CN221079080U - VR display device - Google Patents

Abstract

The application provides VR display equipment, which comprises a display shell, a headrest shell, a fixed shell, a rotating shaft, two adapter pieces, a binding belt, a double-shaft motor and two second gears, wherein the display shell is arranged on the headrest shell; the fixed shell is connected to the outer side of the headrest housing, and the inside of the fixed shell comprises an assembly space; the rotating shaft is rotatably connected to the fixed shell; the two adapter pieces are respectively connected to two end parts of the rotating shaft, and a first gear is arranged on the outer side wall of each adapter piece along the circumferential direction of the outer side wall; one end of the binding belt is connected to the top of the display shell, and the other end of the binding belt is wound to the rotating shaft; the double-shaft motor comprises a motor shell and two extension shafts, wherein the motor shell is connected to the fixed shell, the two extension shafts are rotatably connected to the motor shell, and the central axis of each extension shaft is parallel to the central axis of the rotating shaft; each second gear is directly or indirectly connected to the extending shaft and is externally meshed with the first gear; the double-shaft motor drives the second gear to engage with the first gear, and the adapter drives the rotating shaft to rotate, so that the binding belt is wound or rotated out.

Description

VR display device

Technical Field

The application particularly relates to VR display equipment.

Background

Virtual Reality (VR) refers to projecting digitized content to human eyes through an optical imaging system, which essentially presents a subject with a user's viewing angle, and can observe objects in a three-dimensional space in real time without limitation, thus giving the user immersion experience. Light emitted by the display screen is refracted by the optical module and then enters the pupil of the human eye, and the reverse extension line of the light entering the pupil of the human eye is converged at a distance to form a virtual image, namely an image watched by the human eye.

The existing head-mounted display device is worn in a mode that the binding bands are wound on the head in a circle, and the head-mounted display device can be adapted to users with different head-mounted bands by adjusting the relative positions of the two binding bands. However, the weight of the head-mounted display device is mainly concentrated on the front side, so that the front and rear weights of the head-mounted display device are different, and therefore, the head-mounted display device is easy to fall forward in wearing, so that the pressure born by the face of a user is large, and the wearing experience of the user is reduced.

Disclosure of Invention

The application provides VR display equipment, which aims to solve the technical problems that the weight of the head-mounted display equipment is mainly concentrated on the front side, so that the front and rear weights of the head-mounted display equipment are different, the head-mounted display equipment is easy to fall down in wearing, the pressure born by the face of a user is high, and the wearing experience of the user is reduced.

The application provides VR display equipment, which comprises a display shell, a headrest shell, a fixed shell, a rotating shaft, two adapter pieces, a binding belt, a double-shaft motor and two second gears, wherein the display shell is used for matching the face of a user; the headrest shell is arranged opposite to the display shell and is used for matching with the back of the brain of a user; the fixed shell is connected to the outer side of the headrest housing, and the inside of the fixed shell comprises an assembly space; the rotating shaft is arranged in the assembly space and is rotatably connected to the fixed shell; the two adapter pieces are respectively connected to two end parts of the rotating shaft, and a first gear is arranged on the outer side wall of each adapter piece along the circumferential direction of the outer side wall; one end of the binding belt is connected to the top of the display shell, and the other end of the binding belt is wound to the rotating shaft; the double-shaft motor comprises a motor shell and two extending shafts, wherein the motor shell is connected to the fixed shell, the two extending shafts are rotatably connected to the motor shell, and the central axis of each extending shaft is parallel to the central axis of each rotating shaft; each second gear is directly or indirectly connected to the protruding shaft and is externally meshed with the first gear; the double-shaft motor drives the second gear to be meshed with the first gear, and the adapter piece drives the rotating shaft to rotate, so that the binding belt is wound or rotated out.

Optionally, the VR display device further includes a dual-shaft driving part, two linkage sleeves, and two gear shafts, where the dual-shaft driving part includes a machine body and two driving arms, the machine body is connected to the fixed housing, and a center line of the machine body coincides with a center line of the motor housing; the two driving arms are connected to the machine body in a telescopic mode, and the central axes of the driving arms are parallel to the central axis of the extending shaft; each linkage sleeve comprises a first end part and a second end part which are opposite, wherein the first end part is directly or indirectly connected to the second gear, the second end parts are slidably sleeved on the end parts of the two extension shafts, and each driving arm is connected to one linkage sleeve through a fixing piece; one end of each gear shaft is slidably arranged on the first end part in a penetrating way, and the other end of each gear shaft is arranged on the second gear in a penetrating way and is rotatably connected to the fixed shell; wherein, the actuating arm promotes the linkage sleeve sliding connection to the extension shaft to with the linkage sleeve with the relative locking of extension shaft, make the extension shaft can utilize the linkage sleeve drive the second gear is rotatory.

Optionally, at least one first protrusion is arranged on the inner side wall of the linkage sleeve, which is positioned at the second end part, a second protrusion is arranged on the outer side wall of the end part of the extension shaft, and the second protrusion is inserted into the second end part; the first protrusion may be partially coplanar with the second protrusion when the driving arm pushes the linking sleeve to slide with respect to the extension shaft, and the first protrusion may abut the second protrusion when the extension shaft rotates, such that the linking sleeve is rotated.

Optionally, the second protrusion is disposed along an axial direction of the protruding shaft, and an end surface of the second protrusion is disposed flush with an end surface of the protruding shaft; the outer side wall of the extension shaft comprises more than two second bulges, and the second bulges are distributed along the circumferential direction of the extension shaft.

Optionally, the lateral wall of gear shaft has offered the spacing groove along its axial, the inside wall of second gear is equipped with the stopper, the stopper card is gone into in the spacing groove.

Optionally, an assembling groove is formed in the inner side wall of the fixed shell, which is away from the headrest shell, and the assembling groove is communicated with the assembling space; the double-shaft motor is arranged at the center of the assembly groove.

Optionally, the adaptor is located at the outer side of the fixed housing, and a first groove is formed by the adaptor facing to an end face of the fixed housing in a concave manner; a spiral spring is arranged between the adapter and the fixed shell, sleeved outside the rotating shaft and positioned in the first groove; one end of the spiral spring is connected to the fixed shell, and the other end of the spiral spring is connected to the rotating shaft or the adapter.

Optionally, the adapter deviates from an end face indent of fixed casing forms the second recess, be equipped with at least one strengthening rib in the second recess, the strengthening rib is followed the radial setting of adapter.

Optionally, the VR display apparatus further includes a bracket, a support base, a first roller, and a second roller, the bracket being connected to an inner side of the headrest housing and adapted to fit behind a brain of a user; the support seat is connected to the outer side of the bracket; the first roll shaft is rotatably connected to the supporting seat, the central axis of the first roll shaft is parallel to the central axis of the rotating shaft, and the first roll shaft can be pressed to the upper surface of the binding belt; the second roller is rotatably connected to the supporting seat, the central axis of the second roller is parallel to the central axis of the rotating shaft, and the second roller can be abutted to the upper surface of the binding band.

Optionally, a mounting seat is detachably arranged at the center of the top of the display shell, and one end of the binding belt is connected to the mounting seat.

The application provides VR display equipment, which utilizes a double-shaft motor to drive a second gear to rotate and utilizes gear meshing to drive an adapter to move, so that a binding belt can be wound or rotated out through a rotating shaft, and the binding belt can be suitable for users with different head circumferences. When the belt is worn, the double-shaft motor is utilized to automatically tighten the binding belt, so that the belt is convenient for a user to wear, and meanwhile, the wearing stability can be improved, and the belt is not easy to slide and shake.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a VR display device provided by the present application;

fig. 2 is a schematic structural diagram of a bracket and a supporting seat in a VR display device provided by the application;

Fig. 3 is a cross-sectional view of a stationary housing in a VR display device provided by the present application;

Fig. 4 is a schematic view of a partial explosion of a VR display device provided by the present application;

FIG. 5 is a cross-sectional view of a protruding shaft and a linkage sleeve in a VR display device provided in the present application;

Fig. 6 is an exploded schematic view of a gear shaft and a second gear in the VR display device provided by the application.

Reference numerals illustrate:

100. A display housing; 110. a mounting base; 200. a headrest housing; 210. a bracket; 220. a support base; 221. a first roller shaft; 222. a second roller shaft; 300. a strap; 400. a fixed housing; 410. an assembly space; 420. an assembly groove; 510. a rotating shaft; 520. an adapter; 521. a first gear; 522. a first groove; 523. a second groove; 524. reinforcing ribs; 530. a volute spring; 600. a biaxial motor; 610. a motor housing; 620. a projecting shaft; 621. a second protrusion; 700. a biaxial drive member; 710. a body; 720. a driving arm; 800. a linkage sleeve; 810. a first end; 820. a second end; 821. a first protrusion; 830. clamping strips; 900. a gear shaft; 910. a second gear; 911. a limiting block; 920. a limit groove; 930. a clamping groove.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the application. In the present application, unless otherwise indicated, terms of orientation such as "upper", "lower", "left" and "right" are generally used to refer to the directions of the upper, lower, left and right sides of the device in actual use or operation, and are specifically shown in the drawings.

The present application provides a VR display apparatus, which will be described in detail below. It should be noted that the following description order of the embodiments is not intended to limit the preferred order of the embodiments of the present application. In the following embodiments, the descriptions of the embodiments are focused on, and for the part that is not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

Referring to fig. 1, the present application provides a VR display apparatus, which includes a display housing 100, a headrest housing 200, and two headbands, wherein the display housing 100 is disposed opposite to the headrest housing 200, the display housing 100 is used to match the face of a user, and the headrest housing 200 is used to match the back of the brain of the user. One end of each headband is connected to the display housing 100 and the other end is connected to the headrest housing 200 so that the VR display device can be worn on the head of a user.

Referring to fig. 1, a strap 300 is provided between a display housing 100 and a headrest housing 200, a mount 110 is detachably provided at the center of the top of the display housing 100 by a fastening screw, one end of the strap 300 is connected to the mount 110 such that the strap 300 is connected to the display housing 100, and the other end of the strap 300 is retractably connected to the headrest housing 200, so that the length of the strap 300 can be controlled such that the strap 300 can be attached to the top of the head of a user.

Referring to fig. 1 and 3, a fixed housing 400 is provided at an outer side of the headrest housing 200, and the fixed housing 400 is located on a central axis of the headrest housing 200. The inside of the fixed housing 400 includes an assembling space 410, and an assembling groove 420 is formed at an inner side wall of the fixed housing 400 facing away from the headrest housing 200, the assembling groove 420 communicates with the assembling space 410, and the assembling groove 420 is formed at a height slightly lower than the center of the assembling space 410.

Referring to fig. 1 and 3, a rotating shaft 510, two adapters 520 and two spiral springs 530 are disposed in the fixed housing 400, the rotating shaft 510 is disposed in the assembly space 410, and two ends of the rotating shaft 510 penetrate out of the fixed housing 400 and are rotatably connected with the fixed housing 400 through rolling bearings. The two adapters 520 are located at the outer side of the fixed housing 400 and are respectively connected to both ends of the rotation shaft 510 such that the adapters 520 can be rotated in synchronization with the rotation shaft 510. The top of the fixing case 400 is provided with a transverse slot through which the end of the strap 300 may pass and be wound around the outer sidewall of the rotation shaft 510, so that the rotation shaft 510 may be used to control the strap 300 to be wound or wound out, so that the strap 300 may be adapted to users with different head bands.

Referring to fig. 3, the adaptor 520 is recessed toward an end surface of the fixed housing 400 to form a first groove 522, and the spiral spring 530 is disposed between the adaptor 520 and the fixed housing 400 and is located inside the first groove 522. One end of the spiral spring 530 is connected to the fixed housing 400, and the other end thereof is connected to the rotation shaft 510 or the adapter 520.

When the adapter 520 drives the rotation shaft 510 to rotate, the spiral spring 530 arranged in the first groove 522 is in a compressed state, and when the adapter 520 drives the rotation shaft 510 to rotate reversely, the spiral spring 530 can convert the elastic force of the spiral spring 530 into the driving force, so that the rotation shaft 510 is assisted to reset.

Referring to fig. 3 to 6, a biaxial motor 600, a biaxial driving member 700, two linking sleeves 800, two gear shafts 900 and two second gears 910 are provided in the assembly groove 420. The biaxial motor 600 includes a motor housing 610 and two protruding shafts 620, the motor housing 610 being connected to the bottom wall of the fitting groove 420, the two protruding shafts 620 being rotatably connected to opposite ends of the motor housing 610. The biaxial drive member 700 includes a body 710 and two drive arms 720, the body 710 being connected to the bottom wall of the fitting groove 420, the two drive arms 720 being telescopically connected to opposite ends of the body 710.

Referring to fig. 3 to 6, the biaxial motor 600 is juxtaposed with the biaxial driving member 700 such that the center line of the body 710 coincides with the center line of the motor housing 610 and is disposed at the center of the assembly groove 420. The central axis of the driving arm 720, the central axis of the protruding shaft, and the central axis of the rotating shaft 510 are all parallel.

Referring to fig. 3-6, each linkage sleeve 800 includes opposite first and second ends 810, 820, the second ends 820 slidably fit over the ends of the extension shaft 620, and each drive arm 720 may be connected to one linkage sleeve 800 by a fastener. The first end 810 of the linkage sleeve 800 is slidably coupled to the end of the gear shaft 900 while the other end of the gear shaft 900 passes through the second gear 910 and is rotatably coupled to the fixed housing 400. The driving arm 720 can be used to drive the linkage sleeve 800 to slide along the axial direction of the extension shaft 620, and the positions of the gear shaft 900 and the second gear 910 remain unchanged.

Referring to fig. 3-6, the inner side wall of the linkage sleeve 800 is provided with a clamping strip 830 along the axial direction thereof, and the outer side wall of the gear shaft 900 is provided with a clamping groove 930 along the axial direction thereof, wherein the clamping strip 830 is embedded into the clamping groove 930, so that the position accuracy of the linkage sleeve 800 during movement can be limited. Meanwhile, the clamping force between the clamping strip 830 and the clamping groove 930 can be utilized, so that the linkage sleeve 800 can drive the gear shaft 900 to rotate.

Referring to fig. 3-6, a first gear 521 is disposed on an outer sidewall of each adapter 520 along an axial direction thereof, and the second gear 910 is engaged with the first gear 521, so that the rotation shaft 510 can be driven to rotate by gear engagement.

Referring to fig. 3 to 6, the inner sidewall of the coupling sleeve 800 at the second end 820 is provided with at least one first protrusion 821, while the outer sidewall of the end of the protruding shaft 620 is provided with at least one second protrusion 621, and both the end of the protruding shaft 620 and the second protrusion 621 are inserted into the second end 820. In the present application, two first protrusions 821 are disposed in the coupling sleeve 800, and the first protrusions 821 are arranged along the circumferential direction of the coupling sleeve 800. Two second protrusions 621 are provided at the outer side wall of the extension shaft 620, and the second protrusions 621 are arranged in the circumferential direction of the extension shaft 620.

Referring to fig. 3 to 6, the second protrusions 621 are disposed along the axial direction of the protruding shaft 620, and the end surfaces of the second protrusions 621 are flush with the end surfaces of the protruding shaft 620. When the driving arm 720 drives the linkage sleeve 800 to slide relative to the extension shaft 620, the first protrusion 821 and the second protrusion 621 gradually approach to each other until the first protrusion 821 and the second protrusion 621 are partially coplanar, at this time, the biaxial driving element 700 automatically pauses, and the biaxial motor 600 drives the extension shaft 620 to rotate until the first protrusion 821 abuts against the second protrusion 621, so that the linkage sleeve 800 and the extension shaft 620 are locked relatively, and the linkage sleeve 800 can be driven to rotate by using the extension shaft 620, so that the linkage sleeve 800 can drive the second gear 910 to rotate by using the gear shaft 900.

Referring to fig. 3-6, the outer side wall of the gear shaft 900 is provided with a limiting groove 920 along the axial direction thereof, and the inner side wall of the second gear 910 is provided with a limiting block 911, and the limiting block 911 can be clamped into the limiting groove 920, so that the second gear 910 is driven to rotate by the gear shaft 900.

Referring to fig. 3, an end surface of the adapter 520 facing away from the fixed housing 400 is concavely formed with a second groove 523, so that the weight of the adapter 520 can be reduced. At least one reinforcing rib 524 is disposed in the second groove 523, and the reinforcing rib 524 is disposed along the radial direction of the adapter 520, thereby increasing the strength of the adapter 520.

Referring to fig. 1 and 2, a bracket 210 is provided on an inner side of the headrest housing 200, the bracket 210 is capable of fitting to the brain of a user, a support base 220, a first roller 221 and a second roller 222 are provided on the bracket 210, and the support base 220 is fixed to an outer side of the bracket 210 and is disposed near an upper end of the bracket 210. The first roller shaft 221 and the second roller shaft 222 are rotatably connected to the supporting base 220, and the central axis of the first roller shaft 221, the central axis of the second roller shaft 222, and the central axis of the rotating shaft 510 are all parallel to each other. A gap is left between the first roller 221 and the second roller 222 so that the end of the strap 300 can pass through the gap, and the first roller 221 can be pressed against the upper surface of the strap 300, and the second roller 222 can be abutted against the lower surface of the strap 300, so that the accuracy of the strap 300 when being wound or rolled out can be increased by the combination of the first roller 221 and the second roller 222, while the strap 300 is more easily fitted to the top of the head of the user.

The foregoing has provided a VR display device in detail, and specific examples have been presented herein to illustrate the principles and embodiments of the present application, the above examples being provided solely to assist in the understanding of the methods of the present application and their core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

Claims (10)

1. A VR display device, comprising:

A display housing for matching a user's face;

A headrest housing disposed opposite the display housing for matching a user's back of the brain;

A fixed housing connected to an outer side of the headrest housing and including an assembly space therein;

The rotating shaft is arranged in the assembly space and is rotatably connected to the fixed shell;

The two adapter pieces are respectively connected to two end parts of the rotating shaft, and a first gear is arranged on the outer side wall of each adapter piece along the circumferential direction of each adapter piece;

a binding band, one end of which is connected to the top of the display housing, and the other end of which is wound around the rotating shaft;

The double-shaft motor comprises a motor shell and two extending shafts, wherein the motor shell is connected to the fixed shell, the two extending shafts are rotatably connected to the motor shell, and the central axis of each extending shaft is parallel to the central axis of each rotating shaft; and

Two second gears, each of which is directly or indirectly connected to the projecting shaft and is externally engaged with the first gear;

The double-shaft motor drives the second gear to be meshed with the first gear, and the adapter piece drives the rotating shaft to rotate, so that the binding belt is wound or rotated out.

2. The VR display device of claim 1, further comprising:

The double-shaft driving piece comprises a machine body and two driving arms, the machine body is connected to the fixed shell, and the central line of the machine body is coincident with the central line of the motor shell; the two driving arms are connected to the machine body in a telescopic mode, and the central axes of the driving arms are parallel to the central axis of the extending shaft;

The two linkage sleeves comprise a first end part and a second end part which are opposite, the first end part is directly or indirectly connected to the second gear, the second end part is slidably sleeved on the end parts of the two extension shafts, and each driving arm is connected to one linkage sleeve through a fixing piece; and

One end of each gear shaft is slidably arranged on the first end part in a penetrating way, and the other end of each gear shaft is arranged on the second gear in a penetrating way and is rotatably connected to the fixed shell;

The driving arm pushes the linkage sleeve to be connected to the extension shaft in a sliding mode so as to lock the linkage sleeve and the extension shaft relatively, and the extension shaft can drive the second gear to rotate by utilizing the linkage sleeve and the gear shaft.

3. The VR display device as set forth in claim 2, wherein,

The inner side wall of the linkage sleeve, which is positioned at the second end part, is provided with at least one first bulge, the outer side wall of the end part of the extension shaft is provided with a second bulge, and the second bulge is inserted into the second end part;

The first protrusion may be partially coplanar with the second protrusion when the driving arm pushes the linking sleeve to slide with respect to the extension shaft, and the first protrusion may abut the second protrusion when the extension shaft rotates, such that the linking sleeve is rotated.

4. The VR display device of claim 3, wherein,

The second bulge is arranged along the axial direction of the extension shaft, and the end surface of the second bulge is arranged flush with the end surface of the extension shaft;

The outer side wall of the extension shaft comprises more than two second bulges, and the second bulges are distributed along the circumferential direction of the extension shaft.

5. The VR display device of claim 2, further comprising:

The limiting groove is formed in the outer side wall of the gear shaft along the axial direction of the gear shaft, a limiting block is arranged on the inner side wall of the second gear, and the limiting block is clamped into the limiting groove.

6. The VR display device as set forth in claim 1, wherein,

An assembly groove is formed in the position, away from the inner side wall of the headrest shell, of the fixed shell, and the assembly groove is communicated with the assembly space;

the double-shaft motor is arranged at the center of the assembly groove.

7. The VR display device as set forth in claim 1, wherein,

The adaptor is positioned on the outer side of the fixed shell, and a first groove is formed by the adaptor facing inwards towards one end face of the fixed shell;

A spiral spring is arranged between the adapter and the fixed shell, sleeved outside the rotating shaft and positioned in the first groove; one end of the spiral spring is connected to the fixed shell, and the other end of the spiral spring is connected to the rotating shaft or the adapter.

8. The VR display device as set forth in claim 1, wherein,

The adapter is far away from an end face of the fixed shell and is concave to form a second groove, at least one reinforcing rib is arranged in the second groove, and the reinforcing rib is arranged along the radial direction of the adapter.

9. The VR display device of claim 1, further comprising:

A bracket connected to an inner side of the headrest housing and adapted to fit behind a user's brain;

A support base connected to an outer side of the bracket;

The first roll shaft is rotatably connected to the supporting seat, the central axis of the first roll shaft is parallel to the central axis of the rotating shaft, and the first roll shaft can be pressed to the upper surface of the binding band; and

The second roll shaft is rotatably connected to the supporting seat, the central axis of the second roll shaft is parallel to the central axis of the rotating shaft, and the second roll shaft can be abutted to the upper surface of the binding band.

10. The VR display device as set forth in claim 1, wherein,

The center department of the top of display shell detachably is equipped with the mount pad, the one end of bandage is connected to the mount pad.