CN217386017U - Optical image stabilizing mechanism and optical device - Google Patents
Optical image stabilizing mechanism and optical device Download PDFInfo
- Publication number
- CN217386017U CN217386017U CN202220473066.2U CN202220473066U CN217386017U CN 217386017 U CN217386017 U CN 217386017U CN 202220473066 U CN202220473066 U CN 202220473066U CN 217386017 U CN217386017 U CN 217386017U
- Authority
- CN
- China
- Prior art keywords
- driving
- base body
- optical image
- image stabilization
- stabilization mechanism
- 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.)
- Active
Links
Images
Landscapes
- Telescopes (AREA)
Abstract
The utility model provides an optics is steady like mechanism and optical device, optics is steady like mechanism includes the base body, middle pedestal and reflection part. The middle base body is rotatably arranged on the base body around an axis positioned in the first direction; the reflecting part is arranged on the middle seat body in a way of rotating around an axis in the second direction and is provided with a reflecting surface for adjusting the light path; the first direction and the second direction are two directions which are perpendicular to each other in a plane. This scheme can rotate around first direction through driving reflection part respectively, and/or, the pedestal rotates around first direction in the middle of the drive, adjust the turned angle of plane of reflection, and then reach the purpose of adjustment light path, in order to compensate the optical axis offset that optical equipment such as telescope produced when the shake, make the optical axis guarantee all the time at the central point of eyepiece and put, reach the stable purpose of image, moreover, the steam generator is simple in structure, save the cost, and the drive power of driving reflection part and/or middle pedestal is controllable, can be applicable to the heavier heavy-calibre telescope of lens and use.
Description
Technical Field
The utility model belongs to the technical field of the optical equipment technique and specifically relates to an optics is surely like mechanism and optical device is related to.
Background
The artificial shake generally causes the distortion of the observed picture of the telescope during working, and the optical axis deviation caused by the artificial shake is usually avoided by an optical image stabilizing mechanism at present. However, the existing optical image stabilizing mechanism mainly uses coil driving, has high manufacturing cost, and is not suitable for large-aperture telescopes with heavier lenses.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an optical image stabilization mechanism and an optical device, which are mainly driven by coils to solve the problem of the prior optical image stabilization mechanism that the manufacturing cost is high and the optical image stabilization mechanism is not suitable for heavy large-caliber telescopes.
In order to achieve the above object, the present invention provides an optical image stabilization mechanism for locating on a light path, the optical image stabilization mechanism includes:
a base body;
the middle base body is rotatably arranged on the base body around an axis in the first direction; and (c) a second step of,
the reflecting part is arranged on the middle base body in a rotating mode around an axis in the second direction and is provided with a reflecting surface used for adjusting the light path;
the first direction and the second direction are two directions which are perpendicular to each other in a plane.
Optionally, the optical image stabilization mechanism further includes a rotation driving structure, the rotation driving structure includes a guiding portion and a driving portion, the guiding portion has a guiding surface that is an inclined arrangement, the driving portion is in butt joint with the guiding surface, and the driving portion moves along a straight line, so that the guiding portion can rotate and move, wherein:
the guide part is arranged on the reflection part, and the driving part is arranged on the middle seat body; and/or the presence of a gas in the gas,
the guide part is arranged on the middle seat body, and the driving part is arranged on the base body.
Optionally, the optical image stabilization mechanism further comprises a linear driving structure, the linear driving structure comprising:
the driving motor is provided with an output shaft, and a motor seat of the driving motor is arranged on the base body and/or the middle base body;
the driving screw rod is in driving connection with the output shaft; and the number of the first and second groups,
the driving nut is in threaded fit with the driving screw rod;
the driving part is arranged on the driving nut.
Optionally, the linear driving structure further comprises a guide rod, and the guide rod is arranged on a motor base of the driving motor;
the driving nut is provided with a guide hole in a penetrating mode, and the guide rod penetrates through the guide hole.
Optionally, one of the guide part and the driving part comprises a concave part which is concavely arranged in an arc shape, and the other comprises a convex part which is convexly arranged in an arc shape;
the guide surface is arranged on the concave surface of the concave part or the convex surface of the convex part which is arranged corresponding to the guide part.
Optionally, the middle seat and/or the reflection part is/are provided as an adjustment part, correspondingly, the base body and the middle seat are provided as a reference part, the adjustment part has an initial position and an adjustment position on a rotation stroke thereof, and a reset structure is provided between the reference part and the adjustment part to reset the adjustment part from the adjustment position to the initial position.
Optionally, the reset mechanism includes:
the mounting column is arranged at the adjusting part;
the stop block is arranged on the reference part and corresponds to the mounting column; and the number of the first and second groups,
and one end of the reset torsion spring is connected with the mounting column, and the other end of the reset torsion spring is connected with the stop block.
Optionally, the optical image stabilization mechanism further includes an angle sensor configured to measure a rotation angle of the reflection portion.
Furthermore, the present invention also provides an optical device, which includes the optical image stabilization mechanism as described above.
Optionally, the optical device comprises a telescope.
In this scheme, middle pedestal rotates around the axis on the first direction and installs in the pedestal, and the pedestal in the middle of the reflection part rotates around the axis on the second direction and locates. Therefore, the rotating angle of the reflecting surface can be adjusted by respectively driving the reflecting part to rotate around the first direction and/or driving the middle base body to rotate around the first direction, so that the purpose of adjusting the light path is achieved, the optical axis offset generated when optical equipment such as a telescope shakes is made up, the optical axis is always ensured at the central position of an eyepiece, the purpose of image stabilization is achieved, the structure is simple, the cost is saved, the driving force for driving the reflecting part and/or the middle base body is controllable, and the large-caliber telescope with heavier lenses can be suitable for use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of an optical image stabilizing mechanism according to the present invention;
FIG. 2 is a schematic cross-sectional view A-A of the optical image stabilization mechanism of FIG. 1;
FIG. 3 is a schematic cross-sectional view B-B of the optical image stabilization mechanism of FIG. 1;
FIG. 4 is an enlarged schematic view at A in FIG. 2;
FIG. 5 is a schematic side view of the optical image stabilization mechanism of FIG. 1;
fig. 6 is a schematic structural diagram of an embodiment of an optical device according to the present invention.
The reference numbers illustrate:
the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The artificial shake generally causes the distortion of the observed picture of the telescope during working, and the optical axis deviation caused by the artificial shake is usually avoided by an optical image stabilizing mechanism at present. However, the conventional optical image stabilizing mechanism mainly uses coil driving, has high manufacturing cost and is not suitable for a large-aperture telescope with heavy lenses.
In view of this, the utility model provides an optics is steady like mechanism and optical device aims at solving current optics and is steady like mechanism and mainly uses the coil drive, and manufacturing cost is higher to be unsuitable lens heavy-calibre telescope's technical problem uses. Fig. 1 to 6 show specific embodiments of the optical image stabilizing mechanism and the optical device provided by the present invention.
Referring to fig. 1 to 3, the present invention provides an optical image stabilizing mechanism 100 for being disposed on a light path, where the optical image stabilizing mechanism 100 includes a base body 1, a middle base body 2 and a reflection portion 3, and the middle base body 2 is rotatably mounted on the base body 1 around an axis located in a first direction; the reflecting part 3 is rotatably arranged on the middle base body 2 around an axis in a second direction, and the reflecting part 3 is provided with a reflecting surface 31 for adjusting the light path; the first direction and the second direction are two directions which are perpendicular to each other in a plane.
In this scheme, middle pedestal 2 rotates around the ascending axis in first direction and installs in pedestal 1, and pedestal 2 in the middle of just reflection part 3 rotates around the ascending axis in second direction and locates. Therefore, the reflecting part 3 can be driven to rotate around the first direction and/or the middle base body 2 can be driven to rotate around the first direction to adjust the rotating angle of the reflecting surface 31, so that the purpose of adjusting the light path is achieved, the optical axis offset generated when optical equipment such as a telescope 220 shakes is made up, the optical axis is always ensured to be at the central position of the ocular lens 222, the purpose of image stabilization is achieved, the structure is simple, the cost is saved, the driving force for driving the reflecting part 3 and/or the middle base body 2 is controllable, and the large-caliber telescope 220 with heavier lenses can be used. It can be understood that, in the present embodiment, the first direction and the second direction are two directions perpendicular to each other in a plane, so as to expand an adjustment range of the optical path, so that the applicability of the optical image stabilizing mechanism 100 is stronger.
The form of the reflecting surface 31 is not limited as long as it can reflect light. In this embodiment, the reflection portion 3 includes a mirror material, and the reflection surface 31 is a light incident side of the reflection portion 3.
