CN205959438U - Multimedia device that university's teaching was used - Google Patents
Multimedia device that university's teaching was used Download PDFInfo
- Publication number
- CN205959438U CN205959438U CN201620462374.XU CN201620462374U CN205959438U CN 205959438 U CN205959438 U CN 205959438U CN 201620462374 U CN201620462374 U CN 201620462374U CN 205959438 U CN205959438 U CN 205959438U
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- China
- Prior art keywords
- motor
- lectern
- fixed
- teaching
- multimedia device
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Abstract
The utility model provides a multimedia device that university's teaching was used, relates to a multimedia device. Say that desktop fixed mounting has the computer, say that the desktop is equipped with long recess, long recess one end is equipped with a logical groove, the cylinder body of pneumatic cylinder end arrange in logical tank bottom portion and with lectern fixed connection, the casing of motor and the tailpiece of the piston rod fixed connection of pneumatic cylinder, the quick -witted one end of electronic book curtain is fixed on the output shaft of motor, the one end of the soft curtain of rear -projection is fixed on the spool of electronic book curtain machine, two foot switch are connected with motor and electronic book curtain electromechanics respectively, the projecting apparatus is connected with computer wireless, the camera lens of projecting apparatus encircles all around and is fixed with the light screen, the projecting apparatus passes through telescopic link fixed connection with the bottom plate, the lower fixed surface of bottom plate has four locking truckles. Its easy operation does not need the (window) curtain to shelter from the imaging that light also can be clear, does not produce the space conflict with the blackboard moreover, and the projecting apparatus is still portable, has avoided the danger of switch projecting apparatus.
Description
Technical field
This utility model is related to a kind of multimedia device, the multimedia device that especially a kind of Teaching in University uses.
Background technology
Usually can be given lessons using multimedia device during Teaching in University, using projector, the lecture contents in computer be thrown
It is placed on projection screen, so that student lecture contents is intuitively observed and understands.However, existing multimedia device
Troublesome poeration, in valve projection instrument, just can touch throwing because the problem of height typically requires people and steps down on desk or chair
Shadow instrument, very dangerous, and also projection screen and blackboard can produce conflicting spatially.Additionally, needing by window in projection
Curtain shuts out the light raising definition, causes rather dark in classroom, affects Students ' Learning state.
Content of the invention
The purpose of this utility model is the multimedia device providing a kind of Teaching in University to use, and it is simple to operate, is not required to
Want curtain shut out the light also can clearly imaging, and do not produce Steric clashes with blackboard, projector is also movably arranged, it is to avoid
The danger of valve projection instrument.
Realize above-mentioned purpose, this utility model takes following technical proposals：The multimedia device that a kind of Teaching in University uses,
Including lectern, computer, hydraulic cylinder, motor, electric rolling curtain device, rear-projection supporting part, base plate, expansion link, projector, dark slide, two
Individual foot switch and four locking castors, the centre position of described lectern upper surface is installed with computer, lectern upper table
The rear end in face is provided with a long recess, and one end of described long recess bottom surface is provided with the groove of a vertical direction, described liquid
The cylinder body end of cylinder pressure is placed in described groove bottom and is fixedly connected with lectern, and the action bars of hydraulic cylinder is placed in the bottom of lectern,
The housing of described motor is fixedly connected with the tailpiece of the piston rod of hydraulic cylinder, and the output shaft of motor is vertically arranged upward, described
Electric rolling curtain device be horizontally disposed with, and electric rolling curtain device one end is fixed on the output shaft of motor, described rear-projection supporting part
One end is fixed on the spool of electric rolling curtain device, and two described foot switchs are electrically connected with motor and electric rolling curtain device respectively
Connect, two foot switchs are placed in the bottom of lectern, described projector is connected with computer wireless, the camera lens surrounding cincture of projector
It is fixed with dark slide, the bottom of projector is fixedly connected by expansion link with the upper surface of base plate, the lower surface of described base plate
It is fixedly installed four locking castors, four described locking castors are in rectangular layout.
