡珉潇 | A kind of controlled motion mechanism of projector position automatic adjustment |
| CN109114379A (en) * | 2018-10-18 | 2019-01-01 | 大连锦晟电教设备有限公司 | A kind of educational technology equipment facilitating installing and dismounting projector hoisting mechanism |
| CN109253357A (en) * | 2018-10-24 | 2019-01-22 | 李佳原 | A kind of guard monitor device being easily installed |
| CN109210507A (en) * | 2018-12-02 | 2019-01-15 | 仪征市嘉中电子元件有限公司 | A kind of easy repairing type road lamp frame |
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- 2019-02-13 CN CN201910113173.7A patent/CN109785688B/en not_active Expired - Fee Related
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| JP2006330525A (en) * | 2005-05-30 | 2006-12-07 | Fujitsu General Ltd | Projection type display device |
| CN203708332U (en) * | 2013-12-31 | 2014-07-09 | 浙江博采传媒有限公司 | Nine-shaft automatic photographic device |
| CN108769607A (en) * | 2018-06-14 | 2018-11-06 | 杨松礼 | A kind of intelligent construction energy conservation and environmental protection monitoring device |
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