CN203721049U - Adjustable law teaching projector - Google Patents
Adjustable law teaching projector Download PDFInfo
- Publication number
- CN203721049U CN203721049U CN201420118549.6U CN201420118549U CN203721049U CN 203721049 U CN203721049 U CN 203721049U CN 201420118549 U CN201420118549 U CN 201420118549U CN 203721049 U CN203721049 U CN 203721049U
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- cavity
- projection
- chamber
- lamp
- transmission
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Abstract
The utility model discloses an adjustable law teaching projector which comprises a light supply cavity, a transitional cavity and a transmission cavity. The front end of the light supply cavity is connected with the transitional cavity, and the front end of the transitional cavity is connected with the transmission cavity. A lamp cavity is arranged between the light supply cavity and the transitional cavity, a concentrator and a projection lamp are arranged in the lamp cavity, and the projection lamp is connected with the front portion of the concentrator. The transitional cavity is provided with a projector body at a position close to the transmission cavity, and the projector body is internally provided with a projection film cavity. The transmission cavity is internally provided with transmission glass. The concentrator is provided with a power wire which is connected with a power interface in the light supply cavity. According to the utility model, different projection films can be conveniently replaced according to requirements, the height and distance of a projection screen can be adjusted according to projection equipments to realize projection of different contents and distances, and thus, convenience is provided for teaching and use.
Description
Technical field
The utility model relates to a kind of adjustable Legal Teaching projection arrangement, belongs to Legal Teaching utensil technical field.
Background technology
At present, in Legal Teaching process, often need to show for some data, so that auxiliary Students ' Learning and understanding better, along with popularizing of electronic product, be much that photo provides, or adopt multimedia mode to show, but, for the bad area of some conditions, or the insuperior area of teaching condition, because price problem, cannot adopt these devices, and still adopt simple Film processing or directly show file, obviously affected efficiency of teaching, to this, need to be improved, to impart knowledge to students better.
Summary of the invention
The purpose of this utility model is to provide a kind of adjustable Legal Teaching projection arrangement, conveniently changes as required different projection films, and is convenient to regulate the height and distance of projection screen, is convenient to teaching and improves teaching efficiency.
The utility model solves the technical scheme that its technical matters adopts: a kind of adjustable Legal Teaching projection arrangement, comprise for optical cavity, adapter cavity and transmission chamber, for optical cavity front end, be connected with adapter cavity, adapter cavity front end is connected with transmission chamber, wherein, for being provided with lamp chamber between optical cavity and adapter cavity, in lamp chamber, be provided with condenser and projection lamp, projection lamp is connected to the forward position of condenser; Adapter cavity is provided with projector near the position in transmission chamber, is provided with projection film chamber in projector; Transmission is provided with transmissive glass in chamber; On condenser, being provided with power lead is connected with the power interface being arranged on on optical cavity.
Further, on optical cavity and transmission chamber, be provided with connecting link, be provided with a post on connecting link, on upper slice post, be provided with a plurality of feed devices, each feed device is connected with upper slice post employing sliding sleeve; In each feed device, be provided with film feeding chamber.
Further, transmission chamber is connected with expansion link on outside, and the expansion link other end is connected with projection screen.
The utility model device, can utilize a plurality of feed devices to carry out feed, and change as required projection film, thereby can realize a plurality of film feeding projections, and projection screen can regulate height and distance, as required choice for use.During concrete enforcement, the film that needs projection is placed in the film feeding chamber in feed device, utilize sliding sleeve to move, make film feeding chamber relative with the projection film chamber in projector, the film that needs projection is inserted in projection film chamber, then utilize power interface power supply, utilize condenser to carry out optically focused, and by projection lamp emission of light, irradiate the film in projection film chamber, film content is radiated on projection screen by transmissive glass, thereby realizes the projection of film.And expansion link can be used for the height and distance adjusting of projection screen, be convenient to projection as required.
The beneficial effects of the utility model are: the utility model device is convenient to change as required different projection films, projection as required, and can regulate the height and distance of projection screen, thereby realize the projection of different content and distance, convenient teaching and use.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
Fig. 1 is institute's operative installations structural representation in the utility model embodiment.
Number in the figure:
1, power interface; 2, condenser; 3, for optical cavity; 4, connecting link; 5, upper slice post; 6, feed device; 7, film feeding chamber; 8, sliding sleeve; 9, transmissive glass; 10, transmission chamber; 11, expansion link; 12, projection screen; 13, projection film chamber; 14, projector; 15, projection lamp; 16, lamp chamber; 17, adapter cavity.
Embodiment
Adjustable Legal Teaching projection arrangement as shown in Figure 1, comprise for optical cavity 3, adapter cavity 17 and transmission chamber 10, for optical cavity 3 front ends, be connected with adapter cavity 17, adapter cavity 17 front ends are connected with transmission chamber 10, wherein, for being provided with lamp chamber 16 between optical cavity 3 and adapter cavity 17, in lamp chamber 16, be provided with condenser 2 and projection lamp 15, projection lamp 15 is connected to the forward position of condenser 2; Adapter cavity 17 is provided with projector 14 near the position in transmission chamber 10, is provided with projection film chamber 13 in projector 14; In transmission chamber 10, be provided with transmissive glass 9; On condenser 2, being provided with power lead is connected with the power interface 1 being arranged on on optical cavity 3.
For on optical cavity 3 and transmission chamber 10, be provided with connecting link 4, be provided with a post 5 on connecting link 4, on upper slice post 5, be provided with a plurality of feed devices 6, each feed device 6 is connected with upper slice post 5 employing sliding sleeves 8; In each feed device 6, be provided with film feeding chamber 7.Transmission chamber is connected with expansion link 11 on 10 outsides, and expansion link 11 other ends are connected with projection screen 12.
The utility model device, can utilize a plurality of feed devices 6 to carry out feed, and change as required projection film, thereby can realize a plurality of film feeding projections, and projection screen 12 can regulate height and distance, as required choice for use.During concrete enforcement, the film that needs projection is placed in the film feeding chamber 7 in feed device 6, utilize sliding sleeve 8 to move, make film feeding chamber 7 relative with the projection film chamber 13 in projector 14, the film that needs projection is inserted in projection film chamber 13, then utilize power interface 1 power supply, utilize condenser 2 to carry out optically focused, and by projection lamp 15 emission of lights, irradiate the film in projection film chamber 13, film content is radiated on projection screen 12 by transmissive glass 9, thereby realizes the projection of film.And expansion link 11 can be used for the height and distance adjusting of projection screen 12, be convenient to projection as required.
Claims (3)
1. an adjustable Legal Teaching projection arrangement, comprise for optical cavity, adapter cavity and transmission chamber, for optical cavity front end, be connected with adapter cavity, adapter cavity front end is connected with transmission chamber, it is characterized in that: described for being provided with lamp chamber between optical cavity and adapter cavity, described lamp is provided with condenser and projection lamp in chamber, and described projection lamp is connected to the forward position of condenser; Described adapter cavity is provided with projector near the position in transmission chamber, is provided with projection film chamber in described projector; Described transmission is provided with transmissive glass in chamber; On described condenser, being provided with power lead is connected with the power interface being arranged on on optical cavity.
2. adjustable Legal Teaching projection arrangement according to claim 1, it is characterized in that: described for being provided with connecting link on optical cavity and transmission chamber, on described connecting link, be provided with a post, on described upper slice post, be provided with a plurality of feed devices, each feed device adopts sliding sleeve to be connected with upper slice post; In each feed device, be provided with film feeding chamber.
3. adjustable Legal Teaching projection arrangement according to claim 1, is characterized in that: described transmission chamber is connected with expansion link on outside, and the described expansion link other end is connected with projection screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118549.6U CN203721049U (en) | 2014-03-17 | 2014-03-17 | Adjustable law teaching projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118549.6U CN203721049U (en) | 2014-03-17 | 2014-03-17 | Adjustable law teaching projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721049U true CN203721049U (en) | 2014-07-16 |
Family
ID=51160187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420118549.6U Expired - Fee Related CN203721049U (en) | 2014-03-17 | 2014-03-17 | Adjustable law teaching projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979282A (en) * | 2019-05-08 | 2019-07-05 | 周维德 | Historical teaching teacher's pointer |
-
2014
- 2014-03-17 CN CN201420118549.6U patent/CN203721049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979282A (en) * | 2019-05-08 | 2019-07-05 | 周维德 | Historical teaching teacher's pointer |
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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: 20140716 Termination date: 20170317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |