Head mounted display

Abstract

The utility model relates to a head-mounted display, which comprises a shell, a bracket and a mask, wherein the bracket is arranged on the rear side of the shell; the mask can be assembled and disassembled on the bracket and is arranged on the rear side of the shell; the support is provided with an elastic fastener and at least one positioning portion, the elastic fastener is provided with an elastic arm extending to the rear end of the support and a buckling portion protruding to the free end of the elastic arm, and the positioning portion is arranged on the rear surface of the support. At least one positioning elastic piece is arranged on the inner side wall of the mask, a buckling part is arranged at the free end of the positioning elastic piece, and at least one limiting piece is arranged at the front end of the mask. The elastic fastener extends into the mask, the buckling part is buckled into the buckling part, and the positioning part and the limiting part are aligned and combined with each other, so that the assembly stability of the mask is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a head mounted display especially relates to a head mounted display with detachable mask and good assembly stability. BACKGROUND

[0002] The head mounted display is a kind of man-machine interaction device that can be used in virtual reality (VR), augmented reality (AR), mixed reality (MR) and other application fields, and provides visual and auditory feedback for user.The structure generally includes display device and mask and headband two big parts that the display device is fixed and worn on the head of user.And for the purpose of cleaning or replacing of user, the mask part is often set to the structure that can be detached.

[0003] As Chinese patent No.217718266 discloses a virtual implementation glasses with eyeshade, including a shell, a first eyeshade and a second eyeshade, the first eyeshade is installed on one side of the shell, and the second eyeshade can be detachably arranged on one side of the first eyeshade.The side of the shell close to the first eyeshade is provided with a plurality of clamping grooves and a plurality of positioning grooves, the side of the first eyeshade close to the shell is provided with a plurality of clamping blocks and a plurality of positioning plug blocks, the clamping blocks are combined with the clamping grooves, and the positioning plug blocks are combined with the positioning grooves, so that the first eyeshade is installed and fixed to the shell.The side of the first eyeshade close to the second eyeshade is provided with a plurality of first magnets, and the side of the second eyeshade close to the first eyeshade is provided with a plurality of second magnets, the first magnets and the second magnets are magnetically adsorbed, so that the disassembly of the first eyeshade and the second eyeshade is more convenient.

[0004] However, in this kind of structure design, the first magnet and the second magnet are easy to produce magnet oxidation and rust phenomenon after long-term use and affect magnetic attraction.In addition, since the first eyeshade and the second eyeshade lack further limiting structure, the first eyeshade and the second eyeshade are easy to fall off under the action of external force, thereby affecting assembly stability.In view of the above shortcomings, it is necessary to provide a head mounted display, especially a head mounted display with detachable mask and good assembly stability. SUMMARY

[0005] The utility model aims at providing a head mounted display, especially relates to a head mounted display with detachable mask and good assembly stability.

[0006] In order to overcome the deficiencies of the prior art, the utility model discloses a head-mounted display, containing a casing. A support, the support is installed on the back side of the casing. At least one elastic fastener, the elastic fastener has a elastic arm shaped by the rear surface of the support extends backward and a holding part arranged on the free end of the elastic arm and shaped by the outer side wall of the elastic arm outwardly protrudes, the adjacent place of the elastic arm and the holding part forms a buckling surface. At least one positioning part, the positioning part is arranged on the rear surface of the support. A face cover, the face cover can be detachably arranged on the support and arranged on the back side of the casing. At least one positioning elastic sheet, the positioning elastic sheet is arranged on the inner side wall of the face cover and can be elastically deformed, the free end of the positioning elastic sheet is provided with a buckle part, the front side wall of the buckle part forms a buckle surface, the buckle part and the holding part are buckled with each other, and the buckle surface is aligned with the buckling surface. And at least one limiting piece, the limiting piece is arranged on the front surface of the face cover and is arranged to combine the positioning part.

[0007] Further, the front end of the holding part is provided with a guide surface, a connecting surface is arranged between the buckling surface and the guide surface, the rear end of the elastic arm extends backward and outwardly to form the buckling surface facing the support, and the thickness of the front end of the holding part increases from front to back, the rear end of the buckling surface extends backward to form the connecting surface, the rear end of the connecting surface extends backward and inwardly to form the guide surface facing the face cover, and the thickness of the rear end of the holding part decreases from front to back.

[0008] Further, the inner side wall of the face cover is provided with at least one slot, the slot penetrates the front surface of the face cover forwardly, and the positioning elastic sheet is accommodated in the slot and shaped by the rear side wall of the slot to extend forwardly.

[0009] Further, the buckle part is a through hole penetrating the free end of the positioning elastic sheet.

[0010] Further, each positioning part includes a positioning hole recessed in the rear surface of the support, the limiting piece is arranged as a protruding column structure and shaped by the front surface of the face cover to extend forwardly, and the limiting piece is combined in the positioning hole in position.

[0011] Further, each positioning part includes a positioning column shaped by the front surface of the support to protrude forwardly and a lock hole penetrating the front surface of the positioning column, the inner surface of the casing extends backwardly to form at least one fixing column aligned with the positioning column, the surface of each fixing column is recessed inwardly to form a blind hole, and the blind hole and the lock hole are aligned with each other.

[0012] Further, the mask comprises an outer frame part, an inner frame part, a hollow part and at least one reinforcing rib, the outer frame part is formed on the outer wall of the mask, the inner frame part is formed on the inner wall of the mask, the hollow part is formed between the outer frame part and the inner frame part, the reinforcing rib is arranged in the hollow part and connected between the outer frame part and the inner frame part, the side wall of the inner frame part is provided with at least one slot communicating with the hollow part, the positioning elastic sheet is accommodated in the slot and formed by horizontally extending forward from the rear wall of the slot, and the limiting piece is arranged on the front wall of the inner frame part.

[0013] Further, the shell and the support jointly define a containing space for accommodating a display module, the rear end of the support extends a seat body towards the rear, the seat body is aligned and accommodated in the inner frame part, the elastic buckle is arranged on the outer side of the seat body, the seat body is provided with a pair of holes penetrating through the front and rear ends of the support, and the display module is arranged in the holes.

[0014] Further, one side of the mask is provided with a face-relying part, the face-relying part is made of soft material, and the bottom edge of the face-relying part is centrally recessed to form a nose-relying part.

[0015] Further, the display module comprises a key structure and a light-emitting unit, the front surface of the support extends a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is supported on one side of the key structure, the end of the second reinforcing rib is recessed inward to form a groove for fixing the light-emitting unit, the shell is provided with a key hole and a lamp hole, the key structure is arranged in the key hole, and the light-emitting unit is arranged in the lamp hole.

[0016] In summary, the head-mounted display comprises the shell, the support arranged on the rear side of the shell and the mask capable of being detachably arranged on the support and arranged on the rear side of the shell. The support is provided with the elastic buckle and the positioning part, the elastic buckle has the elastic arm extending from the rear end of the support and the buckle part protruding from the free end of the elastic arm, the abutting surface is formed between the elastic arm and the buckle part, and the positioning part is arranged on the rear surface of the support. The inner wall of the mask is provided with the positioning elastic sheet, the free end of the positioning elastic sheet is provided with the buckle part, the front wall of the buckle part forms the buckle surface, and the front end of the mask is provided with the limiting piece. By extending the elastic buckle into the mask, the buckle part is buckled into the buckle part, the abutting surface and the buckle surface are aligned with each other, the positioning part and the limiting piece are aligned and combined with each other, and the assembly stability of the mask is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is the perspective view of the head-mounted display of the utility model.

[0018] Figure 2 It is the explosion view of the head-mounted display of the utility model.

[0019] Figure 3 It is another explosion view of the head-mounted display of the utility model.

[0020] Figure 4 It is the sectional view of the head-mounted display of the utility model along the I-I line. Figure 1

[0021] Figure 5 It is the enlarged view of the head-mounted display of the utility model in the A part. Figure 4

[0022] Figure 6 It is the perspective view of the mask of the head-mounted display of the utility model.

[0023] Figure 7 It is the perspective view of the support of the head-mounted display of the utility model.

[0024] Figure 8 It is the perspective view of the shell of the head-mounted display of the utility model.

[0025] Figure 9 It is another explosion view of the head-mounted display of the utility model. DETAILED DESCRIPTION

[0026] In order to explain the technical content, structural features, achieved purposes and technical effects of the utility model in detail, the following embodiments are exemplified and described in detail with reference to the drawings.

[0027] Please refer to Figures 1 to 3 The utility model discloses a head-mounted display 100, containing a casing 10, a display module 4 that is contained in the casing 10 inside and a mask 3 that can be detachably assembled to the rear side of the casing 10. The casing 10 is combined by a shell 1 and a support 2, the support 2 is installed on the rear side of the shell 1, and the shell 1 and the support 2 jointly define a containing space to contain the display module 4.

[0028] Please refer to Figure 2 And Figure 3 ​​In order to detachably assemble the mask 3 to the rear side of the casing 10, the rear surface of the bracket 2 is provided with at least one elastically deformable elastic fastener 21 and at least one positioning part 22, the inner side wall of the mask 3 is provided with at least one elastically deformable positioning elastic sheet 32, and the front surface of the mask 3 is provided with at least one limiting part 33. By extending the elastic fastener 21 into the mask 3 to buckle to the positioning elastic sheet 32, and aligning and combining the positioning part 22 and the limiting part 33 with each other, the mask 3 can be assembled to the rear side of the casing 10.

[0029] Please refer to Figure 2 , Figure 4 and Figure 5 , the number of the elastic fasteners 21 is two and symmetrically arranged on the left and right outer sides of the bracket 2. Each of the elastic fasteners 21 has a spring arm 211 and a holding part 212, the spring arm 211 is shaped by extending backward from the rear surface of the bracket 2 toward the mask 3, and the holding part 212 is arranged at the free end of the spring arm 211 and shaped by the outer side wall of the spring arm 211 outwardly protruding. The cross-sectional shape of the holding part 212 is generally trapezoidal, the holding part 212 includes a buckling surface 213, a connecting surface 214 and a guide surface 215, the buckling surface 213 is arranged adjacent to the spring arm 211 and the holding part 212, the connecting surface 214 is connected and arranged between the buckling surface 213 and the guide surface 215, and the guide surface 215 is arranged at the front end of the holding part 212. The buckling surface 213 is shaped by extending backward and outwardly inclined from the rear end of the spring arm 211, faces the bracket 2, and makes the thickness of the front end of the holding part 212 increase from front to back. The connecting surface 214 extends horizontally backward from the rear end of the buckling surface 213, and the guide surface 215 is shaped by extending backward and inwardly inclined from the rear end of the connecting surface 214, faces the mask 3, and makes the thickness of the rear end of the holding part 212 decrease from front to back.

[0030] Please refer to Figure 2 , Figure 4 and Figure 5The face mask 3 comprises at least one slot 31 and the positioning elastic sheet 32 accommodated in the slot 31. The number of the slots 31 is two and the slots 31 are arranged on the left and right inner walls of the face mask 3. The slots 31 penetrate the front surface of the face mask 3 forwardly. The number of the positioning elastic sheets 32 is two and the positioning elastic sheets 32 are shaped by extending forwardly from the rear walls of the slots 31 horizontally. The free ends of the positioning elastic sheets 32 can be elastically deformed inwardly or outwardly in the slots 31. The free ends of the positioning elastic sheets 32 are provided with a buckle portion 321. The buckling portion 212 is buckled to the buckle portion 321. The front wall of the buckle portion 321 forms a buckle surface 322 which is inclined forwardly and aligned with the buckling surface 213, so that the elastic buckle 21 is correspondingly combined with the positioning elastic sheet 32. In this embodiment, the buckle portion 321 is a through hole penetrating the free end of the positioning elastic sheet 32.

[0031] Please refer to Figure 5 In order to successfully assemble the face mask 3 to the support 2, the free end of the positioning elastic sheet 32 pushes against the guide surface 215 along the assembling direction. The guide surface 215 can reduce the resistance during assembly. At this time, the positioning elastic sheet 32 is elastically deformed outwardly and the elastic buckle 21 is elastically deformed inwardly, so that the free end of the positioning elastic sheet 32 can pass the buckling portion 212 without being affected by the sliding interference, and the buckling portion 212 is buckled into the buckle portion 321. After the positioning elastic sheet 32 and the elastic buckle 21 are reset, the buckle surface 322 is aligned with the buckling surface 213, so that the elastic buckle 21 and the positioning elastic sheet 32 are limited to each other. When the user wants to disassemble the face mask 3, the buckle surface 322 pushes against the buckling surface 213 along the disassembling direction, so that the buckling portion 212 is pushed out of the buckle portion 321.

[0032] Please refer to Figure 3 , Figure 6 and Figure 7Each of the positioning portions 22 comprises a positioning hole 221 formed by the rear surface of the bracket 2 being recessed, the limiting member 33 is formed as a protruding column structure and extends forward from the front surface of the mask 3, the limiting member 33 is combined with the positioning hole 221 in position, thereby achieving the positioning and holding of the bracket 2 and the mask 3. In the preferred embodiment of the drawings, the limiting member 33 is provided with four, two of which are provided at the upper row of the mask 3, two of which are provided at the lower row of the mask 3, the spacing of the two limiting members 33 at the upper row of the mask 3 is greater than the spacing of the two limiting members 33 at the lower row of the mask 3, and the positioning portion 22 is provided with four and combined with the four limiting members 33 in position. Therefore, by the asymmetric arrangement of the limiting members 33 at the upper and lower rows of the mask 3 and combined with the positioning portion 22 in position, the mask 3 can be prevented from being installed in the wrong direction when assembled to the bracket 2.

[0033] Please refer to Figure 4 , Figure 7 and Figure 8 In order to enable the bracket 2 to be installed and fixed to the shell 1, each of the positioning portions 22 comprises a positioning column 222, a top wall 223 and a lock hole 224, the positioning column 222 is formed by the front surface of the bracket 2 being protruded forward, the top wall 223 is formed at the front end of the positioning column 222, the positioning hole 221 is recessed in the inside of the positioning column 222 from the rear surface of the bracket 2, the lock hole 224 is penetrated through the top wall 223 from the front end of the positioning hole 221, and the aperture of the lock hole 224 is smaller than the aperture of the positioning hole 221. The inner surface of the shell 1 is formed rearward to form at least one fixing column 11, in the preferred embodiment of the drawings, the fixing column 11 is provided with four and aligned with the positioning column 222. The surface of each of the fixing columns 11 is recessed inward to form a blind hole 12, the aperture of the blind hole 12 is smaller than the aperture of the lock hole 224, the blind hole 12 and the lock hole 224 are aligned with each other, the rear wall of the fixing column 11 abuts against the top wall 223, and by locking a locking element (not shown in the drawings) from the lock hole 224 to the blind hole 12 forward, the positioning and holding of the shell 1 and the bracket 2 is achieved.

[0034] Please refer to Figure 6The mask 3 comprises an outer frame 34, an inner frame 35, a hollow part 36 and at least one reinforcing rib 37. The outer frame 34 is formed on the outer wall of the mask 3. The inner frame 35 is formed on the inner wall of the mask 3. The hollow part 36 is formed between the outer frame 34 and the inner frame 35. The hollow part 36 can reduce the overall weight of the mask 3. The reinforcing rib 37 is arranged in the hollow part 36 and connected between the inner wall of the outer frame 34 and the outer wall of the inner frame 35 to improve the structural strength of the mask 3. The slot 31 is formed on the left and right walls of the inner frame 35 and communicates with the hollow part 36. The limiting part 33 is formed by extending forward from the front wall of the inner frame 35.

[0035] Please refer to Figure 3 The mask 3 is arranged to cover the eyes of a user. The mask 3 is provided with a face-approaching part 38 on the side close to the face of the user. The face-approaching part 38 is arranged in a cushion structure and attached to the face of the user. The face-approaching part 38 can be made of silicone, rubber, foam or other soft materials. The bottom edge of the face-approaching part 38 is recessed to form a nose-approaching part 381 for abutting against the nose of the user. The face-approaching part 38 and the nose-approaching part 381 can be further matched with the face contour of the user. Therefore, the user can replace the mask 3 of different specifications according to personal preferences and face shapes, so that the wearing of the mask 3 is more ergonomic and the wearing comfort is improved. In addition, the mask 3 has the advantages of easy disassembly and cleaning, and can maintain hygiene and cleanliness.

[0036] Please refer to Figure 3 The seat 23 of the support 2 extends rearward and is aligned and accommodated in the inner frame 35. The elastic fastener 21 is arranged on the left and right sides of the seat 23. The seat 23 is provided with a pair of through holes 231 penetrating the front and rear surfaces of the support 2. The through holes 231 are arranged to accommodate the display module 4.

[0037] Please refer to Figure 7 And Figure 9The display module 4 comprises a button structure 41 and a light-emitting unit 42, the support 2 comprises a first reinforcing rib 24 and a second reinforcing rib 25, and the first reinforcing rib 24 and the second reinforcing rib 25 are arranged on opposite sides of the support 2 respectively. The first reinforcing rib 24 is formed by extending forward from the front surface of the support 2, and the first reinforcing rib 24 is arranged to support one side of the button structure 41, thereby avoiding displacement of the button structure 41 after long-time pressing. The second reinforcing rib 25 is formed by extending forward from the front surface of the support 2, and the end of the second reinforcing rib 25 is provided with a semicircular recess recessed inward to fix the light-emitting unit 42. The shell 1 is provided with a button hole 13 and a light hole 14, the button structure 41 is arranged in the button hole 13 correspondingly, and the light-emitting unit 42 is arranged in the light hole 14 correspondingly.

[0038] In summary, the head-mounted display 100 comprises the shell 1, the support 2 arranged on the back side of the shell 1, and the face shield 3 capable of being detachably arranged on the support 2 and arranged on the back side of the shell 1. The elastic arm 211 extends rearward from the back surface of the support 2, the free end of the elastic arm 211 protrudes outward to form the buckling part 212, the adjacent part of the elastic arm 211 and the buckling part 212 forms the buckling surface 213, and the back surface of the support 2 is recessed to form the positioning hole 221. The inner side wall of the face shield 3 is provided with the limiting elastic sheet 32 capable of being elastically deformed, the free end of the limiting elastic sheet 32 is provided with the buckling part 321, the front side wall of the buckling part 321 forms the buckling surface 322, and the front surface of the face shield 3 is provided with the limiting part 33. By buckling the buckling part 212 into the buckling part 321, aligning the buckling surface 213 and the buckling surface 322 with each other, and aligning and combining the positioning part 22 and the limiting part 33 with each other, the assembly stability of the face shield 3 is improved.

Claims

1. A head-mounted display, characterized in that: The invention comprises: a housing; a bracket, the bracket being mounted on the rear side of the housing; at least one elastic fastener, the elastic fastener comprising an elastic arm extending rearward from the rear surface of the bracket and a retaining portion provided at the free end of the elastic arm and protruding outward from the outer side wall of the elastic arm, wherein a retaining surface is formed adjacent to the elastic arm and the retaining portion; At least one positioning portion, which is arranged on the rear surface of the bracket; a mask, which can be detached from the bracket and arranged on the rear side of the shell; at least one positioning spring, which can be elastically deformed and arranged on the inner side wall of the mask, the free end of the positioning spring is provided with a snap portion, the front side wall of the snap portion forms a snap surface, the snap portion and the holding portion are snapped together, and the snap surface is aligned with the snap connection surface; and at least one limiting member, which is arranged on the front surface of the mask and is configured to combine with the positioning portion.

2. The head-mounted display according to claim 1, wherein: A guide surface is provided at the front end of the holding portion, and a connecting surface is provided between the locking surface and the guide surface. The rear end of the elastic arm extends backward and outward at an angle to form the locking surface facing the bracket, and the thickness of the front end of the locking portion increases from front to back. The rear end of the locking surface extends horizontally backward to form the connecting surface, and the rear end of the connecting surface extends backward and inward at an angle to form the guide surface facing the mask, and the thickness of the rear end of the locking portion decreases from front to back.

3. The head-mounted display according to claim 1, wherein: The inner side wall of the mask is provided with at least one slot, the slot passing through the front surface of the mask forwardly, the positioning spring is accommodated in the slot and is formed by the rear side wall of the slot extending forward horizontally.

4. The head-mounted display according to claim 1, wherein: The buckle portion is a through hole that passes through the free end of the positioning elastic piece.

5. The head-mounted display according to claim 1, wherein: Each of the positioning portions includes a positioning hole recessed in the rear surface of the bracket. The limiting member is configured as a convex column structure and is formed by extending forward from the front surface of the mask. The limiting member is aligned and combined in the positioning hole.

6. The head-mounted display according to claim 1, wherein: Each of the positioning portions includes a positioning post protruding forward from the front surface of the bracket and a locking hole passing through the front surface of the positioning post. The inner surface of the shell extends backward to form at least one fixing post aligned with the positioning post. The surface of each fixing post is recessed inward to form a blind hole, and the blind hole and the locking hole are aligned with each other.

7. The head-mounted display according to claim 1, wherein: The mask includes an outer frame, an inner frame, a hollow portion and at least one reinforcing rib, the outer frame is formed on the outer side wall of the mask, the inner frame is formed on the inner side wall of the mask, the hollow portion is formed between the outer frame and the inner frame, the reinforcing rib is arranged in the hollow portion and connected between the outer frame and the inner frame, the side wall of the inner frame is provided with at least one slot connected to the hollow portion, the positioning spring is accommodated in the slot and is formed by the rear side wall of the slot extending horizontally forward, and the limiter is arranged on the front wall of the inner frame.

8. The head-mounted display according to claim 7, wherein: The shell and the bracket jointly define a accommodating space to accommodate a display module. A seat body extends backward from the rear end of the bracket. The seat body is aligned with and accommodated in the inner frame. The elastic fastener is arranged on the outside of the seat body. The seat body is provided with a pair of openings passing through the front and rear ends of the bracket. The display module is arranged in the openings.

9. The head-mounted display according to claim 1, wherein: One side of the mask is provided with a face support portion, which is made of soft material, and the center of the bottom edge of the face support portion is recessed to form a nose support portion.

10. The head-mounted display according to claim 8, wherein: The display module includes a button structure and a light-emitting unit. A first reinforcing rib and a second reinforcing rib extend from the front surface of the bracket. The first reinforcing rib supports one side of the button structure. The end of the second reinforcing rib is recessed inward to form a groove to fix the light-emitting unit. The shell is provided with a button hole and a lamp hole. The button structure is arranged in the button hole, and the light-emitting unit is arranged in the lamp hole.

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