CN114063293A

CN114063293A - Head-mounted glasses device and binding band adjusting mechanism thereof

Info

Publication number: CN114063293A
Application number: CN202010799570.7A
Authority: CN
Inventors: 胡珍祥
Original assignee: Shenzhen Kaifa Technology Co Ltd
Current assignee: Shenzhen Kaifa Technology Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2022-02-18

Abstract

The invention discloses a head-mounted glasses device and a bandage adjusting mechanism thereof, wherein the bandage adjusting mechanism comprises a shell, a sliding locking component and a button, the sliding locking component is positioned in the shell, the button is positioned outside the shell, the shell is provided with a bandage inlet, a bandage extends into the shell through the bandage inlet, the end part of the bandage is fixed with the sliding locking component, the button is connected with the sliding locking component, the button can drive the sliding locking component to be disengaged from the shell after being pressed, and the button drives the sliding locking component to slide when the sliding locking component is disengaged from the shell and receives acting force parallel to a sliding path of the sliding locking component.

Description

Head-mounted glasses device and binding band adjusting mechanism thereof

Technical Field

The invention relates to the technical field of intelligent interaction, in particular to a head-mounted glasses device and a binding belt adjusting mechanism thereof.

Background

At present 5G gets into people's life, AR/VR product will obtain further popularization, and AR/VR glasses are worn comfort level and convenience and are influenced user experience effect to a great extent. Current AR/VR product bandage design, it is generally simple to utilize the bandage to pass and glue through the magic after the glasses are buckled, and its defect is that can not adjust the bandage length in a flexible way, and in addition, when the user worn glasses, the eyes main part fell down easily and oppresses the nose.

Disclosure of Invention

The present invention is directed to a head-mounted glasses device and a strap adjusting mechanism thereof, which overcome the above-mentioned drawbacks of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a strap adjusting mechanism is constructed for installing and adjusting a strap in a head-mounted eyeglass device, and comprises a shell, a sliding locking component and a button, wherein the sliding locking component is positioned in the shell, the button is positioned outside the shell, the sliding locking component is in sliding fit with the shell and is locked in an engagement mode, the shell is provided with a strap inlet, the strap extends into the shell through the strap inlet, the end part of the strap is fixed with the sliding locking component, the button is connected with the sliding locking component, the button can drive the sliding locking component to be disengaged with the shell after being pressed, and the button drives the sliding locking component to slide when the sliding locking component is subjected to acting force parallel to a sliding path of the sliding locking component after being disengaged with the shell.

Preferably, the sliding locking assembly comprises a sliding block, a locking block and a pre-tightening piece, the end of the binding belt is fixed with the sliding block, the sliding block is slidably assembled in the shell, the sliding path of the sliding block is parallel to the length direction of the binding belt, a rack parallel to the sliding path of the sliding block is arranged in the shell, a ratchet matched with the rack is arranged on the locking block, the pre-tightening piece is connected between the sliding block and the locking block, the button is connected with the locking block, the pre-tightening piece applies pre-tightening force to the locking block to enable the ratchet to be kept meshed with the rack, and the button can overcome the pre-tightening force and push the ratchet to be disengaged with the rack by being pressed.

Preferably, the binding belt device further comprises a steering mechanism arranged in the shell, the steering mechanism is arranged at a position, far away from the binding belt inlet, of the shell, and the binding belt penetrates through the binding belt inlet, enters the shell, is steered around the steering mechanism and is fixed with the sliding block.

Preferably, the steering mechanism comprises a connecting shaft and a shaft tube, two ends of the connecting shaft are respectively fixed with the top and the bottom of the shell, and the shaft tube is sleeved outside the connecting shaft and can rotate around the connecting shaft when the binding band is pulled.

Preferably, the button includes upside button and downside button, the casing is the platykurtic, the stroke of pressing of downside button is greater than the meshing volume of ratchet, an upside button guiding groove is seted up at the top of casing, a downside button guiding groove is seted up to the bottom, the latch segment bottom stretch into in the downside button guiding groove and with downside button passes through screwed connection, the upside button pass upside button guiding groove with the slider top is connected, the top of latch segment upwards extends the location portion that forms one with the constant head tank matching of upside button bottom, location portion with the constant head tank cooperation, wherein one side of casing is seted up the bandage entry, steering mechanism sets up the position that is close to the opposite side in the casing.

Preferably, the locking block is provided with a first positioning column protruding upwards, the slider is provided with a second positioning column protruding downwards, the pretensioning member is a pressure spring, and two ends of the pressure spring are respectively sleeved on the first positioning column and the second positioning column.

Preferably, a groove and a protruding sliding portion are arranged on the side face, away from the binding band, of the sliding block, the locking block is installed in the groove, two rows of ratchet teeth protrude from the side face, away from the binding band, of the locking block, the two rows of ratchet teeth are located at positions close to the bottom and the top of the locking block respectively, and a sliding track matched with the sliding portion and two rows of racks matched with the two rows of ratchet teeth are arranged on the inner wall of the shell.

Preferably, the shell is formed by assembling a first shell and a second shell;

an upper side button guide groove is formed in the top of the first shell, a lower side button guide groove is formed in the bottom of the first shell, three strip-shaped parts protrude out of one surface of the first shell facing the second shell, two strip-shaped parts close to the lower side of the first shell form the sliding track together, the top of the strip-shaped part at the top protrudes upwards to form one rack, and the inner wall of the bottom of the first shell protrudes upwards to form the other rack;

the binding belt inlet is formed in one side of the second shell, a pair of fixing lugs for mounting the steering mechanism are arranged at the position, close to the other side, of the second shell, and the fixing lugs are located at the positions close to the top and the bottom of the second shell respectively.

Preferably, a third positioning column protrudes from a side surface of the slider, which faces away from the second housing, a positioning hole corresponding to the third positioning column is formed in an end portion of the binding band, the binding band is mounted on the third positioning column through the positioning hole and is locked by a screw after being pressed by a pressing piece, and a sawtooth structure is arranged on one side of the pressing piece, which faces the binding band.

The invention also constructs a head-wearing glasses device which comprises a glasses main body, two bandage adjusting mechanisms and a bandage, wherein the two bandage adjusting mechanisms are respectively arranged at the two ends of the glasses main body, and the two ends of the bandage are respectively connected with the two bandage adjusting mechanisms.

Preferably, the strap comprises: with the regulation band of human afterbrain spoon complex afterbrain spoon spacer, two elastic cords, two wear-resisting PU materials, the nexine of afterbrain spoon spacer is PC piece, intermediate level are sponge, outer parcel PU material, the both ends and two elastic cords of afterbrain spoon spacer pass through the sewing and are connected, and two elastic cords pass through the sewing with two regulation bands respectively and are connected, and two regulation bands are connected with two bandage adjustment mechanism respectively.

The head-wearing glasses device and the bandage adjusting mechanism thereof have the following beneficial effects: in the invention, the length of the binding band can not be adjusted due to the meshing of the ratchet and the rack at ordinary times, when the length of the binding band needs to be adjusted, the length of the binding band can be adjusted by pressing the button to remove the meshing of the ratchet and the rack and dragging the sliding block through the button to slide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:

FIG. 1 is a schematic view of the configuration of the straps of the present invention as adjusted to the minimum head circumference size;

FIG. 2 is a schematic view of the configuration of the straps of the present invention adjusted to the maximum head circumference size;

FIG. 3 is a schematic view of the structure of the strap;

FIG. 4 is a schematic view of the strap adjustment mechanism in two different views;

FIG. 5 is a schematic view of the strap adjustment mechanism in an open configuration;

fig. 6 is a schematic view of the construction of the slide and lock assembly.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the embodiments and specific features in the embodiments of the present invention are described in detail in the present application, but not limited to the present application, and the features in the embodiments and specific features in the embodiments of the present invention may be combined with each other without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. The terms "up", "down", "front", "back", "left" and "right" indicating the orientation in the following embodiments shall be understood as referring to the "up", "down", "front", "back", "left" and "right" directions of the user when the user wears the glasses.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various components, but the components are not limited by the terms. These terms are used only for the purpose of distinguishing one constituent element from other constituent elements. For example, a first component may be named a second component, and similarly, a second component may also be named a first component, without departing from the scope of the present invention.

Referring to fig. 1-2, the head-mounted glasses device of the present embodiment includes a glasses body 2, two strap adjusting mechanisms 1, and a strap 3, wherein one strap adjusting mechanism 1 is respectively installed at two ends of the glasses body 2, and two ends of the strap 3 are respectively connected to the two strap adjusting mechanisms 1. The strap adjusting mechanism 1 can adjust the head circumference size of the strap 3, such as the strap 3 is adjusted to the minimum head circumference size in fig. 1, and the strap 3 is adjusted to the maximum head circumference size in fig. 2, and the right side and the left side of the whole head-mounted glasses device are in a symmetrical structure.

Referring to fig. 3, the strap 3 in the present embodiment includes: with the adjusting band 33 of human back brain spoon complex back brain spoon spacer 31, two elastic cords 32, two wear-resisting PU (polyurethane) materials, the nexine of back brain spoon spacer 31 is PC (polycarbonate) piece, intermediate level is sponge, outer parcel PU material, the both ends and two elastic cords 32 of back brain spoon spacer 31 pass through the sewing and are connected, and two elastic cords 32 pass through the sewing with two adjusting bands 33 respectively and are connected, and two adjusting bands 33 are connected with two bandage adjustment mechanism 1 respectively.

Referring to fig. 4, the strap adjusting mechanism 1 of the present embodiment includes a housing 11, a slide and lock assembly located inside the housing 11, and a button located outside the housing 11. The sliding locking component is in sliding fit with the housing 11 and locked in an engaged manner, the housing 11 is provided with a band inlet 1121, the band 3 extends into the housing 11 through the band inlet 1121, the end of the band 3 is fixed with the sliding locking component, the button is connected with the sliding locking component, the button can drive the sliding locking component to be disengaged from the housing 11 after being pressed, and the button drives the sliding locking component to slide when being subjected to a force parallel to a sliding path of the sliding locking component after the sliding locking component is disengaged from the housing.

In this embodiment, the buttons include an upper button 13 and a lower button 12. Referring to fig. 5-6, the housing 11 also includes a steering mechanism 17 therein, and the slide and lock assembly includes a slide 14, a lock block 15, and a preload member 16.

The casing 11 is flat, and the front side of casing 11 is provided with a bandage entry 1121, an upper side button guiding groove 1111 is seted up at the top of casing 11, a lower side button guiding groove 1112 is seted up to the bottom. The steering mechanism 17 is disposed inside the housing 11 at a position away from the strap inlet 1121, and after the strap 3 passes through the strap inlet 1121 and enters the housing 11, the strap is turned around the steering mechanism 17 (for example, the embodiment turns around 360 degrees, but the turning may be turned at other angles) and then fixed with the slider 14. Of course, in other embodiments, the steering mechanism 17 may be omitted, and the end of the binding band 3 may be directly fixed to the sliding block 14, which are simple variations of this embodiment and are within the protection scope of the present invention.

The sliding block 14 is slidably assembled in the housing 11, the sliding path of the sliding block is parallel to the length direction of the binding band 3, a rack 1113 parallel to the sliding path of the sliding block 14 is arranged in the housing 11, a ratchet 151 matched with the rack 1113 is arranged on the locking block 15, the locking block 15 and the preload piece 16 are positioned in the housing 11, the preload piece 16 is arranged between the sliding block 14 and the locking block 15, the lower button 12 is connected with the bottom of the locking block 15, the upper button 13 is fastened with the sliding block 14, the upper button 13 cannot move in the up-down direction, the top of the locking block 15 extends upwards to form a positioning part 153 matched with the positioning groove 131 at the bottom of the upper button 13, and the positioning part 153 at the top of the locking block 15 is matched with the positioning groove 131 at the bottom of the upper button 13.

Wherein, the preload piece 16 applies a preload to the locking block 15 to keep the ratchet 151 engaged with the rack 1113, the lower button 12 can overcome the preload by being pressed and push the ratchet 151 to disengage from the rack 1113, and the pressing stroke of the lower button 12 is larger than the engagement amount of the ratchet 151. The upper button 13 and the lower button 12 drive the sliding block 14 to slide when being applied with a force parallel to the sliding path of the sliding block 14. Of course, theoretically there could be only one lower button 12, but for the purpose of facilitating the sliding of the dragging slider 14, it is preferable to provide an upper button 13 and a lower button 12.

Specifically, the housing 11 is formed by assembling a first housing 111 and a second housing 112, and the first housing 111 and the second housing 112 are assembled to provide a thickness space of the housing 11. The first housing 111 and the second housing 112 are fastened by screws at four corners. An upper side button guide groove 1111 is seted up at the top of first casing 111, a lower side button guide groove 1112 is seted up to the bottom, first casing 111 towards the protruding three bar of one side of second casing 112, two bar that the below is close to form the slide rail 1114 jointly, the top of the bar of the top upwards protrusion forms one the rack 1113, the bottom inner wall of first casing 111 upwards protrusion forms another rack 1113. The binding band inlet 1121 is formed in one side of the second casing 112, a pair of fixing lugs 1122 for mounting the steering mechanism 17 are disposed at positions close to the other side of the second casing 112, and the fixing lugs 1122 are respectively located at positions close to the top and the bottom of the second casing 112.

Specifically, the steering mechanism 17 includes a connecting shaft and a shaft tube, two ends of the connecting shaft are respectively inserted into the assembling holes of the fixing lugs 1122 at the top and the bottom of the second housing 112 for tight fitting, and the shaft tube is sleeved outside the connecting shaft and can rotate around the connecting shaft when the binding band 3 is pulled.

Specifically, the side of the slider 14 facing away from the second housing 112 is provided with a groove and a sliding portion 141 protruding to match the sliding track 1114, and the sliding portion 141 can slide in the sliding track 1114. The locking block 15 is mounted in the recess. The latch segment 15 is roughly "worker" style of calligraphy, and its bottom stretches into in the downside button guide groove 1112 and is connected fixedly through screw and downside button 12, latch segment 15 is formed with two first reference columns 152 in the left and right sides that upwards convexly stretch, the corresponding second reference column 142 that is formed with the downwards convexly stretch of slider 14, pretension piece 16 is the pressure spring, the both ends of pressure spring overlap respectively on first reference column 152 and the second reference column 142.

Two rows of ratchet teeth 151 protrude from the side surface of the locking block 15 away from the second housing 112, the two rows of ratchet teeth 151 are respectively located at positions close to the bottom and the top of the locking block 15, and a sliding rail 1114 matched with the sliding part 141 and two rows of racks 1113 matched with the two rows of ratchet teeth 151 are arranged on the inner wall of the housing 11.

A third positioning column 143 protrudes from a side surface of the slider 14 facing away from the second housing 112, the third positioning column 143 is located beside the locking block 15, a corresponding positioning hole is formed in an end portion of the binding band 3, and the binding band 3 is mounted on the third positioning column 143 through the positioning hole and is locked by a screw after being pressed by the pressing piece 18. Preferably, a sawtooth structure is arranged along the height of the pressing piece 18 on one side of the pressing piece 18 facing the binding band 3, the sawtooth structure and the binding band 3 are in interference fit in a thickness space, and the pressing piece 18, the binding band 3 and the sliding block 14 are pressed by two screws.

When using the device of this embodiment, the user presses the left upper button 13 and the left lower button 12 with the left hand before wearing the glasses, the ratchet 151 is released when the pressing force is larger than the pre-tightening force of the compression spring, i.e., the elastic force (500g), and moves forward after pressing the upper button 13 and the lower button 12, the slider 14 is driven to slide forward to the foremost end, and the band 3 is synchronously pulled with the right hand to grasp backward, thereby preventing the band 3 from accumulating in the case 11. The same procedure adjusts the right side strap 3, with the strap 3 having been adjusted to the maximum head circumference size as in fig. 2. Then, the user wears the glasses on the head, the forehead is attached to the sponge of the glasses body 2, the left and right hands simultaneously press the left and right buttons, when the pressing force is larger than the elastic force (500g) of the pressure spring, the ratchet 151 is loosened, the user drives the sliding block 14 to slide backwards through the upper button 13 and the lower button 12 on the left and right sides, the size of the bandage 3 is adjusted to be proper head circumference, the user loosens the left and right hands, the ratchet 151 is meshed with the rack 1113 under the pushing of the elastic force of the pressure spring, and the bandage 3 is in a locking state, so that the wearing mode is more ergonomic.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A strap adjustment mechanism for mounting and adjusting a strap in a head-mounted eyewear apparatus, comprising a housing, a sliding locking assembly located in the housing, and a button located outside the housing, the sliding locking assembly being slidably engaged with the housing and locked by engagement, the housing being provided with a strap entrance through which the strap extends into the housing and an end of the strap is fixed to the sliding locking assembly, the button being connected to the sliding locking assembly, the button being capable of actuating the sliding locking assembly to disengage from the housing after being pressed, the button actuating the sliding locking assembly to slide when the sliding locking assembly is disengaged from the housing and is subjected to an action force parallel to a sliding path of the sliding locking assembly.

2. The strap adjusting mechanism according to claim 1, wherein said sliding lock assembly includes a slider, a locking block, and a preload member, an end portion of said strap being fixed to said slider, said slider being slidably fitted in said housing with a sliding path parallel to a length direction of said strap, a rack bar being provided in said housing parallel to said sliding path of said slider, a ratchet tooth being provided on said locking block to match said rack bar, said preload member being connected between said slider and said locking block, said push button being connected to said locking block, said preload member applying a preload force to said locking block to keep said ratchet tooth engaged with said rack bar, said push button being operable to overcome said preload force and push said ratchet tooth out of engagement with said rack bar by being pressed.

3. The strap adjustment mechanism of claim 2 further comprising a steering mechanism disposed within said housing, said steering mechanism being disposed at a location of said housing remote from said strap entrance, said strap being secured to said slide block after being steered around said steering mechanism after entering said housing through said strap entrance.

4. The strap adjusting mechanism according to claim 3, wherein said steering mechanism includes a connecting shaft and a shaft tube, both ends of said connecting shaft are fixed to the top and bottom of said housing, respectively, and said shaft tube is sleeved outside said connecting shaft and can rotate around said connecting shaft when said strap is pulled.

5. The strap adjusting mechanism according to claim 3, wherein the button includes an upper button and a lower button, the housing is flat, a pressing stroke of the lower button is larger than the engaging amount of the ratchet, an upper button guiding groove is formed in a top of the housing, a lower button guiding groove is formed in a bottom of the housing, a bottom of the locking block extends into the lower button guiding groove and is connected with the lower button through a screw, the upper button penetrates through the upper button guiding groove to be connected with a top of the slider, a top of the locking block extends upwards to form a positioning portion matched with the positioning groove in the bottom of the upper button, and the positioning portion is matched with the positioning groove.

6. The strap adjusting mechanism of claim 3, wherein the locking block is formed with a first positioning post projecting upward, the slider is formed with a second positioning post projecting downward, the pretensioner is a compression spring, and both ends of the compression spring are respectively fitted over the first positioning post and the second positioning post.

7. The strap adjusting mechanism of claim 6 wherein a groove and a protruding sliding portion are provided on a side of the slider facing away from the strap, the locking block is mounted in the groove, two rows of ratchet teeth protrude from a side of the locking block facing away from the strap, the two rows of ratchet teeth are respectively located near a bottom and a top of the locking block, and a sliding track matching with the sliding portion and two rows of racks matching with the two rows of ratchet teeth are provided on an inner wall of the housing.

8. The strap adjustment mechanism of claim 7 wherein said housing is formed from a first housing and a second housing assembled together;

the binding belt inlet is formed in one side of the second shell, a pair of fixing lugs for mounting the steering mechanism are arranged at the position, close to the other side, of the second shell, and the fixing lugs are respectively located at the positions close to the top and the bottom of the second shell;

a third positioning column protrudes from the side face, away from the second shell, of the sliding block, a positioning hole corresponding to the third positioning column is formed in the end portion of the binding band, the binding band is mounted on the third positioning column through the positioning hole and is tightly pressed through a pressing piece and then locked through a screw, and a sawtooth structure is arranged on one side, facing the binding band, of the pressing piece.

9. A head-mounted eyeglass device comprising an eyeglass body, two strap adjustment mechanisms according to any one of claims 1 to 8, and a strap, wherein the two strap adjustment mechanisms are respectively mounted on both ends of the eyeglass body, and both ends of the strap are respectively connected to the two strap adjustment mechanisms.

10. The eyewear headset of claim 9, wherein the strap comprises: with the regulation band of human afterbrain spoon complex afterbrain spoon spacer, two elastic cords, two wear-resisting PU materials, the nexine of afterbrain spoon spacer is PC piece, intermediate level are sponge, outer parcel PU material, the both ends and two elastic cords of afterbrain spoon spacer pass through the sewing and are connected, and two elastic cords pass through the sewing with two regulation bands respectively and are connected, and two regulation bands are connected with two bandage adjustment mechanism respectively.