In addition, the arrangement form of the base body 1 and the middle base body 2 is not limited as long as the reflecting part 3 can be supported to realize corresponding rotation arrangement. In an embodiment, the base body 1 and/or the intermediate seat 2 is plate-shaped. In another embodiment, the base body 1 and/or the middle seat 2 are arranged in a column shape. In this embodiment, the base body 1 and the middle base body 2 are provided with a housing, and the inner cavities of the two housings are provided with openings towards the same side, so as to facilitate the installation of corresponding components. In the scheme, the base body 1 and the middle base body 2 are arranged into a shell, so that the reflection part 3 can be protected, and the attractive effect can be achieved.
Further, in order to improve the convenience of the optical image stabilizing mechanism 100, in this embodiment, please refer to fig. 2 and fig. 3, the optical image stabilizing mechanism 100 further includes a rotation driving structure 4, the rotation driving structure 4 includes a guiding portion 41 and a driving portion 5, the guiding portion 41 has a guiding surface 42 that is disposed in an inclined manner, the driving portion 5 abuts against the guiding surface 42, and the driving portion 5 moves along a straight line, so that the guiding portion 41 can rotate, wherein: the guide part 41 is arranged on the reflection part 3, and the driving part 5 is arranged on the middle seat body 2; and/or, the guide part 41 is arranged on the middle seat body 2, and the driving part 5 is arranged on the seat body 1. In this way, when the driving portion 5 moves along a straight line, the driving portion cooperates with the corresponding guide surface 42 to drive the corresponding guide portion 41 to rotate, so as to realize the rotation of the middle base 2 and/or the reflection portion 3.
Specifically, a first guide portion 411 is disposed on one side of the middle seat 2 facing the seat 1, and a first driving portion 51 is disposed on one side of the seat 1 facing the middle seat 2; and a second guiding portion 412 is disposed on a side of the reflecting portion 3 facing the middle base 2, and a second driving portion 52 is disposed on a side of the middle base 2 facing the reflecting portion 3. The first guide portion 411 is disposed obliquely along the second direction from one side of the middle base 2 opposite to the other side of the middle base to form a first guide surface, and the first driving portion 51 is abutted to the first guide surface; the second guiding portion 412 is disposed obliquely along the first direction from one side opposite to the reflecting portion 3 to the other side opposite to the one side, so as to form a second guiding surface, and the second driving portion 52 abuts against the second guiding surface.
Further, referring to fig. 2, the optical image stabilizing mechanism 100 further includes a linear driving structure 6, and the linear driving structure 6 includes a driving motor 61, a driving screw 62 and a driving nut 63. The driving motor 61 is provided with an output shaft, and a motor seat of the driving motor 61 is arranged on the base body 1 and/or the middle base body 2; the driving screw rod 62 is in driving connection with the output shaft; and, the drive nut 63 is in threaded engagement with the drive screw 62; the drive portion 5 is provided in the drive nut 63. In the scheme, the linear motion of the driving part 5 is realized through the matching form of the screw rod nut, so that the linear motion of the driving part 5 is converted into the corresponding rotation of the middle seat body 2 or the reflecting part 3, the structure is simple, and the cost is saved.
Further, to improve the stability of the linear movement of the driving nut 63. In one embodiment, the guiding portion 41 has a guiding groove along the moving direction of the corresponding driving portion 5, and an end of the driving portion 5 away from the corresponding driving nut 63 is located in the corresponding guiding groove. In another embodiment, the linear driving mechanism 6 further includes a guide rod, and the guide rod is disposed on the motor base of the driving motor 61; the driving nut 63 is provided with a guide hole in a penetrating manner, and the guide rod penetrates through the guide hole.
Further, the driving portion 5 can move on the corresponding guide surface 42 smoothly for convenience. In the present embodiment, one of the guide portion 41 and the driving portion 5 includes a concave portion in an arc shape and the other includes a convex portion in an arc shape; the guide surface 42 is provided on a concave surface of the concave portion or a convex surface of the convex portion provided corresponding to the guide portion 41. That is, the driving portion 5 can move along a straight line more smoothly by the cooperation of the arc surfaces. Specifically, one side of the first guiding portion 411 facing the first driving portion 51 is an arc concave surface, so as to form a first guiding surface, and one side of the first driving portion 51 facing the first guiding portion 411 is an arc convex surface. One side of the second guiding portion 412 facing the second driving portion 52 is an arc-shaped concave surface, so as to form a second guiding surface, and one side of the second driving portion 52 facing the second guiding portion 412 is an arc-shaped convex surface.
