CN204791586U - Teaching projecting apparatus - Google Patents
Teaching projecting apparatus Download PDFInfo
- Publication number
- CN204791586U CN204791586U CN201520381824.8U CN201520381824U CN204791586U CN 204791586 U CN204791586 U CN 204791586U CN 201520381824 U CN201520381824 U CN 201520381824U CN 204791586 U CN204791586 U CN 204791586U
- Authority
- CN
- China
- Prior art keywords
- pin
- plate body
- framework
- axostylus axostyle
- central siphon
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a teaching projecting apparatus, includes the base, the upper surface of base passes through telescopic support and frame attach, both sides in the frame are equipped with the axostylus axostyle, the cover has the central siphon on the axostylus axostyle, the central siphon and the plate body fixed connection of both sides, the lower extreme limit portion of plate body is equipped with the pinhole, be equipped with the pin in the pinhole, the cover has cylindrical spring on the pin, the one end of pin is equipped with the dog, the outside that the other end of pin extended to the frame is connected with the handle, the front surface upper end of plate body is equipped with the rectangle recess, be equipped with the magnet strip in the recess, the upper end limit portion of recess articulates through the pivot has the metal strip, the rear surface of plate body is equipped with the projection curtain, the utility model discloses collect multiple functions in an organic whole, convenient to use is swift, and not only can projection education can also impart knowledge to students show and handwriting function, use in a flexible way at its simple structure, can reduce teacher's intensity of labour, improve student's interest in learning.
Description
Technical field
The utility model relates to a kind of educational projector.
Background technology
Projector be a kind of by image or VIDEO PROJECTION to the equipment on curtain, the projector that existing teaching uses is all be fixedly installed in classroom, can not regulate the angle of projection, and the limited area of classroom wall, affect curtain and blackboard hangs simultaneously, bring inconvenience to projection teaching.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency, provides a kind of educational projector.
Described object is achieved by the following scheme: a kind of educational projector, comprise base, the upper surface of described base is connected with framework by telescopic support, both sides in described framework are provided with axostylus axostyle, described shaft rod upper sleeve has central siphon, the central siphon of both sides is fixedly connected with plate body, the lower end edge of described plate body is provided with pin-and-hole, pin is provided with in described pin-and-hole, on described pin, cover has cylindrical spring, one end of described pin is provided with block, the outside that the other end of described pin extends to framework is connected with handle, the rear surface of described plate body is provided with projection screen, the top of described framework is connected with loop bar by support, described loop bar be circumferentially with multiple blind hole, spring is provided with in described blind hole, one end of described spring is provided with ball, on described loop bar, cover has sleeve pipe, the inside surface of described sleeve pipe is provided with the fixed orifice corresponding with blind hole position, described sleeve pipe is provided with support arm, the termination of described support arm is provided with hanger, described hanger is provided with projector.
The front surface of described plate body is provided with board, and the plate body of described board upper end is provided with hook.
The utility model has the following advantages: the utility model gathers multi-function in integral whole, convenient to use, by the upset of plate body, not only can projection teaching can also impart knowledge to students displaying and handwriting functions, its structure is simple, use is flexible, can reduce the labour intensity of teacher, improves the learning interest of student.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the syndeton schematic diagram of loop bar and sleeve pipe.
Fig. 3 is the syndeton schematic diagram of sleeve pipe and projector.
Wherein, 1-base, 2-support, 3-framework, 4-axostylus axostyle, 5-central siphon, 6-plate body, 7-pin-and-hole, 8-pin, 9-cylindrical spring, 10-block, 30-projection screen, 31-loop bar, 32-spring, 33-ball, 34-sleeve pipe, 35-fixed orifice, 36-support arm, 37-hanger, 38-projector, 39-board.
Embodiment
The utility model is elaborated preferred embodiment below in conjunction with accompanying drawing.
