CN106842796A - A kind of projecting apparatus of teaching - Google Patents
A kind of projecting apparatus of teaching Download PDFInfo
- Publication number
- CN106842796A CN106842796A CN201710239794.0A CN201710239794A CN106842796A CN 106842796 A CN106842796 A CN 106842796A CN 201710239794 A CN201710239794 A CN 201710239794A CN 106842796 A CN106842796 A CN 106842796A
- Authority
- CN
- China
- Prior art keywords
- main body
- nut
- support bracket
- projector main
- bottom support
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a kind of projecting apparatus of teaching,The projecting apparatus of the teaching includes projector main body,Angular adjustment nut,Elevation angle adjusting knob,Leading screw,Bottom support bracket,Nut,Connecting rod,Draw-in groove,Rotating shaft,Universal connecting components,Bearing pin and screw rod,The bottom of the projector main body is provided with bottom support bracket,The integrally formed draw-in groove in housing lower section of the projector main body,Draw-in groove connects one end of connecting rod by universal connecting components,The other end of connecting rod is inclined to projector main body away from the side of camera lens,And the other end of connecting rod is connected to the surface of nut by rotating shaft,Nut thread is connected on leading screw,The two ends of the leading screw are rotatably connected on the biside plate of bottom support bracket,And the elevation angle adjusting knob on the outside of one end connection bottom support bracket of leading screw,This practicality coordinates the parts such as bottom support bracket by projector main body,Realize the purpose of projection main body quick regulation drop shadow effect in use,Efficiency high,Regulation is simple,Without any aid.
Description
Technical field
The present invention relates to teaching equipment field, more particularly, to a kind of projecting apparatus of teaching.
Background technology
Projecting apparatus is essential teaching equipment during modern teaching, and major part projecting apparatus is all fixed installation at present
At the top in classroom, the curtain set on blackboard is coordinated to realize multimedia teaching, but this Facilities Construction is expensive.
And in order to cost-effective, many schools are equipped with moveable projecting apparatus, but this it be convenient for carrying and move
Need to carry out the regulation of projection angle according to desktop when projecting apparatus is used every time, it is ensured that drop shadow effect, but regulation will every time
Many times are spent, also needs to that aid is padded to be leveled up sometimes, using inconvenient, seriously delay instructional blocks of time.
The content of the invention
Regarding the issue above, the present invention provides a kind of simple structure, adjusts the projecting apparatus of simple teaching.
To reach above-mentioned purpose, present invention employs following technical proposal：The projecting apparatus of teaching of the invention, including throw
Shadow instrument body, angular adjustment nut, elevation angle adjusting knob, leading screw, bottom support bracket, nut, connecting rod, draw-in groove, rotating shaft, universal connection
Part, bearing pin and screw rod, the bottom of the projector main body are provided with bottom support bracket, the housing lower section one of the projector main body into
Shape draw-in groove, draw-in groove connects one end of connecting rod by universal connecting components, and the other end of connecting rod deviates from the one of camera lens to projector main body
Roll oblique, and the other end of connecting rod is connected to the surface of nut by rotating shaft, and nut thread is connected on leading screw；
The two ends of the leading screw are rotatably connected on the biside plate of bottom support bracket, and outside one end connection bottom support bracket of leading screw
The elevation angle adjusting knob of side, the projector main body is fixedly connected one end of screw rod, screw flight connection away from the side of camera lens
Angular adjustment nut, angular adjustment nut is arranged in the U-shaped hole opened up on the side plate of bottom support bracket, and the two of angular adjustment nut
Side is welded with bearing pin, and bearing pin is rotatably connected on the rotating stand of U-shaped hole both sides welding.
In the projecting apparatus of above-mentioned teaching, projector main body sets between a side-lower and bottom support bracket of camera lens
Spring is put, spring is vertically arranged, the shock resistance of projector main body is ensured by the elastic force and pulling force of spring.
In the projecting apparatus of above-mentioned teaching, the universal connecting components mainly open up two and lead to up and down by body with it
Hole, two through holes are mutually set at an angle of 90, and two on universal connecting components through hole connects the one of draw-in groove and connecting rod by rotating shaft respectively
End, so that projector main body can not only be moved up and down while being capable of left-right rotation certain angle.
In the projecting apparatus of above-mentioned teaching, the other end threaded connection locking nut of the screw rod.
In the projecting apparatus of above-mentioned teaching, rubber blanket is set between the locking nut and angular adjustment nut.
Compared with prior art, the advantage of the projecting apparatus of this teaching is：The present invention is coordinated by projector main body
The parts such as bottom support bracket, realize the purpose of projection main body quick regulation drop shadow effect in use, efficiency high, regulation letter
It is single, adjust padded without any aid, it is convenient for carrying.
Brief description of the drawings
Fig. 1 is the structural representation of the projecting apparatus of teaching；
Fig. 2 is the structural representation connected between screw rod, angular adjustment nut and bottom support bracket；
Fig. 3 is the mplifying structure schematic diagram at A in Fig. 1；
In figure, 1 camera lens, 2 springs, 3 projector main bodies, 4 angular adjustment nuts, 5 locking nuts, 6 elevation angle adjusting knobs, 7
Leading screw, 8 bottom support brackets, 9 nuts, 10 connecting rods, 11 draw-in grooves, 12 rotating shafts, 13 universal connecting components, 14 rubber blankets, 15 bearing pins, 16 spiral shells
Bar.
Specific embodiment
Following examples only exist in illustrative purpose, without being intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1 to Figure 3, a kind of projecting apparatus of teaching of the invention, the projecting apparatus of the teaching includes camera lens
1st, spring 2, projector main body 3, angular adjustment nut 4, locking nut 5, elevation angle adjusting knob 6, leading screw 7, bottom support bracket 8, spiral shell
Female 9, connecting rod 10, draw-in groove 11, rotating shaft 12, universal connecting components 13, rubber blanket 14, bearing pin 15 and screw rod 16, the projector main body 3
Bottom be provided with bottom support bracket 8, projector main body 3 sets spring 2, bullet between a side-lower and bottom support bracket 8 of camera lens 1
Spring 2 is vertically arranged, and the shock resistance of projector main body 3, the shell of the projector main body 3 are ensured by the elastic force and pulling force of spring 2
The integrally formed draw-in groove 11 in body lower section, draw-in groove 11 connects one end of connecting rod 10 by universal connecting components 13, the other end of connecting rod 10 to
Projector main body 3 is inclined away from the side of camera lens 1, and the other end of connecting rod 10 is connected to the surface of nut 9, nut by rotating shaft
9 are threaded on leading screw 7；
The two ends of the leading screw 7 are rotatably connected on the biside plate of bottom support bracket 8, and one end of leading screw 7 connects bottom branch
The elevation angle adjusting knob 6 in the outside of seat 8, drives nut 9 to move back and forth, so that connecting rod 10 by rotating elevation angle adjusting knob 6
Angle of inclination change, when connecting rod 10 angle of inclination become it is big when, one end of projector main body 3 is lifted, and works as connecting rod
10 angle of inclination becomes hour, and one end of projector main body 3 is lowered.
The universal connecting components 13 are main to open up two through holes up and down by body with it, and two through holes are mutually set at an angle of 90,
Two through holes on universal connecting components 13 connect one end of draw-in groove 11 and connecting rod 10 by rotating shaft 12 respectively, so that projecting apparatus
Body 3 can not only be moved up and down while being capable of left-right rotation certain angle.
The projector main body 3 is fixedly connected one end of screw rod 16, the threaded connection angle of screw rod 16 away from the side of camera lens 1
Adjusting nut 4, angular adjustment nut 4 is arranged in the U-shaped hole opened up on the side plate of bottom support bracket 8, and the two of angular adjustment nut 4
Side is welded with bearing pin 15, and bearing pin 15 is rotatably connected on the rotating stand 17 of U-shaped hole both sides welding, so as to projector main body
3 liftings and left-right rotation.
The other end threaded connection locking nut 5 of the screw rod 16, is set between locking nut 5 and angular adjustment nut 4
Rubber blanket 14, by the rubber blanket 14 between the jam-packed locking nut 5 of rotation lock nut 5 and angular adjustment nut 4, using rubber
Increase frictional force, and then tie down screw 16 is not rotated easily.
Although more used herein camera lens 1, spring 2, projector main body 3, angular adjustment nut 4, locking nut 5,
Elevation angle adjusting knob 6, leading screw 7, bottom support bracket 8, nut 9, connecting rod 10, draw-in groove 11, rotating shaft 12, universal connecting components 13, rubber blanket
14th, the term such as bearing pin 15 and screw rod 16, but it is not precluded from using the possibility of other terms.It is used for the purpose of using these terms
More easily describe and explain essence of the invention；Being construed as any additional limitation is all and present invention spirit
Disagree.
Claims (5)
1. a kind of projecting apparatus of teaching, the projecting apparatus of the teaching include projector main body (3), angular adjustment nut (4),
Elevation angle adjusting knob (6), leading screw (7), bottom support bracket (8), nut (9), connecting rod (10), draw-in groove (11), rotating shaft (12), universal company
Fitting (13), bearing pin (15) and screw rod (16), it is characterised in that：The bottom of the projector main body (3) is provided with bottom support bracket
(8), the integrally formed draw-in groove (11) in housing lower section of the projector main body (3), draw-in groove (11) is connected by universal connecting components (13)
One end of connective pole (10), the other end of connecting rod (10) is inclined to projector main body (3) away from the side of camera lens (1), and connecting rod
(10) the other end is connected to the surface of nut (9) by rotating shaft, and nut (9) is threaded on leading screw (7)；
The two ends of the leading screw (7) are rotatably connected on the biside plate of bottom support bracket (8), and one end of leading screw (7) connects bottom
Elevation angle adjusting knob (6) on the outside of bearing (8), the projector main body (3) is fixedly connected screw rod away from the side of camera lens (1)
(16) one end, screw rod (16) is threadedly coupled angular adjustment nut (4), and angular adjustment nut (4) is arranged at bottom support bracket (8)
In the U-shaped hole opened up on side plate, the both sides of angular adjustment nut (4) are welded with bearing pin (15), and bearing pin (15) is rotatably connected on U-shaped
On the rotating stand (17) of hole both sides welding.
2. the projecting apparatus of teaching according to claim 1, it is characterised in that：Projector main body (3) is near camera lens (1)
Spring (2) is set between one side-lower and bottom support bracket (8), and spring (2) is vertically arranged.
3. the projecting apparatus of teaching according to claim 1, it is characterised in that：The universal connecting components (13) are main by this
Body opens up two through holes up and down with it, and two through holes are mutually set at an angle of 90, and two through holes on universal connecting components (13) lead to respectively
Cross one end that rotating shaft (12) connects draw-in groove (11) and connecting rod (10).
4. the projecting apparatus of teaching according to claim 1, it is characterised in that：The other end screw thread of the screw rod (16) connects
Connect locking nut (5).
5. the projecting apparatus of teaching according to claim 4, it is characterised in that：The locking nut (5) and angular adjustment
Rubber blanket (14) is set between nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239794.0A CN106842796A (en) | 2017-04-13 | 2017-04-13 | A kind of projecting apparatus of teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239794.0A CN106842796A (en) | 2017-04-13 | 2017-04-13 | A kind of projecting apparatus of teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106842796A true CN106842796A (en) | 2017-06-13 |
Family
ID=59146889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710239794.0A Pending CN106842796A (en) | 2017-04-13 | 2017-04-13 | A kind of projecting apparatus of teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842796A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004304736A (en) * | 2003-04-01 | 2004-10-28 | Sony Corp | Angle adjusting mechanism of electronic device |
| CN2804896Y (en) * | 2005-04-21 | 2006-08-09 | 李志强 | Projector with light-source, microphone and rotating-arm stretching-out freely |
| CN101206390A (en) * | 2007-12-25 | 2008-06-25 | 方恒 | Long-focus high-power optical projector |
| CN204879341U (en) * | 2015-08-07 | 2015-12-16 | 海南赛航光电科技有限公司 | But height -adjusting's projecting apparatus |
| CN105394939A (en) * | 2015-12-25 | 2016-03-16 | 天津市数字道科技有限责任公司 | Supporting seat for cartoon copyboard |
| CN205298983U (en) * | 2016-01-11 | 2016-06-08 | 河南机电职业学院 | Graphoscope mount |
| CN205896632U (en) * | 2016-08-03 | 2017-01-18 | 四川马可视觉网络科技有限公司 | Projecting apparatus stores pylon |
| CN206638939U (en) * | 2017-04-13 | 2017-11-14 | 江苏海事职业技术学院 | A kind of projecting apparatus of teaching |
-
2017
- 2017-04-13 CN CN201710239794.0A patent/CN106842796A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004304736A (en) * | 2003-04-01 | 2004-10-28 | Sony Corp | Angle adjusting mechanism of electronic device |
| CN2804896Y (en) * | 2005-04-21 | 2006-08-09 | 李志强 | Projector with light-source, microphone and rotating-arm stretching-out freely |
| CN101206390A (en) * | 2007-12-25 | 2008-06-25 | 方恒 | Long-focus high-power optical projector |
| CN204879341U (en) * | 2015-08-07 | 2015-12-16 | 海南赛航光电科技有限公司 | But height -adjusting's projecting apparatus |
| CN105394939A (en) * | 2015-12-25 | 2016-03-16 | 天津市数字道科技有限责任公司 | Supporting seat for cartoon copyboard |
| CN205298983U (en) * | 2016-01-11 | 2016-06-08 | 河南机电职业学院 | Graphoscope mount |
| CN205896632U (en) * | 2016-08-03 | 2017-01-18 | 四川马可视觉网络科技有限公司 | Projecting apparatus stores pylon |
| CN206638939U (en) * | 2017-04-13 | 2017-11-14 | 江苏海事职业技术学院 | A kind of projecting apparatus of teaching |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |