CN218601667U - Miniature projector - Google Patents
Miniature projector Download PDFInfo
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- CN218601667U CN218601667U CN202223079876.9U CN202223079876U CN218601667U CN 218601667 U CN218601667 U CN 218601667U CN 202223079876 U CN202223079876 U CN 202223079876U CN 218601667 U CN218601667 U CN 218601667U
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Abstract
The utility model discloses a miniature projecting apparatus relates to projecting apparatus technical field. The utility model discloses a casing, focusing ring and camera lens still include: a rotating frame rotatably mounted on the housing; the first end of the mounting frame is hinged with the rotating frame; and the focusing assembly is arranged on the mounting frame and is used for driving the lens to move on the mounting frame. The utility model discloses a setting up of installing frame makes focusing ring and camera lens can wholly remove, make the installing frame can carry out multi-directional motion under the effect of fine setting again, thereby take focusing ring and camera lens to carry out multi-directional regulation together, compare with current this kind of miniature projecting apparatus, the light beam emission direction of whole projecting apparatus can carry out multi-directional adjustment, thereby after the projecting apparatus has been fixed mounting, during the skew of the projection picture that appears in the later stage, can directly carry out the regulation of picture position through projecting apparatus self.
Description
Technical Field
The utility model relates to a projecting apparatus technical field, concretely relates to miniature projecting apparatus.
Background
The miniature projector is a relatively common projection device, and has a fixed type and a movable type, wherein the fixed type is generally installed in a room, because the appearance is miniature, the miniature projector is generally installed indoors by adopting a ceiling type, for example, the miniature projector used in a classroom or a meeting room is installed at the top of the room, but when the miniature projector is used, the miniature projector can only adjust the focal length and cannot finely adjust the light beam emission direction, when the miniature projector is projected on a projection screen, when a projection picture is not in the middle position of the projection screen, the miniature projector can only adjust by moving the miniature projector, especially, the fixed type projector is difficult to solve when the problem reappears, when the fixed type projector is arranged at the top of the room, because the hoisting device is under long-time bearing, the connection between components is loose, which is a normal condition, but the miniature projector has obvious influence on the miniature projector arranged on the miniature projector, the position of the projection picture is deviated to deviate from the middle position of the projection screen, and in order to better solve the problem, the miniature projector needs to improve the miniature projector.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems in the background art, the utility model provides a miniature projector.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a miniature projecting apparatus, includes casing, focusing ring and camera lens, still includes:
a rotating frame rotatably mounted on the housing;
the first end of the mounting frame is hinged with the rotating frame, the rotating axis of the rotating frame on the shell is perpendicular to the rotating axis of the mounting frame on the rotating frame, the focusing ring is fixedly arranged on the mounting frame, and the lens is arranged on the mounting frame in a sliding manner;
the focusing assembly is arranged on the mounting frame and used for driving the lens to move on the mounting frame;
the fine adjustment piece is arranged on the shell and used for limiting the position of the second end of the mounting frame, and the first end and the second end of the mounting frame are two opposite ends.
Further, the focusing assembly includes:
the first screw rod is rotatably arranged on the mounting frame;
the fixed block is fixedly arranged on the lens and is in threaded engagement with the first screw rod;
and the first power component is arranged on the mounting frame and used for providing rotary power for the first screw rod.
Furthermore, the number of the first screw rods and the number of the fixing blocks are two, the first screw rods and the fixing blocks are symmetrically distributed on two sides of the lens, and the two first screw rods are in linkage fit.
Further, a gear assembly is connected between the two first screw rods.
Further, the fixed block comprises a first block body and a second block body which are fixedly connected with each other, the first block body is fixedly connected with the lens, the second block body is in threaded engagement with the first screw rod, the first block body has a soft characteristic, and the second block body has a hard characteristic.
Further, the trim includes:
the movable block is movably arranged on the shell, and an inserting block which is universally hinged with the second end of the mounting frame is inserted into one side of the movable block in a sliding manner;
and the shifting mechanism is arranged on the shell and is used for controlling the moving block to carry out multidirectional displacement on the same plane.
Further, the displacement mechanism includes:
the moving block is slidably mounted on the moving frame, and the sliding direction of the moving block on the moving frame is perpendicular to the sliding square of the moving frame on the shell;
the third screw rod is rotatably arranged on the moving frame, the axis direction of the third screw rod is parallel to the sliding direction of the moving block on the moving frame, and the third screw rod is meshed with the moving block in a threaded manner;
and the second power part is arranged on the shell, and the third power part is arranged on the movable frame and is respectively used for providing rotary power for the second screw rod and the third screw rod.
Furthermore, the insertion block is connected with the mounting frame through a ball.
The beneficial effects of the utility model reside in that: the utility model discloses a setting up of installing frame makes focusing ring and camera lens can wholly remove, make the installing frame can carry out multi-directional motion under the effect of fine setting again, thereby take focusing ring and camera lens to carry out multi-directional regulation together, compare with current this kind of miniature projecting apparatus, the light beam emission direction of whole projecting apparatus can carry out multi-directional adjustment, thereby after the projecting apparatus has been fixed mounting, during the skew of the projection picture that appears in the later stage, can directly carry out the regulation of picture position through projecting apparatus self.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an effect view of the present invention when the housing is partially cut;
FIG. 3 is a perspective view of the partial structure of the present invention and an effect view of the rotating frame when the rotating frame is cut;
figure 4 is a further perspective view of figure 3 according to the present invention;
FIG. 5 is a perspective view of another embodiment of the present invention and an effect view of the mounting frame partially cut;
FIG. 6 is a perspective view of another embodiment of the present invention;
fig. 7 is a split view between the partial structures of the present invention;
reference numerals: 1. a housing; 2. a focusing ring; 3. a lens; 4. a rotating frame; 5. installing a frame; 6. a focusing assembly; 7. a fine adjustment member; 8. a first lead screw; 9. a fixed block; 10. a first power component; 11. a gear assembly; 12. a first block; 13. a second block; 14. a moving block; 15. inserting a block; 16. a displacement mechanism; 17. a second screw rod; 18. a movable frame; 19. a third screw rod; 20. a second power component; 21. a third power component.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
As shown in fig. 1-4, the utility model discloses a miniature projector that embodiment provided, including casing 1, focusing ring 2 and camera lens 3, in the prior art, casing 1 includes whole shell and sets up some electronic components in inside, electronic components is connected with camera lens 3, in order to control camera lens 3 transmission projection light beam, the light beam that camera lens 3 transmitted passes focusing ring 2, thereby shine on the projection curtain, can realize the focusing through adjusting the distance between focusing ring 2 and the camera lens 3, in order to make it not only can focus, can also change projection light beam's emission direction simultaneously, the projector that provides for this design still includes following part:
a rotating frame 4 rotatably mounted on the shell 1, wherein the shell 1 is provided with a corresponding opening area, and the rotating frame 4 is positioned in the opening area;
the lens driving device comprises a mounting frame 5, a focusing ring 2, a rotating frame 4, a lens 3 and a lens holder 3, wherein the first end of the mounting frame 5 is hinged with the rotating frame 4, the mounting frame 5 is in a rectangular box structure, the focusing ring 2 is fixedly arranged on a frame shell of the mounting frame 5, and the rotating axis of the rotating frame 4 on a shell 1 is vertical to the rotating axis of the mounting frame 5 on the rotating frame 4, so that the first end of the mounting frame 5 is in universal hinged relation with the shell 1, the whole mounting frame 5 can perform universal swing relative to the shell 1, the lens 3 is slidably arranged on the mounting frame 5 in a mode that a sliding rail is arranged in the mounting frame 5, a sliding block in sliding fit with the sliding rail is fixedly arranged or constructed on the peripheral side of the lens 3, the specific position of the lens 3 is always positioned behind the focusing ring 2, and the sliding path is collinear with the axis of the lens and the axis of the focusing ring 2;
the focusing assembly 6 is arranged on the mounting frame 5 and used for driving the lens 3 to move on the mounting frame 5 so as to control the lens 3 to move away from or close to the focusing ring 2 to realize focusing, and the focusing assembly 6 is electrically controlled so as to automatically focus;
the fine adjustment piece 7 is arranged on the shell 1 and used for limiting the position of the second end of the installation frame 5, wherein the first end and the second end of the installation frame 5 are two opposite ends, namely two opposite sides of the appearance of the self frame box, the focusing ring 2 is specifically positioned at the position of the first end, the direction of the linear distance from the first end to the second end is consistent with the axial direction of the lens 3, so that the specific orientation of the first end of the installation frame 5 is the emission direction of the light beam of the lens 3, and the fine adjustment piece 7 is also electrically driven;
because the first end of the installation frame 5 can be universally hinged relative to the shell 1, and the second end can be limited in position under the action of the fine adjustment piece 7, the specific orientation of the first end of the whole installation frame 5 can be adjusted, so that the emission direction of the light beam can be adjusted, and compared with the existing micro projector, the installation frame is more practical, and after the installation frame is installed at the indoor top, if the situation that the projection picture deviates due to the deviation of the installation position of the whole instrument occurs in the later period, the emission position of the light beam can be directly adjusted through the instrument, so that the projection position of the projection light beam on the projection screen is corrected.
As shown in fig. 5 and 6, in some embodiments, the following components may be specifically employed for the focusing assembly 6:
a first screw 8 rotatably mounted on the mounting frame 5, the axis of which is parallel to the axis of the lens 3;
a fixing block 9 fixedly provided on the lens 3 and threadedly engaged with the first lead screw 8 so that the movement of the lens 3 can be controlled when the first lead screw 8 rotates;
the first power unit 10 is disposed on the mounting frame 5 and is used for providing a rotating power to the first lead screw 8, wherein the first power unit 10 specifically adopts a first micro motor, which is electrically connected with an electrical component inside the housing 1, so that when the first micro motor is powered on, the first micro motor can carry the lens 3 to move, thereby completing the focusing function.
In order to make the lens 3 more stable when being carried to move and reduce the image shaking phenomenon during focusing, as shown in fig. 6, in some embodiments, the number of the first lead screws 8 and the fixing blocks 9 is two, and one first lead screw 8 and one first fixing block 9 are a group, so that the two groups are provided and symmetrically distributed on two sides of the lens 3, so that the thread directions of the two first lead screws 8 are also symmetrical, and the two first lead screws 8 are in linkage fit, specifically in synchronous and reverse rotation fit, so that when one of the first lead screws 8 is driven by the first micro motor to rotate, the two first lead screws 8 can move synchronously, and the lens 3 is more stable when moving.
In order to achieve the above linkage and matching relationship, as shown in fig. 6, in some embodiments, a gear assembly 11, specifically two meshed synchronous cylindrical gears, is connected between the two first lead screws 8 and respectively mounted on the two first lead screws 8, so that the two first lead screws 8 can synchronously rotate in opposite directions, and the first micro motor provides a rotary power to one of the cylindrical gears through a driving gear, so as to drive the two first lead screws 8 to rotate together.
As for the stable effect of the lens 3 when moving, there can be further improvement, as shown in fig. 6 in particular, in some embodiments, the fixing block 9 specifically includes a first block 12 and a second block 13 fixedly connected to each other, the first block 12 is a soft block, and specifically can be both rubber blocks or silica gel blocks, and is fixedly connected to the lens 3, and the second block 13 is a hard block, and specifically can be both plastic blocks or metal blocks, and is in threaded engagement with the first lead screw 8, so that when the second block 13 moves, the vibration caused by the second block 13 can be consumed by the flexible feature of the first block 12, so as to reduce the influence of the vibration on the lens 3, and thus the lens 3 is more stable when moving.
As shown in fig. 2, 3, 4 and 7, in some embodiments, with regard to the design of the trim 7, the following may be particularly adopted:
a moving block 14 movably arranged on the shell 1, wherein an inserting block 15 which is universally hinged with the second end of the mounting frame 5 is inserted into one side of the moving block in a sliding manner, the inserting block 15 can perform linear displacement on the moving block 14, and the direction of the inserting block is collinear with the axis of the lens 3;
and the displacement mechanism 16 is arranged on the shell 1 and is used for controlling the moving block 14 to perform multidirectional displacement on the same plane, wherein the plane is a plane vertical to the axis of the lens 3, when the moving block 14 moves in any direction on the plane, the moving block 14 can carry the second end of the mounting frame 5 to move so as to change the spatial angle of the mounting frame 5, and because the mounting frame 5 performs a swinging motion when the moving block 14 moves, the distance between the second end of the mounting frame and the moving block 14 is changed, the inserting block 15 is configured into a sliding type design, and the displacement mechanism is driven by electric power so as to realize automatic adjustment on the angle of the mounting frame 5.
As shown in fig. 3 and 4, in some embodiments, the following components may be specifically employed for the displacement mechanism 16:
the movable frame 18 arranged on the shell 1 in a sliding way and the second lead screw 17 arranged on the shell 1 in a rotating way are arranged on the shell 1, the sliding way is also arranged on the shell 1, the movable frame 18 is in sliding fit with the sliding way, the second lead screw 17 is in threaded engagement with the movable frame 18, and the axis of the second lead screw is parallel to the sliding square of the movable frame 18, so that the movable frame 18 can be driven to move when the second lead screw rotates, the movable block 14 is arranged on the movable frame 18 in a sliding way, and the sliding direction of the movable frame 18 is perpendicular to the sliding square of the movable frame 18 on the shell 1, therefore, the movable block 14 can carry out universal movement on a plane through the design of the movable frame 18, and the plane is the plane;
a third lead screw 19 which is rotatably arranged on the moving frame 18, has an axis direction parallel to the sliding direction of the moving block 14 on the moving frame 18, and is in threaded engagement with the moving block 14, so that the third lead screw can drive the moving block 14 to move when rotating;
the second power component 20 arranged on the housing 1 and the third power component 21 arranged on the movable frame 18 are respectively used for providing rotary power for the second screw rod 17 and the third screw rod 19, and are specifically respectively a second micro motor and a third micro motor which are electrically connected with the whole housing 1, so that when the angle of the mounting frame 5 is adjusted, an automatic adjustment can be realized.
In order to make the universal hinge joint between the insert block 15 and the mounting frame 5 more stable, as shown in fig. 7, in some embodiments, the insert block 15 and the mounting frame 5 are connected by a ball, i.e. a universal ball, which is in direct contact with the mounting frame 5 during movement, so that the ball is more flexible, and compared with some other universal connection methods, such as a universal joint, when the ball moves, the mounting frame 5 does not generate a sluggish phenomenon during following movement, so that the connection gap between the components can be reduced, and the reaction is more rapid.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a miniature projecting apparatus, includes casing (1), focusing ring (2) and camera lens (3), its characterized in that still includes:
a rotating frame (4) rotatably mounted on the housing (1);
the first end of the mounting frame (5) is hinged with the rotating frame (4), the rotating axis of the rotating frame (4) on the shell (1) is perpendicular to the rotating axis of the mounting frame (5) on the rotating frame (4), the focusing ring (2) is fixedly arranged on the mounting frame (5), and the lens (3) is arranged on the mounting frame (5) in a sliding manner;
a focusing assembly (6) arranged on the mounting frame (5) and used for driving the lens (3) to move on the mounting frame (5);
the fine adjustment piece (7) is arranged on the shell (1) and used for limiting the position of the second end of the installation frame (5), and the first end and the second end of the installation frame (5) are opposite to each other.
2. A pico projector according to claim 1, characterised in that said focusing assembly (6) comprises:
a first screw rod (8) rotatably mounted on the mounting frame (5);
a fixed block (9) fixedly arranged on the lens (3) and engaged with the first screw rod (8) through threads;
and the first power part (10) is arranged on the mounting frame (5) and is used for providing rotary power for the first screw rod (8).
3. The micro-projector according to claim 2, wherein the number of the first lead screws (8) and the number of the fixing blocks (9) are two and are symmetrically distributed on two sides of the lens (3), and the two first lead screws (8) are in linkage fit.
4. A pico projector according to claim 3, characterised in that a gear assembly (11) is connected between the two first screws (8).
5. A pico projector as claimed in claim 2, characterised in that said fixed block (9) comprises a first block (12) and a second block (13) fixedly connected to each other, said first block (12) being fixedly connected to the lens (3), said second block (13) being in threaded engagement with the first screw (8), said first block (12) having soft characteristics and said second block (13) having hard characteristics.
6. A pico projector according to claim 1, characterised in that said micro-adjustment means (7) comprise:
a moving block (14) movably arranged on the shell (1), wherein an inserting block (15) which is universally hinged with the second end of the mounting frame (5) is inserted into one side of the moving block in a sliding manner;
and the displacement mechanism (16) is arranged on the shell (1) and is used for controlling the moving block (14) to perform multidirectional displacement on the same plane.
7. A pico projector according to claim 6, characterised in that said displacement mechanism (16) comprises:
a moving frame (18) arranged on the shell (1) in a sliding mode and a second screw rod (17) rotatably installed on the shell (1), wherein the second screw rod (17) is in threaded engagement with the moving frame (18), the moving block (14) is installed on the moving frame (18) in a sliding mode, and the sliding direction of the moving block (18) on the moving frame (18) is perpendicular to the sliding square of the moving frame (18) on the shell (1);
a third screw rod (19) rotatably mounted on the moving frame (18), the axis direction of which is parallel to the sliding direction of the moving block (14) on the moving frame (18), and the third screw rod is in threaded engagement with the moving block (14);
a second power component (20) arranged on the shell (1) and a third power component (21) arranged on the moving frame (18) and used for providing rotary power for the second screw rod (17) and the third screw rod (19) respectively.
8. A pico projector according to claim 6, characterised in that the said insert (15) is connected to the mounting frame (5) by means of a ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223079876.9U CN218601667U (en) | 2022-11-21 | 2022-11-21 | Miniature projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223079876.9U CN218601667U (en) | 2022-11-21 | 2022-11-21 | Miniature projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218601667U true CN218601667U (en) | 2023-03-10 |
Family
ID=85407291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223079876.9U Active CN218601667U (en) | 2022-11-21 | 2022-11-21 | Miniature projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218601667U (en) |
-
2022
- 2022-11-21 CN CN202223079876.9U patent/CN218601667U/en active Active
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