A kind of educational projector, comprise base 1, the upper surface of described base 1 is connected with framework 3 by telescopic support 2, both sides in described framework 3 are provided with axostylus axostyle 4, on described axostylus axostyle 4, cover has central siphon 5, the central siphon 5 of both sides is fixedly connected with plate body 6, the lower end edge of described plate body 6 is provided with pin-and-hole 7, pin 8 is provided with in described pin-and-hole 7, on described pin 8, cover has cylindrical spring 9, one end of described pin 8 is provided with block 10, the outside that the other end of described pin 8 extends to framework 3 is connected with handle, the rear surface of described plate body 6 is provided with projection screen 30, the top of described framework 3 is connected with loop bar 31 by support, described loop bar 31 be circumferentially with multiple blind hole, spring 32 is provided with in described blind hole, one end of described spring 32 is provided with ball 33, on described loop bar 31, cover has sleeve pipe 34, the inside surface of described sleeve pipe 34 is provided with the fixed orifice 35 corresponding with blind hole position, described sleeve pipe 34 is provided with support arm 36, the termination of described support arm 36 is provided with hanger 37, described hanger 37 is provided with projector 38, the front surface of described plate body is provided with board 39.The plate body 6 of described board 39 upper end is provided with hook.
Plate body 6 is overturn by axostylus axostyle 4 and being engaged in framework 3 of central siphon 5, and pull handle, makes pin 8 pull out at pin-and-hole 7, plate body 6 overturns, unclamp handle, promote block 10 by the elastic force of cylindrical spring 9, pin 8 is arranged in pin-and-hole 7, plate body 6 and framework 3 are fixed, convenient hand-written teaching on board 39, is printed on the content that teaching is shown in advance on soft plate face, hangs on hook by plate face, by the height of support 2 adjusting frame 3, the viewing of convenient student below.
Sleeve pipe 34 rotates on loop bar 31, ejected by ball 33 by spring 32, the half of ball 33 is stuck in fixed orifice 35, and the support arm on sleeve pipe 34 is located, projector 38 is rotated on axostylus axostyle 31 by axle sleeve 34, arbitrarily can regulate the crevice projection angle of projector's 38 pairs of projection screens 30.
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 (2)
1. an educational projector, comprise base (1), it is characterized in that: the upper surface of described base (1) is connected with framework (3) by telescopic support (2), both sides in described framework (3) are provided with axostylus axostyle (4), the upper cover of described axostylus axostyle (4) has central siphon (5), the central siphon (5) of both sides is fixedly connected with plate body (6), the lower end edge of described plate body (6) is provided with pin-and-hole (7), pin (8) is provided with in described pin-and-hole (7), the upper cover of described pin (8) has cylindrical spring (9), one end of described pin (8) is provided with block (10), the outside that the other end of described pin (8) extends to framework (3) is connected with handle, the rear surface of described plate body (6) is provided with projection screen (30), the top of described framework (3) is connected with loop bar (31) by support, described loop bar (31) be circumferentially with multiple blind hole, spring (32) is provided with in described blind hole, one end of described spring (32) is provided with ball (33), the upper cover of described loop bar (31) has sleeve pipe (34), the inside surface of described sleeve pipe (34) is provided with the fixed orifice (35) corresponding with blind hole position, described sleeve pipe (34) is provided with support arm (36), the termination of described support arm (36) is provided with hanger (37), described hanger (37) is provided with projector (38).
2. educational projector according to claim 1, is characterized in that: the front surface of described plate body (6) is provided with board (39), and the plate body (6) of described board (39) upper end is provided with hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381824.8U CN204791586U (en) | 2015-06-06 | 2015-06-06 | Teaching projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381824.8U CN204791586U (en) | 2015-06-06 | 2015-06-06 | Teaching projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204791586U true CN204791586U (en) | 2015-11-18 |
Family
ID=54531589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520381824.8U Expired - Fee Related CN204791586U (en) | 2015-06-06 | 2015-06-06 | Teaching projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204791586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223338A (en) * | 2021-04-13 | 2021-08-06 | 江苏安全技术职业学院 | Multimedia presentation device |
-
2015
- 2015-06-06 CN CN201520381824.8U patent/CN204791586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223338A (en) * | 2021-04-13 | 2021-08-06 | 江苏安全技术职业学院 | Multimedia presentation device |
| CN113223338B (en) * | 2021-04-13 | 2023-08-08 | 江苏安全技术职业学院 | Multimedia presentation device |
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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: 20151118 Termination date: 20160606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |