CN207571453U - A kind of Multifunctional portable projector - Google Patents

A kind of Multifunctional portable projector Download PDF

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Publication number
CN207571453U
CN207571453U CN201721805145.4U CN201721805145U CN207571453U CN 207571453 U CN207571453 U CN 207571453U CN 201721805145 U CN201721805145 U CN 201721805145U CN 207571453 U CN207571453 U CN 207571453U
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CN
China
Prior art keywords
upper box
multifunctional portable
hinged
portable projector
box
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
Application number
CN201721805145.4U
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Chinese (zh)
Inventor
张翼飞
闫天豪
付贝贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changan University
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Changan University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN201721805145.4U priority Critical patent/CN207571453U/en
Application granted granted Critical
Publication of CN207571453U publication Critical patent/CN207571453U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of Multifunctional portable projectors, not only compact, it is easy to carry, suitable standoff height can more be adjusted, to provide more convenient Multifunctional projector, a kind of Multifunctional portable projector described in the utility model includes the upper box and lower box that are connected by folding rack, upper box lid is hinged on upper box, upper box, which covers, is inlaid with electronic curtain, projection lamp is provided with immediately below electronic curtain, setting Fresnel Lenses on the inside of electronic curtain, upper box covers end face and is provided with sliding slot, stent is slidably connected on sliding slot, cradle top is provided with convex lens, cradle top side is hinged with reflective mirror.