Further, it is convenient to reset the position of the middle base 2 and/or the reflection part 3 after rotation to the initial position, so that the optical device such as the telescope 220 can be normally used without shaking. In this embodiment, the middle seat 2 and/or the reflection part 3 are/is provided as an adjusting part, correspondingly, the base body 1 and the middle seat 2 are provided as a reference part, the adjusting part has an initial position and an adjusting position on its rotation stroke, and a reset structure 7 is provided between the reference part and the adjusting part to reset the adjusting part from the adjusting position to the initial position.
Specifically, in one embodiment, the reflection portion 3 is set as a first adjustment portion, and the middle base 2 is set as the corresponding first reference portion; the intermediate base 2 is a second adjusting portion, and the base 1 is a second reference portion. In this embodiment, the resetting structure 7 resets the adjusting portion, that is, the middle base 2 and/or the reflecting portion 3, from the adjusting position to the initial position, so that when the optical image stabilizing mechanism 100 is switched from a shake environment to a shake-free environment, normal use of optical equipment such as the telescope 220 is not affected, and convenience is improved.
Further, referring to fig. 2 and 4, the reset structure 7 includes an installation column 71, a stop block 72 and a reset torsion spring 73, wherein the installation column 71 is disposed on the adjusting portion; the stop block 72 is arranged on the reference part and is arranged corresponding to the mounting column 71; and one end of the reset torsion spring 73 is connected to the mounting column 71, and the other end is connected to the stop block 72. In this embodiment, the mounting column 71, the stop block 72 and the reset torsion spring 73 are matched, so that the adjusting portion can be reset to the initial position from the adjusting position, and the structure is simple and convenient to implement.
Further, the rotation angle of the reflection part 3 is easily obtained in real time. In this embodiment, the optical image stabilizing mechanism 100 further includes an angle sensor 8, and the angle sensor 8 is configured to measure a rotation angle of the reflection portion 3. This scheme passes through angle sensor 8 acquires the turned angle of reflection part 3 to the user's reference, and then can be comparatively accurate realization right the adjustment of reflection part 3 angle. It is understood that the arrangement form of the angle sensor 8 is not limited as long as the rotation angle of the reflection part 3 can be acquired. In this embodiment, the angle sensor 8 includes a hall angle measuring element and a corresponding magnet, one of the hall angle measuring element and the magnet is provided in the reference portion, and the other is provided in the adjusting portion.
In addition, referring to fig. 6, to achieve the above object, the present invention further provides an optical device 200, where the optical device 200 includes the optical image stabilizing mechanism 100 according to the above technical solution. It should be noted that, for the detailed structure of the optical image stabilizing mechanism 100 of the optical device 200, reference may be made to the embodiment of the optical image stabilizing mechanism 100, and details are not repeated herein; because the utility model discloses an above-mentioned optics steady image mechanism 100 has been used among the optical device 200, consequently, the utility model discloses the embodiment of optical device 200 includes all technical scheme of the whole embodiments of above-mentioned optics steady image mechanism 100, and the technical effect that reaches is also identical, no longer gives unnecessary details here. It is understood that the optical device 200 includes, but is not limited to, a telescope 220, an image capture apparatus, and a projection apparatus.
Further, in an embodiment, the optical device 200 further includes a fixed reflector 210 disposed on the optical path, and specifically, the objective lens 221 of the telescope 220, the fixed reflector 210, the optical image stabilizing mechanism 100, and the eyepiece 222 of the telescope 220 are sequentially disposed along the optical path.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An optical image stabilization mechanism for locating on a light path, the optical image stabilization mechanism comprising:
a base body;
the middle base body is rotatably arranged on the base body around an axis in the first direction; and the number of the first and second groups,
the reflecting part is arranged on the middle base body in a rotating mode around an axis in the second direction and is provided with a reflecting surface used for adjusting the light path;
the first direction and the second direction are two directions which are perpendicular to each other in a plane.
2. The optical image stabilization mechanism of claim 1, further comprising a rotation driving structure, wherein the rotation driving structure comprises a guiding portion and a driving portion, the guiding portion has a guiding surface disposed obliquely, the driving portion abuts against the guiding surface, and the driving portion moves along a straight line, so that the guiding portion can move rotationally, wherein:
the guide part is arranged on the reflection part, and the driving part is arranged on the middle seat body; and/or the presence of a gas in the gas,
the guide part is arranged on the middle seat body, and the driving part is arranged on the base body.
3. The optical image stabilization mechanism of claim 2, further comprising a linear drive structure, the linear drive structure comprising:
the driving motor is provided with an output shaft, and a motor seat of the driving motor is arranged on the base body and/or the middle base body;
the driving screw rod is in driving connection with the output shaft; and the number of the first and second groups,
the driving nut is in threaded fit with the driving screw rod;
the driving part is arranged on the driving nut.
4. The optical image stabilization mechanism of claim 3, wherein the linear drive structure further comprises a guide rod, the guide rod being disposed at a motor base of the drive motor;
the driving nut is provided with a guide hole in a penetrating mode, and the guide rod penetrates through the guide hole.
5. The optical image stabilization mechanism of claim 2, wherein one of the guide portion and the driving portion includes a concave portion in an arc shape and the other includes a convex portion in an arc shape;
the guide surface is arranged on a concave surface of the concave part or a convex surface of the convex part which is arranged corresponding to the guide part.
6. The optical image stabilization mechanism according to claim 1, wherein the intermediate base body and/or the reflection portion are provided as an adjustment portion, and correspondingly, the base body and the intermediate base body are provided as a reference portion, the adjustment portion has an initial position on a rotation stroke thereof and an adjustment position, and a reset structure is provided between the reference portion and the adjustment portion to reset the adjustment portion from the adjustment position to the initial position.
7. The optical image stabilization mechanism of claim 6, wherein the reset structure comprises:
the mounting column is arranged at the adjusting part;
the stop block is arranged on the reference part and corresponds to the mounting column; and the number of the first and second groups,
and one end of the reset torsion spring is connected with the mounting column, and the other end of the reset torsion spring is connected with the stop block.
8. The optical image stabilization mechanism of claim 1, further comprising an angle sensor to measure a rotation angle of the reflective portion.
9. An optical device comprising an optical image stabilization mechanism according to any one of claims 1 to 8.
10. The optical device of claim 9, wherein the optical device comprises a telescope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220473066.2U CN217386017U (en) | 2022-03-03 | 2022-03-03 | Optical image stabilizing mechanism and optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220473066.2U CN217386017U (en) | 2022-03-03 | 2022-03-03 | Optical image stabilizing mechanism and optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217386017U true CN217386017U (en) | 2022-09-06 |
Family
ID=83099345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220473066.2U Active CN217386017U (en) | 2022-03-03 | 2022-03-03 | Optical image stabilizing mechanism and optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217386017U (en) |
-
2022
- 2022-03-03 CN CN202220473066.2U patent/CN217386017U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109407441B (en) | Non-rotating shaft anti-shake reflection module and periscopic module | |
| CN108600599B (en) | Imaging module, camera assembly and electronic device | |
| JP6382066B2 (en) | Imaging device | |
| RU2164032C2 (en) | Device for compensation of effect of trembling hands in videocamera | |
| KR20180092251A (en) | Camera module and portable electronic device including the same | |
| JP2012048255A (en) | Lens barrel and imaging apparatus | |
| JP5868016B2 (en) | Optical device | |
| CH669271A5 (en) | METHOD FOR STABILIZING AN IMAGE FOCUSED BY A PHOTOGRAPHIC LENS AND DEVICE FOR CARRYING OUT SAID METHOD. | |
| KR20230137277A (en) | folded module and camera module including the same | |
| JP7526626B2 (en) | Optical Unit | |
| JP3070429B2 (en) | binoculars | |
| JP2007322709A (en) | Optical member support mechanism, optical device, and interval adjustment member | |
| CN217386017U (en) | Optical image stabilizing mechanism and optical device | |
| US4322128A (en) | Control device for optical apparatus | |
| CN114594613A (en) | Optical image stabilizing mechanism and optical device | |
| CN110736442B (en) | Laser ranging binoculars | |
| CN106569328B (en) | Five-rod mechanism, swing mirror system and two-dimensional swing mirror device | |
| US11002981B2 (en) | Anti-vibration device and binocle | |
| US20220107489A1 (en) | Optical system for imaging an object, and method for operating the optical system | |
| JPH0251488B2 (en) | ||
| JP2606943Y2 (en) | Viewfinder parallax adjustment mechanism | |
| CN220207969U (en) | Focusing lens | |
| JP5991774B2 (en) | Optical device | |
| CN221175100U (en) | Periscope type lens driving device | |
| CN112672018B (en) | Electronic equipment and camera module thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |