CN210038333U - Interpupillary distance adjustment mechanism and head-mounted device - Google Patents
Interpupillary distance adjustment mechanism and head-mounted device Download PDFInfo
- Publication number
- CN210038333U CN210038333U CN201920757242.3U CN201920757242U CN210038333U CN 210038333 U CN210038333 U CN 210038333U CN 201920757242 U CN201920757242 U CN 201920757242U CN 210038333 U CN210038333 U CN 210038333U
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- transmission rod
- adjusting mechanism
- distance adjusting
- interpupillary distance
- lens barrel
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 64
- 230000000712 assembly Effects 0.000 claims abstract description 34
- 238000000429 assembly Methods 0.000 claims abstract description 34
- 210000001747 pupil Anatomy 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
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Abstract
The utility model belongs to the technical field of head-mounted equipment, in particular to a pupil distance adjusting mechanism and head-mounted equipment; the pupil distance adjusting mechanism comprises two lens cone assemblies arranged side by side, an elastic telescopic part is connected between the two lens cone assemblies, an adjusting structure is arranged, the adjusting structure comprises a push block for pushing the two lens cone assemblies to slide outwards simultaneously, a transmission rod in screw transmission connection with the push block, the lead angle of the transmission rod is smaller than or equal to the equivalent friction angle, and the pupil distance adjusting mechanism also comprises a knob fixedly connected to the transmission rod; the head-mounted device comprises a shell, a pupil distance adjusting mechanism and an integrated display screen, wherein the pupil distance adjusting mechanism is arranged in a cavity defined by the shell, the integrated display screen is fixedly arranged on a support, the support is fixedly connected with the shell, a knob is arranged on the outer side of the shell, and a through hole for a transmission rod to pass through is formed in the shell. The structure of the interpupillary distance adjusting mechanism is simpler and is arranged along the same direction, and the problems that the adjustment is inconvenient and the production cost is higher due to the complex structure of the existing interpupillary distance adjusting mechanism are solved.
Description
Technical Field
The utility model belongs to the technical field of the head-mounted apparatus, especially, relate to a interpupillary distance adjustment mechanism and head-mounted apparatus.
Background
Along with the rapid development of science and technology, more and more appearance of head-mounted device is in daily life, and in order to make the head-mounted device can be applicable to different users to the demand of interpupillary distance, the interpupillary distance between two lens cone assemblies of head-mounted device can be adjusted.
At present, the head-mounted device adopts two display screens and two lenses, one display screen and the corresponding lens are arranged on one lens cone to form a dust-free chamber structure (usually, a closed space formed between one display screen and the corresponding lens is called as a dust-free chamber), the two lens cone components of the head-mounted device are mostly driven through a regulating wheel, a driving wheel, a rack connected to the lens cone and a guide rail, the main defect of the pupil distance regulating mechanism is that the structure is complex, the regulation is not convenient, and the production cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a interpupillary distance adjustment mechanism and head-mounted device aims at solving the complicated problem that leads to adjusting inconveniently and manufacturing cost is higher of current interpupillary distance adjustment mechanism's structure.
The utility model is realized in such a way, the pupil distance adjusting mechanism comprises two lens cone assemblies which are arranged side by side, an elastic expansion piece is connected between the two lens cone assemblies, and an adjusting structure is arranged between the two lens cone assemblies; the adjustment structure includes:
the pushing block is arranged between the two lens cone assemblies and used for pushing the two lens cone assemblies to slide outwards simultaneously;
the transmission rod is in spiral transmission connection with the push block, the spiral angle of the transmission rod is smaller than or equal to the equivalent friction angle of the transmission rod, the transmission rod can drive the push block to slide along the axial direction of the transmission rod, and the transmission rod cannot slide along the axial direction of the transmission rod;
the push block is fixedly connected with the transmission rod.
As an improvement, the two lens cone assemblies are respectively provided with a slideway on one side close to the push block.
As an improvement, the two sides of the push block are respectively provided with a convex edge clamped into the corresponding side of the slide way.
As an improvement, the transmission rod is a threaded rod, and the push block is provided with an internal thread barrel sleeved on the threaded rod.
As an improvement, the transmission rod is a worm, a boss located at the side part of the worm is arranged on the pushing block, one side of the boss close to the worm is arc-shaped, and a plurality of worm gear teeth which are arranged at intervals along the circumferential direction and are meshed with the worm are arranged on the arc-shaped surface.
