CN110333603A - A kind of astigmatism angle and sighting distance regulating mechanism and a kind of HMD device component - Google Patents
A kind of astigmatism angle and sighting distance regulating mechanism and a kind of HMD device component Download PDFInfo
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- CN110333603A CN110333603A CN201910722925.XA CN201910722925A CN110333603A CN 110333603 A CN110333603 A CN 110333603A CN 201910722925 A CN201910722925 A CN 201910722925A CN 110333603 A CN110333603 A CN 110333603A
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- fixed plate
- fixed
- ring
- bevel gear
- regulating mechanism
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
Abstract
The present invention provides a kind of astigmatism angle and sighting distance regulating mechanisms, comprising: sighting distance adjusts component, astigmatism angular adjustment component and lens subassembly；It includes the first fixed plate, the second fixed plate and third fixed plate that the sighting distance, which adjusts component, and second fixed plate is between first fixed plate and the third fixed plate；The astigmatism angular adjustment component is fixed in first fixed plate；The astigmatism angular adjustment component includes diverging lens circle for installing astigmatic lens and the first fixed ring to match with the diverging lens circle, first fixed ring is fixedly connected with first fixed plate, and first fixed ring is located at the side far from second fixed plate of first fixed plate；The diverging lens circle and first fixed ring pass through magnetic attracting.The angle that this astigmatism angle and sighting distance regulating mechanism can adjust astigmatic lens makes the astigmatism angle of itself and user's eyeball match, and can adjust the screen of HMD device to the distance of user's eyeball.
Description
Technical field
The present invention relates to wearable device field more particularly to a kind of astigmatism angle and sighting distance regulating mechanisms and a kind of HMD
Apparatus assembly.
Background technique
Astigmatism is the ametropia normal performance of one kind of eyes, related with the radian of cornea.After parallel rays enters intraocularly, by
In eyeball, refractive power is differed on different meridians, cannot be gathered in a bit, cannot also be formed clearly image, such case
Referred to as astigmatism.Astigmat needs to wear cylindrical lens, could be formed on the retina clearly as
Current HMD(head-mounted display) equipment usage scenario it is more and more, astigmat use this equipment when need
To install astigmatic lens (cylindrical lens) additional in equipment can just see clearly picture, it is contemplated that astigmatism is that have astigmatism angle
, and the astigmatism angle of different astigmat be it is different, HMD device in the prior art can not easily adjust astigmatic lens
Angle, it is very unfriendly to astigmat.
Therefore, it is necessary to be improved to existing technology.
Summary of the invention
The technical problem to be solved by the present invention is can not easily adjust astigmatism angle to solve existing HMD device
The problem of.The present invention provides a kind of astigmatism angle and sighting distance regulating mechanisms and a kind of HMD device component to solve the above problems.
The technical solution adopted by the present invention to solve the technical problems is:
Sighting distance adjusts component, astigmatism angular adjustment component and lens subassembly；
It includes the first connecting column, the second connecting column and motor that the sighting distance, which adjusts component,；
The both ends of first connecting column are respectively fixed with a first bevel gear；
The first roller gear is fixed on the output shaft of the motor, first roller gear is mutually nibbled with the second roller gear
It closes, the second Cylinder Gear wheel case is scheduled on first connecting column；
The both ends of second connecting column are respectively fixed with a second bevel gear；
Third hand tap gear, first connecting column first end on first bevel gear and second connecting column first end
Second bevel gear three in portion is intermeshed, and their central axis is vertical two-by-two；
4th bevel gear is meshed with the first bevel gear on the second end of first connecting column；5th bevel gear with it is described
Second bevel gear on the second end of second connecting column is meshed；
The axis of the third hand tap gear, the 4th bevel gear and the 5th bevel gear three is parallel to each other and described
Third hand tap gear, the 4th bevel gear and the 5th bevel gear are coaxially fixed with the first screw rod；
It further includes the first fixed plate, the second fixed plate and third fixed plate, second fixed plate position that the sighting distance, which adjusts component,
Between first fixed plate and the third fixed plate；First connecting column, second connecting column and the motor
It is respectively positioned between first fixed plate and second fixed plate；
The motor is fixedly connected with first fixed plate, and one end of first screw rod and first fixed plate can be rotated
Ground connection, the other end of first screw rod are rotatably coupled with the third fixed plate；
Opened up in second fixed plate there are three the first threaded hole, three first threaded holes respectively with three described first
Screw flight cooperation；
The astigmatism angular adjustment component is fixed in first fixed plate；
The astigmatism angular adjustment component includes diverging lens circle for installing astigmatic lens and matches with the diverging lens circle
The first fixed ring, first fixed ring is fixedly connected with first fixed plate, and first fixed ring is located at described the
The side far from second fixed plate of one fixed plate；
The diverging lens circle and first fixed ring pass through magnetic attracting.
