WO2023178871A1 - 瞳距调节机构和头戴设备 - Google Patents
瞳距调节机构和头戴设备 Download PDFInfo
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- WO2023178871A1 WO2023178871A1 PCT/CN2022/102166 CN2022102166W WO2023178871A1 WO 2023178871 A1 WO2023178871 A1 WO 2023178871A1 CN 2022102166 W CN2022102166 W CN 2022102166W WO 2023178871 A1 WO2023178871 A1 WO 2023178871A1
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- WIPO (PCT)
- Prior art keywords
- handwheel
- interpupillary distance
- adjustment mechanism
- distance adjustment
- threaded rod
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000005096 rolling process Methods 0.000 claims description 36
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000001179 pupillary effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 36
- 230000008569 process Effects 0.000 abstract description 26
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Classifications
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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
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
-
- 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
- G02B2027/0192—Supplementary details
Definitions
- the present application relates to the technical field of smart wearable devices, and in particular to a pupillary distance adjustment mechanism and a head-mounted device using the pupillary distance adjustment mechanism.
- head-mounted devices in order to adjust the interpupillary distance of head-mounted devices (such as AR devices and VR devices), head-mounted devices in related technologies will be equipped with corresponding interpupillary distance adjustment mechanisms to adjust the distance between the left and right lens barrels.
- the interpupillary distance adjustment mechanism in this type of head-mounted device usually drives the left and right lens barrels to move corresponding distances at the same time during the interpupillary distance adjustment process. This makes the adjustment method relatively simple and limits the flexibility of interpupillary distance adjustment, which can easily lead to pupil distance adjustment. The distance adjustment process is more complicated.
- the main purpose of this application is to provide an interpupillary distance adjustment mechanism, which is intended to diversify the interpupillary distance adjustment methods and enhance the flexibility of the interpupillary distance adjustment, so as to improve the convenience of the interpupillary distance adjustment process.
- the interpupillary distance adjustment mechanism proposed in this application includes:
- Lens barrels two of the lens barrels are arranged side by side on the mounting frame, and can slide relative to the mounting frame in the side-by-side direction of the two lens barrels;
- Adjustment structure two of the adjustment structures are respectively arranged corresponding to one of the lens barrels, the adjustment structure includes a threaded rod and a handwheel, one end of the threaded rod in the adjustment structure and the corresponding thread of the lens barrel Connect, the other end is connected to the handwheel;
- the handwheel in the adjustment structure can drive the threaded rod to rotate when driven to rotate by an external force, so as to drive the corresponding lens barrel to slide in the side-by-side direction of the two lens barrels.
- the adjustment structure further includes a transmission assembly, and one end of the threaded rod away from the lens barrel is connected to the handwheel through the transmission assembly;
- the handwheel in the adjustment structure can drive the threaded rod to rotate through the transmission assembly, and the transmission ratio of the transmission assembly is less than 1.
- the transmission assembly includes a driving gear and a driven gear
- the driving gear is connected to the handwheel
- the driven gear is connected to the threaded rod and meshes with the driving gear
- the The diameter of the driven gear is smaller than the diameter of the driving gear, so that the transmission ratio of the transmission assembly is less than 1.
- the handwheel is arranged in a ring shape, and the driving gear is located inside the handwheel.
- the driving gear is arranged in a ring shape, and the driven gear is located inside the driving gear.
- the adjustment structure further includes a fixed bracket, the fixed bracket is installed on the mounting bracket, and one end of the threaded rod away from the lens barrel is rotatably installed on the fixed bracket;
- the handwheel is rotatably mounted on the fixed frame.
- the fixed frame is recessed to form a ring-shaped escape groove at a position corresponding to the handwheel. Both the driving gear and the driven gear are accommodated therein. in the escape groove, and the driven gear is also sleeved on the threaded rod that passes through the escape groove.
- the fixed frame includes a first frame body and a second frame body, the first frame body is provided on the mounting frame, the second frame body is connected to the first frame body, and is connected to the first frame body.
- the first frame body is enclosed to form the avoidance groove;
- the fixed frame is connected to the mounting frame through a first screw
- one end of the threaded rod away from the lens barrel is connected to the fixing frame through the second screw;
- the driving gear and the handwheel are arranged in an integral structure.
- the adjustment mechanism further includes a support assembly, the support assembly includes a support seat and a bearing, the support seat is provided on the mounting frame, and the bearing is embedded in the support seat;
- An insertion post is protruding from one end of the handwheel away from the threaded rod, and the insertion post is inserted into the bearing at one end away from the handwheel, so that the handwheel can face each other through the bearing. Rotate on the support base.
- one end of the threaded rod away from the lens barrel is plugged and fixed with the handwheel.
- connecting posts are protruding from the sides of the two lens barrels facing away from each other, and threaded holes are formed in the connecting posts, and the threaded holes penetrate the surface of the connecting posts facing away from the lens barrel, so One end of the threaded column away from the handwheel is inserted into the threaded hole.
- the interpupillary distance adjustment mechanism further includes a guide structure that can guide the sliding movement of the two lens barrels.
- the guide structure includes a guide rod, the guide rod is provided on the mounting bracket, the guide rod extends along the sliding direction of the two lens barrels and passes through the two lens barrels;
- the guide structure includes at least two rolling elements, two of which are rotatably provided on the two lens barrels respectively, and the mounting bracket is at a position corresponding to the two rolling elements.
- a guide groove is provided, the guide groove extends along the sliding direction of the two lens barrels, and at least two of the rolling elements are accommodated in the guide groove.
- the sliding directions of the two lens barrels are defined as left and right directions, and the interpupillary distance adjustment mechanism also has a direction perpendicular to the left and right directions. up and down direction;
- the guide rod is located at the upper end of the lens barrel, and at least two of the rolling members are located at the lower end of the lens barrel.
- the interpupillary distance adjustment mechanism includes:
- Lens barrels two of the lens barrels are arranged side by side on the mounting frame, and can slide relative to the mounting frame in the side-by-side direction of the two lens barrels;
- Adjustment structure the two adjustment structures are respectively provided corresponding to the two lens barrels, the adjustment structure includes a threaded rod and a handwheel, one end of the threaded rod in the adjustment structure and the corresponding thread of the lens barrel Connect, the other end is connected to the handwheel;
- the handwheel in the adjustment structure can drive the threaded rod to rotate when driven to rotate by an external force, so as to drive the corresponding lens barrel to slide in the side-by-side direction of the two lens barrels.
- the handwheel of the adjustment structure is driven to rotate, so that the handwheel can drive the threaded rod to rotate.
- the end of the threaded rod away from the handwheel is threadedly connected to a lens barrel, so that the rotating threaded rod can drive the lens barrel threadedly connected to it to slide relative to the mounting bracket, thereby achieving the distance between the lens barrels.
- Adjustment in other words, adjustment of interpupillary distance.
- each lens barrel can be adjusted independently, so that during the interpupillary distance adjustment process, the corresponding selection can be made according to the actual use situation.
- the lens barrels are driven to move simultaneously through the adjusting structures, or one lens barrel is driven to move through only one of the adjusting structures. This makes the interpupillary distance adjustment methods more diverse and enhances the flexibility of interpupillary distance adjustment, thereby improving the convenience of the interpupillary distance adjustment process.
- the adjustment structure of the interpupillary distance adjustment mechanism in this solution is driven by a threaded rod and the lens barrel, and the threaded transmission has the advantage of being stable and reliable, which is beneficial to improving the performance of the lens barrel.
- the threaded transmission also has the advantage of self-locking, which can cause the lens barrel to automatically lock after the threaded rod drives the lens barrel to be adjusted in place. In this way, there is no need to provide an additional structure for locking the lens barrel after it is adjusted in place, which is conducive to simplifying the overall structure of the interpupillary distance adjustment mechanism, improving manufacturing convenience and reducing manufacturing costs.
- the threaded rod is driven to rotate by the handwheel, and the handwheel is driven to rotate by the user's manual external force. This allows the user to control the interpupillary distance adjustment process more conveniently, that is, the human controllability in the interpupillary distance adjustment process is improved.
- Figure 1 is a schematic structural diagram of an embodiment of the interpupillary distance adjustment mechanism of the present application
- Figure 2 is a partial structural diagram of the interpupillary distance adjustment mechanism in Figure 1;
- Figure 3 is a partial exploded structural diagram of the interpupillary distance adjustment mechanism in Figure 1;
- Figure 4 is a perspective view of an exploded structure of the adjustment structure of the interpupillary distance adjustment mechanism in Figure 1;
- Figure 5 is a schematic view of another exploded structure of the adjustment structure of the interpupillary distance adjustment mechanism in Figure 1;
- Figure 6 is another exploded structural schematic diagram of the adjustment structure of the interpupillary distance adjustment mechanism in Figure 1;
- Figure 7 is a schematic structural diagram of another embodiment of the interpupillary distance adjustment mechanism of the present application.
- FIG. 8 is a partial structural diagram of the interpupillary distance adjustment mechanism in FIG. 7 .
- connection can be a fixed connection, a detachable connection, or an integral body; it can It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise clearly limited.
- fixing can be a fixed connection, a detachable connection, or an integral body; it can It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise clearly limited.
- This application proposes a pupillary distance adjustment mechanism.
- the interpupillary distance adjustment mechanism includes a mounting bracket 10 , a lens barrel 30 and an adjustment structure 50 .
- the two lens barrels 30 are arranged side by side on the mounting bracket 10 and can slide relative to the mounting bracket 10 in the side-by-side direction of the two lens barrels 30;
- the two adjustment structures 50 are respectively provided corresponding to one of the lens barrels 30, and
- the adjustment structure 50 includes Threaded rod 51 and handwheel 52.
- One end of the threaded rod 51 in the adjustment structure 50 is threadedly connected to the corresponding lens barrel 30, and the other end is connected to the handwheel 52; wherein, the handwheel 52 in the adjustment structure 50 is driven by an external force.
- the rotation can drive the driving threaded rod 51 to rotate, so as to drive the corresponding lens barrel 30 to slide in the side-by-side direction of the lens barrel 30 .
- the mounting bracket 10 can be used to install the lens barrel 30 and the adjustment structure 50 , etc., so that the various components of the interpupillary distance adjustment mechanism can be assembled in a relatively centralized manner to form a whole.
- the mounting bracket 10 can be a plate structure, of course, it can also be a combined structure of multiple plates, or a combined structure of multiple columns. This application does not limit the specific structure and shape of the mounting bracket 10. It is used to install and carry the lens barrel 30 and the adjustment structure 50 .
- the lens barrels 30 are arranged side by side on the mounting bracket 10.
- the specific form is that the axes of the lens barrels 30 are parallel, and the distance between the axes of the lens barrels 30 can be defined as the interpupillary distance, and then the distance between the lens barrels 30 can be adjusted. Realize the adjustment of interpupillary distance.
- the adjustment structure 50 can be used to drive the lens barrel 30 respectively to adjust the interpupillary distance.
- the handwheel 52 in the adjustment structure 50 can be used to provide an operating position so that the user can apply force to drive rotation.
- the handwheel 52 that is then rotated can drive the threaded rod 51 connected thereto to rotate, and the threaded cooperation between the threaded rod 51 and the lens barrel 30 can cause the lens barrel 30 to slide along the axial direction of the threaded rod 51 .
- At least one of the threaded rod 51 and the handwheel 52 in the adjustment structure 50 can be connected to the mounting bracket 10 to support the overall structure of the adjustment structure 50 .
- the handwheel 52 of the adjustment structure 50 is driven to rotate, so that the handwheel 52 can drive the threaded rod 51 to rotate.
- the end of the threaded rod 51 away from the hand wheel 52 is threadedly connected to a lens barrel 30, so that the rotating threaded rod 51 can drive the lens barrel 30 threadedly connected with it to slide relative to the mounting bracket 10, thereby achieving alignment.
- the distance between the lens barrels 30 is adjusted, in other words, the interpupillary distance is adjusted.
- the interpupillary distance adjustment mechanism in this solution drives the lens barrel 30 respectively through the adjustment structure 50
- the adjustment structure 50 can be used to drive the lens barrel 30 at the same time according to the actual use conditions.
- the way of movement, or the way of driving one lens barrel 30 to move only through one of the adjustment structures 50 is also selected. This makes the interpupillary distance adjustment methods more diverse and enhances the flexibility of interpupillary distance adjustment, thereby improving the convenience of the interpupillary distance adjustment process.
- the adjustment structure 50 in the interpupillary distance adjustment mechanism in this solution is driven by the threaded rod 51 and the lens barrel 30 through a threaded connection, and the threaded transmission has the advantage of being stable and reliable, which is beneficial to Improve the sliding stability of the lens barrel 30 during the interpupillary distance adjustment process.
- the threaded transmission also has the advantage of self-locking, and can cause the lens barrel 30 to automatically lock after the threaded rod 51 drives the lens barrel 30 to be adjusted in place. In this way, there is no need to provide an additional structure for locking the lens barrel 30 after it is adjusted to the position, which is conducive to simplifying the overall structure of the interpupillary distance adjustment mechanism, improving manufacturing convenience and reducing manufacturing costs.
- the threaded rod 51 is driven to rotate by the handwheel 52, and the handwheel 52 is driven to rotate by the user's manual application of external force. This allows the user to more conveniently control the interpupillary distance adjustment process, which improves human controllability in the interpupillary distance adjustment process.
- the adjustment structure 50 also includes a transmission assembly 53.
- the end of the threaded rod 51 away from the lens barrel 30 is connected to the handwheel 52 through the transmission assembly 53; in the adjustment structure 50
- the handwheel 52 can drive the threaded rod 51 to rotate through the transmission assembly 53, and the transmission ratio of the transmission assembly 53 is less than 1.
- the transmission ratio of the transmission assembly 53 can be expressed as the ratio of the rotation speed of the handwheel 52 to the rotation speed of the threaded rod 51 . Therefore, the transmission ratio is less than 1, which means that the rotation speed of the handwheel 52 is smaller than the rotation speed of the threaded rod 51, and thus plays an acceleration role in the process of driving the threaded rod 51 by the handwheel 52 and can quickly drive the lens barrel 30 to move. to the corresponding position to complete the interpupillary distance adjustment process. That is to say, the operation time required for the interpupillary distance adjustment process is greatly shortened, making it more labor-saving, thereby further improving the convenience of the interpupillary distance adjustment process.
- the transmission assembly 53 includes a driving gear 531 and a driven gear 533.
