CN112558309A - VR mechanism capable of automatically adjusting interpupillary distance - Google Patents
VR mechanism capable of automatically adjusting interpupillary distance Download PDFInfo
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- CN112558309A CN112558309A CN202011581944.4A CN202011581944A CN112558309A CN 112558309 A CN112558309 A CN 112558309A CN 202011581944 A CN202011581944 A CN 202011581944A CN 112558309 A CN112558309 A CN 112558309A
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- interpupillary distance
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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
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
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Abstract
本发明公开一种可自动调节瞳距的VR机构，涉及VR头戴设备技术领域，用于解决现有技术中手动调节VR头戴设备的瞳距不方便、且调节准确性较差的技术问题。本发明所述的可自动调节瞳距的VR机构，包括：镜筒固定支架，所述镜筒固定支架通过光杆装配有第一光学模组和第二光学模组，且所述第一光学模组设置有第一齿条和第二齿条、所述第二光学模组设置有第三齿条；所述镜筒固定支架设置有驱动电机，所述驱动电机通过输出齿轮与所述第一齿条啮合；所述第二齿条和所述第三齿条分别与装配于所述镜筒固定支架的镜筒联动齿轮啮合，以使所述第一光学模组和所述第二光学模组实现相向或背向联动。本发明主要应用于VR眼镜中。
The invention discloses a VR mechanism that can automatically adjust the interpupillary distance, relates to the technical field of VR head-mounted devices, and is used to solve the technical problems in the prior art that manual adjustment of the interpupillary distance of the VR head-mounted device is inconvenient and the adjustment accuracy is poor. . The VR mechanism that can automatically adjust the interpupillary distance of the present invention includes: a lens barrel fixing bracket, the lens barrel fixing bracket is equipped with a first optical module and a second optical module through a polished rod, and the first optical module The group is provided with a first rack and a second rack, the second optical module is provided with a third rack; the lens barrel fixing bracket is provided with a drive motor, and the drive motor is connected to the first rack through an output gear. The racks are engaged; the second rack and the third rack are respectively engaged with the lens barrel linkage gears assembled on the lens barrel fixing bracket, so as to make the first optical module and the second optical module Groups can be linked to each other or back to each other. The present invention is mainly applied to VR glasses.
Description
Technical Field
The invention relates to the technical field of VR head-mounted equipment, in particular to a VR mechanism capable of automatically adjusting interpupillary distance.
Background
At present, as VR (virtual reality) technology is increasingly popularized, VR application scenarios are also expanded to a wider range, such as games, movie watching, house watching and the like.
However, the inventor of the present application finds that the interpupillary distance of different people is slightly different, and men and women, long and young people and different races are different, and the interpupillary distance adjusting function of the VR headset is also necessary for better improving the user experience.
Specifically, the scheme in the prior art mainly determines the adapted pupil distance of the user by manually adjusting the transmission mechanism, and has the problems of inconvenient adjustment and low accuracy.
Therefore, how to provide a VR mechanism capable of automatically adjusting the interpupillary distance has become an urgent technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a VR mechanism capable of automatically adjusting the interpupillary distance, which is used for solving the technical problems that the interpupillary distance of VR head-mounted equipment is inconvenient to adjust manually and the adjustment accuracy is low in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a VR mechanism capable of automatically adjusting interpupillary distance, comprising: the lens cone fixing support is assembled with a first optical module and a second optical module through a polish rod, the first optical module is provided with a first rack and a second rack, and the second optical module is provided with a third rack;
the lens cone fixing support is provided with a driving motor, and the driving motor is meshed with the first rack through an output gear; the second rack and the third rack are respectively meshed with a lens cone linkage gear assembled on the lens cone fixing support, so that the first optical module and the second optical module are in opposite or back linkage along the length direction of the light rod.
In the VR mechanism capable of automatically adjusting the interpupillary distance, the lens cone fixing support is provided with a limiting frame body, and the first rack is positioned in the limiting frame body.
Specifically, in the VR mechanism capable of automatically adjusting the interpupillary distance, the limiting frame body is provided with an opening structure, and the opening structure is used for avoiding a space required by the rotation of the output gear and the meshing with the first rack.
Furthermore, in the VR mechanism capable of automatically adjusting the interpupillary distance, the driving motor is a speed reduction motor, and the speed reduction motor can change longitudinal rotation into transverse rotation through the worm assembly.
Furthermore, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the present invention, the output gear is sleeved outside the output rod of the worm assembly.
Further, the lens barrel linkage gear is arranged on the central symmetry line of the first optical module and the second optical module.
In practical application, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the present invention, the lens barrel fixing support is provided with a plurality of first fixing legs, the first optical module and the second optical module are respectively provided with a plurality of second fixing legs, and the polished rod penetrates through the first fixing legs and the second fixing legs.
In the VR mechanism capable of automatically adjusting the interpupillary distance, the number of the polish rods is two, the two polish rods are arranged in parallel from top to bottom, and one polish rod corresponds to the three first fixing feet and the four second fixing feet.
Specifically, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the present invention, the first optical module corresponds to the left barrel, and the second optical module corresponds to the right barrel.
Further, in the VR mechanism capable of automatically adjusting interpupillary distance according to the present invention, the second rack includes: the lens barrel comprises a tilting arm connected with the bottom plate of the left lens barrel and a rack arm connected with the tilting arm.
Further, in the VR mechanism capable of automatically adjusting interpupillary distance according to the present invention, the third rack includes: the right lens barrel comprises a tilting arm connected with the bottom plate of the right lens barrel and a rack arm connected with the tilting arm;
and the rack arm of the third rack is disposed in parallel with the rack arm of the second rack.
Compared with the prior art, the VR mechanism capable of automatically adjusting the interpupillary distance has the following advantages:
in the VR mechanism capable of automatically adjusting the interpupillary distance, the lens cone fixing support is provided with the first optical module and the second optical module through the polished rod, the first optical module is provided with the first rack and the second rack, the second optical module is provided with the third rack, the lens cone fixing support is provided with the driving motor, the driving motor is meshed with the first rack through the output gear, and the second rack and the third rack are respectively meshed with the lens cone linkage gear assembled on the lens cone fixing support, so that the driving motor can drive the first optical module to move along the polished rod through the output gear and the first rack, the first optical module can drive the second optical module to rotate along the polished rod through the second rack, and the lens cone linkage gear can drive the second optical module to rotate along the polished rod at the same speed as the first optical module through the third rack of the second optical module, Relative or the direction of carrying on the back mutually removes to the interpupillary distance that can realize VR head-mounted apparatus automatically adjusts, and when adjusting the accuracy higher, promote user experience greatly.
Drawings
Fig. 1 is a schematic perspective view of a VR mechanism capable of automatically adjusting interpupillary distance according to an embodiment of the present invention;
fig. 2 is an exploded view of a VR mechanism capable of automatically adjusting interpupillary distance according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of a VR mechanism capable of automatically adjusting interpupillary distance according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a partially enlarged structure of a VR mechanism capable of automatically adjusting the interpupillary distance according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a reduction motor in a VR mechanism capable of automatically adjusting the interpupillary distance according to an embodiment of the present invention.
Reference numerals:
1-lens cone fixing support; 11-a limiting frame body; 111-open structure; 12-a first fixed foot;
2-a polish rod;
20-a second fixing foot; 30-a tilting arm; 40-a rack arm;
3-a first optical module; 31-a first rack; 32-a second rack;
4-a second optical module; 41-third rack;
5-driving a motor; 51-output rod of worm assembly;
61-output gear; 62-lens cone linkage gear.
Detailed Description
For the convenience of understanding, the following describes in detail a VR mechanism capable of automatically adjusting the interpupillary distance according to an embodiment of the present invention with reference to the drawings.
An embodiment of the present invention provides a VR mechanism capable of automatically adjusting interpupillary distance, as shown in fig. 1 to 3, including: the lens cone fixing support comprises a lens cone fixing support 1, wherein the lens cone fixing support 1 is assembled with a first optical module 3 and a second optical module 4 through a polished rod 2, a first rack 31 and a second rack 32 are arranged on the back side of the first optical module 3, and a third rack 41 is arranged on the back side of the second optical module 4;
the lens cone fixing bracket 1 is provided with a driving motor 5, and the driving motor 5 is meshed with the first rack 31 through an output gear 61; the second rack 32 and the third rack 41 are respectively engaged with a barrel interlocking gear 62 assembled to the barrel fixing bracket 1, so that the first optical module 3 and the second optical module 4 can be interlocked in the longitudinal direction of the polished rod 2 in the opposite direction or in the reverse direction.
Compared with the prior art, the VR mechanism capable of automatically adjusting the interpupillary distance has the following advantages:
in the VR mechanism capable of automatically adjusting interpupillary distance according to the embodiment of the present invention, since the lens barrel fixing bracket 1 is assembled with the first optical module 3 and the second optical module 4 through the polished rod 2, the first optical module 3 is provided with the first rack 31 and the second rack 32, the second optical module 4 is provided with the third rack 41, the lens barrel fixing bracket 1 is provided with the driving motor 5, the driving motor 5 is engaged with the first rack 31 through the output gear 61, and simultaneously the second rack 32 and the third rack 41 are respectively engaged with the lens barrel linkage gear 62 assembled on the lens barrel fixing bracket 1, so that the driving motor 5 can drive the first optical module 3 to move along the polished rod 2 through the output gear 61 and the first rack 31, the first optical module 3 can move and drive the lens barrel linkage gear 62 to rotate through the second rack 32, and the lens barrel linkage gear 62 can drive the second optical module 4 to rotate along the polished rod 2 through the third rack 41 of the second optical module 4, so as to cooperate with the first optical module 3 the same speed, relative or the direction of carrying on the back mutually removes to the interpupillary distance that can realize VR head-mounted apparatus automatically adjusts, and when adjusting the accuracy is higher, promotes user experience greatly.
In the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 2 and 4, the lens barrel fixing frame 1 may be provided with a limiting frame 11, and the first rack 31 is located in the limiting frame 11, so as to further limit the distance adjustment range between the first optical module 3 and the second optical module 4 by a mechanical limiting manner.
Certainly, in the VR mechanism capable of automatically adjusting the interpupillary distance provided in the embodiment of the present invention, not only the distance adjustment range of the first optical module 3 and the second optical module 4 can be limited by a mechanical limit (limit frame 11), but also the central control software can send the instructions of forward rotation or reverse rotation and the number of rotation turns to the driving motor, so as to realize the limitation of the distance adjustment range by the number of rotation turns instruction.
Specifically, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 2 and 4, the limiting frame 11 may have an opening structure 111, so that the opening structure 111 can be used to avoid a necessary space required for the rotation of the output gear 61 and the engagement with the first rack 31.
Further, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 5, the driving motor 5 may be a reduction motor, and the reduction motor 5 may change the longitudinal rotation into the transverse rotation through a worm assembly.
Here, the reduction motor is an integrated body of a reduction gear and a motor (motor). Such an integrated body may also be generally referred to as a gear motor or gearmotor. Generally, a professional reducer production plant is integrated and assembled, and then the reducer and a motor are supplied in a set.
In addition, the worm assembly drive consists of a worm and a worm gear for transmitting motion and power between the interleaved shafts, typically at 90 ° stagger angles. In general, a worm is used as a driving part in the transmission of a worm assembly. In appearance, the worm is similar to a bolt, and the worm wheel is very similar to a helical gear. When the worm-gear type worm-gear drive device works, the gear teeth of the worm-gear slide and roll along the spiral surface of the worm. In order to improve the contact condition of the gear teeth, the worm wheel is made into a circular arc shape along the tooth width direction, so that the worm part is wrapped. Thus, the worm and the worm wheel are engaged in a line contact mode, not a point contact mode.
Further, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 2 and 5, the output gear 61 may be sleeved on an outer side of the output rod 51 of the worm assembly of the reduction motor 5 and engaged with the first rack 31 of the first optical module 3.
In practical application, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, the lens barrel fixing frame 1 may be provided with a plurality of first fixing legs 12, as shown in fig. 1 and 2; the first optical module 3 and the second optical module 4 may be respectively provided with a plurality of second fixing pins 20, as shown in fig. 3, so that the polish rod 2 can penetrate through the first fixing pins 12 and the second fixing pins 20, thereby realizing the assembly of the first optical module 3 and the second optical module 4 with the lens barrel fixing bracket 1.
In addition, the polished rod 2 can also effectively play a role in guiding.
In the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 2 and 3, the polished rod 2 may include two polished rods arranged in parallel up and down, and one polished rod 2 may preferably correspond to three first fixing legs 12 and four second fixing legs 20.
The arrangement of the two polished rods 2 and the plurality of first fixing feet 12 and the plurality of second fixing feet 20 is more beneficial to the stable movement and the firm fixation of the first optical module 3 and the second optical module 4.
Specifically, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, the first optical module 3 may preferably correspond to a left lens barrel, and the second optical module 4 may preferably correspond to a right lens barrel; of course, the first optical module 3 may correspond to a left lens barrel, and the second optical module 4 may correspond to a right lens barrel, which is not limited herein.
Further, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 3, the second rack 32 may include: a tilt arm 30 connected to the bottom plate of the left barrel, and a rack arm 40 integrally connected to the tilt arm 30.
Further, in the VR mechanism capable of automatically adjusting the interpupillary distance according to the embodiment of the present invention, as shown in fig. 3, the third rack 41 may include: a tilt arm 30 connected to a bottom plate of the right barrel, and a rack arm 40 integrally connected to the tilt arm 30; also, the rack arm 40 of the third rack 41 and the rack arm 40 of the second rack 32 may preferably be disposed in parallel.
The first embodiment is as follows:
the utility model provides a but VR mechanism of automatically regulated interpupillary distance can realize two lens-barrel intervals of automatically regulated when the user wears VR glasses, the actual interpupillary distance of adaptation user.
As shown in fig. 1-5, the main components of the VR mechanism capable of automatically adjusting interpupillary distance may include: the optical lens driving device comprises a driving motor 5, an output gear 61, a lens barrel fixing support 1, a first optical module 3 (a left optical module), a second optical module 4 (a right optical module), a polished rod 2 and a lens barrel linkage gear 62.
During actual assembly, the left optical module and the right optical module are inserted and fixed on the lens cone fixing support 1 through the polished rod 2, the driving motor 5 is provided with a speed reducing mechanism (speed reducing motor), longitudinal rotation can be changed into transverse rotation through the worm assembly, and the speed reducing motor is fixed on the lens cone fixing support 1; the rear shell of the left optical module is provided with a first rack 31, an output gear 61 is arranged on an output rod 51 of a worm component of a speed reducing motor, and the two are matched with each other; a limiting frame body 11 is arranged on the lens cone fixing support 1 corresponding to the first rack 31 at the top of the rear shell of the left optical module and can limit the adjustment range of the lens cone; the lens barrel linkage gear 62 realizes the opposite and back linkage of the left and right lens barrels through the second rack 32 and the third rack 41 in the middle of the rear housing of the left and right optical modules.
When the machine works normally, the central control software can send instructions of positive rotation or negative rotation and the number of rotation turns to the driving motor 5; the driving motor 5 receives the instruction, then decelerates through the reduction gear set, and finally outputs the rotating speed through the output gear 61; the output gear 61 drives the left optical module to move along the two polish rods 2, while the left optical module moves, the second rack 32 in the middle of the left optical module drives the lens cone linkage gear 62 to rotate, and the lens cone linkage gear 62 rotates to drive the right optical module to move in the opposite direction or in the opposite direction along the two polish rods 2 at the same speed and distance as the left optical module through the third rack 41 in the middle of the right optical module, so that the aim of automatically adjusting the interpupillary distance is fulfilled.
In summary, the VR mechanism capable of automatically adjusting the interpupillary distance provided by the embodiment of the invention can automatically adjust the distance between the two lens barrels by the VR glasses, so that the actual interpupillary distance of a user is adapted, and the user experience is greatly improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A VR mechanism capable of automatically adjusting interpupillary distance, comprising: the lens cone fixing support is assembled with a first optical module and a second optical module through a polish rod, the first optical module is provided with a first rack and a second rack, and the second optical module is provided with a third rack;
the lens cone fixing support is provided with a driving motor, and the driving motor is meshed with the first rack through an output gear; the second rack and the third rack are respectively meshed with a lens cone linkage gear assembled on the lens cone fixing support, so that the first optical module and the second optical module are in opposite or back linkage along the length direction of the light rod.
2. The VR mechanism of claim 1 wherein the barrel mount is configured with a stop frame, the first rack being located within the stop frame.
3. The VR mechanism of claim 2 wherein the spacing frame has an open structure for avoiding space required for the output gear to rotate and engage with the first rack.
4. The VR mechanism of any of claims 1-3 with an automatically adjustable interpupillary distance, wherein the drive motor is a gear motor, and the gear motor is capable of changing longitudinal rotation into transverse rotation via a worm assembly, and the output gear is sleeved on an output rod of the worm assembly.
5. The VR mechanism of claim 1 wherein the barrel linkage gear is disposed at a central symmetry point of the first and second optics modules.
6. The VR mechanism of claim 1 wherein the barrel holder has a plurality of first fixing feet, the first and second optics modules have a plurality of second fixing feet, and the polish rod passes through the first and second fixing feet.
7. The VR mechanism of claim 6 wherein the number of optical rods is two, two optical rods are arranged in parallel from top to bottom, and one optical rod corresponds to three first fixing feet and four second fixing feet.
8. The VR mechanism of claim 1, wherein the first optical module corresponds to a left barrel and the second optical module corresponds to a right barrel.
9. The VR mechanism of claim 8, wherein the second rack comprises: the lens barrel comprises a tilting arm connected with the bottom plate of the left lens barrel and a rack arm connected with the tilting arm.
10. The VR mechanism of claim 9, wherein the third rack comprises: the right lens barrel comprises a tilting arm connected with the bottom plate of the right lens barrel and a rack arm connected with the tilting arm;
and the rack arm of the third rack is disposed in parallel with the rack arm of the second rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581944.4A CN112558309A (en) | 2020-12-28 | 2020-12-28 | VR mechanism capable of automatically adjusting interpupillary distance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581944.4A CN112558309A (en) | 2020-12-28 | 2020-12-28 | VR mechanism capable of automatically adjusting interpupillary distance |
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| CN112558309A true CN112558309A (en) | 2021-03-26 |
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| CN202011581944.4A Pending CN112558309A (en) | 2020-12-28 | 2020-12-28 | VR mechanism capable of automatically adjusting interpupillary distance |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563856A (en) * | 2022-03-23 | 2022-05-31 | 歌尔科技有限公司 | Interval adjustment mechanism and head-mounted device |
| CN115248502A (en) * | 2022-04-11 | 2022-10-28 | 北京梦想绽放技术有限公司 | Adjusting structure for VR equipment |
| WO2023001233A1 (en) * | 2021-07-23 | 2023-01-26 | 歌尔科技有限公司 | Head-mounted device and adjustment module thereof |
| CN116577934A (en) * | 2023-03-31 | 2023-08-11 | 瑞声开泰声学科技(上海)有限公司 | Device and method for automatic adjustment of interpupillary distance |
| CN116931278A (en) * | 2023-08-03 | 2023-10-24 | 广东湾区智能终端工业设计研究院有限公司 | Pupil distance adjustment mechanism of VR equipment and VR equipment |
| JP2025513115A (en) * | 2023-03-31 | 2025-04-24 | エーエーシー アコースティック テクノロジーズ （シャンハイ） カンパニー リミテッド | Apparatus and method for automatically adjusting pupil distance |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023001233A1 (en) * | 2021-07-23 | 2023-01-26 | 歌尔科技有限公司 | Head-mounted device and adjustment module thereof |
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| CN116931278A (en) * | 2023-08-03 | 2023-10-24 | 广东湾区智能终端工业设计研究院有限公司 | Pupil distance adjustment mechanism of VR equipment and VR equipment |
| CN116931278B (en) * | 2023-08-03 | 2025-07-25 | 广东湾区智能终端工业设计研究院有限公司 | Pupil distance adjustment mechanism of VR equipment and VR equipment |
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