CN108461004A

CN108461004A - A kind of projecting apparatus that management teaching uses

Info

Publication number: CN108461004A
Application number: CN201710094085.8A
Authority: CN
Inventors: 王淑英
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-21
Filing date: 2017-02-21
Publication date: 2018-08-28

Abstract

A kind of projecting apparatus that management teaching uses,Including pedestal,The upper surface of the pedestal is connect by telescopic holder with frame,Both sides in the frame are equipped with shaft,The shaft rod upper sleeve has central siphon,The central siphon of both sides is fixedly connected with plate body,The lower end edge of the plate body is equipped with pin hole,Pin is equipped in the pin hole,It is cased with cylindrical spring on the pin,One end of the pin is equipped with block,The outside that the other end of the pin extends to frame is connect with handle,The front surface upper end of the plate body is equipped with rectangular recess,Magnet strip is equipped in the groove,The upper end edge of the groove is hinged with metal strip by shaft,The rear surface of the plate body is equipped with projection screen,The present invention gathers multi -function in integral whole,It is convenient to use,Not only can projection teaching can also impart knowledge to students displaying and handwriting functions,Its is simple in structure,Using flexible,The labor intensity of teacher can be reduced,Improve the learning interest of student.

Description

A kind of projecting apparatus that management teaching uses

Technical field

The present invention relates to the projecting apparatus that a kind of teaching of management uses.

Background technology

Projecting apparatus is a kind of equipment projected image or video on curtain, and the existing projecting apparatus used of imparting knowledge to students is solid It is fixed to be arranged in classroom, the angle of projection, and the limited area of classroom wall cannot be adjusted, curtain is influenced and is hanged simultaneously with blackboard It hangs, inconvenience is brought to projection teaching.

Invention content

The purpose of the present invention is in view of the above-mentioned deficiencies, provide a kind of projecting apparatus that management teaching uses.

The purpose is achieved by the following scheme：A kind of projecting apparatus that management teaching uses, including pedestal, it is described The upper surface of pedestal is connect by telescopic holder with frame, and the both sides in the frame are equipped with shaft, the shaft rod upper sleeve There are central siphon, the central siphon of both sides to be fixedly connected with plate body, the lower end edge of the plate body is equipped with pin hole, and pin is equipped in the pin hole It follows closely, cylindrical spring is cased on the pin, one end of the pin is equipped with block, and the other end of the pin extends to frame Outside is connect with handle, and the front surface upper end of the plate body is equipped with rectangular recess, and magnet strip, the groove are equipped in the groove Upper end edge metal strip is hinged with by shaft, the rear surface of the plate body is equipped with projection screen, and the top of the frame passes through Holder is connected with loop bar, and the loop bar is circumferentially with multiple blind holes, is equipped with spring in the blind hole, one end of the spring is set There is ball, casing is cased on the loop bar, the inner surface of described sleeve pipe is equipped with mounting hole corresponding with blind hole position, the set Pipe is equipped with support arm, and the end of the support arm is equipped with hanger, and the hanger is equipped with projector, and the top of the frame passes through resistance Buddhist nun's shaft is hinged with telescopic rod, and the end of the telescopic rod is connect by microphone clip with microphone, the upper surface of the pedestal If there are two cavity, it is equipped with accumulator in one of cavity, speaker is equipped in another cavity, lid is equipped on two cavitys Plate, one of cover board are equipped with sound hole.

The thickness of the magnet strip is identical as the depth of groove.

The length of the magnet strip is identical as the length of metal strip.

The front surface of the plate body is equipped with board.

The present invention has the following advantages：The present invention gathers multi -function in integral whole, convenient to use, passes through turning over for plate body Turn, not only can projection teaching can also impart knowledge to students displaying and handwriting functions, simple in structure, using flexible can reduce the labour of teacher Intensity improves the learning interest of student.

Description of the drawings

Fig. 1 is the structural schematic diagram of the present invention.

Fig. 2 is the attachment structure schematic diagram of loop bar and casing.

Fig. 3 is the attachment structure schematic diagram of casing and projector.

Wherein, 1- pedestals, 2- holders, 3- frames, 4- shafts, 5- central siphons, 6- plate bodys, 7- pin holes, 8- pins, 9- cylinder bullets Spring, 10- blocks, 11- grooves, 12- magnet strips, 13- shafts, 14- metal strips, 30- projection screens, 31- loop bars, 32- springs, 33- Ball, 34- casings, 35- mounting holes, 36- support arms, 37- hangers, 38- projectors, 39- boards, 41- Damping rotation shafts, 42- stretch Contracting bar, 43- microphones, 44- accumulators, 45 speakers.

Specific implementation mode

The preferred embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.

A kind of projecting apparatus that management teaching uses, including pedestal 1, the upper surface of the pedestal 1 pass through telescopic branch Frame 2 is connect with frame 3, and the both sides in the frame 3 are equipped with shaft 4, is cased with central siphon 5 on the shaft 4, the central siphon 5 of both sides with Plate body 6 is fixedly connected, and the lower end edge of the plate body 6 is equipped with pin hole 7, and pin 8 is equipped in the pin hole 7, is covered on the pin 8 There are cylindrical spring 9, one end of the pin 8 to be equipped with block 10, the other end of the pin 8 extends to outside and the handle of frame 3 Hand connects, and the front surface upper end of the plate body 6 is equipped with rectangular recess 11, and magnet strip 12, the groove are equipped in the groove 11 11 upper end edge is hinged with metal strip 14 by shaft 13, and the rear surface of the plate body 6 is equipped with projection screen 30, the frame 3 Top loop bar 31 is connected with by holder, the loop bar 31 is circumferentially with multiple blind holes, and spring 32 is equipped in the blind hole, One end of the spring 32 is equipped with ball 33, is cased with casing 34 on the loop bar 31, the inner surface of described sleeve pipe 34 be equipped with it is blind The corresponding mounting hole 35 in hole site, described sleeve pipe 34 are equipped with support arm 36, and the end of the support arm 36 is equipped with hanger 37, described Hanger 37 is equipped with projector 38, and the top of the frame 3 is hinged with telescopic rod 42, the telescopic rod 42 by Damping rotation shaft 41 End connect with microphone 43 by microphone clip, the upper surface of the pedestal 1 is set there are two cavity, in one of cavity Equipped with accumulator 44, it is equipped with speaker 45 in another cavity, cover board is equipped on two cavitys, one of cover board is equipped with sound Hole.The thickness of the magnet strip 12 is identical as the depth of groove 11.The length phase of the length of the magnet strip 12 and metal strip 14 Together.The front surface of the plate body is equipped with board 39.

Plate body 6 overturning, pull handle in frame 3 by the cooperation of shaft 4 and central siphon 5, make pin 8 be pulled out in pin hole 7, Plate body 6 is overturn, and unclamps handle, is pushed block 10 by the elastic force of cylindrical spring 9, pin 8 is arranged in pin hole 7, by plate body 6 It is fixed with frame 3, the content of teaching displaying is previously printed in soft plate face by convenient teaching hand-written on board 39, The upper end of plate face is attached on magnet strip 12, bonds metal strip 14 and magnet strip 12 by the rotation of shaft 13, plate face is fixed, By the height of 2 adjustment frame 3 of holder, facilitate the viewing of student below.

Casing 34 rotates on loop bar 31, is ejected ball 33 by spring 32, the half of ball 33 is stuck in mounting hole 35 It is interior, so that the support arm on casing 34 is positioned, projector 38 is rotated by axle sleeve 34 on shaft 31, and it is right can arbitrarily to adjust projector 38 The crevice projection angle of projection screen 30.

Accumulator 44 is rechargeable battery, and microphone 43 is connect with accumulator 44 with speaker 45, is not having the case where power supply Lower microphone 43 can be continuing with, and will not delay teaching process, and the volume of speaker 45 is spread out of by sound hole, be turned by damping The rotation of axis 41, the position of adjustable telescopic rod 42 can adjust microphone according to height by the retraction and extension of telescopic rod 42 43 height facilitates teacher that can be used microphone in any position of plate body 6.

Present embodiment does not only limit its protection domain to the exemplary illustrated of this patent, and those skilled in the art are also Local change can be carried out to it, as long as it does not exceed the essence of this patent, all be considered as the equivalent replacement to this patent, all In the protection domain of this patent.

Claims

The projecting apparatus used 1. a kind of management is imparted knowledge to students, including pedestal（1）, it is characterised in that：The pedestal（1）Upper surface it is logical Cross telescopic holder（2）With frame（3）Connection, the frame（3）Interior both sides are equipped with shaft（4）, the shaft（4）Upper set There is central siphon（5）, the central siphon of both sides（5）With plate body（6）It is fixedly connected, the plate body（6）Lower end edge be equipped with pin hole（7）, institute State pin hole（7）It is interior to be equipped with pin（8）, the pin（8）On be cased with cylindrical spring（9）, the pin（8）One end be equipped with block （10）, the pin（8）The other end extend to frame（3）Outside connect with handle, the plate body（6）Front surface upper end Equipped with rectangular recess（11）, the groove（11）It is interior to be equipped with magnet strip（12）, the groove（11）Upper end edge pass through shaft （13）It is hinged with metal strip（14）, the plate body（6）Rear surface be equipped with projection screen（30）, the frame（3）Top pass through Holder is connected with loop bar（31）, the loop bar（31）Be circumferentially with multiple blind holes, spring is equipped in the blind hole（32）, described Spring（32）One end be equipped with ball（33）, the loop bar（31）On be cased with casing（34）, described sleeve pipe（34）Inner surface set There is mounting hole corresponding with blind hole position（35）, described sleeve pipe（34）It is equipped with support arm（36）, the support arm（36）End Equipped with hanger（37）, the hanger（37）It is equipped with projector（38）, the frame（3）Top pass through Damping rotation shaft（41）Hinge It is connected to telescopic rod（42）, the telescopic rod（42）End pass through microphone clip and microphone（43）Connection, the pedestal（1）'s Upper surface is set there are two cavity, and one of cavity is interior to be equipped with accumulator（44）, another cavity is interior to be equipped with speaker（45）, two Cover board is equipped on cavity, one of cover board is equipped with sound hole.
The projecting apparatus used 2. management according to claim 1 is imparted knowledge to students, it is characterised in that：The magnet strip（12）Thickness Degree and groove（11）Depth it is identical.
The projecting apparatus used 3. management according to claim 1 is imparted knowledge to students, it is characterised in that：The magnet strip（12）Length Degree and metal strip（14）Length it is identical.
The projecting apparatus used 4. management according to claim 1 is imparted knowledge to students, it is characterised in that：The plate body（6）Preceding table Face is equipped with board（39）.