WO2022247140A1 - 一种调节机构及头戴显示设备 - Google Patents

一种调节机构及头戴显示设备 Download PDF

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Publication number
WO2022247140A1
WO2022247140A1 PCT/CN2021/127430 CN2021127430W WO2022247140A1 WO 2022247140 A1 WO2022247140 A1 WO 2022247140A1 CN 2021127430 W CN2021127430 W CN 2021127430W WO 2022247140 A1 WO2022247140 A1 WO 2022247140A1
Authority
WO
WIPO (PCT)
Prior art keywords
adjustment
foam support
connecting shaft
adjustment mechanism
mechanism according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/127430
Other languages
English (en)
French (fr)
Inventor
高爱丽
姜滨
迟小羽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to US18/041,950 priority Critical patent/US12535181B2/en
Publication of WO2022247140A1 publication Critical patent/WO2022247140A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F16M13/022—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle repositionable
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/021—Locking means for rotational movement
    • F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
    • 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
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0181—Adaptation to the pilot/driver

Definitions

  • the invention relates to the technical field of wearable devices, in particular to an adjustment mechanism.
  • the present invention also relates to a head-mounted display device.
  • AR Augmented Reality, Augmented Reality
  • 3D modeling 3D modeling
  • real-time tracking and registration intelligent interaction, and sensing.
  • the generated text, images, 3D models, music, video and other virtual information are simulated and applied to the real world, and the two kinds of information complement each other, thereby realizing the "enhancement" of the real world.
  • VR Virtual Reality, Virtual Reality
  • VR Virtual Reality, Virtual Reality
  • a computer simulation system that can create and experience a virtual world. It uses a computer to generate a simulated environment and immerse users in the environment.
  • Virtual reality technology is to use the data in real life, through the electronic signal generated by computer technology, combine it with various output devices to transform it into a phenomenon that can be felt by people.
  • the head-mounted display device is usually equipped with a foam support on the device body, and a lens module is arranged in the middle shell of the device body.
  • the foam support is generally in the form of a ring structure with a handle.
  • the ring structure is used to tighten the user's forehead, ears and back of the head to ensure that the user can wear it stably.
  • the handle structure is connected to the middle shell as a whole.
  • the foam bracket and the middle shell are fixed as an integral structure, the parameter size and design angle of the foam bracket are fixed when they leave the factory.
  • the horizontal distance between the foam bracket and the lens module is fixed. , that is, the exit pupil distance (Eye Relief, ER) is fixed, and for different users, the optimal exit pupil distance must be different.
  • the user cannot adjust the wearing angle when putting the head into the foam bracket, which cannot meet the actual wearing needs of different users, and it is difficult to properly stabilize it on the user's head when wearing it. bad.
  • the purpose of the present invention is to provide an adjustment mechanism that can realize the adjustment of the exit pupil distance and wearing angle of the head-mounted display device, meet the user's personalized adjustment requirements for the exit pupil distance and wearing angle, and improve user experience.
  • Another object of the present invention is to provide a head-mounted display device.
  • the present invention provides an adjustment mechanism, which includes a middle shell, a foam support, and a function for adjusting the middle shell, which is movably arranged in the middle shell and connected with the foam support.
  • a sliding module at a horizontal distance from the foam support, and rotatably arranged on the sliding module and connected with the foam support for driving the foam support to turn over relative to the middle shell flip module.
  • the sliding module includes a mounting bracket connected to the inner wall of the middle shell, a guide bracket disposed on the surface of the mounting bracket, a slide plate slidably disposed on the guide bracket, the slide plate and the The overturning module is connected, and the sliding direction of the sliding plate is the direction of the horizontal distance between the middle shell and the foam support.
  • both sides of the surface of the guide bracket are provided with guide rails extending along the length direction thereof for cooperating with the two sides of the slide plate to slide.
  • the surface of the guide bracket is provided with an inner stopper for abutting against the inner end wall of the slide plate to limit the maximum distance of its inward sliding, and for abutting against the outer end wall of the slide plate to limit The outer stop for the maximum distance it slides outward.
  • the surface of the guide bracket is further provided with an upwardly protruding elastic piece
  • the bottom surface of the slide plate is provided with several levels of parking grooves protruding downward for engagement with the top end of the elastic piece, and
  • the arrangement direction of the parking slots at each stage is parallel to the sliding direction of the slide plate.
  • both ends of the elastic piece are respectively connected to the surface of the guide bracket, and the middle part of the elastic piece is arched into an arc.
  • the turning module includes a connection shaft connected to the end of the sliding module, a swing arm rotatably sleeved on the connection shaft, and the end of the swing arm is connected to the foam support .
  • both ends of the connecting shaft are provided with annular grooves
  • the arms are respectively sleeved in the annular grooves
  • the side walls of the annular grooves are in close contact with the surfaces of the arms to form damping friction.
  • the outer wall of the annular groove is the head end of a compression rod inserted into the end surface of the connecting shaft, and a knob for adjusting the pre-tightening force is provided on the head end surface of the compression rod .
  • a limiting groove extending in the circumferential direction is provided on the inner side wall of the ring groove, and the inner side surface of the swing arm is provided with groove walls for abutting against two ends of the limiting groove to limit its An abutment block for a range of rotation angles.
  • the turning module includes a connecting shaft connected to the end of the sliding module, a swing arm rotatably sleeved on the connecting shaft and connected to the foam support, and arranged on the connecting shaft.
  • the angle adjustment plate on the shaft, the connection seat connected to the foam support and extending to the angle adjustment plate, and the stop column arranged on the surface of the connection seat, the surface of the angle adjustment plate is provided with several A stop groove for cooperating with the stop post to lock it in the current rotational position.
  • the angle adjustment disc is erected on the circumferential surface of the connecting shaft, the stop column is perpendicular to the surface of the angle adjustment disc, the surface of the connection seat is provided with a socket hole, and the The head end of the stop post is detachably inserted into the socket hole.
  • the stop post includes a stop cylinder inserted in the socket hole, a return spring axially connected in the stop cylinder, stuffed at the mouth of the stop cylinder and An elastic ball protruding outward, the end of the return spring is connected with the elastic ball.
  • the elastic ball includes a blunt end and a pointed end connected as one, and the blunt end is clamped at the mouth of the stop cylinder, and the pointed end protrudes out of the mouth of the stop cylinder and is in contact with the stop cylinder. Match the stop groove described above.
  • the turning module includes a connecting shaft connected to the end of the sliding module, a swing arm rotatably sleeved on the connecting shaft and connected to the foam support, and arranged on the connecting shaft.
  • the end face of the rod is provided with several end face teeth distributed along its turning track, and the surface of the fixed adjusting plate is provided with several tooth-shaped grooves for meshing with each of the end face teeth.
  • the fixed adjustment plate is erected on the circumferential surface of the connecting shaft, the telescopic direction of the movable adjustment rod is perpendicular to the surface of the fixed adjustment plate, and the end of the movable adjustment rod is connected with an arc-shaped plate , and each of the end teeth are distributed on the surface of the arc plate
  • a socket hole is opened on the surface of the connecting seat, the head end of the movable adjusting rod is telescopically inserted into the socket hole, and the movable adjusting rod is sleeved with Its end compresses the pre-tension spring of the fixed adjusting plate.
  • limit ribs are provided on the circumferential surface of the movable adjustment rod, and several limit ribs are provided on the radial direction of the socket hole for cooperating with each limit rib to limit the movement.
  • Anti-rotation groove for adjusting the rotational freedom of the rod.
  • the present invention also provides a head-mounted display device, including the adjustment mechanism described in any one of the above.
  • the adjustment mechanism provided by the present invention mainly includes a middle shell, a foam support, a sliding module and an overturning module.
  • the middle shell is the main structure of the main body of the device, and is mainly used to install other parts.
  • the foam bracket is connected to the middle shell, and is mainly used for wearing by the user, and is fixed around the head.
  • the sliding module is set in the middle shell and connected between the middle shell and the foam support, and can move directional in the middle shell, mainly used to change the level between the middle shell and the foam support during its movement Distance, so as to realize the adjustment of exit pupil distance.
  • the flipping module is connected between the sliding module and the foam support, and one end of it is rotatably connected with the sliding module, which can perform directional rotation on the sliding module, and is mainly used to drive the foam support to rotate synchronously during the rotation, so that
  • the foam bracket performs flip movement relative to the middle shell to realize the adjustment of the wearing angle of the foam bracket.
  • the exit pupil distance adjustment of the head-mounted display device can be realized; by turning the module to drive the foam support to rotate around the sliding module, the Realize the adjustment of the wearing angle of the head-mounted display device.
  • the adjustment mechanism provided by the present invention can realize the adjustment of the exit pupil distance and wearing angle of the head-mounted display device, meet the user's personalized adjustment requirements for the exit pupil distance and wearing angle, and improve user experience.
  • Fig. 1 is a schematic diagram of the overall structure of a specific embodiment provided by the present invention.
  • Fig. 2 is an exploded view of the structure of Fig. 1 .
  • Fig. 3 is a schematic diagram of an exploded structure of the sliding module.
  • Fig. 4 is a schematic diagram of the specific structure of the guide bracket.
  • Fig. 5 is a schematic diagram of the specific structure of the slider.
  • Fig. 6 is a schematic diagram of the cooperative structure of the elastic piece and the parking groove.
  • Fig. 7 is a schematic diagram of the first specific structure of the turning module.
  • Fig. 8 is a schematic diagram of the second specific structure of the turning module.
  • Fig. 9 is a schematic diagram of the specific structure of the stop column.
  • Fig. 10 is a schematic diagram of the specific structure of the angle adjustment disc.
  • FIG. 11 is a schematic diagram of the specific structure of the connecting seat in this embodiment.
  • Fig. 12 is a schematic diagram of the stepped clamping transmission process between the stop post and the stop groove.
  • Fig. 13 is a schematic diagram of the third specific structure of the flipping module.
  • Fig. 14 is a schematic diagram of the specific structure of the movable adjusting rod.
  • Fig. 15 is a schematic diagram of the specific structure of the fixed adjustment plate.
  • FIG. 16 is a schematic diagram of the specific structure of the connecting seat in this embodiment.
  • Fig. 17 is a schematic diagram of the stepwise meshing transmission process between the end face teeth and the toothed grooves.
  • Middle shell 1, foam support—2, sliding module—3, flipping module—4;
  • FIG. 1 is a schematic diagram of the overall structure of a specific embodiment provided by the present invention
  • FIG. 2 is an exploded view of the structure in FIG. 1 .
  • the adjustment mechanism mainly includes a middle shell 1 , a foam support 2 , a sliding module 3 and an overturning module 4 .
  • the middle shell 1 is the main structure of the main body of the device, and is mainly used to install and accommodate other components.
  • the foam support 2 is connected to the middle shell 1, and is mainly used for wearing by the user, and is fixed around the head.
  • the sliding module 3 is arranged in the middle shell 1, and is connected between the middle shell 1 and the foam support 2, and can move directionally in the middle shell 1, and is mainly used to change the middle shell 1 (and The lens module installed therein) and the horizontal distance between the foam support 2, thereby realizing the adjustment of the exit pupil distance.
  • the overturning module 4 is connected between the sliding module 3 and the foam support 2, and one end of the overturning module 4 is rotatably connected with the sliding module 3, and can perform directional rotation on the sliding module 3, mainly used in the rotation process
  • the center drives the foam support 2 to rotate synchronously, so that the foam support 2 performs an overturning movement relative to the middle shell 1 to realize the adjustment of the wearing angle of the foam support 2 .
  • the adjustment of the exit pupil distance of the head-mounted display device can be realized by changing the horizontal distance between the middle shell 1 and the foam support 2 through the directional movement of the sliding module 3 in the middle shell 1; the foam support can be driven by turning over the module 4 2
  • the way of rotating around the sliding module 3 can realize the adjustment of the wearing angle of the head-mounted display device.
  • the adjustment mechanism provided by this embodiment can realize the adjustment of the exit pupil distance and the wearing angle of the head-mounted display device, satisfy the user's personalized adjustment requirements for the exit pupil distance and the wearing angle, and improve user experience.
  • FIG. 3 is a schematic diagram of an exploded structure of the sliding module 3 .
  • the sliding module 3 includes a mounting bracket 31 , a guiding bracket 32 and a sliding plate 33 .
  • the mounting bracket 31 is arranged in the middle shell 1 and connected with the inner wall of the middle shell 1 , and has plate parts distributed along the horizontal direction.
  • the guide bracket 32 is arranged on the surface of the installation bracket 31
  • the slide plate 33 is arranged on the surface of the guide bracket 32 , and can perform reciprocating sliding movement on the surface of the guide bracket 32 .
  • the end of the sliding plate 33 is connected with the turning module 4
  • the sliding direction of the sliding plate 33 is the direction of the horizontal distance between the middle shell 1 and the foam support 2 .
  • the foam bracket 2 can be driven to move synchronously by turning over the module 4, and then the distance between the middle shell 1 and the foam bracket 2 can be changed in real time to realize a Pupil distance adjustment.
  • fasteners such as bolts are provided at the end of the slide plate 33 in this embodiment to connect with the connecting shaft 41a, the connecting shaft 41b, and the connecting shaft 41c in the turning module 4.
  • the flat grooves opened on the upper part are connected, and the axial directions of the connecting shaft 41a, the connecting shaft 41b, and the connecting shaft 41c are generally perpendicular to the sliding direction of the slide plate 33 while maintaining a horizontal state.
  • FIG. 4 is a schematic structural view of the guide bracket 32 .
  • guide rails 34 are provided on both sides of the surface of the guide bracket 32, so that the two sides of the slide plate 33 are respectively installed into the guide slide rails 34, so that the slide plate 33 can move along the guide rails.
  • 34 reciprocatingly slides along the length direction to form a guiding effect on the linear motion of the slide plate 33 through the guide rail 34 .
  • the length direction of the guide slide 33 can extend along the length direction or the width direction of the guide bracket 32 and be parallel to the straight line direction of the exit pupil distance.
  • this embodiment also provides an inner stopper 35 and an outer stopper 36 on the surface of the guide bracket 32 .
  • the inner stop block 35 is mainly used to form abutment with the inner end wall of the slide plate 33, to limit the maximum distance that the slide plate 33 slides inwardly (towards the middle shell 1 direction) on the guide rail 34, thereby limiting the exit pupil Minimum value for distance adjustment.
  • the outer stop block 36 is mainly used to abut against the outer end wall of the slide plate 33 to limit the maximum distance that the slide plate 33 slides outward (towards the direction of the foam support 2) on the guide rail 34, thereby limiting the exit pupil distance Turn up the maximum value.
  • two inner stoppers 35 and two outer stoppers 36 can be provided, and the two inner stoppers 35 are respectively distributed at both ends of the inner surface of the guide bracket 32, while the two outer stoppers Blocks 36 are respectively distributed at both ends of the outer surface of the guide bracket 328 .
  • FIG. 5 is a schematic structural diagram of the slide plate 33 .
  • the stepped formula of the exit pupil distance The adjustment method achieves the above effects.
  • an elastic piece 37 is provided on the surface of the guide bracket 32
  • several parking grooves 38 are provided on the bottom surface of the sliding plate 33 .
  • each parking groove 38 protrudes downward by a certain distance on the bottom surface of the slide plate 33, so that the top of the elastic sheet 37 can be snapped into each parking groove 38 middle.
  • the arrangement direction of each parking groove 38 on the sliding plate 33 is parallel to the sliding direction of the sliding plate 33 .
  • FIG. 6 is a schematic diagram of the cooperative structure of the elastic piece 37 and the parking groove 38 .
  • the two ends of the elastic piece 37 are respectively connected to the surface of the guide bracket 32, and at the same time, the middle of the elastic piece 37 The part is arched into an arc, so that under the transitional action of the arc structure, the elastic sheet 37 can be elastically deformed smoothly.
  • FIG. 7 is a schematic diagram of a first specific structure of the turning module 4 .
  • the turning module 4 mainly includes a connecting shaft 41a and a swing arm 42a.
  • the connecting shaft 41a is connected with the slide plate 33 in the sliding module 3 , and when the sliding module 3 moves directionally, the connecting shaft 41a moves synchronously with it.
  • the head end of the swivel arm 42a is sleeved on the connecting shaft 41a, and can rotate around the connecting shaft 41a.
  • the end of the swivel arm 42a is connected with the foam support 2, thereby driving the foam support 2 to rotate around the connecting shaft 41a together.
  • the foam bracket 2 rotates, it is equivalent to flipping relative to the middle shell 1, so as to realize the adjustment of the flip angle of the foam bracket 2 on the middle shell 1, and then realize the adjustment of the wearing angle of the forehead strap.
  • an annular groove 411 is provided on the connecting shaft 41a, so that the head end of the swing arm 42a is sleeved in the ring groove 411, so that the first end of the swing arm 42a The end rotates around the ring groove 411.
  • the end of the swing arm 42a is provided with a connecting plate 421a, so as to be connected with the foam support 2 through the connecting plate 421a, for example, through fasteners such as bolts.
  • two swing arms 42a are provided at the same time, and ring grooves 411 are provided at the axial ends of the connecting shaft 41a at the same time. 42a are sleeved in corresponding ring grooves 411 respectively.
  • the foam support 2 can stay at any target turning position.
  • the surfaces are close to each other and are treated to form a damping friction effect.
  • the user needs to apply an appropriate torque on the foam support 2, and the swing arm 42a receives a damping effect when rotating in the ring groove 411. It can hover at any rotation position at any time, so that the foam support 2 can be stopped at the target angle position arbitrarily.
  • the outer wall of the ring groove 411 in this embodiment passes through the head of the pressing rod 43a end to replace.
  • the compression rod 43a is axially inserted into the end surface of the connecting shaft 41a, and the inner end surface of the head end of the compression rod 43a presses the outer surface of the swing arm 42a in the ring groove 411 .
  • a knob 44a is also provided on the head end surface of the compression rod 43a, so as to tighten or loosen the connection degree between the compression rod 43a and the connecting shaft 41a through the knob 44a, and then adjust the compression rod 43a to the swing arm 42a.
  • the pre-tightening force and compression degree of the outer surface are to adjust the damping friction effect between the ring groove 411 and the swing arm 42a.
  • a limiting groove 412 is provided on the inner wall surface of the ring groove 411, and a stopper is provided on the inner surface of the swing arm 42a. Go to block 422. Specifically, when the head end of the swivel arm 42a is sleeved in the collar, the abutment block 422 is also placed in the limiting groove 412 at the same time, and rotates synchronously in the limiting groove 412 with the rotation of the swivel arm 42a.
  • the distribution direction of the limiting groove 412 on the connecting shaft 41a is the circumferential direction, and has a preset central angle range, so that when the abutting block 422 abuts against the two sides of the limiting groove 412, the rotation is limited.
  • the bidirectional rotation angle range of the arm 42 a in the ring groove 411 further limits the flip angle range of the foam support 2 .
  • FIG. 8 is a second specific structural schematic diagram of the turning module 4 .
  • the turning module 4 mainly includes a connecting shaft 41b, a swing arm 42b, an angle adjusting plate 43b, a connecting seat 44b and a stop post 45b.
  • the connecting shaft 41b is connected with the slide plate 33 in the sliding module 3 , and when the sliding module 3 moves directionally, the connecting shaft 41b moves synchronously with it.
  • the head end of the swivel arm 42b is sleeved on the connecting shaft 41b, and can rotate around the connecting shaft 41b.
  • the end of the swivel arm 42b is connected with the foam support 2, thereby driving the foam support 2 to rotate around the connecting shaft 41b together.
  • the foam bracket 2 rotates, it is equivalent to flipping relative to the middle shell 1, so as to realize the adjustment of the flip angle of the foam bracket 2 on the middle shell 1, and then realize the adjustment of the wearing angle of the forehead strap.
  • the angle adjustment disc 43b is arranged on the connecting shaft 41b, generally erected on the peripheral surface of the connecting shaft 41b, and extends along the radial plane of the connecting shaft 41b, and is mainly used to realize the stepwise flip adjustment of the foam support 2 .
  • One end of the connection seat 44b is connected to the foam support 2, and the other end (end) extends to the angle adjustment plate 43b, opposite to the surface of the angle adjustment plate 43b.
  • the stop post 45b is arranged on the end surface of the connecting seat 44b, so that the end of the stop post 45b is close to the angle adjustment plate 43b, and drives the stop post 45b and the foam support 2 to rotate synchronously.
  • FIG. 10 is a schematic diagram of the specific structure of the angle adjustment plate 43b.
  • each stop groove 431b on the angle adjustment plate 43b corresponds to the trajectory of the rotation movement of the stop post 45b synchronously with the flipping of the foam support 2 .
  • the end of the stop post 45b is elastic, and can be snapped into the stop groove 431b through elastic deformation to keep locked, and can also be disengaged from the stop groove 431b through elastic deformation.
  • the foam support 2 turns over, and then drives the stop post 45b to rotate synchronously; during this process, the end of the stop post 45b is resisted by the side wall of the stop slot 431b
  • the elastic deformation is generated by receiving the force, and then the end of the stop post 45b is disengaged from the currently engaged stop slot 431b, and then rotates synchronously with the foam support 2 in a small range, and finally the end of the stop post 45b is in the Under the action of the elastic reaction force, it returns to its original state, and snaps into another stop groove 431b, and enters the locked state again.
  • FIG. 11 is a schematic diagram of the specific structure of the connecting seat 44b in this embodiment.
  • the stop post 45b and the connection seat 44b are detachably connected.
  • the connection seat 44b is erected on the outer wall surface of the foam support 2 and protrudes to a certain height from the surface of the foam support 2.
  • a socket hole 441b is opened on the end surface of the connection seat 44b, and the stop post The head end of 45b is inserted in the socket hole 441b, usually by fixing the stop post 45b in the socket hole 441b by bolts and other fasteners, or by attracting the head end of the stop post 45b through the iron core of the electromagnet. Detachable connection.
  • the head end of the stop post 45b can also be directly fixed in the socket hole 441b.
  • two swing arms 42b are generally provided at the same time, and their first ends are respectively connected to the left and right sides of the foam support 2 through the connecting plate 421b. At the same time, the ends of each swing arm 42b are sleeved on the two ends of the connecting shaft 41b.
  • a fastening hole is also provided on the end face of the connecting shaft 41b, so as to resist the swing arm 42b through the cooperation of the fastener and the fastening hole, while not hinder its normal rotation.
  • FIG. 9 is a schematic structural diagram of the stop column 45b.
  • the stop post 45b mainly includes a stop cylinder 451b, a return spring 452b and an elastic ball 453b.
  • the stopping cylinder 451b is integrally inserted into the socket hole 441b on the connecting seat 44b, and the return spring 452b is arranged in the stopping cylinder 451b, and its elastic force direction is the axial direction of the stopping cylinder 451b.
  • the elastic ball 453b is stuffed in the mouth of the stop cylinder 451b, and protrudes outward for a certain distance.
  • one end of the return spring 452b is connected to the inner side of the elastic ball 453b, and the other end of the return spring 452b is connected to the bottom surface of the stop cylinder 451b. connected.
  • the actual shape of the elastic ball 453b is not an ideal sphere, but closer to an ellipsoid, which mainly includes two parts, namely a blunt end 4531 and a pointed end 4532 .
  • the blunt end 4531 has a larger radius, and is integrally snapped into the mouth of the stop cylinder 451b, and cannot be pushed out of the mouth of the cylinder by the elastic force of the return spring 452b, but can slide in the stop cylinder 451b to ensure that the elastic ball 453b is at the mouth of the cylinder.
  • the radius of the tip 4532 is smaller, protruding from the mouth of the stop cylinder 451b as a whole, which can easily produce elastic deformation, and is mainly used to snap into the stop groove 431b on the angle adjustment disc 43b through elastic deformation , the elastic ball 453b is fixedly locked in the corresponding stop groove 431b, and at the same time, it can also be disengaged from the current stop groove 431b through elastic deformation, and then snapped into another stop groove 431b again.
  • FIG. 12 is a schematic diagram of a stepwise clamping transmission process between the stop post 45b and the stop groove 431b.
  • the two ends of the return spring 452b are kept in a compressed state between the blunt end 4531 of the elastic ball 453b and the bottom surface of the stop cylinder 451b, and the elastic ball 453b is held by elastic force.
  • the tip 4532 snaps into the stop groove 431b through elastic deformation, so that the stop post 45b and the stop groove 431b maintain a locked state.
  • the user pulls the foam support 2, causing the foam support 2 to overturn, and then drives the stop post 45b to rotate synchronously, and the contact surface between the tip 4532 of the stop ball and the stop groove 431b is tilted
  • the abutment force of the abutment force, the axial component force of the abutment force overcomes the elastic force of the return spring 452b, so that the elastic ball 453b goes deep into the stop cylinder 451b and the tip 4532 of the elastic ball 453b breaks away from the current stop groove 431b, and then
  • the tip 4532 of the elastic ball 453b is driven to rotate at a small angle by the circumferential component force of the abutment force to reach the new stop groove 431b, and finally the elastic ball 453b is re-pressed under the elastic force of the return spring 452b.
  • the tip 4532 is kept in engagement with the stop groove 431b to complete the stepwise flip angle adjustment of the foam support 2 .
  • the shape of the stop groove 431b is arc-shaped.
  • FIG. 13 is a schematic diagram of a third specific structure of the turning module 4 .
  • the turning module 4 mainly includes a connecting shaft 41c, a swing arm 42c, a fixed adjustment plate 43c, Connecting seat 44c and movable adjusting rod 45c.
  • the connecting shaft 41c is connected with the slide plate 33 in the sliding module 3 , and when the sliding module 3 moves directionally, the connecting shaft 41c moves synchronously with it.
  • the head end of the swivel arm 42c is sleeved on the connecting shaft 41c, and can rotate around the connecting shaft 41c.
  • the end of the swivel arm 42c is connected with the foam support 2, thereby driving the foam support 2 to rotate around the connecting shaft 41c together.
  • the foam bracket 2 rotates, it is equivalent to flipping relative to the middle shell 1, so as to realize the adjustment of the flip angle of the foam bracket 2 on the middle shell 1, and then realize the adjustment of the wearing angle of the forehead strap.
  • the fixed adjustment plate 43c is arranged on the connecting shaft 41c, generally erected on the peripheral surface of the connecting shaft 41c, and extends along the radial plane of the connecting shaft 41c, and is mainly used to realize the stepwise flip adjustment of the foam support 2 .
  • One end of the connection seat 44c is connected on the foam support 2, and the other end (end) extends to the fixed adjustment plate 43c, opposite to the surface of the fixed adjustment plate 43c, and is mainly used for installing the movable adjustment rod 45c, so that the movable adjustment rod 45c The end is close to the fixed adjustment plate 43c, and drives the movable adjustment rod 45c and the foam support 2 to turn over synchronously.
  • the movable adjusting rod 45c is inserted on the connecting seat 44c, and can perform axial telescopic movement on the connecting seat 44c.
  • Several end face teeth 451c are arranged on the end face of the movable adjusting rod 45c, which can move axially reciprocatingly along with the axial telescopic movement of the movable adjusting rod 45c, and each end face tooth 451c is on the end face of the movable adjusting rod 45c.
  • the distribution form of is corresponding to the turning track of movable regulating rod 45c.
  • FIG. 15 is a schematic diagram of the specific structure of the fixed adjustment plate 43c.
  • tooth-shaped grooves 431c for meshing with each end face tooth 451c are provided on the surface of the fixed adjustment plate 43c, so that each end face tooth 451c is out of the current engagement during the axial expansion and contraction process of the movable adjustment rod 45c
  • the toothed groove 431c of the movable adjusting rod 45c is rotated to re-engage with another corresponding toothed groove 431c along with the overturning movement of the movable adjusting rod 45c.
  • the distribution form of the toothed grooves 431c on the surface of the fixed adjustment plate 43c is the same as the distribution form of the end surface teeth 451c on the end surface of the movable adjustment rod 45c.
  • the movable adjustment rod 45c In order to facilitate the movable adjustment rod 45c to smoothly disengage the end tooth 451c from the toothed groove 431c and to normally mesh the end tooth 451c into the toothed groove 431c when the movable adjustment rod 45c performs axial telescopic movement, in this embodiment, the movable adjustment The stretching direction of the rod 45c is perpendicular to the surface of the fixed adjusting plate 43c, that is, the movable adjusting rod 45c is in a vertical relationship with the fixed adjusting plate 43c.
  • the head end of the connection seat 44c is connected to the foam support 2, and its end extends to the side surface of the fixed adjustment plate 43c, and the end surface of the connection seat 44c is kept constant with the surface of the fixed adjustment plate 43c. spacing, so that the movable adjustment rod 45c is installed and the axial telescopic movement of the movable adjustment rod 45c is carried out.
  • two swing arms 42c are generally provided at the same time, and their first ends are respectively connected to the left and right sides of the foam support 2 through connecting plates 421c. At the same time, the ends of each swing arm 42c are sleeved on the two ends of the connecting shaft 41c.
  • a fastening hole is also provided on the end face of the connecting shaft 41c, so as to resist the swing arm 42c through the cooperation of the fastener and the fastening hole, while not hinder its normal rotation.
  • FIG. 14 is a schematic diagram of the specific structure of the movable adjusting rod 45c.
  • an arc-shaped plate 452c is connected to the end of the movable adjusting rod 45c in this embodiment, and each end face tooth 451c is distributed on the arc. on the surface of plate 452c.
  • the arc structure of the arc plate 452c also corresponds to the rotation trajectory of the movable adjustment rod 45c, which is equivalent to a complete gear part of the fan-shaped area.
  • FIG. 16 is a schematic diagram of the specific structure of the connecting seat 44c in this embodiment.
  • the connecting seat 44c is specifically set up on the outer wall surface of the foam support 2, and protrudes from the surface of the foam support 2 to a certain height, and at the same time , the end of the connecting seat 44c extends to the side of the surface of the fixed adjustment plate 43c on the connecting shaft 41c.
  • a socket hole 441c is opened on the end surface of the connecting seat 44c, and the head end of the movable adjusting rod 45c can be inserted into the socket hole 441c, and can perform telescopic movement in the socket hole 441c.
  • a pre-tension spring 46 is sheathed on the movable adjusting rod 45c, and the pre-tension spring 46 is inserted in the socket hole 441c, one end of which is in contact with the inner wall of the socket hole 441c, and the other end is in contact with the arc-shaped plate 452c. surface abutment.
  • FIG. 17 is a schematic diagram of the stepwise meshing transmission process between the end tooth 451c and the toothed groove 431c.
  • the user pulls the foam support 2, causing the foam support 2 to turn over, and then drives the movable adjustment rod 45c to rotate synchronously, and the contact surface between the end face teeth 451c and the toothed groove 431c produces an inclined abutment Active force, using the axial component force of the abutment force to overcome the elastic force of the pre-tension spring 46, so that the movable adjustment rod 45c goes deep into the socket hole 441c and makes the end face teeth 451c break away from the current tooth-shaped groove 431c, and then utilizes the abutment force Circumferential component force drives the end tooth 451c to rotate at a small angle to reach the new tooth groove 431c. Finally, under the elastic force of the pre-tension spring 46, the end tooth 451c is re-pressed, and the new tooth groove 431c Keeping the engagement, the stepwise flip angle adjustment of the foam support 2 is completed.
  • the shapes of the end teeth 451c and the tooth grooves 431c are both arc-shaped.
  • each limiting rib 453c is inserted into each anti-rotation groove 442 at the same time, and the circumferential limiting effect of the anti-rotation groove 442 on the limiting rib 453c is used to prevent
  • the movable adjusting rod 45c performs circumferential rotational movement in the socket hole 441c, and only allows the movable adjusting rod 45c to perform axial telescopic movement.
  • This embodiment also provides a head-mounted display device, which mainly includes an adjustment mechanism, wherein the specific content of the mechanism is the same as the above-mentioned relevant content, and will not be repeated here.

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Abstract

本发明公开一种调节机构，包括中壳、泡棉支架，还包括可移动地设置于所述中壳内并与所述泡棉支架相连、用于调节所述中壳与所述泡棉支架的水平间距的滑动模组，以及可旋转地设置于所述滑动模组上并与所述泡棉支架相连、用于带动所述泡棉支架相对所述中壳进行翻转的翻转模组。在需要调节出瞳距离时，用户只需拉动泡棉支架相对中壳进行内外定向移动即可，而在需要调节佩戴角度时，用户只需扳动泡棉支架相对中壳进行顺逆时针翻转即可，能够实现头戴显示设备的出瞳距离及佩戴角度调节，满足用户对于出瞳距离与佩戴角度的个性化调节需求，提高用户体验。本发明还公开一种头戴显示设备，其有益效果如上所述。

Description

一种调节机构及头戴显示设备
本申请要求于2021年05月28日提交中国专利局、申请号为202110593456.3、发明名称为“一种调节机构及头戴显示设备”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。
技术领域
本发明涉及可穿戴设备技术领域，特别涉及一种调节机构。本发明还涉及一种头戴显示设备。
背景技术
随着虚拟现实、增强现实技术的发展，越来越多的头戴显示设备已得到广泛使用。
AR(Augmented Reality，增强现实)技术是一种将虚拟信息与真实世界巧妙融合的技术，广泛运用了多媒体、三维建模、实时跟踪及注册、智能交互、传感等多种技术手段，将计算机生成的文字、图像、三维模型、音乐、视频等虚拟信息模拟仿真后，应用到真实世界中，两种信息互为补充，从而实现对真实世界的“增强”。
VR(Virtual Reality，虚拟现实)技术是一种可以创建和体验虚拟世界的计算机仿真系统，它利用计算机生成一种模拟环境，使用户沉浸到该环境中。虚拟现实技术就是利用现实生活中的数据，通过计算机技术产生的电子信号，将其与各种输出设备结合使其转化为能够让人们感受到的现象。
为便于佩戴，头戴显示设备通常在设备主体上配置有泡棉支架，而设备主体的中壳内设置有镜片模组。泡棉支架大体呈具有一个柄部的环状结构，利用环状结构箍紧用户的前额、耳侧与后脑勺部位，保证用户佩戴稳固，同时利用柄部结构与中壳连接成一体。
然而，由于泡棉支架与中壳固定为一个整体结构，导致泡棉支架在出厂时的参数尺寸与设计角度等参数是固定的，一方面导致泡棉支架与镜片模组 的水平距离是固定的，也就是出瞳距离(Eye Relief，ER)固定，对于不同用户而言，其最佳出瞳距离必然是各不相同的，现有技术中的头戴显示设备显然无法满足用户对出瞳距离的个性化调节需求；另一方面导致用户无法调节将头部套入泡棉支架内时的佩戴角度，无法满足不同用户的实际佩戴需求，在佩戴时难以恰当地稳固在用户头部，用户体验不佳。
因此，如何实现头戴显示设备的出瞳距离及佩戴角度调节，满足用户对于出瞳距离与佩戴角度的个性化调节需求，提高用户体验，是本领域技术人员面临的技术问题。
发明内容
本发明的目的是提供一种调节机构，能够实现头戴显示设备的出瞳距离及佩戴角度调节，满足用户对于出瞳距离与佩戴角度的个性化调节需求，提高用户体验。本发明的另一目的是提供一种头戴显示设备。
为解决上述技术问题，本发明提供一种调节机构，包括中壳、泡棉支架，还包括可移动地设置于所述中壳内并与所述泡棉支架相连、用于调节所述中壳与所述泡棉支架的水平间距的滑动模组，以及可旋转地设置于所述滑动模组上并与所述泡棉支架相连、用于带动所述泡棉支架相对所述中壳进行翻转的翻转模组。
优选地，所述滑动模组包括与所述中壳的内壁相连的安装支架、设置于所述安装支架表面的导向支架、可滑动地设置于所述导向支架上的滑板，所述滑板与所述翻转模组相连，且所述滑板的滑动方向为所述中壳与所述泡棉支架的水平间距方向。
优选地，所述导向支架的表面两侧均设置有沿其长度方向延伸、用于与所述滑板的两侧边配合滑动的导向滑轨。
优选地，所述导向支架的表面设置有用于与所述滑板的内侧端壁抵接以限制其向内滑动的最大距离的内止挡块、以及与所述滑板的外侧端壁抵接以限制其向外滑动的最大距离的外止挡块。
优选地，所述导向支架的表面还设置有向上凸起的弹性片，所述滑板的底面设置有向下凸起、用于与所述弹性片的顶端卡接的若干级停驻槽，且各级所述停驻槽的排列方向平行于所述滑板的滑动方向。
优选地，所述弹性片的两端分别连接在所述导向支架的表面，且所述弹性片的中部拱曲成弧形。
优选地，所述翻转模组包括与所述滑动模组的末端相连的连接轴、可旋转地套设于所述连接轴上的旋臂，所述旋臂的末端与所述泡棉支架相连。
优选地，所述连接轴的两端均开设有环槽，所述旋臂分别套设于所述环槽内，且所述环槽的侧壁与所述旋臂的表面紧贴以形成阻尼摩擦。
优选地，所述环槽的外侧壁为插设于所述连接轴的端面内的压紧杆的头端，且所述压紧杆的头端端面上设置有用于调节其预紧力的旋钮。
优选地，所述环槽的内侧壁面上开设有沿周向延伸的限位槽，且所述旋臂的内侧表面上设置有用于与所述限位槽的两端槽壁抵接以限制其旋转角度范围的抵接块。
优选地，所述翻转模组包括与所述滑动模组的末端相连的连接轴、可旋转地套设于所述连接轴上并与所述泡棉支架相连的旋臂、设置于所述连接轴上的角度调节盘、连接在所述泡棉支架上并延伸至所述角度调节盘处的连接座、设置于所述连接座表面的止动柱，所述角度调节盘的表面开设有若干个用于与所述止动柱配合以将其固锁在当前转动位置的止动槽。
优选地，所述角度调节盘立设于所述连接轴的周向表面，所述止动柱垂直于所述角度调节盘的表面，所述连接座的表面开设有接插孔，且所述止动柱的首端可拆卸地插设于所述接插孔内。
优选地，所述止动柱包括插设于所述接插孔中的止动筒、沿轴向连接于所述止动筒内的复位弹簧、填塞于所述止动筒的筒口处并向外凸出的弹性球，所述复位弹簧的端部与所述弹性球相连。
优选地，所述弹性球包括连为一体的钝端与尖端，且所述钝端卡接于所述止动筒的筒口处，所述尖端外伸出所述止动筒的筒口并与所述止动槽配合。
优选地，所述翻转模组包括与所述滑动模组的末端相连的连接轴、可旋转地套设于所述连接轴上并与所述泡棉支架相连的旋臂、设置于所述连接轴上的固定调节板、连接在所述泡棉支架上并延伸至所述固定调节板处的连接座、可轴向伸缩地插设于所述连接座上的活动调节杆，所述活动调节杆的末端端面设置有若干个沿其翻转轨迹分布的端面齿，所述固定调节板的表面开设有若干个用于与各所述端面齿啮合的齿形槽。
优选地，所述固定调节板立设于所述连接轴的周向表面，所述活动调节杆的伸缩方向垂直于所述固定调节板的表面，所述活动调节杆的末端连接有弧形板，且各所述端面齿均分布于所述弧形板的表面
优选地，所述连接座的表面开设有接插孔，所述活动调节杆的首端可伸缩地插设于所述接插孔内，且所述活动调节杆上套设有用于通过弹力使其末端压紧所述固定调节板的预紧弹簧。
优选地，所述活动调节杆的周向表面上设置有若干根限位筋，且所述接插孔的径向上开设有若干个用于与各所述限位筋配合滑动以限制所述活动调节杆的旋转自由度的止转槽。
本发明还提供一种头戴显示设备，包括如上述任一项所述的调节机构。
本发明所提供的调节机构，主要包括中壳、泡棉支架、滑动模组和翻转模组。其中，中壳为设备主体的主要结构，主要用于安装其余零部件，泡棉支架与中壳相连，主要用于供用户进行佩戴，环绕固定在头部上。滑动模组设置在中壳内，并连接在中壳与泡棉支架之间，且可在中壳内进行定向移动，主要用于在其移动过程中改变中壳与泡棉支架之间的水平间距，从而实现出瞳距离的调节。翻转模组连接在滑动模组与泡棉支架之间，且其一端与滑动模组转动连接，可在滑动模组上进行定向转动，主要用于在转动过程中带动泡棉支架同步转动，使泡棉支架相对中壳进行翻转运动，实现泡棉支架的佩戴角度调节。如此，通过滑动模组在中壳内的定向移动改变中壳与泡棉支架水平间距，可实现头戴显示设备的出瞳距离调节；通过翻转模组带动泡棉支架围绕滑动模组转动，可实现头戴显示设备的佩戴角度调节。在需要调节出瞳距离时，用户只需拉动泡棉支架相对中壳进行内外定向移动即可，而在需要调节佩戴角度时，用户只需扳动泡棉支架相对中壳进行顺逆时针翻转即可。综上所述，本发明所提供的调节机构，能够实现头戴显示设备的出瞳距离及佩戴角度调节，满足用户对于出瞳距离与佩戴角度的个性化调节需求，提高用户体验。
附图说明
为了更清楚地说明本发明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发明的实施例，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，还可以根据提供的附图获得其他的附图。
图1为本发明所提供的一种具体实施方式的整体结构示意图。
图2为图1的结构爆炸图。
图3为滑动模组的分解结构示意图。
图4为导向支架的具体结构示意图。
图5为滑板的具体结构示意图。
图6为弹性片与停驻槽的配合结构示意图。
图7为翻转模组的第一种具体结构示意图。
图8为翻转模组的第二种具体结构示意图。
图9为止动柱的具体结构示意图。
图10为角度调节盘的具体结构示意图。
图11为本实施例中的连接座的具体结构示意图。
图12为止动柱与止动槽之间的有级式卡接传动过程示意图。
图13为翻转模组的第三种具体结构示意图。
图14为活动调节杆的具体结构示意图。
图15为固定调节板的具体结构示意图。
图16为本实施例中的连接座的具体结构示意图。
图17为端面齿与齿形槽之间的有级式啮合传动过程示意图。
其中，图1—图17中：
中壳—1，泡棉支架—2，滑动模组—3，翻转模组—4；
安装支架—31，导向支架—32，滑板—33，导向滑轨—34，内止挡块—35，外止挡块—36，弹性片—37，停驻槽—38，止推块—39；
连接轴—41a，旋臂—42a，压紧杆—43a，旋钮—44a，环槽—411，限位槽—412，连接板—421a，抵接块—422；
连接轴—41b，旋臂—42b，角度调节盘—43b，连接座—44b，止动柱—45b，连接板—421b，止动槽—431b，接插孔—441b，止动筒—451b，复位弹簧—452b，弹性球—453b，钝端—4531，尖端—4532；
连接轴—41c，旋臂—42c，固定调节板—43c，连接座—44c，活动调节杆—45c，预紧弹簧—46，连接板—421c，齿形槽—431c，接插孔—441c，端 面齿—451c，弧形板—452c，限位筋—453c，止转槽—442。
具体实施方式
下面将结合本发明实施例中的附图，对本发明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发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参考图1、图2，图1为本发明所提供的一种具体实施方式的整体结构示意图，图2为图1的结构爆炸图。
在本发明所提供的一种具体实施方式中，调节机构主要包括中壳1、泡棉支架2、滑动模组3和翻转模组4。
其中，中壳1为设备主体的主要结构，主要用于安装和容纳其余零部件，泡棉支架2与中壳1相连，主要用于供用户进行佩戴，环绕固定在头部上。
滑动模组3设置在中壳1内，并连接在中壳1与泡棉支架2之间，且可在中壳1内进行定向移动，主要用于在其移动过程中改变中壳1(及其内安装的镜片模组)与泡棉支架2之间的水平间距，从而实现出瞳距离的调节。
翻转模组4连接在滑动模组3与泡棉支架2之间，并且翻转模组4的一端与滑动模组3转动连接，可在滑动模组3上进行定向转动，主要用于在转动过程中带动泡棉支架2进行同步转动，从而使泡棉支架2相对中壳1进行翻转运动，实现泡棉支架2的佩戴角度调节。
如此，通过滑动模组3在中壳1内的定向移动改变中壳1与泡棉支架2水平间距的方式，可实现头戴显示设备的出瞳距离调节；通过翻转模组4带动泡棉支架2围绕滑动模组3转动的方式，可实现头戴显示设备的佩戴角度调节。在需要调节出瞳距离时，用户只需拉动泡棉支架2相对中壳1进行内外定向移动即可，而在需要调节佩戴角度时，用户只需扳动泡棉支架2相对中壳1进行顺逆时针翻转即可。
综上所述，本实施例所提供的调节机构，能够实现头戴显示设备的出瞳距离及佩戴角度调节，满足用户对于出瞳距离与佩戴角度的个性化调节需求，提高用户体验。
如图3所示，图3为滑动模组3的分解结构示意图。
在关于滑动模组3的一种优选实施例中，该滑动模组3包括安装支架31、导向支架32和滑板33。其中，安装支架31设置在中壳1内，并与中壳1的内壁相连，具有沿水平方向分布的板体部分。导向支架32设置在安装支架31的表面上，滑板33设置在导向支架32的表面上，并且可在导向支架32的表面进行往复滑动运动。同时，滑板33的末端与翻转模组4相连，并且滑板33的滑动方向为中壳1与泡棉支架2的水平间距方向。如此设置，当滑板33在导向支架32上进行滑动运动时，即可通过翻转模组4带动泡棉支架2进行同步运动，进而实时改变中壳1与泡棉支架2之间的距离，实现出瞳距离调节。
一般的，为便于滑板33与翻转模组4的连接，本实施例在滑板33的末端设置有螺栓等紧固件，以与翻转模组4中的连接轴41a、连接轴41b、连接轴41c上开设的平槽部分相连，并且连接轴41a、连接轴41b、连接轴41c的轴向一般垂直于滑板33的滑动方向，同时保持水平状态。
如图4所示，图4为导向支架32的具体结构示意图。
具体的，本实施例在导向支架32的表面两侧位置均设置有导向滑轨34，以将滑板33的两侧侧边分别安装进导向滑轨34内，使得滑板33可沿着导向滑轨34的长度方向进行往复滑动，以通过导向滑轨34对滑板33的直线运动形成导向作用。一般的，导向滑板33的长度方向可沿着导向支架32的长度方向或宽度方向延伸，并且平行于出瞳距离的所在直线方向。
考虑到出瞳距离的调节范围一般处于较短的距离范围内，本实施例还在导向支架32的表面上设置有内止挡块35和外止挡块36。其中，内止挡块35主要用于与滑板33的内侧端壁形成抵接，以限制滑板33在导向滑轨34上向内(朝中壳1方向)滑动的最大距离，从而限制将出瞳距离调小的最小值。外止挡块36主要用于与滑板33的外侧端壁形成抵接，以限制滑板33在导向滑轨34上向外(朝泡棉支架2方向)滑动的最大距离，从而限制将出瞳距离调大的最大值。考虑到滑板33较宽，内止挡块35和外止挡块36可均设置2个，并且两个内止挡块35分别分布在导向支架32的表面内侧两端，而两个外止挡块36分别分布在导向支架328的表面外侧两端。
当然，还可以通过在滑板33的表面设置止推块39的方式，使得止推块39替代其端壁与内止挡块35或外止挡块36进行抵接，同样达到限制滑板33 的滑动行程以及出瞳距离的调节范围的目的。
如图5所示，图5为滑板33的具体结构示意图。
另外，为在调节出瞳距离的过程中给予用户调节距离值的手感反馈，同时便于用户根据估算的调节距离值将出瞳距离固定在目标值，本实施例中通过出瞳距离的有级式调节方式实现上述效果。具体的，本实施例在导向支架32的表面上还设置有弹性片37，同时在滑板33的底面上设置有若干个停驻槽38。
其中，弹性片37在导向支架32的表面向上凸起一定高度，而各个停驻槽38在滑板33的底面向下凸起一定距离，使得弹性片37的顶端能够卡接进各个停驻槽38中。同时，各个停驻槽38在滑板33上的排列方向平行于滑板33的滑动方向。如此设置，当滑板33在导向支架32的表面上进行定向滑动时，弹性片37的顶端将卡入某个停驻槽38中，将滑板33暂停在当前滑动位置；而当用户用力拉动泡棉支架2时，拉力传递到滑板33上，使得弹性片37的顶端受到当前停驻槽38的抵接作用力而产生弹性形变，进而脱离当前停驻槽38，将滑板33解锁，待滑板33继续运动一定距离后，弹性片37重新卡入新的停驻槽38内。
如图6所示，图6为弹性片37与停驻槽38的配合结构示意图。
进一步的，为便于弹性片37卡入停驻槽38以及脱离停驻槽38，在本实施例中，弹性片37的两端分别连接在导向支架32的表面上，同时，弹性片37的中间部位拱弯成弧形，以便在弧形结构的过渡作用下，使弹性片37顺利产生弹性形变。
如图7所示，图7为翻转模组4的第一种具体结构示意图。
在关于翻转模组4的第一种优选实施例中，该翻转模组4主要包括连接轴41a和旋臂42a。其中，连接轴41a与滑动模组3中的滑板33相连，在滑动模组3进行定向移动时，连接轴41a与其进行同步定向移动。旋臂42a的首端套设在连接轴41a上，并且可围绕连接轴41a进行旋转，同时，旋臂42a的末端与泡棉支架2相连，从而带动泡棉支架2一同围绕连接轴41a进行旋转。当泡棉支架2进行旋转运动时，相当于相对中壳1进行翻转运动，从而实现泡棉支架2在中壳1上的翻转角度调节，进而实现额头带环的佩戴角度调节。
为便于旋臂42a与连接轴41a的旋转连接，本实施例在连接轴41a上开设有环槽411，以将旋臂42a的首端套设在环槽411内，从而使得旋臂42a的首端围绕环槽411进行旋转。同时，旋臂42a的末端设置有连接板421a，以通过该连接板421a与泡棉支架2相连，比如通过螺栓等紧固件等。一般的，考虑到泡棉支架2具有一定宽度，为保证连接稳定以及旋转稳定，旋臂42a同时设置有两个，且环槽411同时开设在连接轴41a的轴向两端位置，各个旋臂42a分别套设在对应的环槽411内。
进一步的，为保证用户扳动泡棉支架2进行佩戴角度调节时，泡棉支架2能够停留在任意目标翻转位置处，本实施例中，各个环槽411的侧壁与对应的旋臂42a的表面互相紧贴，并经过表面处理形成阻尼摩擦效果。如此设置，旋臂42a与环槽411之间相当于存在一定程度的过盈效果，用户需要施加合适的力矩在泡棉支架2上，而旋臂42a在环槽411内旋转时受到阻尼效果，可随时悬停在任意旋转位置，从而将泡棉支架2任意停止在目标角度位置。
更进一步的，为便于调节环槽411与旋臂42a之间的阻尼摩擦效果，以兼顾顺滑旋转和任意停留的目的，本实施例中的环槽411的外侧壁通过压紧杆43a的头端进行取代。具体的，压紧杆43a沿轴向插设在连接轴41a的端面内，且压紧杆43a的头端内端面压紧环槽411内的旋臂42a的外表面。同时，在压紧杆43a的头端端面上还设置有旋钮44a，以通过该旋钮44a旋紧或旋松压紧杆43a与连接轴41a的连接程度，进而调节压紧杆43a对旋臂42a外表面的预紧力和压紧程度，即调节环槽411与旋臂42a之间的阻尼摩擦效果。
此外，为将泡棉支架2的翻转角度调节范围限制在一个合理范围内，本实施例在环槽411的内侧壁面上还开设有限位槽412，同时在旋臂42a的内侧表面上设置有抵接块422。具体的，当旋臂42a的首端套设在环套内时，抵接块422也同时置入限位槽412内，并且随着旋臂42a的旋转而在限位槽412内同步旋转。同时，该限位槽412在连接轴41a上的分布方向为周向，并且具有预设的圆心角范围，从而在抵接块422与限位槽412的两侧槽壁抵接时，限制旋臂42a在环槽411内的双向旋转角度范围，进而限制泡棉支架2的翻转角度范围。
如图8所示，图8为翻转模组4的第二种具体结构示意图。
在关于翻转模组4的第二种优选实施例中，该翻转模组4主要包括连接轴41b、旋臂42b、角度调节盘43b、连接座44b和止动柱45b。其中，连接轴41b与滑动模组3中的滑板33相连，在滑动模组3进行定向移动时，连接轴41b与其进行同步定向移动。旋臂42b的首端套设在连接轴41b上，并且可围绕连接轴41b进行旋转，同时，旋臂42b的末端与泡棉支架2相连，从而带动泡棉支架2一同围绕连接轴41b进行旋转。当泡棉支架2进行旋转运动时，相当于相对中壳1进行翻转运动，从而实现泡棉支架2在中壳1上的翻转角度调节，进而实现额头带环的佩戴角度调节。
角度调节盘43b设置在连接轴41b上，一般立设在连接轴41b的周向表面上，并且沿连接轴41b的径向平面延伸，主要用于实现泡棉支架2的有级式翻转调节。连接座44b的一端连接在泡棉支架2上，另一端(末端)延伸至角度调节盘43b处，与角度调节盘43b的表面相对。止动柱45b设置在连接座44b的末端表面上，使得止动柱45b的末端靠近角度调节盘43b，并带动止动柱45b与泡棉支架2进行同步转动。
如图10所示，图10为角度调节盘43b的具体结构示意图。
在角度调节盘43b的表面上开设有若干个用于与止动柱45b配合的止动槽431b，可通过止动槽431b将止动柱45b的末端固锁在当前转动位置处。同时，各个止动槽431b在角度调节盘43b上的分布形式与止动柱45b随着泡棉支架2的翻转而同步进行的转动运动的轨迹相对应。止动柱45b的末端具有弹性，可通过弹性形变卡入止动槽431b内保持固锁，也可以通过弹性形变从止动槽431b内脱离。
如此，当用户扳动泡棉支架2时，泡棉支架2产生翻转，进而带动止动柱45b进行同步转动；在此过程中，止动柱45b的末端受到来自止动槽431b侧壁的抵接作用力而产生弹性形变，进而使止动柱45b的末端从当前卡入的止动槽431b内脱离，然后随着泡棉支架2进行小幅度的同步转动，最后止动柱45b的末端在弹性反力的作用下恢复原样，并卡入另一个止动槽431b，重新进入固锁状态。
如图11所示，图11为本实施例中的连接座44b的具体结构示意图。
为便于止动柱45b在连接座44b上的拆装维护，在本实施例中，止动柱 45b与连接座44b之间为可拆卸连接。具体的，连接座44b立设在泡棉支架2的外侧壁表面，并凸出泡棉支架2的表面一定高度，同时在连接座44b的末端表面上开设有接插孔441b，而止动柱45b的首端插设在该接插孔441b内，通常可通过螺栓等紧固件在接插孔441b内固定止动柱45b，或者通过电磁铁的铁芯吸引止动柱45b首端的方式实现可拆卸连接。当然，止动柱45b的首端也可以直接固定在接插孔441b内。
为保证连接稳定、转动平衡，旋臂42b一般同时设置有两个，且其首端分别通过连接板421b连接在泡棉支架2的左右两侧位置。同时，各旋臂42b的末端套设在连接轴41b的两端端部位置。为防止旋臂42b的末端沿轴向脱出连接轴41b，在连接轴41b的端部端面上还开设有紧固孔，以通过紧固件与紧固孔的配合抵住旋臂42b，同时不妨碍其正常转动。
如图9所示，图9为止动柱45b的具体结构示意图。
在关于止动柱45b的一种优选实施例中，该止动柱45b主要包括止动筒451b、复位弹簧452b和弹性球453b。其中，止动筒451b整体插设在连接座44b上的接插孔441b中，复位弹簧452b设置在止动筒451b内，其弹力方向为止动筒451b的轴向。弹性球453b填塞在止动筒451b的筒口处，并向外凸出一定距离，同时复位弹簧452b的一端与弹性球453b的内侧相连，而复位弹簧452b的另一端与止动筒451b的筒底面相连。
对于弹性球453b，该弹性球453b的实际形状并非理想球体，而是更接近于椭球体，主要包括两部分，即钝端4531和尖端4532。其中，钝端4531的半径更大，并整体卡入止动筒451b的筒口内，无法被复位弹簧452b的弹力推出筒口，但可在止动筒451b内进行滑动，保证弹性球453b在筒口处的卡接锁定；尖端4532的半径更小，整体凸出在止动筒451b的筒口外，可较容易地产生弹性形变，主要用于通过弹性形变卡入角度调节盘43b上的止动槽431b，将弹性球453b固锁在对应的止动槽431b内，同时也可以通过弹性形变从当前止动槽431b内脱离，再重新卡入另一个止动槽431b内。
如图12所示，图12为止动柱45b与止动槽431b之间的有级式卡接传动过程示意图。
如此设置，在平常状态(未调节佩戴角度)下，复位弹簧452b的两端在弹性球453b的钝端4531与止动筒451b的筒底面之间保持压缩状态，并利用 弹力将弹性球453b的尖端4532通过弹性形变卡入止动槽431b内，使得止动柱45b与止动槽431b保持固锁状态。
在调节佩戴角度时，用户扳动泡棉支架2，使得泡棉支架2产生翻转，进而带动止动柱45b产生同步转动，止动球的尖端4532与止动槽431b的接触面之间产生倾斜的抵接作用力，利用该抵接作用力的轴向分力克服复位弹簧452b的弹力，使得弹性球453b深入止动筒451b内并使弹性球453b的尖端4532脱离当前止动槽431b，再利用抵接作用力的周向分力带动弹性球453b的尖端4532进行小幅角度的转动运动，达到新的止动槽431b处，最后在复位弹簧452b的弹力作用下将弹性球453b重新压紧，尖端4532与止动槽431b保持啮合，完成泡棉支架2的有级式翻转角度调节。
为便于弹性球453b的周向转动，止动槽431b的形状具体呈弧形。
如图13所示，图13为翻转模组4的第三种具体结构示意图。
在关于翻转模组4的第三种优选实施例中，在关于翻转模组4的第三种优选实施例中，该翻转模组4主要包括连接轴41c、旋臂42c、固定调节板43c、连接座44c和活动调节杆45c。其中，连接轴41c与滑动模组3中的滑板33相连，在滑动模组3进行定向移动时，连接轴41c与其进行同步定向移动。旋臂42c的首端套设在连接轴41c上，并且可围绕连接轴41c进行旋转，同时，旋臂42c的末端与泡棉支架2相连，从而带动泡棉支架2一同围绕连接轴41c进行旋转。当泡棉支架2进行旋转运动时，相当于相对中壳1进行翻转运动，从而实现泡棉支架2在中壳1上的翻转角度调节，进而实现额头带环的佩戴角度调节。
固定调节板43c设置在连接轴41c上，一般立设在连接轴41c的周向表面上，并且沿连接轴41c的径向平面延伸，主要用于实现泡棉支架2的有级式翻转调节。连接座44c的一端连接在泡棉支架2上，另一端(末端)延伸至固定调节板43c处，与固定调节板43c的表面相对，主要用于安装活动调节杆45c，使得活动调节杆45c的末端靠近固定调节板43c，并带动活动调节杆45c与泡棉支架2进行同步翻转。
活动调节杆45c插设在连接座44c上，并且可在连接座44c上进行轴向伸缩运动。在活动调节杆45c的末端端面上设置有若干个端面齿451c，可随着活动调节杆45c的轴向伸缩运动而同步轴向往复移动，并且各个端面齿 451c在活动调节杆45c的末端端面上的分布形式与活动调节杆45c的翻转运动轨迹对应。
如图15所示，图15为固定调节板43c的具体结构示意图。
相应的，在固定调节板43c的表面开设有若干个用于与各端面齿451c形成啮合的齿形槽431c，以使各个端面齿451c在活动调节杆45c的轴向伸缩过程中，脱离当前啮合的齿形槽431c，再随着活动调节杆45c的翻转运动而转动至与另一个对应的齿形槽431c重新形成啮合。显然，齿形槽431c在固定调节板43c的表面上的分布形式，与端面齿451c在活动调节杆45c的末端端面上的分布形式相同。
为便于活动调节杆45c在进行轴向伸缩运动时，能够顺利地将端面齿451c从齿形槽431c中脱出以及将端面齿451c正常啮合到齿形槽431c中，在本实施例中，活动调节杆45c的伸缩方向垂直于固定调节板43c的表面，即活动调节杆45c与固定调节板43c呈垂直关系。相应的，连接座44c的首端连接在泡棉支架2上，而其末端则一直延伸到固定调节板43c的一侧表面方位，并且连接座44c的末端表面与固定调节板43c的表面保持一定间距，以便安装活动调节杆45c和供活动调节杆45c进行轴向伸缩运动。
为保证连接稳定、转动平衡，旋臂42c一般同时设置有两个，且其首端分别通过连接板421c连接在泡棉支架2的左右两侧位置。同时，各旋臂42c的末端套设在连接轴41c的两端端部位置。为防止旋臂42c的末端沿轴向脱出连接轴41c，在连接轴41c的端部端面上还开设有紧固孔，以通过紧固件与紧固孔的配合抵住旋臂42c，同时不妨碍其正常转动。
如图14所示，图14为活动调节杆45c的具体结构示意图。
在关于活动调节杆45c的一种优选实施例中，为便于端面齿451c的设计，本实施例在活动调节杆45c的末端连接有弧形板452c，并且将各个端面齿451c分布在该弧形板452c的表面上。具体的，由于各个端面齿451c的分布形式与其随活动调节杆45c转动的转动轨迹对应，因此，该弧形板452c的弧形结构也与活动调节杆45c的转动轨迹对应，相当于一个完整齿轮的部分扇形区域。
如图16所示，图16为本实施例中的连接座44c的具体结构示意图。
为便于连接座44c与活动调节杆45c之间的连接，在本实施例中，连接 座44c具体立设在泡棉支架2的外侧壁表面，并凸出泡棉支架2的表面一定高度，同时，连接座44c的末端延伸至连接轴41c上的固定调节板43c表面一侧位置。
进一步的，在连接座44c的末端表面开设有接插孔441c，活动调节杆45c的首端可插设进该接插孔441c内，并在接插孔441c内进行伸缩运动。同时，在活动调节杆45c上套设有预紧弹簧46，该预紧弹簧46插设在接插孔441c内，其一端与接插孔441c的内壁抵接，其另一端与弧形板452c的表面抵接。
如图17所示，图17为端面齿451c与齿形槽431c之间的有级式啮合传动过程示意图。
如此设置，在平常状态(未调节佩戴角度)下，预紧弹簧46的两端在弧形板452c与接插孔441c之间保持压缩状态，并利用弹力将弧形板452c上的端面齿451c压进对应的齿形槽431c中，使得端面齿451c与齿形槽431c保持啮合状态。
在调节佩戴角度时，用户扳动泡棉支架2，使得泡棉支架2产生翻转，进而带动活动调节杆45c产生同步转动，端面齿451c与齿形槽431c的接触面之间产生倾斜的抵接作用力，利用该抵接作用力的轴向分力克服预紧弹簧46的弹力，使得活动调节杆45c深入接插孔441c并使端面齿451c脱离当前齿形槽431c，再利用抵接作用力的周向分力带动端面齿451c进行小幅角度的转动运动，达到新的齿形槽431c处，最后在预紧弹簧46的弹力作用下将端面齿451c重新压紧，与新的齿形槽431c保持啮合，完成泡棉支架2的有级式翻转角度调节。
一般的，为便于端面齿451c的周向转动，端面齿451c与齿形槽431c的形状均呈弧形。
为提高活动调节杆45c与泡棉支架2之间的运动同步性，本实施例在活动调节杆45c的周向表面上设置有若干根限位筋453c，同时在连接座44c的接插孔441c的径向上开设有若干个止转槽442。当活动调节杆45c插设进接插孔441c内时，各根限位筋453c同时插设进各个止转槽442内，利用止转槽442对限位筋453c的周向限位作用，防止活动调节杆45c在接插孔441c内进行周向旋转运动，仅允许活动调节杆45c进行轴向伸缩运动。
本实施例还提供一种头戴显示设备，主要包括调节机构，其中，该机构 的具体内容与上述相关内容相同，此处不再赘述。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (19)

  1. 一种调节机构，包括中壳(1)、泡棉支架(2)，其特征在于，还包括可移动地设置于所述中壳(1)内并与所述泡棉支架(2)相连、用于调节所述中壳(1)与所述泡棉支架(2)的水平间距的滑动模组(3)，以及可旋转地设置于所述滑动模组(3)上并与所述泡棉支架(2)相连、用于带动所述泡棉支架(2)相对所述中壳(1)进行翻转的翻转模组(4)。
  2. 根据权利要求1所述的调节机构，其特征在于，所述滑动模组(3)包括与所述中壳(1)的内壁相连的安装支架(31)、设置于所述安装支架(31)表面的导向支架(32)、可滑动地设置于所述导向支架(32)上的滑板(33)，所述滑板(3)与所述翻转模组(4)相连。
  3. 根据权利要求2所述的调节机构，其特征在于，所述导向支架(32)的表面两侧均设置有沿其长度方向延伸、用于与所述滑板(33)的两侧边配合滑动的导向滑轨(34)。
  4. 根据权利要求2所述的调节机构，其特征在于，所述导向支架(32)的表面设置有用于与所述滑板(33)的内侧端壁抵接以限制其向内滑动的最大距离的内止挡块(35)、以及与所述滑板(33)的外侧端壁抵接以限制其向外滑动的最大距离的外止挡块(36)。
  5. 根据权利要求2所述的调节机构，其特征在于，所述导向支架(32)的表面还设置有向上凸起的弹性片(37)，所述滑板(33)的底面设置有向下凸起、用于与所述弹性片(37)的顶端卡接的若干级停驻槽(38)，且各级所述停驻槽(38)的排列方向平行于所述滑板(33)的滑动方向。
  6. 根据权利要求5所述的调节机构，其特征在于，所述弹性片(37)的两端分别连接在所述导向支架(32)的表面，且所述弹性片(37)的中部拱曲成弧形。
  7. 根据权利要求1-6任一项所述的调节机构，其特征在于，所述翻转模组(4)包括与所述滑动模组(3)的末端相连的连接轴(41a)、可旋转地套设于所述连接轴(41a)上的旋臂(42a)，所述旋臂(42a)的末端与所述泡棉支架(2)相连。
  8. 根据权利要求7所述的调节机构，其特征在于，所述连接轴(41a)的两端均开设有环槽(411)，所述旋臂(42a)分别套设于所述环槽(411) 内，且所述环槽(411)的侧壁与所述旋臂(42a)的表面紧贴以形成阻尼摩擦。
  9. 根据权利要求8所述的调节机构，其特征在于，所述环槽(411)的外侧壁为插设于所述连接轴(41a)的端面内的压紧杆(43a)的头端，且所述压紧杆(43a)的头端端面上设置有用于调节其预紧力的旋钮(44a)。
  10. 根据权利要求8所述的调节机构，其特征在于，所述环槽(411)的内侧壁面上开设有沿周向延伸的限位槽(412)，且所述旋臂(42a)的内侧表面上设置有用于与所述限位槽(412)的两端槽壁抵接以限制其旋转角度范围的抵接块(422)。
  11. 根据权利要求1-6任一项所述的调节机构，其特征在于，所述翻转模组(4)包括与所述滑动模组(3)的末端相连的连接轴(41b)、可旋转地套设于所述连接轴(41b)上并与所述泡棉支架(2)相连的旋臂(42b)、设置于所述连接轴(41b)上的角度调节盘(43b)、连接在所述泡棉支架(2)上并延伸至所述角度调节盘(43b)处的连接座(44b)、设置于所述连接座(44b)表面的止动柱(45b)，所述角度调节盘(43b)的表面开设有若干个用于与所述止动柱(45b)配合以将其固锁在当前转动位置的止动槽(431b)。
  12. 根据权利要求11所述的调节机构，其特征在于，所述角度调节盘(43b)立设于所述连接轴(41b)的周向表面，所述止动柱(45b)垂直于所述角度调节盘(43b)的表面，所述连接座(44b)的表面开设有接插孔(441b)，且所述止动柱(45b)的首端可拆卸地插设于所述接插孔(441b)内。
  13. 根据权利要求12所述的调节机构，其特征在于，所述止动柱(45b)包括插设于所述接插孔(441b)中的止动筒(451b)、沿轴向连接于所述止动筒(451b)内的复位弹簧(452b)、填塞于所述止动筒(451b)的筒口处并向外凸出的弹性球(453b)，所述复位弹簧(452b)的端部与所述弹性球(453b)相连。
  14. 根据权利要求13所述的调节机构，其特征在于，所述弹性球(453b)包括连为一体的钝端(4531)与尖端(4532)，且所述钝端(4531)卡接于所述止动筒(451b)的筒口处，所述尖端(4532)外伸出所述止动筒(451b)的筒口并与所述止动槽(431b)配合。
  15. 根据权利要求1-6任一项所述的调节机构，其特征在于，所述翻转 模组(4)包括与所述滑动模组(3)的末端相连的连接轴(41c)、可旋转地套设于所述连接轴(41c)上并与所述泡棉支架(2)相连的旋臂(42c)、设置于所述连接轴(41)上的固定调节板(43c)、连接在所述泡棉支架(2)上并延伸至所述固定调节板(43c)处的连接座(44c)、可轴向伸缩地插设于所述连接座(44c)上的活动调节杆(45c)，所述活动调节杆(45c)的末端端面设置有若干个沿其翻转轨迹分布的端面齿(451c)，所述固定调节板(43c)的表面开设有若干个用于与各所述端面齿(451c)啮合的齿形槽(431c)。
  16. 根据权利要求15所述的调节机构，其特征在于，所述固定调节板(43c)立设于所述连接轴(41c)的周向表面，所述活动调节杆(45c)的伸缩方向垂直于所述固定调节板(43c)的表面，所述活动调节杆(45c)的末端连接有弧形板(452c)，且各所述端面齿(451c)均分布于所述弧形板(452c)的表面。
  17. 根据权利要求15所述的调节机构，其特征在于，所述连接座(44c)的表面开设有接插孔(441c)，所述活动调节杆(45c)的首端可伸缩地插设于所述接插孔(441c)内，且所述活动调节杆(45c)上套设有用于通过弹力使其末端压紧所述固定调节板(43c)的预紧弹簧(46)。
  18. 根据权利要求17所述的调节机构，其特征在于，所述活动调节杆(45c)的周向表面上设置有若干根限位筋(453c)，且所述接插孔(441c)的径向上开设有若干个用于与各所述限位筋(453c)配合滑动以限制所述活动调节杆(45c)的旋转自由度的止转槽(442)。
  19. 一种头戴显示设备，其特征在于，包括如权利要求1-18任一项所述的调节机构。
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