WO2023005793A1 - 一种眼部可调节头戴设备 - Google Patents
一种眼部可调节头戴设备 Download PDFInfo
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- WO2023005793A1 WO2023005793A1 PCT/CN2022/107056 CN2022107056W WO2023005793A1 WO 2023005793 A1 WO2023005793 A1 WO 2023005793A1 CN 2022107056 W CN2022107056 W CN 2022107056W WO 2023005793 A1 WO2023005793 A1 WO 2023005793A1
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- eye
- toggle switch
- runner
- gear
- mounted device
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- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 10
- 208000024875 Infantile dystonia-parkinsonism Diseases 0.000 description 23
- 208000001543 infantile parkinsonism-dystonia Diseases 0.000 description 23
- 230000007246 mechanism Effects 0.000 description 9
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- 230000004308 accommodation Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
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- 238000009434 installation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
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- 210000001747 pupil Anatomy 0.000 description 1
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- 230000000979 retarding effect Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
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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
Definitions
- the present application relates to the technical field of wearable devices, and more specifically, relates to an eye-adjustable head-mounted device.
- IPD Interpupillary Distance, interpupillary distance
- the appropriate lens barrel distance will be adjusted according to the individual interpupillary distance. Because people of different age groups and different regions (America, Asia, Europe) Different IPDs will lead to the limitation and niche use of a VR product, which will not be conducive to the popularization and promotion of the product.
- Eye Relief exit pupil distance
- the adjustment of Eye Relief is to allow myopic users to see clearly without wearing glasses.
- the purpose of this application is to provide an eye-adjustable head-mounted device.
- This mechanism can realize the joint adjustment and separate adjustment of the distance of IPD and Eye Relief, and the operation is simple and the performance is stable and reliable.
- An eye-adjustable headset comprising:
- a bracket which is equipped with a movable lens barrel
- a rotating part which is rotatably connected to the bracket to adjust the axial distance between it and the bracket;
- a runner which is rotatably connected to the rotating part
- a toggle switch which is arranged on the rotating part to drive it to rotate, and can move axially to connect or disengage the runner. In the connected state, the toggle switch can drive the runner to rotate;
- a gear which is connected to the rotating wheel in the circumferential direction through an elastic member, and engages with the rotating part in the axial direction; the lens barrel and the gear are fixed in the axial direction, and the gear is driven by a rack
- the two lens barrels approach or move away from each other in the radial direction.
- the runner is provided with a groove body whose width changes along the circumferential direction, and a clamping piece is slidably provided in the groove body, and when the clamping piece is located at the wide diameter portion or the narrow diameter portion of the groove body,
- the rotating wheel can rotate freely or be fixed in the circumferential direction relative to the rotating part, and the rotation of the toggle switch can adjust the position of the engaging member.
- the rotating part includes:
- the rear shell is rotatably connected to the bracket, and is provided with a central shaft, and the central shaft is locked and positioned axially with the gear;
- the front shell is fastened to the rear shell to form an accommodation cavity
- the toggle switch and the runner are both arranged in the accommodation cavity, and are socketed with the central shaft, and the toggle switch protruding radially from the rear shell.
- the inner wall of the rotating part is sleeved on the outer edge of the runner, and the inner wall and the groove on the outer edge enclose the groove body;
- the engaging member is a ball.
- the toggle switch has an axial protrusion, and the axial protrusion is used for clamping with the groove body.
- the runner has at least two grooves, which are evenly arranged along the circumference;
- the toggle switch includes at least two support arms, the support arms are provided with the axial protrusions, and each of the grooves is used for engaging with the corresponding axial protrusions.
- the number of the tanks is two, the number of the support arms is four, the two tanks are symmetrically arranged about the central axis, and the four support arms are symmetrically arranged about the central axis.
- the gear meshes with two racks are parallel and opposite, and the two racks are respectively connected to the corresponding lens barrels;
- the bracket is provided with parallel upper guide shafts and lower guide shafts of the lens barrel, and the lens barrel moves along the upper guide shafts of the lens barrel and the lower guide shafts of the lens barrel.
- the elastic member is a coil spring, the central end of the coil spring is fixed to the gear, and the outer end of the coil spring is fixed to the runner;
- the eye-adjustable head-mounted device provided by this application can realize the joint adjustment of IPD and Eye Relief through the above process, or adjust one of the two separately, so as to realize the state adjustment of the wearable device.
- the control dial is required Manual switch, simple operation, stable and reliable performance.
- the rotating wheel of the device is provided with a groove body with variable diameter and width, and a clamping piece is arranged in the groove body, and the position of the clamping piece will be changed during the rotation of the toggle switch.
- the toggle switch can be moved axially to realize the connection between the toggle switch and the runner.
- the rotation of the toggle switch can drive the rotating part and the runner to rotate.
- the counterclockwise rotation of the toggle switch drives the runner to rotate counterclockwise, so that the clamping piece slides into the wide diameter part of the groove body.
- the distance of the lens barrel increases the size of the IPD; at the same time, the counterclockwise rotation of the toggle switch also drives the rotating part to rotate counterclockwise, correspondingly making the rotating part close to the bracket. Since the rotating part and the gear are clamped in the axial direction, the gear is close to The bracket drives the lens barrel close to the bracket to increase the Eye Relief distance. Similarly, a reduction in IPD size and Eye Relief can be achieved by turning clockwise.
- the toggle switch can be moved axially to separate the toggle switch from the runner.
- the rotation of the toggle switch can only drive the rotating part to rotate without affecting the runner.
- the forward or reverse rotation of the switch can be relatively close to or far away from the bracket, and the rotating part and the gear are axially clamped, and the gear and the lens barrel are axially fixed, so the rotation of the toggle switch can directly adjust the distance between the lens barrel and the bracket, thereby Realize the increase or decrease of Eye Relief distance.
- FIG. 1 is a schematic diagram of an eye-adjustable head-mounted device provided by the present application
- FIG. 2 is a front view of the eye-adjustable head-mounted device provided by the present application.
- Fig. 3 is a partial sectional view of area A in Fig. 1;
- Figure 4 is a front view of the adjustment mechanism provided in Figure 3;
- FIG. 5 is a cross-sectional view of the eye-adjustable head-mounted device provided by the present application.
- reference sign comprises:
- Front shell 8 gear 9, runner 10, toggle switch 11, coil spring 12, rear shell 13, clip 14.
- the core of this application is to provide an eye-adjustable head-mounted device. This mechanism can realize the simultaneous adjustment and separate adjustment of the distances of IPD and Eye Relief, with simple operation and stable and reliable performance.
- the present application provides an eye-adjustable head-mounted device, which is mainly used to be worn on the head or adapted to the user's eyes for use.
- the above wearable device includes a bracket 6 , an adjustment mechanism 2 , a left lens barrel 3 and a right lens barrel 5 .
- the bracket 6 is a supporting structure for installing the lens barrel and the adjusting mechanism 2 of the lens barrel, wherein the lens barrel includes a left lens barrel 3 and a right lens barrel 5 .
- the left lens barrel 3 and the right lens barrel 5 are installed on the support 6 through the adjustment mechanism 2, and the distance between the two lens barrels and the support 6 and the distance between the two lens barrels are adjusted by the adjustment mechanism 2.
- regulating mechanism 2 comprises:
- a rotating part which is rotatably connected to the bracket 6, to adjust the axial distance from the bracket 6;
- a runner 10 which is rotatably connected to the rotating part
- Toggle switch 11 which is arranged on the rotating part to drive it to rotate, and can move axially to connect or break away from the runner 10. In the connected state, the toggle switch 11 can drive the runner 10 to rotate;
- the gear 9 is connected with the runner 10 in the circumferential direction through an elastic member, and is engaged with the rotating part in the axial direction.
- the lens barrel and the gear 9 are fixed in the axial direction, and the gear 9 drives the two lens barrels 3 along the Radially closer or farther away.
- the rotating part is used to install the gear 9, the rotating wheel 10 and the toggle switch 11, which can be a frame structure or a box structure, and the installation gear 9, the rotating wheel 10 and the toggle switch 11 can be installed on the rotating part. internal.
- the rotating part and the bracket 6 may be threaded, so that the relative rotation of the two forms axial movement.
- Gear 9, runner 10, and toggle switch 11 are all rotatably arranged coaxially with the rotating part, that is, the rotation axis of the rotating part relative to the bracket 10 is the same as that of the gear 9, runner 10, and toggle switch 11 relative to the rotating part.
- axes of rotation are collinear.
- the toggle switch 11 When in use, when both IPD and Eye Relief need to be adjusted, the toggle switch 11 can be moved axially to realize the connection between the toggle switch 11 and the runner 10. At this time, the rotation of the toggle switch 11 can drive the rotating part, The running wheel 10 realizes rotation.
- the distance between the two lens barrels can be manually adjusted directly, because the change of the distance between the lens barrels drives the gear 9 to rotate, and the gear 9 is connected to the runner through an elastic member, which drives the runner 10 to rotate.
- the toggle switch 11 can be moved axially to separate the toggle switch 11 from the runner 10. At this time, the rotation of the toggle switch 11 can only drive the rotating part to rotate without affecting the runner 10.
- the eye-adjustable head-mounted device provided by this application can realize the joint adjustment of IPD and Eye Relief through the above process, or adjust one of the two separately, so as to realize the state adjustment of the wearable device.
- the control dial is required Manual switch, simple operation, stable and reliable performance.
- the runner 10 is provided with a ring along the circumferential direction.
- a clamping piece 14 is slid in the tank.
- the clamping piece 14 is located at the wide or narrow diameter portion of the tank, the corresponding runner 10 can rotate freely or be fixed circumferentially relative to the rotating part.
- the position of the clamping member 14 can be adjusted by the rotation of the movable switch 11.
- the runner 10 is provided with a groove body with a reduced diameter, and when the clamping member 14 slides therein, only the narrow diameter part will form a clamping connection, thereby preventing the rotation of the runner.
- the toggle switch 11 can drive the rotating part to rotate, and part of the structure of the toggle switch 11 can extend into the groove body, so as to push the clip 14 to move when rotating, or drive the runner to rotate so that the clip 14 passively enters the groove in the corresponding position of the body.
- the toggle switch 11 is partially located at the narrow diameter portion of the tank body, and the clamping member 14 is located at the wide diameter portion. If the toggle switch 11 rotates clockwise, that is, away from the clamping member 14, the clamping member 14 is passively moved to the wide diameter portion, which will not limit the rotation of the runner 10; if the toggle switch 11 rotates counterclockwise, that is Approaching and pressing the clamping piece 14 , the clamping piece 14 is pushed to the wide diameter portion, and the rotation of the rotating wheel 10 will not be restricted at this time. That is to say, turning the toggle switch 11 in any direction can make the engaging member 14 in a position where the rotating wheel 10 does not rotate.
- the gear 9 will start to rotate only after the toggle switch 11 drives the rotating wheel 10 to rotate at a certain angle.
- the toggle switch 11 rotates counterclockwise to drive the runner 10 to rotate counterclockwise, so that the clamping piece 14 slides into the wide diameter part of the groove body, and there is no clamping on the runner limited, the runner 10 can rotate freely, thereby driving the gear 9 to rotate through the elastic member, thereby driving the distance between the two lens barrels, and realizing the increase of the IPD size; at the same time, the counterclockwise rotation of the toggle switch 11 also drives the rotating part to rotate counterclockwise , corresponding to make the rotating part close to the bracket 6, because the rotating part and the gear 9 are clamped in the axial direction, so the gear 9 is close to the bracket, driving the lens barrel close to the bracket 6, so as to realize the increase of the Eye Relief distance.
- This structure can also increase the Eye Relief distance when the IPD distance decreases, or increase the IPD distance.
- the reduction of the Eye Relief distance can be achieved by exchanging the circumferential positions of the wide-diameter part and the narrow-diameter part, or changing the rotational relationship between the rotating part and the bracket 6.
- the distance between the two lens barrels can be manually adjusted directly, because the change of the distance between the lens barrels drives the gear 9 to rotate, and the gear 9 is connected to the runner through an elastic member, which drives the runner 10 to rotate.
- the dial can be controlled
- the automatic switch is separated from the runner 10, so as to disconnect the circumferential transmission, and realize the independent adjustment of the IPD distance without changing the Eye Relief distance.
- no matter whether the runner 10 rotates clockwise or counterclockwise, as long as the toggle switch 11 does not rotate the clips will be limited in the narrow diameter part, forming a self-locking state, and then preventing the rotating part from rotating. rotation.
- the toggle switch 11 can be moved axially to separate the toggle switch 11 from the runner 10. At this time, the rotation of the toggle switch 11 can only drive the rotating part to rotate without affecting the runner 10. Since the forward or reverse rotation of the rotating part can be relatively close to or far away from the bracket, and the rotating part is axially clamped with the gear 9, and the gear 9 is axially fixed with the lens barrel, so the rotation of the toggle switch 11 can be directly adjusted The distance between the lens barrel and the bracket 6, so as to realize the increase or decrease of the Eye Relief distance.
- the rotating part includes a rear case 13 and a front case 8 .
- the rear shell 13 is rotatably connected to the bracket 6, and the front shell 8 is fastened to the rear shell 13 to form an accommodation cavity.
- the rear shell 13 is provided with a central shaft, and the central shaft and the gear 9 are axially clamped and positioned, so that when the central shaft moves axially , which can drive the gear 9 to move in the axial direction.
- the toggle switch 11 and the runner 10 are all arranged in the accommodation cavity, and the accommodation cavity can realize the purpose of protecting the above-mentioned structure, and the toggle switch 11 and the runner 10 are all socketed with the central shaft, and the toggle switch 11 extends radially. Out of the rear case 13.
- the rotation axis of the rear shell 13 is arranged coaxially with the toggle switch 11 and the runner 10, and the front shell 8 forms a seal for the toggle switch 11 and the runner 10, which is convenient for the toggle switch 11 to rotate Drive rear case 13 to rotate.
- the toggle switch 11 is partly located inside the rear shell 13 for connecting to the central axis of the rear shell, and partly located outside the rear shell for realizing the drive control of the external force.
- the inner wall of the rotating part is sleeved on the outer edge of the runner, and the inner wall and the groove on the outer edge surround the groove body;
- the part 14 is provided with a gap with the wide-diameter part, and when the clip-connecting part 14 is located at the narrow-diameter part, the clip-connecting part 14 is clip-engaged with the narrow-diameter part.
- the wide-diameter part refers to the part where the radial distance between the inner wall and the bottom of the groove is relatively wide
- the narrow-diameter part refers to the part where the radial distance between the inner wall and the bottom of the groove is narrow
- the outer edge of the rotating wheel 10 is nested with the rotating part, the groove body of the rotating wheel 10 and the inner wall of the rotating part form a structure with variable width along the circumferential direction, and the clamping member 14 is disposed therein.
- the clamping piece 14 moves to the wide-diameter portion, the clamping piece 14 is provided with a gap between the bottom of the tank body and the inner wall of the rotating part, and the clamping piece 14 has no frictional resistance to the bottom of the tank body and the inner wall of the rotating part.
- the runner 10 can be rotated relative to the rotating part; when the clamping part 14 moves to the narrow diameter part, the clamping part 14 is clamped with the bottom of the tank body and the inner wall of the rotating part, and the clamping part 14 moves toward the bottom of the tank body and the inner wall of the rotating part.
- the inner wall provides frictional resistance so that the rotating wheel 10 cannot rotate relative to the rotating part.
- the above-mentioned groove body is a wedge-shaped groove.
- One end of the wedge-shaped groove is a wide-diameter portion, and the other end is a narrow-diameter portion.
- the groove body can also be an arc-shaped groove, and the two ends of the arc-shaped groove have different widths.
- the above-mentioned clamping member 14 is a ball.
- the balls can be slid or rolled in the tank.
- the runner 10 can rotate relative to the rotating part; when the balls move to the narrow In the case of the diameter portion, it is engaged with the bottom of the tank body and the inner wall of the rotating portion to form a block, resulting in inability to rotate, so that the runner 10 cannot rotate relative to the rotating portion.
- the toggle switch 11 has an axial protrusion, which is used to axially insert into the groove body to form a circumferential engagement with the groove body, and the toggle switch 11 The rotation drives the tank body to rotate, that is, drives the runner 10 to rotate.
- the axial protrusion can be arranged in the groove body and located in the narrow diameter part, which can realize the pushing effect on the ball.
- the toggle switch 11 when the toggle switch 11 is rotated clockwise, the ball will slide to the wide diameter portion, and when the toggle switch 11 is rotated counterclockwise, the ball will be pushed to the wide diameter portion, therefore, any active rotation operation of the toggle switch 11, Both can drive the ball into the wide-diameter part so as to realize synchronous adjustment.
- the runner 10 has at least two grooves, which are evenly arranged along the circumferential direction;
- the toggle switch 11 includes at least two support arms, the support arms are provided with axial protrusions, and each groove is used for engaging with the corresponding axial protrusions.