Preferably, being fixed with multiple first magnets on the diverging lens circle, multiple first magnets are evenly distributed on
With the diverging lens circle on the first coaxial circumference；
Multiple second magnets are fixed in first fixed ring, multiple second magnets are evenly distributed on to be consolidated with described first
Determine on the second coaxial circumference of ring；
First magnet is consistent with the number of second magnet, and magnetic fitting correspondingly.
Preferably, the diverging lens circle is marked with position mark away from first fixed ring on one side.
Preferably, offering first through hole in first fixed plate, the edge of the first through hole is to away from described
The side of second fixed plate is extended with a circle mounting ring；
First fixed ring is extended with multiple first buckles on one side, and another side stretches out restraining position ring block, the diverging lens circle
At least part is protruded into the stop collar and be can be rotated, the outer circle of the part for protruding into the stop collar of the diverging lens circle
All inner peripherys with the stop collar match；
The mounting ring offers multiple first button holes, and first buckle is corresponded with first button hole and is mutually engaged
It closes；
Second magnet is fixed on the one side with the stop collar of first fixed ring, and second magnet position
In in the stop collar.
Preferably, the diverging lens circle includes the first ring and the second ring, it is recessed in the one side of second ring
There are fitting groove, the inner periphery that extends radially to through second ring of the fitting groove along second ring；
The excircle protrusion of the astigmatic lens has the assembly protrusion to match with the fitting groove, and the astigmatic lens are located at institute
It states in the second ring and assembly protrusion is embedded in the fitting groove；
First ring is coaxially fixed with second ring and the one side with the fitting groove of second ring
It is bonded with first ring；
First magnet is fixed on the one side away from second ring of first ring.
Preferably, the lens subassembly includes shade, the end of the shade axially extended has multiple along its
Two buckles, the inner wall of the mounting ring offer multiple second button holes, and second buckle is corresponded with second button hole
And it is mutually interlocked；
The shade extends from first fixed plate to second fixed plate.
Preferably, the third hand tap gear, the 4th bevel gear and the 5th bevel gear cover be scheduled on three first rotating shafts respectively
On, one end of the first rotating shaft is fixed with first screw coaxial, and the other end rotationally connects with first fixed plate
It connects.
Preferably, it further includes the 4th fixed plate that the sighting distance, which adjusts component, opened up in the 4th fixed plate there are three
Second through-hole, three first screw rods are each passed through second through-hole；
The notch passed through suitable for the shade is offered in 4th fixed plate；The shade passes through the notch；
4th fixed plate is between first fixed plate and second fixed plate, the first bevel gear, second
Bevel gear, third hand tap gear, the 4th bevel gear are respectively positioned between first fixed plate and the 4th fixed plate；
4th fixed plate is extended with the first fixed column towards first fixed plate on one side, first fixed plate
It is equipped with the first lug boss towards the one side of the 4th fixed plate, is offered and first fixed column on first lug boss
The first mounting hole to match, first fixed column are plugged in first mounting hole；
4th fixed plate is extended with the second fixed column towards the third fixed plate on one side, the third fixed plate
It is equipped with the second lug boss towards the one side of the 4th fixed plate, is offered and second fixed column on second lug boss
The second mounting hole to match, second fixed column are plugged in second mounting hole.
Preferably, being fixed with display screen in second fixed plate, the display screen is arranged towards the lens subassembly；
The lens subassembly further includes Fresnel lenses, and the Fresnel lenses are mounted in the mounting ring；The Fresnel
Eyeglass is between first button hole and second button hole.
The present invention also provides a kind of HMD device components, it is characterised in that:
Including two astigmatism angles and sighting distance regulating mechanism as noted earlier, respectively left eye regulating mechanism and right eye adjusts machine
Structure, the left eye regulating mechanism and right eye regulating mechanism mirror surface are symmetrical；
The HMD device component further includes interpupillary adjustment mechanism, the interpupillary adjustment mechanism include the first rack gear, the second rack gear,
Third roller gear, the second screw rod and runner,
First rack gear is fixed on the right side edge of first fixed plate on the left side and stretches to first fixed plate on the right, and described the
Two rack gears are fixed on the left side edge of first fixed plate on the right and stretch to first fixed plate on the left side；The third roller gear
It is engaged with first rack gear and second rack gear；
The edge of the 4th fixed plate of the left eye regulating mechanism or right eye regulating mechanism has the second threaded hole, institute
The axis for stating the second threaded hole extends from left to right, and one end of second screw rod is protruded into second threaded hole with described
Two threaded holes are threadedly engaged, and the other end is coaxially fixed with the runner；
The length direction of first rack gear and second rack gear is parallel with the axis direction of second threaded hole.
The invention has the advantages that the angle that this astigmatism angle and sighting distance regulating mechanism can adjust astigmatic lens makes
The astigmatism angle of itself and user's eyeball matches, and can adjust the screen of HMD device to the distance of user's eyeball.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 2 is the structural schematic diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 3 is the partial structural diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 4 is the partial structural diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 5 is the partial structural diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 6 is the partial structural diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 7 is the partial structural diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 8 is confined explosion's schematic diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Fig. 9 is confined explosion's schematic diagram of a kind of astigmatism angle of the present invention and sighting distance regulating mechanism optimum embodiment.
Figure 10 is that a kind of structural schematic diagram of HMD device component optimum embodiment of the present invention (do not show in figure by the second fixed plate
Out).
Figure 11 is a kind of partial structural diagram of HMD device component optimum embodiment of the present invention.
1, sighting distance adjusting component in figure, the 101, first connecting column, 1011, first bevel gear, the 1012, second roller gear,
102, the second connecting column, 1021, second bevel gear, 103, motor, the 1031, first roller gear, 1041, third hand tap gear,
1042, the 4th bevel gear, the 1043, the 5th bevel gear, the 1044, first screw rod, 1045, first rotating shaft, the 105, first fixed plate,
1051, first through hole, 1052, mounting ring, the 1053, first button hole, the 1054, second button hole, the 106, second fixed plate, 107, third
Fixed plate, the 1071, first fixed column, the 1072, first mounting hole, the 1073, second fixed column, 108, gap, the 109, the 4th is fixed
Plate, 2, astigmatism angular adjustment component, 202, position mark, the 2011, first ring, the 2012, second ring, 2013, fitting groove,
2014, wave heave ring, 203, astigmatic lens, 2031, assembly protrusion, the 204, first fixed ring, the 205, first buckle, 206, limit
Position ring, 3, lens subassembly, 301, shade, the 302, second buckle, 303, Fresnel lenses, 401, left eye regulating mechanism, 402,
Right eye regulating mechanism, the 501, first rack gear, the 502, second rack gear, 503, third roller gear, the 504, second screw rod, 505, turn
Wheel.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ",
The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in description of the invention
In, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Fig. 1 ~ 9, the present invention provides a kind of astigmatism angle and sighting distance regulating mechanisms, comprising:
Sighting distance adjusts component 1, astigmatism angular adjustment component 2 and lens subassembly 3.
It includes the first connecting column 101, the second connecting column 102 and motor 103 that sighting distance, which adjusts component 1,.
The both ends of first connecting column 101 are respectively fixed with a first bevel gear 1011.
The first roller gear 1031, the first roller gear 1031 and the second Cylinder Gear are fixed on the output shaft of motor 103
Wheel 1012 is meshed, and the second 1012 sets of roller gear is scheduled on the first connecting column 101.
The both ends of second connecting column 102 are respectively fixed with a second bevel gear 1021.
Third hand tap gear 1041, the first connecting column 101 first end on first bevel gear 1011 and the second connecting column
1021 three of second bevel gear on 102 first end is intermeshed, and their central axis is vertical two-by-two.
4th bevel gear 1042 is meshed with the first bevel gear 1011 on the second end of the first connecting column 101；5th
Bevel gear 1043 is meshed with the second bevel gear 1021 on the second end of the second connecting column 102.
The axis of third hand tap gear 1041, the 4th bevel gear 1042 and 1043 three of the 5th bevel gear is parallel to each other, and
Third hand tap gear 1041, the 4th bevel gear 1042 and the 5th bevel gear 1043 are coaxially fixed with the first screw rod 1044.
It further includes the first fixed plate 105, the second fixed plate 106 and third fixed plate 107 that sighting distance, which adjusts component 1,；First connects
Column 101, the second connecting column 102 and motor 103 is connect to be respectively positioned between the first fixed plate 105 and the second fixed plate 106.
Motor 103 is fixedly connected with the first fixed plate 105, and one end of the first screw rod 1044 can turn with the first fixed plate 105
It connects dynamicly, the other end and the third fixed plate 107 of the first screw rod are rotatably coupled.
Opened up in second fixed plate 106 there are three the first threaded hole, three the first threaded holes respectively with three the first screw rods
1044 are threadedly engaged.
Astigmatism angular adjustment component 2 is fixed in first fixed plate 105.
Astigmatism angular adjustment component 2 includes diverging lens circle for installing astigmatic lens 203 and matches with diverging lens circle
The first fixed ring 204, the first fixed ring 204 is fixedly connected with the first fixed plate 105, and it is solid that the first fixed ring 204 is located at first
The side far from the second fixed plate 106 of fixed board 105.
Diverging lens circle and the first fixed ring 204 pass through magnetic attracting.
This astigmatism angle and sighting distance regulating mechanism have the function of adjusting sighting distance, be equipped in the second fixed plate 106
Display screen, astigmatic lens 203 are equipped at diverging lens circle, and user watches the content on display screen, electricity through astigmatic lens 203
Machine 103 rotation drive the first connecting column 101 rotation, by gear drive make the first screw rod 1044 be driven, and then drive and its
The second fixed plate 106 for being threadedly engaged is mobile so that the second fixed plate 106 close to far from the first fixed plate 105.Just can at this time
The distance between display screen and human eye are enough adjusted, allows user that can adjust oneself comfortable state.
Meanwhile this diverging lens circle is bonded with 204 magnetism of the first fixed ring, user rotates diverging lens circle energy with hand
Enough so that diverging lens circle axially rotates, since astigmatic lens 203 are fixedly mounted in diverging lens circle, so astigmatic lens
203 rotate synchronously with diverging lens circle, and user can easily adjust the astigmatism angle of this astigmatic lens 203 as a result,
So that the astigmatism angle automatching of the astigmatism angle of astigmatic lens 203 and oneself eye.
In the particular embodiment, multiple first magnets are fixed on diverging lens circle, multiple first magnets are evenly distributed on
On the first circumference coaxial with diverging lens circle.
Multiple second magnets are fixed in first fixed ring 204, multiple second magnets are evenly distributed on and the first fixed ring
On 204 the second coaxial circumference.
First magnet is consistent with the number of the second magnet, and magnetic fitting correspondingly.
Since multiple first magnets are generally evenly distributed on the first circumference, on the first circumference, adjacent two
Between first magnet folded circular arc pair round angle angle it is equal, similarly, the second adjacent magnet is on the second circumference
Folded circular arc pair central angle angle it is equal.When rotating diverging lens circle, due to the attraction of magnet, diverging lens
Circle can using two adjacent the first magnets circular arc folded on the first circumference pair the angle of round angle turn as minimum unit
It is dynamic, in this way the angle that oneself diverging lens circle turns over can be perceived convenient for user.
In the particular embodiment, diverging lens circle away from first fixed ring 204 is marked with position mark 202 on one side.
Position mark is kick or the lines marked on diverging lens circle, observes diverging lens circle convenient for user and has turned
Dynamic angle.
In the particular embodiment, first through hole 1051, the edge of first through hole 1051 are offered in the first fixed plate 105
A circle mounting ring 1052 is extended with to the side away from the second fixed plate 106.
First fixed ring 204 is extended with multiple first buckles 205 on one side, and another side stretches out restraining position ring block 206, diverging lens
A part of circle is protruded into stop collar 206 and be can be rotated, and diverging lens circle protrude into the excircle of the part of stop collar 206 with
The inner periphery of stop collar 206 matches.
Mounting ring 1052 offers multiple first button holes 1053, the first buckle 205 and the first one-to-one correspondence of button hole 1053 and
Mutually it is interlocked.
Second magnet is fixed on the one side with stop collar 206 of the first fixed ring 204, and the second magnet is located at limit
In ring 206.
First fixed ring 204 is detachably mounted to the with the structure of button hole (or public buckle with master card button) by buckling
In one fixed plate 105, stop collar 206 is used to limit the position of diverging lens circle, reduces diverging lens circle and falls because external force is touched
Probability.
In the particular embodiment, diverging lens circle and the mounting means of astigmatic lens 203 are as follows:
Diverging lens circle includes the first ring 2011 and the second ring 2012, and recess has fitting groove in the one side of the second ring 2012
2013, the inner periphery that extends radially to through second ring 2012 of the fitting groove 2013 along the second ring 2012.
The excircle protrusion of astigmatic lens 203 has the assembly protrusion 2031 to match with fitting groove 2013, astigmatic lens 203
In the second ring 2012 and assemble in 2031 insertion fitting groove 2013 of protrusion.
First ring 2011 and the second ring 2012 are coaxial fixed and the second ring 2012 with fitting groove 2013
It is bonded on one side with the first ring 2011.
First magnet is arranged in the first ring 2011
First magnet is fixed on the one side away from the second ring 2012 of the first ring 2011, and position mark 202 is arranged second
The edge protuberance of the one side away from the first ring 2011 of ring 2012, the second circle circle has a circle wave heave ring 2014, waveform
Protruding ring 2014 is outer edge ring in wave shape, and wave heave ring 2014 is used to increase the frictional force between manpower, make
User is obtained convenient for rotation Jing Quan.
In the particular embodiment, lens subassembly 3 includes shade 301, and the end of shade 301 axially extended has along its
Multiple second buckles 302, the inner wall of mounting ring 1052 offer multiple second button holes 1054, the second buckle 302 and the second button hole
1054 correspond and are mutually interlocked.Shade 301 extends from the first fixed plate 105 to the second fixed plate 106.Shade 301
For blocking the light from surrounding, guarantee the effect of viewing.
In the particular embodiment, third hand tap gear 1041, the 4th bevel gear 1042 and the 5th bevel gear 1043 cover respectively
It is scheduled in three first rotating shafts 1045, one end of first rotating shaft 1045 and the first screw rod 1044 are coaxial fixed, the other end and first
Fixed plate 105 is rotatably coupled.First rotating shaft 1045 and the first screw rod 1044 are also possible to integral structure.
In the particular embodiment, it further includes the 4th fixed plate 109 that sighting distance, which adjusts component 1, is opened up in the 4th fixed plate 109
There are three the second through-hole, three first screw rods 1044 are each passed through the second through-hole.
The notch passed through suitable for shade 301 is offered in 4th fixed plate 109, shade 301 passes through notch.
4th fixed plate 109 is between the first fixed plate 105 and the second fixed plate 106, first bevel gear 1011, second
Bevel gear 1021, third hand tap gear 1041, the 4th bevel gear 1042 be respectively positioned on the first fixed plate 105 and the 4th fixed plate 109 it
Between.
The first fixed plate 105 of direction of 4th fixed plate 109 is extended with the first fixed column 1071, the first fixed plate on one side
The one side of 105 the 4th fixed plate 109 of direction is equipped with the first lug boss, offers and the first fixed column 1071 on the first lug boss
The first mounting hole 1072 to match, the first fixed column 1071 are plugged in the first mounting hole 1072.
4th fixed plate 109 is extended with the second fixed column 1073, third fixed plate towards third fixed plate 107 on one side
The one side of 107 the 4th fixed plate 109 of direction is equipped with the second lug boss, offers and the second fixed column 1073 on the second lug boss
The second mounting hole to match, the second fixed column 1073 are plugged in the second mounting hole.
The second fixed plate 106 that 4th fixed plate 109 will move is separated with bevel gear and connecting column, is played to them
The effect of protection.
In the particular embodiment, display screen is fixed in the second fixed plate 106, display screen is arranged towards lens subassembly 3.
Lens subassembly 3 further includes Fresnel lenses 303, and Fresnel lenses 303 are mounted in mounting ring 1052.First button hole 1053 is located at
The side far from the second fixed plate 106 of Fresnel lenses 303, the second button hole 1054 are located at close the of Fresnel lenses 303
The side of two fixed plates 106, i.e. Fresnel lenses 303 are between the first button hole 1053 and the second button hole 1054.
The thickness and weight and volume of lens can be reduced using Fresnel lenses 303.
Astigmatism angle and sighting distance regulating mechanism in the present embodiment are for left eye, therefore in order to which the nose to user stays
Down space, the first fixed plate 105, the first fixed ring 204, mounting ring 1052 and shade 301 there are gap 108 in the lower right corner.
It should be noted that if this astigmatism angle and sighting distance regulating mechanism are used for right eye, the lower left corner of corresponding component is stayed
There is gap 108.
As shown in Figure 10 ~ 11, the present invention also provides a kind of HMD device components, comprising:
Including two astigmatism angles and sighting distance regulating mechanism as noted earlier, respectively and left eye regulating mechanism 401 and right eye are adjusted
Mechanism 402, left eye regulating mechanism 401 and 402 mirror surface of right eye regulating mechanism are symmetrical.
HMD device component further includes interpupillary adjustment mechanism, and interpupillary adjustment mechanism includes the first rack gear 501, the second rack gear
502, third roller gear 503, the second screw rod 504 and runner 505.
First rack gear 501 is fixed on the right side edge of first fixed plate 105 on the left side and stretches to first fixed plate on the right
105, the second rack gear 502 fixes the left side edge with first fixed plate 105 on the right and stretches to first fixed plate 105 on the left side.
Third roller gear 503 is engaged with the first rack gear 501 and the second rack gear 502.
The right side edge of 4th fixed plate 109 of right eye regulating mechanism 401 offers the second threaded hole, the second threaded hole
Axis extends from left to right, and one end of the second screw rod 504 is protruded into the second threaded hole to be threadedly engaged with the second threaded hole, the other end
Coaxially it is fixed with runner 505.
The length direction of first rack gear 501 and the second rack gear 502 is parallel with the axis direction of the second threaded hole.
It should be noted that the second threaded hole can also be provided with the left side of the 4th fixed plate 109 of left eye regulating mechanism 402
Edge.
This HMD device component can adjust interpupillary distance, can adjust left eye regulating mechanism 401 and right eye regulating mechanism
The distance between 402, adjusting method is as follows: rotating wheel 505, and the 4th fixed plate 109 on the right is mobile to drive the first of the right
Fixed plate 105 is mobile, and the second rack gear 502 is mobile, and third roller gear 503 rotates, and the first rack gear 501 is mobile to drive the of the left side
One fixed plate 105 is mobile, to realize the change of distance between left eye regulating mechanism 401 and right eye regulating mechanism 402.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, not to the schematic representation of the term
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of astigmatism angle and sighting distance regulating mechanism characterized by comprising
Sighting distance adjusts component (1), astigmatism angular adjustment component (2) and lens subassembly (3)；
It includes the first connecting column (101), the second connecting column (102) and motor (103) that the sighting distance, which adjusts component (1),；
The both ends of first connecting column (101) are respectively fixed with a first bevel gear (1011)；
Be fixed with the first roller gear (1031) on the output shaft of the motor (103), first roller gear (1031) with
Second roller gear (1012) is meshed, and the second roller gear (1012) set is scheduled on first connecting column (101)；
The both ends of second connecting column (102) are respectively fixed with a second bevel gear (1021)；
Third hand tap gear (1041), first connecting column (101) first end on first bevel gear (1011) and described
Second bevel gear (1021) three on the first end of second connecting column (102) is intermeshed, and their central axis two
Two is vertical；
4th bevel gear (1042) mutually nibbles with the first bevel gear (1011) on the second end of first connecting column (101)
It closes；5th bevel gear (1043) is meshed with the second bevel gear (1021) on the second end of second connecting column (102)；
The axis of the third hand tap gear (1041), the 4th bevel gear (1042) and the 5th bevel gear (1043) three
It is parallel to each other, and the third hand tap gear (1041), the 4th bevel gear (1042) and the 5th bevel gear (1043)
Coaxially it is fixed with the first screw rod (1044)；
It further includes the first fixed plate (105), the second fixed plate (106) and third fixed plate that the sighting distance, which adjusts component (1),
(107), second fixed plate is between first fixed plate and the third fixed plate (107)；First connection
Column (101), second connecting column (102) and the motor (103) are respectively positioned on first fixed plate (105) and described second
Between fixed plate (106)；
The motor (103) is fixedly connected with first fixed plate (105), one end of first screw rod (1044) with it is described
First fixed plate (105) is rotatably coupled, and the other end of first screw rod (1044) and the third fixed plate (107) can
Rotationally connect；
Opened up on second fixed plate (106) there are three the first threaded hole, three first threaded holes respectively with three institutes
The first screw rod (1044) is stated to be threadedly engaged；
The astigmatism angular adjustment component (2) is fixed on first fixed plate (105)；
The astigmatism angular adjustment component (2) include diverging lens circle for installing astigmatic lens (203) and with the diverging lens
The first fixed ring (204) to match is enclosed, first fixed ring (204) is fixedly connected with first fixed plate (105), institute
State the side far from second fixed plate (106) that the first fixed ring (204) are located at first fixed plate (105)；
The diverging lens circle and first fixed ring (204) pass through magnetic attracting.
2. a kind of astigmatism angle as described in claim 1 and sighting distance regulating mechanism, it is characterised in that:
Multiple first magnets are fixed on the diverging lens circle, multiple first magnets are evenly distributed on and the diverging lens circle
On the first coaxial circumference；
Be fixed with multiple second magnets on first fixed ring (204), multiple second magnets be evenly distributed on it is described
On the second coaxial circumference of first fixed ring (204)；
First magnet is consistent with the number of second magnet, and magnetic fitting correspondingly.
3. a kind of astigmatism angle as claimed in claim 2 and sighting distance regulating mechanism, it is characterised in that:
The diverging lens circle is marked with position mark (202) away from first fixed ring (204) on one side.
4. a kind of astigmatism angle as claimed in claim 3 and sighting distance regulating mechanism, it is characterised in that:
It is offered first through hole (1051) on first fixed plate (105), the edge of the first through hole (1051) is to deviating from
The side of second fixed plate (106) is extended with a circle mounting ring (1052)；
First fixed ring (204) is extended with multiple first buckles (205) on one side, and another side stretches out restraining position ring block (206),
At least part of the diverging lens circle is protruded into the stop collar (206) and be can be rotated, and the diverging lens circle protrudes into institute
The inner periphery for stating the excircle and the stop collar (206) of the part of stop collar (206) matches；
The mounting ring (1052) offers multiple first button holes (1053), first buckle (205) and first button hole
(1053) it corresponds and is mutually interlocked；
Second magnet is fixed on the one side with the stop collar (206) of first fixed ring (204), and described
Second magnet is located in the stop collar (206).
5. a kind of astigmatism angle as claimed in claim 4 and sighting distance regulating mechanism, it is characterised in that:
The diverging lens circle includes the first ring (2011) and the second ring (2012), in the one side of second ring (2012)
Recess has fitting groove (2013), and the fitting groove (2013) extends radially to along second ring (2012) through described the
The inner periphery of two rings (2012)；
The excircle protrusion of the astigmatic lens (203) has the assembly to match with the fitting groove (2013) raised (2031),
The astigmatic lens (203) are located in second ring (2012) and the assembly raised (2031) is embedded in the fitting groove
(2013) in；
The tool of first ring (2011) and coaxial fixed and described second ring (2012) of second ring (2012)
There is the one side of the fitting groove (2013) to be bonded with first ring (2011)；
First magnet is fixed on the one side away from second ring (2012) of first ring (2011).
6. a kind of astigmatism angle as claimed in claim 5 and sighting distance regulating mechanism, it is characterised in that:
The lens subassembly (3) includes shade (301), and the end of the shade (301) axially extended has multiple along its
Two buckles (302), the inner wall of the mounting ring (1052) offer multiple second button holes (1054), second buckle (302)
It corresponds with second button hole (1054) and is mutually interlocked；
The shade (301) extends from the first fixed plate (105) second fixed plate of Xiang Suoshu (106).
7. a kind of astigmatism angle as claimed in claim 6 and sighting distance regulating mechanism, it is characterised in that:
The third hand tap gear (1041), the 4th bevel gear (1042) and the 5th bevel gear (1043) cover be scheduled on three first respectively
In shaft (1045), one end of the first rotating shaft (1045) is coaxial fixed with first screw rod (1044), the other end and institute
The first fixed plate (105) is stated to be rotatably coupled.
8. a kind of astigmatism angle as claimed in claim 7 and sighting distance regulating mechanism, it is characterised in that:
It further includes the 4th fixed plate (109) that the sighting distance, which adjusts component (1), opened up on the 4th fixed plate (109) there are three
Second through-hole, three first screw rods (1044) are each passed through second through-hole；
The notch passed through suitable for the shade (301) is offered on 4th fixed plate (109)；The shade (301)
Across the notch；
4th fixed plate (109) is described between first fixed plate (105) and second fixed plate (106)
First bevel gear (1011), second bevel gear (1021), third hand tap gear (1041), the 4th bevel gear (1042) are respectively positioned on described
Between first fixed plate (105) and the 4th fixed plate (109)；
4th fixed plate (109) is extended with the first fixed column (1071) towards first fixed plate (105) on one side,
The one side towards the 4th fixed plate (109) of first fixed plate (105) is equipped with the first lug boss, first protrusion
The first mounting hole (1072) to match with first fixed column (1071), first fixed column (1071) are offered in portion
It is plugged in first mounting hole (1072)；
4th fixed plate (109) is extended with the second fixed column (1073) towards the third fixed plate (107) on one side,
The one side towards the 4th fixed plate (109) of the third fixed plate (107) is equipped with the second lug boss, second protrusion
The second mounting hole to match with second fixed column (1073) is offered in portion, second fixed column (1073) is plugged in
In second mounting hole.
9. a kind of astigmatism angle as claimed in claim 8 and sighting distance regulating mechanism, it is characterised in that:
Display screen is fixed on second fixed plate (106), the display screen is arranged towards the lens subassembly (3)；
The lens subassembly (3) further includes Fresnel lenses (303), and the Fresnel lenses (303) are mounted on the mounting ring
(1052) in；The Fresnel lenses (303) are between first button hole (1053) and second button hole (1054).
10. a kind of HMD device component, it is characterised in that:
Astigmatism angle and sighting distance regulating mechanism including two as described in claim 1 ~ 9 any one, respectively left eye are adjusted
Mechanism (401) and right eye regulating mechanism (402), the left eye regulating mechanism (401) and right eye regulating mechanism (402) mirror surface pair
Claim；
The HMD device component further includes interpupillary adjustment mechanism, and the interpupillary adjustment mechanism includes the first rack gear (501), second
Rack gear (502), third roller gear (503), the second screw rod (504) and runner (505),
First rack gear (501), which is fixed on the right side edge of first fixed plate (105) on the left side and stretches to the first of the right, consolidates
Fixed board (105), second rack gear (502) are fixed on the left side edge of first fixed plate (105) on the right and stretch to the left side
First fixed plate (105)；The third roller gear (503) is nibbled with first rack gear (501) and second rack gear (502)
It closes；
The edge of the left eye regulating mechanism (401) or the 4th fixed plate (109) of right eye regulating mechanism (402)
There is the second threaded hole, the axis of second threaded hole extends from left to right, and one end of second screw rod (504) is protruded into described
It is threadedly engaged in second threaded hole with second threaded hole, the other end is coaxially fixed with the runner (505)；
Axis side of the length direction of first rack gear (501) and second rack gear (502) with second threaded hole
To parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722925.XA CN110333603A (en) | 2019-08-06 | 2019-08-06 | A kind of astigmatism angle and sighting distance regulating mechanism and a kind of HMD device component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722925.XA CN110333603A (en) | 2019-08-06 | 2019-08-06 | A kind of astigmatism angle and sighting distance regulating mechanism and a kind of HMD device component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110333603A true CN110333603A (en) | 2019-10-15 |
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ID=68146888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910722925.XA Pending CN110333603A (en) | 2019-08-06 | 2019-08-06 | A kind of astigmatism angle and sighting distance regulating mechanism and a kind of HMD device component |
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| Country | Link |
|---|---|
| CN (1) | CN110333603A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077676A (en) * | 2019-12-10 | 2020-04-28 | 华为技术有限公司 | Astigmatic correction lens, head-mounted display device, and astigmatic correction method |
-
2019
- 2019-08-06 CN CN201910722925.XA patent/CN110333603A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077676A (en) * | 2019-12-10 | 2020-04-28 | 华为技术有限公司 | Astigmatic correction lens, head-mounted display device, and astigmatic correction method |
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