CN208107509U - A kind of classroom projector support frame - Google Patents
A kind of classroom projector support frame Download PDFInfo
- Publication number
- CN208107509U CN208107509U CN201820596715.1U CN201820596715U CN208107509U CN 208107509 U CN208107509 U CN 208107509U CN 201820596715 U CN201820596715 U CN 201820596715U CN 208107509 U CN208107509 U CN 208107509U
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- CN
- China
- Prior art keywords
- projector
- placed cavity
- support rod
- connecting rod
- rod
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Abstract
The utility model discloses a kind of classroom projector support frames,Support rod is the cylindrical cavity structure of upper and lower uncovered,One end of support rod is by being welded and fixed setting on the ceiling,And micromotor is fixedly installed in the inside of support rod,And micromotor is fixedly installed on the ceiling by motor mount,Arc groove is offered on the cylindrical cavity inner wall of support rod,And turntable is fixedly connected in the output end of micromotor,And turntable fixation is erected on the arc groove of support rod inner wall,Hydraulic cylinder is fixedly installed on the another side of turntable,And the piston rod of hydraulic cylinder and one end of connecting rod pass through welded connecting,And transverse slat is provided with by welding in the other end of connecting rod,Through-hole is offered on four corners of the bottom surface of projector placed cavity,And internal screw thread is provided in through-hole,Fastening bolt is connected through a screw thread on the bottom surface that projector placed cavity is arranged in,And the screw tip of fastening bolt and the bottom surface of projection offset.
Description
Technical field
The utility model relates to a kind of teaching projector mount technical field, specifically a kind of classroom is supported with projector
Frame.
Background technique
With the progress in epoch and the development of science and technology, science and technology is more and more flourishing, and with the development of economy
The improvement of people's living standards, therefore investment of the country in teaching is more and more, therefore essentially all of school is all gradually
New teaching aid and then aided education are introduced, quality is also more interesting so that teaching not only has, and wherein projector is religion
Teacher gives lessons one of common educational aid, and projector before the use, needs to be adjusted projector, because of existing projection
The mounting means of instrument is to be mounted on projector on furred ceiling by hanger, also bad to move the correct of orthographic projection instrument if furred ceiling is excessively high
Position seems very cumbersome, therefore also bring no small influence to teaching in this way, wherein wasting time is most important, mesh
Before, adjustment height of projector, angle are mostly to be manually adjusted below projector by artificial lift projector, and adjustment is got up
It is cumbersome, therefore design and manufacture and be conveniently adjusted teaching easy to use and be very important with projector support frame.
Utility model content
The purpose of this utility model is to provide a kind of classroom projector support frames, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of classroom projector support frame, including ceiling, micromotor, support rod, arc groove, connecting rod, spring
One, projector placed cavity, support plate, spring two, fastening bolt, transverse slat, hydraulic cylinder, turntable and through-hole, the support rod are upper
One end of the cylindrical cavity structure of lower uncovered, support rod is arranged on the ceiling by being welded and fixed, and in support rod
Portion is fixedly installed micromotor, and micromotor is fixedly installed on the ceiling by motor mount, the support rod
Arc groove is offered on cylindrical cavity inner wall, and is fixedly connected with turntable, and turntable fixed frame in the output end of micromotor
It is located on the arc groove of support rod inner wall, hydraulic cylinder, and the work of hydraulic cylinder is fixedly installed on the another side of the turntable
One end of stopper rod and connecting rod is provided with transverse slat by welding by being welded to connect, and in the other end of connecting rod, and the connecting rod runs through
Support rod is configured, and transverse slat is rectangular parallelepiped structure, and is fixedly installed projector placed cavity in the other side of transverse slat, described
Projector placed cavity is cuboid cavity structure, and projector is fixedly installed in the cavity of projector placed cavity, and projecting
It is provided with spring two between upper and lower end face inside instrument and projector placed cavity, and is put in the upper surface of projector with projector
It sets and is provided with spring one between the inside top surface of chamber, and there are four springs one, four springs one are separately positioned at the top of projector
Four corners on, and support plate is provided between two longitudinal springs one, the surface of support plate and projector offsets, institute
It states and offers through-hole on four corners of the bottom surface of projector placed cavity, and be provided with internal screw thread in through-hole, fastening bolt
It is connected through a screw thread on the bottom surface that projector placed cavity is set, and the screw tip of fastening bolt and the bottom surface of projection offset.
As further program of the utility model:The connecting rod is cylindrical cavity structure, and the outside diameter of connecting rod is small
In the interior circular diameter of support rod, and clearance fit between connecting rod and support rod.
As the utility model further scheme:The circumscribed circular diameter of the transverse slat is greater than support rod outside diameter.
As the utility model further scheme:The central axis and projector of the spring two in the vertical direction
The central axis of placed cavity in the vertical direction is overlapped.
As the utility model further scheme:Several ventilations are offered on the side of the projector placed cavity
Hole, and Air Filter is provided on ventilation hole.
Compared with prior art, the utility model has the beneficial effects that:The utility model structure is simple, and construction is novel, if
Meter rationally, when needing to adjust the position of projector, drives turntable to be rotated, so as to adjust projector by micromotor
Substantially angle, while pushing connecting rod to work as projector so that the height to projector is adjusted by Driven by Hydraulic Cylinder piston rod
Height and after substantially angle is adjusted, by rotating fastening bolt, so that fastening bolt be made to play fine tuning to the angle of projector
Effect, is more clear the projection image quality of projector, and aided education effect is more prominent, and by the way that projector is placed on projection
In instrument placed cavity, absorption of the projector to dust is effectively prevented, the service life of projector is improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of classroom projector support frame.
Fig. 2 is a kind of structural schematic diagram of projector placed cavity bottom surface in classroom projector support frame.
In figure:Ceiling 1, micromotor 2, support rod 3, arc groove 4, connecting rod 5, spring 1, projector placed cavity 7,
Support plate 8, spring 29, fastening bolt 10, ventilation hole 11, transverse slat 12, hydraulic cylinder 13, turntable 14 and through-hole 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of classroom projector support frame, including it is ceiling 1, micro-
Type motor 2, support rod 3, arc groove 4, connecting rod 5, spring 1, projector placed cavity 7, support plate 8, spring 29, fastening spiral shell
Bolt 10, ventilation hole 11, transverse slat 12, hydraulic cylinder 13, turntable 14 and through-hole 15, the support rod 3 are that the cylindrical body of upper and lower uncovered is empty
Cavity configuration, one end of support rod 3 are arranged on ceiling 1 by being welded and fixed, and are fixedly installed in the inside of support rod 3 micro-
Type motor 2, and micromotor 2 is fixed on ceiling 1 by motor mount, drives turntable 14 by micromotor 2
It is rotated, so as to adjust the substantially angle of projector.
Arc groove 4 is offered on the cylindrical cavity inner wall of support rod 3, and is fixedly connected in the output end of micromotor 2
There is turntable 14, and the fixation of turntable 14 is erected on the arc groove 4 of 3 inner wall of support rod, keeps the rotation of turntable 14 more stable.
Hydraulic cylinder 13, and the piston rod of hydraulic cylinder 13 and connecting rod 5 are fixedly installed on the another side of the turntable 14
One end is provided with transverse slat 12 by welding by being welded to connect, and in the other end of connecting rod 5, and connecting rod 5 is set through support rod 3
It sets, and transverse slat 12 is rectangular parallelepiped structure, and is fixedly installed projector placed cavity 7 in the other side of transverse slat 12, passes through hydraulic cylinder
13 driving piston rods push connecting rod 5, so that the height to projector is adjusted.
The projector placed cavity 7 is cuboid cavity structure, and throwing is fixedly installed in the cavity of projector placed cavity 7
Shadow instrument, and it is provided with spring 29 between the upper and lower end face inside projector and projector placed cavity 7, throwing projector
It is more stable in shadow instrument placed cavity 7, and bullet is provided between the upper surface of projector and the inside top surface of projector placed cavity 7
Spring 1, and there are four springs 1, four springs 1 are separately positioned on four corners at the top of projector, and in longitudinal direction
Support plate 8 is provided between two springs 1, support plate 8 and the surface of projector offset, when the bottom surface of projector placed cavity 7
Four corners on offer through-hole 15, and internal screw thread is provided in through-hole 15, fastening bolt 10, which is connected through a screw thread, to be set
It sets on the bottom surface of projector placed cavity 7, and the screw tip of fastening bolt 10 and the bottom surface of projection offset, when the height of projector
Degree and after substantially angle is adjusted, by rotating fastening bolt 10, so that fastening bolt 10 be made to play fine tuning to the angle of projector
Effect.
The connecting rod 5 is cylindrical cavity structure, and the outside diameter of connecting rod 5 is less than the interior circular diameter of support rod 3, and connecting rod
Clearance fit between 5 and support rod 3 moves on support rod 3 convenient for connecting rod 5.
The circumscribed circular diameter of the transverse slat 12 is greater than 3 outside diameter of support rod.
The central axis of the spring 29 in the vertical direction and the central axis of projector placed cavity 7 in the vertical direction
Line is overlapped, and keeps the installation of projector more steady, and projection image quality is more preferable.
Several ventilation holes 11 are offered on the side of the projector placed cavity 7, and are provided on ventilation hole 11 anti-
Dirt net plays radiating dustproof protective effect to projector.
The working principle of the utility model is:When needing to adjust the position of projector, turntable is driven by micromotor 2
14 are rotated, and so as to adjust the substantially angle of projector, while driving piston rod to push connecting rod 5 by hydraulic cylinder 13, thus
The height of projector is adjusted, when the height of projector and after substantially angle is adjusted, by rotating fastening bolt 10, from
And fastening bolt 10 is set to play fine tuning to the angle of projector, and by the way that projector to be placed in projector placed cavity 7, have
Effect avoids absorption of the projector to dust.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of classroom projector support frame, including ceiling, micromotor, support rod, arc groove, connecting rod, spring one,
Projector placed cavity, support plate, spring two, fastening bolt, transverse slat, hydraulic cylinder, turntable and through-hole, which is characterized in that the branch
Strut is the cylindrical cavity structure of upper and lower uncovered, and one end of support rod is being propped up by the way that setting is welded and fixed on the ceiling
The inside of strut is fixedly installed micromotor, and micromotor is fixedly installed on the ceiling by motor mount, described
Arc groove is offered on the cylindrical cavity inner wall of support rod, and is fixedly connected with turntable in the output end of micromotor, and turn
Disk fixation is erected on the arc groove of support rod inner wall, and hydraulic cylinder, and liquid are fixedly installed on the another side of the turntable
The piston rod of cylinder pressure and one end of connecting rod are provided with transverse slat by welding by being welded to connect, and in the other end of connecting rod, described
Connecting rod is configured through support rod, and transverse slat is rectangular parallelepiped structure, and is fixedly installed projector in the other side of transverse slat and puts
Chamber is set, the projector placed cavity is cuboid cavity structure, and is fixedly installed projector in the cavity of projector placed cavity,
And spring two is provided between the upper and lower end face inside projector and projector placed cavity, and the upper surface of projector with
Spring one is provided between the inside top surface of projector placed cavity, and there are four springs one, four springs one are separately positioned on throwing
On four corners at the top of shadow instrument, and support plate, the table of support plate and projector are provided between two longitudinal springs one
Face offsets, and offers through-hole on four corners of the bottom surface of the projector placed cavity, and internal screw thread is provided in through-hole,
Fastening bolt is connected through a screw thread on the bottom surface that projector placed cavity is arranged in, and the bottom of the screw tip of fastening bolt and projection
Face offsets.
2. a kind of classroom projector support frame according to claim 1, which is characterized in that the connecting rod is cylindrical cavity
Structure, and the outside diameter of connecting rod is less than the interior circular diameter of support rod, and clearance fit between connecting rod and support rod.
3. a kind of classroom projector support frame according to claim 1, which is characterized in that the circumcircle of the transverse slat is straight
Diameter is greater than support rod outside diameter.
4. a kind of classroom projector support frame according to claim 1, which is characterized in that the spring two is in vertical side
Upward central axis is overlapped with the central axis of projector placed cavity in the vertical direction.
5. a kind of classroom projector support frame according to claim 1, which is characterized in that the projector placed cavity
Several ventilation holes are offered on side, and Air Filter is provided on ventilation hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820596715.1U CN208107509U (en) | 2018-04-24 | 2018-04-24 | A kind of classroom projector support frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820596715.1U CN208107509U (en) | 2018-04-24 | 2018-04-24 | A kind of classroom projector support frame |
Publications (1)
Publication Number | Publication Date |
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CN208107509U true CN208107509U (en) | 2018-11-16 |
Family
ID=64116833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820596715.1U Expired - Fee Related CN208107509U (en) | 2018-04-24 | 2018-04-24 | A kind of classroom projector support frame |
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CN (1) | CN208107509U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109686147A (en) * | 2019-02-19 | 2019-04-26 | 济宁医学院 | A kind of university students' innovative undertaking educational propaganda device |
CN110360427A (en) * | 2019-07-29 | 2019-10-22 | 陈君辉 | A kind of Portable adjustable measuring instrument support frame |
CN111641818A (en) * | 2020-05-19 | 2020-09-08 | 青岛新起点文化科技有限公司 | Automatic picture fusion device of optical calibration |
CN112696582A (en) * | 2021-01-13 | 2021-04-23 | 周口师范学院 | Projection arrangement is used in interactive visual transmission |
-
2018
- 2018-04-24 CN CN201820596715.1U patent/CN208107509U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109686147A (en) * | 2019-02-19 | 2019-04-26 | 济宁医学院 | A kind of university students' innovative undertaking educational propaganda device |
CN110360427A (en) * | 2019-07-29 | 2019-10-22 | 陈君辉 | A kind of Portable adjustable measuring instrument support frame |
CN111641818A (en) * | 2020-05-19 | 2020-09-08 | 青岛新起点文化科技有限公司 | Automatic picture fusion device of optical calibration |
CN112696582A (en) * | 2021-01-13 | 2021-04-23 | 周口师范学院 | Projection arrangement is used in interactive visual transmission |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20210424 |
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CF01 | Termination of patent right due to non-payment of annual fee |