CN108957919A - A kind of multi-position telescopic device convenient for teaching projection installation - Google Patents
A kind of multi-position telescopic device convenient for teaching projection installation Download PDFInfo
- Publication number
- CN108957919A CN108957919A CN201811022865.2A CN201811022865A CN108957919A CN 108957919 A CN108957919 A CN 108957919A CN 201811022865 A CN201811022865 A CN 201811022865A CN 108957919 A CN108957919 A CN 108957919A
- Authority
- CN
- China
- Prior art keywords
- projection
- retracting cylinder
- box
- turntable
- teaching
- 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.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 title claims abstract description 15
- 238000003780 insertion Methods 0.000 claims abstract description 13
- 230000037431 insertion Effects 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Classifications
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- 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
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of multi-position telescopic devices convenient for teaching projection installation, including projection box and turntable, the top of the turntable is equipped with projection retracting cylinder and shaft, and the projection retracting cylinder is connect with turntable by shaft, and the projection box is fixedly connected with the bottom of turntable, the top of the projection box is equipped with multiple grooves, and the groove insertion is arranged in projection box, the inside of the projection retracting cylinder is equipped with sliding slot, this kind is convenient for the multi-position telescopic device of teaching projection installation, turntable is increased using in projection retracting cylinder, it can be convenient rotation in this way, and movable telescopic moving is carried out by the way that the sliding slot at the top of projection retracting cylinder is arranged in, substantially increase the convenience used, projection retracting cylinder is placed on inside grooves when use, and it is contacted by cushion block with rubber bumper, projection retracting cylinder is protected to facilitate, On the other hand achieved the purpose that multi-directional rotation is replaced.
Description
Technical field
The present invention relates to telescopic device technical field, specially a kind of multi-position telescopic dress convenient for teaching projection installation
It sets.
Background technique
Multimedia teaching refers in teaching process, the characteristics of according to instructional objective and teaching object, by Instructional Design,
Reasonably select and use Modern Teaching Medium, and with Traditional teaching means organic assembling, participate in whole course of teaching, jointly with a variety of
Media information acts on student, forms reasonable teaching process structure, the teaching efficiency for being optimal, the main work of projector
Making principle is all to issue light by light source, and by a series of optical lighting system, the light of light source is uniformly irradiated to display core
On piece, and signal realizes color range and grayscale by circuit system on display chip, shows image, hereafter by projecting front end
Projection lens will be in the image enlarging projection to corresponding screen on display chip.Inside optical projection system, optics mainly divides
For image optics system and illumination optical system, and wherein the most key component be then display chip and light fixture (i.e.
Light source).
Existing teaching projection is relatively fixed, can only one direction use, multi-party bit function is not achieved, and can not stretch, makes
With quite inconvenience, it is unable to satisfy real-life requirement.
So how to design a kind of multi-position telescopic device convenient for teaching projection installation, becoming us will currently be solved
The problem of.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-position telescopic devices convenient for teaching projection installation, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of multi-faceted stretching convenient for teaching projection installation
Compression apparatus, including projection box and turntable, the top of the turntable are equipped with projection retracting cylinder and shaft, and the projection retracting cylinder and
Turntable is connected by shaft, and the projection box is fixedly connected with the bottom of turntable, and the top of the projection box is equipped with multiple recessed
Slot, and groove insertion is arranged in projection box, the inside of the projection retracting cylinder is equipped with sliding slot, and sliding slot insertion is set
It sets in projection retracting cylinder, the top of the projection retracting cylinder is equipped with projection lid, and projection lid passes through with projection retracting cylinder
The threaded connection of projection retracting cylinder side is set, the top of the projection box is equipped with power knob, and the power knob with
External 220V AC power source is electrically connected.
Further, the side of the projection retracting cylinder is equipped with multiple cushion blocks, and the cushion block passes through with projection retracting cylinder
Glue bonding.
Further, the inside of the groove be equipped with rubber bumper, and the rubber bumper insertion setting in a groove, and with throwing
Shadow case is fixedly connected.
Further, the side for projecting retracting cylinder is adhesive with friction pad.
Further, the side of the projection box is equipped with radiator window, and radiator window insertion is arranged in projection box.
Compared with prior art, the beneficial effects of the present invention are: this kind fills convenient for the multi-position telescopic of teaching projection installation
It sets, increases turntable using in projection retracting cylinder, can be convenient rotation in this way, and by being arranged at the top of projection retracting cylinder
Sliding slot carries out movable telescopic moving, substantially increases the convenience used, is placed on inside grooves using that will project retracting cylinder,
And contacted by cushion block with rubber bumper, protect projection retracting cylinder to facilitate, on the other hand reached multi-directional rotation into
The purpose of row replacement.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is shaft partial structural diagram of the invention；
In figure: 1- projection box；2- radiator window；3- power knob；4- sliding slot；5- friction pad；6- projection lid；7- projection is flexible
Cylinder；8- cushion block；9- rubber bumper；10- groove；11- turntable；12- shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of multi-position telescopic dress convenient for teaching projection installation
It sets, including projection box 1 and turntable 11, the top of the turntable 11 is equipped with projection retracting cylinder 7 and shaft 12, and the projection is flexible
Cylinder 7 is connect with turntable 11 by shaft 12, and the projection box 1 is fixedly connected with the bottom of turntable 11, the top of the projection box 1
Portion is equipped with multiple grooves 10, and the insertion of the groove 10 is arranged in projection box 1, and the inside of the projection retracting cylinder 7, which is equipped with, to be slided
Slot 4, and the insertion of the sliding slot 4 setting, in projection retracting cylinder 7, the top of the projection retracting cylinder 7 is equipped with projection lid 6, and institute
It states projection lid 6 and projects retracting cylinder 7 and pass through the threaded connection that projection 7 side of retracting cylinder is set, the top of the projection box 1 is set
There is power knob 3, and the power knob 3 and external 220V AC power source are electrically connected.
Further, the side of the projection retracting cylinder 7 is equipped with multiple cushion blocks 8, and the cushion block 8 and projection retracting cylinder 7
Bonded by glue, while the cushion block 8 plays the role of contacting with rubber bumper 9 and protect projection retracting cylinder 7.
Further, the inside of the groove 10 is equipped with rubber bumper 9, and the insertion of the rubber bumper 9 is arranged in groove 10,
And be fixedly connected with projection box 1, the rubber bumper 9 is made of rubber, be can reach certain softness and is further protected throwing
The effect of shadow retracting cylinder 7.
Further, the side for projecting retracting cylinder 7 is adhesive with friction pad 5, and the friction pad 5, which plays, facilitates staff to turn
Dynamic projection retracting cylinder 7 achievees the purpose that multi-faceted angle uses.
Further, the side of the projection box 1 is equipped with radiator window 2, and the insertion of the radiator window 2 is arranged in projection box 1
In, in use, the effect of integral heat sink, is easy to use, increases service life in the projection of radiator window 2.
Working principle: firstly, projection box 1 is placed into the place for needing to project by user of service, it is electric with extraneous 220V later
Source connection is powered, and then opens projection box 3, rotatably unscrews projection lid 6, then according to different needs by using personnel by hand
It helps friction pad 5 to rotate turntable 11 to make generally in a good position, and will be placed on after being rotated by shaft 12
In different grooves 10, and is fitted closely by cushion block 8 and rubber bumper 9 and carry out clamping fixed and realize multi-directional rotation, cushion block 8
It is contacted with rubber bumper 9 and groove 10 is avoided directly to contact with projection retracting cylinder 7 indirectly, and stretched by drawing high projection retracting cylinder 7
Contracting, so that projection retracting cylinder 7 opposite in sliding slot 4 can slide, the use of rubber bumper 9 has the function of protection, and radiator window 2 is
The effect that whole projector radiates, the rotation of projection retracting cylinder 7 in use is flexible convenient, uses convenient for teaching.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of multi-position telescopic device convenient for teaching projection installation, including projection box (1) and turntable (11), feature exists
In: the top of the turntable (11) is equipped with projection retracting cylinder (7) and shaft (12), and the projection retracting cylinder (7) and turntable
(11) it is connected by shaft (12), and the projection box (1) is fixedly connected with the bottom of turntable (11), the projection box (1)
Top is equipped with multiple grooves (10), and the groove (10) insertion is arranged in projection box (1), projection retracting cylinder (7)
Inside is equipped with sliding slot (4), and the sliding slot (4) insertion is arranged in projection retracting cylinder (7), the top of projection retracting cylinder (7)
Portion is equipped with projection lid (6), and the projection covers (6) and projects retracting cylinder (7) by setting in the spiral shell for projecting retracting cylinder (7) side
The top of line connection, the projection box (1) is equipped with power knob (3), and the power knob (3) and external 220V alternating current
Source is electrically connected.
2. a kind of multi-position telescopic device convenient for teaching projection installation according to claim 1, it is characterised in that: described
The side for projecting retracting cylinder (7) is equipped with multiple cushion blocks (8), and the cushion block (8) and projection retracting cylinder (7) are bonded by glue.
3. a kind of multi-position telescopic device convenient for teaching projection installation according to claim 1, it is characterised in that: described
The inside of groove (10) be equipped with rubber bumper (9), and the rubber bumper (9) insertion be arranged in groove (10), and with projection box (1)
It is fixedly connected.
4. a kind of multi-position telescopic device convenient for teaching projection installation according to claim 1, it is characterised in that: described
The side of projection retracting cylinder (7) is adhesive with friction pad (5).
5. a kind of multi-position telescopic device convenient for teaching projection installation according to claim 1, it is characterised in that: described
The side of projection box (1) is equipped with radiator window (2), and the radiator window (2) insertion is arranged in projection box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022865.2A CN108957919A (en) | 2018-09-03 | 2018-09-03 | A kind of multi-position telescopic device convenient for teaching projection installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022865.2A CN108957919A (en) | 2018-09-03 | 2018-09-03 | A kind of multi-position telescopic device convenient for teaching projection installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108957919A true CN108957919A (en) | 2018-12-07 |
Family
ID=64475781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811022865.2A Withdrawn CN108957919A (en) | 2018-09-03 | 2018-09-03 | A kind of multi-position telescopic device convenient for teaching projection installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108957919A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7540557U (en) * | 1975-12-19 | 1976-04-29 | Lohner, Alfred, 8900 Augsburg | HEIGHT-ADJUSTABLE TRIPOD |
| JP2004191518A (en) * | 2002-12-09 | 2004-07-08 | Nec Viewtechnology Ltd | Light source cooling method of projector, and projector |
| JP2007194188A (en) * | 2005-12-22 | 2007-08-02 | Matsushita Electric Works Ltd | Spotlight |
| CN101078868A (en) * | 2006-05-05 | 2007-11-28 | Csav有限公司 | Adjustable projector mount with quick release device interface |
| CN206671736U (en) * | 2017-04-10 | 2017-11-24 | 江苏农牧科技职业学院 | A kind of adjustable teaching projecting apparatus |
| CN206846222U (en) * | 2017-05-09 | 2018-01-05 | 湖北生态工程职业技术学院 | A kind of projector angles adjustment frame |
-
2018
- 2018-09-03 CN CN201811022865.2A patent/CN108957919A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7540557U (en) * | 1975-12-19 | 1976-04-29 | Lohner, Alfred, 8900 Augsburg | HEIGHT-ADJUSTABLE TRIPOD |
| JP2004191518A (en) * | 2002-12-09 | 2004-07-08 | Nec Viewtechnology Ltd | Light source cooling method of projector, and projector |
| JP2007194188A (en) * | 2005-12-22 | 2007-08-02 | Matsushita Electric Works Ltd | Spotlight |
| CN101078868A (en) * | 2006-05-05 | 2007-11-28 | Csav有限公司 | Adjustable projector mount with quick release device interface |
| CN206671736U (en) * | 2017-04-10 | 2017-11-24 | 江苏农牧科技职业学院 | A kind of adjustable teaching projecting apparatus |
| CN206846222U (en) * | 2017-05-09 | 2018-01-05 | 湖北生态工程职业技术学院 | A kind of projector angles adjustment frame |
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Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |