CN104977718A - Head-mounted display - Google Patents
Head-mounted display Download PDFInfo
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- CN104977718A CN104977718A CN201510350169.4A CN201510350169A CN104977718A CN 104977718 A CN104977718 A CN 104977718A CN 201510350169 A CN201510350169 A CN 201510350169A CN 104977718 A CN104977718 A CN 104977718A
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- adjusting mechanism
- slide
- installation portion
- head
- angle adjusting
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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
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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
- G02B27/0179—Display position adjusting means not related to the information to be displayed
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a head-mounted display. The head-mounted display includes a main body portion, an adjusting mechanism, and a head-mounted support for mounting the main body portion to the head of a user. The main body portion includes a display module provided with a display screen. The adjusting mechanism includes an angle adjusting mechanism and a distance adjusting mechanism. The angle adjusting mechanism and the distance adjusting mechanism are connected with each other. The distance adjusting mechanism is fixedly connected to the head-mounted support. The angle adjusting mechanism is fixedly connected to the display module. The angle adjusting mechanism is rotatable. When the angle adjusting mechanism is rotating, the display module rotates to adjust an angle between the display screen of the display module and visual lines of the eyes of the user. The distance adjusting mechanism is movable in a vertical direction. When the distance adjusting mechanism is moving vertically, the display screen of the display module is driven by the angle adjusting mechanism to move, so a distance between the display screen and the eyes of the user is adjusted. According to the technical scheme, the adjusting mechanism is adopted to allow the user to conveniently adjust the angle and the distance, so the head-mounted display adapts to demands of different users, and the use experience of the user is improved.
Description
Technical field
The present invention relates to and wear technical field, be specifically related to head-mounted display.
Background technology
At present, the position of wearing in most of Worn type display series products such as head-mounted display is fixed, and user in use can not regulate head-mounted display.And the existing head-mounted display that can regulate exists complex structure, poor reliability, unhandy shortcoming, the eye feature of different crowd can not be adapted to, have impact on user's visual experience effect.
Summary of the invention
The invention provides a kind of head-mounted display, in order to solve existing head-mounted display or can not regulate, or adjustment structure is complicated, unhandy problem.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of head-mounted display, head-mounted display comprises: main part, governor motion and wear support to user's head for main part being worn;
Main part comprises the display module being provided with display screen;
Governor motion comprises angle adjusting mechanism and distance adjusting mechanism, and wherein, angle adjusting mechanism is connected with distance adjusting mechanism, and distance adjusting mechanism is fixedly attached to wears support, and angle adjusting mechanism is fixedly attached to display module;
Angle adjusting mechanism is rotatable, and when angle adjusting mechanism rotates, display module rotates, and realizes the adjustment of angle between the display screen of display module and eyes of user sight line;
Distance adjusting mechanism is removable in the longitudinal direction, and when distance adjusting mechanism seesaws, drives the display screen motion of display module, realize the adjustment of display screen and eyes of user spacing through angle adjusting mechanism.
Alternatively, distance adjusting mechanism comprises installation portion and slide;
Distance adjusting mechanism by installation portion with wear support and be fixedly connected with;
Side bottom installation portion is provided with the first guide rail in the longitudinal direction, and slide comprises the projection corresponding with the first guide rail;
Slide and installation portion are also provided with detent mechanism, and detent mechanism, when the projection of slide moves to precalculated position in the longitudinal direction along the first guide rail of installation portion, controls projection and is stabilized in precalculated position.
Detent mechanism comprises: with the shell fragment that arranges in installation portion fit area on slide, and be arranged on one or more locating slot that installation portion engages with shell fragment;
Or detent mechanism comprises: with the spring that arranges in installation portion fit area and stopper on slide, and be arranged on one or more locating slot that installation portion engages with stopper;
Or detent mechanism comprises: with the position limiting clamp that arranges in installation portion fit area on slide, and be arranged on the limited post that installation portion clamps with position limiting clamp;
Or detent mechanism is made up of the projection of interference fit and the first guide rail.
Alternatively, protruding top is provided with limited block;
Installation portion is respectively arranged with front apron and backboard in the longitudinal direction, and the parts of baffle plate and backboard in the pre-connection arrange the second guide rail;
Protruding movable along the first guide rail while, limited block moves along the second guide rail, when limited block move forward to contact with front apron time, protruding stopping moves forward, when limited block move backward to contact with backboard time, projection stopping is moved backward.
Alternatively, distance adjusting mechanism comprises: installation portion and I-shaped slide;
Distance adjusting mechanism by installation portion with wear support and be fixedly connected with;
Installation portion center section is provided with first step in the longitudinal direction, and slide comprises the slide plate corresponding with first step and slide block;
Slide plate and slide block match with first step, move in the longitudinal direction along first step, are provided with limited block above slide plate;
Installation portion dual-side fore-and-aft direction is provided with second step, and installation portion is respectively arranged with front apron and backboard in the longitudinal direction;
Slide plate and slide block are along while first step movement, and limited block moves along second step, when limited block move forward to contact with front apron time, slide plate and slide block stop forwards moving; When limited block rearward move to contact with backboard time, slide plate and slide block stop moving backward.
Alternatively, on slide block with the first step fit area of installation portion, be provided with shell fragment, first step be provided with one or more locating slot engaged with shell fragment;
Or, with the spring that arranges in first step fit area and stopper on slide block, first step is provided with one or more locating slot engaged with stopper;
Or, limited post is set on slide block with first step fit area, first step is provided with the position limiting clamp clamped with limited post;
Or, slide block and first step interference fit.
Alternatively, angle adjusting mechanism is provided with rotating shaft;
Rotating shaft connects one end of slide, and angle adjusting mechanism is fixedly connected with distance adjusting mechanism by rotating shaft.
Alternatively, one end being connected to rotating shaft of slide has U-lag, and U-lag is for holding the end of described rotating shaft;
Angle adjusting mechanism rotates with axis of rotation.
Alternatively, angle adjusting mechanism is provided with the first angle limit face and the second angle limit face;
One end that slide is connected to rotating shaft is in the open space that the first angle limit face and the second angle limit face surround, and when angle adjusting mechanism turns to the position that the first angle limit face and slide clamp, angle adjusting mechanism stops operating; When angle adjusting mechanism turns to the position that the second angle limit face and slide clamp, angle adjusting mechanism stops operating.
Alternatively, distance adjusting mechanism also comprises: screw and spring;
Spring housing is contained in the threaded shank of screw, the threaded shank of screw through U-lag, and after the rotating shaft on angle adjusting mechanism is installed to described U-lag, the opening of clamping U-lag; Angle adjusting mechanism is provided with positioning key;
Positioning key inserts in angle adjusting mechanism, and is fixedly connected with the trimming of rotating shaft, realizes rotating shaft and angle adjusting mechanism synchronous axial system.
The invention has the beneficial effects as follows: the present invention by arranging governor motion in head-mounted display, this governor motion comprises angle adjusting mechanism and distance adjusting mechanism, distance adjusting mechanism includes slide and installation portion, indirectly be connected with the display screen of head-mounted display by slide, when such slide moves in the longitudinal direction, the main parts such as the display screen of head-mounted display can move forward and backward along with slide, and coordinate detent mechanism, realize the adjustment of the spacing of the display screen of eyes of user and head-mounted display.In addition, angle adjusting mechanism is provided with in head-mounted display of the present invention, this angle adjusting mechanism is directly connected with display screen, angle adjusting mechanism can rotate, like this when angle adjusting mechanism rotates, the main parts such as driving display screen curtain are rotated along with angle adjusting mechanism, achieve and regulate the angle between display screen and eyes of user sight line to meet the personalized user demand of different user within the scope of certain angle, improve user's experience.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of head-mounted display of one embodiment of the invention;
Fig. 2 is the angular adjustment schematic diagram of a kind of head-mounted display of one embodiment of the invention;
Fig. 3 is the distance adjustment schematic diagram of a kind of head-mounted display of one embodiment of the invention;
Fig. 4 is the structural representation of the governor motion of a kind of head-mounted display of one embodiment of the invention;
Fig. 5 is a kind of angle adjusting mechanism of head-mounted display and the structural representation of slide of one embodiment of the invention;
Fig. 6 is the structural representation of the installation portion of a kind of head-mounted display of one embodiment of the invention;
Fig. 7 is the detent mechanism schematic diagram of one embodiment of the invention;
Fig. 8 is the detent mechanism schematic diagram of one embodiment of the invention;
Fig. 9 a and Fig. 9 b is the interference fit detent mechanism schematic diagram of one embodiment of the invention;
Figure 10 is the mounting structure schematic diagram of the limited block in the distance adjusting mechanism of one embodiment of the invention;
Figure 11 a and Figure 11 b is that the distance adjusting mechanism of one embodiment of the invention moves schematic diagram;
Figure 12 is the stereographic map of the installation portion in the distance adjusting mechanism of one embodiment of the invention;
Figure 13 is the schematic diagram of the governor motion of one embodiment of the invention;
Figure 14 a and Figure 14 b is that the installation portion of one embodiment of the invention coordinates the structural representation of locating with slide;
Figure 15 is the schematic diagram of the angle adjusting mechanism of one embodiment of the invention;
Figure 16 is the schematic diagram of the governor motion of one embodiment of the invention;
Figure 17 is the schematic diagram of the angle adjusting mechanism of one embodiment of the invention;
Figure 18 is the mounting structure schematic diagram of the positioning key of the angle adjusting mechanism of one embodiment of the invention;
Figure 19 a and Figure 19 b is the angular adjustment schematic diagram of one embodiment of the invention.
Embodiment
Core concept of the present invention is: display screen mostly can not be regulated to arrive the problem of the Distance geometry angle of user for head-mounted display in prior art, a kind of head-mounted display that not only can regulate the distance between display screen to user but also can regulate angle between display screen to eyes of user sight line is provided, thus make head-mounted display more personalized, meet the user demand of different user.
Fig. 1 is the structural representation of a kind of head-mounted display of one embodiment of the invention; See Fig. 1, this head-mounted display of the present invention comprises: main part 11, governor motion 12 and wear support 13 to user's head for main part 11 being worn;
Main part 11 comprises the display module being provided with display screen;
Governor motion 12 comprises angle adjusting mechanism and distance adjusting mechanism, and wherein, angle adjusting mechanism is connected with distance adjusting mechanism, and distance adjusting mechanism is fixedly attached to wears support, and angle adjusting mechanism is fixedly attached to display module;
Angle adjusting mechanism is rotatable, and when angle adjusting mechanism rotates, display module rotates, and realizes the adjustment of angle between the display screen of display module and eyes of user sight line;
Distance adjusting mechanism is removable in the longitudinal direction, and when distance adjusting mechanism seesaws, drives the display screen motion of display module, realize the adjustment of display screen and eyes of user spacing through angle adjusting mechanism.
User, in the process using the head-mounted display shown in Fig. 1, can adjust display screen to the angle of eyes of user and distance according to the demand of oneself by governor motion 12 (part of empty wire frame representation), optimize user's experience.And this governor motion structure is simple, simple operation, lightweight, provide cost savings, improve the competitive power of head-mounted display.
Fig. 2 is a kind of head-mounted display angular adjustment schematic diagram of one embodiment of the invention, Fig. 3 is a kind of head-mounted display distance adjustment schematic diagram of one embodiment of the invention, see Fig. 2 and Fig. 3, governor motion comprises angle adjusting mechanism and distance adjusting mechanism, governor motion and main part are designed to one, wear support and main part is connected to user's head, in use, manual operation head-mounted display main part, upwards or be rotated down, the adjustment of angle [alpha] can be realized, adapt to different application scenarioss.Here angle [alpha] is an occurrence, such angle values such as such as 1 °, 2 °, can the angle between display screen and eyes of user sight line be made to change 1 °, 2 ° etc. by anglec of rotation governor motion up or down.Further, the main part of manual operation head-mounted display can move forward or backward, thus control the size of the distance L between head-mounted display and eyes of user.Here, fore-and-aft direction refers to that user normally wears head-mounted display, and when display screen being placed in eyes of user front, horizontal direction being front away from the direction of eyes of user, is rear near the direction of eyes of user.By regulating display screen to the distance of eyes of user, the user demand of different vision user can be met, optimizing user experience.
Fig. 4 is the structural representation of the governor motion of a kind of head-mounted display of one embodiment of the invention, Fig. 5 is a kind of angle adjusting mechanism of head-mounted display and the structural representation of slide of one embodiment of the invention, and Fig. 6 is the structural representation of the installation portion of a kind of head-mounted display of one embodiment of the invention;
See Fig. 4, Fig. 5 and Fig. 6, this governor motion 12 of one embodiment of the invention comprises angle adjusting mechanism 122 and distance adjusting mechanism 121;
Distance adjusting mechanism 121 comprises installation portion 60 and slide 50;
Distance adjusting mechanism 121 by installation portion 60 with wear support 13 and be fixedly connected with;
The side of installation portion 60 is provided with the first guide rail 601 in the longitudinal direction, and slide 50 comprises the projection 501 corresponding with the first guide rail 601;
Slide 50 and installation portion 60 are also provided with detent mechanism, and detent mechanism, when the projection 501 of slide 50 moves to precalculated position in the longitudinal direction along the first guide rail 601 of installation portion 60, controls protruding 501 and is stabilized in precalculated position.
