CN207867134U - Optical mirror slip focusing component with dust reduction capability - Google Patents

Abstract

The application provides a kind of optical mirror slip focusing component with dust reduction capability, including the inner lens cone nested together and outer lens barrel, meet clearance fit relationship between outer lens barrel and inner lens cone, the space interior that dust enters lens barrel composition by the fit clearance of inner lens cone and outer lens barrel can be reduced, viewing effect is influenced.The structure of the round platform and boss that are arranged in inner lens cone can guarantee the sealing effect with tipper contact position, and reduce overall weight.Tipper on outer lens barrel is set, for across location feature part, makes user when stirring location feature part, drive inner lens cone and interior optical mirror slip carry out axial and circumference to sliding, complete focusing.It is equipped with dust guard fixing groove and dust guard in the madial wall or lateral wall of outer lens barrel, the dust in external environment is further prevented to enter in the space of lens barrel composition, solves the problem of that conventional optical components are easily accessible dust and influence viewing and focusing.

Description

Optical mirror slip focusing component with dust reduction capability

Technical field

This application involves wear display technology field more particularly to a kind of optical mirror slip focusing group with dust reduction capability Part.

Background technology

Display equipment is worn, refers to being worn on user's head, the equipment that optical signalling can be sent to user's eyes, including Virtual reality (Virtual Reality, VR) equipment, augmented reality equipment, game station etc..Wherein, virtual reality device because Strong feeling of immersion can be brought to be widely current for wearer.Virtual reality device, such as VR glasses, built-in independent screen, VR resources can be presented to the right and left eyes of wearer, form virtual reality imagery.Due to the screen and pendant of virtual reality device The distance of wearer's glasses is close, therefore in order to be presented clearly image, built-in such as the patent No. in many virtual reality devices Optical module provided in technical solution disclosed in US20170017078B, for adjusting VR images.

The optical module used in virtual reality device generally comprises lens barrel and the optical mirror slip in lens barrel. In actual use, the dust in environment is easy to enter in lens barrel by gap, and is adhered on eyeglass, blocks sight influence Viewing effect.And for the optical module used in some virtual reality equipment, there is focusing function, into the ash in lens barrel Dirt can also impact focussing process.

Utility model content

This application provides a kind of optical mirror slip focusing components with dust reduction capability, are easy with solving conventional optical components Into dust, the problem of influencing viewing and focus.

A kind of technical solution of the optical mirror slip focusing component with dust reduction capability of the application includes：

Outer lens barrel, the outer optical mirror slip for being fixed on the outer lens barrel, inner lens cone, the interior optical frames for being fixed on the inner lens cone Piece, location feature part and at least one dust guard；

The outer lens barrel side wall is equipped at least one tipper；

The inner lens cone is built in the outer lens barrel；

The location feature part is corresponded with the tipper, and each location feature part one end is fixed on the scope The side wall of cylinder, the other end pass through the tipper that can be slided in the tipper；

Optionally, the dust guard is located on the corresponding outer lens barrel lateral wall of the tipper or madial wall.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the outer optical mirror slip is fixed on described outer The inside top of lens barrel.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the outer optical mirror slip and the outer lens barrel Interior side contacts at be equipped with dust-proof glue.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the interior optical mirror slip is fixed in described The inside bottom of lens barrel.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the interior optical mirror slip and the inner lens cone Interior side contacts at be equipped with dust-proof glue.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the corresponding epi mirror of the tipper Cylinder lateral wall or madial wall are equipped with dust guard fixing groove.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the location feature part is solid by two respectively To determine screw and one is stirred fixing screws composition, the dust guard is made of two the first dust guards and second dust guard, Second dust guard is fixed in the dust guard fixing groove in the corresponding epi mirror medial wall of the tube of certain tilt slot, the spy Constant inclination skewed slot is for stretching into the tipper for stirring fixing screws, and first dust guard is inclined for being fixed on described in remaining In dust guard fixing groove on the corresponding outer lens barrel lateral wall of skewed slot.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, second dust guard is equipped with and the spy The corresponding notch of fixed tipper.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, the material of second dust guard is thermoplastic Property elastic polyurethane body rubber TPU.

Optionally, in the technical solution of above-mentioned optical mirror slip focusing component, between the inner lens cone and the outer lens barrel Dust-proof oil reservoir is set, and the dust-proof oil reservoir is for preventing dust from entering from the inner lens cone and outer lens barrel contact position.

It is using the advantageous effect of above-mentioned technical proposal：

Since optical focusing component includes outer lens barrel and inner lens cone, outer lens barrel is equipped with along the inclined inclination of certain angle Slot, the side wall of inner lens cone are equipped with the location feature part for stretching into tipper, and location feature part can slide in tipper.It is positioning During feature from the bottom to top or from top to bottom slides along tipper, location feature part drives inner lens cone movement, to Outer optical mirror slip and interior optical mirror slip are between the two away from adjustable.

Optionally, the dust guard fixing groove is identical as the dust guard shape；The depth D of the dust guard fixing groove is big In or equal to the dust guard thickness T.

Optionally, the outer lens barrel and the inner lens cone are the two cylindrical tube shape structures nested together；The epi mirror It is clearance fit between cylinder and the inner lens cone；The inner lens cone, can be relative to the inner wall of the outer lens barrel as draw tube In axial direction and circumference to sliding；The outer lens barrel is as static lens barrel, for providing sliding space for the inner lens cone.

Optionally, the inner lens cone include round platform equipped with ladder-like interior fixed part and, in the round platform end face to remote The boss extended from the interior fixed part direction；

The interior fixed part is for fixing the interior optical mirror slip, the quantity phase of the quantity of the boss and the tipper It is equipped with the mounting hole for installing the location feature part Deng, the boss periphery；The outer lens barrel includes being equipped with ladder The outer cylinder of shape outer fixing portion, and the main cylinder of the outer cylinder is connected, it is uniformly arranged at least on the side wall of the main cylinder One tipper；The outer fixing portion is for fixing the outer optical mirror slip.

