CN114924417B

CN114924417B - Frame structure and AR glasses

Info

Publication number: CN114924417B
Application number: CN202210599577.3A
Authority: CN
Inventors: 李传龙; 张锋
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2024-02-02
Anticipated expiration: 2042-05-30
Also published as: CN114924417A

Abstract

The application discloses a frame structure and AR glasses, the frame structure includes preceding shell, backshell, ray apparatus module and a set of subassembly of making a video recording, and ray apparatus module includes ray apparatus support and a set of optical prism subassembly, and the ray apparatus support includes middle part and two tip, has the rib between arbitrary tip and the middle part; wherein, two rib portions are located respectively to a set of optical prism subassembly, and two tip are located respectively to a set of subassembly of making a video recording, and the backshell is connected at the middle part, and preceding shell is connected to the backshell, and middle part and two rib portions are connected to preceding shell, and preceding shell and two tip are all not connected. The frame body structure can ensure that the camera shooting assembly does not deform and displace; simultaneously, bind preceding shell, backshell, optical machine module together, can improve whole rigidity and intensity to can resist great moment of torsion, and then reduce the possibility that frame body structure internals warp.

Description

Frame structure and AR glasses

Technical Field

The application relates to the technical field of intelligent electronic equipment, in particular to a frame structure, and the application also relates to AR glasses with the frame structure.

Background

Currently, in order to facilitate wearing and use of AR products, more and more AR products are designed into a glasses form.

In the prior art, the glasses leg of the AR glasses generally has a bendable function, even some products often increase a large-angle eversion function for increasing wearing suitability, meanwhile, for long-time wearing comfort, the weight requirement of the AR glasses is lighter, the size, the materials and the wall thickness of the parts can be greatly reduced, the strength of the individual parts can be greatly reduced, and the position change degree of some optical components such as 2 optical machine module optical prisms and 2 6DOF cameras (Camera assemblies with six degrees of freedom) has extremely high requirement on the deformation of the parts in the use process of the products, and the deformation can directly influence the binocular fusion imaging effect and the imaging position of the optics. Therefore, according to the above-mentioned problems, it is necessary for those skilled in the art to provide AR glasses in good time, which can ensure the overall strength and rigidity while ensuring the weight reduction, and prevent the position of the optical device from being changed during the movement of the temples and when being worn by different persons, as compared with the conventional design.

Disclosure of Invention

The purpose of this application is to provide a framework structure, can guarantee bulk strength and rigidity to avoid influencing optical imaging effect. Another object of the present application is to provide AR glasses including the above frame structure.

In order to achieve the above objective, the present application provides a frame structure, including a front shell, a rear shell, an optical machine module and a group of camera shooting assemblies, wherein the optical machine module includes an optical machine bracket and a group of optical prism assemblies, the optical machine bracket includes a middle part and two end parts, and a rib is arranged between any one end part and the middle part;

the optical prism components are respectively arranged at the two rib parts, the camera components are respectively arranged at the two end parts, the middle part is connected with the rear shell, the rear shell is connected with the front shell, the front shell is connected with the middle part and the two rib parts, and the front shell is not connected with the two end parts.

In some embodiments, the camera assembly further comprises a first bracket and a second bracket, and the group of camera assemblies comprises two camera assemblies which are fixedly connected to the two end parts through the first bracket and the second bracket respectively.

In some embodiments, the two camera modules are respectively connected with the first bracket and the second bracket through the elastic pad with glue after being positioned and matched, and the frame body structure further comprises:

the first positioning structure is respectively arranged at the first bracket and one of the end parts and is used for positioning the first bracket at one of the end parts;

the first connecting piece is used for connecting the first bracket with one end part;

the second positioning structure is respectively arranged at the second bracket and the other end part and is used for positioning the second bracket at the other end part;

and the second connecting piece is used for connecting the second bracket with the other end part.

In some embodiments, further comprising:

a PCB board;

the first positioning assembly is respectively arranged at the PCB and the middle part and is used for positioning the PCB at the middle part;

the first fixing piece is connected with the PCB and the middle part and is used for fixing the PCB on the optical machine bracket;

the second fixing piece penetrates through the middle part and the PCB and is connected with the rear shell, and the second fixing piece is used for fixing the PCB and the optical machine bracket on the rear shell.

In some embodiments, the optical machine bracket further comprises a third fixing piece, wherein the middle part of the third fixing piece is provided with a protrusion protruding out of the PCB, and the third fixing piece penetrates through the protrusion and is connected with the rear shell so as to fix the optical machine bracket to the rear shell.

In some embodiments, further comprising:

the second positioning assembly is respectively arranged on the front shell and the rib and is used for positioning the front shell and the optical machine bracket;

two groups of fourth fixing pieces, one group of fourth fixing pieces penetrate through the front shell and are connected with the middle part, and the other group of fourth fixing pieces penetrate through the front shell and are connected with the rib parts so as to fix the front shell on the optical machine support.

In some embodiments, further comprising:

the third positioning component is respectively arranged on the front shell and the rear shell and is used for positioning the front shell and the rear shell;

the snap-fit female component is respectively arranged on the front shell and the rear shell and is used for buckling the front shell and the rear shell;

and a fifth fixing member passing through the front case and connected to the rear case for fixing the front case to the rear case.

In some embodiments, either rib is provided with two locating faces for locating the optical prism assembly, each locating face being co-planar;

the two positioning surfaces of any rib are provided with first positioning columns, and any optical prism component is provided with two first positioning grooves which are respectively matched with the two first positioning columns in a positioning way.

In some embodiments, the middle portion, each end portion, each rib portion, the middle portion and each end portion, and the middle portion and each rib portion are provided with reinforcing ribs.

The application also provides an AR glasses, comprising:

two temples;

a frame structure as in any one of the above;

wherein, two mirror legs are connected in the both ends of backshell respectively, and the cross-section of backshell is the U type.

Compared with the background art, the frame structure provided by the embodiment of the application comprises a front shell, a rear shell, an optical machine module and a group of camera shooting assemblies, wherein the optical machine module comprises an optical machine support and a group of optical prism assemblies, the optical machine support comprises a middle part and two end parts, and a rib is arranged between any one end part and the middle part; wherein, two rib portions are located respectively to a set of optical prism subassembly, and two tip are located respectively to a set of subassembly of making a video recording, and the backshell is connected at the middle part, and preceding shell is connected to the backshell, and middle part and two rib portions are connected to preceding shell, and preceding shell and two tip are all not connected.

It should be noted that, because a larger torque is generated on two sides of the rear shell when the temple is bent for use, the torque forces the rear shell to deform, and the deformation path is as follows: in order to ensure that the camera shooting assembly does not deform and displace, firstly, the force transmitted by the front shell needs to be prevented from being transmitted to the optical machine support, and at the moment, the fixed relation between the front shell and the optical machine support is released at the installation position of the camera shooting assembly, namely, the frame body structure is designed to be that the rear shell is connected with the front shell, the front shell is connected with the middle part and the two rib parts, and the front shell is not connected with the two end parts, so that the optical machine support cannot deform at the installation position of the camera shooting assembly; meanwhile, a group of optical prism components are respectively arranged on two rib parts of the optical machine support, the rear shell is connected with the front shell, the front shell is connected with the middle part of the optical machine support and the two rib parts, and the middle part of the optical machine support is connected with the rear shell, so that the front shell, the rear shell and the optical machine module can be bound together, the overall rigidity is improved, and the possibility of deformation caused by large torque is resisted.

Thus, compared with the frame structure of the conventional AR glasses, the frame structure provided in the embodiment of the present application can bring the following beneficial effects:

the camera shooting assembly comprises a camera shooting assembly, a front shell, a rear shell, a front shell and a rear shell, wherein the camera shooting assembly is arranged at two end parts of a light machine support respectively;

the optical prism components are respectively arranged on the two rib parts of the optical machine support, the optical machine module is used as an integral module, the rear shell is connected with the front shell, the front shell is connected with the middle part of the optical machine support and the two rib parts, the middle part of the optical machine support is connected with the rear shell, and therefore the front shell, the rear shell and the optical machine module can be bound together, the integral rigidity and the strength are improved, larger torque can be resisted, and the possibility of deformation of internal components of the frame body structure is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is an exploded view of AR glasses in an embodiment of the present application;

FIG. 2 is a schematic diagram of a carriage of the carriage module of FIG. 1;

FIG. 3 is a schematic view illustrating another angle of the optical bench module of FIG. 1;

FIG. 4 is a schematic diagram illustrating a processing of the carriage module of FIG. 1;

FIG. 5 is a schematic diagram illustrating an assembling structure of the optical engine module in FIG. 1;

FIG. 6 is a schematic view of an alternative angle assembly of the optical engine module of FIG. 1;

FIG. 7 is a schematic diagram of the overall structure of the optical engine module in FIG. 1;

FIG. 8 is a schematic diagram illustrating an assembly structure of the optical engine module and the camera module in FIG. 1;

FIG. 9 is a schematic view of an assembly structure of a camera module and a first bracket shown in FIG. 8;

FIG. 10 is a schematic view of an assembly structure of the camera module and the second bracket shown in FIG. 8;

FIG. 11 is a schematic cross-sectional view of the optical engine module and the camera module after assembly;

fig. 12 is a schematic structural view of the PCB board in fig. 1;

fig. 13 is a schematic diagram of an assembly structure of the PCB board and the optical machine bracket in fig. 1;

FIG. 14 is a schematic view of the rear housing of FIG. 1;

FIG. 15 is a side view of FIG. 14;

FIG. 16 is a schematic view of the front shell of FIG. 1;

FIG. 17 is a schematic diagram illustrating an assembled structure of the optical engine module and the rear housing in FIG. 1;

FIG. 18 is a schematic view of an assembled structure of the optical engine module, the rear housing and the front housing in FIG. 1;

FIG. 19 is a schematic diagram of the stress of the opto-mechanical module;

FIG. 20 is a schematic view of the outer expansion of the temple of AR glasses in an embodiment of the present application;

FIG. 21 is a schematic view of an assembled structure of a temple and a back case of AR glasses according to an embodiment of the present application;

fig. 22 is a schematic diagram showing the up-down torsion of the temple in the AR glasses according to the embodiment of the present application.

Wherein:

1-front shell, 2-optical module, 3-camera module, 4-first bracket, 5-rear shell 6-first glasses legs, 7-second glasses legs, 8-second supports and 9-PCB boards;

11-a second positioning groove, 12-a buckling groove, 13-a third positioning groove, 14-a stator buckle 15-front shell and optical machine bracket fixing holes and 16-front shell and rear shell fixing holes;

the light machine comprises a 21-light machine support, a 201-middle part, a 202-rib part, a 203-end part, a 211-positioning surface, a 212-first positioning column, a 2131-first reinforcing rib, a 2132-second reinforcing rib, a 2133-third reinforcing rib, a 2134-fourth reinforcing rib, a 2135-fifth reinforcing rib, a 214-first screw hole, a 215-first positioning hole, a 216-first screw column, a 217-second positioning column, a 2181-positioning connecting hole, a 2182-fixed connecting hole and a 219-limiting structure;

22-an optical prism assembly, 221-a first positioning groove and 222-a display screen;

231-second screw holes, 232-second screw posts;

31-positioning protrusions, 32-elastic pads with rubber and 33-limiting surfaces;

41-a first positioning groove, 42-a first connecting hole and 43-a third positioning column;

51-fifth positioning columns, 52-third screw columns, 53-fourth screw columns, 54-fixed female buckles, 55-fixed buckles and 56-rear shell positioning and fixing structures;

61-a first positioning and fixing structure;

71-a second positioning and fixing structure;

81-a second positioning groove, 82-a second connecting hole and 83-a fourth positioning column;

91-IMU chip, 92-third screw hole 93-second positioning holes.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.

Referring to fig. 1-3, the frame structure provided in the embodiments of the present application includes a front case 1, a rear case 5, an optical module 2, and a group of camera modules 3, where the optical module 2 includes an optical module support 21 and a group of optical prism modules 22, and the optical module support 21 includes a middle portion 201 and two end portions 203, and a rib 202 is provided between any one of the end portions 203 and the middle portion 201; wherein, a set of optical prism subassembly 22 locates two rib 202 respectively, and a set of subassembly 3 locates two tip 203 respectively, and backshell 5 is connected to middle part 201, and backshell 1 is connected to backshell 5, and middle part 201 and two rib 202 are connected to preceding shell 1, and preceding shell 1 and two tip 203 are all not connected.

It should be noted that, since a larger torque is generated on both sides of the rear case 5 when the temple is folded for use, the torque forces the rear case 5 to deform, and the deformation path is as follows: in order to ensure that the camera module 3 does not deform and displace, the rear housing 5, the front housing 1, the optical machine support 21 and the camera module 3 need to prevent the force transmitted by the front housing 1 from being transmitted to the optical machine support 21, and at this time, the fixed relationship between the front housing 1 and the optical machine support 21 is released at the installation position of the camera module 3, that is, the frame structure is designed to be that a group of camera modules 3 are respectively arranged at two end portions 203 of the optical machine support 21, the rear housing 5 is connected with the front housing 1, the front housing 1 is connected with the middle portion 201 and the two rib portions 202, and the front housing 1 is not connected with the two end portions 203, so that the deformation of the optical machine support 21 at the installation position of the camera module 3 is not caused.

In addition, a group of optical prism assemblies 22 are respectively arranged at two rib parts 202 of the optical machine support 21, the rear shell 5 is connected with the front shell 1, the front shell 1 is connected with the middle part 201 of the optical machine support 21 and the two rib parts 202, the middle part 201 of the optical machine support 21 is connected with the rear shell 5, so that the front shell 1, the rear shell 5 and the optical machine module 2 can be bound together, the overall rigidity is improved, and the possibility of deformation caused by large torque is reduced.

In this way, compared with the frame structure of the conventional AR glasses, in the frame structure provided in the embodiment of the present application, on one hand, a group of the camera modules 3 are respectively disposed at two end portions 203 of the optical machine support 21, the front shell 1 is connected with the middle portion 201 and two rib portions 202 of the optical machine support 21, and the rear shell 5, and the front shell 1 is not connected with the two end portions 203 of the optical machine support 21, so that the force transmitted to the front shell 1 due to the deformation of the rear shell 5 is not transmitted to the two end portions 203 of the optical machine support 21, that is, the fixed relationship between the front shell 1 and the optical machine support 21 is released at the mounting position of the camera module 3, so as to ensure that the camera modules 3 do not deform and displace; on the other hand, a group of optical prism assemblies 22 are respectively arranged on two rib parts 202 of the optical machine support 21, the optical machine module 2 is used as an integral module, the rear shell 5 is connected with the front shell 1, the front shell 1 is connected with the middle part 201 of the optical machine support 21 and the two rib parts 202, the middle part 201 of the optical machine support 21 is connected with the rear shell 5, and therefore the front shell 1, the rear shell 5 and the optical machine module 2 can be bound together, integral rigidity and strength are improved, larger torque can be resisted, and the possibility of deformation of internal components of a frame body structure is reduced.

In addition, the frame structure further comprises a PCB 9, and the PCB 9 is disposed in the middle 201 of the optical bench support 21.

It should be noted that, in order to ensure the overall strength and rigidity of the frame structure, during assembly, a group of camera modules 3 are respectively connected by two bracket combinations, and then the whole is respectively fixed on two end portions 203 of the optical machine bracket 21; the PCB 9 is initially fixed in the middle 201 of the optical machine support 21, and then is fixed on the rear shell 5 together with the optical machine module 2; the optical machine module 2 is integrally fixed on the rear shell 5, and the front shell 1 is connected with the optical machine module 2 and then connected with the rear shell 5.

In this way, the overall strength and rigidity of the structural part of the AR glasses frame body can be ensured, and meanwhile, after the first glasses leg 6 and the second glasses leg 7 of the AR glasses are folded to generate torsion, the frame body structure cannot be deformed, so that the position precision of the optical component of the frame body structure is ensured, and the product use requirement is met.

Referring to fig. 2-7, in some embodiments, to ensure the installation accuracy of the optical prism assembly 22, any rib 202 is provided with two positioning surfaces 211 for positioning the optical prism assembly 22, where each positioning surface 211 is coplanar; and the two positioning surfaces 211 of any rib 202 are respectively provided with a first positioning column 212, and any optical prism assembly 22 is provided with two first positioning grooves 221 which are respectively matched with the two first positioning columns 212 in a positioning way.

The group of optical prism assemblies 22 includes 2 optical prism assemblies 22, and the installation and assembly flow of the 2 optical prism assemblies 22 is as follows:

1) The 2 optical prism assemblies 22 are firstly mounted on the optical machine support 21 through 8 screws, the mounting position of each optical prism assembly 22 is required to have high precision, and the flatness of 4 positioning surfaces 211 at the fixing position of the optical machine support 21 is required to be very high so as to meet the requirement of assembly precision; meanwhile, the structure of the installation part of the optical machine support 21 is required to have high strength and rigidity, so that the optical machine support is not easy to deform;

2) 2 displays 222 are installed and AA adjustment binocular imaging is performed.

It should be noted that, the optical machine bracket 21 is made of a light alloy material with low density, high specific stiffness and high specific strength by die casting, so that the cost and the weight can be simultaneously saved; in order to ensure the high-requirement flatness of the 4 positioning surfaces 211 at the fixing position of the optical machine support 21, the 4 positioning surfaces 211 protrude a large plane by a certain size during part design, the flatness is ensured by CNC processing after die casting, and the flatness is ensured by processing 4 raised facets more easily, as shown in fig. 4.

In addition, the optical machine support 21 is provided with a first reinforcing rib 2131 and a second reinforcing rib 2132 at the middle section of the 2 optical prism assemblies 22, wherein the first reinforcing rib 2131 is arranged at the front side of the optical machine support 21 and is connected with the middle 201 and the rib 202 at the two sides, the first reinforcing rib 2131 is an omega-shaped reinforcing rib, the second reinforcing rib 2132 is arranged at the rear side of the optical machine support 21, the first reinforcing rib 2131 and the second reinforcing rib 2132 are used for reinforcing the overall strength and the rigidity of the middle section of the optical machine support 21, so that the section cannot deform due to torque generated by the outer stretching of the glasses leg, and the position accuracy of the 2 optical prism assemblies 22 is prevented from being influenced; at the same time, the PCB 9 is fixed on the optical machine bracket 21 through screws to form a whole, so that the strength and rigidity of the whole can be enhanced.

In order to further strengthen the overall strength of the optical bench support 21, the rib 202 is provided with a fifth reinforcing rib 2135 for reinforcing the strength of the joint of the rib 202, and the optical prism assembly 22 is fixed by 4 screws to form a whole, so that the strength is higher, and the problem of the strength of a single module is effectively solved.

Referring to fig. 5-11, in some embodiments, a set of camera modules 3 includes two camera modules 3, and in order to ensure the installation accuracy of the two camera modules 3, the frame structure further includes a first bracket 4 and a second bracket 8, where the two camera modules 3 are fixedly connected to two end portions 203 through the first bracket 4 and the second bracket 8, respectively, in other words, one camera module 3 is combined with the first bracket 4 and then fixed to one end portion 203, and the other camera module 3 is combined with the second bracket 8 and then fixed to the other end portion 203.

Specifically, the two camera modules 3 are respectively connected with the first bracket 4 and the second bracket 8 through the rubber elastic pad 32 after being matched with each other in a positioning manner, namely, the first bracket 4 is connected with one of the camera modules 3 through the rubber elastic pad 32 after being matched with the other camera module 3 in a positioning manner, and the second bracket 8 is connected with the other camera module 3 through the rubber elastic pad 32 after being matched with each other in a positioning manner.

Further, the frame structure further comprises a first positioning structure, a first connecting piece, a second positioning structure and a second connecting piece, wherein the first positioning structure is respectively arranged on the first bracket 4 and one of the end portions 203, and the first positioning structure is used for positioning the first bracket 4 on one of the end portions 203; the first connector connects the first bracket 4 with one of the ends 203; the second positioning structure is respectively arranged on the second bracket 8 and the other end 203, and is used for positioning the second bracket 8 on the other end 203; the second connection connects the second bracket 8 with the other end 203.

Of course, according to the actual needs, the above-mentioned elastic pad 32 with rubber is compressed foam with rubber, the first positioning structure and the second positioning structure are combined positioning structures of the positioning hole and the positioning column, and the first connecting piece and the second connecting piece are screws.

More specifically, the first bracket 4 is provided with a first positioning groove 41, the second bracket 8 is provided with a second positioning groove 81, both camera modules are provided with positioning protrusions 31, after the positioning protrusions 31 of one camera module 3 and the first positioning groove 41 of the first bracket 4 form fine positioning, and after the positioning protrusions 31 of the other camera module 3 and the second positioning groove 81 of the second bracket 8 form fine positioning, the two camera modules are fixed through the glued compressed foam; the first bracket 4 is provided with a plurality of third positioning columns 43, the second bracket 8 is provided with a plurality of fourth positioning columns 83, both end parts 203 are provided with a plurality of positioning connecting holes 2181 and a plurality of fixing connecting holes 2182, the positioning and the matching of the third positioning columns 43 and the positioning connecting holes 2181 are used for realizing the precise positioning and the assembly of the first bracket 4 and one end part 203, and the positioning and the matching of the fourth positioning columns 83 and the positioning connecting holes 2181 are used for realizing the precise positioning and the assembly of the second bracket 8 and the other end part 203; the first bracket 4 and the second bracket 8 are respectively provided with a first connecting hole 42 and a second connecting hole 82, and are connected with the first connecting hole 42 (screw hole) and the fixed connecting hole 2182 (screw hole) through a first connecting piece (screw) to fix the first bracket 4 with one of the end portions 203, and are connected with the second connecting hole 82 and the fixed connecting hole 2182 through a second connecting piece to fix the second bracket 8 with the other end portion 203.

In short, the combined structure of one of the camera modules 3 and the first bracket 4 and the combined structure of the other camera module 3 and the second bracket 8 can be firmly and reliably fixed on the optical machine bracket 21 through three screws, and meanwhile, the dimensional error of the camera module 3 is adjusted through the glued compressed foam, so that the precise positioning and fixing are realized.

Of course, the optical machine bracket 21 may also be provided with a limiting structure 219, and correspondingly, the camera assembly 3 is provided with a limiting surface 33, and the limiting surface 33 is matched with the limiting structure 219 to achieve the purpose of limiting the camera assembly 3 when the camera assembly 3 is assembled.

In addition, in order to prevent deformation caused by external force at the positions where the camera modules 3 are mounted at two ends of the optical bench 21, the optical bench 21 is specifically designed with a third reinforcing rib 2133 and a fourth reinforcing rib 2134 for reinforcing the structural strength of two ends of the optical bench 21, reducing the possibility of deformation, and ensuring the position accuracy of the 2 camera modules 3 in the use process of the glasses, as shown in fig. 3.

Referring to fig. 12-19 together, in some embodiments, the PCB 9 includes an IMU chip 91, and since the AR glasses determine real-time position information of the user through the image capturing assembly 3 and the IMU chip 91 of the PCB 9 together, a functional unit is provided for interactive use of the user in the virtual environment, and the system level may require that the mutual positions of the image capturing assembly 3 and the IMU chip 91 of the PCB 9 cannot be moved or the moving range is within the range of the system calculation error during the product use. Therefore, it is necessary to ensure the mounting accuracy of the PCB 9 and the set of camera modules 3.

In some embodiments, to ensure the mounting accuracy of the PCB 9, the PCB 9 is initially fixed to the middle 201 of the optical bench 21, and then fixed to the rear housing 5 together with the optical bench module 2.

Specifically, the frame structure further includes a first positioning component, a first fixing piece and a second fixing piece, where the first positioning component is separately disposed on the PCB 9 and the middle 201, and the first positioning component is used for positioning the PCB 9 in the middle 201; the first fixing piece is used for fixing the PCB 9 to the optical machine bracket 21; the second fixing piece passes through the middle part 201 and is connected with the PCB 9 and the rear shell 5, and the second fixing piece is used for fixing the PCB 9 and the optical machine bracket 21 to the rear shell 5.

Of course, according to actual needs, the first positioning assembly is a combination of a positioning hole and a positioning column, and the first fixing piece and the second fixing piece are screws.

The PCB 9 is provided with a set of third screw holes 92 and a set of second positioning holes 93, and the middle 201 is provided with a set of first screw posts 216 matched with the set of third screw holes 92 and a set of second positioning posts 217 matched with the set of second positioning holes 93; a set of first screw posts 216 are connected by a set of screws to preliminarily fix the PCB 9 to the opto-mechanical bracket 21.

Further, the rear housing 5 is provided with a set of third screw columns 52, the middle 201 is provided with a set of first screw holes 214, the set of first screw holes 214 are matched with a set of second positioning columns 217 and a set of third screw columns 52, and the set of third screw columns 52 are connected after passing through the set of first screw holes 214 and the set of second positioning columns 217 through a set of screws, so that the PCB 9 and the optical machine support 21 are commonly connected to the rear housing 5.

Further, in order to facilitate the fixation of the optical machine support 21 to the rear housing 5, the frame structure further includes a third fixing member, which is a screw, the middle portion 201 is provided with a protrusion protruding out of the PCB board 9, and the third fixing member passes through the protrusion and is connected to the rear housing 5, so as to fix the optical machine support 21 to the rear housing 5. Specifically, the rear housing 5 is further provided with another set of third screw columns 52, the protrusion of the middle portion 201 is further provided with another set of first screw holes 214, and one set of screws penetrate through the another set of first screw holes 214 to connect the another set of third screw columns 52, so as to realize that the optical machine bracket 21 is connected to the rear housing 5.

In addition, in order to further improve the positioning accuracy of the optical bench support 21 and the rear housing 5, a set of fifth positioning posts 51 are further disposed inside a set of third screw posts 52 located at the top of the rear housing 5, and the fifth positioning posts 51 are configured to be in positioning fit with first positioning holes 215 on two protrusions of the optical bench support 21, and the two first positioning holes 215 are located inside the two first screw holes 214.

In some embodiments, in order to facilitate the positioning connection between the front housing 1 and the optical engine support 21, the frame structure further includes a second positioning component and two sets of fourth fixing pieces, where the second positioning component is separately provided on the front housing 1 and the rib 202, and the second positioning component is used to position the front housing 1 and the optical engine support 21; one set of fourth fasteners passes through the front housing 1 and connects to the middle portion 201, and the other set of fourth fasteners passes through the front housing 1 and connects to the rib 202 to secure the front housing 1 to the opto-mechanical bracket 21.

Of course, according to actual needs, the second positioning component is a combination of a positioning groove and a positioning column, and the fourth fixing piece is a screw.

Specifically, the front shell 1 is provided with a group of second positioning grooves 11 and two groups of front shell and optical machine bracket fixing holes 15, the middle part 201 is provided with a group of second screw holes 231, the rib 202 is provided with a group of second screw columns 232, and the group of second positioning grooves 11 are matched with the group of second screw columns 232 to position the front shell 1 and the optical machine bracket 21; after the front shell 1 and the optical machine support 21 are positioned, a group of screws penetrate through a group of front shell and optical machine support fixing holes 15 and then are connected with a group of second screw columns 232, and another group of screws penetrate through another group of front shell and optical machine support fixing holes 15 and then are connected with a group of second screw holes 231, so that the front shell 1 and the optical machine support 21 are fixedly connected.

In some embodiments, in order to facilitate the positioning connection between the front shell 1 and the rear shell 5, the frame structure further includes a third positioning component, a snap-fit sub-component and a fifth fixing component, where the third positioning component is separately provided on the front shell 1 and the rear shell 5 and is used for positioning the front shell 1 and the rear shell 5; the snap-fit female component is respectively arranged on the front shell 1 and the rear shell 5 and is used for buckling the front shell 1 and the rear shell 5; the fifth fixing member passes through the front case 1 and is connected to the rear case 5 for fixing the front case 1 to the rear case 5.

Of course, according to the actual needs, the third positioning component is a combination of a positioning groove and a positioning column, the fifth fixing piece is a screw.

Specifically, the front shell 1 is further provided with a third positioning groove 13 and three front shell and rear shell fixing holes 16, the rear shell 5 is further provided with three fourth screw columns 53, the front shell and rear shell fixing holes 16 are in one-to-one correspondence with the fourth screw columns 53, and the middle fourth screw column 53 is in positioning fit with the third positioning groove 13; the front shell 1 is also provided with a plurality of fixed snap buttons 14, the rear shell 5 is also provided with a plurality of fixed snap buttons 54, each fixed snap button 14 is buckled with each fixed snap button 54 in a one-to-one correspondence manner, in addition, the outer Zhou Nabi of the front shell 1 is also provided with a plurality of buckling grooves 12, and correspondingly, the outer Zhou Nabi of the rear shell 5 is also provided with a plurality of fixed buckles 55 buckled with the buckling grooves 12 in a one-to-one correspondence manner; further, the front case 1 and the rear case 5 are fixedly connected by three screws passing through the respective front case and rear case fixing holes 16 and then connecting the corresponding fourth screw posts 53.

In addition, in order to strengthen the overall strength of the optical bench 21, the middle portion 201, each end portion 203, each rib 202, each end portion 203 and the middle portion 201, and each rib 202 and the middle portion 201 are provided with corresponding reinforcing rib structures.

Referring to fig. 15 and fig. 20-22, the AR glasses provided in the present application include a first temple 6, a second temple 7, and a frame structure as described in the above embodiments; the first and second temples 6 and 7 are respectively connected to two ends of the rear shell 5, and the section of the rear shell 5 is U-shaped.

The first glasses leg 6 and the second glasses leg 7 are respectively provided with a first positioning fixing structure 61 and a second positioning fixing structure 71, and are matched with the rear shell positioning fixing structure 56 of the rear shell 5, and the glasses leg and the rear shell 5 are respectively fixed together by 3 screws at two sides, so that the fixation is firm.

It should be noted that, referring to fig. 19-22, after the rear shell 5 is assembled, the rear shell can be simplified into an extension beam in the static beam, after the 2 temples are outwards stretched, a larger torque is generated at the joint, so that the extension portion in the extension beam can be forced to deform, namely, the two ends of the rear shell 5 are deformed, the cross section of the rear shell 5 is in a shape of a U, and the cross section moment of inertia can be improved, so that the rear shell 5 is not easy to deform after being stressed, namely, the deformation of the two ends of the rear shell 5 is reduced.

In view of the above-mentioned, it is desirable, the two camera assemblies 3 are respectively adhered and fixed with the first bracket 4 and the second bracket 8 through double-sided adhesive compressible foam and then are integrally fixed on the optical machine module 2 through 3 screws; the PCB 9 is fixed on the optical machine module 2 and the rear shell 5 through 4 screws; the whole optical machine module 2 is fixed on the rear shell 5 through 4 screws, and the front shell 1 is connected with the optical machine module 2 through 4 screws and is connected with the rear shell 5 through 3 screws and a peripheral buckle structure; therefore, the integral strength of the structural part of the glasses frame body can be ensured, and meanwhile, the structural part of the frame body cannot be deformed after the first glasses leg 6 and the second glasses leg 7 are folded to generate torsion, so that the position accuracy of optical components is ensured, and the product requirement is met.

It should be noted that after the whole optical module 2 is installed, the whole optical module 2 is bound with the rear housing 5 through 4 screws, but only the middle position of the optical module 2 is firmly bound through 4 screws, both ends of the optical module 2 are cantilever and not fixed, and the design has the advantages that the structure of the section between two fixed fulcrums cannot be deformed, that is, the IMU chip 91 cannot be displaced, which firstly ensures that 1 of the 2 camera modules 3 and the IMU chip 91 is fixed. Meanwhile, the front shell 1 is provided with a second positioning groove 11, a front shell and an optical machine support fixing hole 15, the optical machine support 21 is provided with a second screw hole 231 and a second screw column 232, the second positioning groove 11 is matched with the second screw column 232, the front shell 1 and the optical machine support 21 can be accurately positioned, the front shell 1 and the optical machine support 21 are tightly fixed together through 4 screws, but the camera assembly 3 on two sides is not bound with the front shell 1, deformation of two sides of the front shell 1 caused by deformation of two sides of the rear shell 5 is avoided, and the camera assembly 3 is further conducted onto the optical machine support 21 to deform, so that the distance between the 2 camera assemblies 3 is changed. The front shell 1 is also provided with a third positioning groove 13, a stator buckle 14 and a buckle groove 12 which are respectively matched with a fourth screw column 53, a fixed female buckle 54 and a fixed buckle 55 of the rear shell 5, so that the front shell 1 and the rear shell 5 are accurately and firmly fixed together.

As described above, the front case 1, the rear case 5 and the optical machine module 2 are tightly bound together, so that the overall strength and rigidity of the front frame are improved, and therefore no matter when the two sides of the rear case 5 generate the external tension torque or the torsion torque, the deformation of the 2 camera modules 3 is not caused, and the fixed positions of the 2 camera modules and the IMU chip 91 are ensured to be unchanged.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The frame structure and the AR glasses provided in the present application are described in detail above. Specific examples are employed herein to illustrate the principles and embodiments of the present application, and the above examples are provided only to assist in understanding the aspects of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The frame body structure is characterized by comprising a front shell (1), a rear shell (5), an optical machine module (2) and a group of camera shooting assemblies (3), wherein the optical machine module (2) comprises an optical machine support (21) and a group of optical prism assemblies (22), the optical machine support (21) comprises a middle part (201) and two end parts (203), and a rib (202) is arranged between any one of the end parts (203) and the middle part (201);

a group of optical prism components (22) are respectively arranged on the two ribs (202), a group of camera shooting components (3) are respectively arranged on the two end parts (203), the middle part (201) is connected with the rear shell (5), -the rear shell (5) is connected to the front shell (1), the front shell (1) being connected to the middle part (201) and to the two ribs (202), and the front shell (1) being disconnected from the two ends (203);

any rib (202) is provided with two positioning surfaces (211) for positioning the optical prism assembly (22), and each positioning surface (211) is arranged in a coplanar manner and is a positioning surface protruding out of the end surface of the rib (202);

the two positioning surfaces (211) of any rib (202) are respectively provided with a first positioning column (212), and any optical prism assembly (22) is provided with two first positioning grooves (221) which are respectively matched with the two first positioning columns (212) in a positioning way.

2. The frame structure according to claim 1, further comprising a first bracket (4) and a second bracket (8), wherein a group of said camera assemblies (3) comprises two of said camera assemblies (3), and wherein two of said camera assemblies (3) are fixedly connected to two of said end portions (203) by means of said first bracket (4) and said second bracket (8), respectively.

3. The frame structure according to claim 2, wherein the two camera modules (3) are respectively connected with the first bracket (4) and the second bracket (8) through rubber elastic pads (32) after being positioned and matched, and the frame structure further comprises:

the first positioning structure is respectively arranged on the first bracket (4) and one of the end parts (203) and is used for positioning the first bracket (4) at one of the end parts (203);

a first connection connecting the first bracket (4) with one of the end portions (203);

the second positioning structure is respectively arranged on the second bracket (8) and the other end part (203) and is used for positioning the second bracket (8) at the other end part (203);

-a second connection connecting said second bracket (8) with the other of said ends (203).

4. The frame structure of claim 1, further comprising:

a PCB (9);

the first positioning assembly is respectively arranged on the PCB (9) and the middle part (201) and is used for positioning the PCB (9) on the middle part (201);

the first fixing piece is connected with the PCB (9) and the middle part (201) and is used for fixing the PCB (9) on the optical machine bracket (21);

the second fixing piece penetrates through the middle part (201) and the PCB (9) and is connected with the rear shell (5) and is used for fixing the PCB (9) and the optical machine support (21) to the rear shell (5).

5. The frame structure according to claim 4, further comprising a third fixing member, wherein the middle portion (201) is provided with a protrusion protruding from the PCB board (9), and the third fixing member penetrates the protrusion and is connected to the rear case (5) to fix the optical machine bracket (21) to the rear case (5).

6. The frame structure of claim 1, further comprising:

the second positioning assembly is respectively arranged on the front shell (1) and the rib (202) and is used for positioning the front shell (1) and the optical machine bracket (21);

two groups of fourth fixing pieces, one group of the fourth fixing pieces penetrates through the front shell (1) and is connected with the middle part (201), and the other group of the fourth fixing pieces penetrates through the front shell (1) and is connected with the rib (202) so as to fix the front shell (1) on the optical machine support (21).

7. The frame structure of claim 1, further comprising:

the third positioning assembly is respectively arranged on the front shell (1) and the rear shell (5) and is used for positioning the front shell (1) and the rear shell (5);

the snap-fit female component is respectively arranged on the front shell (1) and the rear shell (5) and is used for buckling the front shell (1) and the rear shell (5);

and a fifth fixing member passing through the front case (1) and connected to the rear case (5) for fixing the front case (1) to the rear case (5).

8. The frame structure of any one of claims 1 to 7, wherein the middle portion (201), each of the end portions (203), each of the rib portions (202), the middle portion (201) and each of the end portions (203), and the middle portion (201) and each of the rib portions (202) are provided with reinforcing ribs.

9. An AR glasses, comprising:

two temples;

a frame structure as claimed in any one of claims 1 to 8;

the two glasses legs are respectively connected to two ends of the rear shell (5), and the section of the rear shell (5) is U-shaped.