Projection display rotating shaft mechanism for AR glasses

Abstract

The utility model relates to the technical field of projection rotating shafts of AR glasses, and discloses a projection rotating shaft mechanism for AR glasses, which comprises a glasses frame shell, a projection shell and a rotating shaft assembly, the glasses frame shell is used for being assembled with the AR glasses, the projection shell is used for mounting projection equipment, and the projection shell is embedded in the glasses frame shell; the rotating shaft assembly comprises an upper adjusting piece, an assembling column, a disc spring piece and a lower adjusting piece, the disc spring piece is used for applying damping force, the upper adjusting piece is provided with an upper adjusting face, the lower adjusting piece is provided with a lower adjusting face, the mirror frame shell is provided with an upper shell part and a lower shell part, the upper adjusting face and the upper shell part are arranged in a pressing mode, and the lower adjusting face and the lower shell part are arranged in a pressing mode. Under the matching action of the up-regulation part and the upper shell part and the matching action of the down-regulation part and the lower shell part, angle adjustment of the projection display shell relative to the mirror frame shell is achieved, the projection display equipment has multi-angle projection display, different people have better use experience, meanwhile, under the action of the disc spring part, damping is applied to the projection display shell with the angle adjusted, and the projection display effect is improved. The service life of the rotating shaft assembly is prolonged.

Description

Technical Field

[0001] This utility model patent relates to the technical field of AR glasses projection display shaft, specifically, to a projection display shaft mechanism for AR glasses. Background Art

[0002] AR glasses are a technology that perfectly superimposes virtual information and the real world. They can display virtual information such as text, images, videos, 3D models, etc. to users without affecting real life.

[0003] AR glasses include a shooting module, a processing module, a display module, etc., and projection is achieved through the display module. For example, a prior patent with a publication number of CN211454100U discloses a VR glasses with a rotatable camera, including: a VR glasses body; a control circuit board disposed in the VR glasses body; and a camera assembly disposed on the VR glasses body, connected to the control circuit board and rotatable relative to the VR glasses body to adjust the shooting position or shooting angle.

[0004] In the prior art, the camera assembly includes a camera body and a rotating shaft. Due to the limitation of the rotating shaft, the camera body can only be adjusted along the radial direction of the rotating shaft, which limits the angle and range of shooting or projection and cannot meet multi-angle adjustment, resulting in a poor user experience of AR glasses. Utility Model Content

[0005] The purpose of the utility model is to provide a projection hinge mechanism for AR glasses, aiming to solve the problem of poor user experience of AR glasses in the prior art.

[0006] The utility model is implemented as follows: a projection display shaft mechanism for AR glasses comprises a frame shell, a projection display shell and a shaft assembly, wherein the frame shell is used to be assembled with the AR glasses, the projection display shell is used to be provided with a projection display device, and the projection display shell is embedded in the frame shell; the shaft assembly comprises an upper adjustment member, an assembly column, a disc spring member and a lower adjustment member, wherein the upper adjustment member, the disc spring member and the lower adjustment member are respectively assembled with the assembly column, the disc spring member is used to apply a damping force, and the upper adjustment member It has an upward adjustment surface, which is arranged in an arched arc shape along the direction away from the assembly column. The lower adjustment member has a lower adjustment surface, which is arranged in an arched arc shape along the direction away from the assembly column. The mirror frame shell has an upper shell part and a lower shell part, the upper shell part is arranged in an arched arc shape along the direction away from the lower shell part, and the lower shell part is arranged in an arched arc shape along the direction away from the upper shell part. The upward adjustment surface is in a pressing arrangement with the upper shell part, and the lower adjustment surface is in a pressing arrangement with the lower shell part.

[0007] Furthermore, the projection display shell includes a main display shell and a connected display shell, the main display shell is used for installing the projection display equipment, one end of the connected display shell is assembled with the main display shell, and the other end of the connected display shell is embedded with the frame shell; the assembly column is in the connected display shell, the upper adjustment member extends through the connected display shell and is assembled with the assembly column, and the lower adjustment member extends through the connected display shell and is assembled with the assembly column.

[0008] Furthermore, the display shell includes an upper connecting plate and a lower connecting plate, and the upper connecting plate and the lower connecting plate are arranged in a corresponding manner at intervals. The upper connecting plate has an upper limit portion, and the upper adjustment member includes an upper adjustment shaft, and the upper adjustment shaft passes through the upper limit portion, and the upper limit portion is used to limit the self-rotation of the upper adjustment shaft; the lower connecting plate has a lower limit portion, and the lower adjustment member includes a lower adjustment shaft, and the lower adjustment shaft passes through the lower limit portion, and the lower limit portion is used to limit the self-rotation of the lower adjustment shaft.

[0009] Furthermore, the downward adjustment shaft passes through the disc spring component, and two ends of the disc spring component are respectively arranged to abut against the assembly column and the downward adjustment shaft.

[0010] Furthermore, the upward adjustment shaft passes through the disc spring component, and two ends of the disc spring component are respectively arranged to abut against the assembly column and the upward adjustment shaft.

[0011] Furthermore, the upper adjustment member includes an upper adjustment plate, which is arranged in a butt joint with the upper adjustment shaft, and the upper adjustment plate forms the upper adjustment surface along the direction away from the upper adjustment shaft; the upper adjustment plate has an upper side surface, which is arranged in an enclosed manner, and is arranged in an inclined flared shape along the direction away from the upper adjustment shaft.

[0012] Furthermore, the lowering member includes a lowering plate, which is arranged in a butt joint with the lowering shaft, and the lowering plate forms the lowering surface along the direction away from the lowering shaft; the lowering plate has a lower side surface, which is arranged in an enclosed manner, and is arranged in an inclined flared shape along the direction away from the lowering shaft.

[0013] Furthermore, the upper adjustment shaft and the assembly column are arranged in threaded connection, and the lower adjustment shaft and the assembly column are arranged in threaded connection.

[0014] Furthermore, the mirror frame shell has a mirror frame groove, and the mirror frame groove is used for the integrated display shell to be embedded; the mirror frame groove has a frame groove wall, and the frame groove wall is arranged in a curved surface, and the other end of the integrated display shell is arranged in a conflicting manner with the frame groove wall.

[0015] Compared with the prior art, the utility model provides a projection display hinge mechanism for AR glasses, in which the projection display device is installed in the projection display shell, and the projection display shell and the frame shell are assembled and arranged, and at the same time, the frame shell and the AR glasses are assembled and arranged, so that the AR glasses have a projection display function when used; then, under the cooperation of the upper adjusting member and the upper shell part, as well as the cooperation of the lower adjusting member and the lower shell part, the angle of the projection display shell relative to the frame shell is adjusted, so that the projection display shell has multi-angle switching and adjustment, so that the projection display device has multi-angle projection, so that different groups of people have a better use experience, and at the same time, under the action of the disc spring member, damping is applied to the projection display shell with adjusted angle, thereby increasing the service life of the hinge assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an exploded schematic diagram of the projection shaft mechanism for AR glasses provided by the utility model;

[0017] Figure 2 It is a planar schematic diagram of a horizontal angle of the projection shaft mechanism for AR glasses provided by the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of part A of the projection shaft mechanism for AR glasses provided by the utility model;

[0019] Figure 4 It is a planar schematic diagram of the projection display shaft mechanism for AR glasses provided by the utility model being adjusted upward;

[0020] Figure 5 It is a planar schematic diagram of the AR glasses projection display shaft mechanism provided by the utility model being adjusted downward;

[0021] Figure 6 It is a schematic diagram of assembling the AR glasses projection display rotating shaft mechanism and the AR glasses provided by the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] Reference Figure 1-6 As shown, it is a preferred embodiment provided by the utility model.

[0026] The projection display shaft mechanism for AR glasses comprises a frame shell 1, a projection display shell 2 and a shaft assembly 3. The frame shell 1 is used for being assembled with the AR glasses 4, the projection display shell 2 is used for installing the projection display device, and the projection display shell 2 is embedded with the frame shell 1; the shaft assembly 3 comprises an upper adjustment member 31, an assembly column 32, a disc spring member 33 and a lower adjustment member 34. The upper adjustment member 31, the disc spring member 33 and the lower adjustment member 34 are respectively assembled with the assembly column 32, the disc spring member 33 is used to apply a damping force, the upper adjustment member 31 has an upper adjustment surface 311, The upper adjustment surface 311 is arranged in an arched arc shape along the direction away from the mounting column 32, the lower adjustment member 34 has a lower adjustment surface 341, and the lower adjustment surface 341 is arranged in an arched arc shape along the direction away from the mounting column 32. The frame shell 1 has an upper shell portion 11 and a lower shell portion 12, the upper shell portion 11 is arranged in an arched arc shape along the direction away from the lower shell portion 12, and the lower shell portion 12 is arranged in an arched arc shape along the direction away from the upper shell portion 11, the upper adjustment surface 311 is arranged in a pressing manner with the upper shell portion 11, and the lower adjustment surface 341 is arranged in a pressing manner with the lower shell portion 12.

[0027] The above-mentioned projection display hinge mechanism for AR glasses, the projection display device is installed in the projection display shell 2, and the projection display shell 2 and the frame shell 1 are assembled and arranged, and at the same time, the frame shell 1 and the AR glasses 4 are assembled and arranged, so that the AR glasses 4 have a projection display function when used; then, under the cooperation of the upper adjustment member 31 and the upper shell part 11, and the cooperation of the lower adjustment member 34 and the lower shell part 12, the angle of the projection display shell 2 relative to the frame shell 1 is adjusted, so that the projection display shell 2 has multi-angle switching and adjustment, so that the projection display device has multi-angle projection, so that different people have a better use experience, and at the same time, under the action of the disc spring member 33, damping is applied to the projection display shell 2 with adjusted angle, thereby improving the service life of the hinge assembly 3.

[0028] The projection shell 2 includes a main display shell and a connected display shell. The main display shell is used for installing the projection device. One end of the connected display shell is assembled with the main display shell, and the other end of the connected display shell is embedded with the frame shell 1 to achieve assembly between the connected display shell and the frame shell 1.

[0029] The assembly column 32 is arranged inside the display housing to protect the assembly column 32. The upper adjustment member 31 extends through the display housing and is assembled with the assembly column 32. The lower adjustment member 34 extends through the display housing and is assembled with the assembly column 32 to realize the assembly of the upper adjustment member 31 and the lower adjustment member with the assembly column 32 respectively.

[0030] The display shell includes an upper connecting plate and a lower connecting plate, and the upper connecting plate and the lower connecting plate are arranged in a corresponding manner at intervals. The upper connecting plate has an upper limit portion, and the upper adjusting member 31 includes an upper adjusting shaft, which passes through the upper limit portion, and the upper limit portion is used to limit the self-rotation of the upper adjusting shaft; the lower connecting plate has a lower limit portion, and the lower adjusting member 34 includes a lower adjusting shaft, which passes through the lower limit portion, and the lower limit portion is used to limit the self-rotation of the lower adjusting shaft.

[0031] In this way, under the action of the upper limit portion, a limiting effect is exerted on the upper adjusting shaft, thereby preventing the upper adjusting shaft from rotating erroneously during use, improving the assembly stability of the upper adjusting member 31, and further ensuring the projection stability of the projection shell 2; under the action of the lower limit portion, a limiting effect is exerted on the lower adjusting shaft, thereby preventing the lower adjusting shaft from rotating erroneously during use, improving the assembly stability of the lower adjusting member 34, and further ensuring the projection stability of the projection shell 2.

[0032] The lower adjustment shaft passes through the disc spring member 33, and the two ends of the disc spring member 33 are respectively arranged to abut against the assembly column 32 and the lower adjustment shaft; in this way, the disc spring member 33 applies a damping force to the lower adjustment shaft, so that friction damping is generated between the lower adjustment surface 341 and the lower shell part 12, thereby improving the adjustment stability of the projection shell 2.

[0033] The upper adjustment shaft passes through the disc spring member 33, and the two ends of the disc spring member 33 are respectively arranged to be in contact with the assembly column 32 and the upper adjustment shaft; in this way, the disc spring member 33 applies a damping force to the upper adjustment shaft, so that friction damping is generated between the upper adjustment surface 311 and the upper shell part 11, thereby improving the adjustment stability of the projection shell 2.

[0034] The upper adjusting member 31 includes an upper adjusting plate, which is arranged in a butt joint with the upper adjusting shaft and forms an upper adjusting surface 311 along the direction away from the upper adjusting shaft; the upper adjusting plate has an upper side surface, which is arranged in an enclosed manner and is arranged in an inclined flared shape along the direction away from the upper adjusting shaft.

[0035] In this way, when the angle is adjusted upward, the upper adjusting member 31 is arranged to be tilted upward, and the contact area with the upper shell portion 11 is increased under the cooperation of the upper adjusting surface 311 and the upper side surface, thereby improving the adjustment stability of the projection shell 2.

[0036] At the same time, when the angle is adjusted upward, the upper adjusting member 31 and the lower adjusting member 34 are synchronously arranged to tilt upward, thereby improving the adjustment stability of the projection housing 2 .

[0037] The lower adjustment member 34 includes a lower adjustment plate, which is arranged in a butt joint with the lower adjustment shaft. Along the direction away from the lower adjustment shaft, the lower adjustment plate forms a lower adjustment surface 341; the lower adjustment plate has a lower side surface, which is arranged in an enclosed manner. Along the direction away from the lower adjustment shaft, the lower side surface is arranged in an inclined flared shape.

[0038] In this way, when the angle is adjusted downward, the lower adjustment member 34 is arranged to be tilted downward, and the contact area with the lower shell portion 12 is increased under the cooperation of the lower adjustment surface 341 and the lower side surface, thereby improving the adjustment stability of the projection shell 2.

[0039] At the same time, when the angle is adjusted downward, the upper adjusting member 31 and the lower adjusting member 34 are synchronously arranged to tilt upward, thereby improving the adjustment stability of the projection housing 2 .

[0040] The upper adjustment shaft and the assembly column 32 are arranged in threaded connection to achieve adjustment of the damping force.

[0041] The lower adjustment shaft and the assembly column 32 are arranged in threaded connection to achieve adjustment of the damping force.

[0042] The lens frame shell 1 has a lens frame groove for embedding the display housing; the lens frame groove has a frame groove wall, the frame groove wall is arranged in a curved surface, and the other end of the display housing is arranged in conflict with the frame groove wall.

[0043] In this way, the matching effect between the projection shell and the mirror frame shell 1 is better, and the adjustment stability of the projection shell 2 is improved, thereby facilitating the angle adjustment of the projection shell 2.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Used in AR glasses projection shaft mechanism, characterized in that: The utility model comprises a frame shell, a projection display shell and a rotating shaft assembly, wherein the frame shell is used for being assembled with AR glasses, the projection display shell is used for installing the projection display device, and the projection display shell is embedded with the frame shell; the rotating shaft assembly comprises an upper adjusting member, an assembly column, a disc spring member and a lower adjusting member, wherein the upper adjusting member, the disc spring member and the lower adjusting member are respectively assembled with the assembly column, the disc spring member is used for applying a damping force, the upper adjusting member has an upper adjusting surface, wherein the upper adjusting surface is arranged in an arched arc shape in a direction away from the assembly column, the lower adjusting member has a lower adjusting surface, wherein the lower adjusting surface is arranged in an arched arc shape in a direction away from the assembly column, the frame shell has an upper shell portion and a lower shell portion, wherein the upper shell portion is arranged in an arched arc shape in a direction away from the lower shell portion, and the lower shell portion is arranged in an arched arc shape in a direction away from the upper shell portion, the upper adjusting surface is arranged in a pressing manner with the upper shell portion, and the lower adjusting surface is arranged in a pressing manner with the lower shell portion.

2. The projection shaft mechanism for AR glasses according to claim 1, characterized in that: The projection display shell includes a main display shell and a connected display shell, the main display shell is used for installing the projection display equipment, one end of the connected display shell is assembled with the main display shell, and the other end of the connected display shell is embedded with the frame shell; the assembly column is located in the connected display shell, the upper adjustment member extends through the connected display shell and is assembled with the assembly column, and the lower adjustment member extends through the connected display shell and is assembled with the assembly column.

3. The projection shaft mechanism for AR glasses according to claim 2, characterized in that: The display shell includes an upper connecting plate and a lower connecting plate, and the upper connecting plate and the lower connecting plate are arranged in a corresponding manner at intervals. The upper connecting plate has an upper limit portion, and the upper adjustment member includes an upper adjustment shaft, and the upper adjustment shaft passes through the upper limit portion, and the upper limit portion is used to limit the self-rotation of the upper adjustment shaft; the lower connecting plate has a lower limit portion, and the lower adjustment member includes a lower adjustment shaft, and the lower adjustment shaft passes through the lower limit portion, and the lower limit portion is used to limit the self-rotation of the lower adjustment shaft.

4. The projection shaft mechanism for AR glasses according to claim 3, characterized in that: The downward adjustment shaft passes through the disc spring component, and two ends of the disc spring component are respectively arranged to abut against the assembly column and the downward adjustment shaft.

5. The projection shaft mechanism for AR glasses as claimed in claim 3, characterized in that: The upward adjustment shaft passes through the disc spring component, and two ends of the disc spring component are respectively arranged to abut against the assembly column and the upward adjustment shaft.

6. The projection shaft mechanism for AR glasses as claimed in claim 3, characterized in that: The upper adjustment member includes an upper adjustment plate, which is arranged in a butt joint with the upper adjustment shaft, and the upper adjustment plate forms the upper adjustment surface along the direction away from the upper adjustment shaft; the upper adjustment plate has an upper side surface, which is arranged in an enclosed manner, and is arranged in an inclined flared shape along the direction away from the upper adjustment shaft.

7. The projection shaft mechanism for AR glasses according to claim 3, characterized in that: The lower adjustment member includes a lower adjustment plate, which is arranged in a butt joint with the lower adjustment shaft, and the lower adjustment plate forms the lower adjustment surface along the direction away from the lower adjustment shaft; the lower adjustment plate has a lower side surface, which is arranged in an enclosed manner, and is arranged in an inclined flared shape along the direction away from the lower adjustment shaft.

8. The projection shaft mechanism for AR glasses according to any one of claims 3 to 7, characterized in that: The upward adjustment shaft is threadedly connected to the assembly column, and the downward adjustment shaft is threadedly connected to the assembly column.

9. The projection shaft mechanism for AR glasses according to any one of claims 2 to 7, characterized in that: The mirror frame shell has a mirror frame groove, and the mirror frame groove is used for the connected display shell to be embedded; the mirror frame groove has a frame groove wall, and the frame groove wall is arranged in a curved surface, and the other end of the connected display shell is arranged in a conflicting manner with the frame groove wall.

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