- the driving gear 531 is connected to the handwheel 52, and the driven gear 533 is connected to the threaded rod 51. And meshes with the driving gear 531, and the diameter of the driven gear 533 is smaller than the diameter of the driving gear 531, so that the transmission ratio of the transmission assembly 53 is less than 1.
- the transmission process is: when the handwheel 52 rotates, the driving gear 531 is driven to rotate.
- the driving gear 531 can drive the driven gear 533 meshed with it to rotate, and the rotating driven gear 533 can drive the connected gear 533 .
- the threaded rod 51 rotates.
- the transmission assembly 53 is composed of a driving gear 531 and a driven gear 533, so that the parts of the transmission assembly 53 are relatively small, which is conducive to simplifying the structure of the transmission assembly 53 and improving assembly convenience.
- the gear transmission also has the advantages of stable transmission and compact structure, which is beneficial to improving the stability of the hand wheel 52 driving the threaded rod 51 to rotate and reducing the space occupied by the transmission assembly 53.
- the application is not limited thereto.
- the transmission component 53 may also include a driving pulley, a driven pulley and a belt.
- the driving pulley is connected to the handwheel 52
- the driven pulley is connected to the threaded rod 51
- the diameter of the driven pulley is smaller than the diameter of the driving pulley
- the belt is sleeved between the driving pulley and the driven pulley. outside.
- the driving gear 531 is arranged in a ring shape, and the driven gear 533 is located inside the driving gear 531 .
- the driven gear 533 is arranged inside the driving gear 531 so that the two can be distributed more compactly, which is conducive to further reducing the impact of the transmission assembly 53 on the space and improving its installation on the mounting bracket 10 convenience.
- the application is not limited thereto.
- the driven gear 533 may also be located outside the driving gear 531 , that is, the outer peripheral surface of the driven gear 533 meshes with the outer peripheral surface of the driving gear 531 .
- the handwheel 52 is arranged in a ring shape, and the driving gear 531 is located inside the handwheel 52 .
- arranging the driving gear 531 inside the handwheel 52 can make the two more compact, which is also beneficial to reducing the space occupied.
- the handwheel 52 can also protect the driving gear 531, thereby reducing the possibility of damage to the driving gear 531 and ensuring the service life.
- the driving gear 531 and the handwheel 52 may be arranged in an integrated structure.
- the driving gear 531 may be located at one end of the handwheel 52 in the axial direction.
- the adjustment structure 50 also includes a fixing bracket 55 .
- the fixing bracket 55 is provided on the mounting bracket 10 .
- the end of the threaded rod 51 away from the lens barrel 30 is rotatably provided on the mounting bracket 10 .
- Fixed frame 55; the handwheel 52 is rotatably set on the fixed frame 55.
- the fixed frame 55 is recessed to form a ring-shaped escape groove 551 at a position corresponding to the handwheel 52.
- the driving gear 531 and the driven gear 533 are both accommodated in the fixed frame 55. in the escape groove 551 , and the driven gear 533 is also sleeved on the threaded rod 51 that penetrates in the escape groove 551 .
- both the threaded rod 51 and the handwheel 52 are installed on the fixed frame 55, so that the same support structure can realize the installation of both the threaded rod 51 and the handwheel 52, which is conducive to simplifying the interpupillary distance adjustment mechanism. Structure.
- the present application is not limited to this. In other embodiments, different support structures may be provided on the mounting bracket 10 to separately install the threaded rod 51 and the handwheel 52 .
- the fixed frame 55 includes a first frame body 553 and a second frame body 555.
- the first frame body 553 is provided on the mounting frame 10, and the second frame body 555 It is connected to the first frame body 553 and is enclosed with the first frame body 553 to form an escape groove 551 .
- the fixing frame 55 is composed of a first frame body 553 and a second frame body 555, so that they can be manufactured separately and then assembled together to form the escape groove 551.
- the structures of the first frame body 553 and the second frame body 555 formed separately are relatively simple, it is beneficial to improve the convenience of processing and forming the relief groove 551 .
- the handwheel 52 can be set on the first frame body 553 and the second frame body 555 at the same time.
- the fixing bracket 55 is connected to the mounting bracket 10 through a first screw 57 .
- the fixing bracket 55 is connected through the first screw 57 , and the screw connection has the advantages of simplicity and reliability, so that while ensuring the stability of the connection of the fixing bracket 55 , it can simplify the installation of the fixing bracket 55 on the mounting bracket 10
- the installation and fixation on the fixing frame 55 is thereby beneficial to improving the convenience of installation of the fixing frame 55.
- the fixed frame 55 includes a first frame body 553 and a second frame body 555 .
- the first frame body 553 is connected to the mounting frame 10 through the first screw 57 .
- the second frame body 555 can also be connected to the first frame body 553 through threads, and the second frame body 555 can also be protruded.
- a positioning post is provided for insertion into the first frame body 553 in order to improve the accuracy of installation and further improve the stability of installation.
- the application is not limited to this.
- the first frame body 553 of the fixing frame 55 can also be fixed to the mounting frame 10 through snap connection or magnetic attraction
- the second frame body 555 may also be fixed to the first frame body 553 through buckle connection or magnetic attraction.
- an end of the threaded rod 51 away from the lens barrel 30 is connected to the fixing bracket 55 through a second screw 59 .
- the second screw 59 passes through the first frame body 553 and is inserted into the end surface of the end of the threaded rod 51 away from the lens barrel 30 , so that the threaded rod 51 can be relatively stably limited to the third position in the axial direction.
- the threaded rod 51 and the first frame 553 can also be connected through snaps, which can ensure that the threaded rod 51 is limited in the axial direction and circumferentially. It can be rotated.
- the adjustment mechanism 50 also includes a support assembly 60.
- the support assembly 60 includes a support seat 61 and a bearing 63.
- the support seat 61 is provided on the mounting frame 10, and the bearing 63 is embedded in the mounting bracket 10. It is located in the support base 61; the end of the handwheel 52 away from the threaded rod 51 is protruding with a plug-in post 521, and the end of the plug-in post 521 away from the handwheel 52 is inserted into the bearing 63, so that the handwheel 52 can pass through the bearing 63. Rotate relative to the support base 61 .
- the support seat 61 of the support assembly 60 supports the hand wheel 52 , and the end of the threaded rod 51 away from the lens barrel 30 is connected to the hand wheel 52 , so that the support seat 61 can be used to adjust the hand wheel 52 .
- the structure 50 as a whole plays a supporting role, and the required supporting structure is simplified, which is beneficial to simplifying the overall structure of the adjustment mechanism 50 .
- there is a bearing 63 embedded in the support base 61 and the handwheel 52 is inserted into the bearing 63 through the insertion column 521 . Since there is rolling friction between the inner ring and the outer ring of the bearing 63, when the user drives the handwheel 52 to rotate relative to the support base 61, there is rolling friction between the two.
- the friction coefficient at this time is relatively small and effective. It is beneficial to improve the smoothness of the hand wheel 52 during the rotation adjustment process, and at the same time, it can also achieve a labor-saving effect by reducing resistance, so as to improve the convenience during the interpupillary distance adjustment process.
- the cross section of the insertion post 521 on the handwheel 52 inserted into the bearing 63 can be arranged in a non-circular shape to reduce the possibility of relative rotation between the two.
- the adjustment mechanism 50 may only include a threaded rod 51 and a handwheel 52. In this case, at least one of the threaded rod 51 and the handwheel 52 may It can be installed on the mounting bracket 10 rotationally.
- an end of the threaded rod 51 away from the lens barrel 30 is plugged and fixed with the hand wheel 52 .
- the threaded rod 51 and the handwheel 52 are plugged and fixed, which can make the assembly process of the two simple, that is, directly insert the end of the threaded rod 51 away from the lens barrel 30 into the handwheel 52.
- the outer surface of the segment of the threaded rod 51 inserted into the handwheel 52 may not be provided with threads, and the cross section of the segment inserted into the handwheel 52 may be non-circular to reduce the friction between the handwheel 52 and the threaded rod. 51 It is possible for the two to rotate and improve the stability of their insertion.
- the threaded rod 51 and the handwheel 52 may also be magnetically fixed or snap-connected.
- connecting posts 31 are protruding from opposite sides of the lens barrel 30 .
- Threaded holes 311 are formed in the connecting posts 31 , and the threaded holes 311 penetrate the connecting posts. 31 is away from the surface of the lens barrel 30 , and one end of the threaded column away from the hand wheel 52 is inserted into the threaded hole 311 .
- the lens barrel 30 is threadedly connected to the threaded rod 51 through the connecting post 31 provided with the threaded hole 311, so that the threaded rod 51 can be connected to the lens barrel 30 while ensuring that it passes through the inside of the lens barrel 30.
- the connecting post 31 can be provided in an integral structure with the lens barrel 30 to improve the strength of the connection between the two.
- the interpupillary distance adjustment mechanism further includes a guide structure 70 , which can guide the sliding movement of the lens barrel 30 .
- the sliding movement of the lens barrel 30 can be guided by the guide structure 70 so that the lens barrel 30 can only slide in a predetermined sliding direction, thereby improving the accuracy of interpupillary distance adjustment.
- the guide structure 70 may include a guide rod 71 , which is provided on the mounting bracket 10 .
- the guide rod 71 extends along the sliding direction of the lens barrel 30 and passes through the lens barrel 30 .
- the lens barrel 30 since the guide rod 71 passes through the lens barrel 30 , the lens barrel 30 only moves along the extension direction of the guide rod 71 when driven by the respective adjustment structure 50 , thereby guiding the sliding of the lens barrel 30 .
- the application is not limited to this.
- the guide structure 70 may also include at least two rolling members 73 , where the two rolling members 73 are respectively rotatably provided on the lens barrel 30 (that is, the lens barrel 30 is It can be provided with one rolling element 73 or two or more rolling elements).
- the mounting frame 10 is provided with a guide groove 11 at a position corresponding to the two rolling elements 73 .
- the guide groove 11 is along the sliding direction of the lens barrel 30 Extended, at least two rolling elements 73 are accommodated in the guide groove 11 .
- the rolling element 73 on the lens barrel 30 is accommodated in the guide groove 11, so that the lens barrel 30 can only move along the opening direction of the guide groove 11 during the sliding process, thereby realizing the sliding of the lens barrel 30. guide.
- the rolling element 73 since the rolling element 73 is in rolling contact with the guide groove 11, a rolling friction with a relatively small friction coefficient can be formed between the two, which is beneficial to reducing the friction between the two and improving the smooth sliding of the lens barrel 30. sex. That is to say, the labor-saving effect can be further achieved and the convenience of the interpupillary distance adjustment process can be further improved.
- the rolling element 73 can be a roller, please refer to Figures 1 and 2 together; of course, it can also be a ball, please refer to Figures 7 and 8 together. Only one guide groove 11 may be provided to accommodate the two rolling elements 73 . Of course, two guide grooves 11 may also be provided to accommodate two rolling elements 73 respectively.
- the guide structure 70 of the interpupillary distance adjustment mechanism may include only the guide rod 71 , of course, may also include only the rolling member 73 , or may include both the guide rod 71 and the rolling member 73 . 73 or other structures that can play a guiding role.
- the sliding direction of the lens barrel 30 is defined as the left and right direction, and the interpupillary distance adjustment mechanism also It has an up and down direction perpendicular to the left and right directions; the guide rod 71 is located at the upper end of the lens barrel 30 , and at least two rolling members 73 are located at the lower end of the lens barrel 30 .
- the rolling member 73 is provided at the lower end of the lens barrel 30 so that the lens barrel 30 can be mainly supported by the rolling member 73 .
- the lens barrel 30 exerts the greatest pressure on the mounting bracket 10 at this location, and achieves rolling friction with the lens barrel 30 at this location, which is conducive to greatly improving the smoothness of the movement of the lens barrel 30 and reducing the cost. Wear and tear caused during movement.
- the guide rod 71 and the rolling member 73 may be interchanged at the upper and lower ends of the lens barrel 30 , that is, the rolling member 73 is disposed on the lens barrel 30
- the guide rod 71 is provided at the upper end of the lens barrel 30 .
- the guide structure 70 only includes a guide rod 71 , and the guide rod 71 may be provided at at least one of the upper and lower ends of the lens barrel 30 .
- the guide structure 70 only includes a rolling member 73 , and the rolling member 73 may be provided at at least one of the upper and lower ends of the lens barrel 30 .
- the head-mounted device includes an interpupillary distance adjustment mechanism.
- the specific structure of the inter-pupillary distance adjustment mechanism refers to the above-mentioned embodiments. Since this head-mounted device adopts all the technical solutions of all the above-mentioned embodiments, Therefore, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described again one by one here.
- the head-mounted device can be an AR device, a VR device, etc.
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- Eye Examination Apparatus (AREA)
Abstract
提供了一种瞳距调节机构和头戴设备。瞳距调节机构包括安装架（10）、镜筒（30）以及调节结构（50）。镜筒（30）呈并排设于安装架（10），并可在镜筒（30）的并排方向上相对于安装架（10）滑动；调节结构（50）分别对应镜筒（30）设置，调节结构（50）包括螺纹杆（51）和手轮（52），调节结构（50）中的螺纹杆（51）的一端和对应的镜筒（30）螺纹连接，另一端连接于手轮（52）；其中，调节结构（50）中的手轮（52）在被外力作用驱动转动时可驱使螺纹杆（51）转动，以带动对应的镜筒（30）在镜筒（30）的并排方向上滑动。这种瞳距调节机构能够使得瞳距调节方式较为多样化而增强瞳距调节的灵活性，以提高瞳距调节过程的便利性。
Description
本申请要求于2022年03月25日提交中国专利局、申请号202210301070.5、发明名称为“瞳距调节机构和头戴设备”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。
本申请涉及智能穿戴设备技术领域，特别涉及一种瞳距调节机构和应用该瞳距调节机构的头戴设备。
目前，为了使得头戴设备(例如：AR设备和VR设备)的瞳距可以进行调节，相关技术中的头戴设备会设置相应的瞳距调节机构去调节左右镜筒之间的距离。然而，该类头戴设备中的瞳距调节机构在瞳距调节过程中通常是同时驱动左右镜筒移动相应的距离，如此使得调节方式较为单一而限制了瞳距调节的灵活性，容易导致瞳距调节过程较为复杂。
发明内容
本申请的主要目的是提供一种瞳距调节机构，旨在使得瞳距调节方式较为多样化而增强瞳距调节的灵活性，以提高瞳距调节过程的便利性。
为实现上述目的，本申请提出的瞳距调节机构包括：
安装架；
镜筒，两个所述镜筒呈并排设于所述安装架，并可在两个所述镜筒的并排方向上相对于所述安装架滑动；以及
调节结构，两个所述调节结构分别对应其中一个所述镜筒设置，所述调节结构包括螺纹杆和手轮，所述调节结构中的所述螺纹杆的一端和对应的所述镜筒螺纹连接，另一端连接于所述手轮；
其中，所述调节结构中的所述手轮在被外力作用驱动转动时可驱使所述螺纹杆转动，以带动对应的所述镜筒在两个所述镜筒的并排方向上滑动。
可选地，所述调节结构还包括传动组件，所述螺纹杆远离所述镜筒的一端通过所述传动组件连接于所述手轮；
所述调节结构中的所述手轮可通过所述传动组件驱动所述螺纹杆转动，且所述传动组 件的传动比小于1。
可选地，所述传动组件包括主动齿轮和从动齿轮，所述主动齿轮连接于所述手轮，所述从动齿轮连接于所述螺纹杆，并与所述主动齿轮相啮合，且所述从动齿轮的直径小于所述主动齿轮的直径，以使所述传动组件的传动比小于1。
可选地，所述手轮呈环形状设置，所述主动齿轮位于所述手轮的内侧。所述主动主动齿轮呈环形状设置，所述从动齿轮位于所述主动齿轮的内侧。
可选地，所述调节结构还包括固定架，所述固定架设于所述安装架，所述螺纹杆远离所述镜筒的一端可转动地设于所述固定架；
所述手轮可转动地套设于所述固定架，所述固定架在对应所述手轮的位置凹陷形成有呈环形状的避让槽，所述主动齿轮和所述从动齿轮均容置于所述避让槽内，且所述从动齿轮还套设于穿设在所述避让槽内的所述螺纹杆。
可选地，所述固定架包括第一架体和第二架体，所述第一架体设于所述安装架，所述第二架体连接于所述第一架体，并和所述第一架体围合形成所述避让槽；
且/或，所述固定架通过第一螺钉连接于所述安装架；
且/或，所述螺纹杆远离所述镜筒的一端通过所述第二螺钉连接于所述固定架；
且/或，所述主动齿轮和所述手轮呈一体结构设置。
可选地，所述调节机构还包括支撑组件，所述支撑组件包括支撑座和轴承，所述支撑座设于所述安装架，所述轴承嵌设于所述支撑座内；
所述手轮远离所述螺纹杆的一端凸设有插接柱，所述插接柱远离所述手轮的一端插设于所述轴承内，以使所述手轮通过所述轴承可相对于所述支撑座转动。
可选地，所述螺纹杆远离所述镜筒的一端和所述手轮相插接固定。
可选地，两个所述镜筒相背离的一侧均凸设有连接柱，所述连接柱内形成有螺纹孔，所述螺纹孔贯穿所述连接柱背离所述镜筒的表面，所述螺纹柱远离所述手轮的一端插设于所述螺纹孔内。
可选地，所述瞳距调节机构还包括导向结构，所述导向结构可对两个所述镜筒的滑动进行导向。
可选地，所述导向结构包括导向杆，所述导向杆设于所述安装架，所述导向杆沿两个所述镜筒的滑动方向延伸设置并穿过两个所述镜筒；
且/或，所述导向结构包括至少两个滚动件，其中的两个所述滚动件分别可转动地设于两个所述镜筒，所述安装架在对应两个所述滚动件的位置设有导向槽，所述导向槽沿两个所述镜筒的滑动方向延伸开设，至少两个所述滚动件均容置于所述导向槽内。
可选地，当所述导向结构包括所述导向杆和至少两个所述滚动件时，定义两个所述镜筒的滑动方向为左右方向，所述瞳距调节机构还具有垂直于左右方向的上下方向；
所述导向杆位于所述镜筒的上端，至少两个所述滚动件位于所述镜筒的下端。
本申请还提出一种头戴设备，包括瞳距调节机构，所述瞳距调节机构包括：
安装架；
镜筒，两个所述镜筒呈并排设于所述安装架，并可在两个所述镜筒的并排方向上相对于所述安装架滑动；以及
调节结构，两个所述调节结构分别对应两个所述镜筒设置，所述调节结构包括螺纹杆和手轮，所述调节结构中的所述螺纹杆的一端和对应的所述镜筒螺纹连接，另一端连接于所述手轮；
其中，所述调节结构中的所述手轮在被外力作用驱动转动时可驱使所述螺纹杆转动，以带动对应的所述镜筒在两个所述镜筒的并排方向上滑动。
本申请的技术方案的瞳距调节机构在使用时，通过驱使调节结构的手轮转动，使得该手轮可以带动螺纹杆转动。而螺纹杆远离手轮的一端的又是和一个镜筒相螺纹连接，使得转动的螺纹杆可以带动与之螺纹连接的镜筒相对于安装架进行滑动，从而实现了对镜筒之间的距离进行调节，换句话也就是瞳距的调节。并且，由于本方案中的瞳距调节机构是通过调节结构对两个镜筒分别进行驱动的，每个镜筒都可单独调节，使得在瞳距调节过程中，可以根据实际使用情况来对应选择通过调节结构驱动镜筒同时移动的方式，或者是也选择 仅通过调节结构的其中之一驱动一个镜筒进行移动的方式。如此使得瞳距调节方式较为多样化而增强瞳距调节的灵活性，从而提高了瞳距调节过程的便利性。
进一步地，本方案中的瞳距调节机构中的调节结构是由螺纹杆和镜筒进行螺纹连接而实现对镜筒进行带动的，而螺纹传动具有稳定可靠的优点，从而有利于提高镜筒在瞳距调节过程滑动的稳定性。同时，螺纹传动也具有自锁的优点，能够在螺纹杆带动镜筒调节到位后使得镜筒进行自动锁定。如此无需额外设置对镜筒调节到位后进行锁定的结构，从而有利于简化瞳距调节机构的整体结构而提高制造的便利性和降低制造成本。另外，螺纹杆是由手轮进行驱使转动的，而手轮是通过用户手动作用外力来驱使转动的。如此使得该用户可以较为便利对瞳距调节过程进行控制，也即提高了瞳距调节过程中人为的可控性。
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些实施例，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，还可以根据这些附图示出的结构获得其他的附图。
图1为本申请瞳距调节机构一实施例的结构示意图；
图2为图1中瞳距调节机构的一局部结构示意图；
图3为图1中瞳距调节机构的一局部爆炸结构示意图；
图4为图1中瞳距调节机构的调节结构的一爆炸结构的一视角示意图；
图5为图1中瞳距调节机构的调节结构的一爆炸结构的另一视角示意图；
图6为图1中瞳距调节机构的调节结构的另一爆炸结构示意图；
图7为本申请瞳距调节机构另一实施例的结构示意图；
图8为图7中的瞳距调节机构的一局部结构示意图。
附图标号说明：
| 标号 | 名称 | 标号 | 名称 |
| 10 | 安装架 | 55 | 固定架 |
| 11 | 导向槽 | 551 | 避让槽 |
| 30 | 镜筒 | 553 | 第一架体 |
| 31 | 连接柱 | 555 | 第二架体 |
| 311 | 螺纹孔 | 57 | 第一螺钉 |
| 50 | 调节结构 | 59 | 第二螺钉 |
| 51 | 螺纹杆 | 60 | 支撑组件 |
| 52 | 手轮 | 61 | 支撑座 |
| 521 | 插接柱 | 63 | 轴承 |
| 53 | 传动组件 | 70 | 导向结构 |
| 531 | 主动齿轮 | 71 | 导向杆 |
| 533 | 从动齿轮 | 73 | 滚动轮 |
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
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清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，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作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。
需要说明，本申请实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
在本申请中，除非另有明确的规定和限定，术语“连接”、“固定”等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
另外，在本申请中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本申请要求的保护范围之内。
本申请提出一种瞳距调节机构。
请结合参考图1至图3，在本申请的一实施例中，瞳距调节机构包括安装架10、镜筒30以及调节结构50。两个镜筒30呈并排设于安装架10，并可在两个镜筒30的并排方向 上相对于安装架10滑动；两个调节结构50分别对应其中一个镜筒30设置，调节结构50包括螺纹杆51和手轮52，调节结构50中的螺纹杆51的一端和对应的镜筒30螺纹连接，另一端连接于手轮52；其中，调节结构50中的手轮52在被外力作用驱动转动可驱使驱动螺纹杆51转动，以带动对应的镜筒30在镜筒30的并排方向上滑动。
在本申请的一实施例中，安装架10可以用于安装镜筒30和调节结构50等，以便瞳距调节机构的各个零部件可以较为集中的组装形成为一个整体。其中，该安装架10可以为一板体结构，当然也可以为多个板体的组合结构，亦或者是多个柱体的组合结构，本申请对安装架10具体结构和形状不作限定，能够用于对镜筒30和调节结构50进行安装承载即可。镜筒30并排设于安装架10，具体形式为镜筒30的轴线相平行，而镜筒30的轴线之间的距离即可定义为瞳距，进而通过调节镜筒30之间的距离即可实现瞳距的调节。调节结构50可以用于分别对镜筒30进行驱动，来实现对瞳距的调节。具体而言，调节结构50中的手轮52可以用于提供操作位，以便用户施加作用力来驱使转动。之后转动的手轮52可以带动与之连接的螺纹杆51进行转动，而螺纹杆51和镜筒30的螺纹配合即可使得镜筒30沿螺纹杆51的轴向进行滑动。其中，调节结构50中的螺纹杆51和手轮52两者可以至少一者连接于安装架10，以便实现对调节结构50一整体结构的支撑。
本申请的技术方案的瞳距调节机构在使用时，通过驱使调节结构50的手轮52转动，使得该手轮52可以带动螺纹杆51转动。而螺纹杆51远离手轮52的一端的又是和一个镜筒30相螺纹连接，使得转动的螺纹杆51可以带动与之螺纹连接的镜筒30相对于安装架10进行滑动，从而实现了对镜筒30之间的距离进行调节，换句话也就是瞳距的调节。并且，由于本方案中的瞳距调节机构是通过调节结构50分别对镜筒30进行驱动的，使得在瞳距调节过程中，可以根据实际使用情况来对应选择通过调节结构50驱动镜筒30同时移动的方式，或者是也选择仅通过调节结构50的其中之一驱动一个镜筒30进行移动的方式。如此使得瞳距调节方式较为多样化而增强瞳距调节的灵活性，从而提高了瞳距调节过程的便利性。
进一步地，本方案中的瞳距调节机构中的调节结构50是由螺纹杆51和镜筒30进行螺纹连接而实现对镜筒30进行带动的，而螺纹传动具有稳定可靠的优点，从而有利于提高镜筒30在瞳距调节过程滑动的稳定性。同时，螺纹传动也具有自锁的优点，能够在螺纹杆51带动镜筒30调节到位后使得镜筒30进行自动锁定。如此无需额外设置对镜筒30调节到位后进行锁定的结构，从而有利于简化瞳距调节机构的整体结构而提高制造的便利性和降低制造成本。另外，螺纹杆51是由手轮52进行驱使转动的，而手轮52是通过用户手动作用外力来驱使转动的。如此使得该用户可以较为便利对瞳距调节过程进行控制，也即提高了瞳距调 节过程中人为的可控性。
请结合参考图2至图4，在本申请的一实施例中，调节结构50还包括传动组件53，螺纹杆51远离镜筒30的一端通过传动组件53连接于手轮52；调节结构50中的手轮52可通过传动组件53驱动螺纹杆51转动，且传动组件53的传动比小于1。
在本实施例中，传动组件53的传动比可以表示为手轮52的转动速度和螺纹杆51的转动速度的比值。因此，该传动比小于1，也就表示手轮52的转动速度小于螺纹杆51的转动速度，进而在手轮52驱动螺纹杆51的过程中起到加速作用而能够快速的带动镜筒30移动到相应的位置而完成瞳距调节过程。也即大幅度的缩短了瞳距调节过程所需的操作时间而使得可以较为省力，从而更进一步地提高了瞳距调节过程的便利性。
请结合参考图3和图4，在本申请的一实施例中，传动组件53包括主动齿轮531和从动齿轮533，主动齿轮531连接于手轮52，从动齿轮533连接于螺纹杆51，并与主动齿轮531相啮合，且从动齿轮533的直径小于主动齿轮531的直径，以使传动组件53的传动比小于1。
在本实施例中，传动过程为：手轮52的转动时带动主动齿轮531转动，主动齿轮531可以带动与之啮合的从动齿轮533转动，而转动的从动齿轮533可以带动与之连接的螺纹杆51转动。其中，传动组件53由主动齿轮531和从动齿轮533组成，使得该传动组件53的零部件相对较小，从而有利于简化该传动组件53的结构而提高组装的便利性。而且，齿轮传动也具有传动稳定和结构紧凑的优点，从而有利于提高手轮52对螺纹杆51驱动转动的稳定性和降低传动组件53对空间的占用。当然，需要说明的是，本申请不限于此，于其他实施例中，该传动组件53也可以是包括主动带轮、从动带轮以及皮带。此时，该主动带轮连接于手轮52，从动带轮连接于螺纹杆51，且从动带轮的直径小于主动带轮直径，而皮带套设于主动带轮和从动带轮的外侧。
请参考图4，在本申请的一实施例中，主动齿轮531呈环形状设置，从动齿轮533位于主动齿轮531的内侧。
在本实施例中，将从动齿轮533设置在主动齿轮531的内侧，使得两者可以分布的更加紧凑，从而有利于进一步地缩小传动组件53对空间的作用而提高其在安装架10上安装的便利性。当然，需要说明的是，本申请不限于此，于其他实施例中，从动齿轮533也可以是位于主动齿轮531的外侧，即从动齿轮533的外周面啮合于主动齿轮531的外周面。
请结合参考图3和图4，在本申请的一实施例中，手轮52呈环形状设置，主动齿轮531位于手轮52的内侧。
在本实施例中，将主动齿轮531设置在手轮52的内侧，可以使得两者分布的较为紧凑，同样有利于地缩小对空间的占用。而且，通过该手轮52也可以对主动齿轮531起到保护作用，从而有利于降低该主动齿轮531受到损坏的可能而保证使用寿命。进一步地，为了提高主动齿轮531和手轮52两者的连接强度和加工成型的便利性，主动齿轮531和手轮52可以是呈一体结构设置。当然，需要说明的是，本申请不限于此，于其他实施例中，主动齿轮531位于手轮52的轴向上的一端也是可以的。
请结合参考图4和图5，在本申请的一实施例中，调节结构50还包括固定架55，固定架55设于安装架10，螺纹杆51远离镜筒30的一端可转动地设于固定架55；手轮52可转动地套设于固定架55，固定架55在对应手轮52的位置凹陷形成有呈环形状的避让槽551，主动齿轮531和从动齿轮533均容置于避让槽551内，且从动齿轮533还套设于穿设在避让槽551内的螺纹杆51。
在本实施例中，将螺纹杆51和手轮52均安装在固定架55上，使得同一支撑结构即可实现对螺纹杆51和手轮52两者的安装，从而有利于简化瞳距调节机构的结构。当然，需要说明的是，本申请不限于此，于其他实施例中，安装架10上设置不同的支撑结构用来分别对螺纹杆51和手轮52进行安装也是可以的。
请结合参考图4和图6，在本申请的一实施例中，固定架55包括第一架体553和第二架体555，第一架体553设于安装架10，第二架体555连接于第一架体553，并和第一架体553围合形成避让槽551。
在本实施例中，固定架55由第一架体553和第二架体555组成，使得两者可以分开独立制造，之后再组装在一起即可形成避让槽551。此时，由于单独分开形成的第一架体553和第二架体555的结构均相对较为简单，从而有利于提高对避让槽551加工成型的便利性。其中，手轮52则可以同时套设在第一架体553和第二架体555上。
请结合参考图1和图4，在本申请的一实施例中，固定架55通过第一螺钉57连接于安装架10。
在本实施例中，固定架55通过第一螺钉57连接，而螺钉连接具有简单、可靠的优点，使得在保证了固定架55连接的稳定性的同时，可以简化该固定架55在安装架10上的安装固定，从而有利于提高固定架55安装的便利性。其中，在固定架55包括有第一架体553和第二架体555，第一架体553通过第一螺钉57连接于安装架10。而为了实现第一架体553和第二架体555两者之间的可拆卸连接，第二架体555也可以是通过螺纹连接于第一架体553，且第二架体555还可以凸设有用于插设于第一架体553内的定位柱，以便提高 安装的准确性和进一步地提高安装的稳定性。另外，需要说明的是，本申请不限于此，于其他实施例中，固定架55的第一架体553也可以是通过卡扣连接或者磁吸固定于安装架10上，而第二架体555也可以是通过卡扣连接或者磁吸固定于第一架体553。
请结合参考图4至图6，在本申请的一实施例中，螺纹杆51远离镜筒30的一端通过第二螺钉59连接于固定架55。
在本实施例中，通过第二螺钉59穿过第一架体553而插设螺纹杆51远离镜筒30的一端的端面内，使得该螺纹杆51可以在轴向上较为稳定的限位于第一架体553上，同时也简化了两者的连接过程。当然，需要说明的是，本申请不限于此，于其他实施例中，螺纹杆51和第一架体553也可以是通过卡扣连接，能够保证该螺纹杆51在轴向上限位而周向上可转动即可。
请结合参考图7和图8，在本申请的一实施例中，调节机构50还包括支撑组件60，支撑组件60包括支撑座61和轴承63，支撑座61设于安装架10，轴承63嵌设于支撑座61内；手轮52远离螺纹杆51的一端凸设有插接柱521，插接柱521远离手轮52的一端插设于轴承63内，以使手轮52通过轴承63可相对于支撑座61转动。
在本实施例中，通过支撑组件60的支撑座61对手轮52起到的支撑作用，而螺纹杆51远离镜筒30的一端又是连接于手轮52的，从而通过该支撑座61对调节结构50一整体起到了支撑作用，此时简化了所需要支撑结构，从而有利于简化该调节机构50的整体结构。进一步地，在支撑座61内嵌有的轴承63，手轮52通过插接柱521插设于该轴承63内。由于轴承63的内圈和外圈之间为滚动摩擦，从而使得用户在驱使手轮52相对于支撑座61转动时，两者之间为滚动摩擦力，此时的摩擦系数相对较小而有利于提高手轮52在转动调节过程中的顺畅性，同时也能够因为减小阻力而达到省力的效果，以便提高瞳距调节过程中的便利性。其中，手轮52上的插接柱521插入轴承63内的横截面可以呈非圆形状设置，以降低两者发生相对转动的可能。另外，需要说明的是，本申请不限于此，于其他实施例中，调节机构50也可以仅包括螺纹杆51和手轮52，此时螺纹杆51和手轮52二者至少其中之一可转动地设于安装架10即可。
请结合参考图7和图8，在本申请的一实施例中，螺纹杆51远离镜筒30的一端和手轮52相插接固定。
在本实施例中，螺纹杆51和手轮52相插接固定，可以使得两者的组装过程较为简单，也即直接将螺纹杆51远离镜筒30的一端插入该手轮52内即可，从而有利于提高组装效率。其中，螺纹杆51插入该手轮52内的段体的外表面可以未设有螺纹，且插入手轮52 内的段体的横截面可以呈非圆形设置，以降低手轮52和螺纹杆51两者发生自转的可能而提高两者相插接的稳定性。当然，需要说明的是，本申请不限于此，于其他实施例中，螺纹杆51和手轮52也可以是通过磁吸固定或者卡扣连接等。
请结合参考图1至图3，在本申请的一实施例中，镜筒30相背离的一侧均凸设有连接柱31，连接柱31内形成有螺纹孔311，螺纹孔311贯穿连接柱31背离镜筒30的表面，螺纹柱远离手轮52的一端插设于螺纹孔311内。
在本实施例中，镜筒30通过设有螺纹孔311的连接柱31与螺纹杆51进行螺纹连接，使得该螺纹杆51可以在保证穿过镜筒30内部的情况下连接于镜筒30的中部位置。也即，在不对镜筒30的内部造成影响下，可以在镜筒30中部位置施作用力而更好的驱动镜筒30进行相应的移动。其中，该连接柱31可以和镜筒30呈一体结构设置，以便提高两者在连接处的强度。
请参考图1、图2、图7以及图8，在本申请的一实施例中，瞳距调节机构还包括导向结构70，导向结构70可对镜筒30的滑动进行导向。
在本实施例中，通过导向结构70可以对镜筒30的滑动进行导向，使其仅能按照预定的滑动方向来进行滑动，从而有利于提高对瞳距调节的准确性。其中，导向结构70可以包括导向杆71，导向杆71设于安装架10，导向杆71沿镜筒30的滑动方向延伸设置并穿过镜筒30。此时，由于导向杆71穿过镜筒30，使得镜筒30在被各自的调节结构50驱动过程中仅沿着导向杆71的延伸方向进行移动，从而实现了对镜筒30的滑动进行导向。当然，本申请不限于此，于其他实施例中，导向结构70也可以包括至少两个滚动件73，其中的两个滚动件73分别可转动地设于镜筒30(也即镜筒30除了可以设有一个滚动件73，也可以设有两个或者更多个滚动件)，安装架10在对应两个滚动件73的位置设有导向槽11，导向槽11沿镜筒30的滑动方向延伸开设，至少两个滚动件73均容置于导向槽11内。此时，镜筒30上的滚动件73容置在导向槽11内，使得镜筒30在滑动过程中仅能沿着导向槽11的开设方向进行移动，从而实现了对镜筒30的滑动进行导向。并且，由于滚动件73与导向槽11为滚动接触，使得两者之间可以形成为摩擦系数相对较小的滚动摩擦，从而有利于降低两者之间的摩擦力而提高镜筒30滑动的顺畅性。也即可以进一步地达到省力效果而进一步地提高瞳距调节过程的便利性。其中，滚动件73可以为滚轮，请结合参考图1和图2；当然也可以为滚珠，请结合参考图7和图8,。而导向槽11可以是仅设置有一个，以用来容置两个滚动件73。当然，导向槽11也可以是设置有两个，以分别用来容置两个滚动件73。另外，还需要说明的是，本申请中瞳距调节机构的导向结构70可以 是仅包括有导向杆71，当然也可以是仅包括有滚动件73，亦或者是同时包括有导向杆71和滚动件73或者是其他能够起到导向作用的结构。
请参考图1或图7，在本申请的一实施例中，当导向结构70包括导向杆71和至少两个滚动件73时，定义镜筒30的滑动方向为左右方向，瞳距调节机构还具有垂直于左右方向的上下方向；导向杆71位于镜筒30的上端，至少两个滚动件73位于镜筒30的下端。
在本实施例中，将滚动件73设置在镜筒30的下端，使得镜筒30可以主要通过该滚动件73进行支撑。此时，镜筒30在该处对安装架10所施加压力最大，并在该处实现了与镜筒30之间形成滚动摩擦，从而有利于大幅度的提高镜筒30移动的顺畅性和降低在移动过程中造成的磨损。当然，需要说明的是，本申请不限于此，于其他实施例中，导向杆71和滚动件73在镜筒30的上下端互换设置位置也是可以的，即滚动件73设置在镜筒30的上端，而导向杆71设置在镜筒30的上端。另外，在导向结构70仅包括有导向杆71，可以在镜筒30的上下端的至少其中之一设有该导向杆71。而在导向结构70仅包括有滚动件73，可以在镜筒30的上下端的至少其中之一设有该滚动件73。
本申请还提出一种头戴设备，该头戴设备包括瞳距调节机构，该瞳距调节机构具有的具体结构参照上述实施例，由于本头戴设备采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。其中，该头戴设备可以为AR设备，或者是VR设备等。
以上所述仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是在本申请的申请构思下，利用本申请说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域包括在本申请的专利保护范围内。
需要说明的是，在本文中，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、物品或者系统不仅包括那些要素，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、物品或者系统所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者系统中还存在另外的相同要素。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
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。
Claims (13)
- 一种瞳距调节机构，其特征在于，包括：安装架；镜筒，两个所述镜筒呈并排设于所述安装架，并可在两个所述镜筒的并排方向上相对于所述安装架滑动；以及调节结构，两个所述调节结构分别对应其中一个所述镜筒设置，所述调节结构包括螺纹杆和手轮，所述调节结构中的所述螺纹杆的一端和对应的所述镜筒螺纹连接，另一端连接于所述手轮；其中，所述调节结构中的所述手轮在被外力作用驱动转动时可驱使所述螺纹杆转动，以带动对应的所述镜筒在两个所述镜筒的并排方向上滑动。
- 如权利要求1所述的瞳距调节机构，其特征在于，所述调节结构还包括传动组件，所述螺纹杆远离所述镜筒的一端通过所述传动组件连接于所述手轮；所述调节结构中的所述手轮可通过所述传动组件驱动所述螺纹杆转动，且所述传动组件的传动比小于1。
- 如权利要求2所述的瞳距调节机构，其特征在于，所述传动组件包括主动齿轮和从动齿轮，所述主动齿轮连接于所述手轮，所述从动齿轮连接于所述螺纹杆，并与所述主动齿轮相啮合，且所述从动齿轮的直径小于所述主动齿轮的直径，以使所述传动组件的传动比小于1。
- 如权利要求3所述的瞳距调节机构，其特征在于，所述手轮呈环形状设置，所述主动齿轮位于所述手轮的内侧，所述从动齿轮位于所述主动齿轮的内侧。
- 如权利要求4所述的瞳距调节机构，其特征在于，所述调节结构还包括固定架，所述固定架设于所述安装架，所述螺纹杆远离所述镜筒的一端可转动地设于所述固定架；所述手轮可转动地套设于所述固定架，所述固定架在对应所述手轮的位置凹陷形成有呈环形状的避让槽，所述主动齿轮和所述从动齿轮均容置于所述避让槽内，且所述从动齿轮还套设于穿设在所述避让槽内的所述螺纹杆。
- 如权利要求7所述的瞳距调节机构，其特征在于，所述固定架包括第一架体和第二架体，所述第一架体设于所述安装架，所述第二架体连接于所述第一架体，并和所述第一架体围合形成所述避让槽；且/或，所述固定架通过第一螺钉连接于所述安装架；且/或，所述螺纹杆远离所述镜筒的一端通过所述第二螺钉连接于所述固定架；且/或，所述主动齿轮和所述手轮呈一体结构设置。
- 如权利要求1所述的瞳距调节机构，其特征在于，所述调节机构还包括支撑组件，所述支撑组件包括支撑座和轴承，所述支撑座设于所述安装架，所述轴承嵌设于所述支撑座内；所述手轮远离所述螺纹杆的一端凸设有插接柱，所述插接柱远离所述手轮的一端插设于所述轴承内，以使所述手轮通过所述轴承可相对于所述支撑座转动。
- 如权利要求7所述的瞳距调节机构，其特征在于，所述螺纹杆远离所述镜筒的一端和所述手轮相插接固定。
- 如权利要求1至8中任意一项所述的瞳距调节机构，其特征在于，两个所述镜筒相背离的一侧均凸设有连接柱，所述连接柱内形成有螺纹孔，所述螺纹孔贯穿所述连接柱背离所述镜筒的表面，所述螺纹柱远离所述手轮的一端插设于所述螺纹孔内。
- 如权利要求1至8中任意一项所述的瞳距调节机构，其特征在于，所述瞳距调节机构还包括导向结构，所述导向结构可对两个所述镜筒的滑动进行导向。
- 如权利要求10所述的瞳距调节机构，其特征在于，所述导向结构包括导向杆，所述导向杆设于所述安装架，所述导向杆沿两个所述镜筒的滑动方向延伸设置并穿过两个所述镜筒；且/或，所述导向结构包括至少两个滚动件，其中的两个所述滚动件分别可转动地设于两个所述镜筒，所述安装架在对应两个所述滚动件的位置设有导向槽，所述导向槽沿两个所述镜筒的滑动方向延伸开设，至少两个所述滚动件均容置于所述导向槽内。
- 如权利要求11所述的瞳距调节机构，其特征在于，当所述导向结构包括所述导向杆和至少两个所述滚动件时，定义两个所述镜筒的滑动方向为左右方向；所述瞳距调节机构还具有垂直于左右方向的上下方向，所述导向杆位于所述镜筒的上端，至少两个所述滚动件位于所述镜筒的下端。
- 一种头戴设备，其特征在于，包括如权利要求1至12中任意一项所述的瞳距调节机构。
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| CN115166979B (zh) * | 2022-07-20 | 2024-04-05 | 歌尔光学科技有限公司 | 一种瞳距调节机构以及头戴设备 |
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| CN117706791A (zh) * | 2024-02-06 | 2024-03-15 | 玩出梦想(上海)科技有限公司 | 头戴式显示装置 |
| CN117706791B (zh) * | 2024-02-06 | 2024-05-14 | 玩出梦想(上海)科技有限公司 | 头戴式显示装置 |
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