CN204679715U - A kind of micro-projection device - Google Patents
A kind of micro-projection device Download PDFInfo
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- CN204679715U CN204679715U CN201520365714.2U CN201520365714U CN204679715U CN 204679715 U CN204679715 U CN 204679715U CN 201520365714 U CN201520365714 U CN 201520365714U CN 204679715 U CN204679715 U CN 204679715U
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- push pedal
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Abstract
The utility model discloses a kind of micro-projection device, comprise display module (2), diopter regulates module (4) and camera lens module (3), camera lens module (3) is fixedly mounted in push pedal (6) in the longitudinal direction; Diopter regulates module (4) to comprise installing plate (42), be arranged on regulating shaft (45) on installing plate (42) and the adjustment thumb wheel (41) that drives regulating shaft (45) to rotate rotatably, display module (2) is connected with vision-control thread segment (452) threaded engagement of regulating shaft (45), and camera lens module (3) is connected with camera adjusting thread segment (453) threaded engagement of regulating shaft (45) by push pedal (6).The utility model equipment is for realizing comparatively accurate, complicated optics adjusted design and debugging provides condition, and this makes user by means of only regulating thumb wheel just can carry out precision, complicated optics regulates, and then obtains the vision display effect of professional diopter adjustment.
Description
Technical field
The utility model relates to projection display technique field, particularly relates to the diopter adjustment structure of micro-projection device.
Background technology
Micro-projection device is also known as portable translucent equipment or pocket-type projector equipment, and it can be micro projector, also can be head mounted display, can also be the display of other virtual realities or enhancing display device.Bring more comfortable in order to enable micro-projection device to the user of different vision condition, visual experience more clearly, the micro-projection device of higher-end can configure diopter regulating mechanism usually, existing diopter regulating mechanism is fixedly mounted in the outer cover of micro-projection device using a module in display module and camera lens module as fixing module, another module is as movable module and the sliding connection along the longitudinal direction of fixing module, relatively fix module with the drive activity module when diopter regulating mechanism action to seesaw, realize the object that diopter regulates.Because this kind of diopter regulating mechanism can only solely adjustment activity module position in the longitudinal direction, add the restriction by level of processing, optical designers cannot carry out precision, complicated optics adjusted design and debugging on the basis of this kind of structure, therefore, user is difficult to when using this kind of micro-projection device be regulated by diopter simply just obtain satisfied vision display effect.
Utility model content
The purpose of this utility model is to provide a kind of new solution of micro-projection device, and to make carrying out precision, the adjustment of complicated optics becomes possibility.
To achieve these goals, the utility model provides a kind of micro-projection device, it comprises outer cover, display module, diopter adjustment module and camera lens module, and described camera lens module is positioned at the rear side of described display module in the longitudinal direction, and is fixedly mounted in the longitudinal direction in push pedal; Described diopter regulates module to comprise installing plate, regulating shaft and the adjustment thumb wheel for driving described regulating shaft to rotate, and described installing plate is fixedly mounted in described outer cover, and described regulating shaft is arranged on described installing plate along the longitudinal direction rotatably; Described display module and described push pedal all limit relative described installing plate and are arranged in described outer cover rotationally, and described display module is connected with the vision-control thread segment threaded engagement of described regulating shaft, described camera lens module is connected with the camera adjusting thread segment threaded engagement of described regulating shaft by described push pedal.
Preferably, described camera lens module comprises at least two lens assemblies be set-located in turn from front to back, and sliding connection along the longitudinal direction between adjacent lens assembly; Described regulating shaft has the camera adjusting thread segment configured with described lens assembly one_to_one corresponding, described lens assembly is fixedly mounted in corresponding push pedal in the longitudinal direction, and described lens assembly is connected with corresponding camera adjusting thread segment threaded engagement by corresponding push pedal.
Preferably, between adjacent component lens barrel, dust ring is installed, and the installation site of dust ring makes dust ring retaining clip when adjacent lens assembly spacing along the longitudinal direction reaches maximum be located at the state between adjacent lens assembly.
Preferably, all camera adjusting thread segments of described regulating shaft divide the both sides being located at described installing plate in the longitudinal direction, and described installing plate has the opening passed for described camera lens module.
Preferably, adjacent two described camera adjusting thread segments are different, and described vision-control thread segment is different with the camera adjusting thread segment adjacent from described vision-control thread segment.
Preferably, described camera lens module comprises two lens assemblies, wherein, the lens assembly of contiguous described display module is recessed lens assembly, another lens assembly is convex lens assembly, the camera adjusting thread segment of corresponding described recessed lens assembly is recessed camera adjusting thread segment, and the camera adjusting thread segment of corresponding described convex lens assembly is that convex lens regulates thread segment; Described recessed camera adjusting thread segment regulates thread segment to have different rotation directions from described convex lens, and described recessed camera adjusting thread segment has identical rotation direction and different pitch from described vision-control thread segment.
Preferably, the quantity of described regulating shaft makes described push pedal be connected with the camera adjusting thread segment threaded engagement of at least two regulating shafts, be arranged in described outer cover rotationally to realize the relatively described installing plate of described push pedal restriction, and described display module is connected with the vision-control thread segment threaded engagement of at least two regulating shafts, be arranged on rotationally in described outer cover to realize the relatively described installing plate of described display module restriction.
Preferably, described adjustment thumb wheel drives described regulating shaft to rotate by synchronous drive mechanism, the engaged wheel that described synchronous drive mechanism comprises driving wheel and driven by described driving wheel, described driving wheel is fixedly mounted in the rotating shaft of described adjustment thumb wheel, described engaged wheel and described regulating shaft one_to_one corresponding configure, and described engaged wheel is fixedly mounted on corresponding regulating shaft.
Preferably, described micro-projection device comprises two the camera lens modules in left and right, and described display module has left and right two viewing areas that arrange corresponding to left and right two camera lens modules; Described camera lens module and corresponding push pedal sliding connection in left-right direction; The interpupillary distance that described micro-projection device also comprises for driving described two camera lens modules to slide in left-right direction regulates module.
Preferably, described camera lens module comprises module lens barrel and is arranged on the lens in described module lens barrel, front dust-proof cushion is folded with between the open front edge of described module lens barrel and the viewing area frame of described display module, and be folded with rear dust-proof cushion between form on the after-opening edge of described module lens barrel and described outer cover, with by described lens packages in the confined space surrounded by described module lens barrel, form and display module, and the viewing area of described display module is arranged in described confined space; Described front dust-proof cushion thickness in the longitudinal direction makes described front dust-proof cushion retaining clip when described display module and described open front edge spacing along the longitudinal direction reach maximum be located at the state between described viewing area frame and described open front edge, and described rear dust-proof cushion thickness in the longitudinal direction make described rear dust-proof cushion in the rear opening edge along and described form spacing along the longitudinal direction reaches maximum time retaining clip be located at state between described after-opening edge and described form.
Inventor of the present utility model finds, in the prior art, micro-projection device exists and solely by regulating the display position of module or the position of adjustable lens module to carry out diopter adjustment, and then can only cannot carry out the problem of precision, the adjustment of complicated optics.Therefore, the technical assignment that the utility model will realize or technical matters to be solved are that those skilled in the art never expect or do not anticipate, therefore the utility model is a kind of new technical scheme.Micro-projection device of the present utility model is connected from the different thread segment threaded engagement of regulating shaft with camera lens module owing to making display module, therefore camera lens module and display module all can move along the longitudinal direction when carrying out diopter adjustment, the optical designers of this kind of structural support specialty carries out accommodation to different screw thread pair as required, and then it is comparatively accurate for realizing, complicated optics adjusted design and debugging provide conveniently condition, this makes user regulate thumb wheel that diopter just can be driven to regulate module to carry out precision when using micro-projection device of the present utility model by means of only stirring simply, complicated optics regulates, and then obtain the vision display effect of professional diopter adjustment.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
In the description combined and the accompanying drawing forming a part for instructions shows embodiment of the present utility model, and illustrate that one is used from and explains principle of the present utility model together with it.
Fig. 1 is a kind of surface structure schematic diagram implementing structure according to micro-projection device of the present utility model;
Fig. 2 is the surface structure schematic diagram that micro-projection device shown in Fig. 1 is watched from another visual angle;
Fig. 3 is the decomposing schematic representation of micro-projection device shown in Fig. 1 and Fig. 2;
Fig. 4 is the perspective view of functional module group shown in Fig. 3;
Fig. 5 is the schematic exploded perspective view of functional module group shown in Fig. 4;
Fig. 6 a is the perspective view of Diopter accommodation module in Fig. 5;
Fig. 6 b is the schematic front view of another kind of Diopter accommodation module;
Fig. 6 c is the schematic front view of the third Diopter accommodation module;
Fig. 7 is the cross-sectional schematic of functional module group shown in Fig. 4 on the section of the center line through contour two regulating shafts;
Fig. 8 is that the three-dimensional ladder of the external connecting structure of a display regulating shaft cuts open schematic diagram;
Fig. 9 is the plane partial cutaway schematic diagram of corresponding diagram 8;
Figure 10 is that the three-dimensional ladder of syndeton between display push pedal and camera lens module cuts open schematic diagram;
Figure 11 is the plane partial cutaway schematic diagram of corresponding Figure 10;
Figure 12 is the part-structure schematic diagram of left side camera lens module in Fig. 5;
Figure 13 is the part-structure schematic diagram of right side camera lens module in Fig. 5.
Description of reference numerals:
1-outer cover; 11-front shroud;
12-back cover; F-functional module group;
2-shows module; 3-camera lens module;
3a-module lens barrel; 3b-lens;
31-lens assembly; The recessed lens assembly of 31a-;
31b-convex lens assembly; 4-diopter regulates module;
41-regulates thumb wheel; 42-installing plate;
43-engaged wheel; 44-driving wheel;
45-regulating shaft; 452-vision-control thread segment;
453-camera adjusting thread segment; The recessed camera adjusting thread segment of 453a-;
453b-convex lens regulates thread segment; 46-Timing Belt;
Dust-proof cushion before 51-; Dust-proof cushion in the middle of 52-;
53-dust ring; Dust-proof cushion after 54-;
6-push pedal; Push pedal before 6a-;
Push pedal after 6b-; 7a, 7b-interpupillary distance regulates slider;
8-veneer foam; 9-form;
3a1-breach; 3a2-breach frame;
3a3-groove; 3a4-flank;
3a5-engaging lug.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for instructions.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
As shown in figure 1 to figure 13, micro-projection device of the present utility model comprises outer cover 1, and display module 2, diopter regulates module 4 and camera lens module 3, this camera lens module 3 is positioned at the rear side of display module 2 in the longitudinal direction, and this camera lens module 3 is fixedly mounted in push pedal 6 in the longitudinal direction, slide in the longitudinal direction to limit the relative push pedal 6 of camera lens module 3, and then the object that realization drives camera lens module 3 to slide in the longitudinal direction by push pedal 6, at this, this camera lens module 3 can be arranged in a push pedal 6 or multiple push pedal 6 as required, for each push pedal 6, the restriction of above-mentioned " camera lens module 3 is fixedly mounted in push pedal 6 in the longitudinal direction " only represents the annexation between the direct connecting portion (position be namely directly connected with this push pedal 6) of this push pedal 6 and camera lens module 3, the annexation between this push pedal 6 and other positions be flexibly connected with this direct connecting portion of camera lens module 3 can not be represented, and " A " clause be fixedly mounted in the longitudinal direction on " B " only represents that the relative B of restriction A slides in the longitudinal direction in present specification, but do not represent and the relative B of A degree of freedom is in the other direction limited, such as A can relatively B at the right and left upward sliding vertical with fore-and-aft direction.Above-mentioned diopter regulates module 4 to comprise the installing plate 42 be fixedly mounted in outer cover 1, be arranged on the regulating shaft 45 on installing plate 42 along the longitudinal direction rotatably, and the adjustment thumb wheel 41 for driving regulating shaft 45 to rotate on installing plate 42, this adjustment thumb wheel 41 can be arranged on installing plate 42, also can be arranged on outer cover 1, and should be exposed by outer cover 1, thumb wheel 41 is regulated to drive regulating shaft 45 to rotate for user by stirring, this regulating shaft 45 has the corresponding display vision-control thread segment 452 of module 2 and the camera adjusting thread segment 453 of corresponding camera lens module 3, display module 2 and push pedal 6 all limit and are mounted opposite plate 42 and are arranged in outer cover 1 rotationally, namely show module 2 and push pedal 6 to be mounted opposite plate 42 and all not there is rotational freedom, and display module 2 is connected with vision-control thread segment 452 threaded engagement, camera lens module 3 is connected with camera adjusting thread segment 453 threaded engagement by push pedal 6, like this, user stir regulate thumb wheel 41 regulating shaft 45 is rotated time, display module 2 and the camera lens module 3 be arranged in push pedal 6 just correspondingly can move under the effect of respective screw thread pair, at this, due to screw thread pair, to have transmission accuracy high, ratio of gear is large, stable movement, the advantages such as radial force is large, therefore the utility model utilizes screw thread pair by convert rotational motion for rectilinear motion effectively can ensure the accuracy requirement that optics regulates.
Known according to above explanation, micro-projection device of the present utility model supports that the optical designers of specialty is as required to the pitch of different screw thread pair, rotation direction, lead angle, line number, helical pitches etc. carry out accommodation, and then make to carry out comparatively precision, complicated optics adjusted design becomes possibility, also comparatively accurate for realizing, complicated optics adjusted design and debugging provide conveniently condition, for this reason, user regulates thumb wheel 41 that diopter just can be driven to regulate module 4 to carry out precision when using this kind of micro-projection device by means of only stirring simply, complicated optics regulates, and then obtain the vision display effect of professional diopter adjustment.
Embodiment 1:
Above-mentioned camera lens module 3 comprises module lens barrel 3a and is arranged on the lens 3b in module lens barrel 3a, and this camera lens module 3 can adopt the most basic optical texture, and namely camera lens module 3 only arranges a lens 3b, and these lens 3b is convex lens.But in order to realize it being such as the optical designs such as color difference eliminating, removal of images distortion, visual angle amplification, this camera lens module 3 will comprise at least two lens 3b, these lens 3b can be arranged in the as a whole module lens barrel 3a of design, also can divide into groups as required point to be located in different independent lens barrels, so that more accurate, complicated optics adjusted design can be realized.
For point enforcement structure be located in different independent lens barrels of as required these lens 3b being divided into groups, above-mentioned camera lens module 3 can comprise at least two lens assemblies 31 be set-located in turn from front to back, each lens assembly 31 has at least one lens 3b, sliding connection along the longitudinal direction between adjacent lens assembly 31, above-mentioned regulating shaft 45 has the camera adjusting thread segment 453 configured with lens assembly 31 one_to_one corresponding, this lens assembly 31 is fixedly mounted on in corresponding push pedal 6 in the longitudinal direction, and this lens assembly 31 is connected with corresponding camera adjusting thread segment 453 threaded engagement by corresponding push pedal 6, like this, optical designers is just by designing the screw thread pair between display module 2 and regulating shaft 45 and debug, and by carrying out comprehensive optics adjusted design to the design of the screw thread pair between the push pedal 6 corresponding from different lens assembly 31 and regulating shaft 45 and debugging, and then realize more accurate, complicated optics adjusted design.Fig. 5 to Figure 11 shows the embodiment this kind of enforcement structure combined with the optical design configurations of above-mentioned color difference eliminating, namely this camera lens module 3 comprises two lens assemblies 31, the built-in concavees lens of lens assembly 31 of contiguous display module 2 become recessed lens assembly 31a, and another lens assembly 31 built-in convex lens become convex lens assembly 31b, so just, positive and negative lens chromatic aberration complementation can be utilized, solve color rendition problem of dtmf distortion DTMF.
Camera lens module 3 is adopted to the enforcement structure be set-located in turn by least two lens assemblies 31, in order to the finite space in outer cover 1 effectively can be utilized and then make the structure of miniature display device of the present utility model compacter, volume is smaller and more exquisite, all camera adjusting thread segments 453 of regulating shaft 45 can be made to divide the both sides being located at installing plate 42 in the longitudinal direction, and be that installing plate 42 arranges the opening 421 passed for camera lens module 3, like this, whole diopter regulates module 3 in the longitudinal direction just without the need to taking additional space, and the stressed more balanced of regulating shaft 45 can be made.
Embodiment 2:
When by regulating thumb wheel 41 to carry out diopter adjustment, all relative motion can be produced to make often adjacent two lens assemblies 31, and make display module 2 and adjacent lens assembly 31 by regulating thumb wheel 41 to carry out producing relative motion when diopter regulates, adjacent two camera adjusting thread segments 453 can be made different, and make vision-control thread segment 452 different with the camera adjusting thread segment 452 adjacent from vision-control thread segment 452, it is such as pitch that difference herein can be embodied in, rotation direction, lead angle, line number, any one or difference multinomial arbitrarily in the Design of Screw Thread key elements such as helical pitch.In addition, each thread segment can adopt regular screw thread, also can be designed to drunken thread as required.
On this basis, the utility model provides a kind of optical regulation structure in conjunction with the optical design configurations of above-mentioned color difference eliminating, in this kind of optical regulation structure, as shown in Fig. 5 to Figure 11, to be used for installing the push pedal 6 of recessed lens assembly 31a as front push pedal 6a, to be used for installing the push pedal 6 of convex lens assembly 31b as being rear push pedal 6b, using the camera adjusting thread segment 453 that is connected with front push pedal 6a threaded engagement as recessed camera adjusting thread segment 453a, and the camera adjusting thread segment 453 be connected with rear push pedal 6b threaded engagement is regulated thread segment 453b as convex lens, this recessed camera adjusting thread segment 453a regulates thread segment 453b to have different rotation directions from convex lens, move along contrary direction when carrying out diopter and regulating with convex lens assembly 31b to make recessed lens assembly 31a, realize dioptric Fast Coarse to regulate, and this recessed camera adjusting thread segment 453a has identical rotation direction but different pitch from vision-control thread segment 452, to make concavees lens assembly 31a and display module 31b carrying out moving in a similar direction when diopter regulates, realize dioptric fine adjustment, the advantage of this kind of structure is that user only needs to stir and regulates thumb wheel 41 that diopter just can be driven to regulate module 4 to carry out dioptric Fast Coarse adjustment and dioptric fine adjustment simultaneously, and then the vision display effect meeting oneself requirement can be obtained rapidly and accurately.
Embodiment 3:
The quantity of above-mentioned regulating shaft 45 preferably makes push pedal 6 be connected with camera adjusting thread segment 453 threaded engagement of at least two regulating shafts 45, be mounted opposite plate 42 be arranged on object in outer cover 1 rotationally to realize push pedal 6 restriction, and display module 2 is connected with vision-control thread segment 452 threaded engagement of at least two regulating shafts 45, be mounted opposite plate 4 be arranged on object in outer cover 1 rotationally to realize showing module 2 restriction, like this, display module 2 and push pedal 6 are just without the need to realizing anti-rotation design by extra guide structure of guide pillar or slide block rail structure etc. are auxiliary, needing to adopt guide structure of guide pillar or slide block rail structure to assist in the embodiment realizing anti-rotation design, to show module 2, this guide structure of guide pillar or slide block rail structure can be arranged between display module 2 and installing plate 42 or to show between module 2 and outer cover 1.
Above-mentioned adjustment thumb wheel 41 drives regulating shaft 45 to rotate on installing plate 42 by synchronous drive mechanism, the engaged wheel 43 that this synchronous drive mechanism comprises driving wheel 44 and driven by driving wheel 44, this engaged wheel 43 configures with regulating shaft 45 one_to_one corresponding, this driving wheel 44 is fixedly mounted in the rotating shaft of adjustment thumb wheel 41, follow during to stir user and to regulate thumb wheel 41 and regulate thumb wheel 41 synchronous axial system, thumb wheel 41 is regulated to drive driving wheel 44 to rotate to be stirred by user, this engaged wheel 43 is fixedly mounted on corresponding regulating shaft 45, to realize the object driving regulating shaft 45 to rotate.
This synchronous drive mechanism can be gear drive, synchronous belt drive mechanism, belt gear, chain-drive mechanism etc.For the ease of carrying out the layout of synchronous drive mechanism, above-mentioned synchronous drive mechanism is preferably synchronous belt drive mechanism, belt gear or chain-drive mechanism; On this basis, in order to make synchronous drive mechanism have higher synchronism, this synchronous drive mechanism particularly synchronous belt drive mechanism, namely as shown in Fig. 6 a to Fig. 6 c, make driving wheel 44 drive engaged wheel 43 synchronous axial system by Timing Belt 46, and then drive regulating shaft 45 synchronous axial system.
In order to the object that the anti-rotation realizing directly being undertaken showing module 2 and push pedal 6 by regulating shaft 45 designs, for the enforcement structure arranging two the camera lens modules 3 in left and right such as shown in Fig. 3 to Fig. 5 and Fig. 7, synchronous drive mechanism as shown in Figure 6 a can be adopted, this synchronous drive mechanism is each side configuring two engaged wheels 43, the push pedal 6 of the push pedal 6 of corresponding left side camera lens module 3 and corresponding right side camera lens module 3 is connected with two regulating shaft 45 threaded engagement respectively, and display module 2 is connected with four regulating shaft 45 threaded engagement; Implementing structure for this kind also can make the push pedal of the same one-level of corresponding two camera lens modules 3 (in the enforcement structure arranging at least two lens assemblies 31, " same to one-level " herein refers to the push pedal of the identical lens assembly 31 for installing two camera lens modules 3) be connected to form an entirety, the anti-rotation that also can be realized between push pedal 6 and installing plate 42 by the synchronous drive mechanism of Fig. 6 b and Fig. 6 c is like this designed, but this kind of one-piece construction be relatively in same level two push pedals separately independently Split type structure may reduce space availability ratio because of carrying out the design of motion anti-interference.For the enforcement structure arranging a camera lens module 3, can adopt as any one synchronous drive mechanism in Fig. 6 a, Fig. 6 b and Fig. 6 c, and the quantity of regulating shaft 45 is more, distribution is more even, rectilinear motion is more stable.
Embodiment 4:
Micro-projection device of the present utility model can configure a camera lens module 3 and carry out two dimensional surface display, also a left side can be configured, right two camera lens modules 3 carry out 3 D stereo display, this requires that display module 2 has a left side accordingly, right two viewing areas, left in configuration, in the enforcement structure of right two camera lens modules 3, all interpupillary distances are adapted to better in order to enable micro-projection device of the present utility model, a left side can be made, right two camera lens modules 3 and with push pedal 6 sliding connection in left-right direction corresponding separately, to make a left side, right two camera lens modules 3 can slide in the lateral direction in relatively corresponding push pedal 6, and then make to realize interpupillary distance and regulate and become possibility, on this basis, the interpupillary distance that micro-projection device of the present utility model also comprises for driving two camera lens modules 3 to slide in left-right direction regulates module, and wherein, left and right directions and fore-and-aft direction are orthogonal in the horizontal plane.
This interpupillary distance regulates module can comprise interpupillary distance and regulates thumb wheel, the gear regulating thumb wheel to drive by interpupillary distance, and two tooth bars be all meshed with this gear, wherein, this interpupillary distance regulates thumb wheel to be arranged on any one push pedal 6 for installing any one camera lens module 3 rotatably by rotating shaft, and the direction of rotating shaft is the vertical direction orthogonal with front and back and left and right directions, this gear is fixedly mounted in rotating shaft, one of them tooth bar is on front side of gear and gears meshing, another tooth bar is on rear side of gear and gears meshing, and one of them tooth bar is fixedly mounted on the camera lens module 3 in left side, another tooth bar is fixedly mounted on the camera lens module 3 on right side.Like this, user regulates thumb wheel that two camera lens modules 3 can be driven to move in opposite directions or dorsad in the lateral direction along corresponding push pedal 6, with the interpupillary distance of adjustable lens module 3 by stirring interpupillary distance.
Above-mentioned interpupillary distance regulates module that two camera lens modules 3 only can be driven to move in opposite directions or dorsad, therefore, still there is certain application limitation, in order to expand the interpupillary distance scope of application of the utility model camera lens module further, this interpupillary distance regulates module can comprise two cover interpupillary adjustment mechanism, to drive the camera lens module 3 in left side to slide in left-right direction by a set of interpupillary adjustment mechanism, and driving the camera lens module 3 on right side to slide in left-right direction by another set of interpupillary adjustment mechanism, such user just can regulate separately two camera lens modules 3.This interpupillary adjustment mechanism such as can adopt above-mentioned interpupillary distance to regulate thumb wheel by gear driven tooth bar, and then the structure driving corresponding camera lens module 3 to slide, also two interpupillary distances that arrange as shown in figure 1 to figure 13 can be adopted to regulate slider 7a, 7b, and make two interpupillary distances regulate the corresponding structure be directly fixed together with the camera lens module 3 in left side and the camera lens module 3 on right side of slider 7a, 7b, like this, user just can be driven by interpupillary distance adjustment slider 7a, the 7b promoting to expose via outer cover 1 and slide in the lateral direction along corresponding push pedal 6 with the camera lens module 3 be connected separately.
In order to realize adjusting the electrodeless adjustment of band damping sense of interpupillary distance or classification increment, this interpupillary adjustment mechanism also can comprise slide assemblies and locked component, wherein, slide assemblies comprises the sliding part be fixedly connected with corresponding camera lens module 3 and the interpupillary distance be fixedly connected with sliding part regulates slider, and this interpupillary distance regulates slider to be exposed by outer cover 1; Locked component comprises lock piece and elastic component, and lock piece is arranged in the push pedal 6 of corresponding camera lens module 3 by elastic component, and the surface of this sliding part to be provided with lock piece suitable arrange in left-right direction one and to arrange lock groove.Like this, when user promotes interpupillary distance adjustment slider, sliding part can be driven to slide in left-right direction, like this, need the effect of the urging force slided at sliding part under, lock groove will by lock piece compression elastic piece, and then make lock piece depart from lock groove, realize unblock; When sliding part moves to the position making lock piece relative with the next lock groove in thrust direction, lock piece just can stretch into next lock groove under the effect of elastic component, realizes locking.
For the ease of lock piece is imported in lock groove, and lock piece is derived from lock groove, the surface of this lock groove can form guiding surface, the section on perpendicular of such as this lock groove can be " V " font, semicircle etc., this perpendicular is parallel with left and right directions, the plane vertical with fore-and-aft direction.
Embodiment 5:
When micro-projection device of the present utility model does not have interpupillary distance regulatory function, above-mentioned camera lens module 3 can directly and push pedal 6 be such as fixed together by bolt etc., also can be one-body molded as a whole with push pedal 6, to realize the object be fixedly mounted in the longitudinal direction by camera lens module 3 in push pedal 6.In order to without the need to being fixed together in the longitudinal direction in camera lens module 3 and push pedal 6 by any web member, as shown in Fig. 5 to Figure 13, this camera lens module 3 can arrange two relative in the longitudinal direction engaging lug 3a5 on the correspondence position of module lens barrel 3a, and make push pedal 6 insert between two corresponding engaging lug 3a5, with limit push pedal 6 relatively camera lens module 3 move in the longitudinal direction, and then to realize not by object that camera lens module 3 and push pedal 6 are fixed together by any web member in the longitudinal direction.
Another advantage of this kind of syndeton is to be convenient to the object realizing camera lens module 3 and corresponding push pedal 6 sliding connection in left-right direction in conjunction with above-described embodiment 4, and these need make push pedal 6 and a pair corresponding engaging lug 3a5 sliding connection in left-right direction.In addition, following structure such as can also be adopted to realize between camera lens module 3 with push pedal 6 being fixedly connected with and sliding connection in the lateral direction in the longitudinal direction, be specially: push pedal 6 has the chute extended in left-right direction, camera lens module 3 has slide block, this slide block is along the longitudinal direction through chute, and with chute sliding connection in left-right direction, then limit the relative push pedal of slide block with the plug that push pedal 6 surface offsets slide along the longitudinal direction by installing for slide block.
Embodiment 6:
In order to make micro-projection device of the present utility model, there is higher dust-proof grade, as shown in Fig. 5 to Figure 13, can between the open front edge 3c of the module lens barrel 3a of camera lens module 3 and the viewing area frame (viewing area frame is the position being positioned at viewing area periphery showing module 2) of display module 2 dust-proof cushion 51 before sandwiched, and dust-proof cushion 54 after being folded with between the form 9 on the after-opening edge 3d and outer cover 1 of module lens barrel 3a, namely form 9 is positioned at the rear side of camera lens module 3 in the longitudinal direction, lens 3b is encapsulated in by module lens barrel 3a, in the confined space that form 9 and display module 2 surround, and make the viewing area of display module 2 be arranged in this confined space, for this reason, this front dust-proof cushion 51 thickness in the longitudinal direction should make front dust-proof cushion 51 retaining clip when showing module 2 and open front edge 3c spacing along the longitudinal direction reaches maximum be located at the state between viewing area frame and open front edge 3c, and rear dust-proof cushion 8 thickness in the longitudinal direction should make rear dust-proof cushion 8 retaining clip when after-opening edge 3d and form 9 spacing along the longitudinal direction reach maximum be located at the state between after-opening edge 3d and form 9.
Left and right two camera lens modules 3 are comprised for micro-projection device of the present utility model, display module 2 has the enforcement structure of left and right two viewing areas accordingly, at this, two viewing areas realize by one piece of display screen subsection, also realize by two pieces of display screens, following two kinds of modes can be adopted to form above-mentioned confined space:
A kind of is make the module lens barrel 3a of two camera lens modules 3 independent of one another, so that form the airtight module lens barrel 3a of barrel, and then be convenient to form above-mentioned confined space, for this reason, the lens 3b of left side camera lens module 3 is encapsulated in by the module lens barrel 3a of left side camera lens module 3, in the left side confined space that respective side form 9 and display module 2 surround, and viewing area, left side is arranged in confined space on the left of this, the lens 3b of right side camera lens module 3 is encapsulated in the module lens barrel 3a by right side camera lens module 3, in the right side confined space that respective side form 9 and display module 2 surround, and viewing area, right side is arranged in confined space on the right side of this, this kind of mode can realize being in the light between two viewing areas by the module lens barrel 3a of two camera lens modules 3 itself, this kind of embodiment is when the use of interpupillary distance adjustment structure is carried out in combination, the area coverage of open front edge 3c to the corresponding viewing area frame of display module 2 of module lens barrel 3a should be able to meet the requirement of interpupillary distance range of adjustment.
Another kind of as shown in Fig. 5 to Figure 13, make display module 2 that light barrier 21 is set between two viewing areas, the module lens barrel 3a of two camera lens modules 3 is provided with the breach 3a1 suitable with light barrier 21, the breach frame 3a2 of two module lens barrel 3a overlaps on together in the longitudinal direction, to make two module lens barrel 3a mutually through at respective breach frame 3a2 place, and be folded with middle dust-proof cushion 52 between the breach frame 3a2 of two module lens barrel 3a, to seal the crossover position of two module lens barrel 3a, this enforcement structure is equivalent to all lens 3b to be all encapsulated in by display module 2, in the confined space that two forms 9 and two mutually through module lens barrel 3a surround, and two viewing areas are all arranged in this confined space.In order to realize sealing effectiveness, the two ends of this middle dust-proof cushion 52 should be at least concordant with the open front edge 3c of two module lens barrel 3a, with can with front dust-proof cushion 51 close contact, also can link together with front dust-proof cushion 51, reach sealing effectiveness, this kind of embodiment is when being combined with interpupillary distance adjustment structure, and the breach frame 3a2 overlapping width in the lateral direction of two module lens barrel 3a should meet the demand of interpupillary distance range of adjustment.In this embodiment, because two module lens barrel 3a are mutually through at respective breach frame 3a2 place, therefore, the open front edge 3c of two module lens barrel 3a will accept the annular open front edge of formation one mutually, like this, as shown in Figure 5, above-mentioned front dust-proof cushion 51 can adopt the shape suitable with annular open front edge.
In addition, adopt at camera lens module 3 in the enforcement structure be set-located in turn by least two lens assemblies 31, in order to obtain the obturation effect of integral mirror head mould group 3, as shown in Figure 10 to Figure 11, can between adjacent lens assembly 31, between the assembly lens barrel being specially adjacent lens assembly 31, dust ring 7 is installed, and the installation site of this dust ring 7 should make dust ring 7 retaining clip when adjacent lens assembly 31 spacing along the longitudinal direction reaches maximum be located at the state between adjacent lens assembly 31.
Further, for the ease of installing this dust ring 7 and effectively preventing dust ring 7 to roll when adjacent two lens assembly 31 relative slidings even slippage, the assembly lens barrel of a lens assembly 31 in above-mentioned adjacent lens assembly 31 can arrange sealing road, and this dust ring 7 is arranged in corresponding sealing road.Routine operation according to operating personnel is accustomed to, sealing road can be arranged on adjacent lens assembly 31 overlapping sheathed after be positioned at inner side lens assembly 31 assembly lens barrel on.
Above-mentioned front dust-proof cushion 51, middle dust-proof cushion 52, rear dust-proof cushion 54 and dust ring 53 can adopt the material of high resiliency, dust-proof, low friction, such as, can be made up of dustproof foam, nonwoven fabrics, silica gel etc.Above-mentioned front dust-proof cushion 51, middle dust-proof cushion 52, rear dust-proof cushion 54 and dust ring 53 can be single layer structure, also can be at least two-layer stepped construction overlapped together.
Embodiment 7:
Above-mentioned display module 2 and camera lens module 3 range of adjustment in the longitudinal direction, and each lens assembly 31 range of adjustment in the longitudinal direction limits by the length of corresponding thread segment in the enforcement structure to be made up of at least two lens assemblies 31 at camera lens module 3, locating shoulder for limiting different motion portion range of adjustment in the longitudinal direction also can be set in addition on regulating shaft 45, so that realize accurately designing.
Embodiment 8:
Under normal circumstances, micro-projection device is without the need to adjustable lens module 3 position in the vertical direction, this above-below direction is and fore-and-aft direction and all orthogonal direction of left and right directions, therefore, push pedal 6 can be utilized, display module 2, outer cover 1, installing plate 42 grade limits camera lens module 3 degree of freedom in the vertical direction without the part of degree of freedom in the vertical direction, such as directly by being formed coordinating between push pedal 6 with camera lens module 3, lower limit structure, what adopt coordinating between push pedal 6 with camera lens module 3 as shown in Fig. 5 to Figure 13 is upper, in the embodiment of lower open cooperation, realize this to utilize display module 2 and be defined as example, as shown in Fig. 5 to Figure 13, can upper at module lens barrel 3a, lower two flank 3a4 arrange groove 3a3, and arrange on display module 2, lower two limiting plates, limiting plate and corresponding groove 3a3 sliding connection along the longitudinal direction, and sliding connection in left-right direction is also needed in the embodiment possessing interpupillary distance adjustment structure, and then realize by upper, the object that lower two limiting plates restriction camera lens module 3 moves along the vertical direction, in addition on this, lower limit structure can also play the object of the rotational freedom limiting camera lens module 3 in conjunction with the fit structure between push pedal 6 and camera lens module 3.
The corresponding embodiment be directly fixed together with the camera lens module 3 in left side and the camera lens module 3 on right side of slider 7a, 7b is regulated in conjunction with above-mentioned two interpupillary distances that make, interpupillary distance can be made to regulate the flank 3a4 of the module group lens 3a of the camera lens module 3 of slider and respective side to be directly fixed together, interpupillary distance also can be made to regulate the flank 3a4 of the module group lens 3a of the camera lens module 3 of slider and respective side one-body molded.
The equipment that micro-projection device of the present utility model can use on the table for conventional placement, also can be wear-type projector equipment (or being referred to as head mounted display), as wear-type projector equipment, above-mentioned fore-and-aft direction, left and right directions and above-below direction are according to the bearing definition of head-mounted display when using state, be rear in the front of user close to the direction of user's face, the direction away from user's face is front.
For the ease of installing above-mentioned functional module group F, as shown in Figures 1 to 5, above-mentioned outer cover 1 can comprise front shroud 11 and back cover 12, and front shroud 11 and back cover 12 snap together and form outer cover 1.In addition, when micro-projection device of the present utility model is wear-type projector equipment, as depicted in figs. 1 and 2, this micro-projection device can also configure veneer foam 8, to improve comfort.
In addition, the various embodiments described above primary focus describes the difference with other embodiments, but it will be clear for those skilled in the art that the various embodiments described above can be used alone as required or be combined with each other.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (10)
1. a micro-projection device, it is characterized in that, comprise outer cover (1), display module (2), diopter adjustment module (4) and camera lens module (3), described camera lens module (3) is positioned at the rear side of described display module (2) in the longitudinal direction, and is fixedly mounted in push pedal (6) in the longitudinal direction; Described diopter regulates module (4) to comprise installing plate (42), regulating shaft (45) and the adjustment thumb wheel (41) for driving described regulating shaft (45) to rotate, described installing plate (42) is fixedly mounted in described outer cover (1), and described regulating shaft (45) is arranged on described installing plate (42) along the longitudinal direction rotatably; Described display module (2) and described push pedal (6) all limit relative described installing plate (42) and are arranged in described outer cover rotationally, and described display module (2) is connected with vision-control thread segment (452) threaded engagement of described regulating shaft (45), described camera lens module (3) is connected with camera adjusting thread segment (453) threaded engagement of described regulating shaft (45) by described push pedal (6).
2. micro-projection device according to claim 1, it is characterized in that, described camera lens module (3) comprises at least two lens assemblies (31) be set-located in turn from front to back, and sliding connection along the longitudinal direction between adjacent lens assembly (31); Described regulating shaft (45) has the camera adjusting thread segment (453) configured with described lens assembly (31) one_to_one corresponding, described lens assembly (31) is fixedly mounted in corresponding push pedal (6) in the longitudinal direction, and described lens assembly (31) is connected with corresponding camera adjusting thread segment (453) threaded engagement by corresponding push pedal (6).
3. micro-projection device according to claim 2, it is characterized in that, dust ring (7) is installed between adjacent lens assembly (31), and the installation site of dust ring (7) makes dust ring (7) retaining clip when adjacent lens assembly (31) spacing along the longitudinal direction reaches maximum be located at the state between adjacent lens assembly (31).
4. micro-projection device according to claim 2, it is characterized in that, all camera adjusting thread segments of described regulating shaft (45) divide the both sides being located at described installing plate (42) in the longitudinal direction, and described installing plate (42) has the opening (421) passed for described camera lens module (3).
5. the micro-projection device according to claim 2,3 or 4, it is characterized in that, adjacent two described camera adjusting thread segments (453) are different, and described vision-control thread segment (452) is different with the camera adjusting thread segment (452) adjacent from described vision-control thread segment (452).
6. micro-projection device according to claim 5, it is characterized in that, described camera lens module (3) comprises two lens assemblies (31), wherein, the lens assembly (31) of contiguous described display module (2) is recessed lens assembly (31a), another lens assembly (31) is convex lens assembly (31b), the camera adjusting thread segment (453) of corresponding described recessed lens assembly (31a) is recessed camera adjusting thread segment (453a), the camera adjusting thread segment (453) of corresponding described convex lens assembly (31b) is convex lens adjustment thread segment (453b), described recessed camera adjusting thread segment (453a) regulates thread segment (453b) to have different rotation directions from described convex lens, and described recessed camera adjusting thread segment (453a) has identical rotation direction and different pitch from described vision-control thread segment (452).
7. micro-projection device according to any one of claim 1 to 4, it is characterized in that, the quantity of described regulating shaft (45) makes described push pedal (6) be connected with camera adjusting thread segment (453) threaded engagement of at least two regulating shafts (45), be arranged in described outer cover (1) rotationally to realize the relatively described installing plate (42) of described push pedal (6) restriction, and described display module (2) is connected with vision-control thread segment (452) threaded engagement of at least two regulating shafts (45), be arranged on rotationally in described outer cover (1) to realize the relatively described installing plate (4) of described display module (2) restriction.
8. micro-projection device according to any one of claim 1 to 4, it is characterized in that, described adjustment thumb wheel (41) drives described regulating shaft (45) to rotate by synchronous drive mechanism, the engaged wheel (43) that described synchronous drive mechanism comprises driving wheel (44) and driven by described driving wheel (44), described driving wheel (44) is fixedly mounted in the rotating shaft of described adjustment thumb wheel (41), described engaged wheel (43) and described regulating shaft (45) one_to_one corresponding configure, and described engaged wheel is fixedly mounted on corresponding regulating shaft (45).
9. micro-projection device according to any one of claim 1 to 4, it is characterized in that, described micro-projection device comprises two the camera lens modules (3) in left and right, and described display module (2) has left and right two viewing areas that arrange corresponding to left and right two camera lens modules (3); Described camera lens module (3) and corresponding push pedal (6) sliding connection in left-right direction; The interpupillary distance that described micro-projection device also comprises for driving described two camera lens modules (3) to slide in left-right direction regulates module.
10. micro-projection device according to any one of claim 1 to 4, it is characterized in that, described camera lens module (3) comprises module lens barrel (3a) and is arranged on the lens (3b) in described module lens barrel (3a), front dust-proof cushion (51) is folded with between the open front edge (3c) of described module lens barrel (3a) and the viewing area frame of described display module (2), and be folded with rear dust-proof cushion (54) between form (9) on the after-opening edge (3d) of described module lens barrel (3a) and described outer cover (1), described lens (3b) are encapsulated in by described module lens barrel (3a), in the confined space that form (9) and display module (2) surround, and the viewing area of described display module (2) is arranged in described confined space, described front dust-proof cushion (51) thickness in the longitudinal direction makes described front dust-proof cushion (51) retaining clip when described display module (2) and described open front edge (3c) spacing along the longitudinal direction reach maximum be located at the state between described viewing area frame and described open front edge (3c), and when described rear dust-proof cushion (8) thickness in the longitudinal direction makes described rear dust-proof cushion (8) opening edge reaches maximum along (3d) and described form (9) spacing along the longitudinal direction in the rear, retaining clip is located at the state between described after-opening edge (3d) and described form (9).
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| CN201520365714.2U CN204679715U (en) | 2015-05-29 | 2015-05-29 | A kind of micro-projection device |
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| CN201520365714.2U CN204679715U (en) | 2015-05-29 | 2015-05-29 | A kind of micro-projection device |
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