CN109975983B - Pupil distance adjustable head-mounted equipment - Google Patents
Pupil distance adjustable head-mounted equipment Download PDFInfo
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- CN109975983B CN109975983B CN201910388211.XA CN201910388211A CN109975983B CN 109975983 B CN109975983 B CN 109975983B CN 201910388211 A CN201910388211 A CN 201910388211A CN 109975983 B CN109975983 B CN 109975983B
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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 pupil distance adjustable head-mounted equipment which comprises a shell, a display assembly and two lens barrels, wherein the display assembly is arranged in a cavity defined by the shell, the two lens barrels are respectively and slidably arranged in the cavity defined by the shell, an elastic telescopic piece is connected between the two lens barrels, a cam structure used for pushing the two lens barrels to slide outwards simultaneously is arranged between the two lens barrels, a knob fixedly connected with the cam structure is rotatably arranged on the shell, and a locking structure used for preventing the cam structure from rotating is correspondingly arranged on the shell. The pupil distance adjusting mechanism of the pupil distance adjustable head-mounted device provided by the embodiment of the invention has a simple structure and is arranged at the same side of the two lens cones, so that the problems of complicated structure and large occupied space of the pupil distance adjusting mechanism of the conventional head-mounted device are solved.
Description
Technical Field
The invention belongs to the technical field of head-mounted equipment, and particularly relates to pupil distance adjustable head-mounted equipment.
Background
With the rapid development of science and technology, more and more head-mounted devices appear in daily life, for example, AR class equipment, VR class equipment, in order to make the head-mounted device can be applicable to the demand of different users to the interpupillary distance, the distance between two lens cone components of head-mounted device can be adjusted. At present, two lens barrel assemblies of head-mounted equipment are mostly driven through a regulating wheel, a driving wheel, a rack connected to a lens barrel and a guide rail, and the pupil distance regulating mechanism has the main defects of complex structure and large occupied space.
Disclosure of Invention
The invention aims to provide pupil distance adjustable head-mounted equipment, which aims to solve the problems of complex structure and large occupied space of a pupil distance adjusting mechanism of the conventional head-mounted equipment and is very convenient to adjust.
The pupil distance adjustable head-mounted equipment comprises a shell, a display assembly and two lens cones, wherein the display assembly is arranged in a cavity enclosed by the shell, the two lens cones are respectively and slidably arranged in the cavity enclosed by the shell, an elastic telescopic piece is connected between the two lens cones, a cam structure used for pushing the two lens cones to simultaneously slide outwards is arranged between the two lens cones, a knob fixedly connected with the cam structure is rotatably arranged on the shell, and a locking structure used for preventing the cam structure from rotating is correspondingly arranged on the shell.
As an improvement, the cam structure comprises a cam, and clamping grooves clamped with the cam are respectively arranged on one sides of the two lens barrels close to the cam structure.
As an improvement, the locking structure comprises a button which is slidably mounted in the axial direction of the knob, and a connecting rod which is fixedly connected with the button and penetrates through the cam structure, wherein the button and the connecting rod which are fixedly connected together cannot rotate relative to the shell; still include fixed mounting one-way bearing on the connecting rod, fixed mounting be in spacing wheel on the one-way bearing outer lane and setting are in the button with elasticity between the cam structure resets the piece, correspond be equipped with on the cam structure be used for with spacing gear meshing's spacing tooth.
As an improvement, the elastic reset piece is a reset spring sleeved on the connecting rod, the limiting wheel is a gear, the limiting teeth are clamping teeth matched with the bevel gear, and the clamping teeth are arranged in a plurality at intervals along the circumferential direction of the limiting wheel.
As an improvement, a mounting arm is fixedly connected to the display assembly, a mounting groove is formed at an end of the mounting arm, and the connecting rod penetrates through the mounting groove; the part of the connecting rod corresponding to the mounting arm is in a prism shape, and the shape of the mounting groove is matched with the prism-shaped connecting rod part.
As an improvement, the cam structure still include with the cam interval set up the collar, and connect the cam with the connecting cylinder between the collar, the collar can use the axis direction of collar is the axle relatively the shell rotates, spacing tooth sets up the connecting cylinder is close to on the inside wall of cam one end.
As an improvement, the shell is provided with a mounting hole, a mounting sleeve is arranged on the inner side wall of the shell corresponding to the mounting hole, the mounting sleeve is sleeved with the mounting sleeve, a sliding groove extending along the circumferential direction is arranged on the mounting ring, and a buckle head inserted into the sliding groove is connected to the mounting sleeve.
As an improvement, sliding grooves are respectively arranged on two opposite sides of the mounting ring, and buckling heads are respectively arranged on the mounting sleeve corresponding to the sliding grooves on each side.
As an improvement, the mounting ring comprises a ring body and a bottom plate connected to the end part of the ring body, the connecting cylinder is fixedly connected with the bottom plate, and a central hole communicated with the connecting cylinder is formed in the bottom plate.
As an improvement, the elastic telescopic pieces are respectively arranged between the same sides of the two lens cones close to the cam structures and between the same sides of the two lens cones far away from the cam structures.
By adopting the technical scheme, the pupil distance adjustable head-mounted equipment comprises a shell, a display assembly arranged in a cavity defined by the shell, and two lens cones respectively and slidably arranged in the cavity defined by the shell, wherein an elastic telescopic piece is connected between the two lens cones, a cam structure used for pushing the two lens cones to slide outwards simultaneously is arranged between the two lens cones, a knob fixedly connected with the cam structure is rotatably arranged on the shell, and a locking structure used for preventing the cam structure from rotating is correspondingly arranged on the shell.
When the distance between the two lens cones needs to be adjusted, the knob is rotated and drives the cam structure to rotate through the knob, the lens cones on the two sides are extruded through the cam structure so that the two lens cones slide towards the two sides respectively, and therefore the interpupillary distance is adjusted; the locking structure is separated from the cam structure, so that the locking force acting on the cam structure disappears, and the two lens barrels slide in opposite directions under the action of the tensile force of the elastic telescopic piece to realize resetting; the pupil distance adjusting mechanism of the pupil distance adjustable head-mounted device provided by the embodiment of the invention has a simple structure and is arranged at the same side of the two lens cones, so that the problems of complex structure and large occupied space of the pupil distance adjusting mechanism of the conventional head-mounted device are solved, and the pupil distance adjusting mechanism is very convenient to adjust.
Drawings
Fig. 1 is an exploded view of a pupil distance adjustable headset according to an embodiment of the present invention;
fig. 2 is a schematic bottom view of a pupil distance adjustable headset according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a partial schematic view of C of FIG. 4;
the display device comprises a shell 11, a shell 12, a mounting hole 13, a mounting sleeve 131, a buckle head 14, a display component 141, a mounting arm 142, a mounting groove 21a, a lens barrel 21b, a lens barrel 22a1, an upper sliding mounting part 22a2, a lower sliding mounting part 22b1, an upper sliding mounting part 22b2, a lower sliding mounting part 23a, a clamping groove 23b, a clamping groove 24a1, an upper hook 24a2, a lower hook 24b1, an upper hook 24b2, a lower hook 31, a cam structure 311, a cam 312, a mounting ring 313, a connecting cylinder 314, a limiting ring 32, a knob 33, a button 34, a connecting rod 35, a one-way bearing 36, a bevel gear 37 and a return spring.
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 5 are schematic structural diagrams of an interpupillary distance adjustable headset according to an embodiment of the present invention, where fig. 1 illustrates an exploded structural diagram of the interpupillary distance adjustable headset according to the embodiment of the present invention, fig. 2 illustrates a schematic structural diagram of the interpupillary distance adjustable headset according to the embodiment of the present invention, fig. 3 illustrates a schematic structural diagram of a cross-section along a-a line in fig. 2, fig. 4 illustrates a schematic structural diagram of a cross-section along B-B line in fig. 2, and fig. 5 illustrates a schematic structural diagram of a part of C in fig. 4. For the sake of convenience, only the parts relevant to the present invention are shown in the drawings.
As can be seen from fig. 1, 2, 3, 4 and 5, the pupil distance adjustable headset includes a housing 11, a display module 14 installed in a cavity defined by the housing 11, and a lens barrel 21a and a lens barrel 21b respectively slidably installed in the cavity defined by the housing 11, an elastic telescopic member is connected between the lens barrel 21a and the lens barrel 21b, a cam structure 31 for pushing the lens barrel 21a and the lens barrel 21b to slide outward is disposed between the lens barrel 21a and the lens barrel 21b, a knob 32 fixedly connected to the cam structure 31 is rotatably installed on the housing 11, and a locking structure for preventing the cam structure 31 from rotating is correspondingly disposed on the housing 11.
When the distance between the lens barrel 21a and the lens barrel 21b needs to be adjusted, the knob 32 is rotated and the cam structure 31 is driven to rotate by the knob 32, the lens barrel 21a and the lens barrel 21b on two sides are extruded by the cam structure 31, so that the lens barrel 21a and the lens barrel 21b slide towards two sides, and the adjustment of the interpupillary distance is realized, because the locking structure for preventing the cam structure 31 from rotating is correspondingly arranged on the shell 11, the cam structure 31 can be prevented from rotating, and when the lens barrel 21a and the lens barrel 21b slide towards two sides, the elastic telescopic part can be stretched to generate tensile force, so that the lens barrel 21a and the lens barrel 21b are kept at the adjusted positions under the limiting action of the locking structure and the tensile force of the elastic telescopic part; the locking structure is separated from the cam structure 31, so that the locking force acting on the cam structure 31 disappears, and the lens barrel 21a and the lens barrel 21b slide in opposite directions to realize resetting under the action of the pulling force of the elastic telescopic piece; the pupil distance adjusting mechanism of the pupil distance adjustable head-mounted device provided by the embodiment of the invention has a simple structure and is arranged at the same side of the lens cone 21a and the lens cone 21b, so that the problems of complex structure and large occupied space of the pupil distance adjusting mechanism of the conventional head-mounted device are solved, and the pupil distance adjusting mechanism is very convenient to adjust.
In the present embodiment, the cam structure 31 includes a cam 311, a mounting ring 312 disposed at an interval from the cam 311, and a connecting cylinder 313 connected between the cam 311 and the mounting ring 312, wherein the mounting ring 312 can rotate relative to the housing 11 with the axial direction of the mounting ring 312 as an axis; a slot 23a and a slot 23b engaged with the cam 311 are respectively disposed on one side of the lens barrels 21a and 21b adjacent to the cam structure 31, so that the cam structure 31 is respectively matched with the lens barrels 21a and 21b on two sides, thereby pushing the lens barrels 21a and 21b to slide outward at the same time.
Specifically, the locking groove 23a and the locking groove 23b respectively include a support plate fixedly connected to the lens barrel and a groove body fixedly connected to a side of the support plate away from the lens barrel, the groove body is arranged along an axis direction of the lens barrel, and two sides of the cam 311 are respectively locked in the groove bodies of the corresponding sides. In order to facilitate the simultaneous sliding of the lens barrels 21a and 21b and the same sliding rate and formation, the cams 311 are symmetrical in two perpendicular axial directions.
The locking structure comprises a button 33 which is slidably mounted in the axial direction of the knob 32, and a connecting rod 34 which is fixedly connected with the button 33 and penetrates through the cam structure 31, wherein the button 33 and the connecting rod 34 which are fixedly connected together can slide relative to the shell 11 in the axial direction and cannot rotate relative to the shell 11; the mechanism further comprises a one-way bearing 35 fixedly mounted on the connecting rod 34, a limiting wheel fixedly mounted on the outer ring of the one-way bearing 35, and an elastic resetting piece arranged between the button 33 and the cam structure 31, wherein limiting teeth used for being meshed with the limiting wheel are correspondingly arranged on the cam structure 31. Specifically, the limit teeth are disposed on an inner side wall of the connecting cylinder 313 near one end of the cam 311, the elastic return element is a return spring 37 sleeved on the connecting rod 34, the limit wheel is a gear, the limit teeth are latch teeth matched with the gear, and the latch teeth are disposed at intervals along a circumferential direction of the limit wheel. When the limiting wheel is a bevel gear 36, the corresponding latch is in a helical tooth shape, and the connecting cylinder 313 is in a conical shape for convenience of processing; when the limiting gear is a straight gear, the corresponding latch is in a straight-tooth shape
Because the connecting rod 34 can slide relative to the shell 11 along the axial direction of the connecting rod 34 and can not rotate relative to the shell 11, the limiting wheel is arranged on the connecting rod 34 through the one-way bearing 35 and can only rotate in one direction, and the cam structure 31 can be prevented from rotating after being adjusted; after the button 33 is pressed down, the button 33 pushes the connecting rod 34 to slide along the axial direction of the connecting rod 34, and simultaneously drives the limiting wheel to slide, so that the limiting wheel is separated from the limiting teeth on the cam structure 31, the limiting effect disappears, the rotation of the cam structure 31 cannot be influenced, under the action of the pulling force of the elastic telescopic piece, the lens barrel 21a and the lens barrel 21b slide oppositely and drive the cam structure 31 to rotate reversely, and the lens barrel 21a and the lens barrel 21b reset.
In order to facilitate the installation of the cam structure 31 and realize the rotation relative to the housing 11, the housing 11 is provided with a mounting hole 12, a mounting sleeve 13 is arranged on the inner side wall of the housing 11 corresponding to the mounting hole 12, the mounting ring 312 is sleeved on the mounting sleeve 13, the mounting ring 312 is provided with a sliding groove extending along the circumferential direction, the mounting sleeve 13 is connected with a buckle head 131 inserted into the sliding groove, the connection between the cam structure 31 and the housing 11 can be realized, and the circumferential rotation angle can be limited. Generally, the sliding grooves are respectively formed on two opposite sides of the mounting ring 312, and the snap heads 131 are respectively formed on the mounting sleeve 13 corresponding to the sliding grooves on each side, so that the rotation is more stable and the connection is more reliable.
Specifically, the mounting ring 312 includes a ring body and a bottom plate connected to an end of the ring body, the connecting cylinder 313 is fixedly connected to the bottom plate, a central hole communicated with the connecting cylinder 313 is formed in the bottom plate, a limiting ring 314 coaxially disposed with the central hole is disposed on the bottom plate corresponding to the elastic reset member, the elastic reset member is sleeved on the connecting rod 34, and an end of the elastic reset member is inserted into the limiting ring 314.
In this embodiment, elastic telescopic elements are respectively disposed between the same sides of lens barrel 21a and lens barrel 21b close to cam structure 31 and between the same sides of lens barrel 21a and lens barrel 21b far from cam structure 31, so that the stresses on lens barrel 21a and lens barrel 21b are more balanced, and the sliding of lens barrel 21a and lens barrel 21b is prevented from being influenced.
Specifically, the elastic telescopic member is a tension spring, an upper hook 24a1 and an upper hook 24b1 are respectively arranged on the sides of the lens barrel 21a and the lens barrel 21b close to the cam structure 31, a lower hook 24a2 and a lower hook 24b2 are respectively arranged on the sides of the lens barrel 21a and the lens barrel 21b far away from the cam structure 31, one tension spring is connected between the upper hook 24a1 and the upper hook 24b1, and the other tension spring is connected between the lower hook 24a2 and the lower hook 24b 2.
In the present embodiment, an upper guide shaft and a lower guide shaft are provided in parallel in a cavity surrounded by the housing 11 corresponding to the lens barrel 21a and the lens barrel 21b, an upper slide-mounting portion 22a1 slidably mounted on the upper guide shaft and a lower slide-mounting portion 22a2 slidably mounted on the lower guide shaft are provided in the lens barrel 21a corresponding to the upper guide shaft and the lower guide shaft, and an upper slide-mounting portion 22b1 slidably mounted on the upper guide shaft and a lower slide-mounting portion 22b2 slidably mounted on the lower guide shaft are provided in the lens barrel 21b corresponding to the upper guide shaft and the lower guide shaft, respectively.
Of course, the upper guide shaft and the lower guide shaft may be of a split structure, the upper guide shaft includes upper guide shaft segments respectively corresponding to the lens barrels 21a and 21b, and the two upper guide shaft segments are coaxially arranged; the lower guide shaft comprises lower guide shaft sections which are respectively arranged at the positions corresponding to the lens barrels 21a and 21b, and the two lower guide shaft sections are coaxially arranged.
In the present embodiment, a mounting arm 141 is fixedly connected to the display module 14, a mounting groove 142 is formed at an end of the mounting arm 141, and the connecting rod 34 passes through the mounting groove 142, specifically, a portion of the connecting rod 34 corresponding to the mounting arm 141 is prism-shaped, and the shape of the mounting groove 142 is matched with that of the prism-shaped connecting rod 34, so that the connecting rod 34 can slide in the mounting groove 142, and the connecting rod 34 can be prevented from rotating in the mounting groove 142.
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 (9)
1. A head-mounted device with adjustable pupil distance comprises a shell, a display assembly and two lens cones, wherein the display assembly is installed in a cavity enclosed by the shell, and the two lens cones are respectively installed in the cavity enclosed by the shell in a sliding manner;
the locking structure comprises a button which is slidably mounted in the axial direction of the knob, and a connecting rod which is fixedly connected with the button and penetrates through the cam structure, and the button and the connecting rod which are fixedly connected together cannot rotate relative to the shell; still include fixed mounting one-way bearing on the connecting rod, fixed mounting be in spacing wheel on the one-way bearing outer lane and setting are in the button with elasticity between the cam structure resets the piece, correspond be equipped with on the cam structure be used for with spacing gear meshing's spacing tooth.
2. The headset of claim 1, wherein the cam structure comprises a cam, and a slot engaged with the cam is disposed on each of two side of the lens barrels adjacent to the cam structure.
3. The headset of claim 1, wherein the elastic restoring member is a restoring spring sleeved on the connecting rod, the limiting wheel is a gear, the limiting teeth are latch teeth matched with the bevel gear, and a plurality of latch teeth are circumferentially spaced along the limiting wheel.
4. The interpupillary distance adjustable headset of claim 1, wherein a mounting arm is fixedly connected to the display assembly, a mounting slot is provided at an end of the mounting arm, and the link passes through the mounting slot; the part of the connecting rod corresponding to the mounting arm is in a prism shape, and the shape of the mounting groove is matched with the prism-shaped connecting rod part.
5. The interpupillary distance adjustable headset of any one of claims 2 to 4, wherein the cam structure further comprises a mounting ring spaced from the cam, and a connecting cylinder connected between the cam and the mounting ring, the mounting ring can rotate relative to the housing about an axial direction of the mounting ring, and the limiting teeth are disposed on an inner side wall of the connecting cylinder near one end of the cam.
6. The pupil distance adjustable headset of claim 5, wherein a mounting hole is formed in the housing, a mounting sleeve is disposed on the inner side wall of the housing corresponding to the mounting hole, the mounting sleeve is sleeved on the mounting sleeve, a sliding groove extending in the circumferential direction is disposed on the mounting ring, and a locking head inserted into the sliding groove is connected to the mounting sleeve.
7. The interpupillary distance adjustable headset of claim 6, wherein sliding grooves are respectively provided on opposite sides of the mounting ring, and snap heads are respectively provided on the mounting sleeve at the sliding grooves corresponding to each side.
8. The interpupillary distance adjustable headset of claim 6, wherein the mounting ring comprises a ring body and a bottom plate connected to the end of the ring body, the connecting cylinder is fixedly connected with the bottom plate, and a central hole communicated with the connecting cylinder is formed in the bottom plate.
9. The interpupillary distance adjustable headset of claim 1, wherein the elastic expansion elements are respectively disposed between the same sides of the two lens barrels close to the cam structure and between the same sides of the two lens barrels far away from the cam structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910388211.XA CN109975983B (en) | 2019-05-10 | 2019-05-10 | Pupil distance adjustable head-mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910388211.XA CN109975983B (en) | 2019-05-10 | 2019-05-10 | Pupil distance adjustable head-mounted equipment |
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| Publication Number | Publication Date |
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| CN109975983A CN109975983A (en) | 2019-07-05 |
| CN109975983B true CN109975983B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910388211.XA Active CN109975983B (en) | 2019-05-10 | 2019-05-10 | Pupil distance adjustable head-mounted equipment |
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| CN (1) | CN109975983B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929903B (en) * | 2020-09-22 | 2021-01-26 | 歌尔光学科技有限公司 | Head-mounted display equipment |
| CN114200678B (en) * | 2021-12-24 | 2024-06-14 | 深圳纳德光学有限公司 | Pupil distance diopter pressing locking rotation adjusting mechanism |
| CN115166979B (en) * | 2022-07-20 | 2024-04-05 | 歌尔光学科技有限公司 | Pupil distance adjusting mechanism and head-mounted equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089329A (en) * | 2016-11-23 | 2018-05-29 | 深圳市掌网科技股份有限公司 | A kind of virtual implementing helmet |
| CN106597666A (en) * | 2016-12-22 | 2017-04-26 | 歌尔科技有限公司 | Distance adjusting device |
| CN206990926U (en) * | 2017-03-31 | 2018-02-09 | 昆明理工大学 | A kind of VR glasses of adjustable focal length and interpupillary distance |
| CN207867136U (en) * | 2017-09-12 | 2018-09-14 | 成都虚拟世界科技有限公司 | Interpupillary adjustment mechanism and wear display equipment |
| CN208100650U (en) * | 2018-04-24 | 2018-11-16 | 陈晓玲 | A kind of novel timber grinding device |
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Effective date of registration: 20201016 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Applicant after: GoerTek Optical Technology Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Applicant before: GOERTEK TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221129 Address after: 266104 No. 500, Songling Road, Laoshan District, Qingdao, Shandong Patentee after: GOERTEK TECHNOLOGY Co.,Ltd. Address before: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronics office building) Patentee before: GoerTek Optical Technology Co.,Ltd. |
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