WO2019052516A1

WO2019052516A1 - Length adjuster on wearable device

Info

Publication number: WO2019052516A1
Application number: PCT/CN2018/105591
Authority: WO
Inventors: 董小慧
Original assignee: 杭州安费诺飞凤通信部品有限公司
Priority date: 2017-09-15
Filing date: 2018-09-13
Publication date: 2019-03-21
Also published as: CN207336936U

Abstract

Provided is a length adjuster on a wearable device, the length adjuster comprising an arc-shaped housing, wherein a first connection rack (21), a second connection rack (22) and a rotary wheel (30) are arranged in the arc-shaped housing, a gear (3) is arranged on the rotary wheel (30), the first connection rack (21) and the second connection rack (22) are meshed with the gear (3) to move in opposite directions, and the gear (3) is connected to a clockwork spring mechanism. The length adjuster is further provided with a length fine-adjustment mechanism, and the length fine-adjustment mechanism is connected to the gear (3). The length adjuster is further provided with a backstop mechanism, and the length adjuster is provided with a clutch structure between the backstop mechanism and the gear (3). When the clutch structure is in a connection state, the backstop mechanism prevents the gear (3) from turning back under the action of the clockwork spring, and when the clutch structure is in a disconnection state, the gear (3) can turn back under the action of the clockwork spring. The length adjuster can perform adjustment and fine adjustment of length as desired, has a simple structure and a small volume, is convenient in fine adjustment operation, and is comfortable to handle.

Description

Length adjuster on the wearable device

Technical field

The present invention relates to a wearable device, which is an accessory in a digital product, and more particularly to a length adjuster on a wearable device.

Background technique

For wearable devices such as VR glasses, users have a higher level of experience, and thus the length of the wearable device and the fit of the wearer are critical. At present, the length adjustment of the wearable device is difficult to adjust to any length, and there is no fine adjustment function.

Summary of the invention

The technical problem to be solved by the present invention is to provide a length adjuster on a wearable device to be able to adjust the length and fine tune it arbitrarily. To this end, the present invention adopts the following technical solutions:

a length adjuster on the wearable device, comprising a curved casing, wherein: the arc-shaped casing is provided with a first connecting rack, a second connecting rack and a rotating wheel, and the rotating wheel is provided with a gear, The first connecting rack and the second connecting rack mesh with the gear to move in opposite directions to each other, the gear is connected to the spring mechanism; the length adjuster is further provided with a length fine adjustment mechanism, and the length fine adjustment mechanism and the a gear connection; the length adjuster is further provided with a stop mechanism, the length adjuster has a clutch structure between the stop mechanism and the gear, and the stop mechanism prevents the gear from being locked when the clutch structure is in a connected state The spring spring rotates, and when the clutch structure is in the off state, the gear can be rotated by the spring.

Further, the length fine adjustment mechanism includes an intermittent gear mechanism and a rotational operation member that adjusts the intermittent gear in the intermittent gear mechanism.

Further, the stopping mechanism is connected to the length fine adjustment mechanism, and the intermittent gear mechanism is used as the clutch structure.

Further, the intermittent gear mechanism is above the first connecting rack and the second connecting rack, the intermittent gear mechanism includes a first sun gear coaxially connected to the gear, the first The sun gear and the gear rotate in synchronism, and the intermittent gear meshes with or is coupled by the intermediate gear.

Further, the intermittent gear is a ring gear, the inner ring is provided with a tooth and a smooth surface, the first sun gear is at the center of the ring gear, and a connecting gear is disposed between the ring gear and the first sun gear.

Further, the rotating operation member is a rotating cover on the front surface of the curved casing, and the rotating casing is provided with a rotating guide of the rotating cover.

Further, the length adjuster is provided with a central shaft, the rotating wheel and the first sun gear are sleeved outside the central shaft, and the stopping mechanism adopts a torsion mechanism, and the torque mechanism is connected with the length fine adjustment mechanism, and the The intermittent gear mechanism is configured as the clutch structure, and one end of the torsion mechanism is coupled to the rotary operating member, and the other end is tightly sleeved on the central shaft and rotatable relative to the central axis.

Further, the length adjuster is provided with a central shaft, the runner is sleeved outside the central shaft, a connecting chamber is arranged below the rotating wheel, the spring spring has a rotating outer casing, and the rotating outer casing is connected The cavity is connected to the connecting cavity and rotates synchronously with the rotating wheel. One end of the spring is fixed and the other end is connected to the rotating casing.

Further, one end of the spring is fixed and the other end is connected to the connecting member, and the connecting member is coupled to the gear.

Further, the gear is located in the middle of the curved casing, and the first connecting rack and the second connecting rack may be symmetrically disposed.

Due to the technical solution of the present invention, the invention can adjust the length and the fine adjustment length arbitrarily, has a simple structure, is suitable for wearing equipment, and is advantageous for the thin design, and the fine adjustment operation is convenient and the hand feeling is good.

DRAWINGS

Figure 1 is an exploded view of an embodiment of the present invention.

2 is a plan view of the embodiment of the present invention after the rotation adjusting member is hidden. At this time, the connecting surface of the connecting gear and the intermittent gear cooperate, and the clutch structure is in an open state.

Figure 3 is a cross-sectional view of an embodiment of the present invention.

Detailed ways

Refer to the attached drawings. The length adjuster on the wearable device provided by the present invention comprises an arcuate casing comprising an upper casing 11 and a lower casing 12, and further comprising a bottom cover 13. The curved housing is provided with a first connecting rack 21, a second connecting rack 22 and a rotating wheel 30. The rotating wheel 30 is provided with a gear 3, and the first connecting rack 21 and the second connecting rack 22 are provided. Engaging with the gear 3, the first connecting rack 21 and the second connecting rack 22 move in opposite directions to each other, the gear 3 is connected to a spring spring mechanism; the length adjuster is further provided with a length fine adjustment mechanism, The length fine adjustment mechanism is coupled to the gear 3. The gear 3 is preferably in the middle of the curved casing, and the first connecting rack and the second connecting rack can be symmetrically arranged, using the same components, and the first connecting rack 21 and the second connecting rack 22 are all worn. The connection bit 20 of the connection strip on the device.

The length fine adjustment mechanism is preferably an intermittent gear mechanism, and is provided with a rotational operation member 4 that adjusts the intermittent gear 40 in the intermittent gear mechanism.

The intermittent gear mechanism is above the first connecting rack 21 and the second connecting rack 22. The intermittent gear mechanism includes a first sun gear 41 coupled to the gear 3 and coaxial, the first sun gear 41 and the gear 3 rotate synchronously, and the intermittent gear 40 is a ring gear, and the inner ring is disposed The tooth 401 and the smooth surface 402 are located at the center of the ring gear, and a connecting gear 42 is disposed between the ring gear and the first sun gear 41. The first sun gear 41 can be coupled to the gear at the lower portion thereof by means of a keyway fit.

The rotary operating member 4 is a rotating cover on the front surface of the curved casing, and the rotating casing 14 is provided with a rotating cover 14 on the curved casing.

The length adjuster is further provided with a stop mechanism, and the length adjuster has a clutch structure between the stop mechanism and the gear 3, and the stop mechanism prevents the gear 3 from being wound when the clutch structure is in a connected state The spring 5 acts to rotate, preventing the length from retracting. When the clutch structure is in the off state, the gear 3 can be rotated by the spring spring 5 to gather the length.

The anti-return mechanism is connected to the length fine adjustment mechanism, and the intermittent gear mechanism is used as the clutch structure, which can greatly simplify the structure and improve performance. The stop mechanism and the clutch mechanism can also be connected to the gear 3 or a member that rotates synchronously with the gear 3 by means of a switch, thereby functioning as described above.

The length adjuster is provided with a central shaft 6 which can be connected to the bottom cover 13, and the runner 30 and the first sun gear 41 are sleeved outside the central shaft 6.

The torsion mechanism 7 may employ a torsion mechanism 7 having one end connected to the rotary operating member 4 and the other end being tightly fitted on the central shaft 6 by the reed pipe 70 and rotatable relative to the central shaft 6 through the reed pipe. The interference of the 70 and the central shaft 6 generates a torsional force to block the resilience of the spring spring, and also serves to maintain the rotational operating member 4 in the position.

A connecting chamber 31 is connected to the lower side of the rotating wheel 30. The spring spring 5 has a rotating outer casing 50. The rotating outer casing 50 is in the connecting chamber 31 and is connected to the connecting chamber to rotate synchronously with the rotating wheel 30. One end of the spiral spring 5 is fixed to a fixing member such as the center shaft 6 or the bottom cover 13, and the other end is connected to the rotary housing 50.

When the first connecting rack 21 and the second connecting rack 22 are pulled to increase the length, the gear 3 rotates, and when the length is substantially matched, the wearing device can be placed on the wearing portion, and if worn, the length is sensed. If it is not very suitable, the length of the fine adjustment mechanism can be adjusted to rotate the gear 3 by a small angle, and the first connecting rack 21 and the second connecting rack 22 are driven to move and fine-tune the length. When the length fine adjustment mechanism adopts the intermittent gear mechanism, the rotation of the gear 3 drives the first sun gear 41 and further drives the connecting gear 42 to rotate. If the connecting gear 42 is in the state of meshing with the teeth of the gap gear 40, the interval is intermittent. The gear 40 is also rotated until the connecting gear 42 is turned to the smooth surface of the intermittent gear 40, and the first sun gear 41 is idling. If fine adjustment is required, the rotating operation member 4 is rotated, and the intermittent gear 40 is again turned to the tooth 401. The connecting gear 42 is engaged, so that the first sun gear 41 can be rotated, and then the gear 3 can be rotated and the first connecting rack 21 and the second connecting rack 22 can be moved to finely adjust the length.

When the wearing device is in normal use, since the connecting gear 42 and the intermittent gear 40 are in the engaged state, the clutch structure is in the connected state, the torsion force generated by the stopping mechanism blocks the resilience of the spring spring 5, maintains the current length, and when worn off In the case of equipment, it is often necessary to have an elongated action first. At this time, the connecting gear 42 is turned to the smooth surface of the intermittent gear 40, and when the clutch structure is in the disconnected state, the gear 3 can be rotated by the spring spring 5, and is gathered. length.

The above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the scope of the present invention. Among them.

Claims

a length adjuster on the wearable device, comprising a curved casing, wherein: the arc-shaped casing is provided with a first connecting rack, a second connecting rack and a rotating wheel, and the rotating wheel is provided with a gear, The first connecting rack and the second connecting rack mesh with the gear to move in opposite directions to each other, the gear is connected to the spring mechanism; the length adjuster is further provided with a length fine adjustment mechanism, and the length fine adjustment mechanism and the a gear connection; the length adjuster is further provided with a stop mechanism, the length adjuster has a clutch structure between the stop mechanism and the gear, and the stop mechanism prevents the gear from being locked when the clutch structure is in a connected state The spring spring rotates, and when the clutch structure is in the off state, the gear can be rotated by the spring.
A length adjuster for a wearable device according to claim 1, wherein said length fine adjustment mechanism includes an intermittent gear mechanism and a rotational operation member that adjusts the intermittent gear in the intermittent gear mechanism.
A length adjuster for a wearable device according to claim 2, wherein said retaining mechanism is coupled to the length fine adjustment mechanism, and said intermittent gear mechanism is used as said clutch structure.
A length adjuster for a wearable device according to claim 2, wherein said intermittent gear mechanism is above said first connecting rack and said second connecting rack, said intermittent gear mechanism comprising The gear-connected and coaxial first sun gear, the first sun gear and the gear rotate in synchronism, and the intermittent gear and the first sun gear mesh or are meshed by an intermediate gear.
A length adjuster for a wearable device according to claim 4, wherein said intermittent gear is a ring gear, the inner ring is provided with teeth and a smooth surface, and said first sun gear is at the center of said ring gear, A connecting gear is disposed between the ring gear and the first sun gear.
A length adjuster for a wearable device according to claim 5, wherein said rotary operating member is a rotary cover on the front side of the curved casing, and the arcuate casing is provided with a rotary guide for rotating the cover.
The length adjuster of the wearable device according to claim 5, wherein the length adjuster is provided with a central shaft, and the runner and the first sun gear are sleeved outside the central shaft, and the stop mechanism Using a torsion mechanism, the torsion mechanism is coupled to the length fine adjustment mechanism, and the intermittent gear mechanism is used as the clutch structure, one end of the torsion mechanism is connected to the rotating operation member, and the other end is tightly sleeved on the central axis and can be opposite The central axis rotates.
The length adjuster of the wearable device according to claim 1, wherein the length adjuster is provided with a central shaft, the runner is sleeved outside the central shaft, and a connecting cavity is arranged below the runner. The spring spring has a rotating outer casing, and the rotating outer casing is in the connecting cavity and is connected to the connecting cavity to rotate synchronously with the rotating wheel. One end of the spring is fixed and the other end is connected with the rotating outer casing.
A length adjuster for a wearable device according to claim 1, wherein one end of said spring is fixed and the other end is connected to a connecting member, and said connecting member is coupled to said gear.
A length adjuster for a wearable device according to claim 1, wherein said gear is in the middle of the arcuate housing, and the first connecting rack and the second connecting rack are symmetrically disposed.