CN211478848U - Stable-imaging ultra-short-focus projector - Google Patents
Stable-imaging ultra-short-focus projector Download PDFInfo
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- CN211478848U CN211478848U CN202020457525.9U CN202020457525U CN211478848U CN 211478848 U CN211478848 U CN 211478848U CN 202020457525 U CN202020457525 U CN 202020457525U CN 211478848 U CN211478848 U CN 211478848U
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- guide plate
- light guide
- light
- connecting portion
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Abstract
The utility model discloses a stabilize ultrashort burnt projector of formation of image, be in including drain pan, engine body shell and setting the inside outrigger of engine body shell, engine body shell is last to be deviated from and to include the light-emitting window on the side of drain pan, engine body shell is last to correspond the light-emitting window and to include the light guide plate, the light guide plate passes through outrigger and connects on the drain pan, just outrigger is close to in the setting of light-emitting window. The utility model discloses an increase the outrigger in engine body shell, just the outrigger is close to in the setting of light-emitting port, and the light guide plate passes through outrigger and connects on the drain pan, can prevent effectively that the opening edge of light guide plate is because ageing deformation and warpage, and reduces the deflection of light guide plate, avoids light-emitting light to be sheltered from.
Description
Technical Field
The utility model belongs to the projector field, in particular to stabilize ultrashort burnt projector of formation of image.
Background
Present ultrashort burnt projector, its optical component structural design is compact, the light-emitting angle of ultrashort burnt camera lens is very big, as shown in figure 1, an existing ultrashort burnt projector, including drain pan 1 and engine body shell 2, the last light-emitting window that includes that deviates from on the side of drain pan on the engine body shell, it includes light guide plate 5 with engine body shell integrated into one piece to correspond the light-emitting window on the engine body shell, the inclination of light guide plate 5 is the light-emitting angle of ultrashort burnt camera lens promptly, current product always has structural component because of the deformation of moulding plastics, the structural design error, optical lens uniformity scheduling problem, or the ageing deformation of the longer machine plastic casing of live time, make the light guide plate warp, produce the problem that light is sheltered from by the part.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a stabilize ultrashort burnt projector of formation of image can guarantee the stability of light guide plate, reduces the deflection of light guide plate, avoids light-emitting light to shelter from.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a stabilize ultrashort burnt projector of formation of image, is in including drain pan, engine body shell and setting the inside outrigger of engine body shell, the last side that deviates from the drain pan of engine body shell includes the light-emitting window, the last light-emitting window that corresponds of engine body shell includes the light guide plate, the light guide plate passes through outrigger and connects on the drain pan, just outrigger is close to in the setting of light-emitting window.
Further, the stabilizing support comprises a first connecting portion and a second connecting portion, the first connecting portion is detachably connected to the bottom shell, and the second connecting portion is detachably connected to the light guide plate.
Furthermore, a first fixing portion is arranged on the bottom shell, the first fixing portion and the first connecting portion are correspondingly connected, and at least one positioning piece is arranged adjacent to the first fixing portion and used for positioning the stabilizing support.
Furthermore, the first fixing portion is a fixing column including an internal thread hole, and the first connecting portion is a block-shaped structure including a fixing hole.
Furthermore, a second fixing portion is arranged on the inner side face of the light guide plate, the second fixing portion is of a fixing lug structure, the second fixing portion and the second connecting portion are arranged correspondingly, and the second connecting portion comprises a connecting hole.
Furthermore, the bottom of the first connecting portion is detachably provided with a cushion block, and the stabilizing support is adjusted to the distance between the bottom shells through the cushion block.
Furthermore, a plurality of anti-pulling pieces are further arranged on the inner side face of the light guide plate, and the anti-pulling pieces are arranged at intervals along the length direction of the light guide plate.
Furthermore, the anti-pulling piece is of a bent sheet structure, one bending arm of the anti-pulling piece is connected to one side, away from the light outlet, of the light guide plate, and the other bending arm of the anti-pulling piece faces one side of the light outlet and is arranged on the inner side surface of the light guide plate in a clearance mode; the anti-pulling-piece limiting light guide plate is bent towards the bottom shell.
Has the advantages that: the utility model discloses an increase the outrigger in engine body shell, just the outrigger is close to in the setting of light-emitting port, and the light guide plate passes through outrigger and connects on the drain pan, can prevent effectively that the opening edge of light guide plate is because ageing deformation and warpage, and reduces the deflection of light guide plate, avoids light-emitting light to be sheltered from.
Drawings
Fig. 1 is a schematic perspective view of a conventional ultra-short focus projector;
FIG. 2 is a sectional view of the internal structure of the present invention;
FIG. 3 is a schematic view of the assembly of the stabilizing bracket and the bottom case of the present invention;
fig. 4 is a front view of the internal structure of the housing of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a stabilize ultrashort burnt projector of formation of image, be in including drain pan 1, engine body shell 2 and setting the inside stabilizing support 3 of engine body shell 2, engine body shell 2 is last to be deviated from and to include light-emitting window 4 on the side of drain pan 1, it includes light guide plate 5 to correspond the light-emitting window on the engine body shell 2, light guide plate 5 is connected on drain pan 1 through stabilizing support 3, just stabilizing support 3 is close to in the setting of light-emitting window 4. Through increasing outrigger 3 in body case 2, just outrigger 3 is close to in the setting of light-emitting port 4, and light guide plate 5 is connected on the drain pan through outrigger 3, can prevent effectively that light guide plate 5's opening edge from warping because ageing deformation, and reduces the deflection of light guide plate, avoids light-emitting light to be sheltered from.
As shown in fig. 2 and 3, the stabilizing bracket 3 includes a first connecting portion 6 and a second connecting portion 7, the first connecting portion 6 is detachably connected to the bottom case 2 by a bolt, and the second connecting portion 7 is detachably connected to the light guide plate 5 by a bolt. The bottom shell 1 is provided with a first fixing portion 8, the first fixing portion 8 is a fixing column comprising an internal thread hole, and the first connecting portion 6 is a block-shaped structure comprising a fixing hole 10. The first fixing portion 8 corresponds to the first connecting portion 6 and is connected and arranged through a bolt piece, at least one positioning piece 9 is arranged adjacent to the first fixing portion 8, the positioning piece 9 is a positioning convex rib, and the positioning piece 9 is used for positioning the stabilizing support 3. The edges of the light guide plate 5 can be ensured to be parallel to the bottom shell through the plurality of positioning pieces 9, and light emitting is ensured.
Be provided with second fixed part 12 on the medial surface of light guide plate 5, second fixed part 12 is fixed ear structure, just second fixed part 12 corresponds the setting with second connecting portion 7, stabilizing support 3 is U-shaped plate form structure, stabilizing support 3's both free ends are second connecting portion 7 promptly, just second connecting portion 7 is the slope form structure, include the connecting hole on the second connecting portion 7.
As shown in fig. 3, the bottom of the first connecting portion 6 is also detachably provided with a cushion block 11, the cushion block 11 is provided with a through hole which is coaxial with the fixing hole 10 in a penetrating manner, the cushion block 11 is located between the stabilizing support 3 and the first fixing portion, the stabilizing support 3 is adjusted to the distance between the bottom shell 1 through the cushion block 11, and when the light guide plate is aged and deformed, the light emitting light can be shielded, and then the cushion block 11 can be removed to increase the drawing effect of the stabilizing support 3 on the light guide plate 5.
As shown in fig. 2 and fig. 4, a plurality of anti-pulling sheets 13 are further disposed on the inner side surface of the light guide plate 5, and the anti-pulling sheets 13 are disposed at intervals along the length direction of the light guide plate 5. The anti-pulling piece 13 is of an ┚ -bent sheet structure, one bending arm of the anti-pulling piece 13 is connected to one side of the light guide plate 5 far away from the light outlet 4, and the other bending arm of the anti-pulling piece 13 faces one side of the light outlet 5 and is arranged on the inner side surface of the light guide plate 5 at a gap; the anti-pulling piece 13 limits the bending amplitude of the light guide plate 5 towards the bottom case 1. While also increasing the strength of the light guide plate 5 by the anti-pull tab 13.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (8)
1. An ultra-short-focus projector with stable imaging is characterized in that: including drain pan (1), engine body shell (2) and setting be in inside outrigger (3) of engine body shell (2), deviate from on engine body shell (2) and include light-emitting window (4) on the side of drain pan (1), it includes light guide plate (5) to correspond the light-emitting window on engine body shell (2), light guide plate (5) are connected on drain pan (1) through outrigger (3), just outrigger (3) are close to and are set up in light-emitting window (4).
2. The ultra-short-focus projector with stable imaging of claim 1, wherein: the stabilizing support (3) comprises a first connecting portion (6) and a second connecting portion (7), the first connecting portion (6) is detachably connected to the bottom shell (1), and the second connecting portion (7) is detachably connected to the light guide plate (5).
3. The ultra-short-focus projector with stable imaging of claim 2, wherein: the improved structure is characterized in that a first fixing part (8) is arranged on the bottom shell (1), the first fixing part (8) is correspondingly connected with the first connecting part (6), at least one positioning part (9) is arranged adjacent to the first fixing part (8), and the positioning part (9) positions the stabilizing support (3).
4. The ultra-short-focus projector with stable imaging of claim 3, wherein: the first fixing portion (8) is a fixing column comprising an internal thread hole, and the first connecting portion (6) is of a block structure comprising a fixing hole.
5. The ultra-short-focus projector with stable imaging of claim 3, wherein: the light guide plate is characterized in that a second fixing portion (12) is arranged on the inner side face of the light guide plate (5), the second fixing portion (12) is of a fixing lug structure, the second fixing portion (12) and the second connecting portion (7) are arranged correspondingly, and the second connecting portion (7) is provided with a connecting hole.
6. The ultra-short-focus projector with stable imaging of claim 2, wherein: the bottom of the first connecting portion (6) is also detachably provided with a cushion block (11), and the stabilizing support (3) is adjusted to the distance between the bottom shells (1) through the cushion block (11).
7. The ultra-short-focus projector with stable imaging of claim 1, wherein: the light guide plate is characterized in that a plurality of anti-pulling pieces (13) are further arranged on the inner side face of the light guide plate (5), and the anti-pulling pieces (13) are arranged at intervals along the length direction of the light guide plate (5).
8. An ultra-short-focus projector with stable imaging according to claim 7, wherein: the anti-pulling piece (13) is of a bent sheet structure, one bending arm of the anti-pulling piece (13) is connected to one side, far away from the light outlet (4), of the light guide plate (5), and the other bending arm of the anti-pulling piece (13) faces one side of the light outlet (4) and is arranged on the inner side face of the light guide plate (5) in a clearance mode; the anti-pulling piece (13) limits the bending amplitude of the light guide plate (5) to the bottom shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020457525.9U CN211478848U (en) | 2020-04-01 | 2020-04-01 | Stable-imaging ultra-short-focus projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020457525.9U CN211478848U (en) | 2020-04-01 | 2020-04-01 | Stable-imaging ultra-short-focus projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211478848U true CN211478848U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020457525.9U Active CN211478848U (en) | 2020-04-01 | 2020-04-01 | Stable-imaging ultra-short-focus projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211478848U (en) |
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2020
- 2020-04-01 CN CN202020457525.9U patent/CN211478848U/en active Active
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