Head-mounted AR adjusting mechanism

Abstract

The utility model relates to a head-mounted AR adjusting mechanism, which is applied to the technical field of photoelectric imaging and comprises a horizontal support, a horizontal adjusting mechanism, a height adjusting mechanism, a distance adjusting mechanism, a mounting support and two display mechanisms, and the mounting support is arranged on the horizontal support. When the helmet is used, the horizontal support is installed on the helmet, the horizontal distance between the two optical waveguides and the eye is adjusted through the horizontal adjusting mechanism, the horizontal height of the two optical waveguides is adjusted through the height adjusting mechanism, and the distance between the two optical waveguides is adjusted through the distance adjusting mechanism. The lower mounting seat is rotatably arranged on the upper mounting seat, so that the optical waveguide can rotate in the horizontal direction, the angle of the optical waveguide is further adjusted to adapt to different wearers, and the use convenience of the wearers is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photoelectric imaging technical field especially is related to a head-mounted AR adjusting mechanism. BACKGROUND

[0002] The micro-light infrared dual-channel AR head-mounted device is equipped in a plurality of army general helmets, mainly includes, is applicable to army individual soldier or fighting team cooperation uses or is equipped in special search and rescue forces, the device has the characteristics such as light, miniaturization, simple structure, easy operation, mobility operation, and the device also has the functions such as smoke penetration, mist penetration, contour identification, is applicable to special search and rescue, special combat in the environment of night and lower visibility, the current traditional head-mounted device display end is OLED screen observation or image intensifier direct observation, cannot observe the surrounding scene and situation at close range, the imaging display of the micro-light infrared dual-channel AR head-mounted device of this kind uses light waveguide sheet to display, the wearer can perceive the surrounding real environment through the waveguide sheet and also can observe the surrounding battlefield information displayed on the waveguide sheet, compared with the traditional head-mounted detection display equipment, it is safer and more reliable.

[0003] The head-mounted imaging display device can be equipped on the current active army military helmet, due to the physiological structure difference of the wearer, the interpupillary distance, head circumference, eye point and diopter of the wearer are different, therefore, the head-mounted imaging device needs to have a plurality of degrees of freedom adjustable adjusting devices for adapting to the wearers with different physiological differences, the traditional head-mounted imaging device adopts the adjusting mode of six degrees of freedom of front, back, left, right, up and down, the imaging part of the device mostly adopts two groups of fixed parallel OLED or image intensifier + eyepiece group display ends, the display end cannot be adjusted horizontally, and the wearer needs to observe with parallel eyes, the wearer with normal vision can observe normally, the wearers with slight strabismus may have difficulty in image fusion or observation fatigue, and the wearers with serious eye strabismus are difficult to observe the image fusion, and even cannot see the full field of view.

[0004] Therefore, a head-mounted AR adjusting mechanism is needed to solve the above problems. SUMMARY

[0005] In order to help solve the problems in the prior art, the head-mounted AR adjusting mechanism provided by the utility model adopts the following technical scheme: including: horizontal support, horizontal adjusting mechanism, height adjusting mechanism, spacing adjusting mechanism, mounting bracket and two display mechanisms, the mounting bracket is arranged on the horizontal support,

[0006] The display mechanism includes an upper mounting seat, a lower mounting seat and a light waveguide, the upper mounting seat is arranged on the mounting bracket, the lower mounting seat is arranged on the upper mounting seat in a horizontal rotating mode, and the light waveguide is arranged on the lower mounting seat,

[0007] The horizontal adjusting mechanism is used for adjusting the horizontal distance between the two optical waveguides and the eyes, the height adjusting mechanism is used for adjusting the horizontal height of the two optical waveguides, and the spacing adjusting mechanism is used for adjusting the spacing between the two optical waveguides.

[0008] It is further characterized in that,

[0009] The horizontal support is horizontally provided with a first dovetail sliding rail, a first dovetail sliding block is slidingly arranged on the first dovetail sliding rail, and the first dovetail sliding block is connected with the helmet.

[0010] The horizontal adjusting mechanism comprises a first screw rod, the first screw rod is rotationally arranged on the horizontal support, the first screw rod penetrates the first dovetail sliding block and is threadedly connected with the first dovetail sliding block, and the axial direction of the first screw rod is consistent with the extension direction of the first dovetail sliding rail.

[0011] The horizontal support is vertically provided with a second dovetail sliding rail, and the mounting support is provided with a second dovetail sliding block, which is slidingly arranged on the second dovetail sliding rail.

[0012] The height adjusting mechanism comprises a cam, the cam is rotationally arranged on the side of the horizontal support away from the second dovetail sliding rail;

[0013] The horizontal support is provided with a strip-shaped groove, and the strip-shaped groove extends in the vertical direction;

[0014] The side of the cam close to the second dovetail sliding rail is provided with an adjusting groove, and the adjusting groove extends from the ring side of the cam to the axis of the cam;

[0015] The second dovetail sliding block is provided with an adjusting rod, the end of the adjusting rod penetrates the strip-shaped groove and extends into the adjusting groove.

[0016] The side of the cam away from the second dovetail sliding rail is provided with a first knob.

[0017] The spacing adjusting mechanism comprises two second screw rods, the two second screw rods are respectively rotationally arranged on the two sides of the mounting support, the two second screw rods are coaxially arranged, and the two second screw rods respectively penetrate the two upper mounting seats and are threadedly connected with the corresponding upper mounting seats.

[0018] The spacing adjusting mechanism further comprises two guide rods, the two guide rods are arranged on the mounting support, and the two guide rods respectively penetrate the two upper mounting seats, and the axial direction of the guide rod is consistent with the axial direction of the second screw rod.

[0019] The ends of the two second screw rods away from each other are provided with second knobs.

[0020] The overhanging end of the first screw rod is provided with a third knob.

[0021] The above structure of the utility model can achieve the following beneficial effects:

[0022] In use, the horizontal support is installed on the helmet, the horizontal distance between the two optical waveguides and the eyes is adjusted through the horizontal adjusting mechanism, the horizontal height of the two optical waveguides is adjusted through the height adjusting mechanism, and the distance between the two optical waveguides is adjusted through the distance adjusting mechanism; since the lower mounting seat is rotatably arranged on the upper mounting seat, the optical waveguide can rotate in the horizontal direction, and the angle of the optical waveguide is adjusted to adapt to different wearers, thereby greatly improving the convenience of the wearer. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the structural schematic diagram of the utility model;

[0024] Figure 2 is the structural schematic diagram of the horizontal support in the utility model;

[0025] Figure 3 is the structural sectional schematic diagram of the utility model;

[0026] Figure 4 is the structural schematic diagram of the cam in the utility model;

[0027] Figure 5 is the structural schematic diagram of the distance adjusting mechanism and the display mechanism in the utility model.

[0028] Reference signs: 1, horizontal support; 11, first dovetail sliding rail; 12, second dovetail sliding rail; 13, strip-shaped groove; 2, mounting support; 21, second dovetail sliding block; 22, adjusting rod; 3, display mechanism; 31, upper mounting seat; 32, lower mounting seat; 33, optical waveguide; 4, first dovetail sliding block; 5, first screw rod; 6, cam; 61, adjusting groove; 7, second screw rod; 8, guide rod. DETAILED DESCRIPTION

[0029] In order to enable personnel in the technical field to better understand the utility model scheme, the technical scheme in the utility model embodiments will be clearly and completely described below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0030] It should be noted that the terms "comprising" and "having" and any variations thereof in the specification, claims and accompanying drawings of this utility model are intended to cover non-exclusive inclusion. For example, a process, method, apparatus, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products or devices.

[0031] The following is in conjunction with the appendix Figures 1-5 The present invention will be described in further detail below.

[0032] Example 1: Refer to Figures 1-2 A head-mounted AR adjustment mechanism includes: a horizontal support 1, a horizontal adjustment mechanism, a height adjustment mechanism, a spacing adjustment mechanism, a mounting bracket 2, and two display mechanisms 3, wherein the mounting bracket 2 is mounted on the horizontal support 1;

[0033] The display mechanism 3 includes an upper mounting base 31, a lower mounting base 32, and an optical waveguide 33. The upper mounting base 31 is mounted on the mounting bracket 2, the lower mounting base 32 is horizontally rotatably mounted on the upper mounting base 31, and the optical waveguide 33 is mounted on the lower mounting base 32.

[0034] Based on the above structure, in use, the horizontal bracket 1 is installed on the helmet, the horizontal distance between the two optical waveguides 33 and the eye is adjusted by the horizontal adjustment mechanism, the horizontal height of the two optical waveguides 33 is adjusted by the height adjustment mechanism, and the spacing between the two optical waveguides 33 is adjusted by the spacing adjustment mechanism. Since the lower mounting base 32 is rotatably mounted on the upper mounting base 31, the optical waveguides 33 can rotate in the horizontal direction, thereby adjusting the angle of the optical waveguides 33 to suit different wearers, greatly improving the convenience of use for the wearer.

[0035] like Figures 1-3As shown, in order to facilitate connection with the helmet, the horizontal support 1 is horizontally provided with a first dovetail sliding rail 11, which extends horizontally towards the side away from the wearer's head, and the first dovetail sliding rail 11 is slidingly provided with a first dovetail sliding block 4, which is connected with the helmet, so that the first dovetail sliding rail 11 is clamped on the first dovetail sliding block 4 to complete the installation; and the horizontal adjustment mechanism includes a first screw rod 5, which is rotationally arranged on the horizontal support 1, penetrates through the first dovetail sliding block 4 and is threadedly connected with the first dovetail sliding block 4, and the axial direction of the first screw rod 5 is consistent with the extension direction of the first dovetail sliding rail 11, so that the first dovetail sliding block 4 is relatively slid with the horizontal support 1 by rotating the first screw rod 5, and the horizontal support 1 is moved towards or away from the side of the wearer's head, so as to adjust the distance between the optical waveguide 33 and the wearer's eyes, and the suspended end of the first screw rod 5 is provided with a third knob, so as to facilitate the rotation of the first screw rod 5.

[0036] As shown, Figures 1-4 the horizontal support 1 is vertically provided with a second dovetail sliding rail 12, and the mounting support 2 is provided with a second dovetail sliding block 21, which is slidingly arranged on the second dovetail sliding rail 12, so that the mounting support 2 is installed by slidingly arranging the second dovetail sliding block 21 on the second dovetail sliding rail 12; and the height adjustment mechanism includes a cam 6, which is rotationally arranged on the side of the horizontal support 1 away from the second dovetail sliding rail 12 (the rotation axis of the cam 6 is preferably towards the horizontal direction); the horizontal support 1 is provided with a strip-shaped slot 13 extending in the vertical direction; the side of the cam 6 close to the second dovetail sliding rail 12 is provided with an adjusting slot 61 extending from the ring side of the cam 6 to the axis of the cam 6; the second dovetail sliding block 21 is provided with an adjusting rod 22, the end of which penetrates through the strip-shaped slot 13 and extends into the adjusting slot 61, so that the adjusting rod 22 is in different positions in the adjusting slot 61 by rotating the cam 6, and the adjusting rod 22 moves in the strip-shaped slot 13, so that the mounting support 2 moves up and down on the horizontal support 1, and the height of the optical waveguide 33 is adjusted, and the side of the cam 6 away from the second dovetail sliding rail 12 is provided with a first knob, so as to facilitate the rotation of the cam 6, and a limiting member can also be arranged on the horizontal support 1 to fix the cam 6 when no external force is applied, so that the cam 6 does not rotate freely, such as a corresponding damping mechanism.

[0037] As shown, Figure 1 and Figure 5As shown, the spacing adjustment mechanism comprises two second screws 7, which are respectively arranged on the two sides of the mounting bracket 2, coaxially arranged, respectively threaded on the two upper mounting seats 31, and screwed with the corresponding upper mounting seats 31. In this way, by screwing the second screw 7, the upper mounting seat 31 moves along the axial direction of the second screw 7, so as to adjust the spacing between the two optical waveguides 33. In order to limit the movement of the upper mounting seat 31, the spacing adjustment mechanism further comprises two guide rods 8 arranged on the mounting bracket 2, respectively threaded on the two upper mounting seats 31, and the axial direction of the guide rod 8 is consistent with the axial direction of the second screw 7. In this way, the upper mounting seat 31 can only move along the axial direction of the second screw 7. The two second screws 7 are respectively provided with a second knob at the end away from each other, so as to facilitate the screwing of the second screw 7.

[0038] In summary, during use, the horizontal bracket 1 is installed on the helmet, the horizontal distance between the two optical waveguides 33 and the eyes is adjusted by the horizontal adjustment mechanism, the horizontal height of the two optical waveguides 33 is adjusted by the height adjustment mechanism, and the spacing between the two optical waveguides 33 is adjusted by the spacing adjustment mechanism. Since the lower mounting seat 32 is rotatably arranged on the upper mounting seat 31, the optical waveguide 33 can rotate in the horizontal direction, thereby adjusting the angle of the optical waveguide 33 to adapt to different wearers, greatly improving the convenience of the wearer.

[0039] The specific embodiment is only an explanation of the present application, which is not a limitation of the present application. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A head-mounted AR adjustment mechanism, characterized by, The utility model relates to a kind of display device, including: horizontal support (1), horizontal adjusting mechanism, height adjusting mechanism, spacing adjusting mechanism, mounting support (2) and two display mechanisms (3), the mounting support (2) is set on horizontal support (1); The display mechanism (3) includes upper mounting seat (31), lower mounting seat (32) and optical waveguide (33), the upper mounting seat (31) is set on mounting support (2), the lower mounting seat (32) is horizontally rotationally arranged on the upper mounting seat (31), and the optical waveguide (33) is arranged on the lower mounting seat (32); The horizontal adjusting mechanism is used for adjusting the horizontal distance between the two optical waveguides (33) and the eyes, the height adjusting mechanism is used for adjusting the horizontal height of the two optical waveguides (33), and the spacing adjusting mechanism is used for adjusting the spacing between the two optical waveguides (33). The first dovetail sliding rail (11) is horizontally arranged on the horizontal support (1), the first dovetail sliding block (4) is slidably arranged on the first dovetail sliding rail (11), and the first dovetail sliding block (4) is connected with the helmet.

2. The head-mounted AR adjustment mechanism of claim 1, wherein: The horizontal adjusting mechanism includes a first screw (5), the first screw (5) is rotationally arranged on the horizontal support (1), the first screw (5) is arranged on the first dovetail sliding block (4) and is threadedly connected with the first dovetail sliding block (4), and the axial direction of the first screw (5) is consistent with the extension direction of the first dovetail sliding rail (11).

3. The headgear AR adjustment mechanism of claim 2, wherein: The second dovetail sliding rail (12) is vertically arranged on the horizontal support (1), the second dovetail sliding block (21) is arranged on the mounting support (2), and the second dovetail sliding block (21) is slidably arranged on the second dovetail sliding rail (12).

4. The head-mounted AR adjustment mechanism of claim 1, wherein: The height adjusting mechanism includes a cam (6), the cam (6) is rotationally arranged on the side of the horizontal support (1) away from the second dovetail sliding rail (12).

5. The headgear AR adjustment mechanism of claim 4, wherein: The horizontal support (1) is provided with a strip-shaped groove (13), and the strip-shaped groove (13) extends in the vertical direction. The side of the cam (6) close to the second dovetail sliding rail (12) is provided with an adjusting groove (61), and the adjusting groove (61) extends from the ring side of the cam (6) to the axis of the cam (6). The second dovetail sliding block (21) is provided with an adjusting rod (22), and the end of the adjusting rod (22) penetrates through the strip-shaped groove (13) and extends into the adjusting groove (61). The side of the cam (6) away from the second dovetail sliding rail (12) is provided with a first knob.

6. The headgear AR adjustment mechanism of claim 5, wherein: The spacing adjusting mechanism includes two second screws (7), the two second screws (7) are rotationally arranged on the two sides of the mounting support (2), the two second screws (7) are coaxially arranged, the two second screws (7) are arranged on the two upper mounting seats (31) and are threadedly connected with the corresponding upper mounting seats (31).

7. The head-mounted AR adjustment mechanism of claim 1, wherein: The spacing adjusting mechanism further includes two guide rods (8), the two guide rods (8) are arranged on the mounting support (2), the two guide rods (8) are arranged on the two upper mounting seats (31), and the axial direction of the guide rod (8) is consistent with the axial direction of the second screw (7).

8. The headgear AR adjustment mechanism of claim 7, wherein: ​ 9. The head-mounted AR adjustment mechanism of claim 7, wherein: Two said second screw rods (7) are provided with second knobs at their ends away from each other.

10. The head-mounted AR adjustment mechanism of claim 3, wherein: The suspended end of the first screw rod (5) is provided with a third knob.

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