Optionally, the tipper is bonded the minimum range L1 of end face more than or equal to the round platform to the outer lens barrel Axial width W；The tipper is less than the height H of the boss in the axially extending distance L2 of the main cylinder；The inclination Slot is greater than or equal to the height H of the boss to the minimum range L3 of the outer cylinder；The extension of the tipper circumferentially Distance L4 is less than or equal to the 1/2 of the circle circumferential lengths AL of the boss.

Optionally, the dust guard is bending sheet identical with the madial wall of the main cylinder or lateral wall radius of curvature Structure；The axis direction width S W of the dust guard be more than the tipper the main cylinder axially extending distance L2；Institute The circle circumferential lengths SL for stating dust guard is more than the extended distance L4 of the tipper circumferentially.

Optionally, the internal diameter D1 of the inner lens cone is greater than or equal to the minimum diameter D2 of the outer fixing portion；The main circle The outer diameter D 3 of cylinder is more than the outer diameter D 4 of the outer cylinder.

Optionally, one end far from the outer cylinder is additionally provided on the outer lens barrel：It is raised in the main cylinder lateral wall Ring packing platform；And it is raised in the annular stop ring of the main cylinder madial wall；The internal diameter that the spacing ring is formed is less than The internal diameter of the interior fixed part is greater than or equal to the internal diameter of the round platform；

The sealing station and the spacing ring are bonded end face with the outer lens barrel in the end face far from the outer fixing portion and put down Together.

Optionally, the outer optical mirror slip and the interior optical mirror slip are all planoconvex lens；The plane of the outer optical mirror slip Side is bonded with the outer fixing portion；The planar side of the interior optical mirror slip is bonded with the interior fixed part.

The application also provides a kind of virtual reality device, including front housing, rear shell and above-mentioned optical mirror slip focusing component, In：

The front housing is identical as the edge contour of the rear shell, and the front housing connect to be formed for storing with the rear shell State the cavity of optical mirror slip focusing component and electronic device；It is set in the rear shell there are two mirror hole, the diameter in the mirror hole is more than Or the outer diameter equal to outer cylinder in the optical mirror slip focusing component；It is additionally provided in the rear shell and the optical mirror slip focusing group It tilts groove location in part to correspond to, and the identical regulating tank of shape.

By above technical scheme it is found that the optical mirror slip focusing component provided by the present application with dust reduction capability, including it is embedding The inner lens cone and outer lens barrel being nested together, meet the relationship of clearance fit between outer lens barrel and inner lens cone, in setting lube layer In the case of, it is possible to reduce dust enters the space interior of lens barrel composition by the fit clearance of inner lens cone and outer lens barrel, glues It is attached to influence viewing effect on eyeglass.The structure of the round platform and boss that are arranged in inner lens cone can guarantee and tipper contact position Sealing effect, and reduce overall weight.Tipper on outer lens barrel is set, for across location feature part, user being made to dial When dynamic location feature part, drive inner lens cone and interior optical mirror slip carry out axial and circumference to sliding, complete the adjustment of focal length. It is equipped with dust guard fixing groove and dust guard in the madial wall or lateral wall of outer lens barrel, further prevents the dust in external environment In the space formed into lens barrel, dust-proof effect is improved.

Description of the drawings

In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also It can be obtain other attached drawings according to these attached drawings.

Fig. 1 is a kind of explosive view of virtual reality device of the application；

Fig. 2 is a kind of structure chart of the front housing of virtual reality device of the application；

Fig. 3 (a) and Fig. 3 (b) is the application a kind of front elevation and back view of the rear shell of virtual reality device；

Fig. 4 is the structure chart of the application and the matching used face support of virtual reality device；

Fig. 5 is a kind of structure chart of the temple of virtual reality device of the application；

Fig. 6 is a kind of structure chart of the light shield device of virtual reality device of the application；

Fig. 7 be a kind of optical system of virtual reality device of the application, cooling fin structure chart；

Fig. 8 is a kind of structure chart of the optical system of virtual reality device of the application；

Fig. 9 be the right lens-barrel mechanism of virtual reality device of the application a kind of, right display screen and right platen bracket explosive view；

Figure 10 is a kind of explosive view of optical mirror slip focusing component of the application；

Figure 11 is a kind of sectional view of optical mirror slip focusing component of the application；

Figure 12 is a kind of upward view of optical mirror slip focusing component of the application；

Figure 13 is a kind of vertical view of optical mirror slip focusing component of the application；

Figure 14 is the explosive view of the application and the matching used face support of virtual reality device；

Figure 15 is the matching chart of the application and virtual reality device and face support；

Figure 16 is a kind of explosive view of the light shield device of virtual reality device of the application；

Figure 17 (a) (b) (c) is the step figure that the application light shield device is mounted on virtual reality device；

Figure 18 is the structure chart that the application light shield device is mounted on virtual reality device；

Figure 19 is the structure chart of the data line fixing piece of the application；

Figure 20 is the explosive view of the data line fixing piece and virtual reality device of the application；

Figure 21 is that the data line fixing piece of the application is mounted on the structure chart on virtual reality device；

Figure 22 (a) (b) is the structure chart of the right platen bracket and left platen bracket of the application；

Figure 23 is the overall structure diagram of the optical mirror slip focusing component with dust reduction capability in the embodiment of the present application；

Figure 24 is the cross-sectional view of focusing component in the embodiment of the present application；

Figure 25 is the structural schematic diagram of the embodiment of the present application China and foreign countries lens barrel, inner lens cone and dust guard；

Figure 26 is the partial structurtes enlarged drawing that slot part is tilted in the embodiment of the present application；

Figure 27 is virtual reality device structural schematic diagram provided by the present application；

Figure 28 is the structural schematic diagram of rear shell in virtual reality device provided by the present application.

Specific implementation mode

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall in the protection scope of this application.

Virtual reality device in the present embodiment includes shell, be built in the optical system of shell, PCBA board, heat sink and Light sensation component, face support, the hood etc. being used cooperatively with shell.It is described in detail below for each component.

