CN110007465B - Lens adjusting device and VR wear product - Google Patents
Lens adjusting device and VR wear product Download PDFInfo
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- CN110007465B CN110007465B CN201910333299.5A CN201910333299A CN110007465B CN 110007465 B CN110007465 B CN 110007465B CN 201910333299 A CN201910333299 A CN 201910333299A CN 110007465 B CN110007465 B CN 110007465B
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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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Abstract
The invention belongs to the technical field of head-mounted equipment, and particularly relates to a lens adjusting device and a VR (virtual reality) head-mounted product; the lens adjusting device comprises a lens cone structure, a display screen fixedly arranged on the lens cone structure, two planar lenses, a convex lens component arranged corresponding to the planar lenses and an adjusting mechanism for driving the two convex lens components to slide, wherein the planar lenses are fixedly arranged at one ends, far away from the display screen, of the two cylinders of the lens cone structure; VR head-mounted product includes the shell and installs the lens adjusting device in the cavity that the shell encloses, corresponds two barrel punishment on the shell and is equipped with the window respectively, corresponds knob department and is equipped with microscler through-hole. The lens adjusting device and the VR head-mounted product have the advantages that the structure is simple, the adjustment is convenient, and the production cost can be effectively reduced.
Description
Technical Field
The invention belongs to the technical field of head-mounted equipment, and particularly relates to a lens adjusting device and a VR (virtual reality) head-mounted product.
Background
At present, in order to facilitate adjustment of VR head-mounted products to be suitable for different users, a structure form of two display screens and two lenses is adopted, and one display screen and the corresponding lens are mounted on one lens barrel to be assembled into a dust-free chamber structure (a sealed space formed between one display screen and the corresponding lens is generally called a dust-free chamber). When adjusting the distance between two lenses, need remove through whole dust free chamber structure of adjustment mechanism drive, just can realize the regulation of distance between two lenses, whole structure is more complicated not convenient for adjust, leads to manufacturing cost than higher moreover.
Disclosure of Invention
The invention aims to provide a lens adjusting device and a VR (virtual reality) head-mounted product, and aims to solve the problems of inconvenience in adjustment and high production cost caused by complex structure of the existing VR head-mounted product.
The invention is realized in such a way that the lens adjusting device comprises a lens cone structure and a display screen fixedly arranged on the lens cone structure, wherein plane lenses are fixedly arranged on one ends of two cylinders of the lens cone structure, which are far away from the display screen, respectively; the adjusting mechanism is arranged at the same side of the two cylinders and used for driving the two convex mirror assemblies to slide in the opposite or deviating direction.
As an improvement, the adjusting mechanism comprises a sliding shaft, two sliding blocks respectively mounted on the sliding shaft in a sliding manner, and a knob, wherein a driving gear coaxially arranged with the knob is arranged on the side surface of the knob, and racks which are engaged with two opposite sides of the driving gear and extend along the sliding direction are respectively arranged on the two sliding blocks.
As a modification, the sliding shafts are arranged at intervals of two.
As an improvement, the lens cone structure is an integrated structure and comprises an installation plate, wherein an accommodating groove is formed in one side surface of the installation plate, and the two cylinders are arranged on the other side surface of the installation plate and communicated with the accommodating groove; the display screen is of an integrated structure and is arranged in the accommodating groove; and outer side brackets are respectively arranged on the mounting plate parts at the outer sides of the two cylinders, and the sliding shaft is fixedly mounted between the two outer side brackets.
As an improvement, a middle bracket is arranged on the mounting plate part between the two cylinders, and the middle position of the sliding shaft is fixedly mounted with the middle bracket.
As an improvement, the lens adjusting device also comprises a feedback mechanism in transmission connection with the knob.
As an improvement, the feedback mechanism comprises an encoder and a rotating wheel fixedly installed together with the encoder, a driving wheel coaxially arranged with the encoder is further arranged on the side face of the knob, and the rotating wheel is in transmission connection with the driving wheel.
The VR headset comprises a shell and a lens adjusting device arranged in a cavity enclosed by the shell, wherein windows are respectively arranged on the shell corresponding to the two cylinders, and long through holes for allowing the side edges of the window to penetrate out of the cavity enclosed by the shell are arranged on the shell corresponding to the knobs.
As an improvement, the two convex mirror assemblies are arranged outside a cavity enclosed by the shell.
As an improvement, the side edge of each convex mirror assembly is rotatably connected with the corresponding sliding block, and a detachable fastening structure is arranged between the other side edge opposite to the convex mirror assembly and the shell.
As an improvement, the removable fastening structure includes a ferromagnetic metal plate fixedly mounted on the housing and disposed in the sliding direction, and a magnet fixed on the convex mirror assembly.
By adopting the technical scheme, the lens adjusting device comprises a lens cone structure and a display screen fixedly arranged on the lens cone structure, wherein planar lenses are fixedly arranged at one ends, far away from the display screen, of two cylinders of the lens cone structure respectively, and the lens adjusting device also comprises convex surface mirror assemblies respectively corresponding to the planar lenses and an adjusting mechanism arranged at the same side of the two cylinders and used for driving the two convex surface mirror assemblies to slide in opposite directions or in opposite directions; the VR head-mounted product comprises a shell and a lens adjusting device arranged in a cavity enclosed by the shell, wherein the shell is provided with windows corresponding to the two cylinders, and is provided with a long through hole for the side edge of the shell to penetrate out of the outer side of the cavity enclosed by the shell corresponding to the knob. The display screen, the lens cone structure and the two plane lenses are fixedly arranged together to form a closed space structure, the two convex mirror assemblies are separated from the closed space structure, the distance between the two convex mirror assemblies is adjusted through the adjusting mechanism, the closed space structure is not affected, and the sealing performance of the closed space structure can be ensured to prevent dust, sundries and the like from entering; when the distance between the two convex mirror assemblies is adjusted, the display screen and the lens cone structure cannot move along with the movement, only the two convex mirror assemblies move, the structure is very simple, and the adjustment is very convenient.
Drawings
FIG. 1 is a schematic perspective view of a lens adjustment apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of a lens adjustment apparatus according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a VR headset according to an embodiment of the invention;
the lens barrel comprises a lens barrel structure 10, a lens barrel structure 11, a mounting plate 12a, a cylinder 12b, a cylinder 13a, a plane lens 13b, a plane lens 14a, an outer bracket 14b, an outer bracket 14c, a middle bracket 20, a display screen 30, a pressing plate 40, an adjusting mechanism 41, a knob 42, a sliding shaft 43a, a sliding block 43b, a sliding block 44a, a rack 44b, a rack 50a, a convex mirror assembly 50b, a convex mirror assembly 51a, a magnet 51b, a magnet 60, a shell 61a, a window 61b, a window 62, a long through hole 63a, a ferromagnetic metal plate 63b, a ferromagnetic metal plate 70, a feedback mechanism 71, an encoder 72, a rotating wheel 73, an FPC flexible plate 74, a driving wheel 75 and a transmission gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 to 3 are schematic structural diagrams of a lens adjustment device and a VR headset according to the present invention, where fig. 1 shows a schematic perspective structural diagram of the lens adjustment device according to an embodiment of the present invention, fig. 2 shows an exploded schematic structural diagram of the lens adjustment device according to an embodiment of the present invention, and fig. 3 shows a schematic perspective structural diagram of the VR headset according to an embodiment of the present invention. For the sake of convenience, only the portions related to the embodiments of the present invention are shown in the drawings.
As can be seen from fig. 1, 2 and 3, the lens adjusting device includes a lens barrel structure 10 and a display screen 20 fixedly mounted on the lens barrel structure 10, and a planar lens 13a and a planar lens 13b are respectively and fixedly mounted on ends of a barrel 12a and a barrel 12b of the lens barrel structure 10, which are far away from the display screen 20; the adjusting mechanism 40 is arranged at the same side of the cylinder 12a and the cylinder 12b and is used for driving the convex mirror assembly 50a and the convex mirror assembly 50b to slide in the opposite or opposite directions.
The display screen 20, the lens barrel structure 10, and the flat lenses 13a and 13b are fixedly mounted together to form a sealed space structure, the convex lens assembly 50a is separated from the convex lens assembly 50b and the sealed space structure, the distance between the convex mirror assembly 50a and the convex mirror assembly 50b is adjusted by the adjusting mechanism 40 without influencing the closed space structure, thereby ensuring the sealing performance of the closed space structure to avoid dust and sundries from entering, when the distance between the convex mirror assembly 50a and the convex mirror assembly 50b is adjusted, the display screen 20 and the lens cone structure 10 cannot move along with the movement, and only the convex mirror assembly 50a and the convex mirror assembly 50b move, so that the structure is very simple, the adjustment is very convenient, the production cost can be reduced, and the lens adjusting device solves the problems of inconvenient adjustment and high production cost caused by the complex structure of the existing VR headset.
In the present embodiment, the adjusting mechanism 40 includes a sliding shaft 42, a slider 43a and a slider 43b slidably mounted on the sliding shaft 42, respectively, and a knob 41, a pinion gear coaxially disposed on a side surface of the knob 41 is provided, and a rack 44a and a rack 44b engaged with opposite sides of the pinion gear are provided on the slider 43a and the slider 43b, respectively. During adjustment, the knob 41 drives the driving gear to synchronously rotate, and the sliding blocks 43a and 43b are driven to simultaneously slide in opposite directions or in opposite directions along the sliding shaft 42 through transmission among the racks 44a and 44b and the driving gear, so that the distance between the convex mirror assembly 50a and the convex mirror assembly 50b is adjusted.
Two slide shafts 42 are provided at an interval in order to facilitate the sliding of the sliders 43a and 43b along the slide shafts 42 and to prevent the sliders 43a and 43b from rotating during the sliding.
In this embodiment, the lens barrel structure 10 is an integrated structure, and includes an installation plate 11, a receiving groove is provided on one side surface of the installation plate 11, and a barrel 12a and a barrel 12b are provided on the other side surface of the installation plate 11 and are communicated with the receiving groove; the display panel 20 is disposed in the receiving groove and fixed by a pressing plate 30 fixedly mounted to the mounting plate 11.
In order to facilitate the installation of the sliding shaft 42, the outer side brackets 14a and 14b are respectively provided on the mounting plate 11 portions outside the cylindrical bodies 12a and 12b, and the sliding shaft 42 is fixedly installed between the outer side brackets 14a and 14 b.
Further, since the sliding shaft 42 is thin, and when the knob 41 drives the sliding blocks 43a and 43b to slide along the sliding shaft 42, a certain torque is generated on the sliding shaft 42, which easily causes the sliding shaft 42 to deform, thereby affecting the transmission of the driving gear with the rack 44a and the rack 44b, and the sliding of the sliding blocks 43a and 43b along the sliding shaft 42, the middle bracket 14c is arranged on the portion of the mounting plate 11 between the cylinder 12a and the cylinder 12b, the middle position of the sliding shaft 42 is fixedly mounted with the middle bracket 14c, and the middle bracket 14c can form a support.
In this embodiment, the display screen 20 is a split structure, and includes two screens respectively corresponding to the cylinder 12a and the cylinder 12b, and a conduction structure is provided between the two screens.
Generally, in order to reduce the production cost and ensure the reliability of the product, the display screen 20 is of an integrated structure, so that the conduction structure is not required to be arranged, the reliability can be improved, and the production cost can be effectively reduced.
In this embodiment, when in use, the convex mirror assembly 50a and the convex mirror assembly 50b need to be adjusted to the eyes of a user, the relative position relationship between the convex mirror assembly 50a and the convex mirror assembly 50b and the display screen 20 changes, in order to facilitate better visual experience, the lens adjusting device further comprises a feedback mechanism 70 in transmission connection with the knob 41, specifically, the feedback mechanism 70 comprises an encoder 71 and a rotating wheel 72 fixedly installed together with the encoder 71, a driving wheel 74 coaxially arranged with the encoder 71 is further arranged on the side surface of the knob 41, the rotating wheel 72 is in transmission connection with the driving wheel 74, and the encoder 71 is electrically connected with the main board of the VR headset through the FPC flexible board 73. Usually, the encoder 71 is a mechanical encoder and is fixedly mounted with the PCB, and the FPC flexible board 73 is connected between the PCB and the main board of the VR headset; drive wheel 74, runner 72 are the gear, be equipped with drive gear 75 between drive wheel 74 and runner 72, drive wheel 74, runner 72 respectively with the meshing of the side that corresponds of drive gear 75, like this, just accessible drive wheel 74, drive gear 75 drive runner 72 rotates when rotating knob 41, thereby drive encoder 71 rotates, give the mainboard feedback signal of VR head-mounted product by encoder 71, just can be through the display position of picture on the mainboard control display screen 20, thereby make the user obtain better experience effect.
Generally, the knob 41, the wheel 72, and the transmission gear 75 are rotatably mounted on the housing 60 of the VR headset.
In this embodiment, since the convex mirror assembly 50a slides in the range of the flat mirror 13a along the sliding direction and the convex mirror assembly 50b slides in the range of the flat mirror 13b along the sliding direction, the length of the flat mirror 13a and the flat mirror 13b along the sliding direction is usually greater than the width of the flat mirror 13a and the flat mirror 13b along the perpendicular sliding direction, which is equivalent to increasing the range of the flat mirror 13a and the flat mirror 13b along the sliding direction, and the convex mirror assembly 50a and the convex mirror assembly 50b can be prevented from exceeding the range of the corresponding flat mirror 13a and the corresponding flat mirror 13b along the sliding direction when sliding.
The embodiment of the invention also relates to a VR (virtual reality) head-wearing product, which comprises a shell 60 and a lens adjusting device arranged in a cavity enclosed by the shell 60, wherein the shell 60 is provided with a window 61a and a window 61b corresponding to the cylinder 12a and the cylinder 12b respectively, and a long through hole 62 is arranged at the position corresponding to the knob 41, and the side edge of the long through hole penetrates out of the cavity enclosed by the shell 60.
The display screen 20, the lens barrel structure 10, the plane lens 13a and the plane lens 13b of the VR headset are fixedly mounted together to form a closed space structure, the convex mirror assembly 50a is separated from the convex mirror assembly 50b, and the closed space structure is separated from the convex mirror assembly 50a, so that the closed space structure is not affected when the distance between the convex mirror assembly 50a and the convex mirror assembly 50b is adjusted through the adjusting mechanism 40, the sealing performance of the closed space structure can be guaranteed, dust, sundries and the like can be prevented from entering the closed space structure, the display screen 20 is of an integrated structure, and the reliability can be guaranteed without arranging a conduction structure.
In the embodiment, the convex mirror assembly 50a and the convex mirror assembly 50b are disposed outside the cavity surrounded by the housing 60, which not only saves the space of the cavity surrounded by the housing 60, but also facilitates the sliding of the convex mirror assembly 50a and the convex mirror assembly 50 b.
In order to facilitate cleaning of the convex mirror assembly 50a and the convex mirror assembly 50b, the side edge of the convex mirror assembly 50a and the corresponding slide block 43a are respectively rotatably connected with the side edge of the convex mirror assembly 50b and the corresponding slide block 43b, and a detachable fastening structure is respectively arranged between the other side edge opposite to the convex mirror assembly 50a and the other side edge opposite to the convex mirror assembly 50b and the housing 60, and the detachable fastening structure comprises a ferromagnetic metal plate fixedly arranged on the housing 60 and arranged along the sliding direction of the convex mirror assembly 50a and the convex mirror assembly 50b, and a magnet fixed on the convex mirror assembly.
Specifically, the upper sides of the convex mirror assembly 50a and the convex mirror assembly 50b are rotatably connected with the sliding block 43a and the sliding block 43b, the upper sides of the window 61a and the window 61b are respectively provided with a long chute, the sliding block 43a and the sliding block 43b are respectively provided with an installation frame penetrating through the corresponding long chute, the upper sides of the convex mirror assembly 50a and the convex mirror assembly 50b are rotatably connected with the corresponding installation frame, the lower sides of the window 61a and the window 61b are respectively provided with a ferromagnetic metal plate 63a and a ferromagnetic metal plate 63b, and the lower sides of the convex mirror assembly 50a and the convex mirror assembly 50b are respectively provided with a magnet 51a and a magnet 51 b. When the convex mirror assembly 50a and the convex mirror assembly 50b need to be cleaned, the magnet 51a is separated from the ferromagnetic metal plate 63a and the magnet 51b is separated from the ferromagnetic metal plate 63b, and the convex mirror assembly 50a and the convex mirror assembly 50b can be cleaned after being lifted, which is very convenient, and after the cleaning is finished, the convex mirror assembly 50a and the convex mirror assembly 50b are rotated reversely, so that the magnet 51a, the ferromagnetic metal plate 63a, the magnet 51b and the ferromagnetic metal plate 63b are adsorbed together.
Generally, the convex mirror assemblies 50a and 50b respectively include a frame and a convex mirror mounted on the frame, wherein a rotary mounting portion is provided at an upper side of the frame, and a magnet mounting portion is provided at a lower side of the frame, so as to facilitate mounting.
In this embodiment, the housing 60 includes a back cover and a front cover that are fastened together, the lens adjusting device is disposed in a cavity enclosed by the back cover and the front cover, and the window 61a, the window 61b, and the elongated through hole 62 are disposed on the back cover.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A lens adjusting device is characterized by comprising a lens cone structure and a display screen fixedly arranged on the lens cone structure, wherein planar lenses are fixedly arranged on one ends, far away from the display screen, of two cylinders of the lens cone structure respectively, and the display screen, the lens cone structure and the two planar lenses are fixedly arranged together to form a closed space structure; the adjusting mechanism is arranged at the same side of the two cylinders and used for driving the two convex mirror assemblies to slide in the opposite or deviating direction.
2. The lens adjusting apparatus according to claim 1, wherein the adjusting mechanism includes a sliding shaft, two sliders slidably mounted on the sliding shaft, respectively, and a knob, a pinion gear coaxially disposed on a side surface of the knob, and racks respectively engaged with opposite sides of the pinion gear and extending in a sliding direction on the two sliders.
3. The lens adjusting apparatus according to claim 2, wherein the sliding shafts are provided at intervals of two.
4. The lens adjusting device according to claim 2, wherein the lens barrel structure is an integral structure, the lens barrel structure includes a mounting plate, a receiving groove is provided on one side surface of the mounting plate, and the two barrels are provided on the other side surface of the mounting plate and communicate with the receiving groove; the display screen is of an integrated structure and is arranged in the accommodating groove; and outer side brackets are respectively arranged on the mounting plate parts at the outer sides of the two cylinders, and the sliding shaft is fixedly mounted between the two outer side brackets.
5. The lens adjusting apparatus according to claim 4, wherein a middle bracket is provided on a portion of the mounting plate between the two cylinder bodies, and the sliding shaft is fixedly mounted to the middle bracket at a middle position thereof.
6. The lens adjustment device of any one of claims 2 to 5, further comprising a feedback mechanism drivingly connected to the knob.
7. The lens adjustment device of claim 6, wherein the feedback mechanism comprises an encoder and a rotating wheel fixedly mounted with the encoder, and a driving wheel is coaxially disposed on a side surface of the knob, and the rotating wheel is in transmission connection with the driving wheel.
8. A VR headset comprising a housing and further comprising the lens adjustment apparatus of any of claims 2-7 mounted in a cavity enclosed by the housing, wherein the housing is provided with windows corresponding to the two barrels and elongated through holes corresponding to the knobs for allowing the side edges of the through holes to penetrate to the outside of the cavity enclosed by the housing.
9. The VR headset of claim 8, wherein the convex mirror assemblies are disposed outside of a cavity enclosed by the housing.
10. The VR headset of claim 9, wherein each convex mirror assembly is pivotally coupled at one side to a corresponding slide, and wherein a removable fastening structure is provided between each convex mirror assembly and the housing at an opposite side.
11. The VR headset of claim 10, wherein the removable fastening structure includes a ferromagnetic metal plate fixedly mounted to the housing and disposed in a sliding orientation, and a magnet fixed to the convex mirror assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910333299.5A CN110007465B (en) | 2019-04-24 | 2019-04-24 | Lens adjusting device and VR wear product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910333299.5A CN110007465B (en) | 2019-04-24 | 2019-04-24 | Lens adjusting device and VR wear product |
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| CN110007465A CN110007465A (en) | 2019-07-12 |
| CN110007465B true CN110007465B (en) | 2021-12-07 |
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| CN201910333299.5A Active CN110007465B (en) | 2019-04-24 | 2019-04-24 | Lens adjusting device and VR wear product |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112987308B (en) * | 2021-02-22 | 2022-07-12 | 歌尔股份有限公司 | Intelligent head-mounted equipment |
| CN113552795B (en) * | 2021-07-28 | 2022-10-28 | 歌尔科技有限公司 | Wearable device |
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