Summary of the invention
The object of the present invention is to provide a kind of projection arrangement, it has elevating function.
Another object of the present invention is to provide a kind of projection arrangement, it can change projection luminous beam path.
Based on above-mentioned purpose, the invention provides a kind of projection arrangement, comprise a base, one first side wall, one first mobile platform, a driving member, a driving belt, one first sliding part, one second mobile platform and a projecting cell.The first side wall is arranged on the base.The first mobile platform is arranged on the first side wall movably.One end of driving member is articulated in the first mobile platform.Driving belt is arranged on the driving member rotationally.One end of the first sliding part is articulated in the first side wall, and the other end of the first sliding part is arranged on the driving member movably, and is fixed on the driving belt.The second mobile platform is arranged on the driving member movably, and is fixed on the driving belt.The second mobile platform and the first sliding part are oppositely arranged.Projecting cell is arranged on the second mobile platform.When the first mobile platform when base moves, the first mobile platform drives driving member and moves, and driving member rotates relative to the first mobile platform, and the first sliding part rotates relative to side wall, and driving belt rotates relative to driving member, moves relative to driving member thereby drive the second mobile platform.
In this embodiment, projection arrangement more can comprise a catoptron, is articulated in the second mobile platform.The light that mirror reflects projects from projecting cell, thus projection luminous beam path changed.For example, when base is positioned on the plane, and the relative driving member of the second mobile platform is when moving to a projected position, and the light reflection that catoptron can project projecting cell is to identical plane.
According to technique scheme, projection arrangement of the present invention has following advantages and beneficial effect at least: according to above-mentioned mechanism design, when the first mobile platform when base moves, projecting cell also can be along with the second mobile platform be driven, thereby reaches the function of lifting.In addition, the light that projection arrangement of the present invention can utilize mirror reflects to project from projecting cell, thus change projection luminous beam path, so that the range of application of projection arrangement of the present invention is more extensive.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, in order to more clearly understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by a plurality of embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Embodiment
Please refer to Fig. 1 to Fig. 5, Fig. 1 is the stereographic map of projection arrangement 1 according to an embodiment of the invention, and wherein the second mobile platform 22 is in a stowed position; Fig. 2 is the side view of the projection arrangement 1 among Fig. 1; Fig. 3 is that projection arrangement 1 among Fig. 1 is in the stereographic map at another visual angle; Fig. 4 is the stereographic map of the first mobile platform 14 among Fig. 1; Fig. 5 is the internal view of the driving member 16 among Fig. 3.
Such as Fig. 1, Fig. 3 and shown in Figure 5, projection arrangement 1 comprises a base 10, one first side wall 12, one second side wall 13, one first mobile platform 14, a driving member 16, a driving belt 18, one first sliding part 20, one second sliding part 21, one second mobile platform 22, a projecting cell 24, a catoptron 26, a tooth bar 28, a plurality of slide rail 30, a driver element 32 and a gear set 34.The first side wall 12 and the second side wall 13 all are to be arranged on the base 10.In this embodiment, projection arrangement 1 comprises three slide rails 30 and a tooth bar 28, and described slide rail 30 is arranged at respectively the medial surface of the first side wall 12 or the second side wall 13, and tooth bar 28 then is arranged at the medial surface of the second side wall 13.Yet, slide rail 30 is to cooperate tooth bar 28, the first mobile platform 14 can smoothly be moved relative to base 10, therefore the quantity of slide rail 30 is not limited with three, and tooth bar 28 is not limit to arrange on the second side wall 13 yet and (can be arranged on the first side wall 12 yet), can look practical application and determines.
As shown in Figure 4, the first mobile platform 14 comprises three sliding parts 140.In this embodiment, each sliding part 140 is arranged on respectively in one of them of three slide rails 30 among Fig. 1 movably.It should be noted that, the quantity of sliding part 140 matches with the quantity of slide rail 30.In other words, the quantity of sliding part 140 is not limited with three yet, can look practical application and determines.In practical application, can pulley 142 be set at each sliding part 140, thereby each sliding part 140 can smoothly be moved in the slide rail 30 of correspondence.
Driver element 32 is arranged on the first mobile platform 14, and 34 of gear sets are connected in driver element 32 and are engaged in tooth bar 28.In this embodiment, driver element 32 can be a motor.Gear set 34 comprises one first gear 340 and one second gear 342.The first gear 340 is connected in the output terminal 320 of driver element 32.The second gear 342 is articulated in the first mobile platform 14 and is engaged in respectively the first gear 340 and tooth bar 28.Therefore, when driver element 32 running, just can drive the first gear 340, and drive the second gear 342 and rotate relative to tooth bar 28, thereby the first mobile platform 14 is moved relative to base 10.As shown in Figure 1, if the second gear 342 rotates towards clockwise direction, then the first mobile platform 14 can be driven towards the direction away from base 10 and move; If the second gear 342 rotates towards counterclockwise direction, then the first mobile platform 14 can be driven towards the direction near base 10 and move.In this embodiment, the number of teeth of the first gear 340 can be designed to be less than the number of teeth of the second gear 342, thereby the output of driver element 32 is slowed down.It should be noted that, the number of teeth of the first gear 340 can cooperate tooth bar 28 to do design with the number of teeth of the second gear 342, decides on practical application.
Driving belt 18 is arranged on the driving member 16 rotationally.One end of driving member 16 is articulated in the first mobile platform 14 by a rotating axle spare 36.In this embodiment, driving member 16 can be comprised of two housings 160.As shown in Figure 5, have a groove 162 in the housing 160, and driving belt 18 is arranged at rotationally in the groove 162.One end of the first sliding part 20 is articulated in the first side wall 12 by a rotating axle spare 38, and the other end of the first sliding part 20 is arranged in the groove 162 of driving member 16 movably, and is fixed on the driving belt 18.In addition, the second mobile platform 22 is connected in an end of the second sliding part 21, and the other end of the second sliding part 21 is arranged in the groove 162 of driving member 16 movably, and is fixed on the driving belt 18.As shown in Figure 5, the second mobile platform 22 and the first sliding part 20 that are connected with the second sliding part 21 are oppositely arranged.In addition, projecting cell 24 is arranged on the second mobile platform 22, and catoptron 26 is articulated in the second mobile platform 22 by a rotating axle spare 40.In this embodiment, projecting cell 24 can be general projector.
Please refer to Fig. 6 to Fig. 8, Fig. 6 is the side view after the first mobile platform 14 among Fig. 2 moves towards the direction away from base 10, Fig. 7 is the internal view of the driving member 16 among Fig. 6, and Fig. 8 is that the first mobile platform 14 among Fig. 2 drives the side view that the second mobile platform 22 moves to a projected position.When driver element 32 comes into operation, rotate thereby drive the first gear 340, and when driving the second gear 342 and rotating towards clockwise direction, the first mobile platform 14 can be driven towards the direction away from base 10 and move.At this moment, the first mobile platform 14 can drive driving members 16 and move up, and driving member 16 rotates relative to the first mobile platform 14 as the axle center take axle spare 36, such as Fig. 2 and shown in Figure 6.Simultaneously, the first sliding part 20 rotates relative to the first side wall 12 as the axle center take axle spare 38.Because an end of the first sliding part 20 is articulated in the first side wall 12, and an end of the second sliding part 21 of the other end of the first sliding part 20 and the second mobile platform 22 is individually fixed on the driving belt 18, driving belt 18 will rotate relative to driving member 16, move relative to driving member 16 thereby drive the second mobile platform 22 that connects with the second sliding part 21, such as Fig. 5 and shown in Figure 7.At last, the second mobile platform 22 will be driven and relatively driving member 16 move to a projected position, as shown in Figure 8.At this moment, 26 collocation of projecting cell 24 and catoptron are used, and the light 42 that catoptron 26 just can project projecting cell 24 reflexes on the plane 44 that base 10 places, thus on plane 44 formation projected picture 46.In practical application, according to principle of reflection, can by projecting cell 24 and the height of catoptron 26 and the matching design of angle, adjust the size of required projected picture 46.
On the other hand, after projection arrangement 1 is finished using, can make driver element 32 drive the first gear 340 and rotate, and drive the second gear 342 towards counterclockwise direction rotation, thereby the first mobile platform 14 is moved towards the direction near base 10.At this moment, the first mobile platform 14 can drive driving member 16 and move down, and driving member 16 rotates relative to the first mobile platform 14 as the axle center take axle spare 36.Simultaneously, the first sliding part 20 rotates relative to the first side wall 12 as the axle center take axle spare 38, and driving belt 18 rotates relative to driving member 16, moves relative to driving member 16 thereby drive with the second mobile platform 22 of the second sliding part 21 connections.At last, the second mobile platform 22 will be driven and relatively driving member 16 move to stowed position shown in Figure 2 from projected position shown in Figure 8.It should be noted that, if catoptron 26 touches driving member 16 in the process that folds, then catoptron 26 can rotate relative to the second mobile platform 22 as the axle center take axle spare 40, as shown in Figure 2.Therefore, can avoid catoptron 26 in the process that folds, to damage because touching driving member 16.When the second mobile platform 22 is driven and when relatively driving member 16 moved to projected position shown in Figure 8 from stowed position shown in Figure 2, catoptron 26 will hang down into the location automatically because of Action of Gravity Field.
According to technique scheme, projection arrangement of the present invention has following advantages and beneficial effect at least: according to above-mentioned mechanism design, when the first mobile platform when base moves, projecting cell also can be along with the second mobile platform be driven, thereby reaches the function of lifting.In addition, the light that projection arrangement of the present invention can utilize mirror reflects to project from projecting cell, thus change projection luminous beam path, so that the range of application of projection arrangement of the present invention is more extensive.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.