CN207990114U - A kind of computer based multimedia teaching apparatus - Google Patents
A kind of computer based multimedia teaching apparatus Download PDFInfo
- Publication number
- CN207990114U CN207990114U CN201721634314.2U CN201721634314U CN207990114U CN 207990114 U CN207990114 U CN 207990114U CN 201721634314 U CN201721634314 U CN 201721634314U CN 207990114 U CN207990114 U CN 207990114U
- Authority
- CN
- China
- Prior art keywords
- projecting apparatus
- rod
- fixedly installed
- casing
- motor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of computer based multimedia teaching apparatus, it include the pedestal being fixedly installed in by fixing bolt at the top of multi-media classroom, telescopic device, projecting apparatus fixing device and projecting apparatus, a supporting rod is vertically fixedly mounted in the pedestal lower end, telescopic device is set on the right side of supporting rod, projecting apparatus fixing device is set to telescopic device lower end, telescopic device is by fixed block, metallic rod, spur rack, positive stop strip, top plate, motor, gear and short message remote controllers composition, projecting apparatus fixing device by U-typed shell, casing, locating rod, spring, annulus and locating piece composition.The utility model is simple in structure, easy to use, can effectively control the height of projecting apparatus, facilitate opening and closing projecting apparatus, increase safety, also can quickly remove projecting apparatus, facilitate replacement and repair.
Description
Technical field
The utility model is related to teaching equipment fields, and in particular to a kind of computer based multimedia teaching apparatus.
Background technology
With the development of Modern Education Technology, multimedia assisted instruction enters teaching classroom.Utilize computer media skill
Art carries out comprehensive display to data such as text, sound, figure, image, animations, and capable of fully createing one, both pictures and texts are excellent, sound
Coloured, vivid teaching environment, smooth for teachers ' teaching are implemented to provide vivid representation aids, to excite student's
Learning interest effectively improves teaching efficiency.
Nowadays multimedia technology, which is typically necessary, uses projecting apparatus, and still, present projecting apparatus is all directly logical
The top that fixing bolt is fixedly installed in multi-media classroom is crossed, when in use, since the height of projecting apparatus is higher so that need to learn
Raw station could open projecting apparatus on desk, very dangerous, and this fixed form causes the repair of projecting apparatus more difficult.
Utility model content
To solve the above problems, the utility model provide it is a kind of simple in structure, it is easy to use, can effectively control projection
The height of instrument facilitates opening and closing projecting apparatus, also can quickly remove projecting apparatus, facilitate replacement and repair based on
The multimedia teaching apparatus of computer.
To achieve the above object, the technical solution that the utility model is taken is:
A kind of computer based multimedia teaching apparatus, including multi-media classroom top is fixedly installed in by fixing bolt
Pedestal, telescopic device, projecting apparatus fixing device and the projecting apparatus in portion, the pedestal lower end are vertically fixedly mounted a supporting rod, stretch
Compression apparatus is set on the right side of supporting rod, and projecting apparatus fixing device is set to telescopic device lower end, and telescopic device is by fixed block, metal
Bar, spur rack, positive stop strip, top plate, motor, gear and short message remote controllers composition, projecting apparatus fixing device by U-typed shell
Body, casing, locating rod, spring, annulus and locating piece composition.
Fixed block is fixedly installed on the right side of supporting rod as a preferred technical solution, and fixed block is equipped with a strip shape gob, item
Shape mouth runs through fixed block up and down, and the one side far from supporting rod is equipped with a limiting slot, the one side of fixed block inside strip shape gob
It is equipped with a through-hole, motor is fixedly installed on the side of fixed block, and the shaft of motor is extended to along through-hole inside strip shape gob,
And be fixedly connected with the gear, metallic rod passes through the strip shape gob, spur rack to be fixedly installed in metallic rod from top to down
Left side on, spur rack engages connection with the gear, and positive stop strip is fixedly installed on the right side of metallic rod, positive stop strip
One end is slidably mounted in the limiting slot, and top plate is fixedly installed in metallic rod upper end.
Casing is fixedly installed on projection surface as a preferred technical solution, and there are four casing is set, four casings are in
Rectangle structure is distributed, and the opening of casing is arranged outwardly, and projecting apparatus upper end is set to enclosure interior, the top surface of shell and metal
Bar is fixedly connected, and the opening that the side plates of shell both sides is right against casing is equipped with a circular hole, and locating rod is equipped with four, locating rod
It is each passed through circular hole to be inserted into corresponding casing, locating piece is equipped with four pieces, and locating piece is fixedly installed in locating rod and is located at respectively
On extraneous end face, there are four spring is set, spring is respectively fitted over locating rod and is located on extraneous one section, and spring one end is and shell
The side of body is fixedly connected, and the other end is fixedly connected with locating piece, and annulus also is provided with four, and annulus is respectively arranged in locating piece
Surface on.
Short message remote controllers are fixedly installed on motor as a preferred technical solution, short message remote controllers and electricity
Machine is electrically connected, and is fixedly connected with a power cord on the input terminal of motor, a plug is fixedly mounted on power cord one end.
The utility model has the advantages that:The utility model is simple in structure, easy to use, can effectively control throwing
The height of shadow instrument facilitates opening and closing projecting apparatus, increases safety, also can quickly remove projecting apparatus, facilitate
It replaces and repairs.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment;
Fig. 2 is the structural schematic diagram of telescopic device in the utility model embodiment;
Fig. 3 is the structural schematic diagram of projecting apparatus fixing device in the utility model embodiment.
Specific implementation mode
In order to make the purpose of this utility model and advantage be more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the utility model embodiment provides a kind of computer based multimedia teaching dress
Set, include by fixing bolt be fixedly installed in pedestal 1 at the top of multi-media classroom, telescopic device, projecting apparatus fixing device and
A supporting rod 6 is vertically fixedly mounted in projecting apparatus 9,1 lower end of the pedestal, and telescopic device is set to 6 right side of supporting rod, and projecting apparatus is solid
Determine device and be set to telescopic device lower end, telescopic device is by fixed block 7, metallic rod 4, spur rack 3, positive stop strip 5, top plate 2, motor
12, gear 14 and short message remote controllers 11 form, projecting apparatus fixing device by U-typed shell 10, casing 16, locating rod
19, spring, annulus 8 and locating piece 17 form.
In the present embodiment, fixed block 7 is fixedly installed in 6 right side of supporting rod, and fixed block 7 is equipped with a strip shape gob 13, bar shaped
About 13 mouth runs through fixed block 7, and 13 one side of the inside far from supporting rod 6 of strip shape gob is equipped with a limiting slot 15, fixed block 7
One side is equipped with a through-hole, and motor 12 is fixedly installed on the side of fixed block 7, and the shaft of motor 12 is extended to along through-hole
It inside strip shape gob 13, and is fixedly connected with the gear 14, metallic rod 4 passes through the strip shape gob 13, straight-tooth from top to down
Item 3 is fixedly installed on the left side of metallic rod 4, and spur rack 3 engages connection with the gear 14, and positive stop strip 5 is fixedly mounted
In on the right side of metallic rod 4,5 one end of positive stop strip is slidably mounted in the limiting slot 15, and top plate 2 is fixedly installed in metal
4 upper end of bar.
In the present embodiment, casing 16 is fixedly installed on 9 surface of projecting apparatus, and there are four casing 16 is set, four casings 16 are in
Rectangle structure is distributed, and the opening of casing 16 is arranged outwardly, and 9 upper end of projecting apparatus is set to inside shell 10, the top of shell 10
Face is fixedly connected with metallic rod 4, and the opening that the side plates of 10 both sides of shell is right against casing 16 is equipped with a circular hole 18, locating rod
19 are equipped with four, and locating rod 19 is each passed through circular hole 18 and is inserted into corresponding casing 16, and locating piece 17 is equipped with four pieces, locating piece
17 are fixedly installed in locating rod 19 respectively is located on extraneous end face, and there are four spring is set, spring is respectively fitted over locating rod 19
On extraneous one section, spring one end is fixedly connected with the side of shell 10, and the other end is fixedly connected with locating piece 17,
Annulus 8 also is provided with four, and annulus 8 is respectively arranged on the surface of locating piece 17.
In the present embodiment, short message remote controllers 11 are fixedly installed on motor 12, short message remote controllers 11 and motor
12 are electrically connected, and are fixedly connected with a power cord on the input terminal of motor 12, a plug is fixedly mounted on power cord one end.
Operation principle:A SIM card built in short message remote controllers can recognize that specific short message, and teacher a long way off can be light
It realizes that mobile phone controls motor positive and inverse, straight-tooth effectively band moving gear, the rotation of gear can have been driven by the positive and negative rotation of motor
Item and metallic rod so that metallic rod is moved up and down along limiting slot, and the movement of metallic rod has driven the projecting apparatus positioned at lower end, side
To the switch of projecting apparatus, and since projecting apparatus is fixed on by way of grafting in projecting apparatus fixing device, needing
When replacing or repairing projecting apparatus, annulus is moved to by finger outward, the movement of annulus has driven locating rod, until making positioning
Bar is removed from sleeve, at this moment, can directly be removed projecting apparatus from shell.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of computer based multimedia teaching apparatus, it is characterised in that:It is more including being fixedly installed in by fixing bolt
Pedestal, telescopic device, projecting apparatus fixing device at the top of Media Classroom and projecting apparatus, the pedestal lower end are vertically fixedly mounted one
Supporting rod, telescopic device are set on the right side of supporting rod, and projecting apparatus fixing device is set to telescopic device lower end, and telescopic device is by solid
Determine block, metallic rod, spur rack, positive stop strip, top plate, motor, gear and short message remote controllers composition, projecting apparatus fixing device by
Shell, casing, locating rod, spring, annulus and the locating piece composition of U-typed.
2. computer based multimedia teaching apparatus according to claim 1, it is characterised in that:Fixed block is fixedly mounted
In supporting rod right side, fixed block is equipped with a strip shape gob, and strip shape gob runs through fixed block up and down, the separate supporting rod in strip shape gob inside
One side is equipped with a limiting slot, and the one side of fixed block is equipped with a through-hole, and motor is fixedly installed on the side of fixed block,
The shaft of motor is extended to along through-hole inside strip shape gob, and is fixedly connected with the gear, and metallic rod passes through from top to down
The strip shape gob, spur rack are fixedly installed on the left side of metallic rod, and spur rack engages connection with the gear, limit
Item is fixedly installed on the right side of metallic rod, and positive stop strip one end is slidably mounted in the limiting slot, and top plate is fixedly mounted
In metallic rod upper end.
3. computer based multimedia teaching apparatus according to claim 1, it is characterised in that:Casing is fixedly installed in
On projection surface, there are four casing is set, four casings are rectangle structure distribution, and the opening of casing is arranged outwardly, projection
Instrument upper end is set to enclosure interior, and the top surface of shell is fixedly connected with metallic rod, and the side plate of shell both sides is right against opening for casing
A circular hole is equipped at mouthful, locating rod is equipped with four, and locating rod is each passed through circular hole and is inserted into corresponding casing, and locating piece is set
There are four pieces, locating piece is fixedly installed in locating rod and is located on extraneous end face respectively, and there are four spring is set, spring is respectively fitted over
Locating rod is located on extraneous one section, and spring one end is fixedly connected with the side of shell, and the other end, which is fixed with locating piece, to be connected
It connects, annulus also is provided with four, and annulus is respectively arranged on the surface of locating piece.
4. computer based multimedia teaching apparatus according to claim 1, it is characterised in that:Short message remote controllers
It being fixedly installed on motor, short message remote controllers are electrically connected with motor, and a power cord is fixedly connected on the input terminal of motor,
A plug is fixedly mounted on power cord one end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721634314.2U CN207990114U (en) | 2017-11-30 | 2017-11-30 | A kind of computer based multimedia teaching apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721634314.2U CN207990114U (en) | 2017-11-30 | 2017-11-30 | A kind of computer based multimedia teaching apparatus |
Publications (1)
Publication Number | Publication Date |
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CN207990114U true CN207990114U (en) | 2018-10-19 |
Family
ID=63804961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721634314.2U Expired - Fee Related CN207990114U (en) | 2017-11-30 | 2017-11-30 | A kind of computer based multimedia teaching apparatus |
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CN (1) | CN207990114U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111265312A (en) * | 2020-02-01 | 2020-06-12 | 青岛市城阳区人民医院 | Auxiliary support for anesthesia |
-
2017
- 2017-11-30 CN CN201721634314.2U patent/CN207990114U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111265312A (en) * | 2020-02-01 | 2020-06-12 | 青岛市城阳区人民医院 | Auxiliary support for anesthesia |
CN111265312B (en) * | 2020-02-01 | 2021-04-02 | 青岛市城阳区人民医院 | Auxiliary support for anesthesia |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20191130 |
|
CF01 | Termination of patent right due to non-payment of annual fee |