Description

A kind of Multifunctional portable projector
Technical field
The utility model belongs to multimedia technology field, and in particular to a kind of Multifunctional portable projector.
Background technology
Nowadays, projecting apparatus either has in study or in commercial affairs irreplaceable role, and such as works are shown, Classroom instruction, working report, viewing amusement etc., but traditional projecting apparatus is larger there are volume, it is not easily shifted, it can not carry, and There is height and adjust inconvenience, and function is single in business projector, can not meet holographic video demonstration demand again.
Invention content
To solve the above-mentioned problems, the utility model provides a kind of Multifunctional portable projector, and the utility model is set Meter is reasonable, and not only compact, easy to carry, can more adjust suitable standoff height, to provide more convenient more work( It can projecting apparatus.
In order to achieve the above objectives, a kind of Multifunctional portable projector described in the utility model includes connecting by folding rack The upper box and lower box connect is hinged with upper box lid on upper box, and upper box, which covers, is inlaid with electronic curtain, and electronic curtain is just Lower section is provided with projection lamp, and Fresnel Lenses is set on the inside of electronic curtain, and upper box covers end face and is provided with sliding slot, slided on sliding slot Dynamic to be connected with stent, cradle top is provided with convex lens, and cradle top side is hinged with reflective mirror.
Further, folding rack includes multiple telescopic components, and each telescopic component intersects hinged including two Connecting rod, another connecting rod of the connecting rod and another adjacent telescopic component of one of telescopic component is hinged, positioned at most Telescopic component one end of upper end is slidably matched by the track of slide bar and the limiting device in upper box, positioned at the lowermost Telescopic component one end is fixedly connected with a slide block, and sliding block is slidably matched with the guide rail set in lower box, and slide bar is located at same with sliding block One end.
Further, limiting device is fixed by elastic band and locking device one end, and locking device is a length and limit The identical rectangular slab of position device, the setting of locking device upper end is there are one the first groove for being used to fix rubber band, if lower end is provided with Do the second groove for locating slide rod.
Further, locking device is tied with the side of elastic band and is hinged with pull rod.
Further, limiting device is fixed with lamp bracket upper end, offers sliding rail in the middle part of lamp bracket, projection lamp is bolted It is detachably connected with sliding rail and lamp bracket.
Further, it is slided on upper box and is provided with sliding rail computer board, sliding rail computer board takes in close with top box body sidewall Envelope, can put down laptop after pulling out.
Further, stent includes two groups of link mechanisms being set up in parallel, and every group of link mechanism includes successively hinged three Root connecting rod.
Further, line holographic projections cover is further included, use state line holographic projections cover is located at electronic curtain upper end, in inoperative Under state, line holographic projections cover is put in instrument placing box.
Further, it is fixedly installed screen baffle on the outside of electronic curtain.
Further, babinet pull rod is provided on lower box, the lower box side bottom end opposite with babinet pull rod is provided with Pulley.
Compared with prior art, the utility model at least has technique effect beneficial below, the babinet of the utility model For accommodating projecting apparatus framework and connecting line, and small volume, it is easy to carry about with one.
Further, folding rack includes multiple telescopic components, and each telescopic component intersects hinged including two Connecting rod, another connecting rod of the connecting rod and another adjacent telescopic component of one of telescopic component is hinged, positioned at most Telescopic component one end of upper end is slidably matched by the track of slide bar and the limiting device in upper box, positioned at the lowermost Telescopic component one end is fixedly connected with a slide block, and sliding block is slidably matched with the guide rail set in lower box, and slide bar is located at same with sliding block One end.Folding rack belongs to link mechanism, is connected with bolt and nut, for adjusting the height of projecting apparatus, and can play support and make With can easily adjust height, and easily close in babinet.
Further, limiting device is fixed by elastic band and locking device one end, and locking device is a length and limit The identical rectangular slab of position device, the setting of locking device upper end is there are one the first groove for being used to fix rubber band, if lower end is provided with The second groove for locating slide rod is done, it is convenient that slide bar is positioned, i.e., the height of telescope support is fixed.
Further, locking device is tied with the side of elastic band and is hinged with pull rod, when the height for needing to adjust telescope support When spending, pull rod is pulled upwardly, slide bar can be made to be skidded off from the second groove, continues on track movement.
Further, limiting device is fixed with lamp bracket upper end, offers sliding rail in the middle part of lamp bracket, projection lamp is bolted It is detachably connected with sliding rail and lamp bracket, can easily adjust the height of projection lamp, and then adjust the focal length of projection, make imaging clear It is clear.
Further, stent includes two groups of link mechanisms being set up in parallel, and every group of link mechanism includes successively hinged three Root connecting rod, stent can be folded and be stretched, convenient for storage.
Further, screen baffle is fixedly installed on the outside of electronic curtain, to block protection electronic curtain, while can be with Place teaching aid.
Further, babinet pull rod is provided on lower box, the lower box side bottom end opposite with babinet pull rod is provided with Pulley when needing outgoing carry, is hauled just as luggage case.
Description of the drawings
Fig. 1 is projecting apparatus entirety expanded view;
Fig. 2 is upper box installation diagram;
Fig. 3 is lower box installation diagram;
Fig. 4 is the whole installation diagram under off working state;
Fig. 5 is the expanded view under working condition;
Fig. 6 is limiting schematic device;
In figure, 1- upper boxes, 2- folding racks, 3- electronic curtains, 4- projection lamps, 5- lamp brackets, 6- stents, 61- convex lenses, 62- reflective mirrors, 7- guide rails, 8- sliding rail computer boards, 9- line holographic projections covers, 10- limiting devices, 11- locking devices, 12- instruments are put Put case, 13- slide bars, 14- screen baffles, 15- pull rods, 16- lower boxes, 17- babinet pull rods, 18- pulleys, 19- fixing devices, 20- sliding blocks, 21- upper box lids, 22- leading screws, 24- connecting rods, the first grooves of 111-, the second grooves of 112-.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The orientation or position of the instructions such as term " on ", " under ", "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outer " It is based on orientation shown in the drawings or position relationship to put relationship, is for only for ease of description the utility model and simplifies description, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore It is not intended that the limitation to the utility model.
Referring to figs. 1 to Fig. 6, a kind of Multifunctional portable projector includes what is connected by two folding racks 2 arranged side by side Upper box 1 and lower box 16.
With reference to Fig. 4, the appearance that the utility model includes 410mm × 300mm × 180mm is rectangular babinet, which is The chest using plank as watchcase being integrated by upper box 1 and lower box 16 by retaining ring lock, the welding of 16 bottom end side of lower box There are two pulley 18, and opposite side is internally provided with instrument placing box 12, and instrument placing box 12 is welded with iron plate, and instrument is put It puts case 12 and also has placement and the effect of static housing pull rod 17 concurrently, babinet pull rod 17 is telescopic rod, shares three sections, babinet pull rod 17 End is fixedly connected with the one side of instrument placing box 12 with bolt.
With reference to Fig. 2 and Fig. 6, upper box 1 includes the side of front, rear, left and right four, has been hinged in long side Box Cover 21, fixes with bolt that there are two the limiting device 10 being mutually parallel, a left sides for limiting device 10 and upper box in upper box 1 Locking device 11 is provided between right two sides, two locking devices 11 are mutually parallel, and limiting device 10 passes through including two The hollow square tube that bolt is fixedly connected, two hollow square tubes are setting up and down, and intermediate there are gap, which is to be slided for slide bar 13 The mobile track of row, four connecting rods, 24 top of 2 the top of folding rack is hinged with four slide bars 13 respectively, and slide bar 13 passes through folding The through-hole on 24 top of connecting rod of 2 upper end side of stent is folded to draw the movement of this root connecting rod 24, and in this side locking device 11 are fixedly connected with the upper end square tube of limiting device 10 by elastic band, and the opposite side slide bar 13 of 2 upper end of folding rack passes through edge Track is fixed on, while the slide bar 13 of this side passes through locking device 11, two locks in this side by iron block and bolt in track The side that tight device 11 is tied with elastic band is hinged with pull rod 15, the square identical with limiting device for a length of locking device 11 Shape plate, there are one for fixing the first groove 111 of rubber band, lower end is provided with several for positioning cunning the setting of locking device upper end Second groove 112 of bar 13, the centre-to-centre spacing of the second groove is 30mm.
The hollow square tube inside middle portion of two 10 tops of limiting device is fixed by bolt and 5 upper end of lamp bracket, projection lamp 4 It is joined with bolts in the sliding rail of lamp bracket 5,5 lower end of lamp bracket is free end, and under working condition, projection lamp is located at electronic curtain Underface, the side wall of the upper box 1 of the side of fixed slip bar 13 offer the through-hole passed in and out for sliding rail computer board 8, by sliding rail electricity The sliding rail of 8 lower end of brain plate is welded on upper box 1, and sliding rail computer board 8 is taken in be sealed with 1 side wall of upper box, energy after pulling out Enough put down laptop.
Folding rack 2 is used to adjust the height of projecting apparatus and play a supportive role, and folding rack 2 is link mechanism, including more A telescopic component, each telescopic component include two connecting rods 24 for intersecting hinged, a company of one of telescopic component Bar 24 and another connecting rod 24 of another adjacent telescopic component are hinged, pass through slide bar positioned at telescopic component one end of the top 13 are slidably matched with the track of limiting device 10, are fixedly connected with a slide block positioned at the lowermost telescopic component one end, connecting rod 24 For hollow square tube, two folding racks 2 are oppositely arranged, and synchronize fixation by two leading screws 22.
21 middle part of upper box lid is inlaid with electronic curtain 3, and it is saturating that 3 inside of electronic curtain is provided with one piece of big Fresnel of grade Mirror, outside are fixedly installed screen baffle 14, and respectively there are one rails for welding for the rear and front end of 21 outside electronic curtain 3 of upper box lid Slot, track slot is for limiting and fixed mask baffle, and screen baffle size is more slightly larger than electronic curtain 3 and light transmission, to block protection Electronic curtain 3, while teaching aid can be placed.21 upper surface of upper box lid is provided with sliding slot, and the bottom end of sliding slot and stent 6 is slided Dynamic cooperation, 6 top of stent are provided with convex lens 61 by bolt, and stent 6 is made of two groups of link mechanisms, one of connecting rod machine It is hinged with reflective mirror on structure, every group of link mechanism includes three hinged successively connecting rods, and in the operating condition, stent 6 can be with It folds, can also be slided in sliding slot, in a non-operative state, stent is laid in tank surface.In the feelings of demonstration holographic video Under condition, line holographic projections cover 9 is placed on electronic curtain 3, adjustment position makes presentation state best, in a non-operative state, The folding of line holographic projections cover 9 is put in instrument placing box 12.
With reference to Fig. 3,16 lower box of lower box, 16 inner bottom surface both sides are provided with two guide rails being mutually parallel 7 by bolt, Fixing device 19 is fixedly installed on the extended line of two guide rails 7, guide rail 7 moves back and forth, and position for folding rack. Fixing device 19 and the side of 2 lower end of folding rack are hinged, and are slided on guide rail 7 and are provided with sliding block 20, sliding block 20 is close with guide rail 7 Connection, sliding block 20 and the opposite side of 2 lower end of folding rack are hinged.
On the one hand, the utility model is by 2 lower end connection sliding block 20 of folding rack and fixing device 19, on folding rack 2 The side of limiting device 10 is fixed in end side, opposite side by being slided in track of the slide bar 13 in limiting device 10, so as to Realize then upper box 1 can realize that arbitrary height projects by the locking of locking device 11 with the possibility of adjustable height with decontroling Function.On the other hand, this projecting apparatus babinet is compact, vdiverse in function, and instrument placing box 12 can place textbook, while screen baffle Lectern is may act as, electronic curtain 3 and pyramid line holographic projections cover 9 can realize that holographic video is demonstrated, overcome existing commercial affairs The shortcomings that projector functions are single realizes and is convenient for carrying, feature-rich.
With reference to Fig. 5, in working condition, upper box 1 is unlocked, is above carried, select suitable height, 2 lower end of folding rack Side is fixed on the bottom surface of lower box 16, and opposite side is slided by sliding block 20 on guide rail 7, and 2 upper end of folding rack passes through Slide bar 13 is slided with the lifting of folding rack 2 in the track of the limiting device 10 in upper box, when selection is suitable high After degree, pull rod 15 is pulled up, 11 one end of locking device is moved up, then slide bar 13 is placed in the second groove of locking device 11, 11 energy fixed fold stent of locking device after positioning, sliding rail computer board 8 from upper box side is pulled out, notebook is placed in it On, computer with electronic curtain is connect with VGA data lines, is then projeced into the light of projection lamp on electronic curtain vertically, it will be electric Sub-screen plug accesses power supply, adjusts the angle of convex lens 61 and highly until projection is clear, this is traditional projecting apparatus effect, In addition, also line holographic projections cover 9 can be placed on electronic curtain, holographic video is recalled, line holographic projections can be by soft in graphic detail Part makes, and can help that transmitted knowledge is understood more intuitively in this way, while can also excite the study wish for the person of seeking knowledge, secondly, This projecting apparatus is also acted as in dais, and screen baffle is covered electronic curtain, you can places the teaching aids such as textbook, chalk.
Projection lamp process is:For the light of projection lamp 4 first through Fresnel Lenses, Fresnel Lenses gathers light in electronic curtain On, the light in electronic curtain is thrown by the content direct projection of electronic curtain on lens, and lens are thrown the light launched in anti-by refraction On light microscopic, reflective mirror is by institute's imaging reflection on wall.
Such as Fig. 4, for the utility model in carrying process, babinet is in closed state, locks upper and lower babinet by lock, puts down When can both select portable babinet, can also select with pull rod 17 draw babinet, it is compact convenient, it is easy to carry.Projecting apparatus has used Power cord used, lens and its folding of stent 6 are put in the instrument placing box 12 of lower box after finishing, 4 level of projection lamp is put In babinet, both hands hold upper box 1, and pull rod 15 is lifted, and locking device 11 unlocks, and gradually reduce folding rack 2, then will Upper box 1 is slowly put on lower box 16, then can portable or pulling by upper and lower box fastening-ring locking.

Claims (10)

1. a kind of Multifunctional portable projector, which is characterized in that including the upper box (1) that is connected by folding rack (2) and Lower box (16) is hinged with upper box lid (21) on upper box (1), electronic curtain (3), electronics is inlaid on upper box lid (21) Projection lamp (4) is provided with immediately below screen (3), Fresnel Lenses, upper box lid (21) upper surface are set on the inside of electronic curtain (3) Sliding slot is provided with, stent (6) is slidably connected on sliding slot, convex lens (61), stent (6) top one are provided at the top of stent (6) Side is hinged with reflective mirror.
2. a kind of Multifunctional portable projector according to claim 1, which is characterized in that folding rack (2) is including more A telescopic component, each telescopic component include two hinged connecting rods (24) that intersect, one of one of telescopic component Connecting rod (24) and another connecting rod (24) of another adjacent telescopic component are hinged, lead to positioned at telescopic component one end of the top It crosses slide bar (13) and the track of the limiting device (10) in upper box (1) is slidably matched, positioned at the lowermost telescopic component One end is fixedly connected with a slide block, and sliding block is slidably matched with the guide rail (7) set in lower box (16), and slide bar (13) is located at sliding block The same end.
3. a kind of Multifunctional portable projector according to claim 2, which is characterized in that limiting device (10) passes through pine Taut band is fixed with locking device (11) one end, locking device (11) rectangular slab identical with limiting device for a length, locking There are one for fixing the first groove (111) of rubber band, lower end is provided with several for locating slide rod (13) setting of device upper end The second groove (112).
4. a kind of Multifunctional portable projector according to claim 2, which is characterized in that locking device (11) is tied with pine The side of taut band is hinged with pull rod (15).
5. a kind of Multifunctional portable projector according to claim 2, which is characterized in that limiting device (10) and lamp bracket (5) upper end is fixed, and sliding rail is offered in the middle part of lamp bracket (5), and projection lamp (4) is bolted detachable with sliding rail and lamp bracket (5) Connection.
6. a kind of Multifunctional portable projector according to claim 1, which is characterized in that slide and set on upper box (1) Sliding rail computer board (8) is equipped with, sliding rail computer board (8) is taken in be sealed with upper box (1) side wall, and pen can be put down after pulling out Remember this computer.
7. a kind of Multifunctional portable projector according to claim 1, which is characterized in that stent (6) including two groups simultaneously The link mechanism of setting is arranged, every group of link mechanism includes three hinged successively connecting rods.
8. a kind of Multifunctional portable projector according to claim 1, which is characterized in that further include line holographic projections cover (9), use state line holographic projections cover (9) is positioned at electronic curtain upper end, and in a non-operative state, line holographic projections cover (9) is put in instrument Device placing box (12).
9. a kind of Multifunctional portable projector according to claim 1, which is characterized in that solid on the outside of electronic curtain (3) Surely it is provided with screen baffle (14).
10. a kind of Multifunctional portable projector according to claim 1, which is characterized in that lower box is set on (16) There is babinet pull rod (17), lower box (16) is provided with pulley (18) with the opposite side bottom end of babinet pull rod (17).
CN201721805145.4U 2017-12-21 2017-12-21 A kind of Multifunctional portable projector Expired - Fee Related CN207571453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721805145.4U CN207571453U (en) 2017-12-21 2017-12-21 A kind of Multifunctional portable projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721805145.4U CN207571453U (en) 2017-12-21 2017-12-21 A kind of Multifunctional portable projector

Publications (1)

Publication Number Publication Date
CN207571453U true CN207571453U (en) 2018-07-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721805145.4U Expired - Fee Related CN207571453U (en) 2017-12-21 2017-12-21 A kind of Multifunctional portable projector

Country Status (1)

Country Link
CN (1) CN207571453U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111240136A (en) * 2020-03-14 2020-06-05 深圳市同创依诺数码科技有限公司 Projection system with intelligent heat dissipation function
CN112859493A (en) * 2021-01-26 2021-05-28 徐州工程学院 Household multifunctional projection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111240136A (en) * 2020-03-14 2020-06-05 深圳市同创依诺数码科技有限公司 Projection system with intelligent heat dissipation function
CN112859493A (en) * 2021-01-26 2021-05-28 徐州工程学院 Household multifunctional projection device

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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: 20180703

Termination date: 20181221

CF01 Termination of patent right due to non-payment of annual fee