- the position of the axial protrusion of the toggle switch 11 corresponds to the setting position of the groove on the runner, the toggle switch 11 can also have other arms without axial protrusions, all arms Both protrude from the rotating part to facilitate adjustment.
- the number of tanks is two, the number of arms is four, the two tanks are arranged symmetrically about the central axis, and the four supporting arms are arranged symmetrically about the central axis.
- Two or more tanks are evenly arranged on the runner 10, and are adjusted by a toggle switch 11 with multiple arms, so that the rotation process can be kept stable and easy to operate.
- the lens barrel provided by this application is set on the bracket 6, and the bracket 6 is provided with a parallel lens barrel upper guide shaft 1 and a lens barrel lower guide shaft 4, and the lens barrel can move along the lens barrel upper guide shaft 1 and the lens barrel lower guide shaft 4 .
- the upper guide shaft 1 of the lens barrel and the lower guide shaft 4 of the lens barrel can move back and forth along the bracket 6, please refer to Figure 1, wherein the upper guide shaft 1 of the lens barrel and the lower guide shaft 4 of the lens barrel are slidably arranged on the bracket 6 , the lens barrel is movably arranged on the upper guide shaft 1 of the lens barrel and the lower guide shaft 4 of the lens barrel.
- the upper end and the lower end of the gear 9 are respectively provided with two racks, the gear 9 meshes with the two racks, the two racks are parallel and opposite, and the two racks are respectively connected to the corresponding lens barrel.
- the rotation of the gear 9 drives the two racks to move in reverse, and the lens barrel is driven by the racks to move closer or farther away.
- the above-mentioned gear 9 and the rack and rack structure can also use other types of transmission devices in the prior art to realize that the clockwise rotation of the gear 9 drives the two lens barrels closer, and the counterclockwise rotation of the gear 9 drives the two lens barrels away from each other. , or the opposite direction of movement.
- the above-mentioned elastic member is a coil spring 12, the central end of the coil spring 12 is fixed to the gear 9, and the outer end of the coil spring 12 is fixed to the runner 10.
- the rotating wheel (10) rotates clockwise, the coil spring 12 is tightened, and the clamping member 14 moves to the wide diameter portion.
- the coil spring 12 has the function of providing circumferential elastic force, which can provide a transmission function for the rotation of the runner 10 and the rotation of the gear 9 , and make the rotation of the gear 9 lag behind the rotation of the runner 10 .
- the rear end of the rotating part is screwed to the bracket 6 .
- the rear end of the rotating part is provided with a threaded rod, and the bracket 6 is provided with a threaded hole, and the relative rotation of the two can form an axial movement.
- other forms in the prior art can also be used to achieve the above effects.
- the rotating wheel 10 in this application may be a ratchet, that is, the ratchet teeth of the ratchet are used as grooves, and a groove body is formed with the circumferential inner wall of the rotating part.
- RAM random access memory
- ROM read-only memory
- EEPROM electrically programmable ROM
- EEPROM electrically erasable programmable ROM
- registers hard disk, removable disk, CD-ROM, or any other Any other known storage medium.
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Abstract
本申请一些实施例公开了一种眼部可调节头戴设备，包括：支架，其安装有可移动的镜筒；旋转部，其旋转连接于支架，以调节其与支架的轴向距离；转轮，其可转动连接于旋转部；拨动开关，其设于旋转部以带动其旋转，并可轴向移动以连接或脱离转轮，连接状态下，拨动开关可带动转轮转动；齿轮，其与转轮在周向上通过弹性件连接，且与旋转部在轴向上卡接，镜筒与齿轮在轴向固定，且齿轮通过齿条带动两个镜筒沿径向靠近或远离。本申请提供的眼部可调节头戴设备能够通过上述过程实现IPD和Eye Relief的共同调节，或者单独调节二者之一，从而实现穿戴设备的状态调节，该结构的操作过程中只需要控制拨动开关，操作简单、性能稳定可靠。
Description
本申请要求于2021年7月29日提交中国专利局、申请号为202110866176.5、发明名称为“一种眼部可调节头戴设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
本申请涉及可穿戴设备技术领域，更具体地说，涉及一种眼部可调节头戴设备。
IPD(Interpupillary Distance，瞳孔间距)一般应用到AR/VR眼镜上，在使用时会根据个人的瞳距来调节合适的镜筒距离，由于不同年龄段和不同区域(美洲、亚洲、欧洲)的人的IPD不同，将会导致一款VR产品使用的局限性和小众化，不能够利于产品的普及和推广。Eye Relief(出瞳距离)的调节是为了让近视眼用户不戴眼镜也能看的很清晰。
因此，为了实现一款VR产品的使用广泛性，能够多元化的适用于更多的人群和提高竞争性，IPD及Eye Relief调节的设计和功能实现效果是重中之重。
综上所述，如何提供一种方便简单的调节IPD及Eye Relief的穿戴设备，是目前本领域技术人员亟待解决的问题。
发明内容
有鉴于此，本申请的目的是提供一种眼部可调节头戴设备，该机构能够实现IPD及Eye Relief的距离的共同调节和分别调节，操作简单、性能稳定可靠。
为了实现上述目的，本申请提供如下技术方案：
一种眼部可调节头戴设备，包括：
支架，其安装有可移动的镜筒；
旋转部，其旋转连接于所述支架，以调节其与所述支架的轴向距离；
转轮，其可转动连接于所述旋转部；
拨动开关，其设于所述旋转部以带动其旋转，并可轴向移动以连接或脱离所述转轮，连接状态下，所述拨动开关可带动所述转轮转动；
齿轮，其与所述转轮在周向上通过弹性件连接，且与所述旋转部在轴向上卡接，所述镜筒与所述齿轮在轴向固定，且所述齿轮通过齿条带动两个所述镜筒沿径向靠近或远离。
优选的，所述转轮设有沿周向方向宽度变化的槽体，所述槽体内滑动设有卡接件，所述卡接件位于所述槽体的宽径部或窄径部时，对应所述转轮可相对于所述旋转部自由转动或周向固定，所述拨动开关的转动可调整所述卡接件的位置。
优选的，所述旋转部包括：
后壳，其旋转连接于所述支架，且设有中轴，所述中轴与所述齿轮轴向卡接定位；
前壳，其扣合于所述后壳，形成容纳腔，所述拨动开关、所述转轮均设于所述容纳腔内，并与所述中轴套接设置，所述拨动开关沿径向伸出于所述后壳。
优选的，所述旋转部的内壁套设于所述转轮的外缘，所述内壁与位于所述外缘的凹槽围成所述槽体；
当所述卡接件位于所述宽径部时，所述卡接件与所述宽径部间隙设置，当所述卡接件位于所述窄径部时，所述卡接件与所述窄径部卡接设置。
优选的，所述卡接件为滚珠。
优选的，所述拨动开关具有轴向凸起，所述轴向凸起用于与所述槽体卡接。
优选的，所述转轮有至少两个所述槽体，且沿周向均匀设置；
所述拨动开关包括至少两个支臂，所述支臂设有所述轴向凸起，所述每个所述槽体均用于与对应的所述轴向凸起的卡接。
优选的，所述槽体的数量为两个，所述支臂的数量为四个，两个所述槽体关于中轴对称设置，四个所述支臂关于所述中轴对称设置。
优选的，所述齿轮与两个所述齿条啮合，两个所述齿条平行且反向，两个所述齿条分别连接对应的所述镜筒；
所述支架设有平行的镜筒上导轴和镜筒下导轴，所述镜筒沿所述镜筒上导轴和所述镜筒下导轴移动。
优选的，所述弹性件为卷簧，所述卷簧的中心端与所述齿轮固定，所述卷簧的外端与所述转轮固定；
当所述转轮顺时针转动时，所述卷簧收紧，所述卡接件移动至宽径部。
本申请提供的眼部可调节头戴设备能够通过上述过程实现IPD和Eye Relief的共同调节，或者单独调节二者之一，从而实现穿戴设备的状态调节，该结构的操作过程中只需要控制拨动开关，操作简单、性能稳定可靠。
在进一步提供的方案中，该设备的转轮上设置有变径宽的槽体，槽体中设置有卡接件，拨动开关转动过程中会改变卡接件的位置。
当IPD和Eye Relief都需要进行调节时，可以轴向移动拨动开关，实现拨动开关与转轮的连接，此时拨动开关的转动能够带动旋转部、转轮实现转动。拨动开关逆时针转动带动转轮逆时针转动，使得卡接件滑入槽体的宽径部，对转轮无卡接限制，转轮可以自由转动，从而通过弹性件带动齿轮转动，从而带动镜筒的远离，实现IPD尺寸的增大；同时，拨动开关逆时针转动还带动旋转部逆时针转动，对应使得旋转部靠近支架，由于旋转部与齿轮在轴向上卡接，因此齿轮靠近支架，带动镜筒靠近支架，实现Eye Relief距离的增大。相类似地，可以通过顺时针转动实现IPD尺寸和Eye Relief的减小。
当需要单独调节IPD时，可以直接手动调节两个镜筒距离的大小，因为镜筒距离的改变带动齿轮转动，齿轮通过弹性件连接转轮，带动转轮转动，此时可以控制拨动开关脱离转轮，以便断开周向的传动，实现单独调节IPD距离，而不改变Eye Relief距离。
当需要单独调节Eye Relief时，可以轴向移动拨动开关，实现拨动开关与转轮的脱离，此时拨动开关的转动只能够带动旋转部转动，而不会影响转轮，由于旋转部的正向或逆向的转动可以实现相对靠近或远离支架，且旋转部与齿轮轴向卡接，齿轮与镜筒轴向固定，因此拨动开关的转动可以直接调整镜筒与支架的距离，从而实现Eye Relief距离的增大或减小。
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实 施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一部分附图，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本申请所提供的眼部可调节头戴设备的示意图；
图2为本申请所提供的眼部可调节头戴设备的正视图；
图3为图1中A区域的局部剖视图；
图4为图3所提供的调节机构的正视图；
图5为本申请所提供的眼部可调节头戴设备的剖视图。
图1-图5中，附图标记包括：
镜筒上导轴1、调节机构2、左镜筒3、镜筒下导轴4、右镜筒5、支架6、导向结构7；
前壳8、齿轮9、转轮10、拨动开关11、卷簧12、后壳13、卡接件14。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的核心是提供一种眼部可调节头戴设备，该机构能够实现IPD及Eye Relief的距离的同时调节和分别调节，操作简单、性能稳定可靠。
请参考图1至图5，本申请提供了一种眼部可调节头戴设备，主要用于佩戴于头部或者适配于使用者的眼部进行使用。在结构上，上述穿戴设备包括支架6、调节机构2、左镜筒3和右镜筒5。
需要说明的是，支架6为支撑结构，用于安装镜筒和镜筒的调节机构2，其中镜筒包括左镜筒3和右镜筒5。左镜筒3和右镜筒5通过调节机构2安装在支架6上，并通过调节机构2调节两个镜筒与支架6的距离，以及两个镜筒之间的间距。
上述调节机构2包括：
旋转部，其旋转连接于支架6，以调节与支架6的轴向距离；
转轮10，其可转动连接于所述旋转部；
拨动开关11，其设于旋转部以带动其旋转，并可轴向移动以连接或脱离 转轮10，连接状态下，拨动开关11可带动转轮10转动；
齿轮9，其与转轮10在周向上通过弹性件连接，且与旋转部在轴向上卡接，镜筒与齿轮9在轴向固定，且齿轮9通过齿条带动两个镜筒3沿径向靠近或远离。
需要说明的是，旋转部用于安装齿轮9、转轮10和拨动开关11，其可以为框架结构或盒体结构，安装齿轮9、转轮10和拨动开关11可以安装于旋转部的内部。
旋转部与支架6可以为螺纹连接，以便二者相对转动形成轴向的移动。齿轮9、转轮10、拨动开关11均与旋转部同轴线可转动的设置，即旋转部相对于支架10的转动轴线，与齿轮9、转轮10、拨动开关11相对于旋转部的转动轴线共线。
使用时，当需要对IPD和Eye Relief都需要进行调节时，可以轴向移动拨动开关11，实现拨动开关11与转轮10的连接，此时拨动开关11的转动能够带动旋转部、转轮10实现转动。
当需要单独调节IPD时，可以直接手动调节两个镜筒距离的大小，因为镜筒距离的改变带动齿轮9转动，齿轮9通过弹性件连接转轮，带动转轮10转动，可以通过设置弹性件的伸缩量，使得单独调节齿轮9不会影响弹性件另一端，也就无法影响转轮，或者此时可以控制拨动开关脱离转轮10，以便断开周向的传动，实现单独调节IPD距离，而不改变Eye Relief距离。
当需要单独调节Eye Relief时，可以轴向移动拨动开关11，实现拨动开关11与转轮10的脱离，此时拨动开关11的转动只能够带动旋转部转动，而不会影响转轮10。
本申请提供的眼部可调节头戴设备能够通过上述过程实现IPD和Eye Relief的共同调节，或者单独调节二者之一，从而实现穿戴设备的状态调节，该结构的操作过程中只需要控制拨动开关，操作简单、性能稳定可靠。
考虑到弹性件的伸缩量会在外力撤销后带动转轮10向复位方向转动，为了避免这种转动导致调节的不准确，在上述实施例的基础之上，转轮10设有沿周向方向宽度变化的槽体，槽体内滑动设有卡接件14，卡接件14位于槽体的宽径部或窄径部时，对应转轮10可相对于旋转部自由转动或周向固定，拨动开关11的转动可调整卡接件14的位置。
其中，转轮10设置有变径的槽体，卡接件14在其中滑动时，仅有在窄径部会形成卡接，从而阻止转轮的转动。
拨动开关11可带动旋转部转动，拨动开关11的部分结构可以伸入于槽体中，以便在转动时推动卡接件14移动，或者带动转轮转动以使卡接件14被动进入槽体的对应位置中。
例如，请参考图3和图4，拨动开关11部分位于槽体的窄径部，卡接件14位于宽径部。若拨动开关11顺时针转动，即远离卡接件14，卡接件14被动移动至宽径部，此时不会对转轮10的转动产生限制；若拨动开关11逆时针转动，即靠近并挤压卡接件14，卡接件14被推动至宽径部，此时也不会对转轮10的转动产生限制。也就是说，拨动开关11朝向任意方向转动均能够使卡接件14位于不使转轮10转动的位置。
需要说明的是，由于通过弹性件连接转轮10和齿轮，因此拨动开关11带动转轮10转动一定角度后，齿轮9才会开始转动。
