CN114967157A - AR glasses with adjustable it is multi-functional - Google Patents
AR glasses with adjustable it is multi-functional Download PDFInfo
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- CN114967157A CN114967157A CN202210762172.7A CN202210762172A CN114967157A CN 114967157 A CN114967157 A CN 114967157A CN 202210762172 A CN202210762172 A CN 202210762172A CN 114967157 A CN114967157 A CN 114967157A
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- 238000003384 imaging method Methods 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 3
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- G—PHYSICS
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- 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
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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Abstract
The invention discloses multifunctional adjustable AR glasses, which comprise a head ring device, a bendable hinge and a glasses main body device, wherein the head ring device is connected with the bendable hinge; the head ring device is connected with the glasses main body device through a bendable hinge; the method specifically comprises the following steps: the PCBA main board is arranged in the glasses main body support, and the top cover covers the glasses main body support; one end of the bendable hinge is connected with the head ring device, and the other end of the bendable hinge is connected with the glasses main body bracket; the PCBA main board is connected with the left eye display module through the left eye FPC and connected with the right eye display module through the right eye FPC; the glasses main body bracket is connected with the left eye display module through the left eye rotating mechanism and is connected with the right eye display module through the right eye rotating mechanism; the rotation adjusting mechanism adjusts the rotation of the left eye rotating mechanism and the right eye rotating mechanism. The invention has the characteristics of multifunction and adjustability, so that different operators can obtain the best user experience.
Description
Technical Field
The invention relates to the technical field of intelligent wearable equipment, in particular to multifunctional adjustable AR glasses.
Background
The intelligent wearable device is a hardware terminal which combines technologies such as multimedia, sensing, identification, wireless communication and cloud service with daily wearing and realizes functions such as user interaction, life entertainment and health monitoring. With the continuous development and integration of technologies such as mobile communication, image technology, artificial intelligence and the like, intelligent wearable equipment develops rapidly and has become one of the fastest high-tech markets in the global range.
Among them, AR glasses based on geometric waveguide have advantages of being light and thin, large in eye movement range, uniform in color, and the like, and become mainstream solutions in the current market. The display picture distance of the AR glasses based on the geometric waveguide in the market is a fixed position and cannot be adjusted. AR products need to combine real scenes with virtual pictures. In the actual use and interaction process, when the focal position of the human eyes is inconsistent with the display picture position in the AR glasses in practice, the focal point of the focal user can be switched back and forth, the process of back and forth focusing increases the reaction time, the AR use efficiency is reduced, and the experience of the user in using the AR glasses is influenced.
Disclosure of Invention
The invention provides multifunctional adjustable AR glasses, which aim to solve the problem that the existing AR glasses cannot be well adapted to different users.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a multifunctional adjustable AR glasses comprises a head ring device, a bendable hinge and a glasses main body device; the head ring device is connected with the glasses main body device through the bendable hinge; the glasses main body device comprises a PCBA main board, a top cover, a glasses main body support, a left eye FPC, a right eye FPC, a left eye display module, a right eye display module, a left eye rotating mechanism, a right eye rotating mechanism and a rotation adjusting mechanism; the PCBA main board is arranged in the glasses main body support, and the top cover covers the glasses main body support; one end of the bendable hinge is connected with the head ring device, and the other end of the bendable hinge is connected with the glasses main body support; the PCBA main board is connected with the left eye display module through the left eye FPC and connected with the right eye display module through the right eye FPC; the glasses main body support is connected with the left eye display module through the left eye rotating mechanism and is connected with the right eye display module through the right eye rotating mechanism; the rotation adjusting mechanism adjusts the left eye rotating mechanism and the right eye rotating mechanism to rotate.
Preferably, the left eye rotating mechanism comprises a left eye positioning screw and a left eye adjusting bracket; the right eye rotating mechanism comprises a right eye positioning screw and a right eye adjusting bracket; the left eye adjusting bracket is fixedly connected with the left eye display module, and the right eye adjusting bracket is fixedly connected with the right eye display module; two first positioning holes are formed in the glasses main body support; the left eye positioning screw penetrates through one of the first positioning holes to be fixedly connected with the outer side end of the left eye adjusting support, and the right eye positioning screw penetrates through the other first positioning hole to be fixedly connected with the outer side end of the right eye adjusting support.
Preferably, the rotation adjusting mechanism comprises a micro motor; the micro motor drives the inner side ends of the left eye adjusting bracket and the right eye adjusting bracket to rotate inwards and outwards.
Preferably, the rotation adjusting mechanism comprises a screw; the inner side end faces of the left eye adjusting bracket and the right eye adjusting bracket are respectively provided with an internal thread, and the internal threads are in clearance thread fit with the screw respectively; the micro motor is fixed on the glasses main body support, and the inner side ends of the left eye adjusting support and the right eye adjusting support are driven by the screw rod to rotate inwards or outwards.
Preferably, the left eye rotating mechanism comprises a first limit pin, and the right eye rotating mechanism comprises a second limit pin; the glasses main body bracket is provided with a first limiting groove and a second limiting groove; the first limiting groove and the second limiting groove are both arc-shaped limiting grooves; the first limiting pin penetrates through the first limiting groove and is fixedly connected with the inner side end of the left eye adjusting support, and the second limiting pin penetrates through the second limiting groove and is fixedly connected with the inner side end of the right eye adjusting support.
Preferably, the bendable hinge comprises a first connecting block and a second connecting block; one end of the first connecting block is rotatably connected with the head ring device, the other end of the first connecting block is rotatably connected with one end of the second connecting block, and the other end of the second connecting block is fixedly connected with the glasses main body device.
Preferably, the left-eye display module comprises a first image coupling output part and a first planar optical waveguide; the right-eye display module comprises a second image coupling output part and a second plane optical waveguide; the left eye adjusting bracket is fixedly attached to the edge of the upper end of the first planar optical waveguide; and the right eye adjusting bracket is fixedly attached to the edge of the upper end of the second planar optical waveguide.
Preferably, the head ring device is an annular elastic band.
Preferably, the headgear assembly includes a fastening strap and a locking mechanism; a long sliding groove is formed in the inner side of one end of the fastening belt, a plurality of protrusions are arranged along the long sliding groove, and a slope is formed on one side of each protrusion; the locking mechanism is sleeved at one end of the fastening belt and is fixedly connected with the other end of the fastening belt; the locking mechanism is provided with an elastic rotating shaft, the elastic rotating shaft is connected with a limiting block, and the limiting block is clamped on the protrusion; the elastic rotating shaft is also provided with a rotating handle.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the position of the display module can be integrally adjusted through the bendable hinge, so that the display module can be adapted to various users with different eye positions, and the user experience of AR glasses is improved;
the angle adjustment of the display module is realized through the rotating mechanism and the rotating adjusting mechanism, and after the angle adjustment of the display module, the position of an image seen by human eyes is correspondingly adjusted, so that the better interaction between a real scene and a virtual picture is realized;
the fastening belt and the locking mechanism arranged on the head ring device can enable a customer to adjust the tightness degree of the head ring device according to the self feeling, and the head ring device is suitable for users with different head circumferences.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
FIG. 1 is a perspective view of multi-function adjustable AR eyeglasses, in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of multifunction adjustable AR glasses in accordance with one embodiment of the present invention;
FIG. 3 is a perspective view of the assembly of a set screw and a stop pin in accordance with one embodiment of the present invention;
FIG. 4 is a top view of an assembly of a set screw and a spacing pin in accordance with one embodiment of the present invention;
FIG. 5 is a diagram illustrating a state of the rotation adjustment mechanism before the module is adjusted according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a state of the rotation of the adjustment mechanism after the display module is rotated outward according to an embodiment of the present invention;
FIG. 7 is a block diagram of a rotation adjustment mechanism according to one embodiment of the present invention;
FIG. 8 is a schematic view of a bendable hinge according to an embodiment of the invention in a first state;
FIG. 9 is a schematic view of a bendable hinge according to a second embodiment of the present invention;
FIG. 10 is a schematic diagram illustrating an imaging distance before a display module is unadjusted according to an embodiment of the present invention;
FIG. 11 is a schematic diagram illustrating an imaging distance after the display module rotates inward according to an embodiment of the present invention;
fig. 12 is a schematic view illustrating an imaging distance after the display module is rotated outward according to an embodiment of the invention.
In the drawings, 1-head ring device; 2-a bendable hinge; 3-a spectacle body device; 4-a top cover; 5-PCBA mainboard; 6-glasses body support; 7-left eye FPC; 8-right eye FPC; 9-left eye display module; 10-a right eye display module; 11-a rotation adjustment mechanism; 12-a set screw; 13-left eye adjustment bracket; 14-right eye adjustment support; 15-a first locating hole; 16-a first fixation hole; 17-a micro motor; 18-a screw; 19-internal screw thread; 20-a limit pin; 21-a limiting groove; 22-a second fixation hole; 23-a first connection block; 24-a second connection block; 25-image coupling-out; 26-planar optical waveguide.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 12, a pair of multifunctional adjustable AR glasses includes a head ring device 1, a bendable hinge 2 and a glasses body device 3; the head ring device 1 is connected with the glasses main body device 3 through a bendable hinge 2; the glasses main body device 3 comprises a PCBA mainboard 5, a top cover 4, a glasses main body support 6, a left eye FPC7, a right eye FPC8, a left eye display module 9, a right eye display module 10, a left eye rotating mechanism, a right eye rotating mechanism and a rotation adjusting mechanism 11; the PCBA mainboard 5 is arranged in the glasses main body support 6, and the top cover 4 covers the glasses main body support 6; one end of the bendable hinge 2 is connected with the head ring device 1, and the other end is connected with the glasses main body bracket 6; the PCBA main board 5 is connected with a left eye display module 9 through a left eye FPC7 and is connected with a right eye display module 10 through a right eye FPC 8; the glasses main body bracket 6 is connected with a left eye display module 9 through a left eye rotating mechanism and is connected with a right eye display module 10 through a right eye rotating mechanism; the rotation adjusting mechanism 11 adjusts the rotation of the left-eye rotating mechanism and the right-eye rotating mechanism.
In the embodiment, compared with the glasses legs adopted by the existing AR glasses, the head ring device 1 is adopted, and the AR glasses can be conveniently worn by a user through the head ring device 1; the bendable hinge 2 is adopted, so that the glasses main body device 3 can be effectively adjusted, and the glasses main body device is particularly suitable for users with different eye positions; the angle adjustment of the display module is realized through the rotating mechanism and the rotation adjusting mechanism 11.
As shown in fig. 10 to 12, the distance between the position of the image seen by the human eyes and the human eyes is regarded as an imaging distance D, and the adjustment of the image position is realized by adjusting the imaging distance D, so that the virtual image and the real scene are better fused, and the experience of the user using the AR glasses is improved. When the included angle of the left display module and the right display module is b1, the clip angle of the binocular vision of a person is a1, the position of a virtual image formed by the binocular vision is D1, and the left display module and the right display module are in a balanced state or an initial state; when the included angle of the left display module and the right display module is b2 (reduced), the binocular included angle is a2 (increased), and the position of a virtual image formed by the two eyes is D2 (reduced); when the angle between the left and right display modules is b3 (increased), the angle between the eyes of the person is a3 (decreased), and the position of the virtual image formed by the eyes is D3 (increased). In the figure, b2 < b1 < b 3; a3 < a1 < a 2; d2 < D1 < D3; the approximate range of the included angle b is 178-184 ° (i.e. the range of the rotation angle of the display module is about ± 5 °); the imaging distance d ranges from 1m to infinity (when the range of the angle b is not considered). Therefore, the imaging position distance D can be controlled by controlling the included angle between the left-eye display module 9 and the right-eye display module 10, so as to adjust the virtual imaging picture distance seen by human eyes.
In one embodiment, the left eye rotation mechanism includes a left eye set screw and a left eye adjustment bracket 13; the right eye rotating mechanism comprises a right eye positioning screw and a right eye adjusting bracket 14; the left eye adjusting bracket 13 is fixedly connected with the left eye display module 9, and the right eye adjusting bracket 14 is fixedly connected with the right eye display module 10; two first positioning holes 15 are arranged on the glasses body bracket 6; the left-eye positioning screw penetrates through one of the first positioning holes 15 to be fixedly connected with the outer side end of the left-eye adjusting bracket 13, and the right-eye positioning screw penetrates through the other first positioning hole 15 to be fixedly connected with the outer side end of the right-eye adjusting bracket 14.
In this embodiment, the set screw 12 is fixedly connected to the first fixing hole 16 through the first positioning hole 15, so that the left eye set screw is rotatably connected to the glasses main body frame 6 and is fixedly connected to the left eye adjusting frame 13, and the right eye set screw is rotatably connected to the glasses main body frame 6 and is fixedly connected to the right eye adjusting frame 14. The left eye adjusting bracket 13 can rotate around the glasses main body bracket 6 through the positioning screw 12, and the right eye adjusting bracket 14 can rotate around the glasses main body bracket 6 through the positioning screw 12, so that the left eye display module 9 can rotate around the glasses main body bracket 6 through the positioning screw 12, and the right eye display module 10 can also rotate around the glasses main body bracket 6 through the positioning screw 12.
In one embodiment, the rotation adjustment mechanism 11 includes a micro motor 17; the micro motor 17 drives the inner ends of the left eye adjusting bracket 13 and the right eye adjusting bracket 14 to rotate inwards and outwards.
In this embodiment, receive the signal of cell-phone through the procedure or the bluetooth that predetermine on the PCBA mainboard 5, PCBA mainboard 5 converts the operation of signal of telecommunication drive micro motor 17 into, adjusts the rotation of support 13 and right eye adjustment support 14 through micro motor 17 drive left eye, and can realize the accurate control of display module assembly angle through micro motor 17.
In one embodiment, the rotational adjustment mechanism 11 includes a threaded rod 18; the inner side end faces of the left eye adjusting bracket 13 and the right eye adjusting bracket 14 are respectively provided with an internal thread 19, and the internal threads 19 are respectively in clearance thread fit with the screw rods 18; the micro motor 17 is fixed on the glasses body support 6, and drives the inner side ends of the left eye adjusting support 13 and the right eye adjusting support 14 to rotate inwards or outwards through the screw 18.
In this embodiment, the micro motor 17 drives the screw 18 to rotate, and the screw 18 is in threaded connection with the internal threads 19 on the end surfaces of the inner sides of the left eye adjusting bracket 13 and the right eye adjusting bracket 14 in the rotating process, so as to push the end of the inner side of the adjusting bracket to rotate inwards or outwards. The screw 18 and the internal thread 19 are in clearance fit, so that the inner end of the adjusting bracket can rotate inwards or outwards by a small angle (for example, within +/-5 degrees). The rotation adjusting mechanism 11 is disposed inward or outward, i.e., the micro motor 17 may be disposed inward or outward, which is not limited herein.
In one embodiment, the left eye rotation mechanism comprises a first stop pin and the right eye rotation mechanism comprises a second stop pin; a first limit groove and a second limit groove are arranged on the glasses main body bracket 6; the first limiting groove and the second limiting groove are both arc-shaped limiting grooves; the first limiting pin penetrates through the first limiting groove to be fixedly connected with the inner side end of the left eye adjusting support 13, and the second limiting pin penetrates through the second limiting groove to be fixedly connected with the inner side end of the right eye adjusting support 14.
In this embodiment, set up spacing pin 20 and spacing groove 21, be in order to keep display module assembly's balance and firm display module assembly, when display module assembly rotated, spacing pin 20 also can rotate along spacing groove 21.
As shown in fig. 8 and 9, the bendable hinge 2 includes a first connecting block 23 and a second connecting block 24; one end of the first connecting block 23 is rotatably connected to the head ring device 1, the other end is rotatably connected to one end of the second connecting block 24, and the other end of the second connecting block 24 is fixedly connected to the eyeglass body device 3.
In this embodiment, the eyeglasses main body device 3 can be moved to different positions by the rotation of the first link block 23 connected to the headband device 1 and the rotation of the first link block 23 and the second link block 24, and the flexibility is greater.
In one embodiment, the left-eye display module 9 includes a first image coupling-out portion and a first planar optical waveguide; the right-eye display module 10 comprises a second image coupling output part and a second planar optical waveguide; the left eye adjusting bracket 13 is fixedly attached to the edge of the upper end of the first planar optical waveguide; the right eye adjusting bracket 14 is attached and fixed on the upper end edge of the second planar optical waveguide.
In this embodiment, the image coupling and outputting unit 25 is fixedly connected to the planar optical waveguide 26, and the image coupling and outputting unit 25 collimates the image light beam and outputs the collimated image light beam to the planar optical waveguide 26, and then guides the collimated image light beam to the human eye through the planar optical waveguide 26. The adjustment of the angle of the display module is actually the adjustment of the angle of the planar light waveguide 26, and the adjustment of the angle of the planar light waveguide 26 can be realized by adjusting the angle of the bracket.
In one embodiment, the headband means 1 is an endless elastic band.
In this embodiment, the head ring device 1 adopts a simpler annular elastic band, and a user can select an annular elastic band of a certain size according to the size of the head, such as a small size annular elastic band, a medium size annular elastic band and a large size annular elastic band, for the user with different head sizes to select.
In one embodiment, the headgear assembly 1 includes a fastening strap and a locking mechanism; a long sliding groove is formed in the inner side of one end of the fastening belt, a plurality of protrusions are arranged along the long sliding groove, and a slope is formed on one side of each protrusion; the locking mechanism is sleeved at one end of the fastening belt and is fixedly connected with the other end of the fastening belt; the locking mechanism is provided with an elastic rotating shaft, the elastic rotating shaft is connected with a limiting block, and the limiting block is clamped on the bulge; the elastic rotating shaft is also provided with a rotating handle.
In this embodiment, the elastic rotating shaft is under the action of the elastic force, so that the limiting block is abutted against the long sliding groove; when the head ring device 1 needs to be fastened, one hand fixes the locking mechanism, and the other hand pulls one end of the fastening belt, so that the limiting block can slide from the side of the convex slope to the other side, and otherwise, the limiting block is abutted against the other side of the convex slope, and the purpose of fastening the head ring device 1 and locking the head ring device is achieved; when the head ring device 1 needs to be loosened, the rotating handle is pulled lightly to enable the limiting block to bounce and not abut against the other side of the protrusion any more, and then the other end of the fastening belt can be pulled out of the locking mechanism, so that the purpose of loosening the head ring device 1 is achieved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (9)
1. A multi-functional adjustable AR glasses which characterized in that: comprises a head ring device, a bendable hinge and a glasses main body device; the head ring device is connected with the glasses main body device through the bendable hinge; the glasses main body device comprises a PCBA main board, a top cover, a glasses main body support, a left eye FPC, a right eye FPC, a left eye display module, a right eye display module, a left eye rotating mechanism, a right eye rotating mechanism and a rotation adjusting mechanism; the PCBA main board is arranged in the glasses main body support, and the top cover covers the glasses main body support; one end of the bendable hinge is connected with the head ring device, and the other end of the bendable hinge is connected with the glasses main body support; the PCBA main board is connected with the left eye display module through the left eye FPC and connected with the right eye display module through the right eye FPC; the glasses main body support is connected with the left eye display module through the left eye rotating mechanism and is connected with the right eye display module through the right eye rotating mechanism; the rotation adjusting mechanism adjusts the left eye rotating mechanism and the right eye rotating mechanism to rotate.
2. The multi-function adjustable AR glasses according to claim 1, wherein: the left eye rotating mechanism comprises a left eye positioning screw and a left eye adjusting bracket; the right eye rotating mechanism comprises a right eye positioning screw and a right eye adjusting bracket; the left eye adjusting bracket is fixedly connected with the left eye display module, and the right eye adjusting bracket is fixedly connected with the right eye display module; two first positioning holes are formed in the glasses main body support; the left eye positioning screw penetrates through one of the first positioning holes to be fixedly connected with the outer side end of the left eye adjusting support, and the right eye positioning screw penetrates through the other first positioning hole to be fixedly connected with the outer side end of the right eye adjusting support.
3. The multifunctional adjustable AR glasses according to claim 2, wherein: the rotation adjusting mechanism comprises a micro motor; the micro motor drives the inner side ends of the left eye adjusting bracket and the right eye adjusting bracket to rotate inwards and outwards.
4. The multifunctional adjustable AR eyeglasses according to claim 3, wherein: the rotation adjusting mechanism comprises a screw rod; the inner side end faces of the left eye adjusting bracket and the right eye adjusting bracket are respectively provided with internal threads, and the internal threads are respectively in clearance thread fit with the screw; the micro motor is fixed on the glasses main body support, and the inner side ends of the left eye adjusting support and the right eye adjusting support are driven by the screw rod to rotate inwards or outwards.
5. The multifunctional adjustable AR eyeglasses according to claim 4, wherein: the left eye rotating mechanism comprises a first limiting pin, and the right eye rotating mechanism comprises a second limiting pin; the glasses main body bracket is provided with a first limiting groove and a second limiting groove; the first limiting groove and the second limiting groove are both arc-shaped limiting grooves; the first limiting pin penetrates through the first limiting groove and is fixedly connected with the inner side end of the left eye adjusting support, and the second limiting pin penetrates through the second limiting groove and is fixedly connected with the inner side end of the right eye adjusting support.
6. The multifunctional adjustable AR glasses according to claim 1, wherein: the bendable hinge comprises a first connecting block and a second connecting block; one end of the first connecting block is rotatably connected with the head ring device, the other end of the first connecting block is rotatably connected with one end of the second connecting block, and the other end of the second connecting block is fixedly connected with the glasses main body device.
7. The multifunctional adjustable AR glasses according to claim 2, wherein: the left-eye display module comprises a first image coupling output part and a first plane light waveguide; the right-eye display module comprises a second image coupling output part and a second plane optical waveguide; the left eye adjusting bracket is fixedly attached to the edge of the upper end of the first planar optical waveguide; and the right eye adjusting bracket is attached and fixed to the edge of the upper end of the second planar optical waveguide.
8. The multifunctional adjustable AR glasses according to claim 1, wherein: the head ring device is an annular elastic band.
9. The multifunctional adjustable AR glasses according to claim 1, wherein: the head ring device comprises a fastening belt and a locking mechanism; a long sliding groove is formed in the inner side of one end of the fastening belt, a plurality of protrusions are arranged along the long sliding groove, and a slope is formed on one side of each protrusion; the locking mechanism is sleeved at one end of the fastening belt and is fixedly connected with the other end of the fastening belt; the locking mechanism is provided with an elastic rotating shaft, the elastic rotating shaft is connected with a limiting block, and the limiting block is clamped on the protrusion; the elastic rotating shaft is also provided with a rotating handle.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116931270A (en) * | 2023-06-06 | 2023-10-24 | 徐州维啊智能科技有限公司 | VR glasses anti-drop device |
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| CN211433341U (en) * | 2019-08-08 | 2020-09-08 | 北京缙铖医疗科技有限公司 | Display helmet for endoscopic surgery |
| CN112485905A (en) * | 2019-09-12 | 2021-03-12 | 郑民治 | Novel VR/AR/MR intelligent glasses |
| CN113311584A (en) * | 2021-06-17 | 2021-08-27 | 上海理湃光晶技术有限公司 | AR (augmented reality) glasses with vision correction function |
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| CN116931270A (en) * | 2023-06-06 | 2023-10-24 | 徐州维啊智能科技有限公司 | VR glasses anti-drop device |
| CN116931270B (en) * | 2023-06-06 | 2023-12-29 | 徐州维啊智能科技有限公司 | VR glasses anti-drop device |
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