Headband device

Abstract

This invention discloses a headband device, including a first knob, a first transmission mechanism, a longitudinal headband adjustment mechanism, and a longitudinal headband. The first knob rotates about a first axis. The first transmission mechanism is connected to the first knob, wherein the first transmission mechanism is driven by the first knob to rotate about a second axis, the first axis being perpendicular to the second axis. The longitudinal headband adjustment mechanism is adapted to be connected to the first transmission mechanism, wherein the longitudinal headband adjustment mechanism is driven by the first transmission mechanism to rotate about the second axis. The longitudinal headband is connected to the longitudinal headband adjustment mechanism, wherein the longitudinal headband is adapted to be driven by the longitudinal headband adjustment mechanism to adjust its tightness.

Description

Technical Field

[0001] This invention relates to a headband device, and more particularly to a headband device for a head-mounted display. Background Technology

[0002] Existing head-mounted devices typically feature a horizontal headband, allowing users to adjust its tightness for comfort. However, as the weight of head-mounted devices increases, such as head-mounted displays, the horizontal headband alone is insufficient to support its weight, necessitating the use of a vertical headband to distribute the weight. In existing technologies, since users often cannot see while wearing the head-mounted device, a structure is needed that allows users to easily adjust or assemble the horizontal and vertical headbands. Summary of the Invention

[0003] An embodiment of the present invention provides a headband device to address the problems of the prior art, comprising a first knob, a first transmission mechanism, a longitudinal headband adjustment mechanism, and a longitudinal headband. The first knob rotates about a first axis. The first transmission mechanism is connected to the first knob, wherein the first transmission mechanism is driven by the first knob to rotate about a second axis, the first axis being perpendicular to the second axis. The longitudinal headband adjustment mechanism is adapted to be connected to the first transmission mechanism, wherein the longitudinal headband adjustment mechanism is driven by the first transmission mechanism to rotate about the second axis. The longitudinal headband is connected to the longitudinal headband adjustment mechanism, wherein the longitudinal headband is adapted to be adjusted for tightness by the longitudinal headband adjustment mechanism.

[0004] In another embodiment, a headband device includes a longitudinal headband and a magnetic element disposed on the longitudinal headband, such that the longitudinal headband is detachably connected to a transverse headband via the magnetic element.

[0005] In embodiments of the present invention, the user can simultaneously rotate the first knob and the second knob in a synchronous state to easily adjust the tightness of the horizontal and vertical headbands, thus simplifying the tightness adjustment process. Furthermore, the user can also switch the headband device from the synchronous state to the asynchronous state by simply pressing the second knob, allowing for individual tightness adjustments of the horizontal and vertical headbands. Moreover, the horizontal and vertical headbands can be quickly assembled using magnetic components. Attached Figure Description

[0006] Figure 1A This is a schematic diagram of the headband device in a synchronized state according to an embodiment of the present invention;

[0007] Figure 1B This is a schematic diagram of the headband device in an asynchronous state according to an embodiment of the present invention;

[0008] Figure 2This is a schematic diagram illustrating the assembly of the longitudinal headband and the longitudinal headband adjustment mechanism according to an embodiment of the present invention;

[0009] Figure 3 This is an exploded view of the headband device according to an embodiment of the present invention;

[0010] Figure 4A This is a schematic diagram showing the first fitting member in the first fitting member position in the detailed structure of the longitudinal headband and the longitudinal headband adjustment mechanism according to an embodiment of the present invention;

[0011] Figure 4B This is a schematic diagram showing the first fitting member in the position of the second fitting member in the detailed structure of the longitudinal headband and the longitudinal headband adjustment mechanism according to an embodiment of the present invention;

[0012] Figure 5A This is a cross-sectional view of a headband device according to an embodiment of the present invention, wherein the headband device is in a synchronized state;

[0013] Figure 5B This is a cross-sectional view of a headband device according to an embodiment of the present invention, wherein the headband device is in an asynchronous state;

[0014] Figure 6A , Figure 6B as well as Figure 6C This is a schematic diagram of the detailed structure of the bent groove according to an embodiment of the present invention;

[0015] Figure 7A This is a schematic diagram illustrating the deformation of the first rack according to an embodiment of the present invention;

[0016] Figure 7B This is a schematic diagram illustrating the deformation of the second rack according to an embodiment of the present invention;

[0017] Figure 8 This is another cross-sectional view of the headband device according to an embodiment of the present invention.

[0018] Symbol Explanation

[0019] D: Headband device

[0020] 1: First transmission mechanism

[0021] 11: First Gear

[0022] 12: First fitting

[0023] 2: Longitudinal headband adjustment mechanism

[0024] 21: Second Gear

[0025] 22: Second fitting

[0026] 23: Magnet

[0027] 3: Lateral headband adjustment mechanism

[0028] 31: Drive shaft

[0029] 32: Ratchet

[0030] 321: Third Gear

[0031] 71: First knob

[0032] 711: Knob Gear

[0033] 712: Bending Groove

[0034] 713: Stop groove

[0035] 71A: Entrance Section

[0036] 71B: First guiding section

[0037] 71C: Stop Point

[0038] 71D: Second guiding segment

[0039] 71E: Exit Section

[0040] 72: Second knob

[0041] 73: Rotating plate

[0042] 732: Rotating disk protrusion

[0043] 74: Spring

[0044] 81: Vertical headband

[0045] 811: First rack

[0046] 82: Horizontal headband

[0047] 821: Second rack

[0048] 91: Device housing

[0049] 912: Magnetic suction part of the housing

[0050] 913: Elastic Arm

[0051] 92: Adjust the outer casing of the mechanism

[0052] 921: Longitudinal headband limiting groove

[0053] 922: Magnetic part of the outer cover

[0054] X: First axis

[0055] Z: Second axis Detailed Implementation

[0056] Figure 1AThis invention illustrates a headband device according to an embodiment of the invention, wherein the headband device is in a synchronized state. Figure 1B This invention illustrates a headband device according to an embodiment of the invention, wherein the headband device is in an asynchronous state. Figure 2 This illustrates the assembly of the longitudinal headband and the longitudinal headband adjustment mechanism according to an embodiment of the present invention. (See attached reference.) Figure 1A , Figure 1B as well as Figure 2 The headband device D of this embodiment includes a first knob 71, a first transmission mechanism 1, a longitudinal headband adjustment mechanism 2, and a longitudinal headband 81. The first knob 71 rotates about a first axis X. The first transmission mechanism 1 is connected to the first knob 71, wherein the first transmission mechanism 1 is driven by the first knob 71 to rotate about a second axis Z, and the first axis X is perpendicular to the second axis Z. The longitudinal headband adjustment mechanism 2 is adapted to be connected to the first transmission mechanism 1, wherein the longitudinal headband adjustment mechanism 2 is driven by the first transmission mechanism 1 to rotate about the second axis Z. The longitudinal headband 81 is connected to the longitudinal headband adjustment mechanism 2, wherein the longitudinal headband 81 is adapted to be driven by the longitudinal headband adjustment mechanism 2 to adjust its tightness.

[0057] Figure 3 An exploded view of the headband device according to an embodiment of the present invention is shown. Figure 4A This illustration shows the detailed structure of the longitudinal headband and longitudinal headband adjustment mechanism according to an embodiment of the present invention, wherein the first fitting member is in the first fitting member position. (See reference) Figure 3 , Figure 4A In one embodiment, the first transmission mechanism 1 includes a first gear 11 and a first fitting member 12. The first knob 71 includes a knob gear 711, which meshes with the first gear 11. The knob gear 711 rotates the first gear 11, and the first gear 11 rotates the first fitting member 12.

[0058] Reference Figure 4A In one embodiment, both the first gear 11 and the first fitting member 12 rotate about the second axis Z.

[0059] Matching reference Figure 3 , Figure 4A In one embodiment, the longitudinal headband 81 includes a first rack 811, and the longitudinal headband adjustment mechanism 2 includes a second gear 21 and a second fitting member 22. The second fitting member 22 is adapted to engage with the first fitting member 12 and to rotate the second gear 21, which meshes with the first rack 811. In this embodiment, the second gear 21 and the second fitting member 22 are integrally formed.

[0060] Reference Figure 4AIn one embodiment, both the second gear 21 and the second fitting member 22 rotate about the second axis Z.

[0061] Figure 4B This illustration shows the detailed structure of the longitudinal headband and longitudinal headband adjustment mechanism according to an embodiment of the present invention, wherein the first fitting member is positioned at the second fitting member position. (See reference numerals) Figure 4A as well as Figure 4B In one embodiment, the first fitting member 12 is a fitting protrusion, the second fitting member 22 is a fitting groove, the first fitting member 12 is adapted to be inserted into the second fitting member 22, and the first fitting member 12 is at a first fitting member position ( Figure 4A ) and the position of a second fitting ( Figure 4B The first fitting 12 moves between the two positions. Figure 4A The first fitting 12 engages with the second fitting 22. When the first fitting 12 is in the position of the second fitting ( Figure 4B The first fitting 12 disengages from the second fitting 22.

[0062] Matching reference Figure 2 , Figure 4A as well as Figure 4B In one embodiment, the headband device further includes a housing 91. When the first fitting member 12 is in the first fitting member position, the first fitting member 12 protrudes outside the housing 91. When the first fitting member 12 is in the second fitting member position, the first fitting member 12 is located inside the housing 91. The first fitting member 12 or the second fitting member 22 is magnetic. In this embodiment, the longitudinal headband adjustment mechanism 2 further includes a magnet 23 (magnetic element) disposed in the second fitting member 22 to magnetically attract the first fitting member 12. In other words, when the second fitting member 22 approaches the first fitting member 12, the first fitting member 12 is magnetically attracted and moves from the second fitting member position to the first fitting member position, and engages with the second fitting member 22.

[0063] Matching reference Figure 2 , Figure 3 , Figure 4A as well as Figure 4B In one embodiment, the headband device further includes an adjustment mechanism cover 92, the longitudinal headband adjustment mechanism 2 is located within the adjustment mechanism cover 92, and a longitudinal headband limiting groove 921 is formed within the adjustment mechanism cover 92. Figure 3 The longitudinal headband 81 is at least partially constrained by the longitudinal headband limiting groove 921.

[0064] Reference Figure 2In one embodiment, the device housing 91 includes a housing magnetic part 912, and the adjustment mechanism cover 92 includes an outer cover magnetic part 922. The housing magnetic part 912 is adapted to be connected to the outer cover magnetic part 922 by magnetic attraction.

[0065] Matching reference Figure 1A , Figure 1B as well as Figure 3 In one embodiment, the headband device further includes a second knob 72, a lateral headband adjustment mechanism 3, and two lateral headbands 82. The lateral headband adjustment mechanism 3 is connected to the second knob 72. The lateral headbands 82 are connected to the lateral headband adjustment mechanism 3, wherein the lateral headbands 82 are adapted to be adjusted for tightness by being driven by the lateral headband adjustment mechanism 3.

[0066] Matching reference Figure 1A , Figure 1B as well as Figure 3 In one embodiment, the second knob 72 rotates about the first axis. In a synchronized state ( Figure 1A The second knob 72 is linked to the first knob 71. In an asynchronous state ( Figure 1B The second knob 72 and the first knob 71 rotate respectively.

[0067] Figure 5A This shows a cross-sectional view of a headband device according to an embodiment of the present invention, wherein the headband device is in a synchronized state. Figure 5B This shows a cross-sectional view of a headband device according to an embodiment of the present invention, wherein the headband device is in an asynchronous state. (See accompanying reference.) Figure 3 , Figure 5A as well as Figure 5B In one embodiment, the headband device further includes a rotating disk 73 and a spring 74. The rotating disk 73 is fixed to the second knob 72, and the spring 74 is disposed between the rotating disk 73 and the first knob 71. In this synchronized state ( Figure 5A The rotating disk 73 engages with the first knob 71. In this asynchronous state ( Figure 5B The rotating disk 73 disengages from the first knob 71.

[0068] Figure 6A , Figure 6B as well as Figure 6C This illustrates the detailed structure of the bent groove in this embodiment. (See accompanying reference.) Figure 5A , Figure 5B , Figure 6A , Figure 6B as well as Figure 6CIn one embodiment, the first knob 71 includes a bending groove 712, and the rotating disk 73 includes a rotating disk protrusion 732. In the synchronized state, the rotating disk protrusion 732 remains within the bending groove 712.

[0069] Matching reference Figure 6A , Figure 6B as well as Figure 6C In one embodiment, the bend groove 712 includes an inlet section 71A, a first guide section 71B, a stopping point 71C, a second guide section 71D, and an outlet section 71E. The stopping point 71C is located between the first guide section 71B and the second guide section 71D. When the headband device is to be switched from the asynchronous state to the synchronous state, the user presses the second knob 72. The rotating disc protrusion 732 enters the bend groove 712 from the inlet section 71A, passes through the first guide section 71B, and reaches the stopping point 71C. Figure 6A In this synchronized state, the rotating disk protrusion 732 remains at the stopping point 71C. Figure 6B When the user wishes to switch the headband device from the synchronous state to the asynchronous state, the user presses the second knob 72 again. The rotating disc protrusion 732 passes through the second guide section 71D and the outlet section 71E and leaves the bending groove 712. Figure 6C During this process, the spring 74 provides elastic force to disengage the rotating disk protrusion 732 from the bending groove 712.

[0070] Matching reference Figure 3 , Figure 5A as well as Figure 5B In one embodiment, the lateral headband adjustment mechanism 3 includes a drive shaft 31 and a ratchet 32. Each lateral headband 82 includes a second rack 821. The drive shaft 31 is connected to the second knob 72. The ratchet 32 ​​is connected to the drive shaft 31. The ratchet 32 ​​includes a third gear (not shown). The second rack 821 meshes with the third gear.

[0071] Figure 7A This shows the deformation of the first rack according to an embodiment of the present invention. Figure 7B This illustrates the deformation of the second rack according to an embodiment of the present invention. (Refer to...) Figure 7A When the longitudinal headband 81 is tightened to its limit, while the second gear 21 continues to rotate, the first rack 811 will deform, and the longitudinal headband 81 will not continue to tighten. Therefore, in a synchronized state, the transverse headband 82 can continue to tighten without further tightening the longitudinal headband 81. Similarly, refer to... Figure 7BWhen the transverse headband 82 is tightened to its limit, while the third gear 321 continues to rotate, the second rack 821 will deform, and the transverse headband 82 will not continue to tighten. Thus, in a synchronized state, the longitudinal headband 81 can continue to tighten without further tightening the transverse headband 82.

[0072] Figure 8 Another cross-sectional view of the headband device according to an embodiment of the present invention is shown. (Refer to...) Figure 8 In one embodiment, the device housing 91 further includes at least one spring arm 913. The first knob 71 also includes a plurality of stop grooves 713. The spring arm 913 is adapted to engage with one of the stop grooves 713. This prevents the first knob 71 from rotating back during rotation.

[0073] In embodiments of the present invention, the user can simultaneously rotate the first knob and the second knob in a synchronous state to easily adjust the tightness of the horizontal and vertical headbands, thus simplifying the tightness adjustment process. Furthermore, the user can also switch the headband device from the synchronous state to the asynchronous state by simply pressing the second knob, allowing for individual adjustment of the tightness of the horizontal and vertical headbands.

[0074] Alternatively, magnetic connections can be used to quickly assemble horizontal and vertical headbands.

[0075] Although the present invention has been disclosed in conjunction with the above preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims

1. A headgear apparatus comprising: a first knob rotatable about a first axis; a second knob; a first transmission mechanism connected to the first knob, wherein the first transmission mechanism is rotatable about a second axis by the first knob, the first axis being perpendicular to the second axis; a longitudinal headgear adjustment mechanism adapted to be connected to the first transmission mechanism, wherein the longitudinal headgear adjustment mechanism is rotatable about the second axis by the first transmission mechanism a lateral headgear adjustment mechanism connected to the second knob; a lateral headgear connected to the lateral headgear adjustment mechanism; and a longitudinal headgear connected to the longitudinal headgear adjustment mechanism, wherein at least one of the lateral headgear and the longitudinal headgear is adapted to be adjusted in tightness by the corresponding headgear adjustment mechanism.

2. The headgear assembly of Claim 1 wherein, The first transmission mechanism comprises a first gear and a first interfitting member, the first knob comprises a knob gear, the knob gear engages the first gear, the knob gear rotates the first gear, the first gear rotates the first interfitting member.

3. The headgear assembly of Claim 2, wherein, The first gear and the first interfitting member are rotatable about the second axis.

4. The headgear assembly of Claim 2 wherein, The longitudinal headgear comprises a first rack, the longitudinal headgear adjustment mechanism comprises a second gear and a second interfitting member, the second interfitting member is adapted to interfit the first interfitting member, the second interfitting member is adapted to rotate the second gear, the second gear engages the first rack.

5. The headgear assembly of Claim 4, wherein, The second gear and the second interfitting member are rotatable about the second axis.

6. The headgear assembly of Claim 4 wherein, The first interfitting member comprises an interfitting protrusion, the second interfitting member comprises an interfitting slot, the first interfitting member is adapted to be inserted into the second interfitting member, the first interfitting member is movable between a first interfitting member position and a second interfitting member position, the first interfitting member engages the second interfitting member when the first interfitting member is in the first interfitting member position, the first interfitting member disengages the second interfitting member when the first interfitting member is in the second interfitting member position.

7. The headgear apparatus of claim 6, further comprising an apparatus housing, the first interfitting member protrudes out of the apparatus housing when the first interfitting member is in the first interfitting member position, the first interfitting member is located within the apparatus housing when the first interfitting member is in the second interfitting member position, the first interfitting member or the second interfitting member has magnetic property.

8. The headgear apparatus of claim 7, further comprising an adjustment mechanism cover, the longitudinal headgear adjustment mechanism is located within the adjustment mechanism cover, the adjustment mechanism cover has a longitudinal headgear limiting slot formed therein, the longitudinal headgear is at least partially constrained by the longitudinal headgear limiting slot.

9. The headgear arrangement of Claim 8, wherein, The apparatus housing comprises a housing magnetic attraction portion, the adjustment mechanism cover comprises a cover magnetic attraction portion, the housing magnetic attraction portion is adapted to be connected to the cover magnetic attraction portion by magnetic attraction.

10. The headgear assembly of Claim 1, further comprising: The lateral headgear is two, each connected to the lateral headgear adjustment mechanism, wherein the two lateral headgears are adapted to be adjusted in tightness by the lateral headgear adjustment mechanism.

11. The headgear assembly of Claim 10, wherein, The second knob is rotatable about the first axis, in a synchronous state, the second knob is connected to the first knob, in a non-synchronous state, the second knob and the first knob are rotatable independently.

12. The headgear assembly of claim 11, further comprising a rotating disk fixedly attached to the second knob and a spring disposed between the rotating disk and the first knob, the rotating disk engaging the first knob in the synchronized state and disengaging the first knob in the unsynchronized state.

13. The headgear assembly of Claim 12, wherein, the first knob comprises a curved groove and the rotating disk comprises a rotating disk post, the rotating disk post residing within the curved groove in the synchronized state.

14. The headgear assembly of Claim 13, wherein, the curved groove comprises an entry segment, a first guide segment, a resting point between the first guide segment and a second guide segment, and an exit segment, the rotating disk post entering the curved groove from the entry segment, passing through the first guide segment to the resting point, the rotating disk post residing at the resting point in the synchronized state, the rotating disk post adapted to exit the curved groove through the second guide segment and the exit segment.

15. The headgear assembly of Claim 11 wherein, the lateral headgear adjustment mechanism comprises a transmission shaft connected to the second knob and a ratchet connected to the transmission shaft, the ratchet comprising a third gear, the two second racks engaging the third gear.

16. A headgear assembly, comprising: a longitudinal headgear; a magnetic member disposed on the longitudinal headgear such that the longitudinal headgear is detachably connectable to a lateral headgear via the magnetic member; a first knob rotatable about a first axis; a longitudinal headgear adjustment mechanism connected to the first knob and the longitudinal headgear, wherein the longitudinal headgear is adapted to be adjusted in tightness by the longitudinal headgear adjustment mechanism; a second knob; a lateral headgear adjustment mechanism connected to the second knob; two lateral headgears connected to the lateral headgear adjustment mechanism, wherein the two lateral headgears are adapted to be adjusted in tightness by the lateral headgear adjustment mechanism, wherein the longitudinal headgear adjustment mechanism is adapted to be rotated about a second axis, the first axis being perpendicular to the second axis.

17. The headgear assembly of Claim 16, wherein, the second knob is rotatable about the first axis, the second knob being linked to the first knob in a synchronized state and each of the second knob and the first knob being rotatable independently in an unsynchronized state.

18. The headgear assembly of claim 17, further comprising a rotating disk fixedly attached to the second knob and a spring disposed between the rotating disk and the first knob, the rotating disk engaging the first knob in the synchronized state and disengaging the first knob in the unsynchronized state, the first knob comprising a curved groove and the rotating disk comprising a rotating disk post, the rotating disk post residing within the curved groove in the synchronized state.

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