CN205563062U - A portable projection arrangement for geography teaching - Google Patents
A portable projection arrangement for geography teaching Download PDFInfo
- Publication number
- CN205563062U CN205563062U CN201620130787.8U CN201620130787U CN205563062U CN 205563062 U CN205563062 U CN 205563062U CN 201620130787 U CN201620130787 U CN 201620130787U CN 205563062 U CN205563062 U CN 205563062U
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- CN
- China
- Prior art keywords
- cross bar
- bar member
- expansion link
- receiving chamber
- base unit
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Abstract
The utility model provides a portable projection arrangement for geography teaching, its includes two telescopic links, a base device and a projection arrangement, wherein each the telescopic link respectively telescopically set up in the base device, the projection curtain includes a first horizontal pole component, a second horizontal pole component and a projection curtain when a portable projection arrangement for geography teaching uses, each the telescopic link extends in order to form a projection space simultaneously, sets up in each the telescopic link first horizontal pole component is by each the telescopic link supports to exceeding, the upper portion of projection curtain and lower part set up respectively in first horizontal pole component with second horizontal pole component, thus pass through second horizontal pole component is in the lower part of projection curtain provide the tensile force so that projection curtain exhibit opens the projection space.
Description
Technical field
This utility model relates to a kind of geographical teaching device, especially relates to a kind of portable projection device for geographical teaching,
The wherein said portable projection device for geographical teaching allows geographical teacher to make for projecting geographical knowledge in any place, from
And conveniently use.
Background technology
Along with the development of computer-related technologies, it is widely used during modern teaching and popularizes, such as on ground
During reason teaching, it will usually use the equipment such as projector to be projected out the geographical knowledge being correlated with on projection screen, such as exist
The information such as dynamic ocean current, monsoon can be projected out, in order to student better understood when the knowledge weight being correlated with on projection screen
Point and knowledge difficult point.But, traditional projection screen is integrally fixed on the wall that classroom is anterior, and this causes the projection screen cannot
Moved.In recent years, educational thought and educational pattern are also in constantly reform, and field teaching also begins to become geographical teaching
One of teaching method, owing to being limited by traditional projection screen, out of doors or during Mobile Teaching, it is impossible to uses
The computer-related technologies of the modernization such as projector and projection screen preferably explains knowledge emphasis and knowledge difficult point.Therefore, originally
Utility model provides a kind of portable projection device for geographical teaching, with satisfied geographical teacher use during teaching
Need.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of portable projection device for geographical teaching.
In order to solve the problems referred to above, the technical scheme that this utility model provides is: a kind of portable translucent for geographical teaching fills
Putting, the wherein said portable projection device for geographical teaching includes:
Two expansion links, wherein each described expansion link is respectively provided with a upper end and a bottom, described expansion link
Described upper end and described bottom are mutually corresponding to define the height of described expansion link；
One base unit, wherein said base unit has two installation cavitys, a receiving chamber and a locating slot, described
Locating slot is arranged at a sidepiece of described base unit along the length direction of described base unit, and each described installation cavity is symmetrical
Be arranged on two ends in described receiving chamber, and the accent in each described installation cavity and described receiving chamber be respectively facing described fixed
Position groove, so that each described installation cavity and described receiving chamber are respectively communicated with in described locating slot, the wherein institute of each described expansion link
State bottom and be telescopically arranged in each described installation cavity of described base unit respectively；And
One projection arrangement, wherein said projection arrangement includes first cross bar member, second cross bar member and one
Curtain element, the two ends of described first cross bar member each extend over to be connected to the described upper end of each described expansion link, described
The top of curtain element is arranged at described first cross bar member, and the bottom of described curtain element is arranged at described second cross bar member,
Wherein said second cross bar member and described curtain element are contained in described receiving chamber, and described first cross bar member is positioned
In described locating slot, wherein being formed a projector space each described between expansion link, described curtain element is held in institute
State projector space.
