CN204904611U - Projecting apparatus is used in business administration teaching - Google Patents
Projecting apparatus is used in business administration teaching Download PDFInfo
- Publication number
- CN204904611U CN204904611U CN201520478046.4U CN201520478046U CN204904611U CN 204904611 U CN204904611 U CN 204904611U CN 201520478046 U CN201520478046 U CN 201520478046U CN 204904611 U CN204904611 U CN 204904611U
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- Prior art keywords
- column
- termination
- base
- pin
- support arm
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Abstract
The utility model provides a projecting apparatus is used in business administration teaching, includes the base, the upper surface of base is equipped with the stand, the avris of stand is equipped with two horizontal poles, and the cover has the sleeve pipe on two horizontal poles, and two cuffs pipe is connected through the pole setting, the limit portion of pole setting is equipped with the recess, be equipped with the magnet strip in the recess no. One, be equipped with the roller between two horizontal poles, still include the projection curtain, the one end and the roller of projection curtain are connected, the other end of projection curtain is equipped with no. Two magnet strips with a magnet strip matched with, the top of stand articulates through a pivot has the telescopic support arm, the end of support arm is equipped with the gallows, be equipped with the projector on the gallows, the utility model discloses simple structure, use can reduce teacher's intensity of labour in a flexible way, improve student's interest in learning, and overhaul change original paper convenience.
Description
Technical field
The utility model relates to a kind of industrial and commercial administration teaching projector.
Background technology
The projector great majority that present industrial and commercial administration teaching uses are for being hung in ceiling, utilize telepilot to control, it installs complex circuit, debugging effort, change original paper also very inconvenience, projector curtain mostly is to be fixed on the wall, 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 industrial and commercial administration teaching projector.
Described object is achieved by the following scheme: a kind of industrial and commercial administration teaching projector, comprise base, the upper surface of described base is provided with column, the avris of described column is provided with two cross bars, on two cross bars, cover has sleeve pipe, two sleeve pipes are connected by vertical rod, the edge of described vertical rod is provided with groove, a magnet strip is provided with in described groove, roll shaft is provided with between two cross bars, also comprise projection screen, one end of described projection screen is connected with roll shaft, the other end of described projection screen is provided with No. two magnet strips matched with a magnet strip, the top of described column is hinged with telescopic support arm by a rotating shaft, the termination of described support arm is provided with suspension bracket, described suspension bracket is provided with projector, another avris of described column is by the hinged board of axle, the rear surface edge of described board is provided with screw rod, described screw rod is provided with threaded line pipe, the termination of described threaded line pipe is provided with adjustable plate, the tube wall of described threaded line pipe is provided with handle, the front surface of described column is provided with rectangular recess, upper end in described rectangular recess is provided with axostylus axostyle, described axostylus axostyle is provided with central siphon, described central siphon is provided with lamp stand, the termination of described lamp stand is provided with bulb, the upper end of described column is inlaid with timer, described timer is connected with hummer, upper surface one end of described base is provided with square groove, accumulator is provided with in described square groove, described square groove is provided with cover plate, the upper surface of described base is provided with blind hole, expansion link is provided with in described blind hole, the top of described expansion link is hinged with pole by universal shaft, the termination of described pole is provided with microphone clip, described microphone clip is provided with microphone.
The described sleeve pipe position corresponding with cross bar is provided with pin-and-hole, is provided with pin in described pin-and-hole.
The utility model has the following advantages: the utility model structure is simple, use is flexible, can reduce the labour intensity of teacher, improves the learning interest of student, and examine and replace original paper is convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the syndeton schematic diagram of screw rod and threaded line pipe.
Wherein, 1-base, 2-column, 3-cross bar, 4-sleeve pipe, 4-1 pin-and-hole, 4-2 pin, 5-vertical rod, 6-magnet strip, 7-roll shaft, 8-curtain, 9-No. bis-magnet strips, 10-rotating shaft, 11-support arm, 12-suspension bracket, 13-projector, 14-axle, 15-board, 16-screw rod, 17-threaded line pipe, 18-adjustable plate, 19-handle, 21-rectangular recess, 23-central siphon, 24-lamp stand, 25-bulb, 26-timer, 27-square groove, 28-accumulator, 31-expansion link, 32-universal shaft, 33-pole, 34-microphone.
Embodiment
The utility model is elaborated preferred embodiment below in conjunction with accompanying drawing.
A kind of industrial and commercial administration teaching projector, comprise base 1, the upper surface of described base 1 is provided with column 2, the avris of described column 2 is provided with two cross bars 3, on two cross bars 3, cover has sleeve pipe 4, two sleeve pipes 4 are connected by vertical rod 5, the edge of described vertical rod 5 is provided with groove, a magnet strip 6 is provided with in described groove, roll shaft 7 is provided with between two cross bars 3, also comprise projection screen 8, one end of described projection screen 8 is connected with roll shaft 7, the other end of described projection screen 8 is provided with No. two magnet strips 9 matched with a magnet strip 6, the top of described column 2 is hinged with telescopic support arm 11 by a rotating shaft 10, the termination of described support arm 11 is provided with suspension bracket 12, described suspension bracket 12 is provided with projector 13, another avris of described column 2 is by the hinged board 15 of axle 14, the rear surface edge of described board 15 is provided with screw rod 16, described screw rod 16 is provided with threaded line pipe 17, the termination of described threaded line pipe 17 is provided with adjustable plate 18, the tube wall of described threaded line pipe 17 is provided with handle 19, the front surface of described column 2 is provided with rectangular recess 21, upper end in described rectangular recess 21 is provided with axostylus axostyle, described axostylus axostyle is provided with central siphon 23, described central siphon 23 is provided with lamp stand 24, the termination of described lamp stand 24 is provided with bulb 25, the upper end of described column 2 is inlaid with timer 26, described timer 26 is connected with hummer, upper surface one end of described base 1 is provided with square groove 27, accumulator 28 is provided with in described square groove 27, described square groove 27 is provided with cover plate, the upper surface of described base 1 is provided with blind hole, expansion link 31 is provided with in described blind hole, the top of described expansion link 31 is hinged with pole 33 by universal shaft 32, the termination of described pole 33 is provided with microphone clip, described microphone clip is provided with microphone 34, described sleeve pipe 4 position corresponding with cross bar 3 is provided with pin-and-hole 4-1, pin 4-2 is provided with in described pin-and-hole 4-1.
Sleeve pipe 4 is enclosed within cross bar 3, and pin 4-2 is inserted in pin-and-hole 4-1, after fixing to sleeve pipe 4 and cross bar 3, pull one end of curtain 8, by the rotation of roll shaft 7, No. two magnet strips 9 and a magnet strip 6 bond, curtain 8 is fixed, by the rotation of a rotating shaft 10, projector 13 is arranged on the front of curtain 8, for teaching, after use, sleeve pipe 4 will be promoted, cross bar 3 is arranged in sleeve pipe 4 completely, conveniently deposits, save space.
Swing handle 19, length is regulated by the rotation of threaded line pipe 17 on screw rod 16, adjustable plate 18 and body of wall are fitted, board 15 is supported, avoid the inclination of board 15 and rock bringing inconvenience to writing, by axle 14, the curtain 8 of board 15 with opposite side is merged with rear, conveniently deposit.
Axostylus axostyle be circumferentially with rubber ring, central siphon 23 is enclosed within rubber ring, and rubber ring is to axle sleeve friction, play the function of location, lift lamp stand 24, rotated on axostylus axostyle by central siphon 23, adjust the angle of lamp stand 24 as required, bulb 25 throws light on, with after can lamp stand 24 and bulb 25 be merged in rectangular recess 21, the damage of bulb 25 is avoided in joint space-efficient simultaneously, and bulb 25 is connected with accumulator 28 by connecting line, when timer 26 expires, hummer sends buzzing alarming sound.Be convenient to the break of student.
Expansion link 31 is pulled out in blind hole, is regulated the angle of the microphone 34 on pole 33 by universal shaft 32, facilitate the use of teacher in different positions to microphone 34.Use rear telescopic rod 31 to retract in blind hole, pole 33 is merged by universal shaft 32 and base 1, saves the interior space.
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 industrial and commercial administration teaching projector, comprise base (1), it is characterized in that: the upper surface of described base (1) is provided with column (2), the avris of described column (2) is provided with two cross bars (3), two upper covers of cross bar (3) have sleeve pipe (4), two sleeve pipes (4) are connected by vertical rod (5), the edge of described vertical rod (5) is provided with groove, a magnet strip (6) is provided with in described groove, roll shaft (7) is provided with between two cross bars (3), also comprise projection screen (8), one end of described projection screen (8) is connected with roll shaft (7), the other end of described projection screen (8) is provided with No. two magnet strips (9) matched with a magnet strip (6), the top of described column (2) is hinged with telescopic support arm (11) by a rotating shaft (10), the termination of described support arm (11) is provided with suspension bracket (12), described suspension bracket (12) is provided with projector (13), another avris of described column (2) is by axle (14) hinged board (15), the rear surface edge of described board (15) is provided with screw rod (16), described screw rod (16) is provided with threaded line pipe (17), the termination of described threaded line pipe (17) is provided with adjustable plate (18), the tube wall of described threaded line pipe (17) is provided with handle (19), the front surface of described column (2) is provided with rectangular recess (21), upper end in described rectangular recess (21) is provided with axostylus axostyle, described axostylus axostyle is provided with central siphon (23), described central siphon (23) is provided with lamp stand (24), the termination of described lamp stand (24) is provided with bulb (25), the upper end of described column (2) is inlaid with timer (26), described timer (26) is connected with hummer, upper surface one end of described base (1) is provided with square groove (27), accumulator (28) is provided with in described square groove (27), described square groove (27) is provided with cover plate, the upper surface of described base (1) is provided with blind hole, expansion link (31) is provided with in described blind hole, the top of described expansion link (31) is hinged with pole (33) by universal shaft (32), the termination of described pole (33) is provided with microphone clip, described microphone clip is provided with microphone (34).
2. industrial and commercial administration teaching projector according to claim 1, is characterized in that: described sleeve pipe (4) position corresponding with cross bar (3) is provided with pin-and-hole (4-1), is provided with pin (4-2) in described pin-and-hole (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478046.4U CN204904611U (en) | 2015-07-06 | 2015-07-06 | Projecting apparatus is used in business administration teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478046.4U CN204904611U (en) | 2015-07-06 | 2015-07-06 | Projecting apparatus is used in business administration teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204904611U true CN204904611U (en) | 2015-12-23 |
Family
ID=54926772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520478046.4U Expired - Fee Related CN204904611U (en) | 2015-07-06 | 2015-07-06 | Projecting apparatus is used in business administration teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204904611U (en) |
-
2015
- 2015-07-06 CN CN201520478046.4U patent/CN204904611U/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: 20151223 Termination date: 20160706 |