当需要对IPD和Eye Relief都需要进行调节时，例如，拨动开关11逆时针转动带动转轮10逆时针转动，使得卡接件14滑入槽体的宽径部，对转轮无卡接限制，转轮10可以自由转动，从而通过弹性件带动齿轮9转动，从而带动两个镜筒的远离，实现IPD尺寸的增大；同时，拨动开关11逆时针转动还带动旋转部逆时针转动，对应使得旋转部靠近支架6，由于旋转部与齿轮9在轴向上卡接，因此齿轮9靠近支架，带动镜筒靠近支架6，实现Eye Relief距离的增大。
上述过程中，若停止拨动开关11的转动，弹性件的弹性回复力作用于转轮10，将会使转轮10发生逆时针转动，导致卡接件14进入窄径部，从而限制转轮10的逆时针转动，因此，即使撤销对拨动开关11的外力作用，转轮10也不会被弹性件带动进行发生复位转动。
可选的，为了针对拨动开关11撤消后，弹性回复力作用于转轮10、使转轮10发生顺时针转动的情况，在一个具体的实施例中，旋转部与支架6之间具有预设摩擦阻力，且齿轮9通过弹性件作用于转轮10的转动力小于无外力操作下的拨动开关11对转轮10的阻滞力。由于拨动开关11连接旋转部，旋转部与支架6之间具有转动摩擦的阻力，使得齿轮9通过弹性件作用于转轮10的转动力，小于无外力操作下的、静止的拨动开关11对转轮10的阻滞 力，也就是说，若拨动开关11保持连接转轮10，那么转轮10对拨动开关11的作用力无法使拨动开关11转动。
相类似地，可以通过顺时针转动实现IPD尺寸和Eye Relief的减小。
需要说明的是，上述过程是一种共同调节，但不限定同时增大、同时减小，该结构也可以在IPD距离减小的时候实现Eye Relief距离的增大，或者在IPD距离增大的时候实现Eye Relief距离的减小，通过将宽径部、窄径部的周向位置互换，或者改变旋转部与支架6的转动关系即可以实现。
当需要单独调节IPD时，可以直接手动调节两个镜筒距离的大小，因为镜筒距离的改变带动齿轮9转动，齿轮9通过弹性件连接转轮，带动转轮10转动，此时可以控制拨动开关脱离转轮10，以便断开周向的传动，实现单独调节IPD距离，而不改变Eye Relief距离。或者，无需移动拨动开关11，无论转轮10顺时针转动或逆时针转动，只要拨动开关11没有转动，都会将卡接件限制在窄径部中，形成自锁状态，进而阻止旋转部的转动。
当需要单独调节Eye Relief时，可以轴向移动拨动开关11，实现拨动开关11与转轮10的脱离，此时拨动开关11的转动只能够带动旋转部转动，而不会影响转轮10，由于旋转部的正向或逆向的转动可以实现相对靠近或远离支架，且旋转部与齿轮9轴向卡接，齿轮9与镜筒轴向固定，因此拨动开关11的转动可以直接调整镜筒与支架6的距离，从而实现Eye Relief距离的增大或减小。
在上述实施例的基础之上，旋转部包括后壳13和前壳8。
后壳13旋转连接于支架6，前壳8扣合于后壳13，形成容纳腔，后壳13设有中轴，中轴与齿轮9轴向卡接定位，从而当中轴沿轴向移动时，能够带动齿轮9在轴向上移动。
拨动开关11、转轮10均设于容纳腔内，容纳腔能够实现保护上述结构的目的，且拨动开关11、转轮10均与中轴套接设置，拨动开关11沿径向伸出于后壳13。
请参考图3至图5，后壳13的转动轴与拨动开关11、转轮10均同轴设置，前壳8形成对拨动开关11、转轮10的封闭，便于拨动开关11转动带动后壳13转动。
需要说明的是，拨动开关11部分位于后壳13内部，用于连接后壳的中 轴，部分位于后壳外部，用于实现外力的驱动控制。
在上述实施例的基础之上，旋转部的内壁套设于转轮的外缘，内壁与位于外缘的凹槽围成所述槽体；当卡接件14位于宽径部时，卡接件14与宽径部间隙设置，当卡接件14位于窄径部时，卡接件14与窄径部卡接设置。
需要说明的是，宽径部指的是内壁与凹槽底部形成的径向距离较宽的部位，窄径部指的是内壁与凹槽底部形成的径向距离较窄的部位。
具体地，转轮10外缘与旋转部套接设置，转轮10的槽体与旋转部的内壁形成沿周向具有宽度变化的结构，卡接件14设置于其中。当卡接件14移动至宽径部时，卡接件14与槽体底部、旋转部内壁均为间隙设置，卡接件14对槽体底部、旋转部内壁均无摩擦阻力，因此，转轮10可以相对与旋转部进行转动；当卡接件14移动至窄径部时，卡接件14与槽体底部、旋转部内壁均为卡接设置，卡接件14向槽体底部、旋转部内壁提供摩擦阻力，使得转轮10无法相对与旋转部进行转动。
上述槽体为楔形槽。楔形槽的一端为宽径部，另一端为窄径部，可选的，槽体还可以为弧形槽，且弧形槽的两端的宽度不同。
可选的，上述卡接件14为滚珠。滚珠在槽体中可滑动或可滚动设置，当滚珠位于宽径部时，滚珠与槽体底部、旋转部内壁均无挤压，转轮10可以相对与旋转部进行转动；当滚珠移动至窄径部时，其与槽体底部、旋转部内壁均为卡接以形成阻滞，导致无法转动，使得转轮10无法相对与旋转部进行转动。
在上述任意一个实施例的基础之上，拨动开关11具有轴向凸起，轴向凸起用于轴向插入于槽体，以形成与槽体的周向的卡接，拨动开关11的转动带动槽体转动，即带动转轮10转动。
轴向凸起可以设置在槽体中，并位于窄径部中，能够实现对滚珠的推动作用。请参考图3，拨动开关11顺时针转动，滚珠会滑动至宽径部，拨动开关11逆时针转动，滚珠会被推动至宽径部，因此，拨动开关11的任何主动转动操作，均能够带动滚珠进入宽径部，以便实现同步调节。
在上述实施例中，转轮10有至少两个槽体，且沿周向均匀设置；
拨动开关11包括至少两个支臂，支臂设有轴向凸起，每个槽体均用于与对应的轴向凸起的卡接。
请参考图3和图4，拨动开关11轴向凸起的位置与转轮上凹槽的设置位置对应，拨动开关11还可以具有其他不具备轴向凸起的支臂，所有支臂均伸出于旋转部，以方便调节。
在一个具体的实施例中，槽体的数量为两个，支臂的数量为四个，两个槽体关于中轴对称设置，四个支臂关于中轴对称设置。
两个或以上的槽体均匀设置于转轮10，并通过具有多个支臂的拨动开关11进行调节，转动过程能够保持稳定，方便操作。
本申请提供的镜筒设置在支架6上，支架6设有平行的镜筒上导轴1和镜筒下导轴4，镜筒可以沿镜筒上导轴1和镜筒下导轴4移动。同时，镜筒上导轴1和镜筒下导轴4可以沿支架6前后移动，请参考图1，其中，镜筒上导轴1和镜筒下导轴4可滑动的设置在支架6上，镜筒可移动的设置于镜筒上导轴1和镜筒下导轴4。
齿轮9的上端和下端分别设置有两个齿条，齿轮9与两个齿条啮合，两个齿条平行且反向，两个齿条分别连接对应的镜筒。齿轮9转动带动两个齿条逆向移动，镜筒在齿条的带动下，实现相对靠近或远离。
可选的，上述齿轮9、齿条结构还可以选用现有技术中其他类型的传动装置，实现齿轮9的顺时针转动带动两个镜筒靠近，齿轮9的逆时针转动带动两个镜筒远离，或者相反的移动方向。
在上述任意一个实施例的基础之上，上述弹性件选用卷簧12，卷簧12的中心端与齿轮9固定，卷簧12的外端与转轮10固定。当转轮(10)顺时针转动时，卷簧12收紧，卡接件14移动至宽径部。
需要说明的是，卷簧12具有提供周向弹性力的作用，能够为转轮10的转动和齿轮9的转动提供传递作用，并使得齿轮9的转动延后于转轮10的转动。
上述任意实施例中，旋转部的后端与支架6螺纹连接。可选的，旋转部的后端设有螺纹杆，支架6设有螺纹孔，二者的相对转动能够形成轴向的移动。当然，还可以利用现有技术中的其他形式实现上述效果。
本申请中以图3所示的槽体和弹性件的设置方式举例，若槽体或弹性件的设置方向、延伸方向调整，其原理和作用效果不会改变，本领域技术人员可以根据提供的实施例得到相应的操作效果。
本申请中的转轮10可以为棘轮，即利用棘轮的棘齿作为凹槽，并与旋转部的周向内壁形成槽体。
除了上述各个实施例中所提供的眼部可调节头戴设备的主要结构和连接关系，该穿戴设备的其他各部分的结构请参考现有技术，本文不再赘述。
本说明书中各个实施例采用并列或者递进的方式描述，每个实施例重点说明的都是与其它实施例的不同之处，各个实施例之间相同或相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处可参见方法部分说明。
本领域普通技术人员还可以理解，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬件、处理器执行的软件模块，或者二者的结合来实施。软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。
还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
Claims (10)
- 一种眼部可调节头戴设备，其特征在于，包括：支架(6)，其安装有可移动的镜筒；旋转部，其旋转连接于所述支架(6)，以调节其与所述支架(6)的轴向距离；转轮(10)，其可转动连接于所述旋转部；拨动开关(11)，其设于所述旋转部以带动其旋转，并可轴向移动以连接或脱离所述转轮(10)，连接状态下，所述拨动开关(11)可带动所述转轮(10)转动；齿轮(9)，其与所述转轮(10)在周向上通过弹性件连接，且与所述旋转部在轴向上卡接，所述镜筒与所述齿轮(9)在轴向固定，且所述齿轮(9)通过齿条带动两个所述镜筒(3)沿径向靠近或远离。
- 根据权利要求1所述的眼部可调节头戴设备，其特征在于，所述转轮(10)设有沿周向方向宽度变化的槽体，所述槽体内滑动设有卡接件(14)，所述卡接件(14)位于所述槽体的宽径部或窄径部时，对应所述转轮(10)可相对于所述旋转部自由转动或周向固定，所述拨动开关(11)的转动可调整所述卡接件(14)的位置。
- 根据权利要求2所述的眼部可调节头戴设备，其特征在于，所述旋转部包括：后壳(13)，其旋转连接于所述支架(6)，且设有中轴，所述中轴与所述齿轮(9)轴向卡接定位；前壳(8)，其扣合于所述后壳(13)，形成容纳腔，所述拨动开关(11)、所述转轮(10)均设于所述容纳腔内，并与所述中轴套接设置，所述拨动开关(11)沿径向伸出于所述后壳(13)。
- 根据权利要求2所述的眼部可调节头戴设备，其特征在于，所述旋转部的内壁套设于所述转轮的外缘，所述内壁与位于所述外缘的凹槽围成所述槽体；当所述卡接件(14)位于所述宽径部时，所述卡接件(14)与所述宽径部间隙设置，当所述卡接件(14)位于所述窄径部时，所述卡接件(14)与所述窄径部卡接设置。
- 根据权利要求4所述的眼部可调节头戴设备，其特征在于，所述卡接件(14)为滚珠。
- 根据权利要求4所述的眼部可调节头戴设备，其特征在于，所述拨动开关(11)具有轴向凸起，所述轴向凸起用于与所述槽体卡接。
- 根据权利要求6所述的眼部可调节头戴设备，其特征在于，所述转轮(10)有至少两个所述槽体，且沿周向均匀设置；所述拨动开关(11)包括至少两个支臂，所述支臂设有所述轴向凸起，所述每个所述槽体均用于与对应的所述轴向凸起的卡接。
- 根据权利要求7所述的眼部可调节头戴设备，其特征在于，所述槽体的数量为两个，所述支臂的数量为四个，两个所述槽体关于中轴对称设置，四个所述支臂关于所述中轴对称设置。
- 根据权利要求1至8任一项所述的眼部可调节头戴设备，其特征在于，所述齿轮(9)与两个所述齿条啮合，两个所述齿条平行且反向，两个所述齿条分别连接对应的所述镜筒；所述支架(6)设有平行的镜筒上导轴(1)和镜筒下导轴(4)，所述镜筒沿所述镜筒上导轴(1)和所述镜筒下导轴(4)移动。
- 根据权利要求2至8任一项所述的眼部可调节头戴设备，其特征在于，所述弹性件为卷簧(12)，所述卷簧(12)的中心端与所述齿轮(9)固定，所述卷簧(12)的外端与所述转轮(10)固定；当所述转轮(10)顺时针转动时，所述卷簧(12)收紧，所述卡接件(14)移动至宽径部。
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| CN112230428B (zh) * | 2019-07-15 | 2022-08-02 | Oppo广东移动通信有限公司 | 头戴式设备支架及头戴式设备 |
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| CN206741089U (zh) * | 2016-10-13 | 2017-12-12 | 成都虚拟世界科技有限公司 | 一种瞳距调节装置、屈光度调节装置及头戴显示设备 |
| CN107807447A (zh) * | 2017-11-24 | 2018-03-16 | 歌尔科技有限公司 | 一种调节装置及头显设备 |
| CN109725422A (zh) * | 2018-12-20 | 2019-05-07 | 歌尔科技有限公司 | 旋钮调节机构、焦距调节装置及头戴设备 |
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