As the further preferred embodiment to the described portable projection device for geographical teaching of the present utility model, described
Base unit includes a base element and a lid element, and described base element has a receptive cavity, two described peaces
Behave affectedly, a described receiving chamber and a described locating slot, the accent of wherein said receptive cavity is towards the side of described base element
Portion, described lid element axle is connected to described base element, so that described lid element is closed the accent of described receptive cavity.
As the further preferred embodiment to the described portable projection device for geographical teaching of the present utility model, described
Projection arrangement also includes an operating element, and described operating element is integrally provided to described first cross bar member.
This utility model has the advantage that and provides the benefit that:
Advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, wherein said for geographical teaching
Portable projection device allow geographical teacher to make in any place for projecting geographical knowledge, thus convenient use.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, wherein said for ground
The portable projection device of reason teaching includes two expansion links, a base unit and a projection arrangement, wherein described in each
Expansion link is telescopically arranged in described base unit respectively, described projection screen include first cross bar member, one second
Cross bar member and a projection screen, when the described portable projection device for geographical teaching uses, each is described flexible
Bar extends to form a projector space simultaneously, and described first cross bar member being arranged at each described expansion link is stretched described in each
Contracting bar supports to exceeding, and the upper and lower of described projection screen is respectively arranged at described first cross bar member and described second cross bar
Element, thus provide tensile force by described second cross bar member in the bottom of described projection screen so that described projection screen launches
At described projector space.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, and wherein said pedestal fills
Putting and have two installation cavitys, a receiving chamber and a locating slot, each described installation cavity is symmetrically disposed on described receiving chamber
Two ends, the accent in each described installation cavity and described receiving chamber towards be communicated in described locating slot, described for ground
When the portable projection device of reason teaching does not use, each described expansion link is hidden in each described installation cavity, and described second is horizontal
Rod element and described projection screen are hidden in described receiving chamber, and described first cross bar member is positioned at described locating slot, thus reduces
The volume of the described portable projection device for geographical teaching, in order to carry the described mancarried device for geographical teaching.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, and wherein said pedestal fills
Put and there is a receptive cavity, store some teaching aids, such as projection geography on described projection screen for helping geographical teacher
The projector of relevant knowledge image stores in can being placed on described receptive cavity.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, and wherein said projection fills
Putting and include an operating element, described operating element is arranged at described first cross bar member, can be operated by described operating element
Described first cross bar member, and then make the described portable projection device for geographical teaching launch.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, wherein said projection screen
The height that cloth is supported can along with each described the regulation of the height of expansion link and be conveniently adjusted, in order to use.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, wherein said for ground
The portable projection device Each part of reason teaching relates to rationally, scientific arrangement, therefore, and described portable for geographical teaching
The material cost of formula projection arrangement and manufacturing cost have and can be effectively controlled and monitor, it is thus possible to improve described use
Cost performance in the portable projection device of geographical teaching.
Another advantage of the present utility model is to provide a kind of portable projection device for geographical teaching, wherein said for ground
The portable projection device of reason teaching is not involved with the technique of complexity and accurate component, and described for geographical teaching just
Take the raw material sources of formula projection arrangement extensively and at a low price, it is possible to effectively meet the demand in market, therefore, described for geography
The portable projection device of teaching has good market prospect and space.
Other purposes of the present utility model, advantage and feature are by following detailed description of the invention, accompanying drawing explanation and claim
Technical characteristic mentioned in book and combinations thereof is further disclosed and is illustrated.
Accompanying drawing explanation
Fig. 1 is that the portable projection device for geographical teaching according to an embodiment of the present utility model is not when using
Schematic perspective view.
Fig. 2 is that the perspective cross-sectional for the portable projection device of geographical teaching according to above-mentioned embodiment of the present utility model shows
It is intended to.
Fig. 3 is the enlarged diagram of the local location of Fig. 2.
Fig. 4 is a use shape of the portable projection device for geographical teaching according to above-mentioned embodiment of the present utility model
The schematic perspective view of state.
Fig. 5 is another use of the portable projection device for geographical teaching according to above-mentioned embodiment of the present utility model
The schematic perspective view of state.
Detailed description of the invention
Hereinafter describe and be used for disclosing this utility model so that those skilled in the art are capable of this utility model.In below describing
Preferred embodiment is only used as citing, it may occur to persons skilled in the art that other obvious modification.Define in the following description
Ultimate principle of the present utility model can apply to other embodiments, deformation program, improvement project, equivalent and do not have
There is the other technologies scheme deviating from spirit and scope of the present utility model.
It is the preferred embodiment provided according to spirit of the present utility model as shown in Figures 1 to 5, wherein new in this practicality
In this embodiment of type, this utility model provides a kind of portable projection device for geographical teaching, wherein said for ground
The portable projection device of reason teaching includes 10, projection arrangement 20 of a base unit and two expansion links 30, wherein
Each described expansion link 30 symmetrically and is telescopically arranged in two sidepieces of described base unit 10, and described in each
Can form a projector space 40 between expansion link 30, described projection arrangement 20 is arranged at each described expansion link 30, with quilt
It is maintained in described projector space 40.
Each described expansion link 30 is respectively provided with a upper end 31 and a bottom 32, described expansion link 30 described
Upper end 31 and described bottom 32 are the most corresponding to define the height of described expansion link 30.It is noted that by changing
Distance between described upper end 31 and the described bottom 32 of described expansion link 30 can change each described expansion link 30
Highly.Described base unit 10 has two installation cavitys 11, and accommodates chamber 12 and a locating slot 13, described locating slot
13 are arranged at a sidepiece of described base unit 10, each described installation cavity 11 along the length direction of described base unit 10
It is symmetrically disposed in two ends in described receiving chamber 12, and the accent in each described installation cavity 11 and described receiving chamber 12 divides
Not towards described locating slot 13, so that each described installation cavity 11 and described receiving chamber 12 are respectively communicated with in described locating slot 13,
Wherein the described bottom 32 of each described expansion link 30 is telescopically arranged in each described peace of described base unit 10 respectively
It behave affectedly 11.Described projection arrangement 20 includes 21, second cross bar member 22 of first cross bar member and a curtain unit
Part 23, the top of 23, described curtain unit is arranged at described first cross bar member 21, and the bottom of described curtain element 23 is arranged at
Described second cross bar member 22, and the two ends of described first cross bar member 21 each extend over to be connected to each described expansion link
The described upper end 31 of 30.
When imparting knowledge to students for the portable projection device of geographical teaching described in using geographical teacher, each described expansion link 30 quilt
Launching, to support described first cross bar member 21 to certain height, certainly, this highly can making according to geographical teacher
Freely it is adjusted with needs, thus between expansion link each described 30, forms described projector space 40.Described first is horizontal
Rod element 21 drives described projection screen 23 to move up, and described second cross bar member 22 relies on self gravitation at described projection screen
Described projection screen 23 is held in the bottom of cloth 23, thus described first cross bar member 21 and described second cross bar member 22 make institute
State projection screen 23 and be deployed in described projector space 40, so that geographical teacher uses projector to carry out on described projection screen 23
Projection, thus carry out geographical teaching.The described portable projection device for geographical teaching is not used to teach geographical teacher
In class hour, each described expansion link 30 is hidden in each described installation cavity 11, described second cross bar member 22 and described projection screen
23 are hidden in described receiving chamber 12, and described first cross bar member 21 is positioned at described locating slot 13, thus reduces described for ground
The volume of the portable projection device of reason teaching, allows it to carry easily.
Preferably, also to include that an operating element 24, described operating element 24 are integrally provided to described for described projection arrangement 20
First cross bar member 21, so that geographical teacher can operate described projection arrangement 20 easily.
Described base unit 10 includes a base element 14 and a lid element 15, and described base element 14 has one
11, described receiving chamber 12 of the described installation cavity of individual receptive cavity 16, two and a described locating slot 13, wherein said connect
By the accent in chamber 16 towards the sidepiece of described base element 14, described lid element 15 axle is connected to described base element 14,
So that described lid element 15 is closed the accent of described receptive cavity 16, geographical teacher can be by teaching aid, and such as projector is deposited
Storage is to described receptive cavity 16.
It should be understood by those skilled in the art that the embodiment of the present utility model shown in foregoing description and accompanying drawing be only used as citing and
It is not limiting as this utility model.The purpose of this utility model is completely and be effectively realized.Function of the present utility model and structure
Principle is shown the most in an embodiment and illustrates, without departing under described principle, embodiment of the present utility model can have any
Deformation or amendment.
Claims (3)
1. the portable projection device for geographical teaching, it is characterised in that including:
Two expansion links, wherein each described expansion link is respectively provided with a upper end and a bottom, described expansion link
Described upper end and described bottom are mutually corresponding to define the height of described expansion link；
One base unit, wherein said base unit has two installation cavitys, a receiving chamber and a locating slot, described
Locating slot is arranged at a sidepiece of described base unit along the length direction of described base unit, and each described installation cavity is symmetrical
Be arranged on two ends in described receiving chamber, and the accent in each described installation cavity and described receiving chamber be respectively facing described fixed
Position groove, so that each described installation cavity and described receiving chamber are respectively communicated with in described locating slot, the wherein institute of each described expansion link
State bottom and be telescopically arranged in each described installation cavity of described base unit respectively；And
One projection arrangement, wherein said projection arrangement includes first cross bar member, second cross bar member and one
Curtain element, the two ends of described first cross bar member each extend over to be connected to the described upper end of each described expansion link, described
The top of curtain element is arranged at described first cross bar member, and the bottom of described curtain element is arranged at described second cross bar member,
Wherein said second cross bar member and described curtain element are contained in described receiving chamber, and described first cross bar member is positioned
In described locating slot, wherein being formed a projector space each described between expansion link, described curtain element is held in institute
State projector space.
2. the portable projection device for geographical teaching as claimed in claim 1, it is characterised in that described base unit bag
Include a base element and a lid element, described base element have a receptive cavity, two described installation cavitys, one
Described receiving chamber and a described locating slot, the accent of wherein said receptive cavity is towards the sidepiece of described base element, described lid
Body member axle is connected to described base element, so that described lid element is closed the accent of described receptive cavity.
3. the portable projection device for geographical teaching as claimed in claim 2, it is characterised in that described projection arrangement is also
Including an operating element, described operating element is integrally provided to described first cross bar member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130787.8U CN205563062U (en) | 2016-02-19 | 2016-02-19 | A portable projection arrangement for geography teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130787.8U CN205563062U (en) | 2016-02-19 | 2016-02-19 | A portable projection arrangement for geography teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205563062U true CN205563062U (en) | 2016-09-07 |
Family
ID=56818597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620130787.8U Expired - Fee Related CN205563062U (en) | 2016-02-19 | 2016-02-19 | A portable projection arrangement for geography teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205563062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646513A (en) * | 2018-07-23 | 2018-10-12 | 柴明 | Portable education and teaching device |
| CN108877321A (en) * | 2018-08-07 | 2018-11-23 | 浙江建设职业技术学院 | A kind of large-size screen monitors laser projection device and its manufacturing method for Intelligent platform |
| CN111462537A (en) * | 2019-01-18 | 2020-07-28 | 郑州升达经贸管理学院 | Multimedia teaching equipment for business administration and implementation method thereof |
-
2016
- 2016-02-19 CN CN201620130787.8U patent/CN205563062U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646513A (en) * | 2018-07-23 | 2018-10-12 | 柴明 | Portable education and teaching device |
| CN108877321A (en) * | 2018-08-07 | 2018-11-23 | 浙江建设职业技术学院 | A kind of large-size screen monitors laser projection device and its manufacturing method for Intelligent platform |
| CN108877321B (en) * | 2018-08-07 | 2021-12-03 | 浙江建设职业技术学院 | Large-screen laser projection device for intelligent platform and manufacturing method thereof |
| CN111462537A (en) * | 2019-01-18 | 2020-07-28 | 郑州升达经贸管理学院 | Multimedia teaching equipment for business administration and implementation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170219 |