CN111665633B

CN111665633B - Collapsible mirror leg subassembly and head-mounted apparatus

Info

Publication number: CN111665633B
Application number: CN202010554883.6A
Authority: CN
Inventors: 李传龙; 姜滨; 迟小羽
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2022-01-04
Anticipated expiration: 2040-06-17
Also published as: CN111665633A

Abstract

The invention discloses a foldable glasses leg assembly and head-mounted equipment, wherein a rotating shaft assembly comprises a fixed shaft part, a movable shaft part, a first cam and an elastic part; the fixed shaft part comprises a fixed shaft connecting part and a rotating shaft part, the first cam penetrates through the rotating shaft part, and the fixed shaft connecting part is fixedly connected with the mirror frame; the movable shaft part comprises a movable shaft connecting part and a rotating shaft connecting part, a second cam is arranged on the rotating shaft connecting part, the second cam penetrates through the rotating shaft part and can rotate around the rotating shaft part, and the movable shaft connecting part is fixedly connected with the glasses legs; the elastic element is sleeved on the rotating shaft part; when the fixed shaft part and the movable shaft part relatively rotate, the first cam and the second cam can be mutually embedded so as to fix the glasses legs at specific positions; the first cam and the second cam can be pushed along the axial direction of the rotating shaft part, and the elastic part applies acting force for tightly attaching the first cam to the second cam. This head-mounted apparatus can keep certain clamping-force when the mirror leg is reverse to be buckled to the different head of adaptation encloses, improves and wears the comfort level.

Description

Collapsible mirror leg subassembly and head-mounted apparatus

Technical Field

The invention relates to the technical field of head-mounted equipment, in particular to a foldable glasses leg assembly and head-mounted equipment.

Background

In recent years, smart devices such as AR/VR/MR devices have been popular with a wide range of consumers, and various head-mounted and glasses-type products have been developed. Taking AR glasses as an example, AR glasses can bring abundant visual experience for the user, wear in user's head to the form of glasses, and the user of being convenient for uses. The existing AR glasses on the market can not be well adapted to the head shapes of various head circumferences to be worn, certain clamping force is guaranteed, and the user wearing experience is not comfortable.

In addition, because the inner space of the AR glasses is narrow and small, the usable space can be arranged with related hardware, circuits such as the FPC are distributed inside the whole product, when the AR glasses are folded, the circuits such as the FPC are exposed outside, the circuits such as the FPC are easy to wear, and the reliability and the attractiveness of the product are reduced.

Furthermore, some AR glasses are provided with a rotating shaft mechanism for improving portability and storage performance, and the rotating shaft mechanism is only used for realizing a folding function, so that the function is relatively single, and other effects of improving user experience cannot be provided.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

Aiming at the problems that AR glasses pointed out in the background technology are uncomfortable to wear and circuits are exposed when the AR glasses are folded, the invention provides a foldable glasses leg assembly and a head-mounted device.

In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:

the invention provides a foldable glasses leg assembly, which comprises a glass frame and glasses legs, wherein the glass frame and the glasses legs are respectively provided with a cavity inside, and the foldable glasses leg assembly further comprises: the rotating shaft assembly comprises a fixed shaft part, a movable shaft part, a first cam and an elastic part; the fixed shaft part comprises a fixed shaft connecting part and a rotating shaft part, the first cam is arranged on the rotating shaft part in a penetrating mode and can move along the axial direction of the rotating shaft part, and the fixed shaft connecting part is fixedly connected with the mirror frame; the movable shaft part comprises a movable shaft connecting part and a rotating shaft connecting part, a second cam is arranged on the rotating shaft connecting part, the second cam penetrates through the rotating shaft part and can rotate around the rotating shaft part, and the movable shaft connecting part is fixedly connected with the glasses legs; the elastic piece is sleeved on the rotating shaft part; the first cam and the second cam are fitted to each other when the fixed shaft portion and the movable shaft portion are relatively rotated, so that the temple is fixed at a specific position with respect to the frame; when the fixed shaft part and the movable shaft part relatively rotate, the first cam and the second cam can be pushed against each other along the axial direction of the rotating shaft part, and at the moment, the elastic piece applies acting force for tightly attaching the first cam to the second cam.

In some embodiments of the present application, the first cam has first protrusions and first recesses arranged at intervals in a circumferential direction thereof, and the second cam has second protrusions and second recesses arranged at intervals in a circumferential direction thereof; when the first convex part is embedded into the second concave part, the first cam and the second cam are mutually embedded, and the spectacle frame and the spectacle legs can be fixed at a specific position; when the first convex part moves from the bottom end of the second concave part to the top end, the first cam is jacked up, and the elastic part is stressed and deformed; the first protruding part can move from the top end of the second concave part to the bottom end under the action of the resetting force of the elastic part.

In some embodiments of the present application, one end of the glasses frame is provided with a glasses frame opening part, one end of the glasses legs is provided with a glasses leg opening part, and the glasses frame opening part is arranged opposite to the glasses leg opening part; the fixed shaft connecting part extends into the inner cavity of the mirror frame through the mirror frame opening part and is fixedly connected with the mirror frame; the loose axle connecting portion warp the mirror leg opening stretches into extremely the inside cavity of mirror leg with mirror leg fixed connection, be equipped with the shaft hole on the pivot connecting portion, pivot portion rotationally wears to locate in the shaft hole.

In some embodiments of the present application, the rotating shaft portion includes a first rotating shaft, a second rotating shaft, and a third rotating shaft, which are sequentially disposed from top to bottom and are coaxial, and diameters of the first rotating shaft, the second rotating shaft, and the third rotating shaft are sequentially reduced; the cross section of the second rotating shaft is non-circular, the first cam is provided with a non-circular shaft hole matched with the cross section of the second rotating shaft, and the second rotating shaft is arranged in the non-circular shaft hole in a penetrating mode so that the first cam can move along the axial direction of the second rotating shaft; the rotating shaft connecting part is rotatably connected with the third rotating shaft, and the top end surface of the rotating shaft connecting part is in clearance fit with the bottom end surface of the second rotating shaft; one end of the fixed shaft connecting part is connected with the first rotating shaft, the elastic piece is sleeved on the second rotating shaft, the upper end of the elastic piece is abutted against the bottom end face of the first rotating shaft, and the lower end of the elastic piece is abutted against the upper end face of the first cam.

In some embodiments of the present application, a lock nut is further disposed on the third rotating shaft to limit the displacement of the rotating shaft connecting portion along the axial direction of the third rotating shaft.

In some embodiments of the present application, the foldable temple assembly further comprises: the glasses frame comprises a glass frame, a cover plate assembly and a glasses leg, wherein an accommodating cavity is formed in the cover plate assembly, a first yielding port is formed in the side, close to the glasses frame, of the cover plate assembly and extends into the cavity of the glasses frame through the opening of the glasses frame, a second yielding port is formed in the side, close to the glasses leg, of the cover plate assembly and extends into the cavity of the glasses leg through the opening of the glasses leg, an upper through hole is formed in the top of the cover plate assembly, and a lower through hole is formed in the bottom of the cover plate assembly; first pivot is worn to be located go up in the through-hole and with go up through-hole clearance fit, the second pivot is located hold the intracavity, the third pivot is followed the through-hole stretch out down with pivot connecting portion rotate to be connected, fixed axle connecting portion with the interior wall connection of apron subassembly and warp first mouth of stepping down stretches into the cavity of picture frame with the interior wall connection of picture frame, loose axle connecting portion warp the mirror leg opening stretches into the cavity of mirror leg with the interior wall connection of mirror leg.

In some embodiments of the present application, when the temple is reversely bent with respect to the glasses frame, the outer sidewall of the temple abuts against the outer sidewall of the cover plate assembly to limit the reverse bending angle of the temple.

The invention also provides a head-mounted device which comprises the FPC component and the foldable glasses leg component, wherein the FPC component is arranged in the inner cavity of the glasses frame, the first abdicating hole, the accommodating cavity, the second abdicating hole and the inner cavity of the glasses leg in a penetrating manner.

In some embodiments of the present application, a portion of the FPC assembly located within the receiving cavity is bonded to an inner wall of the cover assembly.

In some embodiments of this application, the FPC subassembly includes FPC one section, FPC two-stage process and FPC three-section, FPC one section is located in the inside cavity of mirror frame, the FPC three-section is located in the inside cavity of mirror leg, the FPC two-stage process is worn to locate hold the intracavity, the one end warp of FPC two-stage process first let a mouthful stretch out with FPC one section is connected, the other end warp of FPC two-stage process the second let a mouthful stretch out with the FPC three-section is connected.

Compared with the prior art, the invention has the advantages and positive effects that:

in the disclosed collapsible mirror leg subassembly of this application, connect the rotation that realizes between picture frame and the mirror leg through the rotation between fixed axial region and the activity axial region and be connected, the cover is equipped with first cam and elastic component in the pivot of fixed axial region, be equipped with the second cam on the pivot connecting portion of activity axial region, through first cam, cooperation between second cam and the elastic component, realize that the mirror leg has the trend towards the inboard motion of picture frame when reverse buckling, make the mirror leg can keep certain clamping-force when reverse buckling, in order to improve and wear the comfort level. Meanwhile, the first cam and the second cam are matched, so that the glasses legs have good stop feeling when being bent.

In the disclosed collapsible mirror leg subassembly of this application, support through between mirror leg lateral wall and the apron subassembly lateral wall and realize that the mirror leg is angle when reverse buckling spacing.

In the disclosed head-mounted apparatus of this application, the inside of FPC subassembly wearing to locate the inside cavity of picture frame, apron subassembly holds the inside cavity of chamber and mirror leg in, because the both ends of apron subassembly stretch into the cavity of picture frame and the cavity of mirror leg respectively in, the mirror leg can avoid the FPC subassembly to expose when folding the rotation, improves the reliability of FPC subassembly, and then improves whole head-mounted apparatus's reliability and aesthetic property.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

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

FIG. 1 is a schematic illustration of a foldable temple assembly with temples unfolded according to an embodiment;

FIG. 2 is a schematic illustration of a temple bar in a foldable temple assembly according to an embodiment when folded;

FIG. 3 is an exploded view of a foldable temple assembly according to an embodiment;

FIG. 4 is an exploded view of a hinge assembly in a foldable temple assembly according to an embodiment;

FIG. 5 is a first schematic diagram of a first cam and a second cam of a hinge assembly of a foldable temple assembly according to an embodiment;

FIG. 6 is a second schematic structural view of a first cam and a second cam of a hinge assembly in a foldable temple assembly according to an embodiment;

FIG. 7 is a schematic diagram of a configuration of a hinge assembly in a foldable temple assembly in which a first cam and a second cam are engaged with each other, according to an embodiment;

FIG. 8 is a schematic view of a hinge assembly, a cover assembly and an FPC assembly of a foldable temple assembly, according to an embodiment;

FIG. 9 is a schematic view of the structure of FIG. 8 with the front cover plate and FPC assembly omitted;

FIG. 10 is a schematic view of the FPC assembly assembled with a front cover plate according to an embodiment;

FIG. 11 is a schematic structural view of a back cover plate in a foldable temple assembly according to an embodiment;

FIG. 12 is a schematic diagram of a front cover plate in a foldable temple assembly, according to an embodiment;

FIG. 13 is a schematic view of an assembly configuration of a hinge assembly on a frame side and an FPC assembly on a temple side of a foldable temple assembly according to an embodiment;

FIG. 14 is a schematic view of an assembly configuration of a hinge assembly on a temple side and an FPC assembly on a frame side of a foldable temple assembly according to an embodiment;

FIG. 15 is a schematic view of an assembly configuration of an FPC assembly on a temple side in a foldable temple assembly according to an embodiment;

FIG. 16 is a cross-sectional view of a temple bar in a foldable temple assembly according to an embodiment as unfolded;

FIG. 17 is a cross-sectional view of a temple arm of a foldable temple assembly according to an embodiment folded inward;

fig. 18 is a cross-sectional view of a temple bar being bent outward in a foldable temple bar assembly according to an embodiment.

Reference numerals:

100-a frame, 110-a first cavity, 120-a frame opening, 130-an outer side wall of the frame, 140-an inner side wall of the frame, 150-a second screw column, 160-a fourth screw column;

200-temple, 210-second cavity, 220-temple opening, 221-mounting hole, 230-outer sidewall of temple, 240-inner sidewall of temple, 241-arc, 250-third screw post, 260-fifth screw post;

300-shaft assembly, 310-stationary shaft part, 311-stationary shaft connecting part, 3111-stationary shaft connecting part I, 3112-stationary shaft connecting part II, 3113-second screw hole, 3114-sixth screw hole, 3115-positioning hole, 312-shaft part, 3121-first shaft, 3122-second shaft, 3123-third shaft, 320-movable shaft part, 321-movable shaft connecting part, 3211-movable shaft connecting part I, 3212-movable shaft connecting part II, 3213-third screw hole, 322-shaft connecting part, 3221-second shaft hole, 323-second cam, 3231-second boss, 3232-second boss, 330-elastic member, 340-first cam, 341-first boss, 342-first boss, 343-first shaft hole;

400-locking the nut;

500-cover plate component, 510-back cover plate, 511-first opening, 512-second opening, 513-first screw post, 514-first groove, 515-positioning groove, 516-positioning post, 520-front cover plate, 521-third opening, 522-fourth opening, 523-first screw hole, 524-second groove, 525-positioning rib, 530-containing cavity, 540-first yielding position port, 541-frame side contact surface, 550-second yielding position port, 551-temple side contact surface;

700-FPC assembly, 710-FPC section, 720-FPC section, 730-FPC section, 740-reinforcing plate, 741-fourth screw hole, 742-fifth screw hole, 750-support rib, 760-sponge and 770-connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The foldable glasses leg assembly in the embodiment can be applied to AR/VR/MR and other head-mounted equipment, the glasses legs are foldable, the wearing comfort degree of the head-mounted equipment can be improved, and meanwhile the carrying and the storage of the head-mounted equipment when the head-mounted equipment is not used are facilitated.

Referring to fig. 1 to 3, the foldable temple assembly in the present embodiment mainly includes a frame 100, temples 200, a hinge assembly 300, and the like. Fig. 1 is a schematic view showing a structure of the temples 200 when they are unfolded, and the head-mounted device can be worn on the head of the user. Fig. 2 is a schematic structural view of the folding temple 200, and the head-mounted device is not used, so that the folding temple is convenient to carry and store. Fig. 3 is an exploded view of a foldable temple assembly.

The inner parts of the spectacle frame 100 and the spectacle legs 200 are provided with cavities so as to facilitate the routing of circuits such as FPC components and other functional modules in the head-mounted equipment. The interior cavity of the frame 100 is designated as a first cavity 110 and the interior cavity of the temple 200 is designated as a second cavity 210.

Referring to fig. 4 to 7, the rotary shaft assembly 300 includes a fixed shaft portion 310, a movable shaft portion 320, a first cam 340, and an elastic member 330.

The fixed shaft part 310 comprises a fixed shaft connecting part 311 and a rotating shaft part 312, the movable shaft part 320 comprises a movable shaft connecting part 321 and a rotating shaft connecting part 322, the rotating shaft connecting part 322 is rotatably connected with the rotating shaft part 312, meanwhile, the fixed shaft connecting part 311 is fixedly connected with the glasses frame 100, the movable shaft connecting part 321 is fixedly connected with the glasses legs 200, and then the glasses frame 100 is rotatably connected with the glasses legs 200.

In this embodiment, the fixed shaft connecting portion 311 and the rotating shaft portion 312 are integrally formed, and the movable shaft connecting portion 321 and the rotating shaft connecting portion 322 are integrally formed, so that the processing is convenient, and the structure is reliable.

In this embodiment, the first cam 340 has a first shaft hole 343, and the first cam 340 is disposed on the rotating shaft 312 and can move along the axial direction of the rotating shaft 312. The second cam 323 is disposed on a side of the rotating shaft connecting portion 322 facing the first cam 340, the rotating shaft connecting portion 322 has a second shaft hole 3221, and the rotating shaft portion 312 is disposed in the second shaft hole 3221. The second cam 323 in this embodiment is a concave structure disposed on the top of the rotating shaft connecting portion 322, the second shaft hole 3221 simultaneously penetrates through the second cam 323, and the second cam 323 can rotate around the rotating shaft portion 312. The elastic member 330 is a spring, and is sleeved on the rotation shaft 312.

When the fixed shaft part 310 and the movable shaft part 320 rotate relatively, the first cam 340 can be tightly attached to the second cam 323 under the action of the restoring force of the elastic part 330 to form mutual embedding, so that the temple 200 is fixed at a specific position relative to the frame 100, and the temple 200 is not easy to shake after being folded in place and is more stable.

When the fixed shaft part 310 and the movable shaft part 320 rotate relatively, the first cam 340 and the second cam 323 are not in the mutually embedded position, at this time, the first cam 340 and the second cam 323 push each other along the axial direction of the rotating shaft part 312, the elastic part 330 applies the acting force for tightly attaching the first cam 340 to the second cam 323, because the second cam 323 cannot move up and down, under the action of the elastic part 330 and the first cam 340, the temple 200 has the tendency of moving towards the inner side of the spectacle frame 100, and further the temple 200 keeps a certain clamping force, so that the temple assembly can be adapted to head shapes with different head circumferences to wear, and meanwhile, the wearing comfort is improved.

With continued reference to fig. 4 to 7, the first cam 340 has first protrusions 341 and first recesses 342 arranged at intervals in the circumferential direction thereof, and the second cam 323 has second protrusions 3231 and second recesses 3232 arranged at intervals in the circumferential direction thereof, respectively. The first protrusion 341 and the first recess 342, and the second protrusion 3231 and the second recess 3232 transition with each other in a smooth arc. In the present embodiment, each of the first protruding portion 341, the first recessed portion 342, the second protruding portion 3231, and the second recessed portion 3232 has two.

When the first protrusion 341 is completely inserted into the second depression 3232, the first cam 340 and the second cam 323 are engaged with each other, and the frame 100 and the temples 200 can be fixed at a specific position; when the first convex portion 341 moves from the bottom end to the top end of the second concave portion 3232, the first cam 340 is lifted up, and the elastic member 330 is deformed by force; the first protrusion 341 is movable from the top end to the bottom end of the second recess 3232 by the restoring force of the elastic member 330.

Specifically, when the temple 200 is folded inward, referring to fig. 6, the movable shaft 320 is set to rotate clockwise, and at this time, the first protrusion 341 is partially positioned in the second recess 3232, and one contact surface of the first protrusion 341 abuts against one contact surface of the second protrusion 3231, and the elastic member 330 is compressed by a force; when the movable shaft 320 continues to rotate clockwise, the second protrusion portion 3231 will push up the first protrusion portion 341, and when the first protrusion portion 341 moves to the top end surface of the second protrusion portion 3231, referring to fig. 5, the first cam 340 moves upward to the maximum displacement position, and the compression amount of the elastic member 330 reaches the maximum; when the first protrusion 341 rotates into the second recess 3232, the temple 200 is released, that is, the external force acting on the temple 200 is released, and the first protrusion 341 automatically rotates to be engaged with the second recess 3232 by the restoring force of the elastic member 330, as shown in fig. 7, when the temple 200 is folded into place and fixed thereto.

When the temple 200 is folded to the inboard, when the temple 200 rotates to certain angle, first cam 340 can drive the temple 200 automatically and continue to rotate certain angle and end the position, makes the folding in-process of temple 200 have fine damping effect and end the position and feel, improves user's use and experiences.

If the head circumference of the user is larger, the temple 200 is bent outwards when the user wears the glasses, the movable shaft part 320 rotates anticlockwise when the temple 200 is bent outwards, at this time, the first protrusion part 341 is partially positioned in the second recess part 3232, one side contact surface of the first protrusion part 341 abuts against one side contact surface of the second protrusion part 3231, and the elastic part 330 is compressed under stress; when the designed temple 200 is bent outwards to the maximum angle, the first protruding part 341 does not rotate to the top end face of the second protruding part 3231, at this time, the first protruding part 341 has a tendency of moving downwards towards the second cam 323 under the action of the restoring force of the elastic piece 330, through the mutual contact and extrusion action between the first protruding part 341 and the second protruding part 3231, the movable shaft part 320 has a tendency of rotating clockwise, that is, the temple 200 has a tendency of moving towards the inner side of the frame 100, the temple 200 can have a certain clamping force when bent reversely, and the wearing reliability and comfort of the temple assembly are improved.

In some embodiments of the present application, referring to fig. 3, a frame opening 120 is provided at one end of the frame 100, and the frame opening 140 is in communication with the first cavity 110 of the frame. One end of the temples 200 is provided with a temple opening 220, and the temple opening 220 communicates with the second cavity 210 of the temple. The frame opening 120 is provided to face the temple opening 220. Referring to fig. 13, the fixed shaft connecting portion 311 extends into the first cavity 110 of the frame through the frame opening portion 120 and is fixedly connected to the inner wall of the frame 100. Referring to fig. 14, movable shaft coupling part 321 is inserted into second cavity 210 of temple through temple opening part 220 and is fixedly coupled to the inner wall of temple 200. Most of the fixed shaft connection part 311 and the movable shaft connection part 321 are located in the inner cavities of the frame 100 and the temples 200, thereby preventing the parts from being exposed and easily worn, and contributing to the improvement of the beauty.

In this embodiment, referring to fig. 4 and 13, the fixed shaft connecting portion 311 includes a fixed shaft connecting portion i 31111 and a fixed shaft connecting portion ii 3112, the fixed shaft connecting portion i 3111 is connected to the rotating shaft portion 312, and the fixed shaft connecting portion i 3111 is in a strip shape so as to extend into the first cavity 110 through the frame opening 120. The fixed shaft connecting part ii 3112 is provided with a plurality of second screw holes 3113, the inner wall of the frame 100 is correspondingly provided with a plurality of second screw columns 150, and the second screw holes 3113 and the second screw columns 150 are simultaneously provided with screws in a penetrating manner so as to realize the fixed connection between the fixed shaft connecting part 311 and the frame 100.

In this embodiment, the number of the second screw holes 3113 and the number of the second screw posts 150 are three, and the second screw holes and the second screw posts are distributed in a delta shape, which contributes to improvement of connection stability.

Similarly, referring to fig. 4 and 14, the movable shaft connecting portion 321 includes a movable shaft connecting portion i 3211 and a movable shaft connecting portion ii 3212, the movable shaft connecting portion i 3211 is connected to the rotation shaft connecting portion 322, and the movable shaft connecting portion i 3211 is a long strip structure so as to extend into the second cavity 210 through the temple opening 220. A plurality of third screw holes 3213 are formed in the movable shaft connecting portion ii 3212, a plurality of third screw posts 250 are correspondingly formed in the inner wall of the temple 200, and screws are simultaneously inserted into the third screw holes 3213 and the third screw posts 250 to achieve fixed connection between the movable shaft connecting portion 321 and the temple 200.

In this embodiment, the third screw holes 3213 and the third screw posts 250 are three in number and distributed in a delta shape, which is helpful to improve the connection stability.

In some embodiments of the present application, referring to fig. 4, the rotating shaft portion 312 includes a first rotating shaft 3121, a second rotating shaft 3122, and a third rotating shaft 3123 which are coaxially arranged from top to bottom, and diameters of the first rotating shaft 3121, the second rotating shaft 3122, and the third rotating shaft 3123 are sequentially reduced.

The cross section of the second rotating shaft 3122 is non-circular, the first cam 340 has a non-circular shaft hole matched with the cross section of the second rotating shaft 3122, that is, the first shaft hole 342 is a non-circular shaft hole, and the second rotating shaft 3122 is inserted into the non-circular shaft hole, so that the first cam 340 can move along the axial direction of the second rotating shaft 3122 and cannot rotate around the second rotating shaft 3122. In this embodiment, the cross section of the second rotating shaft 3122 is similar to an ellipse.

The third rotating shaft 3123 is inserted into the second shaft hole 3221, so as to realize the rotational connection between the rotating shaft connecting portion 322 and the third rotating shaft 3123, and a top end surface of the rotating shaft connecting portion 322 is in clearance fit with a bottom end surface of the second rotating shaft 3122, that is, a top end surface of the second cam 323 is in clearance fit with the bottom end surface of the second rotating shaft 3122, so as to facilitate the rotation of the rotating shaft connecting portion 322.

One end of the fixed shaft connecting portion 311 is connected to the first rotating shaft 3121, that is, the fixed shaft connecting portion i 3111 is connected to the first rotating shaft 3121, the elastic member 330 is sleeved on the second rotating shaft 3122, an upper end of the elastic member 330 abuts against a bottom end surface of the first rotating shaft 3121, and a lower end of the elastic member 330 abuts against an upper end surface of the first cam 340. When the first cam 340 is moved upward by the urging of the second cam 323, the elastic member 330 is compressed by a force.

In some embodiments of the present application, the foldable temple assembly further includes a lock nut 400, and the lock nut 400 is provided on the third rotating shaft 3123 to limit the displacement of the rotating shaft connecting part 322 in the axial direction of the third rotating shaft 3123, so that the rotational connection between the fixed shaft part 310 and the movable shaft part 320 is more reliable.

In some embodiments of the present application, the foldable temple assembly further comprises a cover plate assembly 500, and referring to fig. 16, the cover plate assembly 500 is formed with a receiving cavity 530 at an inner portion thereof, a first escape opening 540 is formed at a side of the cover plate assembly 500 adjacent to the frame 100 and extends into the first cavity 110 of the frame through the frame opening 120, and a second escape opening 550 is formed at a side of the cover plate assembly 500 adjacent to the temple 200 and extends into the second cavity 210 of the temple through the temple opening 220.

The cover plate assembly 500 is mainly used for shielding traces of the rotating shaft assembly 300, the FPC assembly 700 and the like, in this embodiment, referring to fig. 3 again, the cover plate assembly 500 is a split structure, and includes a rear cover plate 510 and a front cover plate 520, and a containing cavity 530 is formed inside after the rear cover plate 510 and the front cover plate 520 are buckled.

Referring to fig. 11, a first opening 511 is formed at a side of the rear cover 510 adjacent to the frame 100, and a second opening 512 is formed at a side of the rear cover adjacent to the temple 200. Referring to fig. 12, a front cover 520 has a third opening 521 at a side close to the frame 100 and a fourth opening 522 at a side close to the temple 200. When the rear cover plate 510 is fastened to the front cover plate 520, the first opening 511 and the third opening 521 face each other to form a first relief opening 540, and the second opening 512 and the fourth opening 522 face each other to form a second relief opening 550.

Be equipped with reference column 516 on the back shroud 310, correspond on the fixed axle connecting portion I3111 and be equipped with locating hole 3115, during the installation, wear to locate in locating hole 3115 with reference column 516 earlier, can realize the prepositioning of back shroud 310, the installation of being convenient for.

Be equipped with constant head tank 515 on the back shroud 510, correspond on the front shroud 520 and be equipped with location muscle 525, location muscle 525 card is located in constant head tank 515, realizes the prepositioning lock between back shroud 510 and the front shroud 520, and the installation of being convenient for, and the two faying face is more laminated, and the outward appearance uniformity is good.

The upper and lower both ends of back shroud 510 are equipped with first recess 514 respectively, and the upper and lower both ends of front shroud 520 are equipped with second recess 524 correspondingly, and back shroud 510 and front shroud 520 lock back, and the first recess 514 that is located upper and lower both ends corresponds respectively and forms upper through-hole and lower through-hole with second recess 524. The upper end of the first rotating shaft 3121 penetrates through the upper through hole and is in clearance fit with the upper through hole. The second rotating shaft 3122 is located in the accommodating cavity 530, and the third rotating shaft 3123 penetrates through the lower through hole to be rotatably connected with the rotating shaft connecting portion 322.

The fixed shaft connecting portion 311 is connected to the inner wall of the cover plate assembly 500 and extends into the first cavity 110 of the frame through the first let port 540 to be connected to the inner wall of the frame 100, specifically, referring to fig. 9, the fixed shaft connecting portion i 3111 is fixedly connected to the inner wall of the cover plate assembly 500, the fixed shaft connecting portion i 3111 extends out of the first cavity 110 of the frame through the first let port 540 at the same time, and the fixed shaft connecting portion ii 3112 is fixedly connected to the inner wall of the frame 100 through a screw. The movable shaft coupling part 321 is extended into the second cavity 210 of the temple through the temple opening part 220 to be coupled to the inner wall of the temple 200.

The fixed connection structure between fixed axle connecting portion I3111 and the inner wall of apron subassembly 500 does: be equipped with sixth screw hole 3114 on fixed axle connecting portion I3111, correspond on the inner wall of back shroud 510 and be equipped with first screw post 513, preceding shroud 520 corresponds and is equipped with first screw hole 523, wears to establish the screw in first screw hole 523, sixth screw hole 3114 and the first screw post 513 simultaneously, realizes the lock fastening between back shroud 510 and the preceding shroud 520 on the one hand, and on the other hand realizes the fixed mounting between apron subassembly 500 and the fixed axial region 310.

Referring to fig. 17, when the temples 200 are rotated with respect to the frame 100, the cap assembly 500 is kept still and the temples 200 are rotated with respect to the cap assembly 500. Referring to fig. 3 again, the length of the outer sidewall 230 of the temple is longer than the length of the inner sidewall 240 of the temple, and when the temple 200 is folded inward, the outer sidewall 230 of the temple can shield the second relief opening 550 to prevent the internal components from being exposed. The inner side wall 240 of the temple is provided with a small arc portion 241, and when the temple 200 is bent outwards relative to the frame 100, the arc portion 241 also shields the second relief opening 550 to prevent the internal components from being exposed.

Referring to fig. 3, a mounting hole 221 is formed at the temple opening 220, a lock nut 400 can be disposed in the mounting hole 221, and when the eyeglass frame 100 and the temple 200 rotate relatively, referring to fig. 1 and 2, only the cover plate assembly 500 is exposed, thereby preventing other components from being exposed and easily worn, and improving the aesthetic property of the product.

In some embodiments of the present application, referring to fig. 18, when the temple arm 200 is reversely bent with respect to the frame 100, the outer sidewall 230 of the temple arm abuts against the outer sidewall of the cover plate assembly 500 (specifically, the outer sidewall of the rear cover plate 510) to limit the reverse bending angle of the temple arm 200. That is, when the temple 200 is reversely bent until the outer sidewall 230 of the temple abuts against the outer sidewall of the back cover 510, the first cam 340 and the second cam 323 are in the position relationship shown in fig. 6, and at this time, the first cam 340 has a tendency to move toward the second cam 323 under the action of the elastic member 330, so that the temple 200 has a tendency to move toward the inner side of the frame 100, and the temple 200 can have a certain holding force when reversely bent.

The head-mounted device in this embodiment, such as AR glasses, includes an FPC assembly 700 and the foldable temple assemblies disclosed in the above embodiments. Referring to fig. 16 and 17, the FPC assembly 700 is inserted into the first cavity 110 of the frame, the first abdication port 540, the accommodation cavity 530, the second abdication port 550 and the second cavity 210 of the temple. When the temples 200 rotate relative to the frame 100, the FPC assembly 700 at the first relief opening 540 is not exposed because the first relief opening is located in the first cavity 110; similarly, since the second allowance opening 550 is located in the second cavity 210, when the temple 200 is folded inward, the outer sidewall 230 of the temple shields the second allowance opening 550, and when the temple 200 is bent outward, the arc portion 241 of the temple also shields the second allowance opening 550, so that the FPC assembly 700 is not exposed, the FPC assembly 700 is prevented from being exposed and easily worn, and meanwhile, the appearance is improved.

During folding of the temple 200, the FPC assembly 700 may contact two contact surfaces (designated as frame side contact surfaces 541, especially the contact surfaces near the inner side of the frame) at the first notch 540 and two contact surfaces (designated as temple side contact surfaces 551) at the second notch 550, which are preferably circular arc surfaces, to avoid abrasion of the FPC assembly 700 due to sharp corner structures at the contact surfaces.

In some embodiments of the present application, referring to fig. 10, the portion of the FPC assembly 700 located in the accommodating cavity 530 is bonded to the inner wall of the front cover plate, so that the FPC assembly 700 does not risk being bent and does not move in the accommodating cavity 530 when the temple 200 rotates relative to the frame 100, thereby greatly improving the reliability of the FPC assembly 700.

In some embodiments of the present application, the FPC assembly 700 is a three-section structure, which includes a first FPC section 710, a second FPC section 720 and a third FPC section 730, the first FPC section 710 is disposed in the first cavity 110 of the frame, the third FPC section 730 is disposed in the second cavity 210 of the temple, the second FPC section 720 is inserted into the accommodating cavity 530 and is bonded and fixed with the front cover plate 520, one end of the second FPC section 720 extends out through the first yielding port 540 and is connected with the first FPC section 710 through the connector 770, and the other end of the second FPC section 720 extends out through the second yielding port 550 and is connected with the third FPC section 730 through the connector 770.

The sectional structure facilitates the assembly of the FPC assembly 700, and further improves the reliability of the FPC assembly 700 by only bending the FPC segments 720 along with the temple 200 when the temple 200 rotates.

In this embodiment, referring to fig. 10, 13 and 14, two ends of the FPC two-stage 720 are respectively provided with a reinforcing plate 740, the reinforcing plate 740 located on the side of the frame 100 is provided with a fourth screw hole 741, the reinforcing plate 740 located on the side of the temple 200 is provided with a fifth screw hole 742, the inner wall of the frame 100 and the inner wall of the temple 200 are respectively and correspondingly provided with a fourth screw column 160 and a fifth screw column 260, and screws are inserted between the fourth screw hole 741 and the fourth screw column 160, and between the fifth screw hole 742 and the fifth screw column 260, so that the fixing and mounting structures of the two ends of the FPC two-stage 720 are more stable.

In this embodiment, the mounting structure of the FPC section 710 in the first cavity 110 of the frame is the same as the mounting structure of the FPC section 730 in the second cavity 210 of the temple, and the FPC section 730 is taken as an explanation in this embodiment. Referring to fig. 15, a support rib 750 and a sponge 760 are arranged on the inner wall of the temple 200, the support rib 750 abuts against the inner wall of the temple 200, the sponge 760 abuts against the support rib 750, the end of the FPC three-section 730 abuts against the sponge 760, the end of the FPC three-section 730 is further provided with a connector 770, the support rib 750, the sponge 760 and the connector 770 are located between the two fifth screw posts 260, and a reinforcing plate 740 at the end of the FPC two-section 720 is fixedly arranged on the fifth screw posts 260 by screws, so that the end of the FPC two-section 720, the end of the FPC three-section 730 and the connector 770 can be in contact connection with each other more reliably.

As can be seen from fig. 13 and 14, the fixed shaft connecting part ii 3112 and the FPC section 710 are disposed on two opposite side walls inside the frame 100, the movable shaft connecting part ii 3212 and the FPC section 730 are disposed on two opposite side walls inside the temple 200, and the fixed shaft connecting part ii 3112 and the movable shaft connecting part ii 3212 are located on different sides. In this embodiment, the fixed shaft connecting portion ii 3112 is disposed on the outer side wall 130 of the frame, one section 710 of FPC is disposed on the inner side wall 140 of the frame, the movable shaft connecting portion ii 3212 is disposed on the inner side wall 240 of the temple, the three sections 730 of FPC are disposed on the outer side wall 230 of the temple, so as to be disposed, so that the two sections 720 of FPC can extend out to the second cavity 210 from the second abdicating opening 550 after entering the accommodating cavity 530 through the first abdicating opening 540, thereby avoiding interference of the fixed shaft connecting portion ii 3112 and the movable shaft connecting portion ii 3212 on wiring of the two sections 720 of FPC, and facilitating the installation of the FPC assembly 700.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A foldable temple assembly comprising a frame and temple arms, said frame and temple arms each having a cavity therein, further comprising:

the rotating shaft assembly comprises a fixed shaft part, a movable shaft part, a first cam and an elastic part, wherein the first cam is provided with a first convex part and a first concave part which are arranged at intervals along the circumferential direction of the first cam;

the fixed shaft part comprises a fixed shaft connecting part and a rotating shaft part, the first cam is arranged on the rotating shaft part in a penetrating mode and can move along the axial direction of the rotating shaft part, and the fixed shaft connecting part is fixedly connected with the mirror frame;

the movable shaft part comprises a movable shaft connecting part and a rotating shaft connecting part, a second cam is arranged on the rotating shaft connecting part, the second cam penetrates through the rotating shaft part and can rotate around the rotating shaft part, the movable shaft connecting part is fixedly connected with the glasses legs, and the second cam is correspondingly provided with a second protruding part and a second sunken part which are arranged at intervals along the circumferential direction of the second cam;

the elastic piece is sleeved on the rotating shaft part;

when the fixed shaft part and the movable shaft part are relatively rotated, the first bulge part can be embedded into the second depression part, and the first cam and the second cam are mutually embedded so as to fix the glasses leg at a specific position relative to the glasses frame;

the fixed shaft part and the movable shaft part can also make the first bulge move towards the top end from the bottom end of the second sunken part when rotating relatively, the first cam and the second cam push against each other along the axial direction of the rotating shaft part, the first cam is jacked up, the elastic part is stressed and deformed, at the moment, the elastic part applies an acting force which enables the first cam to be tightly attached to the second cam, and the first bulge can move towards the bottom end from the top end of the second sunken part under the action of a resetting force of the elastic part.

2. The foldable temple assembly of claim 1,

one end of the glasses frame is provided with a glasses frame opening part, one end of each glasses leg is provided with a glasses leg opening part, and the glasses frame opening part and the glasses leg opening parts are arranged oppositely;

the fixed shaft connecting part extends into the inner cavity of the mirror frame through the mirror frame opening part and is fixedly connected with the mirror frame;

the loose axle connecting portion warp the mirror leg opening stretches into extremely the inside cavity of mirror leg with mirror leg fixed connection, be equipped with the shaft hole on the pivot connecting portion, pivot portion rotationally wears to locate in the shaft hole.

3. The foldable temple assembly of claim 2,

the rotating shaft part comprises a first rotating shaft, a second rotating shaft and a third rotating shaft which are sequentially arranged from top to bottom and are coaxial, and the diameters of the first rotating shaft, the second rotating shaft and the third rotating shaft are sequentially reduced;

the cross section of the second rotating shaft is non-circular, the first cam is provided with a non-circular shaft hole matched with the cross section of the second rotating shaft, and the second rotating shaft is arranged in the non-circular shaft hole in a penetrating mode so that the first cam can move along the axial direction of the second rotating shaft;

the rotating shaft connecting part is rotatably connected with the third rotating shaft, and the top end surface of the rotating shaft connecting part is in clearance fit with the bottom end surface of the second rotating shaft;

one end of the fixed shaft connecting part is connected with the first rotating shaft, the elastic piece is sleeved on the second rotating shaft, the upper end of the elastic piece is abutted against the bottom end face of the first rotating shaft, and the lower end of the elastic piece is abutted against the upper end face of the first cam.

4. The foldable temple assembly of claim 3,

and the third rotating shaft is also provided with a locking nut so as to limit the displacement of the rotating shaft connecting part along the axial direction of the third rotating shaft.

5. The foldable temple assembly of claim 3, wherein said foldable temple assembly further comprises:

the glasses frame comprises a glass frame, a cover plate assembly and a glasses leg, wherein an accommodating cavity is formed in the cover plate assembly, a first yielding port is formed in the side, close to the glasses frame, of the cover plate assembly and extends into the cavity of the glasses frame through the opening of the glasses frame, a second yielding port is formed in the side, close to the glasses leg, of the cover plate assembly and extends into the cavity of the glasses leg through the opening of the glasses leg, an upper through hole is formed in the top of the cover plate assembly, and a lower through hole is formed in the bottom of the cover plate assembly;

first pivot is worn to be located go up in the through-hole and with go up through-hole clearance fit, the second pivot is located hold the intracavity, the third pivot is followed the through-hole stretch out down with pivot connecting portion rotate to be connected, fixed axle connecting portion with the interior wall connection of apron subassembly and warp first mouth of stepping down stretches into the cavity of picture frame with the interior wall connection of picture frame, loose axle connecting portion warp the mirror leg opening stretches into the cavity of mirror leg with the interior wall connection of mirror leg.

6. The foldable temple assembly of claim 5,

when the glasses legs are reversely bent relative to the glasses frame, the outer side walls of the glasses legs abut against the outer side walls of the cover plate assemblies to limit the reverse bending angles of the glasses legs.

7. Head-mounted apparatus, characterized in that, includes FPC subassembly and collapsible mirror leg subassembly of claim 5 or 6, FPC subassembly wears to locate the inside cavity of frame, first let a mouthful, hold the chamber, the second lets a mouthful and in the inside cavity of mirror leg.

8. The headset of claim 7,

and the part of the FPC assembly positioned in the accommodating cavity is bonded with the inner wall of the cover plate assembly.

9. The headset of claim 7,

the FPC subassembly includes FPC one section, FPC two-section and FPC three-section, FPC one section is located in the inside cavity of mirror frame, the FPC three-section is located in the inside cavity of mirror leg, the FPC two-section is worn to locate hold the intracavity, the one end warp of FPC two-section first the mouth of stepping down stretch out with FPC one section is connected, the other end warp of FPC two-section the second is stepped down the mouth and is stretched out with the FPC three-section is connected.