Compared with prior art, the beneficial effects of the utility model are：
1. this utility model can step on foot switch by teacher's foot and the action bars of hydraulic cylinder is controlled, simple to operate；
2. this utility model carries out imaging using rear-projection supporting part, and the reflectance of sensitive surface is extremely low it is not necessary to curtain blocks light
Line also can clearly imaging, improve student learning state；
3. rear-projection supporting part is combined by this utility model with lectern, and projector is movably arranged, it is to avoid produce space with blackboard
Conflict and the danger of valve projection instrument.
Brief description
Fig. 1 is the overall structure axonometric drawing when multimedia device that Teaching in University of the present utility model uses uses；
Fig. 2 is the overall structure axonometric drawing during multimedia device non-usage shown in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model is carried out clear,
It is fully described by it is clear that described embodiment is only a part of embodiment of utility model, rather than whole embodiments,
Based on the embodiment in this utility model, those of ordinary skill in the art are obtained under the premise of not making creative work
Every other embodiment, broadly falls into the scope of this utility model protection.
As shown in Fig. 1 ~ Fig. 2, the utility model discloses a kind of Teaching in University use multimedia device, including lectern 1,
Computer 2, hydraulic cylinder 3, motor 4, electric rolling curtain device 5, rear-projection supporting part 6, base plate 8, expansion link 10, projector 11, dark slide 12,
Two foot switchs 7 and four locking castors 9, the centre position of described lectern 1 upper surface is installed with computer 2, says
The rear end of table 1 upper surface is provided with a long recess, and one end of described long recess bottom surface is provided with the groove of a vertical direction, institute
The cylinder body end of the hydraulic cylinder 3 stated is placed in described groove bottom and is fixedly connected with lectern 1, and the action bars of hydraulic cylinder 3 is placed in be said
The bottom of table 1, the described housing of motor 4 is fixedly connected with the tailpiece of the piston rod of hydraulic cylinder 3, and the output shaft of motor 4 is vertical
Arrange upward, described electric rolling curtain device 5 is horizontally disposed with, and electric rolling curtain device 5 one end be fixed on the output shaft of motor 4,
One end of described rear-projection supporting part 6 is fixed on the spool of electric rolling curtain device 5, described two foot switchs 7 respectively with electronic
Machine 4 and electric rolling curtain device 5 electrically connect, and two foot switchs 7 are placed in the bottom of lectern 1, and described projector 11 is wireless with computer 2
Connect, around being fixed with dark slide 12, the upper surface of the bottom of projector 11 and base plate 8 is by stretching for the camera lens surrounding of projector 11
Contracting bar 10 is fixedly connected, and described expansion link 10 includes outer tube and the inner tube being mutually socketed, and described outer tube wall radially sets
There is screw, in described screw, be connected with jackscrew, outer tube is fastenedly connected by jackscrew with inner tube, the lower surface of described base plate 8
It is fixedly installed four locking castors 9, four described locking castors 9 are in rectangular layout, and four locking castors 9 are Universal lock
Tight castor.
When using this utility model, open computer 2, teacher steps on the action bars of hydraulic cylinder 3 by electric rolling curtain device 5 by foot
Rise to suitable height, then again two foot switchs 7 are stepped on by foot and control motor 4 and electric rolling curtain device 5 respectively, by electricity
Dynamic rolling curtain device 5 rotates to suitable location and puts down rear-projection supporting part 6, is then turned on and mobile projector instrument 11 according to highly desirable adjustment
Expansion link 10, enables projector 11 complete imaging in rear-projection supporting part 6, and rear-projection supporting part 6 is placed between projector 11 and student.
Described electric rolling curtain device 5 is prior art, can be with outsourcing, it would however also be possible to employ Authorization Notice No. CN2772590Y,
Authorized announcement date on April 19th, 2006, entitled《Electric rolling curtain device》The technical scheme of utility model.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized with other dress body forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of condition of equivalent that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (3)
1. the multimedia device that a kind of Teaching in University uses, including lectern（1）And computer（2）, described lectern（1）Upper surface
Centre position is installed with computer（2）It is characterised in that：The multimedia device that described Teaching in University uses also includes hydraulic pressure
Cylinder（3）, motor（4）, electric rolling curtain device（5）, rear-projection supporting part（6）, base plate（8）, expansion link（10）, projector（11）, shading
Plate（12）, two foot switchs（7）And four locking castors（9）, lectern（1）The rear end of upper surface is provided with a long recess,
One end of described long recess bottom surface is provided with the groove of a vertical direction, described hydraulic cylinder（3）Cylinder body end be placed in described
Groove bottom and and lectern（1）It is fixedly connected, hydraulic cylinder（3）Action bars be placed in lectern（1）Bottom, described motor
（4）Housing and hydraulic cylinder（3）Tailpiece of the piston rod be fixedly connected, motor（4）Output shaft vertically arrange upward, described electricity
Dynamic rolling curtain device（5）It is horizontally disposed with, and electric rolling curtain device（5）One end is fixed on motor（4）Output shaft on, described rear-projection is soft
Curtain（6）One end be fixed on electric rolling curtain device（5）Spool on, described two foot switchs（7）Respectively with motor（4）And
Electric rolling curtain device（5）Electrical connection, two foot switchs（7）It is placed in lectern（1）Bottom, described projector（11）With computer
（2）Wireless connection, projector（11）Camera lens surrounding around being fixed with dark slide（12）, projector（11）Bottom and base plate
（8）Upper surface pass through expansion link（10）It is fixedly connected, described base plate（8）Lower surface be fixedly installed four locking castors
（9）, described four locking castors（9）In rectangular layout.
2. a kind of Teaching in University according to claim 1 uses multimedia device it is characterised in that：Described expansion link
（10）Outer tube including mutual socket and inner tube, described outer tube wall are radially provided with screw, are connected with described screw
Jackscrew, outer tube is fastenedly connected by jackscrew with inner tube.
3. a kind of Teaching in University according to claim 1 and 2 uses multimedia device it is characterised in that：Described four
Individual locking castor（9）It is universal locking castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620462374.XU CN205959438U (en) | 2016-05-20 | 2016-05-20 | Multimedia device that university's teaching was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620462374.XU CN205959438U (en) | 2016-05-20 | 2016-05-20 | Multimedia device that university's teaching was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959438U true CN205959438U (en) | 2017-02-15 |
Family
ID=57968100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620462374.XU Expired - Fee Related CN205959438U (en) | 2016-05-20 | 2016-05-20 | Multimedia device that university's teaching was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959438U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221207A (en) * | 2017-06-27 | 2017-09-29 | 郜莹 | A kind of children's development of potential servicing unit |
| CN109473004A (en) * | 2018-11-23 | 2019-03-15 | 贺莉娜 | A kind of intelligent tutoring system towards autism-spectrum disorder with children |
| CN110766990A (en) * | 2019-11-08 | 2020-02-07 | 长春师范大学 | Computer multimedia teaching equipment with remote tutoring function in colleges and universities |
-
2016
- 2016-05-20 CN CN201620462374.XU patent/CN205959438U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221207A (en) * | 2017-06-27 | 2017-09-29 | 郜莹 | A kind of children's development of potential servicing unit |
| CN109473004A (en) * | 2018-11-23 | 2019-03-15 | 贺莉娜 | A kind of intelligent tutoring system towards autism-spectrum disorder with children |
| CN110766990A (en) * | 2019-11-08 | 2020-02-07 | 长春师范大学 | Computer multimedia teaching equipment with remote tutoring function in colleges and universities |
| CN110766990B (en) * | 2019-11-08 | 2021-08-03 | 长春师范大学 | Computer multimedia teaching equipment with remote tutoring function in colleges and universities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20180520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |