CN215729100U - Virtual reality wears display device - Google Patents

Abstract

The utility model discloses a virtual reality head-mounted display device, which comprises: the glasses comprise a glasses shell and two groups of focal length adjusting mechanisms; each group of the focal length adjusting mechanisms comprises a fixed frame, a screw rod and a spiral disc, wherein the fixed frame is in threaded connection with the screw rod, one end of the screw rod is in threaded connection with the inside of the glasses shell, the other end of the screw rod is fixedly connected with the spiral disc, and the spiral disc is exposed out of the glasses shell; first concave lenses are fixed in the fixing frame, wherein a second concave lens is arranged right in front of each first concave lens, a triangular lens is arranged in front of the two second concave lenses, and a convex lens is arranged right behind each first concave lens; the utility model can freely adjust the distance between the two first concave lenses and the corresponding convex lenses, realizes the function of focal length adjustment and improves the watching experience of users.

Description

Virtual reality wears display device

Technical Field

The utility model belongs to the technical field of virtual reality display, and particularly relates to a virtual reality head-mounted display device.

Background

Virtual reality head-mounted display equipment, referred to as VR head-mounted display or VR glasses for short, is a product which utilizes a plurality of technologies such as simulation technology, computer graphics man-machine interface technology, multimedia technology, sensing technology, network technology and the like, and is a brand-new man-machine interaction means created by means of computers and latest sensor technology.

In the chinese utility model patent with publication number CN211293454U, a beam splitter prism and two sets of transparent lenses are arranged in a glasses case, so that the projected video can be recorded and adjusted without professional equipment, the video playing cost is reduced, meanwhile, the light is directly projected on the retina of human eyes through the beam splitter prism and a lens set to form a virtual image, so that the crowd with myopia and hypermetropia can also watch with naked eyes, and the problem that the traditional VR glasses can only display the video recorded by a special video recording device and can not watch with naked eyes is solved; however, the two lens groups in the above patent cannot adjust the focal length, and the physical examination for watching is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide virtual reality head-mounted display equipment to solve the problem that the lens group in the technology cannot realize focal length adjustment, so that the viewing experience is poor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a virtual reality head-mounted display device, comprising: the glasses comprise a glasses shell and two groups of focal length adjusting mechanisms;

each group of the focal length adjusting mechanisms comprises a fixed frame, a screw rod and a spiral disc, wherein the fixed frame is in threaded connection with the screw rod, one end of the screw rod is in threaded connection with the inside of the glasses shell, the other end of the screw rod is fixedly connected with the spiral disc, and the spiral disc is exposed out of the glasses shell;

first concave lenses are fixed in the fixing frame, a second concave lens is arranged right in front of each first concave lens, a triangular lens is arranged in front of each second concave lens, and a convex lens is arranged right behind each first concave lens.

Based on the disclosure, the first concave lenses in the glasses shell are respectively installed in the fixing frame, and the fixing frame is connected to the screw rod in a threaded manner, so that when the glasses are used, a user only needs to stir the screw disk on the glasses shell to drive the screw rod to rotate, and further, the distance between the first concave lens and the convex lens in the fixing frame is adjusted, so that the function of adjusting the focal length is achieved; through the design, the user can freely adjust the distance between the two first concave lenses and the corresponding convex lens, the focal length adjusting function is realized, and the watching experience of the user is improved.

In one possible design, the glasses shell comprises an outer frame and an eyepiece frame, wherein the end surface of the outer frame facing the human face is fixedly connected with the eyepiece frame, and an inner frame is arranged in the outer frame;

one end of the screw rod, which is far away from the screw disc, is in threaded connection with the inner frame, the triangular lens and the second concave lens are both positioned in the inner frame, the convex lens is positioned on the end face of the outer frame facing the eyepiece frame, and the eyepiece frame is provided with a viewing hole corresponding to the position of the convex lens.

Based on the disclosure, the utility model discloses a specific structure of a glasses shell, namely, an outer frame is used as a support main body for supporting the whole head-mounted display device, and a triangular lens and a second concave lens are positioned in the inner frame and are matched with the first concave lens to realize a light refraction function, and finally a virtual image is formed through a convex lens; in addition, the eyepiece frame is provided with a watching hole which corresponds to the position of the glasses of the human body and is used for realizing the watching function.

In one possible design, the end face of the outer frame, which faces away from the eyepiece frame, is fixedly connected with a mobile phone pressing frame, and the mobile phone pressing frame is movably connected with a cover plate.

Based on the disclosure, the mobile phone pressing frame is arranged, so that a user can conveniently place the mobile phone, and the video projection is realized.

In one possible design, the cover closes the eyeglass housing when the cover is closed on the handset bezel.

Based on the above disclosure, the dust can be prevented from entering the glasses shell, and the dustproof function of the internal devices is achieved.

In one possible design, the cover plate is movably connected to the mobile phone pressing frame through a suction assembly;

the attraction component comprises a first magnet and a second magnet with opposite magnetic poles, wherein the first magnet is arranged at two ends of the opening and closing part of the cover plate respectively, and the second magnet corresponding to the first magnet is arranged on the mobile phone pressing frame.

Based on the disclosure, the utility model discloses an opening and closing structure of a cover plate, namely, a magnet with opposite magnetic poles is used for generating attraction force to realize the opening and closing of the cover plate.

In one possible design, the two inner side walls of the mobile phone pressing frame are respectively provided with an anti-slip pad, wherein a front clamping plate is arranged in the mobile phone pressing frame, and a foam pad is arranged on the end face, facing the outer frame, of the front clamping plate.

Based on the disclosure, the anti-skid pad and the foam pad are arranged in the mobile phone pressing frame, so that the anti-skid and protection of the mobile phone can be realized when the mobile phone is placed in the mobile phone pressing frame.

In one possible design, a wearing head band is also movably connected to the eyeglass shell.

In one possible design, the wearing headband is movably connected to the eyeglass shell through a fixing component;

the fixing component comprises a forehead pad cover, a backing plate and a mounting seat, wherein the forehead pad cover is connected with the backing plate in a buckling mode, and the wearing head band is fixed between the forehead pad cover and the backing plate;

the mounting seat is installed on the glasses shell, and the forehead pad cover is movably connected to the mounting seat through a rotating shaft.

Based on the disclosure, the utility model discloses a specific mounting structure of a wearing headband and a glasses shell, namely, the wearing headband is fixed by buckling and connecting a forehead pad cover and a backing plate, and meanwhile, the forehead pad cover is rotationally connected to a mounting seat by using a rotating shaft, so that the wearing headband is movably connected with the glasses shell.

In one possible design, the wearable headband includes a long strap, a short strap, and a buckle;

one end of the short belt and one end of the long belt are fixed between the forehead cushion cover and the cushion plate, and the other end of the short belt and the other end of the long belt are fixed on the belt buckle respectively.

Based on the disclosure, the utility model discloses a specific structure of a wearing headband, namely, the length of a long belt is adjusted by using a belt buckle, so that the tightness of the wearing headband is adjusted, and the uncomfortable feeling of wearing heavy objects is effectively relieved.

In one possible design, the cushion plate and the end face of the belt buckle contacting with the human body are respectively provided with a rubber pad.

Based on the above-mentioned disclosed content, through set up the cushion on backing plate and belt buckle, can slow down the pressure of wearing the head to human skin to improve user's wearing experience.

The utility model has the beneficial effects that:

(1) the utility model can freely adjust the distance between the two first concave lenses and the corresponding convex lenses, realizes the function of focal length adjustment and improves the watching experience of users.

(2) The utility model has good integral sealing performance and excellent dustproof performance.

(3) The utility model has the advantages of adjustable wearing head tightness, heavy object wearing and good wearing experience.

Drawings

Fig. 1 is an exploded schematic view of a virtual reality head-mounted display device provided by the present invention.

Fig. 2 is a schematic perspective view of a virtual reality head-mounted display device provided by the present invention.

Fig. 3 is a schematic structural diagram of a focal length adjustment mechanism provided by the present invention.

Reference numerals: 10-a spectacle housing; 20-a focal length adjustment mechanism; 21-a fixed frame; 22-screw rod; 23-spiral disc; 30-a first concave lens; 31-a second concave lens; 40-triangular lens; a 50-convex lens; 11-an outer frame; 12-eyepiece frame; 13-an inner frame; 14-pressing the frame by the mobile phone; 15-cover plate; 16-a pull-in assembly; 141-non-slip mat; 142-a front snap-gauge; 143-foam pad; 17-wearing a headband; 18-a fixation assembly; 181-forehead pad cover; 182-a backing plate; 183-mounting seat; 184-a rotating shaft; 171-long belt; 172-short belts; 173-belt fastener; 60-rubber cushion; 70-viewing aperture.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the utility model. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Examples

As shown in fig. 1 to 3, in the virtual reality head-mounted display device provided in this embodiment, the first concave lenses 30 in the glasses housing 10 are respectively installed in the fixing frame 21, and the fixing frame 21 is screwed on the screw rod 22, so that when in use, a user only needs to toggle the screw disk 23 on the glasses housing 10 to drive the screw rod 22 to rotate, thereby adjusting the distance between the first concave lens 30 and the convex lens 50 in the fixing frame 21, so as to achieve the function of adjusting the focal length; therefore, the utility model can realize naked eye watching, can also realize free adjustment of the focal length, and improves the watching experience of users.

As shown in fig. 1 to 3, the virtual reality head-mounted display device provided in the first aspect of this embodiment may include, but is not limited to: the glasses shell 10 and the two sets of focal length adjusting mechanisms 20, that is, the focal length adjusting mechanisms 20 are used to adjust the focal length of the imaging lens in the glasses shell 10, so as to achieve better viewing experience.

As shown in fig. 3, 2, and 1, one of the structures of the focus adjustment mechanism 20 is provided as follows:

in the present embodiment, each set of the focal length adjusting mechanism 20 may include, but is not limited to: fixed frame 21, screw rod 22 and spiral shell 23, wherein, fixed frame 21 threaded connection be in on the screw rod 22, the one end threaded connection of screw rod 22 is in the glasses casing 10, the other end fixed connection of screw rod 22 spiral shell 23, just spiral shell 23 exposes glasses casing 10.

Meanwhile, the positional relationship between the focal length adjustment mechanism 20 and the imaging lenses (i.e., the triangular lens 40, the first concave lens 30, the second concave lens 21, and the convex lens 50) is explained:

in this embodiment, the fixing frame 21 is fixed with first concave lenses 30, wherein a second concave lens 31 is disposed right in front of each first concave lens 30, a triangular lens 40 is disposed in front of the two second concave lenses 31, and a convex lens 50 is disposed right behind each first concave lens 30; that is, the convex lens 50 serves as an eyepiece for imaging, and the triangular lens 40, the second concave lens 31, and the first concave lens 30 serve to realize refraction of light.

Referring to fig. 1 and 3, in the present embodiment, when the user uses the head-mounted display device, the adjustment of the distance between the first concave lens 30 and the convex lens 50 on the corresponding position side can be realized by dialing the dial 23; that is, when the screw disk 23 is toggled, the screw rod 22 is driven to rotate, and the fixed frame 21 moves on the screw rod 22, so that the distance between the first concave lens 30 and the convex lens 50 in the fixed frame 21 can be adjusted, and the function of adjusting the focal length is achieved.

Of course, in the present embodiment, the spiral discs 23 may be, but are not limited to, disposed on the left and right sides of the glasses case 10 so as to correspond to the left and right eyes of the human body, so as to achieve the optimal focal length adjustment and thus the optimal viewing experience.

In the present embodiment, the diameter of the first concave lens 30 is exemplified to be smaller than the diameter of the second concave lens 31; for example, the diameter of the first concave lens 30 may be, but is not limited to, 44mm, and the diameter of the second concave lens 31 may be, but is not limited to, 60 mm.

In this embodiment, the imaging principle of the head-mounted display device is as follows: light rays emitted by projection equipment such as a mobile phone loaded in the glasses shell 10 firstly enter the triangular lens 40, the light rays entering from different angles are arranged into parallel light rays through the triangular lens 40 and respectively irradiate the two second concave lenses 31, the refraction of the parallel light rays is realized through the two second concave lenses 31, the refraction of the light rays is realized again through the two first concave lenses 30, so that the emergent angle of the light rays is increased, and finally the light rays irradiate the two convex lenses 50 again to form a virtual image, and the content projected by the projection equipment is displayed.

Therefore, through the design, the virtual reality head-mounted display device provided by the utility model can freely adjust the distance between the two first concave lenses 30 and the corresponding convex lens 50, thereby realizing the function of focal length adjustment and improving the viewing experience of a user.

As shown in fig. 1 and 2, one specific structure of the eyeglass housing 10 is provided as follows:

in this embodiment, for example, the glasses case 10 may include, but is not limited to, an outer frame 11 and an eyepiece frame 12, wherein the eyepiece frame 12 is fixedly connected to an end surface of the outer frame 11 facing the human face, and an inner frame 13 is disposed in the outer frame 11; that is, in the present embodiment, the outer frame 11 serves as a supporting frame of the whole display device, and the eyepiece frame 12 serves as a viewing end for the user to view, that is, the positions of the eyepiece frame 12 corresponding to the eyes of the human body are respectively provided with the viewing holes 70, and the viewing holes 70 are arranged corresponding to the positions of the two convex lenses 50.

In this embodiment, one end of the screw 22 away from the dial 23 is screwed onto the inner frame 13, the triangular lens 40 and the second concave lens 31 are both located in the inner frame 13, and the convex lens 50 is located on an end surface of the outer frame 11 facing the eyepiece frame 12; that is, the inner frame 13 serves as a place for installing the triangular lens 40 and the second concave lens 31, and one end of the screw rod 22 away from the screw disk 23 is screwed to the inner frame 13, thereby fixing the screw rod 22.

That is, with the above-described configuration, the triangular lens 40, the first concave lens 30, and the second concave lens 31 can be mounted in the outer frame 11, and therefore, the entire imaging lens can be mounted on the housing 11 by further fitting the convex lens 50 provided on the end surface of the outer frame 11 facing the eyepiece frame 12.

In the present embodiment, threaded blind holes are formed on the left and right sides of the end surface of the inner frame 13 facing the eyepiece frame 12, and the screw rods 22 are screwed into the threaded blind holes, thereby achieving fixation in the eyeglass housing 10.

In the present embodiment, a frame pad is provided on the end surface of the eyepiece frame 12 facing the human face, for example, to reduce the squeezing of the entire display device against the human face.

As shown in fig. 1 and fig. 2, in this embodiment, in order to put in a projection device such as a mobile phone, a mobile phone pressing frame 14 is further fixedly connected to an end surface of the outer frame 11 facing away from the eyepiece frame 12, and a cover plate 15 is movably connected to the mobile phone pressing frame 14; through the design, the mobile phone can be put in, a video playing source is provided for the display device, and therefore the function of playing videos through the head-mounted display device is achieved.

Meanwhile, in order to protect the mobile phone in the mobile phone pressing frame 14, anti-slip pads 141 are respectively arranged on two inner side walls of the mobile phone pressing frame 14, wherein a front clamping plate 142 is further arranged in the mobile phone pressing frame 14, and a foam pad 143 is arranged on an end surface of the front clamping plate 142 facing the outer frame 11; through the design, the antiskid pad 141 can be used for playing an antiskid function on the mobile phone, and meanwhile, the foam pad 143 can play a buffering function on the mobile phone, so that the mobile phone is further protected.

In addition, in the embodiment, in order to facilitate the opening and closing of the cover plate 15, a suction assembly 16 is further provided to realize the free opening and closing of the cover plate and the mobile phone pressing frame 14.

As shown in fig. 2, in the present embodiment, for example, the attraction component 16 may include, but is not limited to, a first magnet and a second magnet with opposite magnetic poles, wherein the first magnet is respectively disposed at two ends of the opening and closing portion of the cover plate 15, and the second magnet corresponding to the first magnet is disposed on the mobile phone pressing frame 14.

Through the design, the first magnet and the second magnet with opposite magnetic poles can be used for generating attraction, so that when the cover plate 15 is close to the mobile phone press frame 14, the cover plate 15 is closed.

In this embodiment, for example, the first magnets are respectively provided at the left and right ends of the end surface of the cover plate 15 facing the handset pressure frame 14.

In this embodiment, for example, when the cover plate 15 is closed on the mobile phone pressing frame 14, the glasses case 10 is closed; through the design, dust can be prevented from entering the glasses shell 10, and the dustproof function of internal devices is achieved.

As shown in fig. 1 and 2, in order to facilitate the user to wear the display device, a wearing headband 17 is further movably connected to the glasses case 10, so that the display device is fixed on the face of the human body through the wearing headband 17, thereby realizing the wearing of the device.

As shown in fig. 1 and 2, one of the connection structures of the wearing headband 17 and the eyeglass housing 10 is provided as follows:

in the present embodiment, the wearing headband 17 can be, but is not limited to, movably connected to the eyeglass housing 10 by a fixing component 18; while the securing assembly 18 may include, but is not limited to: forehead pad cover 181, pad plate 182, and mount 183.

Referring to fig. 1 and 2, the connection structure of the foregoing components is: the forehead pad cover 181 is connected with the backing plate 182 in a buckling manner, and the wearing headband 17 is fixed between the forehead pad cover 181 and the backing plate 182; namely, the forehead pad cover 181 and the pad plate 182 are fastened on the wearing headband 17, so as to form a fixed connection with the wearing headband 17.

The mounting seat 183 is mounted on the glasses case 10, and the forehead pad cover 181 is movably connected to the mounting seat 183 through a rotating shaft 184.

Through the above design, the wearing head band 17 can be connected to the glasses case 10, and the angle between the wearing head band and the glasses case 10 can be freely adjusted through the rotating shaft 184, so that the user can wear the glasses case conveniently.

In this embodiment, the example mount 183 is fixed to the top surface of the outer frame 11, as shown in fig. 1.

As shown in fig. 1 and 2, one of the structures of the wearing headband 17 is provided as follows:

in the present embodiment, the example wearing headband 17 may include, but is not limited to: long belt 171, short belt 172 and belt clamp 173, wherein, the one end of short belt 172 and the one end of long belt 171 is fixed forehead fills up the lid 181 with between the backing plate 182, the other end of short belt 172 and the other end of long belt 171 is fixed respectively on belt clamp 173.

Through the above design, the length of the long belt 171 is adjusted by using the belt buckle 173, so that the tightness of the wearing head band 17 is adjusted, and the wearing requirements of different users are met.

In addition, the cushion plate 182 and the end surface of the belt buckle 173 contacting with the human body are respectively provided with a rubber pad 60; through the design, the pressure of the head-wearing 17 on the skin of a human body can be slowly worn, so that the wearing comfort of a user is improved.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A virtual reality head-mounted display device, comprising: a spectacle shell (10) and two groups of focal length adjusting mechanisms (20);

each group of the focal length adjusting mechanisms (20) comprises a fixed frame (21), a screw rod (22) and a screw disc (23), wherein the fixed frame (21) is in threaded connection with the screw rod (22), one end of the screw rod (22) is in threaded connection with the inside of the glasses shell (10), the other end of the screw rod (22) is fixedly connected with the screw disc (23), and the screw disc (23) is exposed out of the glasses shell (10);

the fixing frame (21) is internally fixed with first concave lenses (30), wherein a second concave lens (31) is arranged right in front of each first concave lens (30), a triangular lens (40) is arranged in front of each second concave lens (31), and a convex lens (50) is arranged right behind each first concave lens (30).

2. The virtual reality head-mounted display device according to claim 1, wherein the glasses case (10) comprises an outer frame (11) and an eyepiece frame (12), wherein the eyepiece frame (12) is fixedly connected to the end surface of the outer frame (11) facing the human face, and an inner frame (13) is arranged in the outer frame (11);

one end of the screw rod (22) far away from the screw disc (23) is in threaded connection with the inner frame (13), the three-edge lens (40) and the second concave lens (31) are located in the inner frame (13), the convex lens (50) are located on the end face of the outer frame (11) facing the eyepiece frame (12), and a viewing hole (70) corresponding to the position of the convex lens (50) is formed in the eyepiece frame (12).

3. The virtual reality head-mounted display device as claimed in claim 2, wherein a mobile phone pressing frame (14) is fixedly connected to the end surface of the outer frame (11) opposite to the eyepiece frame (12), and a cover plate (15) is movably connected to the mobile phone pressing frame (14).

4. A virtual reality head-mounted display device as claimed in claim 3, wherein the cover plate (15) closes the glasses case (10) when closed on the cell phone press frame (14).

5. The virtual reality head-mounted display device as claimed in claim 3, wherein the cover plate (15) is movably connected to the mobile phone press frame (14) through a suction component (16);

the attraction component (16) comprises a first magnet and a second magnet with opposite magnetic poles, wherein the first magnet is arranged at two ends of the opening and closing part of the cover plate (15), and the second magnet corresponding to the first magnet is arranged on the mobile phone pressing frame (14).

6. The virtual reality head-mounted display device as claimed in claim 3, wherein the cell phone pressure frame (14) is provided with anti-slip pads (141) on two inner side walls, wherein a front card board (142) is arranged in the cell phone pressure frame (14), and a foam pad (143) is arranged on an end surface of the front card board (142) facing the outer frame (11).

7. The virtual reality head-mounted display device as claimed in claim 1, wherein a wearing headband (17) is also movably connected to the glasses case (10).

8. The virtual reality head-mounted display device of claim 7, wherein the wearing headband (17) is movably connected to the glasses case (10) by a fixing component (18);

the fixing component (18) comprises a forehead pad cover (181), a backing plate (182) and a mounting seat (183), wherein the forehead pad cover (181) is connected with the backing plate (182) in a buckling mode, and the wearing headband (17) is fixed between the forehead pad cover (181) and the backing plate (182);

the mounting seat (183) is mounted on the glasses shell (10), and the forehead pad cover (181) is movably connected to the mounting seat (183) through a rotating shaft (184).

9. The virtual reality head-mounted display device of claim 8, wherein the wearing headband (17) comprises a long belt (171), a short belt (172), and a belt buckle (173);

one end of the short belt (172) and one end of the long belt (171) are fixed between the forehead cushion cover (181) and the backing plate (182), and the other end of the short belt (172) and the other end of the long belt (171) are fixed on the belt buckle (173) respectively.

10. The virtual reality head-mounted display device as claimed in claim 9, wherein the pad (182) and the end face of the belt buckle (173) contacting with the human body are respectively provided with a rubber pad (60).

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