TWI375854B - Projector device - Google Patents

Description

1.375854 101.07.26. Revision of the replacement page VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a projection apparatus. [Prior Art] [0002] The projector is widely used in movie playback, photo playback, and presentation data playback. In particular, the projector can enlarge the display image to a large-size display that cannot be achieved by an existing television or display. On the screen, the projector is suitable for applications with a wide space and a large number of people.

[0003] The previous projector structure is a component of a projection light source by using a large high-voltage halogen bulb or a high-pressure gas discharge bulb, and must cooperate with a large high-voltage lamp circuit and a heat dissipation system, thereby complicating the internal component structure of the projector. It consumes electricity and is relatively bulky and bulky. In addition to being inconvenient to carry around, it is also not easy to install and use at any time, and it becomes a fixed device in the room.

[0004] In the prior handheld projection device, the entire structure is fixedly connected; when it is necessary to change the projection direction, the user has to change the hand-held orientation, but the slight jitter of the user may cause the projection picture to be unstable and affect the projection effect. SUMMARY OF THE INVENTION [0005] In view of the above, it is necessary to provide a projection device that can change the projection direction. [0006] A projection device includes a first body, a second body, a rotating shaft, a light machine, and a a printed circuit board and a flexible circuit board; the first body and the second body are movably connected by the rotating shaft, the optical machine capacity is 9731410^^^^ A0101, page 3 / total 28 pages 1013285693-0 1375854 1Ό1 On July 26th, the shuttle replacement page is placed in the first body, and the printed circuit board is received in the second body, and the optical machine and the printed circuit board are electrically connected through the flexible circuit board. [0007] Compared with the prior art, the present invention can be changed by adjusting a relative angle between the first body and the second body by providing a rotating shaft between the first body and the second body. The projection direction of the projection device. [Embodiment] The present invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , a projection apparatus 100 according to an embodiment of the present invention includes a first body 10 , a second body 20 , a rotating shaft 30 , a light machine 40 , a printed circuit board 50 , and a flexible circuit . Board 60. The first body 10 and the second body 20 are movably connected by a rotating shaft 30. The optical machine 40 is received in the first body 10. The printed circuit board 50 is received in the second body 20. 40 is electrically connected to the printed circuit board 50 through the flexible circuit board 60. [0010] As shown in FIG. 2 and FIG. 3, the first body 10 includes a first upper cover 11 and a first lower cover 12. The first upper cover 11 and the first lower cover 12 form an accommodation space 13 . The accommodating space 13 houses the optomechanical unit 40 therein. The first upper cover 11 includes a first bottom plate 111, two first side walls 11 2 formed on two sides of the first bottom plate 111, and a first rear cover 113 fixed to the ends of the two first side walls 112. A plurality of first connecting posts 114 are disposed on the first bottom plate 111 adjacent to the first sidewall 112, and the first connecting post 114 is configured to be fixedly connected to the first lower cover 12; A first lens receiving area 115 is disposed on the first bottom plate 111 of the upper cover 11. The first lens receiving area 115 is on the first bottom plate 111 away from the first fl971431Q# single number A0101. </ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> </ RTI> <RTIgt; Two fixing blocks 1151 are fixed in the first lens receiving area 115 for fixing the optical machine 40. The first lower cover 12 includes a first carrier 121 and is formed on the first lens cover 115. Two first lower side covers 122 and a first lower front cover 123 and a first lower rear cover 124 respectively fixed to the two ends of the two first lower side covers 122 are respectively disposed on the two sides of the first carrying plate 121. The second connecting post 126 is disposed on the first carrying plate 121 adjacent to the first lower side cover 122 to the second lower connecting post 126 ′ for fixing the optical machine 40 to the first lower cover 12 . Inside. A light is provided on the first lower front cover 123 by a lens hole 1231. The light of the light machine 40 is projected from the lens hole 1231. A first connecting hole 125 corresponding to the first connecting post 114 on the first upper cover is disposed on the first carrying plate 121. The first upper cover 11 and the first lower cover 12 are fixedly connected to the first connecting hole 125 through the oppositely disposed first connecting posts H4. One of the first side wall 112 of the first upper cover and one of the first lower side covers 122 of the first lower cover 12 are provided with corresponding openings 1121, 1221, two openings 1121, 1221. A focusing hole 14 is synthesized. A focusing rod 15 is disposed in the focusing hole 14 for focusing on the optical unit 4 容 disposed in the first body 1〇 [0012] as shown in FIG. 4 and FIG. The second body 2 includes a second upper cover 21, a first lower cover 22, and a battery cover 23. The second upper cover 21 and the battery cover 23 are respectively disposed on opposite sides of the second lower cover 22. The second upper cover includes a second bottom plate 211, two second side walls 212 formed on two sides of the second bottom plate 211, and a second rear cover 213 fixed to one ends of the two second side walls 212. The second side wall 212 of one end of the second bottom plate 21 is provided to the 09714310$ single number A0101 page 5 / 28 pages 1013285693-0 1 07 1 July 26th, the replacement page is less - the card slot 2121, in the said A plurality of third connecting posts 211 are disposed on the other end of the second bottom plate 211 adjacent to the second sidewall 212. The card slot 21 21 and the third connecting post 2111 are used for the second lower cover 22 The connection is fixed. At least one connecting hole 214 is disposed on the second sidewall 212, and the connecting hole 214 is used for electrically connecting the flexible circuit board 60 to an external device. [0013]

The second lower cover 22 includes a second carrier 221, two second lower covers 222 formed on opposite sides of the second carrier 221, and two second lower covers 222 respectively fixed to the second cover 222. The second lower front cover 223 and the second lower rear cover 224. A battery slot 225 is formed on the second carrier 221 along one side of the second lower cover 222, and at least one of the second lower cover 222 is disposed on the second lower cover 222. 2121 corresponds to the hook 222, and the second carrying plate 221 is provided with a plurality of second connecting holes 2211 corresponding to the third connecting post 2111 on the second upper cover 21. The second upper cover 21 and the second lower cover 22 are connected and fixed to the second connecting hole 2211 through the corresponding slot 2121 and the hook 2221 and the third connecting post 2111. At least one fixing post 2212 is disposed on a side of the second carrying plate 221 facing the second lower side cover 222, and the printed circuit board 50 is provided with a fixing post 2212 on the second carrying board 221 The printed circuit board 50 is fixed to the second carrier 221 via the corresponding fixing post 2212 and the fixing hole 51. A protrusion 226, a slit 227 and a battery card slot 228 are disposed on an edge of the second carrier plate 221 away from the side where the second lower side cover 222 is located, and the boss 226 is adjacent to the slit 227 The second lower front cover 223 is disposed, and the battery card slot 228 is disposed adjacent to the second lower rear cover 224. The boss 226 and the battery card slot 228 are numbered by 43H#. Page 6/28 pages 1013285693-0 1375854 [0014]

• On October 26, 2007, the replacement page is engaged with the battery cover 23 to fix the battery cover 23 to the second lower cover 22 more stably. The slit 227 is for facilitating the user to take out the battery 70 for supplying power to the projection device 100 from the battery slot 225. The battery cover 23 includes two opposite side edges 231 connecting the first top edge 232 of the two side edges 231, the first bottom edge 233 opposite the first top edge 232 and the inner surface facing the battery slot 225. 234. A plurality of fixing hooks 235 are respectively disposed on the two side edges 231 and the first top side 232 of the inner surface 234, and a groove 236 is disposed on the inner surface 234 adjacent to the first bottom edge 233. The fixing hooks 235 and the recesses 236 are respectively engaged with the battery card slots 228 and the bosses 226 of the second carrier plate 221, so that the battery cover 23 is tightly engaged with the second lower cover 22.

[0015] As shown in FIG. 3, the optical unit 40 includes a lens 41 and an optical engine 42. The optical engine 42 includes a light entering portion 421 and a light exiting portion 422. The lens 41 and the light entering the light The portions 421 are perpendicular to the two ends of the light exiting portion 422 in the same direction, and a focusing bump 423 is disposed on the lens 41 for focusing the lens 41. The optical machine 40 is provided with a plurality of third connecting holes 424 corresponding to the second connecting posts 126 of the first lower cover 12 for fixing the optical machine 40 in the first lower cover 21. [0016] As shown in FIG. 6 to FIG. 9, the rotating shaft 30 includes two first sleeve shafts 31 fixed on the first body 10 and a second fixed body on the second body 20. Two sets of shafts 32. The rotating shaft 30 further includes a limiting tooth 33, a spring 34 and a positioning tooth 35. The two first sleeve shafts 31 are fixed on the first carrier plate 121 of the first body 10 near one end of the first lower back cover 124; the second sleeve shaft 32 is fixed on the second body 20 The second carrier plate 221 is adjacent to one end of the second lower back cover 224. At the one end of the second set of shafts 32, 0974143(), the single number AG1 (U 7th page, 28th page, 1013285693-0 1375854, 1st, July 26th, the nuclear replacement page is provided with a protrusion 321 . The first set of shafts 31 respectively include a corresponding first shaft hole 311. The second sleeve shaft 32 includes a second shaft hole 322 extending through the second sleeve shaft 32 in the axial direction, and on the second shaft. The other end of the hole 322 opposite to the protruding portion 321 is a third shaft hole 325.

The aperture of the third shaft hole 325 is larger than the aperture of the second shaft hole 322, and a protrusion 323 is further disposed in the third shaft hole 325. The limiting teeth 33 are annular bodies, and one end of the limiting teeth 33 is provided with a limiting tooth body 331 having an equal spacing, and a guiding groove 33'2 is formed on a side of the limiting tooth 33. The spring 34 is located in the third shaft hole 325 in the second sleeve shaft 32, and one end of the spring 34 abuts on the step formed by the second shaft hole 322 and the third shaft hole 325. The limiting tooth 33 is movable in the third shaft hole 325, and the limiting tooth 331 of the limiting tooth 33 faces away from the spring 34. The guiding groove 332 is engaged with the &amp; 323 in the third shaft hole 325. The positioning teeth 35 are annular bodies, and the positioning teeth 35 are disposed at one end of the positioning teeth 35, and the positioning teeth 35 are fixed in the first sleeve shaft 31 adjacent to the third shaft hole 325. The first shaft hole 311 is inside, and the positioning tooth body 351 faces the limiting tooth 33. During the assembly process of the first sleeve shaft 31 and the second sleeve shaft 32, the spring 34 and the limiting teeth 33 are sequentially assembled into the third shaft hole 325, and the guiding teeth 33 are guided. The groove 332 is engaged with the protrusion 323 in the second set of shafts 32, and the positioning teeth 35 are assembled into the first shaft hole 311 of the first set of shafts 31 adjacent to the limiting teeth 33. Then, the second set of shafts 32 are sleeved between the two first sleeve shafts 31, so that the limiting teeth 33 are engaged with the positioning teeth 35 in the first sleeve shaft 31, so that the projections of the second sleeve shaft 32 are The 321 sets are disposed in the other first set of shafts 31. [0017] When the user rotates the first body 10, the positioning tooth of the positioning tooth 35 is 351 0971431, single number A0101, page 8 / total 28 pages 1013285693-0 1.375854 101. July 26 correction replacement page

The limiting tooth body 331 of the pressing limit tooth 33 is engaged with the protrusion 323 of the second sleeve shaft 32 because the guiding groove 332 of the limiting tooth 33 is engaged with the protrusion 323 of the second sleeve shaft 32, so that the limiting tooth 33 does not oppose the second sleeve shaft. Rotation occurs 32, but the limit teeth 33 are movable in the axial direction of the second set of shafts 32. When the pressure exerted by the user on the limiting tooth 33 by the positioning tooth 35 is greater than the elastic force of the spring 34 against the limiting tooth 33, the limiting tooth 33 is moved in the direction of the spring 34, the spring 34 is compressed, the limiting tooth 33 and the positioning tooth 35 phase separation, and the limiting tooth body 331 abuts against the tooth tip of the positioning tooth body 351; when the user continues to rotate, when the tooth end of the limiting tooth body 331 and the positioning tooth body 351 are to be separated, the positioning tooth 35 is limited. The force of the tooth 33 disappears. Under the action of the restoring force of the spring 34, the limiting tooth 33 moves toward the positioning tooth 35, and the positioning tooth 351 of the positioning tooth 35 and the limiting tooth of the limiting tooth 33 The 331 is re-engaged to limit the movement of the positioning teeth 35 to maintain the first body 10 at the desired angle of the user. The limiting teeth 33 and the positioning teeth 35 are engaged from the engagement to the separation to the engagement, and the rotation of the positioning teeth 35 with respect to the tooth thickness of the limiting teeth 33 is realized. In the present embodiment, the force acting on the positioning tooth 35 by the self-weight of the first body 10 cannot separate the limiting tooth 33 from the protrusion 323 in the second sleeve shaft 32, and no external force is applied. The angle between the first body 10 and the second body 20 is constant. During use, the user can also apply a force to the second body 20 to effect rotation of the limiting teeth 33 relative to the positioning teeth 35. Through the interaction between the limiting teeth 33, the spring 34, the positioning teeth 35 and the protrusions 323 in the rotating shaft 30, the user can not only easily change the angle between the first body 10 and the second body 20, but also The first body 10 and the second body 20 can be held at a fixed angle. [0018] As shown in FIG. 1, FIG. 10 and FIG. 11, the first set of shafts 31 and the first lower 09714310# single number A0101 page 9 / total 28 pages 1013285693-0

A second electrical connection hole 312 is defined between the second cover 32 and the second lower cover 22, and a second electrical connection hole 324 is defined between the second cover 32 and the second lower cover 22. . The flexible circuit board 60 passes through the second electrical connection hole 324 through the through hole of the second sleeve shaft 32 to reach the first sleeve shaft 31, and then passes through the first electrical connection hole 312 to reach the first lower cover 12. . The flexible circuit board 6 is electrically connected to the printed circuit board 50 fixed to the second lower cover 22, and the other end is electrically connected to the optical unit 40 housed in the first lower cover 12. By arranging the flexible circuit board 60 in the first sleeve shaft 31 and the second sleeve shaft 32, the first

The convenience of the angle adjustment between the body 10 and the second body 20 can also effectively prevent the first body 10 and the second body 2 from being poorly conductive due to long-term bending. 10019] In the assembly process, the printed circuit board 50 is first fixed on the second lower cover 22 and away from the side of the battery slot 225, and then the flexible circuit board 6 is sleeved in the second rotating shaft 32, and the flexible One end of the circuit board 60 is bent out from the second electrical connection hole 324 to be connected to the printed circuit board 5A. Then, the second upper cover 21 is fixed to the second lower cover 22 along one side of the printed circuit board 50, so that the battery cover 23 is engaged with the second lower cover 22 along one side of the battery slot 225. The first set of shafts 31 fixed to the first lower cover 12 are sleeved on the two ends of the second set of shafts 32 to form the rotating shaft 30, and the other end of the flexible circuit board 60 is pierced from the first electrical connecting hole 312. Then, the optical unit 4 is fixed in the first lower cover 12, and the optical unit 40 is electrically connected to the first electrical connection hole 312, and then the first upper cover 11 is placed along one side of the optical unit 40. It is provided on the first lower cover 12. [0020] The present invention can change the projection direction of the projection device by adjusting a relative angle between the first body and the second body by providing a rotation axis between the first body and the second body. 09714310#单号 A0101 Page 10 of 28 1013285693-0 1375854 Revised replacement page of July 26, 2011 [0021] In summary, the present invention complies with the patent requirements of the invention, and patents are filed according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0022] FIG. 1 is an exploded perspective view of a projection apparatus according to an embodiment of the present invention. 2 is an exploded perspective view of the first body of the projection device of FIG. 1.

3 is another exploded perspective view of the first body of the projection device of FIG. 1. [0025] FIG. 4 is an exploded perspective view of the second body of the projection device of FIG. 5 is another exploded perspective view of the second body of the projection device of FIG. 1. [0027] FIG. 6 is an exploded perspective view of the rotating shaft of the projection device of FIG. 7 is an exploded perspective view of the second set of shafts of the projection device of FIG. 1.

8 is a cross-sectional view showing the rotating shaft of the projection apparatus of FIG. 1 in a fixed state. 9 is a cross-sectional view showing the rotating shaft of the projection apparatus of FIG. 1 in a rotated state. 10 is a schematic diagram of electrical connection between a first body and a second body of the projection device of FIG. 1. 11 is a schematic view showing the combination of the projection device of FIG. 1. [Main component symbol description] [0033] Projection device: 100 09714310^^ A0101 Page 11/28 page 1013285693-0 1375854 [0034] First body: 10 [0035] First upper cover: 11 [0036] First under Cover: 12 [0037] accommodating space: 1 3 [0038] First bottom plate: 111 [0039] First side wall: 112 [0040] First back cover: 113 [0041] First connecting post: 114 [0042] Lens Accommodating area: 115 [0043] Fixed card block: 1151 [0044] First carrier plate: 121 [0045] First lower side cover: 122 [0046] First lower front cover: 123 [0047] First lower back cover :124 [0048] First connection hole: 125 [0049] Second connection post: 126 [0050] Lens hole: 1231 [0051] Opening: 1121 ' 1221 [0052] Focusing hole: 14 09714310, single number A〇 101 Page 12 of 28 Ό1年07月26 Nuclear replacement page

1013285693-0 1375854 101.07.26 Modified replacement page [0053] Focusing lever: 1 5 [0054] Second body: 20 [0055] Second upper cover: 21 [0056] Second lower cover: 22 [0057 Battery cover: 23 [0058] Second bottom plate: 211 [0059] Second side wall: 212 Lu [0060] Second back cover: 213 [0061] Card slot: 2121 [0062] Third connecting post: 2111 [0063] Connection hole: 214 [0064] Second carrier plate: 221 [0065] A Second lower side cover: 222 V [0066] Second lower front cover: 223 [0067] Second lower back cover: 224 [0068] Battery Slot: 225 [0069] Second connection hole: 2211 [0070] Clamp: 2221 [0071] Fixed column: 2212 0 means 1# single number A0101 Page 13 / 28 pages 1013285693-0 I375854 1Ό1月07月26日Shuttle replacement page [0072] Fixing hole: 51 [0073] Boss: 22 6 [0074] Cutting: 2 2 7 [0075] Battery card slot: 228 [0076] Side: 231 .

[0077] First top edge: 232 [0078] First bottom edge: 233

[0079] Inner surface: 234 [0080] Fixed hook: 235 [0081] Groove: 236 [0082] Light machine: 40 [0083] Lens: 41 [0084] Optical engine: 42 [0085] Light entering department: 421 [0086] Light exiting portion: 422 [0087] Focusing bump: 423 [0088] Third connecting hole: 424 [0089] Spinning shaft: 30 [0090] First set of axes: 31 09714310^^^^ A〇101 14th Page / Total 28 pages 1013285693-0 1375854 [0091] Second set of axes: 32 [0092] Limit teeth: 33 [0093] Spring: 34 [0094] Positioning teeth: 35 [0095] Projections: 321 [0096] First shaft hole: 311 [0097] Second shaft: 322 [0098] Projection: 3 2 3 [0099] Third shaft hole: 325 [0100] Limit tooth: 331 [0101] Guide groove: 332 [ 0102] Positioning tooth · 351 [0103] Flexible circuit board: 60 [0104] Battery: 70 09714310^^^ A〇101 Page 15 / Total 28 pages 101 July 26 Press positive replacement page 1013285693-0

Claims (1)

U25&amp;5A^ _ Revised replacement on July 26, 1101. VII. Patent application scope: A projection device that includes a first body, a second body, a rotating shaft, a light machine, and a printed circuit board. And a flexible circuit board; the improvement is that: the rotating shaft is connected between the first body and the second body, and the first body and the second body are movably connected through the rotating shaft, The light machine is disposed in the first body, and the printed circuit board is received in the second body. The optical machine and the printed circuit board are electrically connected through the flexible circuit board. The projection device of claim 1, wherein the first body includes a first upper cover and a first lower cover, and the first upper cover and the first lower cover form an accommodation space. The accommodation space houses the optical machine therein. 3. The projection device of claim 2, wherein: the first upper cover comprises a first bottom plate, two first side walls formed on two sides of the first bottom plate, and one fixed to the two first a first rear cover at one end of the side wall; a plurality of first connecting posts are disposed on the first bottom plate adjacent to the first side wall for connecting and fixing with the first lower cover; and the first bottom plate is further A first lens accommodating area is disposed, and the first lens accommodating area is an arched groove covering the upper surface of the optical machine. 4. The projection device of claim 3, wherein: the first lower cover comprises a first carrier plate, two first lower side covers formed on both sides of the first carrier plate, and are respectively fixed on a first lower front cover and a first lower rear cover at two ends of the two first lower side covers; a lens hole is disposed on the first lower front cover for projecting light of the optical machine; The first carrying plate is provided with a plurality of first connecting holes corresponding to the first connecting post, the first upper cover 09714310# single number A〇l〇l page 16 / total 28 pages 1013285693-0 1375854 On July 26, 101, the nuclear replacement page and the first lower cover are connected and fixed to the first connecting hole through the oppositely disposed first connecting posts. The projection device of claim 1, wherein the second body comprises a second upper cover, a second lower cover and a battery cover; the second upper cover and the battery cover are respectively respectively Set on both sides of the second lower cover. 6. The projection device of claim 5, wherein: the second upper cover comprises a second bottom plate, two second side walls formed on two sides of the second bottom plate, and one fixed to the second a second rear cover at one end of the side wall, at least one card slot is respectively disposed on the two second side walls, and a plurality of third connecting posts are disposed on the second bottom plate adjacent to the second side wall, the card The slot and the third connecting post are used for fixing and connecting with the second lower cover. The projection device of claim 6, wherein the second lower cover comprises a second carrier plate, two second lower side covers formed on two sides of the second carrier plate, and are respectively fixed a second lower front cover and a second lower rear cover at the two ends of the two second lower side covers, and a battery slot is formed on the second carrying plate along one side of the second lower side cover, The second lower side cover is provided with at least one hook corresponding to the card slot on the second upper cover, and the second carrier plate is provided with a plurality of third connecting columns corresponding to the second upper cover. The second upper cover and the second lower cover are fixedly connected to the hook and the third connecting post and the second connecting hole through the corresponding card slot. 8. The projection device of claim 7, wherein: at least one fixed cymbal is disposed on a side of the second carrier plate facing the second lower side cover, and the printed circuit board is provided with The fixing post on the second carrier plate corresponds to the fixing hole. 9. The projection device of claim 8, wherein: the edge of the battery slot on the side of the second carrier that faces away from the side of the second lower side cover is 1013285693-0 0971010# single number A〇 1〇l Page 17 of 28 1375854 ίο . 11 . 12 . 09714310 Early date number 1Ό1 year. July 26th, according to the replacement page, there is a boss, a mouth and a battery card slot, and the boss And the slit is disposed adjacent to the second lower front cover, the battery card slot is disposed adjacent to the second lower back cover, and the battery cover is provided with a fixing hook and a groove, the boss and the battery card The slots cooperate with the recesses and the fixing hooks to closely engage the battery cover and the upper cover; the cutouts are for facilitating the user to remove the battery from the battery slot. The projection device of claim 1, wherein: the rotating shaft comprises two first sleeve shafts fixed on the first body and a second fixed on the second body The shaft is sleeved, and two ends of the second sleeve are rotatably sleeved between the two first sleeve shafts. The projection device of claim 10, wherein: the first set of shafts and the first body are provided with a first electrical connecting hole, the second set of shafts and the second body A second electrical connection hole is defined therebetween; one end of the flexible circuit board is connected to the printed circuit board through the second electrical connection hole, and the other end is connected to the optical machine through the first electrical connection hole. The projection device of claim 10, wherein: the rotating shaft further comprises a limiting tooth, a spring and a positioning tooth; one end of the second sleeve is provided with a protruding portion, and the other end is provided. a protrusion is disposed on the limiting tooth; the limiting tooth and the spring are disposed at one end of the protrusion in the second sleeve, and the guiding groove of the limiting tooth is opposite to the protrusion The positioning teeth are fixed in the first sleeve shaft; the limiting teeth are engaged with the positioning teeth, and the protruding portions of the second sleeve shaft are sleeved in the other first sleeve shaft. A0101 Page 18 of 28 1013285693-0