One, shell：As shown in Figure 1, shell includes：Frame that front housing 1 is surrounded with rear shell 3, the left mirror leg 5 being connect with frame With right temple 4.It is described in detail separately below for above-mentioned component：

(1) front housing 1：As shown in Fig. 2, the periphery of front housing 1 is equipped with several buckle fasteners 16, it is used for front housing 1 and rear shell 3 It is fixed；PCBA fixing pieces 18 are equipped with close to the upper end of front housing 1, for PCBA board 8 is limited and fixed；Close to front housing 1 Guard column 17 is nearby installed at both ends, for preventing installation process or installing the too quickly damage front housing of rear front housing stress 1.Further , in order to improve the quality of front housing 1, a plurality of reinforcing striped can also be set.In order to mitigate the case weight of virtual reality device, The preferred light plastic of material of front housing 1, for the ease of processing, 1 preferred design of entire front housing is integrally formed.

(2) rear shell 3：As shown in Fig. 3 (a) and Fig. 3 (b), rear shell 3 includes containing cavities 46, for storing virtual reality device Optical system, PCBA board 8, cooling fin 9 and light sensation component etc..The lower end of rear shell 3 is equipped with regulating tank 42, for stretching out optics The focus adjustment key (being equal to location feature part, protrusion control key hereafter) of system simultaneously controls it.3 inside of rear shell is partially It is upper to have installed and 1 matched PCBA fixing grooves of front housing.In order to improve the quality of rear shell 3, a plurality of reinforcing strip can also be set Line is preferably located on the side of rear shell.It is equipped with mirror pin interconnecting piece at the back side of rear shell 3, mirror pin interconnecting piece is equipped with and left mirror The groove 44 of the protrusion connection of 4 front end of leg 5 and right temple, the outside of groove 44 are equipped with baffle 45.Since 44 outside of groove has One baffle 45, when the protrusion of temple is assembled in the groove, temple at this time can only move inward.It is somebody's turn to do when user wears When virtual reality device, the protrusion of temple can be prevented it from being displaced outwardly by the blocking of baffle 45, at this moment will inwardly generate one A power allows temple that can clamp user's head.It is additionally provided with face support fixing piece 41 and 43 at the back side of rear shell 3, is used for being convenient for face support 6 Fixation.As shown in Fig. 4 and Figure 14, face support 6 include main body fixed part 64 and face-contacting portion 63,63 side of face-contacting portion with Main body fixed part 64 connects, and the other side is in contact with human body face, and main body fixed part 64 is equipped with for being embedded in face support fixing piece 41 and 43 protrusion 61 and 62, realization body fixed part 64 are fixed in rear shell 3.It can disperse virtual reality for the ease of face support 6 The weight of equipment, main body fixed part 64 and face-contacting portion 63 are by the flange of centrally located outwardly convex and along far from convex The shape of chinese word Ji structure for the curved portion composition that edge direction extends.In order to mitigate the weight of virtual reality housing body, rear shell 3 is preferred Light plastic, for the ease of processing, 3 preferred design of rear shell is integrally formed.

(4) left mirror leg 5 and right temple 4：Left mirror leg 5 and right temple 4 are referred to as temple, the two structure is without essential difference. Each Front of the temple is equipped with the protrusion 53 for being embedded in mirror pin interconnecting piece upper groove in rear shell 3.Below by taking left mirror leg 5 as an example into Row is described in detail.As shown in figure 5, under non-folded position, left mirror leg 5 and right temple 4 are aduncate arc, are made convenient for clamping User head.In order to further enhance the clamping dynamics of temple, the thickness of Front of the temple is more than mirror pin rear end thickness.In order to mitigate The weight of temple is additionally provided with hollow slots 52 in temple, while hollow slots 52 are also possible to prevent injection surface and generate defect, influence U.S. It sees.Through-hole 51 is further respectively had in left mirror leg 5 and right temple 4, for the connector 71 and 72 of light shield device 7 to be embedded in through-hole 51, realize the fixation of light shield device 7.Through-hole specifically includes the mounting hole and connecting hole that two communicate, and the aperture of connecting hole is more than The maximum width of connector, the aperture of mounting hole are less than the maximum width of connector.Mounting hole is used for fixing the convex of light shield device It rises, the protrusion that connecting hole is used for light shield device passes through positioning.Left mirror leg 5 and right temple 4 can be integrally formed mechanism, in order to subtract The material of the overall weight of light entirety virtual reality device, left mirror leg 5 and right temple 4 is with flexibility plastic cement (TR90).Knot It closes shown in Fig. 1, the shell of above-mentioned virtual reality device and the specific installation steps of other assemblies are as follows：

The first step：By left lens barrel mechanism 21, the optical system of right lens-barrel mechanism 23 with left display screen 22, right display screen 24 Bulk cargo enters to be fixed in the containing cavities 46 of rear shell 3, does not limit specific fixed form.Left lens barrel mechanism 21, right lens-barrel mechanism 23 Location feature part stretch out the regulating tank 42 of rear shell 3 simultaneously, focal length is adjusted convenient for user；

Second step：PCBA board 8 is fitted into the PCBA fixing grooves of rear shell 3, and PCBA board 8 is connected with optical system It connects；

Third walks：It is packed into cooling fin 9, is specifically bonded 9 one end of cooling fin with the heating device in PCBA board 8, in addition one End is bonded with the back side of left display screen 22 and right display screen 24 respectively so that cooling fin 9 can be by PCBA board 8 and left display The even heat that screen 22 and right display screen 24 distribute sheds；

4th step：Front housing 1 is loaded onto, i.e., front housing 1 and rear shell 3 are fixed, specifically front housing 1 is pressed into rear shell 3, It is fixed by the button fixing piece 11 of front housing 1；

5th step：Protrusion 53 on left mirror leg 5 and right temple 4 is embedded in the groove 44 in rear shell 3；

6th step：Face support 6 is installed in rear shell 3, specifically by face support 6 protrusion 61 and 62 respectively in rear shell 3 Face support fixing piece 41 and 43 be fixed；

7th step：Light shield device 7 is surrounded into virtual reality device, while by light shield device, specifically hiding raised 71 Hes 72 are respectively embedded on the through-hole 51 of temple.

Above-mentioned virtual reality device includes front housing, rear shell and two temples, simple in structure, easy for assembly, while will be virtual Other devices of real world devices are corresponding on the accommodating groove of rear shell, cover front housing and connection temple, entire virtual reality Device structure is smaller, and occupied space is smaller, and shape is relatively beautiful similar to glasses form.

(2) optical system：As shown in Figure 1, optical system includes left lens barrel mechanism 21, left display screen 22, right lens-barrel mechanism 23 and right display screen 24, left lens barrel mechanism 21 is identical with right lens-barrel mechanism 23 structure, is referred to as optical mirror slip focusing component.Specifically , after left lens barrel mechanism 21 and left display screen 22 are mounted on left platen bracket and left display screen 22 is located at left lens barrel mechanism 21 Side, left display screen are integrally located at the inside of left platen bracket；Right lens-barrel mechanism 23 and right display screen 24 are mounted on right platen bracket 13 And right display screen 24 is located at the rear of right lens-barrel mechanism 23, right display screen 24 is integrally located at the inside of right platen bracket 13.Left display The side of screen 22 and right display screen 24 is along having corner cut, as shown in Figure 1, the lower right corner side of left display screen 22 has corner cut.It is right The lower left corner side of display screen 24 has corner cut.Left platen bracket and right platen bracket 13 are two mutually independent platen brackets, are One hollow annular structure.Since two platen brackets are hollow, the eyeglass by left lens barrel mechanism 21 and right lens-barrel mechanism 23 is realized Content shown by the corresponding display screen of viewing.The hollow and annular of platen bracket can be round or polygon or irregular shape shape, tool Body is determined according to the shape of optics module and the shape of virtual reality device shell.The face that each platen bracket is contacted with display screen is screen Contact surface, screen contact surface are used to fit with display screen surface, can specifically be set as shiny surface, and screen contact surface is set as shiny surface, It can be the good fit for avoiding display screen from damaging, while also achieving display screen and platen bracket.It is not specific in the present embodiment Screen contact surface is limited as shiny surface or rough surface.In the present embodiment, in order to preferably realize screen contact surface and display screen surface Fitting, can be arranged soft double-sided adhesive rubberizing, double-sided adhesive rubberizing can be the corresponding ring of platen bracket shape therebetween Shape circle makes platen bracket be pasted together with display screen by double-sided adhesive rubberizing.Contact surface is corresponding is connect for optics module with screen Contacting surface, optics module contact surface fit with left lens barrel mechanism 21, right lens-barrel mechanism 23 respectively.When platen bracket respectively with display screen After being assembled with optics module, platen bracket plays the role of being easily installed, while three forms confined space, plays dustproof effect. In order to further increase the dust-proof effect between platen bracket and display screen and optics module, 4 platen bracket of right temple is close to right temple 4 The side for shielding contact surface is equipped with the first groove, and 4 platen bracket of right temple is equipped with the close to the side of 4 optics module contact surface of right temple Two grooves are used in 4 second groove of 4 first groove of right temple and right temple place dustband, realize platen bracket and optical mode Tight is connected between group, display screen, and then extraneous dust is avoided to enter, and improves its dust-proof effect.It should be noted that Also directly display screen and optics module can be fixed on platen bracket without dustband.Due to left platen bracket and the right side The installation of platen bracket is similar, is illustrated below with the installation steps of right display screen 24, right lens-barrel mechanism 23 and right platen bracket 13, The installation for being construed as left eye display screen is similar, and specific installation steps are as follows：

The first step：It is fixed left dust-proof respectively on the screen contact surface being oppositely arranged and optics module contact surface of platen bracket 13 Circle 12, right dustband 14 (left and right is only to be distinguished in conjunction with attached drawing, does not have physical meaning), platen bracket 13, a left side are dust-proof Circle 12 and right dustband 14 are assembled into platen bracket component.The fixed form of left dustband 12 and right dustband 14 can be according to practical need It is arranged, does not limit specifically.It preferably pastes and fixes, left dustband 12 and right dustband 14 can be the double faced adhesive tape with stickup property Piece, platen bracket 13 are equipped with the first groove and the second groove, and the first groove is located at close to the screen side of contact surface and dust-proof with a left side The shape of circle 12 is corresponding, and the second groove is located at close to the side of optics module contact surface and opposite with the shape of right dustband 14 It answers, convenient for improving dust-proof effect and saving material.It should be noted that double coated film is left dustband 12 and right dustband A kind of 14 optional specific materials, any material that there is stickup property and soft contraction can be carried out can, such as plastics Or with certain soft PORON or certain soft PVC or frivolous cloth etc.；Certainly, in order to mitigate virtual reality device Overall weight, left dustband 12 and right dustband 14 preferably light material.Similarly, in order to mitigate the entirety of virtual reality device Weight, platen bracket 13 can be integrally formed, and light material, such as plastic cement with certain degree of hardness may be selected in the material of platen bracket 13.

Second step：Right lens-barrel mechanism 23 and right display screen 24 are fixed with platen bracket component respectively.Specifically, by right Lens barrel mechanism 23 is placed on right dustband 14, it is preferred that right lens-barrel mechanism 23 can be placed on the second groove, and the right side is dust-proof It encloses 14 sides to contact with platen bracket 13, the other side is contacted with right lens-barrel mechanism 23.Specifically, right display screen 24 is placed into left anti- On konisphere 12, it is preferred that right display screen 24 can be placed on the first groove, realize consolidating for right display screen 24 and platen bracket 13 It is fixed.12 side of left dustband is contacted with platen bracket 13, and the other side is contacted with right display screen 24.By right lens-barrel mechanism 23 and the right side When display screen 241 is preferably fixed on the first groove and the second groove of 13 both sides of platen bracket, right display screen 24,13 and of platen bracket Confined space can be formed between right lens-barrel mechanism 23, junction is all closely to connect, and have reeded side and carry out It is dust-proof, it can thus be entered in the confined space to avoid extraneous dust, that is to say, that avoid extraneous dust into adhering to On display screen, display on display screen is caused the problem of parasitic image occur.

Third walks：When 23 groups of right lens-barrel mechanism 23, left dustband 12, platen bracket 13, right dustband 14 and right lens-barrel mechanism After the completion of dress, is matched by screen mounting hole the second mounting hole corresponding with virtual reality device on platen bracket 13, realize assembling Component afterwards is fixed on virtual reality device, this fixed form is not limited to screw fixation method.It should be noted that screen branch Screen mounting hole on frame 13 includes at least one positive hole and at least one reversed hole.

As shown in Figure 22 (a) (b), the structure of platen bracket is：Two platen brackets are mutual indepedent, set on optics module contact surface Have and extend optics module fixing piece 111 and locating piece 113 along far from its surface direction, when optics module stretches into platen bracket and protrudes When optics module contact surface, optics module fixing piece 111 is in contact with the ragged edge of optics module, for consolidating optics module It is scheduled on platen bracket, optics module fixing piece 111 can be the L-shaped structure extended to platen bracket center, be used for optics module It is limited in L-shaped structure；Locating piece 113 is located at the periphery of optics module, for ensuring that optics module is mounted on predeterminated position, uses In the movement locus for limiting optics module, locating piece 113 is used for that optics module is prevented to be displaced outwardly.It is set for the ease of virtual reality The fixation of standby some other small soft copies, such as optical flame detector protrude a corresponding storage fixing groove in the side of platen bracket 114, it is used for the fixation to other small electronic devices.When display screen, left dustband, platen bracket, right dustband and optics module group At after the completion, is matched by the second mounting hole corresponding with virtual reality device of screen mounting hole 112 on platen bracket, realize assembling Component afterwards is fixed on virtual reality device, this fixed form is not limited to screw fixation method.It should be noted that screen branch Screen mounting hole 112 on frame includes at least one positive hole and at least one reversed hole.As shown in Figure 10 to Figure 13, left lens barrel machine The optical mirror slip focusing component that structure and right lens-barrel mechanism are referred to as includes：Outer lens barrel 211, outer optical mirror slip 212, inner lens cone 214 and interior optical mirror slip 217, outer optical mirror slip 212 be fixed on outer lens barrel 211, interior optical mirror slip 217 is fixed on inner lens cone On 214；211 side wall of outer lens barrel is equipped with tipper 213；Inner lens cone 214 is arranged in outer lens barrel 211, the side wall of inner lens cone 214 It is equipped with location feature part, location feature part also protrudes into tipper 213 and slided along tipper 213；When inner lens cone 214 is along epi mirror When cylinder 211 slides relatively, the outer optical mirror slip 212 being fixed on outer lens barrel 211 and the interior optical frames being fixed on inner lens cone 214 The distance between piece 217 is adjustable, realizes the focusing of optical module.The explosive view of optical focusing component as shown in Figure 10, packet Include 217, two an outer lens barrel 211, outer optical mirror slip 212, inner lens cone 214, interior optical mirror slip the first dust guards 218, first 219, two fixing screws 220 of dust guard stir fixing screws 221 and stir fixing screws 221.It is directed to separately below above-mentioned each Component illustrates：

(1) outer lens barrel 211：211 side wall of outer lens barrel is equipped at least one tipper 213, and tipper 213 is relative to water Plane is inclined at an angle, when the location feature part insertion tipper 213 being fixed on 214 side wall of inner lens cone and along tipper When 213 movement, the spacing between outer optical mirror slip 212 and interior optical mirror slip 217 is adjustable.As shown in Figure 1, outer lens barrel 211 is transversal The shape in face is circle, and when 213 quantity of tipper is three or more, tipper 213 is circumferential uniformly distributed along outer lens barrel 211.It needs Illustrate, tipper 213 is not limited to three shown in figure, it is preferred that the quantity of tipper 213 is three.In addition, inclining Skewed slot 213 is also not limited to circumferentially be evenly distributed with along outer lens barrel 211, but must satisfy several tippers 213 and be located at same level On.The cross sectional shape of outer lens barrel 211 is also not necessarily limited to circle shown in Fig. 1, or oval or diamond shape or abnormity.In order to more preferable Be adapted to the morphological feature of human body, near the human body bridge of the nose, could be provided as with the matched shape of the human body bridge of the nose, i.e., by one Simple circular cut-outs, which are formed, has one and the matched inclined surface of the bridge of the nose.Therefore, in order to adapt to specific virtual reality device Shell, and reduce the volume of whole virtual reality device, the section shape of outer lens barrel 211 can be according to outside specific virtual reality Depending on shell.

(2) outer optical mirror slip 212：Outer optical mirror slip 212 is fixed on outer lens barrel 211, specifically, as shown in Fig. 2, outer light The inside top that eyeglass 212 is fixed on outer lens barrel 211 is learned, inside top is the side far from inner lens cone 214.Outer optical mirror slip 212 can be specifically with the fixed form of outer lens barrel 211：Outer optical mirror slip 212 is fixed in outer lens barrel 211 by plastic cement Side roof part can ensure that outer optical mirror slip 212 is stably fixed on outer lens barrel 211 by plastic cement fixation, and can effectively prevent Dirt.It should be noted that the application does not limit the fixed form of the two specifically.For convenience of description, by outer lens barrel 211 and outer light The composite structure for learning eyeglass 212 is defined as first assembly.

(3) inner lens cone 214：Inner lens cone 214 is built in outer lens barrel 211, and inner lens cone 214 can be along closer or far from outer optics The direction of eyeglass 212 is moved, and then the spacing of 217 the two of outer optical mirror slip 212 and interior optical mirror slip is adjustable.Implement scope 214 mode that can be moved along outer lens barrel 211 of cylinder is：The side wall of inner lens cone 214 is equipped at least one location feature part, and positioning is special It levies part to correspond with tipper 213, can slide in each location feature part insertion tipper 213 and along tipper 213, in turn Drive the movement of inner lens cone 214.Since the application does not limit the quantity of tipper 213, then the quantity of location feature part is not also done It is specific to limit.When the quantity of tipper 213 is three and is circumferentially evenly distributed with along outer lens barrel 211, three location feature parts exist simultaneously It is moved in tipper 213, and then can guarantee that the interior optical mirror slip 217 on inner lens cone 214 makes it locate during moving up and down In in a plane.Further, it is contacted with inner lens cone 214 due to outer lens barrel 211, in order to improve inner lens cone 214 in focussing process Sliding, increase the oil reservoir for playing lubricating action between inner lens cone 214 and outer lens barrel 211, improve the sliding of inner lens cone 214 Flexibility, and oil reservoir can prevent extraneous dust from entering inside to a certain extent, play dustproof effect.Specific oil reservoir can To be formed by applying damping oil between inner lens cone 214 and outer lens barrel 211, it is understood that other can improve inner lens cone 214 The mode of sliding flexibility between outer lens barrel 211 is all the protection domain of the application.When location feature part is three, three The structure of a location feature part can be divided into：Two fixing screws 220 and stir fixing screws 221, two 220 Hes of fixing screws It stirs fixing screws 221 to be fixed on inner lens cone 214 by fixing threaded hole, and two fixing screws 220 and stirs fixing screws 221 are respectively protruding into tipper 213 and can be slided along tipper 213.The comfortable of fixing screws 221 is stirred in order to improve to push Degree stirs silica gel head 222 convenient for stirring, this is stirred 221 outboard end of fixing screws and is fixedly connected with using process convenient for user, It is the silica gel with certain degree of hardness that this, which stirs silica gel head 222, and it is pleasant that user uses feel.As shown in Figure 10, scope Cylinder 214 includes round platform 215 and above round platform 215 and at least one boss 216 for upwardly extending, boss 216 and tipper 213 correspond, and fixing threaded hole is located on boss 216.The shape of boss 216 matches with 211 inner wall shape of outer lens barrel, when outer When lens barrel 211 is round, boss 216 can be annular wall, and fixation corresponding with tipper 213 is equipped on the boss 216 Screw hole.

(4) interior optical mirror slip 217：Interior optical mirror slip 217 is fixed on inner lens cone 214.As shown in Fig. 2, interior optical mirror slip 217 are fixed on the inside bottom of inner lens cone 214, as the bottom end of inner lens cone 214 is equipped with card slot, interior optical mirror slip 217 and inner lens cone 214 bottom end card slots are fixedly connected, and inside bottom is the side far from outer lens barrel 211.Interior optical mirror slip 217 and inner lens cone 214 Fixed form can be specifically：Interior optical mirror slip 217 is fixed on to the inside bottom of inner lens cone 214 by plastic cement, passes through plastic cement Fixation can ensure that interior optical mirror slip 217 is stably fixed on inner lens cone 214, and can effective dust.It should be noted that The application does not limit the fixed form of the two specifically.Certain inner lens cone 214 can not also set card slot, can be by interior optical mirror slip 217 are fixed on the side wall of the inside bottom of inner lens cone 214, i.e., in optical mirror slip 217 outer side edges and inner lens cone 214 inside Wall is fixedly connected, and fixed form can ensure that interior optical mirror slip 217 is stably fixed to inner lens cone 214 by plastic cement fixation On, and can effective dust.It should be noted that the application does not limit the fixed form of the two specifically.For convenience of description, will The composite structure of inner lens cone 214 and interior optical mirror slip 217 is defined as first assembly.

(5) first dust guards 218 and the first dust guard 219：When inner lens cone 214 is solid by two that stretch into tipper 213 Determine screw and stirs fixing screws along when being moved closer or far from the direction of outer optical mirror slip 212, two the first dust guards 218 It is fixed on 213 outside of tipper of two 220 corresponding outer cylinders 2112 of fixing screws one by one respectively, the first dust guard 219 is solid It is scheduled on 213 inside of tipper for stirring the corresponding outer lens barrel of fixing screws 221 211.It should be noted that the first dust guard 219 Outside can also be fixed on.First dust guard 219 and the first dust guard 218 are equipped with notch corresponding with tipper 213.The Concretely there is one dust guard 219 the TPU pieces of stickup property, the TPU on pieces to have tipper corresponding with certain tilt slot 213 213 holes.The application does not limit the material of the first dust guard 219 as TPU, it is understood that, as long as selected material, which meets, has one Determine hardness and be convenient for otch, and specific dust-proof property, such as PORON with certain degree of hardness or the PVC of certain degree of hardness, High-temp glue or U.S. line glue etc..The fixed form of first dust guard 218 and the first dust guard 219 can be carried out by way of stickup Fixed, convenient for assembling, but the application does not limit its fixed form.The installation step of above-mentioned optical mirror slip focusing component is：

Step 1：Outer optical mirror slip 212 is fixed on to the inside top of outer lens barrel 211, forms first assembly；

Step 2：Interior optical mirror slip 217 is fixed on to the inside bottom of inner lens cone 214, forms the second component；

Step 3：First dust guard 219 is put into the inside of the certain tilt slot 213 of the outer lens barrel 211 of first assembly, it should Certain tilt slot 213 stirs fixing screws for stretching into.

Step 4：Second component is placed on the inside of first assembly, i.e., by the assembled scope with interior optical mirror slip 217 Cylinder 214 is placed in the inside of the assembled outer lens barrel 211 with outer optical mirror slip 212 and the first dust guard 219.

Step 5：Due to being set on the side wall of inner lens cone 214 there are three fixing threaded hole, three fixing threaded holes leak outside in tipper 213, it is then respectively fixedly connected with two fixing screws 220 on three fixing threaded holes and one is stirred fixing screws 221.Two It is respectively fixedly connected with two the first dust guards on the side wall of the corresponding outer lens barrel of tipper 213 that fixing screws 220 stretch into 211 218。

Step 5：It silica gel head 222 will be stirred will be fixed on and stir 221 outboard end of fixing screws.

It is successively limited it should be noted that above-mentioned specific installation step is not constituted, it can be arranged as the case may be The sequencing of step.Optical mirror slip focusing component is mainly used in field of virtual reality, especially short-range optical mirror slip It adjusts, it is understood that the short-range optical focusing of other field progress is also in protection domain.

The operation principle of above-mentioned optical mirror slip focusing component is specially：Stirring silica gel head 222 makes its drive stir admittedly The tilt slide that screw 221 is risen or fallen on the tipper 213 of outer lens barrel 211 is determined, due to stirring fixing screws 221 one end are fixed on inner lens cone 214, and make inner lens cone 214 in an opposite plane with other two fixing screws 220 It is interior.During stirring fixing screws 221 and being slided along tipper 213, interior optical mirror slip 217 and epi mirror on inner lens cone 214 The spacing of the outer optical mirror slip 2122 of cylinder 211 is adjustable, and specific variation needs the magnitude of inclination according to tipper 213 and inclination The notch length of slot 213 determines, preferably at angle of inclination in 5-15 degree, interior optical mirror slip 217 and outer optical mirror slip 212 Apart from adjustable range between 0.5-10mm.

(3) face support 6：As shown in FIG. 14 and 15, face support 6 includes main body fixed part 64 and face-contacting portion 63, facial contact 63 side of portion is connect with main body fixed part 64, and the other side is in contact with human body face, and main body fixed part 64 is also set with virtual reality Standby rear shell 3 connects, and does not limit connection type specifically.Main body fixed part 64 and face-contacting portion 63 can be integrally formed knot Structure.It is directed to main body fixed part 64 separately below and face-contacting portion 63 illustrates.

(1) main body fixed part 64：For the ease of the use of face support accessory, the shape of main body fixed part 64 can be from both ends to The shape of chinese word Ji structure that center is arched upward, the shape of chinese word Ji that concretely flange and the curved portion positioned at flange both sides form will be, it can be achieved that will The gravity of virtual reality device is distributed to human body face plurality of positions.Main body fixed part 64 is equipped at least one protrude from outside it The protrusion on surface, it is four not limit to quantity raised shown in attached drawing, and two of which is the protrusion 61 on flange, separately Two are the protrusion 62 in curved portion.It is corresponding with the protrusion to be, as shown in Fig. 3 (b), the rear shell of virtual reality device 3 are equipped with the face support fixing piece 41 and 43 for embedded protrusion, and face support fixing piece 41 and 43 is specifically as follows opening, realizes The connection of main body fixed part 64 and virtual reality device.When being set on main body fixed part there are four when fixing piece, two of which is raised 61 are located at flange close to the both sides of central axes, and when in use, two protrusions are located at corresponding position near user's bridge of the nose；Other two A raised 62 are located in curved portion, correspond near face's cheekbone.In order to save material, and keep face support shape more beautiful It sees, preferred main body fixed part 64 is corresponding with the position to be fixed of matching used virtual reality device.For the ease of producing, Main body fixed part 64 is integrally formed, and preferably light material.

(2) face-contacting portion 63：63 side of face-contacting portion is connect with main body fixed part 64, the other side and human body face phase Contact.In order to disperse the gravity of virtual reality device, the shape of face-contacting portion 63 can equally be set as being arched upward from both ends to center Shape of chinese word Ji structure, the shape of chinese word Ji that concretely flange and the curved portion positioned at flange both sides form, curved portion is along far from flange Direction extend.Face support 6 in actual use, flange can be mapped near user's bridge of the nose, and curved portion can be along eye tail side To extension, preferably allows face support accessory to afford the human body face of power distribution, that is, face-contacting portion is allowed to be contacted with human body face Local uniform force.Along flange to the direction far from flange, the thickness of face-contacting portion 63 is first gradually to thicken, after gradually become It is thin, and the thickness at center is less than the thickness of both ends end, i.e. thinner thickness near 63 central shaft of face-contacting portion, free end thickness It is thicker.It is the inclined surface with certain angle in the one side that face-contacting portion 63 is in contact with human body face, i.e., the face is arranged For the face to match with human body face and bridge of the nose face.The inclined surface may particularly include nose inclined surface and cheek inclined surface, nose The area of inclined surface is less than the area of cheek inclined surface, wherein the angle of nose inclined surface and vertical plane is 10 °~80 °, cheek The angle of inclined surface and vertical plane is 3 ° to 60 °.In addition, the corresponding face-contacting portion thickness in nose inclined surface is smaller than cheek and inclines The corresponding face-contacting portion thickness in inclined-plane.In view of face-contacting portion 63 needs to be contacted with human body, face-contacting portion 63 is excellent Select light and soft material, such as foam.Simultaneously for the ease of production and processing, face-contacting portion 63 can be integrally formed.Such as figure Shown in 15, it is as follows that above-mentioned face support 6 is installed to the specific installation steps in rear shell 3：

The first step：Main body fixed part 64 is fixedly connected with face-contacting portion 63, forms face support 6.It is fixedly connected with mode not It is specific to limit, bonding method such as can be used and be fixedly connected；

Second step：Main body fixed part 64 is fixed in the rear shell 3 of virtual reality device.The side of being fixedly connected is not limited specifically Formula, if as there is several protrusions 61 and 62 for protruding from its outer surface on main body fixed part 64, in the rear shell 3 of virtual reality device With raised 61 and 62 corresponding face support fixing pieces 41 and 43, face support fixing piece 41 and 43 is specifically as follows opening, passes through protrusion It is caught in the fixation of realization body fixed part 64 and rear shell 3 in opening.

It is worth noting that, the lateral length of 6 entirety of face support is 60~160mm, preferred 90~30mm, especially 100 ~20mm can meet the face of most of human body in this way, for example lateral length is set as 110mm ± 8mm；Face support accessory entirety Longitudinal height 20~80mm, preferred 30~70mm, especially 45~55mm can meet the nose of most of human body in this way, than It is set as 48mm ± 5mm as longitudinal.It is construed as, the face support accessory of the application makes full use of face's Morphological Features of people, allows use When virtual reality device is worn at family, increases the contact surface with user's face as far as possible, the gravity of virtual reality device is carried out Dispersion.

The face support of the application is different from existing face support and is only contacted with bridge of the nose part, increases the contact with user's face Face, i.e. face support accessory are not only contacted with the bridge of the nose, but also are contacted with eye neighbouring position, and then by the gravity of virtual reality device Disperseed, the eye circumference of the bridge of the nose and bridge of the nose both sides can all bear the part gravity of virtual reality device, reduce user and use virtually Real world devices wear bring uncomfortable and damage, can allow user it is comfortable for a long time use helmet, greatly carry The Experience Degree of high user.

