CN209628986U - A kind of integration portable mobile multimedia equipment - Google Patents
A kind of integration portable mobile multimedia equipment Download PDFInfo
- Publication number
- CN209628986U CN209628986U CN201822247582.XU CN201822247582U CN209628986U CN 209628986 U CN209628986 U CN 209628986U CN 201822247582 U CN201822247582 U CN 201822247582U CN 209628986 U CN209628986 U CN 209628986U
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- China
- Prior art keywords
- fixed
- elevator chamber
- projection
- gear
- portable mobile
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Abstract
The utility model discloses a kind of integrated portable mobile multimedia equipments, including projection table, projection table is internally provided with elevator chamber, the inside of elevator chamber is fixed with reel and lifting device, winding has projection cloth inside reel, the upper side edge of projection cloth is fixed on cross stay, and cross stay is connect with lifting device, the side of elevator chamber passes through scissors rod group connection expansion link, the lower end of telescopic rod is fixed with pedestal, the upper end of telescopic rod is fixed with lifting platform, is fixed on lifting platform and supports plate, and supports and be fixed with projector on plate.This kind integration portable mobile multimedia equipment, it is rotated by rocking bar band moving gear, cross stay is risen to pull out projection cloth out of reel by wheel and rack, and it screws off screw rod and pulls out telescopic rod from projection table bottom, and the height for adjusting projector makes it possible to be projected on projection cloth, realizes multimedia teaching, integrated structure designs carrying easy to remove, and convenient retracted management, it improves the quality of teaching and efficiency.
Description
Technical field
The utility model relates to multimedia teaching field, specially a kind of integrated portable mobile multimedia equipment.
Background technique
With the application popularization of multimedia technology, very big convenience is brought to education to media-based instructional model, is not only mentioned
High quality of instruction, and the amount of labour of teacher is reduced, instructional blocks of time is saved, the content of courses is increased, improves teaching effect
Rate.But existing multimedia teaching facility is fixedly mounted inside classroom more, for outdoor teaching and to some tune conditions
More backward area is imparted knowledge to students very inconvenient.
To solve the above problems, therefore it is proposed that a kind of integration portable mobile multimedia equipment.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of integrated portable mobile
Multimedia equipment, in order to solve the above-mentioned technical problem, the utility model provide the following technical solution:
A kind of integrated portable mobile multimedia equipment of the utility model, including projection table, projection table are internally provided with
Elevator chamber, the inside of elevator chamber are fixed with reel and lifting device, and winding has projection cloth inside reel, and the upper side edge of projection cloth is solid
It is scheduled on cross stay, and cross stay is connect with lifting device, the side of elevator chamber passes through scissors rod group connection expansion link, telescopic rod
Lower end be fixed with pedestal, the upper end of telescopic rod is fixed with lifting platform, is fixed on lifting platform and supports plate, and supports on plate fixed
There is projector, projection cloth is reversely directed toward in the projection of projector.
Preferably, fixed-axis rotation is connected with shaft inside reel, and shaft connects one end of projection cloth, projection by wind spring
The side of cloth passes through reel and the desktop of projection table is fixedly connected with cross stay, and offers on the desktop of projection table and cross
The corresponding caulking groove of stay.
Preferably, lifting device includes rack and pinion, and rack gear sliding plug is being gone up and down inside the guide sleeve on chamber interior wall,
And upper end is fixedly connected with cross stay, gear is connected on the side wall of elevator chamber by rocking bar and bearing fixed-axis rotation, and gear
Connection is engaged with rack.
Preferably, lockable mechanism is fixed on the inner wall of elevator chamber, lockable mechanism is used to fix gear locking, locking machine
Structure includes the bracket being fixed on lifting chamber interior wall, and sliding plug has the slide bar for being directed toward the gear center of circle on bracket, and slide bar is directed toward tooth
The one end in the wheel center of circle is fixed with arc plate, and the other end is fixed with driving lever, and driving lever activity is plugged in the sliding slot on elevator chamber side wall
And the exposed outside to elevator chamber, the teeth engaged with gear are fixed on arc plate.
Preferably, fixed-axis rotation is connected with screw rod on telescopic rod, is fixed with fixed link on the side wall of elevator chamber, in fixed link
Screw hole corresponding with screw rod is offered, and is connect with screw hole so that telescopic rod is fixed on elevator chamber by screw rod.
Preferably, the bottom of projection table and the bottom of pedestal are respectively and fixedly provided with idler wheel.
Compared with prior art, the utility model beneficial effect achieved is: being rotated by rocking bar band moving gear, gear
Cross stay is risen to pull out projection cloth out of reel with rack gear, and screws off screw rod and draws telescopic rod from projection table bottom
Out, it and adjusts the height of projector and makes it possible to be projected on projection cloth, realize multimedia teaching, integrated structure design is just
It carries, and convenient retracted management, improves the quality of teaching and efficiency in mobile.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of general assembly structural schematic diagram of integrated portable mobile multimedia equipment of the utility model；
Fig. 2 is the Section A-A structural schematic diagram in Fig. 1；
Fig. 3 is a kind of lockable mechanism structural representation of integrated portable mobile multimedia equipment of the utility model.
In figure: 1- projection table；2- elevator chamber；3- reel；4- projection cloth；5- cross stay；6- rack gear；7- rocking bar；8- is fixed
Bar；9- scissors rod group；10- pedestal；11- telescopic rod；12- screw rod；13- lifting platform；14- supports plate；15- projector；16- is sliding
Slot；17- guide sleeve；18- caulking groove；19- gear；20- lockable mechanism；201- bracket；202- slide bar；203- spring；204- arc
Plate.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in Figure 1-3, a kind of integration portable mobile multimedia equipment, including projection table 1, the inside of projection table 1 are set
It is equipped with elevator chamber 2, the inside of elevator chamber 2 is fixed with reel 3 and lifting device, and winding has projection cloth 4, projection cloth 4 inside reel 3
Upper side edge be fixed on cross stay 5, and cross stay 5 is connect with lifting device, and the side of elevator chamber 2 passes through scissors rod group 9 and connects
Telescopic rod 11 is connect, the lower end of telescopic rod 11 is fixed with pedestal 10, and the bottom of projection table 1 and the bottom of pedestal 10 are respectively and fixedly provided with rolling
Wheel, the upper end of telescopic rod 11 is fixed with lifting platform 13, is fixed on lifting platform 13 and supports plate 14, and supports and be fixed with throwing on plate 14
Projection cloth 4 is reversely directed toward in shadow instrument 15, the projection of projector 15.
In the present embodiment, 3 inside fixed-axis rotation of reel is connected with shaft, and shaft connects the one of projection cloth 4 by wind spring
End, the side of projection cloth 4 passes through reel 3 and the desktop of projection table 1 is fixedly connected with cross stay 5, and the desktop of projection table 1
On offer caulking groove 18 corresponding with cross stay 5, between cross stay 5 and caulking groove 18 determine the desktop of projection table 1 it is concordant, conveniently do
Minister uses, and lifting device includes rack gear 6 and gear 19,6 sliding plug of rack gear inside the guide sleeve 17 on 2 inner wall of elevator chamber,
And upper end is fixedly connected with cross stay 5, gear 19 is connected on the side wall of elevator chamber 2 by rocking bar 7 and bearing fixed-axis rotation, and
Gear 19 engages connection with rack gear 6.
In the present embodiment, lockable mechanism 20 is fixed on the inner wall of elevator chamber 2, lockable mechanism 20 is used to lock gear 19
It only fixes, lockable mechanism 20 includes the bracket 201 being fixed on 2 inner wall of elevator chamber, and sliding plug has direction gear on bracket 201
The slide bar 202 in 19 centers of circle, one end that slide bar 202 is directed toward 19 center of circle of gear are fixed with arc plate 204, and the other end is fixed with driving lever, and
Driving lever activity is plugged on the sliding slot 16 on 2 side wall of elevator chamber Nei and the exposed outside to elevator chamber 2, be fixed on arc plate 204 with
The teeth that gear 19 engages.
In the present embodiment, fixed-axis rotation is connected with screw rod 12 on telescopic rod 11, is fixed with fixed link on the side wall of elevator chamber 2
8, screw hole corresponding with screw rod 12 is offered in fixed link 8, and connect with screw hole so that telescopic rod 11 is fixed on by screw rod 12
On elevator chamber 2.
The principles of the present invention and advantage: this kind integration portable mobile multimedia equipment, being imparted knowledge to students in use,
16 slide bar 202 is pulled along the chute by driving lever, so that arc plate 204 is far from gear 19 and compressed spring 203, so that arc plate 204 is right
Then gear 19 is rotated by rocking bar 7 with moving gear 19, gear 19 is with carry-over bar in guide sleeve forward or backwards without locking effect
Cross stay 5 is risen under the action of 17, cross stay 5 pulls out projection cloth 4 out of reel 3, until rising to suitable height, unclamps
Driving lever makes arc plate 204 be stuck in the edge of gear 19 under the rebound effect of spring 203, carries out occlusion lock to gear 19
Only, it realizes the fixation to cross stay 5, keeps the stabilization of projection cloth 4；
Then screw rod 12 is screwed off from fixed link 8, and telescopic rod 11 is pulled out from 1 bottom of projection table, at this time scissors rod group 9
Elongation, and the height for adjusting telescopic rod 11 makes the height of projector 15 corresponding with the height of projection cloth 4, it can be in projection cloth 4
It is upper to launch suitable image, the length of telescopic rod 11 is then locked, realizes multimedia teaching；
After teaching, the height for adjusting telescopic rod 11 to restore original height, and telescopic rod 11 is pushed to project
The inside of table 1, so that screw rod 12 is corresponding with fixed link 8, and screw rod 12 is tightened in fixed link 8, so that telescopic rod 11 and liter
Drop case 2 is connected and fixed；
16 slide bar 202 is pulled along the chute again by driving lever, so that arc plate 204 is far from gear 19 and compressed spring 203,
So that arc plate 204 to gear 19 without locking effect, then rotated forward or backwards again by rocking bar 7 with moving gear 19, gear
19 band carry-over bars land cross stay 5 under the action of guide sleeve 17, and under the action of 3 inside wind spring of reel, projection cloth 4 is received
Volume is inside reel 3, and the interlocking of cross stay 5 is unclamped driving lever, made under the rebound effect of spring 203 in caulking groove 18
Arc plate 204 is stuck in the edge of gear 19, carries out occlusion locking to gear 19, realizes the winding to projection cloth 4, and keeps throwing
1 flush of shadow table uses convenient for office；
The integrated structure of whole equipment designs carrying easy to remove, and convenient retracted management, improve the quality of teaching and
Efficiency.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of integration portable mobile multimedia equipment, including projection table (1), it is characterised in that: the projection table (1) it is interior
Portion is provided with elevator chamber (2), and the inside of the elevator chamber (2) is fixed with reel (3) and lifting device, and the reel (3) is internal
Winding has projection cloth (4), and the upper side edge of the projection cloth (4) is fixed on cross stay (5), and cross stay (5) and lifting device
Connection, by scissors rod group (9) connection expansion link (11), the lower end of the telescopic rod (11) is solid for the side of the elevator chamber (2)
Surely have pedestal (10), the upper end of the telescopic rod (11) is fixed with lifting platform (13), is fixed with and is supported on the lifting platform (13)
Plate (14), and support and be fixed on plate (14) projector (15), projection cloth (4) are reversely directed toward in the projection of the projector (15).
2. integration portable mobile multimedia equipment as described in claim 1, it is characterised in that: fixed inside the reel (3)
Axis is rotatably connected to shaft, and shaft, by one end of wind spring connection projection cloth (4), the side of the projection cloth (4) passes through volume
Cylinder (3) and the desktop of projection table (1) are fixedly connected with cross stay (5), and are offered on the desktop of projection table (1) and stull
The corresponding caulking groove (18) of item (5).
3. integration portable mobile multimedia equipment as claimed in claim 2, it is characterised in that: the lifting device includes tooth
Item (6) and gear (19), guide sleeve (17) of rack gear (6) sliding plug on elevator chamber (2) inner wall is internal, and upper end with
Cross stay (5) is fixedly connected, and the gear (19) is connected to the side wall of elevator chamber (2) by rocking bar (7) and bearing fixed-axis rotation
On, and gear (19) engages connection with rack gear (6).
4. integration portable mobile multimedia equipment as claimed in claim 3, it is characterised in that: the elevator chamber (2) it is interior
It is fixed on wall lockable mechanism (20), the lockable mechanism (20) is used to fix gear (19) locking, the lockable mechanism
It (20) include the bracket (201) being fixed on elevator chamber (2) inner wall, sliding plug has direction gear on the bracket (201)
(19) slide bar (202) in the center of circle, one end that the slide bar (202) is directed toward gear (19) center of circle are fixed with arc plate (204), the other end
It is fixed with driving lever, and driving lever activity is plugged on the sliding slot (16) on elevator chamber (2) side wall Nei and exposed outer to elevator chamber (2)
Portion is fixed with the teeth engaged with gear (19) on the arc plate (204).
5. integration portable mobile multimedia equipment as described in claim 1, it is characterised in that: fixed on the telescopic rod (11)
Axis is rotatably connected to screw rod (12), is fixed with fixed link (8) on the side wall of the elevator chamber (2), is opened up on the fixed link (8)
There is screw hole corresponding with screw rod (12), and is connect with screw hole by screw rod (12) so that telescopic rod (11) is fixed on elevator chamber (2)
On.
6. integration portable mobile multimedia equipment as described in claim 1, it is characterised in that: the bottom of the projection table (1)
Portion and the bottom of pedestal (10) are respectively and fixedly provided with idler wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247582.XU CN209628986U (en) | 2018-12-29 | 2018-12-29 | A kind of integration portable mobile multimedia equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247582.XU CN209628986U (en) | 2018-12-29 | 2018-12-29 | A kind of integration portable mobile multimedia equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209628986U true CN209628986U (en) | 2019-11-15 |
Family
ID=68475427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822247582.XU Expired - Fee Related CN209628986U (en) | 2018-12-29 | 2018-12-29 | A kind of integration portable mobile multimedia equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209628986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880251A (en) * | 2019-11-30 | 2020-03-13 | 王毅 | Portable projection arrangement of marketing training teaching |
| CN111413845A (en) * | 2020-03-18 | 2020-07-14 | 任剑岚 | Computer-controlled teaching device |
-
2018
- 2018-12-29 CN CN201822247582.XU patent/CN209628986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880251A (en) * | 2019-11-30 | 2020-03-13 | 王毅 | Portable projection arrangement of marketing training teaching |
| CN110880251B (en) * | 2019-11-30 | 2022-08-09 | 王毅 | Portable projection arrangement of marketing training teaching |
| CN111413845A (en) * | 2020-03-18 | 2020-07-14 | 任剑岚 | Computer-controlled teaching device |
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| 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: 20191115 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |