Near-to-eye display equipment
By adopting a frame and lens cover design in AR glasses, combined with various adjustment components, the attitude of the waveguide module can be directly adjusted on the frame, solving the problems of universality and reliability of existing AR glasses adjustment methods, reducing costs and improving adjustment efficiency.
Patent Information
- Application Number
- CN202520590263.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing AR glasses adjustment methods suffer from poor versatility, high cost, complex process, poor reliability, and require a professional six-axis adjustment platform and custom frames.
The design incorporates a frame and cover, combined with a first adjustment system and a second adjustment system. By using components such as hand-tightening screws, glass ball screws, contact metal plates, and bosses, the left and right tilt angles, up and down pitch angles, and horizontal attitude of the waveguide module can be directly adjusted on the frame, simplifying the adjustment process.
It reduced adjustment costs, improved adjustment efficiency, enhanced the versatility and reliability of the equipment, and simplified the adjustment process.
Smart Images
Figure CN223955892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of augmented reality technology especially, relate to a near eye display device. BACKGROUND
[0002] AR (Augmented Reality, augmented reality) glasses and other head-mounted display devices can superimpose virtual information into the real world, so that the real environment and virtual objects can be superimposed into the same picture in real time, and the picture is displayed in front of the user, enhancing the user's reality.
[0003] At present, the AR glasses are usually customized to carry the waveguide and the optical machine module frame to realize binocular image combination, and then the waveguide sheet and the optical machine module are adjusted by a six-axis adjustment platform, so that the binocular module optical axis is strictly parallel and the image is overlapped, and then the binocular module is fixed on the customized frame to realize the adjustment of the binocular glasses, which has the following problems:
[0004] Since each waveguide module needs to be customized with a corresponding frame, and then adjusted by a six-axis adjustment platform, and the above adjusted binocular module needs to be fixed on the frame without any movement, the binocular image combination adjustment is completed, so it can be seen that each module needs to be customized with a corresponding frame, which is high in cost; the six-axis adjustment platform needs to be adjusted by a professional six-axis adjustment platform, which not only needs to be purchased at high cost, but also needs to have a matching structure corresponding to the frame to ensure that there is no interference during adjustment, and the six-axis platform needs to be fixed on the frame without any movement, if uncontrollable factors during the fixing process damage the above binocular image combination, the binocular image combination needs to be adjusted repeatedly, which is not only inconvenient, but also wastes time, so the universality is not good, the cost is high, the process is complex, and the reliability is poor. UTILITY MODEL CONTENT
[0005] In view of the problems in the prior art, the utility model provides a near eye display device, which effectively solves the problems of poor universality, high cost, complex process and poor reliability of the existing adjustment method.
[0006] The technical scheme of the utility model is as follows:
[0007] A near eye display device, characterized by comprising:
[0008] The frame comprises a first area, a second area and a middle area between the first area and the second area, the middle area is provided with a waveguide module, the waveguide module at least comprises a waveguide sheet, and the first area and the second area are each provided with a plurality of first threaded holes;
[0009] The cover is arranged on one side of the frame, and a plurality of second threaded holes are arranged on the cover at positions opposite to the first threaded holes;
[0010] The first adjusting system comprises at least a hand screw matched with the first threaded hole and a glass bead screw matched with the second threaded hole, and the hand screw and the glass bead screw clamp the waveguide sheet therebetween;
[0011] The second adjusting system comprises at least a first adjusting assembly arranged in the first area, a second adjusting assembly arranged in the second area and a boss; the first adjusting assembly comprises at least a first contact metal sheet, a guide column and a spring sleeved on the guide column, the first contact metal sheet comprises at least a first head end and a first contact area, the first head end is fixedly connected with the frame, and the first contact area is clamped with the spring and abuts against the waveguide sheet; the second adjusting assembly comprises at least a second contact metal sheet and a hand screw, the second contact metal sheet comprises at least a second head end and a second contact area, the second head end is fixedly connected with the frame, the hand screw abuts against the second contact area, and the second contact area and the boss both abut against the waveguide sheet.
[0012] As a preferred technical solution, the first area is provided with at least one first threaded hole, and the second area is provided with at least two first threaded holes, and the number of the first threaded holes is the same as that of the second threaded holes.
[0013] As a preferred technical solution, the first contact metal sheet further comprises a first tail end, the first area is recessed to form a first recess in at least a partial area, the first contact metal sheet is arranged in the first recess, a first rotating shaft is arranged in the first recess, the first head end is fixedly connected with the first rotating shaft, and the first tail end is located outside the frame in at least a partial area.
[0014] As a preferred technical solution, the guide column is arranged on the side wall of the first recess and extends towards the middle area, and the length of the guide column is less than that of the spring.
[0015] As a preferred technical solution, the second contact metal sheet further comprises a second tail end, the second area is recessed to form a second recess in at least a partial area, the second contact metal sheet is arranged in the second recess, a second rotating shaft is arranged in the second recess, the second head end is fixedly connected with the second rotating shaft, and the second tail end is located outside the frame in at least a partial area.
[0016] As a preferred technical solution, the second area further comprises a first raised area and a second raised area, the first raised area and the second raised area are arranged side by side, a threaded through hole matched with the hand screw is arranged in the first raised area, the threaded through hole is communicated with the second recess and is arranged towards the middle area, and the second raised area is provided with the boss.
[0017] As a preferred technical solution, the boss is arranged towards the middle area and is adjacent to the second recess, and the boss is semicircular or trapezoidal.
[0018] Preferably, the first groove and the second groove are arranged adjacent to the middle part, and the first groove is in the shape of an I, and the second groove is in the shape of a T.
[0019] Preferably, the first contact metal sheet and the second contact metal sheet are in the same shape or different shapes.
[0020] The near-eye display device provided in the application comprises a frame and a cover, a waveguide module is arranged between the frame and the cover, a first adjusting system and a second adjusting system are arranged in the frame and the cover, the first adjusting system comprises a glass bead screw and a hand screw, the waveguide sheet is clamped between the glass bead screw and the hand screw, and the first adjusting system is used for adjusting the posture of left-right yawing angle and the posture of up-down pitching angle of the waveguide module, the second adjusting system comprises a first adjusting assembly, a second adjusting assembly and a boss, and the second adjusting system is used for adjusting the posture adjustment of the waveguide module in the horizontal direction. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiment description will be briefly introduced as follows, which form a part of the present application. The schematic embodiments of the present application and the description and explanation thereof do not constitute an improper limitation on the present application. In the drawings:
[0022] Figure 1 The structure schematic diagram of the near-eye display device disclosed in the present embodiment is shown in the figure;
[0023] Figure 2 The structure schematic diagram of the near-eye display device disclosed in the present embodiment is shown in the figure;
[0024] Figure 3 The structure schematic diagram of the near-eye display device disclosed in the present embodiment is shown in the figure;
[0025] Figure 4 The structure schematic diagram of the near-eye display device disclosed in the present embodiment is shown in the figure.
[0026] Explanation of the reference signs:
[0027] The frame 10; the hand screw 11;
[0028] The cover 20; the glass bead screw 21;
[0029] The waveguide sheet 30; the optical machine module 31;
[0030] First adjusting assembly 40; First contact metal sheet 41; Guide column 42; Spring 43; First rotating shaft 44; First groove 45;
[0031] Second adjusting assembly 50; Second contact metal sheet 51; Hand screw 52; Second rotating shaft 53; Second groove 54; First protruding area 55; Second protruding area 56; Boss 57. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the utility model specific embodiment and corresponding drawings to make clear, complete description to the utility model technical scheme. In the description of the utility model, it needs to be explained that the term " or " is usually used with the meaning of " and / or " is used, unless the content is explicitly pointed out otherwise.
[0033] In the description of the utility model, it needs to be understood that " first " " second " and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, " connected " " connected " should be understood in a broad sense, for example, it can be fixedly connected, can be detachably connected or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected or indirectly connected through a medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0034] In addition, those skilled in the art should understand that in the disclosure of the utility model, the orientation or position relationship indicated by the terms " longitudinal " " transverse " " upper " " lower " " front " " rear " " left " " right " " vertical " " horizontal " " top " " bottom " " inner " " outer " and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation on the utility model.
[0035] Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0036] EMBODIMENT
[0037] Based on the problems of poor universality, high cost, complex process and poor reliability of existing adjusting equipment, according to Figures 1-4 , the embodiment provides a near-eye display device, comprising:
[0038] The mirror frame 10 comprises a first region, a second region and a middle region between the first region and the second region, the middle region is provided with a waveguide module, the waveguide module at least comprises a waveguide sheet 30, the first region and the second region are each provided with a plurality of first threaded holes;
[0039] The mirror cover 20 is arranged on one side of the mirror frame 10, and a plurality of second threaded holes are arranged on the mirror cover 20 at positions opposite to the first threaded holes;
[0040] The first adjusting system at least comprises a hand screw 11 matched with the first threaded holes and a glass bead screw 21 matched with the second threaded holes, the waveguide sheet 30 is clamped between the hand screw 11 and the glass bead screw 21;
[0041] The second adjusting system at least comprises a first adjusting assembly 40 arranged in the first region, a second adjusting assembly 50 arranged in the second region and a boss 57; the first adjusting assembly 40 at least comprises a first contact metal sheet 41, a guide column 42 and a spring 43 sleeved on the guide column 42, the first contact metal sheet 41 at least comprises a first head end and a first contact region, the first head end is fixedly connected with the mirror frame 10, the first contact region is clamped with the spring 43 and abuts against the waveguide sheet 30; the second adjusting assembly 50 at least comprises a second contact metal sheet 51 and a hand screw 52, the second contact metal sheet 51 at least comprises a second head end and a second contact region, the second head end is fixedly connected with the mirror frame 10, the hand screw 52 abuts against the second contact region, and the second contact region and the boss 57 both abut against the waveguide sheet 30.
[0042] The near-eye display device provided by the embodiment comprises the mirror frame 10 and the mirror cover 20, the waveguide module is arranged between the mirror frame 10 and the mirror cover 20, the first adjusting system and the second adjusting system are arranged in the mirror frame 10 and the mirror cover 20, the first adjusting system comprises the glass bead screw 21 and the hand screw 11, the waveguide sheet 30 is clamped between the glass bead screw 21 and the hand screw 11, which is used to adjust the posture of the left-right yaw angle and the posture of the up-down pitch angle of the waveguide module, the second adjusting system comprises the first adjusting assembly 40, the second adjusting assembly 50 and the boss 57, which is used to adjust the posture of the waveguide module in the horizontal direction, compared with the existing adjusting mode, the device can directly adjust the binocular image on the mirror frame, effectively reduces the cost, the adjusting process is simple, the efficiency is higher, and can be used for adjusting a plurality of waveguide modules.
[0043] Preferably, the first region is provided with at least one first threaded hole, the second region is provided with at least two first threaded holes, and the number of the first threaded holes is the same as that of the second threaded holes.
[0044] Specifically, according to Figures 1-2 wherein, Figure 2As shown in Fig. 1, the device main body structure provided by the embodiment is an integral frame 10 and a cover 20, wherein the cover 20 is detachably locked on the integral frame 10 by screws or other detachable fixing methods, which are not limited in the embodiment. The cover 20 in the embodiment includes a left cover 20 and a right cover 20. The waveguide module includes a waveguide sheet 30 and an optical engine module 31.
[0045] The frame 10 is divided into three regions, a first region, a second region and an intermediate region between the first region and the second region. The first region and the second region are both provided with a plurality of first threaded holes. The cover 20 is fixedly arranged on one side of the frame 10, which can be understood as corresponding arrangement of the frame 10 and the cover 20. The waveguide sheet 30 is arranged between the frame 10 and the cover 20. The second threaded holes are arranged on the cover 20 at positions corresponding to the first threaded holes of the frame 10. The stretchable glass bead screws 21 with an in-band elastomer are screwed into the corresponding positions of the cover 20 through the second threaded holes and abut against one side surface of the waveguide sheet 30 to provide elastic force and deformation. Correspondingly, the hand screws 11 are arranged on the frame 10 at positions corresponding to the glass bead screws 21 on the cover 20. The hand screws 11 are screwed into the corresponding positions of the frame 10 through the first threaded holes and abut against the other side surface of the waveguide sheet 30. By adjusting the advance and retreat of the hand screws 11, the corresponding attitude of the waveguide sheet 30 and the optical engine module 31, i.e. the attitude of left and right yaw angle and the attitude of up and down pitch angle, can be adjusted.
[0046] Preferably, the first region is provided with at least one first threaded hole and the second region is provided with at least two first threaded holes. The number of the first threaded holes is the same as that of the second threaded holes.
[0047] In a preferred embodiment, the first region of the frame 10 is provided with one first threaded hole and the second region is provided with two first threaded holes. Correspondingly, one second threaded hole is arranged on the cover 20 corresponding to the first region and two second threaded holes are arranged on the cover 20 corresponding to the second region. The first threaded holes are screwed into the hand screws 11 and the second threaded holes are screwed into the glass bead screws 21, which not only effectively adjusts the corresponding attitude of the waveguide sheet 30 and the optical engine module 31, but also saves the cost of the hand screws 11 and the glass bead screws 21.
[0048] Preferably, the first contact metal sheet 41 further includes a first tail end. The first region is at least partially recessed to form a first recess 45. The first contact metal sheet 41 is arranged in the first recess 45. A first rotating shaft 44 is arranged in the first recess 45. The first head end is fixedly connected with the first rotating shaft 44. The first tail end is at least partially located outside the frame 10.
[0049] Preferably, the guide column 42 is arranged on the side wall of the first groove 45 and extends towards the middle region, and the length of the guide column 42 is less than the length of the spring.
[0050] To adjust the posture of the waveguide sheet 30 in the horizontal direction, it can be understood that the height of the waveguide sheet 30 is adjusted left and right, which is realized by the second adjusting system. Specifically, the second adjusting system at least includes the first adjusting assembly 40 arranged in the first region, the second adjusting assembly 50 arranged in the second region, and the boss 57.
[0051] Further, according to Figure 3 , the first adjusting assembly 40 at least includes the first contact metal sheet 41, the guide column 42, and the spring 43 sleeved on the guide column 42. The first contact metal sheet 41 is divided into three parts, i.e., the first head end, the first contact region, and the first tail end. The frame 10 is a frame body with a thickness. The first region of the frame 10 includes at least a part of the region which is recessed to form the first groove 45, and the remaining part is referred to as a raised region. The first pivot 44 is arranged in the first groove 45. The first head end is fixed on the first pivot 44. The spring 43 is sleeved on the guide column 42. The first contact metal sheet 41 is arranged, which can be understood as the first contact region extending from the first head end. The front part of the region is preferably clamped in the body of the spring 43. The rear part of the region abuts against the side of the waveguide sheet 30. The specific manner can be set by the person skilled in the art according to the actual situation, such as the specific position of the spring 43 in the first adjusting system, or the specific position of the clamping in the body of the spring 43, and the like. The first tail end continues to extend from the first contact region. The part of the first tail end is located outside the frame 10. The first contact metal sheet 41 can rotate around the first pivot 44. When the waveguide sheet 30 is not installed, the first contact metal sheet 41 will automatically be at the lowest point under the action of the spring force of the spring 43 and the limit position structure of the first contact metal sheet 41. In a preferred embodiment, the guide column 42 is arranged in the side wall of the first groove 45 and extends towards the middle region. The length of the guide column 42 is less than the length of the spring 43, which gives the spring 43 a compression space and effectively fixes the waveguide sheet 30.
[0052] Preferably, the second contact metal sheet 51 further includes a second tail end. The second region is at least a part of the region which is recessed to form the second groove 54. The second contact metal sheet 51 is arranged in the second groove 54. The second pivot 53 is arranged in the second groove 54. The second head end is fixedly connected with the second pivot 53. The second tail end is at least partially located outside the frame 10.
[0053] Preferably, the second region further includes the first raised region 55 and the second raised region 56. The first raised region 55 and the second raised region 56 are arranged side by side. The first raised region 55 is provided with a threaded hole matched with the hand screw rod 52. The threaded hole is communicated with the second groove 54 and is arranged towards the middle region. The second raised region 56 is provided with a boss 57.
[0054] Preferably, the boss 57 is arranged towards the middle region, the boss 57 is adjacent to the second groove 54, and the boss 57 is semicircular or trapezoidal.
[0055] Further, according to the above Figure 4 , the second adjusting assembly 50 at least includes the second contact metal sheet 51 and the hand screw 52, the second contact metal sheet 51 is divided into three parts, i.e. the second head end, the second contact region, and the second tail end, the second region of the frame 10 includes at least a partially recessed region to form the second groove 54, the protruding part is divided into the first protruding region 55 and the second protruding region 56 except the groove part, the first protruding region 55 and the second protruding region 56 are arranged side by side, the second rotating shaft 53 is arranged in the second groove 54, the second contact region extending from the second head end can be understood as abutting the side of the waveguide sheet 30, the second tail end extending from the first contact region is located between the first protruding region 55 and the second protruding region 56 and extends out of the frame 10, the second contact metal sheet 51 can rotate around the second rotating shaft 53, the threaded through hole in the first protruding region 55 is matched with the hand screw 52, the threaded through hole is arranged towards the middle region, and the threaded through hole is arranged corresponding to the second contact region and abuts the side of the waveguide sheet 30, the boss 57 is arranged in the second protruding region 56, and the boss 57 can also be understood as being arranged on the inner side of the second groove 54, the boss 57 cooperates with the second contact region to abut the side of the waveguide sheet 30, so that the boss 57 of the first adjusting assembly 40 and the second adjusting assembly 50 cooperates to adjust the position of the waveguide sheet 30, one boss 57 and two points of the second adjusting assembly 50 determine a straight line to realize horizontal adjustment.
[0056] Preferably, the first groove 45 and the second groove 54 are arranged adjacent to the middle region, and the first groove 45 is in the shape of an I, and the second groove 54 is in the shape of a T.
[0057] Further, the height of the waveguide sheet 30 is slightly greater than the height of the middle region, so that the upper and lower parts of the waveguide sheet 30 can be partially arranged in the first groove 45 and the second groove 54, and the first groove 45 and the second groove 54 are arranged adjacent to the middle region, so that the waveguide sheet 30 can contact the first adjusting system and the second adjusting system arranged in the first region and the second region, and the posture of the waveguide module can be effectively adjusted. Preferably, the first groove 45 is in the shape of an I, and the second groove 54 is in the shape of a T, and the first groove 45 and the second groove 54 are arranged according to the actual shape and size of the first contact metal sheet 41, the second contact metal sheet 51, and the waveguide sheet 30, which are not limited here.
[0058] Preferably, the first contact metal sheet 41 and the second contact metal sheet 51 are the same or different in shape.
[0059] Preferably, the first contact metal sheet 41 and the second contact metal sheet 51 are both Z-shaped.
[0060] Specifically, the first contact metal sheet 41 and the second contact metal sheet 51 can both be made of aluminum, iron or other materials with hardness. The shape of the first contact metal sheet 41 and the second contact metal sheet 51 is zigzag, which can adjust the posture of the waveguide module in the frame 10 under the action of the spring 43 and the hand screw 52. In this embodiment, the shape of the first contact metal sheet 41 and the second contact metal sheet 51 is preferably Z-shaped, which is simple and easy to operate.
[0061] After the waveguide module is installed, the waveguide sheet 30 will press the first adjusting system above and the second adjusting system below to form three contact points, so that the waveguide module remains in a balanced state. If the waveguide sheet 30 is low on the left and high on the right after installation, the hand screw 11 in the first adjusting system can be adjusted to lower the height on the right by lifting the first contact metal sheet 41 rotating around the first rotating shaft 44, thereby adjusting the horizontal angle. Conversely, if the waveguide sheet 30 is high on the left and low on the right after installation, the hand screw 11 can be adjusted to increase the height.
[0062] The above describes in detail one near-eye display device according to an embodiment of the present application. The principles and implementation manners of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the method of the present application and its core idea. Meanwhile, for those skilled in the art, the specific implementation manners and application range of the present application can be changed according to the idea of the present application. In summary, the content of the specification should not be understood as a limitation of the present application.
Claims
1. A near-eye display device, comprising: The application relates to a mirror frame, which comprises a mirror frame, a mirror cover, a first adjusting system and a second adjusting system. The mirror frame comprises a first area, a second area and a middle area between the first area and the second area, the middle area is provided with a waveguide module, the waveguide module comprises at least a waveguide sheet, the first area and the second area are provided with a plurality of first threaded holes; The mirror cover is arranged on one side of the mirror frame, and a plurality of second threaded holes are arranged on the mirror cover at positions opposite to the first threaded holes; The first adjusting system comprises at least a hand screw matched with the first threaded holes and a glass bead screw matched with the second threaded holes, the waveguide sheet is clamped between the hand screw and the glass bead screw; The second adjusting system comprises at least a first adjusting assembly arranged in the first area, a second adjusting assembly arranged in the second area and a boss, the first adjusting assembly comprises at least a first contact metal sheet, a guide column and a spring sleeved on the guide column, the first contact metal sheet comprises at least a first head end, a first contact area, the first head end is fixedly connected with the mirror frame, the first contact area is clamped with the spring and abuts against the waveguide sheet, the second adjusting assembly comprises at least a second contact metal sheet and a hand screw, the second contact metal sheet comprises at least a second head end and a second contact area, the second head end is fixedly connected with the mirror frame, the hand screw abuts against the second contact area, and the second contact area and the boss abut against the waveguide sheet.
2. The near-eye display device of claim 1, wherein, The first area is provided with at least one first threaded hole, the second area is provided with at least two first threaded holes, and the number of the first threaded holes is the same as that of the second threaded holes.
3. The near-eye display device of claim 2, wherein, The first contact metal sheet further comprises a first tail end, the first area is recessed to form a first recess in at least a partial area, the first contact metal sheet is arranged in the first recess, a first rotating shaft is arranged in the first recess, the first head end is fixedly connected with the first rotating shaft, and the first tail end is located outside the mirror frame in at least a partial area.
4. The near-eye display device of claim 3, wherein, The guide column is arranged on the side wall of the first recess and extends towards the middle area, and the length of the guide column is smaller than that of the spring.
5. The near-eye display device of claim 4, wherein, The second contact metal sheet further comprises a second tail end, the second area is recessed to form a second recess in at least a partial area, the second contact metal sheet is arranged in the second recess, a second rotating shaft is arranged in the second recess, the second head end is fixedly connected with the second rotating shaft, and the second tail end is located outside the mirror frame in at least a partial area.
6. The near-eye display device of claim 5, wherein, The second area further comprises a first protruding area and a second protruding area, the first protruding area and the second protruding area are arranged side by side, a threaded through hole matched with the hand screw is arranged in the first protruding area, the threaded through hole is communicated with the second recess and is arranged towards the middle area, and the second protruding area is provided with a boss.
7. The near-eye display device of claim 6, wherein, The boss is arranged towards the middle area, the boss is adjacent to the second recess, and the boss is semicircular or trapezoidal.
8. The near-eye display device of claim 7, wherein, The first recess and the second recess are arranged adjacent to the middle area, the first recess is in the shape of an H, and the second recess is in the shape of a T.
9. The near-eye display device of claim 8, wherein, The first contact metal sheet and the second contact metal sheet are identical or different in shape.
10. The near-eye display device of claim 9, wherein, The first contact metal sheet and the second contact metal sheet are both Z-shaped in shape.