As an improvement, the push block is in an isosceles triangle shape, the bottom side of the push block is arranged on one side close to the knob, and the arrangement direction of the transmission rod is parallel to the middle line direction of the push block.
As an improvement, the elastic telescopic parts are respectively arranged between the same sides of the two lens cone assemblies close to the adjusting structure and between the same sides far away from the adjusting structure.
As an improvement, the interpupillary distance adjusting mechanism further comprises a support, the two lens cone assemblies are respectively connected with the support in a sliding manner, and an elastic sealing ring is respectively fixedly connected between each lens cone assembly and the support.
As an improvement, a mounting block is arranged on the bracket, and the transmission rod penetrates through the mounting block and is in rotary connection with the mounting block.
The utility model discloses a realize like this, a head-mounted apparatus, head-mounted apparatus includes the shell, sets up in the shell encloses into the cavity pupil distance adjustment mechanism and fixed mounting be in integral type display screen on the support, the support with shell fixed connection, the knob sets up the outside of shell be equipped with the confession on the shell the through-hole that the transfer line passed.
Due to the adoption of the technical scheme, the pupil distance adjusting mechanism of the utility model comprises two lens cone assemblies arranged side by side, an elastic expansion part is connected between the two lens cone assemblies, an adjusting structure is arranged between the two lens cone assemblies, the adjusting structure comprises a push block which is arranged between the two lens cone assemblies and used for pushing the two lens cone assemblies to slide outwards simultaneously, and a transmission rod which is in screw transmission connection with the push block, the helix angle of the transmission rod is less than or equal to the equivalent friction angle of the transmission rod, the transmission rod can drive the push block to slide along the axial direction of the transmission rod, and the transmission rod can not slide along the axial direction of the transmission rod, and the pupil distance adjusting mechanism also comprises a knob which is fixedly connected with one end of the transmission rod away from; the head-mounted device comprises a shell, a pupil distance adjusting mechanism and an integrated display screen, wherein the pupil distance adjusting mechanism is arranged in a cavity defined by the shell, the integrated display screen is fixedly arranged on a support, the support is fixedly connected with the shell, a knob is arranged on the outer side of the shell, and a through hole for a transmission rod to pass through is formed in the shell.
The interpupillary distance between the two lens barrel assemblies can be increased by rotating a knob of the adjusting structure and is kept at the adjusted position by the combined action of the elastic telescopic part and the adjusting structure; when the knob is rotated reversely, the extrusion force of the push block on the two lens barrel assemblies is reduced, and the two lens barrel assemblies slide oppositely under the action of the pulling force of the elastic telescopic component to realize interpupillary distance adjustment; the structure of the interpupillary distance adjusting mechanism is simpler and is arranged along the same direction, and the problems that the adjustment is inconvenient and the production cost is higher due to the complex structure of the existing interpupillary distance adjusting mechanism are solved.
Drawings
Fig. 1 is a schematic perspective view of a pupil distance adjusting mechanism according to the present invention;
fig. 2 is a schematic view of the pupil distance adjusting mechanism of the present invention;
fig. 3 is an exploded schematic view of the interpupillary distance adjusting mechanism of the present invention;
fig. 4 is a schematic perspective view of an adjusting structure of the interpupillary distance adjusting mechanism of the present invention;
fig. 5 is a schematic structural diagram of the tensile state of the elastic sealing ring of the interpupillary distance adjusting mechanism of the present invention;
the lens barrel comprises a support 11, a support 12, a display screen 13, a mounting block 20a, a lens barrel assembly 20b, a lens barrel assembly 21, a barrel body 22, a slide way 23, a lens 30, an adjusting structure 31, a push block 311, an internal thread barrel 312, a convex edge 32, a knob 33, a transmission rod 331, a thread part 332, a polished rod part 40, a tension spring 50 and an elastic sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 the structural schematic diagram of the interpupillary distance adjusting mechanism of the utility model, wherein, fig. 1 shows the utility model discloses a three-dimensional structure schematic diagram of interpupillary distance adjusting mechanism, fig. 2 shows the utility model discloses a main structure schematic diagram of looking at of interpupillary distance adjusting mechanism, fig. 3 shows the utility model discloses a decomposition structure schematic diagram of interpupillary distance adjusting mechanism, fig. 4 shows the utility model discloses a three-dimensional structure schematic diagram of interpupillary distance adjusting mechanism's regulation structure, fig. 5 shows the utility model discloses a tensile state structure schematic diagram of interpupillary distance adjusting mechanism's elastic sealing ring. 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 adjusting mechanism includes a lens barrel assembly 20a and a lens barrel assembly 20b which are arranged side by side, an elastic telescopic member is connected between the lens barrel assembly 20a and the lens barrel assembly 20b, and an adjusting structure 30 is provided between the lens barrel assembly 20a and the lens barrel assembly 20 b; the adjusting structure 30 includes a pushing block 31 disposed between the lens barrel assembly 20a and the lens barrel assembly 20b for pushing the lens barrel assembly 20a and the lens barrel assembly 20b to slide outward at the same time, a transmission rod 33 in screw-driving connection with the pushing block 31, a lead angle of the transmission rod 33 being smaller than or equal to an equivalent friction angle of the transmission rod 33, the transmission rod 33 being capable of driving the pushing block 31 to slide along an axial direction of the transmission rod 33, and the transmission rod 33 itself being incapable of sliding along the axial direction of the transmission rod 33, and a knob 32 fixedly connected to an end of the transmission rod 33 away from the pushing block 31.
When the pupil distance between the lens barrel assembly 20a and the lens barrel assembly 20b needs to be adjusted, the knob 32 is rotated and the transmission rod 33 is driven to rotate by the knob 32, the transmission rod 33 drives the push block 31 to slide along the axial direction of the transmission rod 33, the push block 31 extrudes the lens barrel assembly 20a and the lens barrel assembly 20b on two sides, so that the lens barrel assembly 20a and the lens barrel assembly 20b simultaneously slide towards two sides, and the pupil distance between the lens barrel assembly 20a and the lens barrel assembly 20b is adjusted. An elastic telescopic part is connected between the lens cone assembly 20a and the lens cone assembly 20b, when the lens cone assembly 20a and the lens cone assembly 20b slide towards two sides, the elastic telescopic part is stretched, so that the elastic telescopic part generates tensile force, and the lens cone assembly 20a and the lens cone assembly 20b can be kept at the adjusted positions through the combined action of the elastic telescopic part and the adjusting structure 30; when the pupil distance between the lens barrel assembly 20a and the lens barrel assembly 20b needs to be reduced, the knob 32 is rotated in a reverse direction, the push block 31 is driven by the transmission rod 33 to slide in a reverse direction along the axial direction of the transmission rod 33, the extrusion force of the push block 31 on the lens barrel assembly 20a and the lens barrel assembly 20b is reduced, and the lens barrel assembly 20a and the lens barrel assembly 20b slide in a mutually opposite direction under the action of the tension force of the elastic telescopic members due to the fact that the elastic telescopic members can generate tension force after being stretched; the utility model discloses a pupil distance adjustment mechanism's structure is simpler and along the same direction setting between lens cone subassembly 20a and the lens cone subassembly 20b, and the structure complicacy of having solved current pupil distance adjustment mechanism leads to adjusting inconvenient and manufacturing cost higher problem.
In this embodiment, the transmission rod 33 is a threaded rod, and the push block 31 is provided with an internal threaded barrel 311 sleeved on the threaded rod, and the threaded rod is generally rectangular in shape, so that the transmission rod 33 and the push block 31 can be conveniently transmitted.
Of course, the transmission rod 33 may also be a worm, and the pushing block 31 is provided with a boss located at a side portion of the worm, the boss is arc-shaped at a side portion close to the worm, and a plurality of worm gear teeth meshed with the worm are arranged on the arc-shaped surface at intervals along the circumferential direction, so that transmission of the transmission rod 33 and the pushing block 31 can also be realized.
In the present embodiment, in order to facilitate the pushing block 31 to push the lens barrel assemblies 20a and 20b to slide, the side of the lens barrel assemblies 20a and 20b adjacent to the pushing block 31 is respectively provided with a slide 22; furthermore, in order to facilitate the pushing block 31 to be respectively matched with the lens barrel assemblies 20a and 20b on the two sides, the two sides of the pushing block 31 are respectively provided with a protruding rib 312 which is clamped into the corresponding side slide way 22, and the lens barrel assemblies 20a and 20b are pushed to slide outwards by the matching of the protruding rib 312 and the slide way 22.
Specifically, the pushing block 31 is in the shape of an isosceles triangle, the bottom side of the pushing block 31 is disposed at a side close to the knob 32, and the driving rod 33 is disposed in a direction parallel to the center line direction of the pushing block 31, so as to push the lens barrel assemblies 20a and 20b to slide at the same rate.
In this embodiment, the interpupillary distance adjusting mechanism further includes a frame 11, the lens barrel assembly 20a and the lens barrel assembly 20b are respectively slidably connected to the frame 11, and elastic sealing rings 50 are respectively fixedly connected between the lens barrel assembly 20a and the frame 11, and between the lens barrel assembly 20b and the frame 11. Thus, the sealing performance between the lens barrel assembly 20a and the frame 11 and between the lens barrel assembly 20b and the frame 11 can be ensured, and dust can be prevented from entering, and when the lens barrel assembly 20a and the lens barrel assembly 20b slide relative to the frame 11, the elastic sealing ring 50 between the lens barrel assembly 20a and the frame 11 and the elastic sealing ring 50 between the lens barrel assembly 20b and the frame 11 can be stretched, respectively, as shown in fig. 5.
Typically, the elastomeric seal ring 50 is formed of silicone, although other elastomeric materials may be used.
In order to facilitate the rotation and mounting of the transmission rod 33, a mounting block 13 is provided on the bracket 11, and the transmission rod 33 passes through the mounting block 13 and is rotatably connected thereto, usually by a bearing, but the rotatable connection between the transmission rod 33 and the mounting block 13 can also be realized by the size fit between the transmission rod 33 and the mounting hole on the mounting block 13.
Specifically, the transmission rod 33 includes a polished rod portion 332 fixedly connected to the knob 32, and a threaded portion 331 coaxially disposed therewith, the polished rod portion 332 being rotatably connected to the mounting block 13.
In this embodiment, the elastic telescopic elements are respectively disposed between the same sides of the lens barrel assembly 20a and the lens barrel assembly 20b close to the adjusting structure 30 and between the same sides of the lens barrel assembly 20a and the lens barrel assembly 20b far from the adjusting structure 30, so that the stresses of the lens barrel assembly 20a and the lens barrel assembly 20b are more balanced, and the sliding of the lens barrel assembly 20a and the lens barrel assembly 20b is prevented from being affected, and generally, the elastic telescopic elements are the tension springs 40.
Specifically, the lens barrel assembly 20a and the lens barrel assembly 20b respectively include a barrel 21 and a lens 23 mounted on one end of the barrel 21 away from the bracket 11, and the elastic telescopic member is connected between the two barrels 21; the side of the lens cone assembly 20a and the side of the lens cone assembly 20b close to the adjusting structure 30 are respectively provided with an upper hook, the side of the lens cone assembly 20a and the side of the lens cone assembly 20b far away from the adjusting structure 30 are respectively provided with a lower hook, one tensioning spring 40 is connected between the two upper hooks, and the other tensioning spring 40 is connected between the two lower hooks.
The utility model discloses in still relate to a head-mounted apparatus, this head-mounted apparatus include the shell and set up at the shell in the enclosed cavity above-mentioned interpupillary distance adjustment mechanism and fixed mounting display screen 12 on support 11, support 11 and shell fixed connection, knob 32 sets up in the outside of shell, is equipped with the through-hole that supplies transfer line 33 to pass on the shell.
The interpupillary distance between the lens cone assembly 20a and the lens cone assembly 20b of the head-mounted device can be adjusted by rotating the knob 32 of the adjusting structure 30, and is kept at the adjusted position by the combined action of the elastic telescopic piece and the adjusting structure 30; when the knob 32 is rotated reversely, the extrusion force of the push block 31 on the lens barrel assembly 20a and the lens barrel assembly 20b is reduced, and under the action of the pulling force of the elastic telescopic member, the lens barrel assembly 20a and the lens barrel assembly 20b slide oppositely to realize the pupil distance adjustment; the utility model discloses wear equipment's interpupillary distance adjustment mechanism's structure is simpler and along the same direction setting between lens cone subassembly 20a and the lens cone subassembly 20b, and the structure complicacy of having solved current interpupillary distance adjustment mechanism leads to adjusting inconvenient and manufacturing cost higher problem.
Specifically speaking, display screen 12 is the integral type structure, just so no longer need set up the conducting structure (when being provided with two display screens, need set up the conducting structure between two display screens), can not only improve the reliability but also can effectively reduce manufacturing cost.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pupil distance adjusting mechanism comprises two lens cone assemblies which are arranged side by side, and is characterized in that an elastic telescopic piece is connected between the two lens cone assemblies, and an adjusting structure is arranged between the two lens cone assemblies; the adjustment structure includes:
the pushing block is arranged between the two lens cone assemblies and used for pushing the two lens cone assemblies to slide outwards simultaneously;
the transmission rod is in spiral transmission connection with the push block, the spiral angle of the transmission rod is smaller than or equal to the equivalent friction angle of the transmission rod, the transmission rod can drive the push block to slide along the axial direction of the transmission rod, and the transmission rod does not slide along the axial direction of the transmission rod;
the push block is fixedly connected with the transmission rod.
2. The interpupillary distance adjusting mechanism of claim 1, wherein a slide is provided on each side of the two lens barrel assemblies adjacent to the push block.
3. The interpupillary distance adjusting mechanism of claim 2, wherein two sides of the pushing block are respectively provided with a rib which is clamped into the slide way on the corresponding side.
4. The interpupillary distance adjusting mechanism of claim 1, wherein the transmission rod is a threaded rod, and the push block is provided with an internally threaded barrel sleeved on the threaded rod.
5. The interpupillary distance adjusting mechanism of claim 1, wherein the transmission rod is a worm, the pushing block is provided with a boss located at the side of the worm, one side of the boss close to the worm is arc-shaped, and the arc-shaped face is provided with a plurality of worm gear teeth which are arranged at intervals along the circumferential direction and are meshed with the worm.
6. The pupil distance adjusting mechanism according to claim 1, wherein the pushing block has an isosceles triangle shape, the bottom side of the pushing block is disposed on a side close to the knob, and the driving rod is disposed in a direction parallel to the central line of the pushing block.
7. The interpupillary distance adjusting mechanism of claim 1, wherein said elastic expansion members are respectively disposed between the same sides of said two lens barrel assemblies near the end of said adjusting structure and between the same sides of said two lens barrel assemblies far from the end of said adjusting structure.
8. The interpupillary distance adjusting mechanism of any one of claims 1 to 7, further comprising a support, wherein the two lens barrel assemblies are slidably connected with the support, and an elastic sealing ring is fixedly connected between each lens barrel assembly and the support.
9. The interpupillary distance adjustment mechanism of claim 8, wherein a mounting block is provided on said holder, said drive rod passing through said mounting block and being rotatably connected thereto.
10. A head-mounted device, comprising a housing, characterized by further comprising the interpupillary distance adjusting mechanism of any one of claims 8 or 9 disposed in a cavity enclosed by the housing, and an integrated display screen fixedly mounted on the bracket, wherein the bracket is fixedly connected with the housing, the knob is disposed at the outer side of the housing, and a through hole for the transmission rod to pass through is disposed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757242.3U CN210038333U (en) | 2019-05-23 | 2019-05-23 | Interpupillary distance adjustment mechanism and head-mounted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757242.3U CN210038333U (en) | 2019-05-23 | 2019-05-23 | Interpupillary distance adjustment mechanism and head-mounted device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210038333U true CN210038333U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920757242.3U Expired - Fee Related CN210038333U (en) | 2019-05-23 | 2019-05-23 | Interpupillary distance adjustment mechanism and head-mounted device |
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| Country | Link |
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| CN (1) | CN210038333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929903A (en) * | 2020-09-22 | 2020-11-13 | 歌尔光学科技有限公司 | Head-mounted display equipment |
| CN114609786A (en) * | 2022-03-25 | 2022-06-10 | 歌尔科技有限公司 | Lens cone adjusting mechanism and head-mounted equipment |
| CN114924418A (en) * | 2022-05-31 | 2022-08-19 | 歌尔股份有限公司 | Sight distance adjusting mechanism and VR head-mounted device |
-
2019
- 2019-05-23 CN CN201920757242.3U patent/CN210038333U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929903A (en) * | 2020-09-22 | 2020-11-13 | 歌尔光学科技有限公司 | Head-mounted display equipment |
| CN111929903B (en) * | 2020-09-22 | 2021-01-26 | 歌尔光学科技有限公司 | Head-mounted display equipment |
| CN114609786A (en) * | 2022-03-25 | 2022-06-10 | 歌尔科技有限公司 | Lens cone adjusting mechanism and head-mounted equipment |
| CN114924418A (en) * | 2022-05-31 | 2022-08-19 | 歌尔股份有限公司 | Sight distance adjusting mechanism and VR head-mounted device |
| CN114924418B (en) * | 2022-05-31 | 2024-04-02 | 歌尔股份有限公司 | Sight distance adjusting mechanism and VR head-mounted device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201021 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 261205 Shandong province Weifang Comprehensive Bonded Zone Yuqing East Street to South High Tech two Road East Weifang Comprehensive Bonded Zone aide light industrial product processing base 1, 3, 5 workshop Patentee before: Weifang Goertek Electronics Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |