CN217543570U

CN217543570U - Glasses frame structure with bending-resistant glasses legs

Info

Publication number: CN217543570U
Application number: CN202123228491.XU
Authority: CN
Inventors: 梁文锦; 郑涛; 李旸
Original assignee: Beijing Kingfisher Vision Technology Co ltd
Current assignee: Beijing Kingfisher Vision Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-10-04
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a mirror holder structure that mirror leg is resistant to buckling, mirror holder structure includes mirror leg, pivot reference column and the main casing body, wherein: the mirror leg with pass through between the main casing body pivot location post is articulated, the mirror leg can wind the pivot reference column rotates, mirror leg inside is equipped with first flexible circuit board and coaxial line, main casing body inside is equipped with the second flexible circuit board, the coaxial line is walked around the pivot reference column is connected first flexible circuit board with between the second flexible circuit board, be equipped with an external interface on the mirror leg, the external interface with first flexible circuit board is connected.

Description

Glasses frame structure with bending-resistant glasses legs

Technical Field

The present disclosure relates to the field of electronic circuits, and in particular, to a bending-resistant spectacle frame structure for spectacle legs.

Background

Smart glasses, such as AR glasses, VR glasses, and visual assistance glasses, are head-mounted devices that are glasses when viewed from the outside, and include circuits and display elements that can implement corresponding functions. Because the performance requirements of the intelligent glasses such as size, weight, compact structure, heat dissipation and the like need to be considered, on one hand, the space inside the intelligent glasses is greatly reduced compared with the traditional head-mounted display equipment, so that higher requirements are provided for the compactness of the internal structure; on the other hand, all through a pivot connection between the left and right mirror leg of intelligence glasses and the lens that corresponds to must need consider the rotation of pivot to inner structure or circuit life's influence.

To sum up, the utility model discloses to miniaturized, lightweight intelligent glasses, provided a mirror holder structure that the mirror leg is resistant to buckling.

The statements in this background section merely represent techniques known to the public and are not, of course, representative of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mirror holder structure that mirror leg is resistant to be buckled uses in the intelligent glasses that have electronic circuit and electronic circuit through pivot department, and its key feature is the mirror leg is resistant to be buckled the number of times and is greater than 5000 times, and the electronic circuit of pivot department can stand that the number of times of buckling is greater than 5000 times still and do not take place to damage and keep normal operating condition promptly, because of the electronic circuit in the intelligent glasses is comparatively important structure, generally can cause great influence to the normal work of intelligent glasses after it damages, consequently, the utility model discloses a resistant number of times of buckling increases can effectively prolong the whole life of intelligent glasses.

In order to achieve the above object, the utility model provides a glasses frame structure that mirror leg is resistant to buckling, the glasses frame structure includes mirror leg, pivot reference column and the main casing body, wherein: the mirror leg with pass through between the main casing body pivot location post is articulated, the mirror leg can wind the pivot reference column rotates, mirror leg inside is equipped with first flexible circuit board and coaxial line, main casing body inside is equipped with the second flexible circuit board, the coaxial line is walked around the pivot reference column is connected first flexible circuit board with between the second flexible circuit board, be equipped with an external interface on the mirror leg, the external interface with first flexible circuit board is connected.

The utility model discloses an in one embodiment, install respectively at the both ends of pivot reference column in the mounting hole that sets up on the main casing body, the middle part of pivot reference column supplies well kenozooecium on the mirror leg passes.

In an embodiment of the present invention, the glasses legs include a rotation shaft bracket, the rotation shaft bracket is fixedly connected to the main casing, and the mounting hole is disposed on the rotation shaft bracket.

The utility model discloses an in an embodiment, still be equipped with button and power amplifier circuit board in the mirror leg, the coaxial line includes first pencil group and second pencil group, first flexible circuit board first pencil group the second flexible circuit board is followed the mirror leg extremely the main casing body direction connects gradually, button and power amplifier circuit board second pencil group the second flexible circuit board is followed the mirror leg extremely the main casing body direction connects gradually.

In an embodiment of the present invention, the coaxial line includes a plurality of transmission lines with AWG 42 diameter.

In an embodiment of the present invention, the first wire harness group includes 21 wire harnesses, and the second wire harness group includes 4 wire harnesses.

In an embodiment of the present invention, the first harness group and the second harness group are woven as one body on a common path connected to the second flexible circuit board and have a cross-sectional area of 4 × 0.8mm after weaving.

The utility model discloses an in one embodiment, the peripheral hardware interface sets up the end of mirror leg, and/or the peripheral hardware interface is the Type-C interface.

In an embodiment of the present invention, the first flexible circuit board and the second flexible circuit board are FPCs.

In an embodiment of the present invention, the coaxial line is connected to the first flexible circuit board and the second flexible circuit board through a bonding pad.

The utility model discloses adopt coaxial line and flexible circuit board to realize the inside circuit of intelligent glasses, show the resistant number of times of buckling that has promoted the mirror leg on the basis that satisfies the high-speed signal transmission demand, effectively prolonged the whole life of intelligent glasses and the reliability of intelligent glasses.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to be construed as limiting the disclosure. In the drawings:

fig. 1A is a schematic structural view of the spectacle frame structure of the present invention as seen from the inside;

fig. 1B is a schematic structural view of the spectacle frame structure of the present invention as seen from the outside;

FIG. 2 is a schematic view of a single temple of the present invention;

fig. 3 is a schematic diagram of a coaxial line in the present invention.

Description of the reference numerals: 1, a spectacle frame structure; 2-the temple of the glasses; 3-a rotating shaft positioning column; 4-a main housing; 5-a first flexible circuit board; 6-coaxial line; 7-a second flexible circuit board; 8-peripheral interface; 9-a rotating shaft bracket; 10-push button; 101-keys and a power amplifier circuit board; 11-a loudspeaker.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

The utility model provides a "the mirror leg is able to bear or endure to buckle", generally indicate one of them mirror leg because of having the resistant characteristic of buckling in the present case and be able to bear or endure to buckle, certainly, on this basis, also can further improve and make two mirror legs all have the resistant characteristic of buckling, adopt the utility model discloses a technical means with the resistant extension of buckling of a mirror leg to two mirror legs all be able to bear or endure to buckle, all belong to the scope of present case.

For the rotating shaft at the side of the intelligent glasses, the product reliability requires that the rotating shaft can resist at least 5000 times of bending. The FPC is a flexible circuit board, and is often used for signal transmission in an irregular space due to its soft characteristic. The FPC has mature production process and low price, but the high-frequency signal transmission performance is poor, and the copper foil is not resistant to bending. The coaxial line is a high-speed data communication medium with excellent performance, has good EMC performance and bending reliability due to the shielding structure, but has high processing technology and time cost, and the minimum wire diameter cannot be as thin as that of an FPC (flexible printed circuit).

The present case inventor shows to FPC and coaxial line go on life-span test experimental result, and FPC can be able to bear or endure to buckle the number of times and be less than 1000 times, and the coaxial line is able to bear or endure to buckle the number of times and is greater than 5000 times, consequently, the utility model discloses in, the electric connection of pivot department adopts the coaxial line, and the narrow and small department in spaces such as terminal button of mirror leg, loudspeaker adopt FPC with the electric connection of main casing internal portion, is connected with welding mode between coaxial line and the FPC. The utility model provides an electric connection structure has combined the advantage of FPC and coaxial line, can enough satisfy the high-speed signal communication requirement, also accords with product reliability standard.

The technical scheme of the utility model is explained in detail through the specific embodiments as follows:

as shown in fig. 1A-3, the utility model provides a glasses frame structure 1 that mirror leg is able to bear or endure to buckle, glasses frame structure 1 includes mirror leg 2, pivot reference column 3 and main casing 4, wherein: mirror leg 2 and main casing 4 are articulated through pivot reference column 3 between, and mirror leg 2 can revolute pivot reference column 3 and rotate, and mirror leg 2 is inside to be equipped with first flexible circuit board 5 and coaxial line 6, and main casing 4 is inside to be equipped with second flexible circuit board 7, and coaxial line 6 walks around pivot reference column 3 and connects between first flexible circuit board 5 and second flexible circuit board 7, is equipped with a peripheral hardware interface 8 on the mirror leg 2, and peripheral hardware interface 8 is connected with first flexible circuit board 5.

Fig. 1A is the structure diagram of the mirror holder structure of the present invention seen from the inside, fig. 1B is the structure diagram of the mirror holder structure of the present invention seen from the outside, and fig. 1A and fig. 1B can see the first flexible circuit board 5 and the coaxial line 6 inside the mirror leg 2, and the second flexible circuit board 7 inside the main casing 4 can be seen from fig. 1A and fig. 1B because it is covered by other structures, and the second flexible circuit board 7 can be seen from fig. 2.

In the present embodiment, as shown in fig. 1A, two ends of the rotating shaft positioning column 3 are respectively installed in the installation holes provided on the main casing 4, and the hollow portion of the temple 2 passes through the middle portion of the rotating shaft positioning column 3. The main function of the rotation shaft positioning column 3 is to provide a reference for the rotation of the glasses legs 2 relative to the main casing 4, and in other embodiments, the rotation shaft positioning column 3 may also be connected with the main casing 4 in other manners, which are not limited to the above connection manners.

As shown in fig. 1B, in the present embodiment, the temple 2 includes a pivot bracket 9, the pivot bracket 9 is fixedly connected to the main casing 4, and the mounting hole is provided on the pivot bracket 9. The purpose that sets up pivot support 9 is so that mirror leg 2 has the damping force around the pivoted in-process of pivot reference column 3 for the mirror leg can not rotate at will, and pivot support 9 can share the power of concentrating on pivot reference column 3, avoids the too early damage of mirror leg. The pivot support 9 is the bridge of connecting main casing 4 and mirror leg 2 for the intelligent glasses are convenient for install and production and the life-span of the relevant part of extension pivot department, are common structural component, commonly used in the structural design.

As shown in fig. 1A and fig. 1B, in this embodiment, a button and a power amplifier circuit board 101 are further disposed in the temple 1. The coaxial line 6 includes first pencil group and second pencil group, and first flexible circuit board 5, first pencil group, second flexible circuit board 7 connect gradually along mirror leg 2 to main casing 4 direction, and button and power amplifier circuit board 101, second pencil group, second flexible circuit board 7 connect gradually along mirror leg 2 to main casing 4 direction.

In the present embodiment, the coaxial line 6 includes a plurality of transmission lines having a wire diameter of AWG 42, wherein the first wire harness group includes 21 wire harnesses, and the second wire harness group includes 4 wire harnesses. The first wire harness group and the second wire harness group are woven integrally on a common path connected to the second flexible circuit board 7 and have a cross-sectional area of 4 × 0.8mm after weaving.

In this embodiment, the peripheral interface 8 is disposed at the end of the temple 1, the peripheral interface 8 is a Type-C interface, and accordingly, the end of the first flexible circuit board 5 near the temple has a Type-C terminal, so as to be adaptive to the Type-C interface, the peripheral interface 8 is used to connect an external signal source, the signal source may be, for example, a video signal, an audio signal, a control signal, etc., a signal sent from the signal source is sequentially transmitted to the main board located inside the main housing 4 via the peripheral interface 8, the first flexible circuit board 5, the coaxial line 6, and the second flexible circuit board 7, the signal processed by the main board is displayed as an image via a near-to-eye display screen in the smart glasses, and a sound signal is output to the speaker 11 located on the main housing 2 via the keys and the power amplifier circuit board 101, and meanwhile, the keys and the power amplifier circuit board 101 are connected to a plurality of keys 10, the plurality of keys 10 are located on the temple 2, the shape of which can be set according to actual use requirements, the plurality of the keys 10 can control the volume output by the speaker 11, and the brightness of the near-to the display screen, and the control signal generated by the plurality of the keys 10 can also be transmitted to the main board.

In other embodiments, the peripheral interface 8 may also be another interface Type, the peripheral interface 8 is used to transmit an external signal source to a motherboard inside the smart glasses, and an appropriate interface Type may be selected according to the Type of the external device and the Type of the signal source to be transmitted, which is not limited to the Type-C interface in this embodiment.

As shown in fig. 1A, the peripheral interface 8 in the present embodiment is disposed at the extreme end of the temple and the direction thereof is directed rearward, in other embodiments, the peripheral interface 8 may be disposed at a non-extreme portion of the temple and the direction thereof may be directed sideward, and the arrangement manner of the peripheral interface 8 in the present embodiment is a preferable choice in consideration of convenience in use and aesthetic appearance, but in practice, the position and direction of the peripheral interface 8 may be adjusted by taking other factors into consideration.

In the present embodiment, the first flexible circuit board 5 and the second flexible circuit board 7 are FPCs (flexible circuit boards), and in other embodiments, the flexible circuit boards may also be other transmission line types that can satisfy the signal transmission in the special-shaped narrow space inside the electronic product.

As shown in fig. 3, in the present embodiment, the coaxial wires 6 are connected to the first flexible circuit board 5 and the second flexible circuit board 7 through bonding pads, where the bonding pads are FPC bonding pads, and those skilled in the art clearly know what structure the FPC bonding pads are, and therefore, the description thereof is omitted here.

In the embodiment, what is resistant to buckling is the left side mirror leg, and peripheral interface 8 at the end of the left side mirror leg is a standard Type-C interface, supports DP alternative mode, and the Type-C interface is connected with an external signal source through a connecting wire, and the external signal source is generally a video or image output device, and can display the video source of equipment such as PC/Phone on the near-to-eye display screen inside the smart glasses.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a resistant mirror holder structure of buckling of mirror leg, its characterized in that, the mirror holder structure includes mirror leg, pivot reference column and the main casing body, wherein: the mirror leg with pass through between the main casing body pivot location post is articulated, the mirror leg can wind the pivot reference column rotates, mirror leg inside is equipped with first flexible circuit board and coaxial line, main casing body inside is equipped with the second flexible circuit board, the coaxial line is walked around the pivot reference column is connected first flexible circuit board with between the second flexible circuit board, be equipped with an external interface on the mirror leg, the external interface with first flexible circuit board is connected.

2. The frame structure of claim 1, wherein two ends of the rotation shaft positioning column are respectively mounted in mounting holes provided in the main housing, and a hollow portion of the temple passes through a middle portion of the rotation shaft positioning column.

3. The frame structure of claim 2, wherein the temple comprises a pivot bracket, the pivot bracket being fixedly coupled to the main housing, the mounting hole being disposed on the pivot bracket.

4. The spectacle frame structure of claim 1, wherein a button and a power amplifier circuit board are further arranged in the spectacle legs, the coaxial line comprises a first wire harness group and a second wire harness group, the first flexible circuit board, the first wire harness group and the second flexible circuit board are sequentially connected along the spectacle legs to the main casing, and the button and the power amplifier circuit board, the second wire harness group and the second flexible circuit board are sequentially connected along the spectacle legs to the main casing.

5. The frame structure of claim 4, wherein the coaxial line comprises a plurality of transmission lines having an AWG 42 diameter.

6. The frame structure of claim 5, wherein the first wire harness group comprises 21 wire harnesses and the second wire harness group comprises 4 wire harnesses.

7. The frame structure of claim 4, wherein the first and second wire harness sets are woven together on a common path connected to the second flexible circuit board and have a cross-sectional area of 4 x 0.8mm after weaving.

8. The frame structure of claim 1, wherein the peripheral interface is disposed at an end of the temple, and/or wherein the peripheral interface is a Type-C interface.

9. The frame structure of claim 1, wherein the first and second flexible circuit boards are FPCs.

10. The frame structure of claim 1, wherein the coaxial line is connected to the first flexible circuit board and the second flexible circuit board via a solder pad.