CN107966781B - Reflector folding, unfolding and adjusting device in perspective type display optical system - Google Patents
Reflector folding, unfolding and adjusting device in perspective type display optical system Download PDFInfo
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- CN107966781B CN107966781B CN201711415679.0A CN201711415679A CN107966781B CN 107966781 B CN107966781 B CN 107966781B CN 201711415679 A CN201711415679 A CN 201711415679A CN 107966781 B CN107966781 B CN 107966781B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
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Abstract
The invention provides a reflector folding and unfolding and adjusting device in a perspective type display optical system, which mainly comprises a reflector frame, a folding and unfolding mechanism, an adjusting mechanism and a support, wherein the reflector frame is used for fixing and supporting a reflector, is connected with the folding and unfolding mechanism and can rotate around the folding and unfolding mechanism so as to realize angle adjustment and folding and unfolding of the reflector, and the adjusting mechanism supports the folding and unfolding mechanism, the reflector frame and the reflector and completes horizontal and vertical adjustment of the position of the reflector. The position adjustment of speculum can be realized to this device to adjust optical system's imaging effect, finally obtain stable clear display effect, can also accomplish receiving and releasing to the speculum in addition, thereby save space when the speculum does not use.
Description
Technical Field
The invention relates to the field of optical-mechanical systems, in particular to a reflector folding and unfolding and adjusting device in a perspective display optical system.
Background
In a see-through type display optical system, a mirror is a common element for reflecting light emitted from an image source to a combining mirror. At present, in a perspective type display optical system, the position of a reflector is fixed, but in the practical use process, the applicant finds that, in the perspective type display optical system, the reflector is exposed outside structural parts, and the reflector has the possibility of being damaged when the reflector is not used for different use environments, so that a folding and unfolding mechanism is required to unfold or fold the combined mirror. However, in the see-through type display optical system, the requirement for the position accuracy of the mirror is high, the position of the mirror is shifted due to the rotation of the ordinary retracting mechanism, and the change of the position of the mirror has an important influence on the imaging of the whole system, so the position accuracy of the mirror is ensured by adopting related means.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a reflector folding and unfolding and adjusting device in a perspective type display optical system, which integrates a position adjusting mechanism on the basis of a folding and unfolding mechanism to adjust the position of a reflector so that the position of the reflector reaches the required error range, thereby obtaining the optimal display effect.
The technical scheme of the invention is as follows:
the mirror receive and release and adjusting device in the perspective display optical system is characterized in that: comprises a reflector frame, a retraction mechanism, an adjusting mechanism and a support; the reflector frame is connected with the reflector and the retracting mechanism, and the adjusting mechanism connects the retracting mechanism with the support; the retraction mechanism can move longitudinally on the adjustment mechanism, and the adjustment mechanism can move laterally on the support.
Further preferably, the mirror retracting and adjusting device in the see-through display optical system is characterized in that: the reflecting mirror frame comprises a pressing plate, an adsorption block and a mirror frame bracket;
the upper part of the mirror frame support is of a U-shaped structure, and two sides of the lower part of the mirror frame support are provided with supporting legs; the pressing plate is also of a U-shaped structure, a concave-convex structure matched with the reflector is arranged at the edge of the pressing plate, the reflector is positioned between the pressing plate and the U-shaped structure at the upper part of the picture frame support, and the pressing plate is matched with the U-shaped structure at the upper part of the picture frame support to fix the reflector; the side surface of the lower landing leg of the mirror frame support is provided with an adsorption block which is used for being matched with a retraction mechanism to adsorb and fix the reflection mirror frame on the retraction mechanism, and the end part of the lower landing leg of the mirror frame support is also provided with a rotating shaft hole which is used for being matched with the retraction mechanism to realize the rotating retraction of the reflection mirror frame.
Further preferably, the mirror retracting and adjusting device in the see-through display optical system is characterized in that: the U-shaped structure on the upper part of the mirror frame support is isolated from the reflector by a rubber pad.
Further preferably, the mirror retracting and adjusting device in the see-through display optical system is characterized in that: the retraction mechanism comprises a retraction bracket, a rotating shaft and a pressing block;
connecting arms are arranged on two sides of the upper part of the retractable bracket, and adsorption bosses are arranged at the outer ends of the connecting arms and used for being matched with adsorption blocks on the side surfaces of the supporting legs on the lower part of the mirror frame bracket; the root of the connecting arm is provided with a groove for installing the rotating shaft in a matching way with the pressing block; an inclined angle exists between the upper connecting arm of the retractable bracket and the lower main body of the retractable bracket, and the inclined angle is equal to the theoretical deflection angle of the reflector in the optical system;
the rotating shaft is divided into a fixed section and a rotating section which are coaxially nested; the fixed section is fixed on the retractable bracket through a groove at the root of the connecting arm and a pressing block in a matching way, and the rotating section is fixedly arranged in a rotating shaft hole at the end part of the supporting leg at the lower part of the mirror frame bracket;
the back of the lower main body of the retractable support is provided with a longitudinal sliding block mounting groove and a cushion block matching groove, the side surface of the cushion block matching groove is provided with a threaded hole, and the axial direction of the threaded hole is parallel to the grooving direction of the longitudinal sliding block mounting groove.
Further preferably, the mirror retracting and adjusting device in the see-through display optical system is characterized in that: the adjusting structure comprises an adjusting bracket, a horizontal sliding rail, a rack, a gear, a cushion block, a vertical sliding rail, an adjusting bolt and a pin;
the guide rail of the horizontal sliding rail is fixedly arranged on the support, and the sliding block of the horizontal sliding rail is fixedly arranged at the bottom of the adjusting bracket; the rack is fixedly arranged on the support and is parallel to the guide rail of the horizontal slide rail; the gear is arranged at the end part of the gear rod, the gear rod is fixed in the adjusting bracket, and the end surface of the gear rod is provided with a structure matched with an external adjusting wrench; when the adjusting wrench drives the gear rod to rotate, the gear rod drives the gear to rotate, the gear moves on the rack, and the adjusting bracket moves on the horizontal sliding rail of the support through the bottom sliding block;
the guide rail of the vertical slide rail is fixedly arranged on the side surface of the adjusting bracket, and the slide block of the vertical slide rail is fixedly arranged in a longitudinal slide block mounting groove on the back surface of the main body at the lower part of the retractable bracket;
the cushion block is fixedly arranged on the side face of the adjusting bracket, a unthreaded hole is formed in the cushion block, an adjusting bolt penetrates through the unthreaded hole and is axially limited through a pin, and the adjusting bolt is matched with a threaded hole in the side face of a cushion block matching groove in the back face of a main body at the lower part of the retractable bracket; the end face of the adjusting bolt is provided with a structure matched with an external adjusting wrench; when the adjusting wrench drives the adjusting bolt to rotate, the adjusting bolt enables the retractable bracket to move on the vertical guide rail on the side surface of the adjusting bracket through the longitudinal sliding block on the back.
Advantageous effects
The invention has the beneficial effects that: the device can realize the retraction and the expansion of the transmitting mirror, effectively saves the space and plays a certain role in protection. The continuous adjustment of the horizontal direction and the vertical direction of the reflector is realized, so that the reflector can be positioned at the optimal position, and the optimal display effect is obtained.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a mirror frame;
FIG. 3 is a schematic structural diagram of a pick-and-place mechanism;
FIG. 4 is a schematic structural view of an adjustment mechanism;
FIG. 5 is a schematic illustration of a stowed position.
In the figure: 1. a mirror; 2. a mirror frame; 3. a retraction mechanism; 4. an adjustment mechanism; 5. a support; 20. pressing a plate; 21. an adsorption block; 22. a frame support; 30. a rotating shaft; 31. retracting and releasing the support; 32. briquetting; 40. adjusting the bracket; 41. a horizontal slide rail; 42. a rack; 43. a gear; 44. cushion blocks; 45. a vertical slide rail; 46. adjusting the nut; 47. a pin.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
An imaging effect debugging apparatus for an optical system of this embodiment includes: the mirror comprises a mirror frame 2, a retracting mechanism 3, an adjusting mechanism 4 and a support 5, wherein the mirror frame 22 is connected with the mirror 1 and the retracting mechanism 3, and the adjusting mechanism 4 is used for connecting the retracting mechanism 3 with the support 5.
The reflector frame 2 comprises a pressing plate 20, an adsorption block 21 and a frame support 22, the edge of the pressing plate is provided with a concave-convex structure matched with the shape of the reflector 1, the reflector can be matched and fixed, a rubber pad is used between the reflector 1 and the frame support 22 for isolation, and the influence of vibration and the like on glass is reduced. The adsorption force of the adsorption block 21 is 3Kg, the total weight of the reflector frame 2 and the reflector 1 is 1.5Kg, and the adsorption force is enough to adsorb the whole structure.
The retracting mechanism 3 comprises a rotating shaft 30, a retracting support 31 and a pressing block 31, the inclined angle of the retracting support 31 is the theoretical angle of the reflector in an optical system, the rotatable angle of the whole rotating shaft 30 is 130 degrees, and the absorbing block 21 absorbs the reflector frame 2 and the reflector 1 on the retracting support after the rotating shaft is adjusted in place.
The adjusting mechanism 4 realizes vertical direction adjustment by using threads and horizontal direction adjustment by using a gear rack. The adjusting mechanism comprises an adjusting bracket 40, a horizontal sliding rail 41, a rack 42, a gear 43, a cushion block 44, a vertical sliding rail 45, an adjusting nut 46 and a pin 47. The sliding block and the guide rail of the horizontal sliding rail 42 are respectively fixed on the adjusting bracket 40 and the support 5 to play a role of horizontal guiding, the top end of the gear 43 is provided with an inner hexagonal groove for inserting a wrench, the rack 42 is fixed on the support 5, and the gear 43 penetrates through the adjusting bracket 40 to be meshed with the rack 42, so that the horizontal direction adjustment of the reflector 1 is realized. The slide block and the guide rail of the vertical slide rail 45 are respectively fixed on the retractable support 31 and the adjusting support 40 to play a role of vertical guiding, an inner hexagonal groove for inserting a wrench and a pin 47 groove which penetrates through are formed in the top end of the adjusting nut 46, the cushion block 44 is fixed on the adjusting support 40 through a screw, the pin 47 penetrates through the cushion block 44 to axially position the adjusting nut 46, and the thread of the adjusting nut 46 is meshed with the thread on the retractable support 31, so that the vertical direction adjustment of the reflector 1 is realized.
When the reflector is used, the reflector 1 is opened from the folding position (figure 5) to the unfolding position (figure 1), then an internal hexagonal wrench is inserted into the grooves of the gear 43 and the adjusting nut 46, the horizontal direction position and the vertical direction position of the reflector can be adjusted by rotating the wrench, and the display effect of the whole optical system is observed at the same time until the optimal display effect is obtained.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (5)
1. A mirror receive and release and adjusting device in perspective type display optical system is characterized in that: comprises a reflector frame, a retraction mechanism, an adjusting mechanism and a support; the reflector frame is connected with the reflector and the retracting mechanism, and the adjusting mechanism connects the retracting mechanism with the support; the retraction mechanism can move longitudinally on the adjusting mechanism, and the adjusting mechanism can move transversely on the support;
the reflecting mirror frame comprises a pressing plate, an adsorption block and a mirror frame bracket; the upper part of the mirror frame support is of a U-shaped structure, and two sides of the lower part of the mirror frame support are provided with supporting legs; the reflector is positioned between the pressing plate and the U-shaped structure at the upper part of the picture frame support, and the pressing plate is matched with the U-shaped structure at the upper part of the picture frame support to fix the reflector; the side surface of the lower landing leg of the mirror frame support is provided with an adsorption block which is used for being matched with the folding and unfolding mechanism to adsorb and fix the reflection mirror frame on the folding and unfolding mechanism, and the end part of the lower landing leg of the mirror frame support is also provided with a rotating shaft hole which is used for being matched with the folding and unfolding mechanism to realize the rotating folding and unfolding of the reflection mirror frame;
the retraction mechanism comprises a retraction bracket, a rotating shaft and a pressing block; connecting arms are arranged on two sides of the upper part of the retractable bracket, and adsorption bosses are arranged at the outer ends of the connecting arms and used for being matched with adsorption blocks on the side surfaces of the supporting legs on the lower part of the mirror frame bracket; the root of the connecting arm is provided with a groove for installing the rotating shaft in a matching way with the pressing block; and an inclined angle exists between the connecting arm at the upper part of the retractable bracket and the main body at the lower part of the retractable bracket, and the inclined angle is equal to the theoretical deflection angle of the reflector in the optical system.
2. The mirror retracting and adjusting apparatus in a see-through type display optical system according to claim 1, wherein: the pressing plate is also of a U-shaped structure, and a concave-convex structure matched with the reflector is arranged at the edge of the pressing plate.
3. The mirror retracting and adjusting apparatus in a see-through type display optical system according to claim 2, wherein: the U-shaped structure on the upper part of the mirror frame support is isolated from the reflector by a rubber pad.
4. The mirror retracting and adjusting apparatus in a see-through type display optical system according to claim 1 or 3, wherein: the rotating shaft is divided into a fixed section and a rotating section which are coaxially nested; the fixed section is fixed on the retractable bracket through a groove at the root of the connecting arm and a pressing block in a matching way, and the rotating section is fixedly arranged in a rotating shaft hole at the end part of the supporting leg at the lower part of the mirror frame bracket; the back of the lower main body of the retractable support is provided with a longitudinal sliding block mounting groove and a cushion block matching groove, the side surface of the cushion block matching groove is provided with a threaded hole, and the axial direction of the threaded hole is parallel to the grooving direction of the longitudinal sliding block mounting groove.
5. The mirror retracting and adjusting apparatus in a see-through type display optical system according to claim 4, wherein: the adjusting structure comprises an adjusting bracket, a horizontal sliding rail, a rack, a gear, a cushion block, a vertical sliding rail, an adjusting bolt and a pin;
the guide rail of the horizontal sliding rail is fixedly arranged on the support, and the sliding block of the horizontal sliding rail is fixedly arranged at the bottom of the adjusting bracket; the rack is fixedly arranged on the support and is parallel to the guide rail of the horizontal slide rail; the gear is arranged at the end part of the gear rod, the gear rod is fixed in the adjusting bracket, and the end surface of the gear rod is provided with a structure matched with an external adjusting wrench; when the adjusting wrench drives the gear rod to rotate, the gear rod drives the gear to rotate, the gear moves on the rack, and the adjusting bracket moves on the horizontal sliding rail of the support through the bottom sliding block;
the guide rail of the vertical slide rail is fixedly arranged on the side surface of the adjusting bracket, and the slide block of the vertical slide rail is fixedly arranged in a longitudinal slide block mounting groove on the back surface of the main body at the lower part of the retractable bracket;
the cushion block is fixedly arranged on the side face of the adjusting bracket, a unthreaded hole is formed in the cushion block, an adjusting bolt penetrates through the unthreaded hole and is axially limited through a pin, and the adjusting bolt is matched with a threaded hole in the side face of a cushion block matching groove in the back face of a main body at the lower part of the retractable bracket; the end face of the adjusting bolt is provided with a structure matched with an external adjusting wrench; when the adjusting wrench drives the adjusting bolt to rotate, the adjusting bolt enables the retractable bracket to move on the vertical guide rail on the side surface of the adjusting bracket through the longitudinal sliding block on the back.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711415679.0A CN107966781B (en) | 2017-12-25 | 2017-12-25 | Reflector folding, unfolding and adjusting device in perspective type display optical system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711415679.0A CN107966781B (en) | 2017-12-25 | 2017-12-25 | Reflector folding, unfolding and adjusting device in perspective type display optical system |
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| CN107966781A CN107966781A (en) | 2018-04-27 |
| CN107966781B true CN107966781B (en) | 2020-03-27 |
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| CN201711415679.0A Active CN107966781B (en) | 2017-12-25 | 2017-12-25 | Reflector folding, unfolding and adjusting device in perspective type display optical system |
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| CN109725399B (en) * | 2018-12-17 | 2020-07-21 | 中国科学院长春光学精密机械与物理研究所 | Focus detection reflector switching device and large-area array CMOS aerial camera system |
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| CN107966781A (en) | 2018-04-27 |
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