It should be noted that, Fig. 6 is the lower surface configuration schematic diagram of installation portion, Fig. 5 is the surface structure schematic diagram of slide, when projection 501 is slided in the first guide rail 601, the upper surface of the lower surface of protruding 501 (namely protruding, contrary with shell fragment place plane, that surface) and the first guide rail 601 (i.e. the first guide rail, contrary with locating slot place plane, that surface) contact.
One to four the detent mechanism of the embodiment of the present invention is specifically described by the following examples:
Embodiment one
In an embodiment of invention, detent mechanism as shown in Figure 5 and Figure 6, on slide 50 with the region of installation portion corresponding matching, shell fragment 502 is set, and in the corresponding region simultaneously contacted with slide on installation portion 60, multiple locating slot 602 is set, multiple locating slot 602 is the groove in array distribution, the course of work of this detent mechanism is: during distance between manual adjustments display screen to eyes of user, projection 501 on slide 50 is slided along the first guide rail 601, when sliding into precalculated position, by coordinating of locating slot 602 and shell fragment 502, precalculated position can be stabilized in by protruding 501, see Fig. 6, here by arranging multistage groove in advance on the region that installation portion 60 contacts with slide, each groove is equivalent to one-level, the level that has achieving distance adjusting mechanism is located.When slide 50 moves to the precalculated position limited by these 9 grooves, can be stabilized in these precalculated positions, avoiding arbitrarily slides affects the impression that user watches video pictures.
In addition, in an embodiment, the situation that the region coordinated with slide on installation portion arranges 9 locating slots in array distribution is illustrated, in other embodiments, the quantity of the concrete condition Design Orientation groove wearing support and head-mounted display location can be considered, this is not limited.
Embodiment two
In an embodiment, detent mechanism as shown in Figure 6 and Figure 7, Fig. 7 is the detent mechanism schematic diagram of one embodiment of the invention, see Fig. 7 and Fig. 6, this detent mechanism comprises: be arranged on slide 50 with the stopper in installation portion 60 mating area and spring structure 502, and being arranged on the locating slot 602 installation portion 60 contacted with slide in mating area, the quantity of locating slot 602 is multiple and in array distribution (identical with the structure in embodiment one).Stopper and spring structure 502, the spring specifically comprising a stopper and be connected with stopper, stopper protrudes the surface of slide 50, and spring is arranged on the inside of slide 50; The course of work of this detent mechanism is: when carrying out the distance adjustment between display screen to eyes of user, projection 501 on slide 50 is slided in the first guide rail 601 of installation portion 60, when sliding into precalculated position, stopper on slide 50 snap-fits into the locating slot 602 li of installation portion 60, makes the projection 501 on slide 50 be stabilized in this precalculated position.Thus the level that has realized in motion process is located, when preventing distance adjustment, slide arbitrarily slides and can not to locate and the display screen that causes is unstable, affect user's viewing and use.
Embodiment three
Fig. 8 is the detent mechanism schematic diagram of another embodiment of the present invention, see Fig. 8, the detent mechanism of the present embodiment comprises: arrange a position limiting clamp 502 in the region coordinated with installation portion on the slide 50 of distance adjusting mechanism, and a limited post 602 is set on installation portion 60 with in slide mating area, this limited post 602 can stick in position limiting clamp 502, the course of work of this detent mechanism is: during distance adjustment between the display screen carrying out head-mounted display to eyes of user, projection 501 on the slide 50 of distance adjusting mechanism is slided in the first guide rail 601 of installation portion 60, when protruding 501 slide into precalculated position, the limited post 602 of installation portion 60 snap-fits into the position limiting clamp 502 li of slide 50, the projection 501 on slide 50 is made to be stabilized in this precalculated position.Thus the level that has realized in motion process is located, when preventing distance adjustment, slide arbitrarily slides and can not to locate and the display screen that causes is unstable, affect user's viewing and use.It should be noted that, namely precalculated position is the particular location limited by the position limiting clamp of on slide 50 and a limited post, a position limiting clamp such as, there is multiple draw-in groove can block limited post on installation portion, each draw-in groove just defines a precalculated position with the engaging of limited post, and multiple draw-in groove is located with the level that has achieved in slide motion process that coordinates of limited post.
Embodiment four
Fig. 9 a and Fig. 9 b is the interference fit detent mechanism schematic diagram of one embodiment of the invention, and see Fig. 9 a and Fig. 9 b, the detent mechanism in the present embodiment is made up of the projection of interference fit and the first guide rail.Its protrusions is the projection on slide, the first guide rail be arranged on installation portion with the first guide rail of the male cooperation on slide, the detent mechanism in the present embodiment is a kind of stepless location, realizes particular by the protruding interference fit with the first guide rail.
In the distance adjusting mechanism that the embodiment of the present invention provides, particular by projection slide anteroposterior in the first guide rail, realize the distance adjustment of display screen and eyes of user, and fit system that is protruding and the first guide rail has two kinds usually: one is clearance fit, another kind is interference fit, when clearance fit, detent mechanism can adopt any one mode in above-described embodiment one to three to realize.See Fig. 9, and be realize location by interference fit in the present embodiment, interference fit is used for hole, being fastenedly connected of between centers, and does not allow there is relative motion between the two.Tolerance on fit refers to hole, the axle tolerance sum of composition cooperation, and it is the variation allowing interference.Tolerance range size and the tolerance range position of hole and axle constitute tolerance on fit.During interference fit, the tolerance range in hole is under the tolerance range of axle.In the present embodiment, hole is equivalent to the first guide rail on installation portion, axle is equivalent to the projection on slide, in the specific implementation, preset the tolerance of the first guide rail, and the tolerance of the projection of carrying out interference fit with it is calculated according to the tolerance of the first guide rail, realize stepless location object by increasing the protruding friction seesawed in the first guide rail.As shown in figures 9 a and 9b, such as, width between the two sides 6011 setting the first guide rail is 20 millimeters (being equivalent to aperture), tolerance range is-0.1 ~-0.05, determine according to this width and the first guide rail two sides 6011 interference fit projection two sides 5011 between width (being equivalent to the diameter of axle) be 20 millimeters, tolerance range is+0.05 ~+0.1.In addition, in other embodiments of the invention, damping oil can be adopted to increase friction in protruding and the first guide rail contact position, realize stepless location.
Figure 10 is the mounting structure schematic diagram of the limited block in the distance adjusting mechanism of one embodiment of the invention, see Figure 10, in an embodiment of the present invention, distance adjusting mechanism also comprises limited block 70, installation portion is respectively arranged with front apron 603 and backboard 604 at fore-and-aft direction, and the parts 605 of baffle plate 603 and backboard 604 are in the pre-connection provided with the second guide rail; Installation portion by backboard 604 with wear support 13 and be connected.In the process of carrying out head-mounted display distance adjustment, while projection on slide 50 is movable along the first guide rail of installation portion, limited block 70 moves along the second guide rail, when limited block 70 move forward to contact with front apron 603 time, protruding stopping moves forward, when limited block 70 move backward to contact with backboard 604 time, protruding stopping is moved backward.Thus further limit the movement travel of slide, control the distance wearing display register.
It should be noted that the structure of above-mentioned limited block can be applied in each embodiment of above-described embodiment one to four.
Figure 11 a and Figure 11 b is the distance adjusting mechanism motion schematic diagram of one embodiment of the invention, it is the schematic diagram before the distance adjusting mechanism motion of the embodiment of the present invention see Figure 11 a, now, limited block 70 contacts with the backboard 604 of installation portion, and the distance of display screen and eyes of user is the shortest.When carrying out distance adjustment, such as user's manual operation slide (namely pulling slide forward) makes the distance between display screen and eyes of user more and more far away, as shown in figure lib (being the distance adjusting mechanism post exercise schematic diagram of the embodiment of the present invention), until when limited block 70 touches front apron 603, stop travelling forward.When moving backward, motion process is identical, and just direction is contrary.That is can be considered as the position view before distance adjustment shown in Figure 11 b, and be considered as the position view after distance adjustment shown in Figure 11 a.Same can be considered as the position view before distance adjustment shown in Figure 11 a, and is considered as the position view after distance adjustment shown in Figure 11 b, is not restricted this.
