CN204406732U - A kind of multimedia projector - Google Patents
A kind of multimedia projector Download PDFInfo
- Publication number
- CN204406732U CN204406732U CN201520117673.5U CN201520117673U CN204406732U CN 204406732 U CN204406732 U CN 204406732U CN 201520117673 U CN201520117673 U CN 201520117673U CN 204406732 U CN204406732 U CN 204406732U
- Authority
- CN
- China
- Prior art keywords
- vertical rod
- standpipe
- support arm
- projector
- projection screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A kind of multimedia projector, comprise base, the upper surface of described base is provided with standpipe, vertical rod is provided with in described standpipe, the described standpipe position corresponding with vertical rod is provided with fixed orifice, the top of described vertical rod is provided with framework, described framework is made up of two root posts and two beam weldings, bow-shaped support is welded with between two crossbeams, be provided with U-shaped bracket in described bow-shaped support, also comprise telescopic support arm, one end of described support arm is connected with rotating shaft, the other end of described support arm is connected with rack, is provided with projector in described rack.The utility model, by the design of board and projection screen, effectively solves the hand-written intensity of teacher, utilizes projector can the Web-based instruction, adds the study enjoyment of student, effectively improves efficiency of teaching.
Description
Technical field
The utility model relates to a kind of multimedia projector.
Background technology
For the school eduaction of China, the use of all kinds of media products involved by the modernization information education of school exists that using function is single, use occasion is fixed, the low inferior problem of service efficiency mostly, objectively causes the idle of resource and waste.
Summary of the invention
The purpose of this utility model is to provide a kind of multimedia projector, solves the problem that existing projector usage is single.
Described object is achieved by the following scheme: a kind of multimedia projector, comprise base, the upper surface of described base is provided with standpipe, vertical rod is provided with in described standpipe, the described standpipe position corresponding with vertical rod is provided with fixed orifice, the top of described vertical rod is provided with framework, described framework is made up of two root posts and two beam weldings, bow-shaped support is welded with between two crossbeams, U-shaped bracket is provided with in described bow-shaped support, also comprise projection screen, the rear end of described projection screen is provided with the plate matched with bracket, avris in one root post is provided with groove, another root post is provided with cavity, board is provided with in described cavity, the top of described crossbeam is provided with rotating shaft, also comprise telescopic support arm, one end of described support arm is connected with rotating shaft, the other end of described support arm is connected with rack, projector is provided with in described rack.
Pin is provided with in described fixed orifice.
Described projection screen is metal curtain.
The utility model has the following advantages: the utility model, by the design of board and projection screen, effectively solves the hand-written intensity of teacher, utilizes projector can the Web-based instruction, adds the study enjoyment of student, effectively improves efficiency of teaching.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the syndeton schematic diagram of bow-shaped support, U-shaped bracket and projection screen.
Wherein, 1-base, 2-standpipe, 3-vertical rod, 4-fixed orifice, 5-column, 6-crossbeam, 7-bow-shaped support, 8-U type bracket, 9-projection screen, 11-plate, 12-groove, 13-cavity, 14-board, 15-pin, 16-rotating shaft, 17-support arm, 18-rack, 19-projector.
Embodiment
The utility model is elaborated preferred embodiment below in conjunction with accompanying drawing.
A kind of multimedia projector, comprise base 1, it is characterized in that: the upper surface of described base 1 is provided with standpipe 2, vertical rod 3 is provided with in described standpipe 2, described standpipe 2 position corresponding with vertical rod 3 is provided with fixed orifice 4, the top of described vertical rod 3 is provided with framework, described framework is welded by two root posts 5 and two crossbeams 6 and makes, bow-shaped support 7 is welded between two crossbeams 6, U-shaped bracket 8 is provided with in described bow-shaped support 7, also comprise projection screen 9, the rear end of described projection screen 9 is provided with the plate 11 matched with U-shaped bracket 8, avris in one root post 5 is provided with groove 12, another root post 5 is provided with cavity 13, board 14 is provided with in described cavity 13, the top of described crossbeam 6 is provided with rotating shaft 16, also comprise telescopic support arm 17, one end of described support arm 17 is connected with rotating shaft 16, the other end of described support arm 17 is connected with rack 18, projector 19 is provided with in described rack 18.Pin 15 is provided with in described fixed orifice 4.Described projection screen 9 is metal curtain.
Board 14 slides in cavity 13, one end of board 14 is inserted in groove 12, make in board 14 fixed frame, carry out hand-written teaching, board 14 pulls out in cavity 13, projection screen 9 is exposed, content on student's direct viewing projection screen 9, after adjusting the position of vertical rod 3 and standpipe 2, pin 15 is inserted in fixed orifice 4, by the height that coordinate adjusting frame of vertical rod 3 with standpipe 2, meet the actual needs of teaching, during use, telescopic support arm 17 is pulled out, by the rotation of rotating shaft 16, projector 19 is oppositely arranged with projection screen 9, with after support arm 17 is bounced back, by rotating shaft 16, projector 19 is arranged on the avris of framework.
Present embodiment does not just limit its protection domain to the exemplary illustrated of this patent; those skilled in the art can also carry out local to it and change; as long as no the Spirit Essence exceeding this patent, be all considered as the equivalent replacement to this patent, all at the protection domain of this patent.
Claims (3)
1. a multimedia projector, comprise base (1), it is characterized in that: the upper surface of described base (1) is provided with standpipe (2), vertical rod (3) is provided with in described standpipe (2), described standpipe (2) position corresponding with vertical rod (3) is provided with fixed orifice (4), the top of described vertical rod (3) is provided with framework, described framework is made up of two root posts (5) and two crossbeam (6) welding, bow-shaped support (7) is welded with between two crossbeams (6), U-shaped bracket (8) is provided with in described bow-shaped support (7), also comprise projection screen (9), the rear end of described projection screen (9) is provided with the plate (11) matched with U-shaped bracket (8), avris in one root post (5) is provided with groove (12), another root post (5) is provided with cavity (13), board (14) is provided with in described cavity (13), the top of described crossbeam (6) is provided with rotating shaft (16), also comprise telescopic support arm (17), one end of described support arm (17) is connected with rotating shaft (16), the other end of described support arm (17) is connected with rack (18), projector (19) is provided with in described rack (18).
2. multimedia projector according to claim 1, is characterized in that: be provided with pin (15) in described fixed orifice (4).
3. multimedia projector according to claim 1, is characterized in that: described projection screen (9) is metal curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117673.5U CN204406732U (en) | 2015-02-27 | 2015-02-27 | A kind of multimedia projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117673.5U CN204406732U (en) | 2015-02-27 | 2015-02-27 | A kind of multimedia projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406732U true CN204406732U (en) | 2015-06-17 |
Family
ID=53430573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117673.5U Expired - Fee Related CN204406732U (en) | 2015-02-27 | 2015-02-27 | A kind of multimedia projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204406732U (en) |
-
2015
- 2015-02-27 CN CN201520117673.5U patent/CN204406732U/en not_active Expired - Fee Related
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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: 20150617 Termination date: 20210227 |