Embodiment five
Figure 12 is the stereographic map of the installation portion in a kind of distance adjusting mechanism of one embodiment of the invention, and Figure 13 is the vertical view of the installation portion in a kind of distance adjusting mechanism of one embodiment of the invention; See Figure 12 and Figure 13, in embodiments of the invention five, installation portion design is in I-shaped, and distance adjusting mechanism comprises: installation portion and I-shaped slide; Distance adjusting mechanism by installation portion with wear support and be fixedly connected with;
Installation portion center section is provided with first step 606 in the longitudinal direction, and slide comprises the slide plate 503 corresponding with first step and slide block 504 (see Figure 13); Slide plate 503 and slide block 504 match with first step 606, move in the longitudinal direction along first step 606, are provided with limited block 70 above slide plate 503; Installation portion dual-side fore-and-aft direction is provided with second step 607, and installation portion is respectively arranged with front apron 603 and backboard 604 in the longitudinal direction; Slide plate 503 and slide block 504 are along while first step 606 movement, and limited block 70 moves along second step 607, when limited block 70 move forward to contact with front apron 603 time, slide plate 503 and slide block 504 stop forwards moving; When limited block 70 rearward move to contact with backboard 604 time, slide plate 503 and slide block 504 stop moving backward.
It should be noted that, this slide of the present embodiment and the I-shaped syndeton of installation portion also include level and stepless locator meams.Figure 14 a and Figure 14 b is that the installation portion of one embodiment of the invention coordinates the structural representation of locating with slide; Concrete, see Figure 14 a and Figure 14 b, there is grade locator meams to comprise: shell fragment 5041 is set on slide block 504 with first step 606 fit area of installation portion, and first step 606 is arranged one or more locating slot 6061 engaged with shell fragment 5041;
Or, with the spring that arranges in first step 606 fit area and stopper structure 5041 on slide block 504, first step 606 is provided with one or more locating slot 6061 engaged with stopper;
Or, limited post (not shown in Figure 14) is set on slide block 504 with first step 606 fit area, first step 606 is provided with the position limiting clamp clamped with limited post; This limited post and the locator meams that position limiting clamp coordinates and the structure in previous embodiment three, the course of work are similar, specifically see the explanation of previous embodiment three, can not repeat them here.
In addition, the structure that this I-shaped installation portion of the present embodiment is connected with slide is also applicable to stepless locator meams, width between concrete two sides being provided with locating slot 6061 can designing first step 606 is 18 millimeters (mm), tolerance range is-0.1 ~-0.05, and be 18 millimeters (mm) by the width design of the slide block 504 coordinated with first step 606, tolerance range is+0.05 ~+0.1.The stepless location in slide motion process is realized by the interference fit of slide block and first step.
It should be noted that, just different from the distance adjusting mechanism in above-described embodiment one to four on distance adjusting mechanism in embodiment five, and be identical with the angle adjusting mechanism part in embodiment one to four.
Figure 15 is the schematic diagram of the angle adjusting mechanism of one embodiment of the invention, and Figure 16 is the schematic diagram of the governor motion of one embodiment of the invention, see Figure 15 and Figure 16, angle adjusting mechanism is provided with rotating shaft 1402; Rotating shaft 1402 connects one end of slide, and angle adjusting mechanism is fixedly connected with distance adjusting mechanism by rotating shaft.
In one embodiment of the invention, one end being connected to rotating shaft of slide has U-lag 503 (see Figure 16), and U-lag 503 is for holding the end of rotating shaft 1402; Angle adjusting mechanism rotates with rotating shaft 1402 and rotates.
In one embodiment of the invention, angle adjusting mechanism is provided with the first angle limit face 1401 and the second angle limit face 1403, one end that slide is connected to rotating shaft 1402 is in the open space that the first angle limit face 1401 and the second angle limit face 1403 surround, when angle adjusting mechanism turns to the position that the first angle limit face 1401 clamps with slide, angle adjusting mechanism stops operating; When angle adjusting mechanism turns to the position that the second angle limit face 1403 clamps with slide, angle adjusting mechanism stops operating.
Figure 17 is the schematic diagram of the angle adjusting mechanism of one embodiment of the invention, and see Figure 17, in the present embodiment, distance adjusting mechanism also comprises: screw 1404 and spring 1405;
Spring 1405 is sleeved in the threaded shank of screw 1404, the threaded shank of screw 1404 through U-lag, and after the rotating shaft 1402 on angle adjusting mechanism is installed to described U-lag, the opening of clamping U-lag 503.U-type groove 503 can increase the frictional damping of rotating shaft 1402 due to lever principle thus play the effect of locating in angular adjustment process under the pressure effect of spring 1405, in addition, damping can be increased at the center of rotating shaft 1402 (position contacted with U-lag) damping oil of annotating.
Figure 18 is the mounting structure schematic diagram of the positioning key of the angle adjusting mechanism of one embodiment of the invention, see Figure 18, in one embodiment of the invention, angle adjusting mechanism is provided with positioning key 1406;
Positioning key 1403 inserts in angle adjusting mechanism, and is fixedly connected with the trimming of rotating shaft 1402, realizes rotating shaft 1402 and angle adjusting mechanism synchronous axial system.
Figure 19 a and Figure 19 b is the angular adjustment schematic diagram of one embodiment of the invention, see Figure 19 a and Figure 19 b, in the present embodiment, Figure 19 a is the position relationship schematic diagram of angle adjusting mechanism and distance adjusting mechanism before angular adjustment, can find out, now, angle adjusting mechanism does not rotate, angle between display screen and eyes of user sight line is 0 °, when anglec of rotation governor motion is to position as shown in fig. 19b, there is angle α between display screen and eyes of user sight line, thus achieve the angular adjustment between display screen and eyes of user sight line.And the first angle limit face that the size of above-mentioned angle [alpha] is coordinated with distance adjusting mechanism by angle adjustment mechanism and the second angle limit face are determined.That is, the scope of head-mounted display angular adjustment is the first angle limit face and the second angle limit face limited range.In addition, in angular adjustment process, due in the embodiment of the present invention by adopting U-lag to be fixedly connected with the rotating shaft of angle adjusting mechanism and further to carry out installing spring additional in angle adjustment mechanism and screw positions on the slide of distance adjusting mechanism, achieve the location in angular adjustment process, the generation of the situations such as the display screen shakiness fixedly caused cannot be located when avoiding angular adjustment, improve practicality and the stability of angle adjusting mechanism.
In sum, this head-mounted display of the present invention has the following advantages:
1. be that the display screen of head-mounted display provides simple and reliable distance and angular adjustment mode to the distance adjustment between eyes of user and the angular adjustment between display screen and eyes of user sight line by distance adjusting mechanism and angle adjusting mechanism, best visual angle is provided to user, meet the user demand of different user, improve the competitive power of head-mounted display.
2. coordinated with locating slot by shell fragment, spring+stopper, position limiting clamp coordinate with limited post detent mechanism during equidistant adjustment to be that distance adjustment provides reliable locator meams, operability and controllability excellent.And, by slide being opened the structure that U-lag is connected with the rotating shaft of angle adjusting mechanism, and add damping wet goods locator meams in shaft contacts position, stable anglec of rotation location is provided for rotating adjustment, also ensure that in angular adjustment process, the frame stabilization of display screen, does not affect viewing and the use of user.
3. the governor motion structure of this head-mounted display of the embodiment of the present invention is simple, and lightweight, human body comfort is good, easy to make, and cost is low.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a head-mounted display, is characterized in that, described head-mounted display comprises: main part, governor motion and wear support to user's head for main part being worn;
Described main part comprises the display module being provided with display screen;
Described governor motion comprises angle adjusting mechanism and distance adjusting mechanism, wherein, described angle adjusting mechanism is connected with described distance adjusting mechanism, wears support described in described distance adjusting mechanism is fixedly attached to, and described angle adjusting mechanism is fixedly attached to described display module;
Described angle adjusting mechanism is rotatable, and when described angle adjusting mechanism rotates, described display module rotates, and realizes the adjustment of angle between the display screen of described display module and eyes of user sight line;
Described distance adjusting mechanism is removable in the longitudinal direction, and when described distance adjusting mechanism seesaws, drives the display screen of described display module to move, realize the adjustment of described display screen and eyes of user spacing through described angle adjusting mechanism.
2. head-mounted display as claimed in claim 1, it is characterized in that, described distance adjusting mechanism comprises installation portion and slide;
Described distance adjusting mechanism is fixedly connected with described support of wearing by described installation portion;
The side of described installation portion is provided with the first guide rail in the longitudinal direction, and described slide comprises the projection corresponding with described first guide rail;
Described slide and described installation portion are also provided with detent mechanism, and described detent mechanism, when the projection of described slide moves to precalculated position in the longitudinal direction along the first guide rail of described installation portion, controls described projection and is stabilized in described precalculated position.
3. head-mounted display as claimed in claim 2, it is characterized in that, described detent mechanism comprises: with the shell fragment that arranges in described installation portion fit area on described slide, and be arranged on one or more locating slot that described installation portion engages with described shell fragment;
Or described detent mechanism comprises: with the spring that arranges in described installation portion fit area and stopper on described slide, and be arranged on one or more locating slot that described installation portion engages with described stopper;
Or described detent mechanism comprises: with the position limiting clamp that arranges in described installation portion fit area on described slide, and be arranged on the limited post that described installation portion clamps with described position limiting clamp;
Or described detent mechanism is made up of the described projection of interference fit and described first guide rail.
4. head-mounted display as claimed in claim 2, is characterized in that, described protruding top is provided with limited block;
Described installation portion is respectively arranged with front apron and backboard in the longitudinal direction, and arranges the second guide rail on the parts connecting described front apron and backboard;
While described projection is movable along described first guide rail, described limited block moves along described second guide rail, when described limited block move forward to contact with described front apron time, described projection stops moving forward, when described limited block move backward to contact with described backboard time, described projection stop move backward.
5. head-mounted display as claimed in claim 2, it is characterized in that, described distance adjusting mechanism comprises: installation portion and I-shaped slide;
Described distance adjusting mechanism is fixedly connected with described support of wearing by installation portion;
Described installation portion center section is provided with first step in the longitudinal direction, and described slide comprises the slide plate corresponding with described first step and slide block;
Described slide plate and described slide block match with described first step, move in the longitudinal direction along described first step, are provided with limited block above described slide plate;
Described installation portion dual-side fore-and-aft direction is provided with second step, and described installation portion is respectively arranged with front apron and backboard in the longitudinal direction;
Described slide plate and slide block are along while described first step movement, and described limited block moves along described second step, when described limited block move forward to contact with described front apron time, described slide plate and slide block stop forwards moving; When described limited block rearward move to contact with described backboard time, described slide plate and slide block stop moving backward.
6. head-mounted display as claimed in claim 5, is characterized in that, be provided with shell fragment on described slide block with the first step fit area of described installation portion, described first step is provided with one or more locating slot engaged with described shell fragment;
Or, with the spring that arranges in described first step fit area and stopper on described slide block, described first step is provided with one or more locating slot engaged with described stopper;
Or, limited post is set on described slide block with described first step fit area, described first step is provided with the position limiting clamp clamped with described limited post;
Or, described slide block and described first step interference fit.
7. the head-mounted display as described in claim 2 or 6, is characterized in that, described angle adjusting mechanism is provided with rotating shaft;
Described rotating shaft connects one end of described slide, and described angle adjusting mechanism is fixedly connected with described distance adjusting mechanism by described rotating shaft.
8. head-mounted display as claimed in claim 7, it is characterized in that, one end being connected to rotating shaft of described slide has U-lag, and described U-lag is for holding the end of described rotating shaft;
Described angle adjusting mechanism rotates with described axis of rotation.
9. head-mounted display as claimed in claim 8, is characterized in that, described angle adjusting mechanism is provided with the first angle limit face and the second angle limit face;
One end that described slide is connected to rotating shaft is in the open space that described first angle limit face and described second angle limit face surround, when described angle adjusting mechanism turns to the position that described first angle limit face and described slide clamp, described angle adjusting mechanism stops operating; When described angle adjusting mechanism turns to the position that described second angle limit face and described slide clamp, described angle adjusting mechanism stops operating.
10. head-mounted display as claimed in claim 8, it is characterized in that, described distance adjusting mechanism also comprises: screw and spring;
Described spring housing is contained in the threaded shank of described screw, and the threaded shank of described screw through described U-lag, and after the rotating shaft on described angle adjusting mechanism is installed to described U-lag, clamps the opening of described U-lag;
Described angle adjusting mechanism is also provided with positioning key;
Described positioning key inserts in described angle adjusting mechanism, and is fixedly connected with the trimming of described rotating shaft, realizes described rotating shaft and described angle adjusting mechanism synchronous axial system.
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| CN201510350169.4A CN104977718B (en) | 2015-06-23 | 2015-06-23 | Head-mounted display |
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| CN201510350169.4A CN104977718B (en) | 2015-06-23 | 2015-06-23 | Head-mounted display |
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| CN104977718A true CN104977718A (en) | 2015-10-14 |
| CN104977718B CN104977718B (en) | 2017-12-08 |
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