(4) light shield device 7：As shown in Figure 16 to Figure 18, light shield device 7 includes：Shading piece 78 and front end fixed ring 77； Shading piece 78 includes top surface 73, first surface 75, the second curved surface 76 and bottom surface 74, wherein：Top surface 73 is in contact with human body face Side be by the non-close arc that extends centrally out；Bottom surface 74 is whole to be oppositely arranged down on the whole with top surface 73；First is bent Face 75 and the second curved surface 76 are located at 73 both sides of top surface, and are bent to the direction close to bottom surface 74；First surface 75 and the second song Face 76 respectively smoothly transits and connect with top surface 73 and bottom surface 74 so that top surface 73, first surface 75, the second curved surface 76 and bottom Face 74 surrounds a closing hollow region；Front end fixed ring 77 is located at the outermost inner periphery of hollow region and coincide with it.Together When, since light shield device and the virtual reality device main body of the application virtual reality device match, for the ease of the shading It is respectively respectively equipped with connector 71 and 72 on the fixation of component 7, first surface 75 and the second curved surface 76, for the ease of distinguishing, respectively It is indicated with the first connector 71 and the second connector 72, the first connector 71 and the second connector 72 are virtual existing for being fixed on On the left mirror leg 5 and right temple 4 of real equipment.As shown in explosive view Figure 16, light shield device 7 is a cover body structure, including before one The first connector 71 of the shading piece 78, one of fixed ring 77, one and second connector 72 are held, is directed to separately below above-mentioned each Component is described in detail.

(1) front end fixed ring 77：Front end fixed ring 77 is built in 78 outermost of shading piece, is applied to when by light shield device 7 When virtual reality device main body, front end fixed ring 77 is located at the inner periphery of hollow region and is connect with virtual reality device body front end It touches, such as when virtual reality device is glasses form, front end fixed ring 77 can surround frame portion, and frame portion excludes herein Temple.Front end fixed ring 77 can be a closed frame of hollow out, since front end fixed ring 77 needs to surround virtual reality device master Body, so the shape of front end fixed ring 77 need to be corresponding with virtual reality device main body outer shape itself.It is understood that As virtual reality device main body shape can be rectangle, the shape of square and each Different Rule, then front end fix The shape of ring 77 needs respective change.For example, when virtual reality device main body'choice have certain radian and with glasses form phase When corresponding form, the shape of front end fixed ring 77 is preferably also glasses form, i.e. the shape of front end fixed ring 77 is according to void Depending on the shape of quasi- real world devices main body outer ledge.It should be noted that front end fixed ring 77 can be hollow out, also may be used certainly To be solid construction, weight is worn in order to save material, mitigate user, improves user experience, front end fixed ring 77 is preferably Hollow out.

(2) shading piece 78：Shading piece 78 includes top surface 73, first surface 75, the second curved surface 76 and bottom surface 74.When by shading When component is applied to virtual reality device main body, front end fixed ring 77 is used to include virtual reality device body front end outer framework, First surface 75 and the second curved surface 76 can extend along temple direction, the first connector 71 on first surface 75 and the second curved surface 76 It is fixed on left mirror leg 5 and right temple 4 with the second connection 72, realizes that light shield device 7 is fixed in virtual reality device main body, use When using the virtual reality device for being configured with light shield device, hollow region and human body face that shading piece 78 surrounds can be formed at family Relatively closed space avoids extraneous optics from entering.Shading piece 78 passes through front end fixed ring 77 and virtual reality device main body Connection, the first surface 75 of shading piece 78 and the second curved surface 76 extend along the direction close to virtual reality device end, top surface 73 The side being in contact with human body face is the non-close arc by extending centrally out, which can be with human body forehead Match, bottom surface is set as arching upward from both ends to center W-shaped, similarly matches with human body shape of face, and doing so not only can be with Material is saved, the weight of light shield device can also be mitigated, and the wearing comfort level of user can be improved and reach good Shaded effect.Specifically, shading piece 78 may be selected with certain degree of hardness, soft material that is ventilative and can preventing light transmission Matter.Preferably, beautiful in use for the ease of light shield device, it can select that there is certain elasticity and be not easy fold Material, such as cotton of trying to stop people from fighting each other, Lycra etc..For example, material selects a kind of synthesis cloth, the synthesis cloth to have two layers, side be used for into In addition row shading is used for carrying out ensureing ventilative and being unlikely to deform for one layer.Since general cloth is all softer, it is difficult at Type improves elasticity, hardness and the wearability of synthesis cloth, is synthesized two layers of cloth by glue in order to solve this problem. Shading piece 78 has the hollow region for accommodating virtual reality device body front end, specifically, hollow region includes facial contact face With virtual unit joint face；Facial contact face with user's face for contacting, and virtual unit joint face with virtual reality for setting Viewing side connection on the inside of standby framework；Or hollow region includes facial contact face and virtual unit joint face；Facial contact face For being contacted with user's face, virtual unit joint face is used on the outside of the framework with virtual reality device connect.Due to this implementation The optical module of virtual reality device in example can be focusing component, and optical module specifically includes outer lens barrel 211, is fixed on outside The outer optical mirror slip 212 of lens barrel 211, inner lens cone 214, the interior optical mirror slip 217 and location feature part for being fixed on inner lens cone 214 (be specially fixing screws 220 and stir fixing screws 221)；211 side wall of outer lens barrel is equipped at least one tipper 213； Inner lens cone 214 is built in outer lens barrel 211；Location feature part (be specially fixing screws 220 and stir fixing screws 221) with incline Skewed slot 213 corresponds, and each location feature part (be specially fixing screws 220 and stir fixing screws 221) one end is fixed on The side wall of inner lens cone 214, the other end pass through tipper 213 can the sliding in tipper 213.(be specially consolidates location feature part Determine screw 220 and stir fixing screws 221) it is virtual reality device protrusion control key, (be specially when adjusting location feature part Fixing screws 220 and stir fixing screws 221) make inner lens cone 214 along outer lens barrel 211 is opposite slide when, be fixed on outer lens barrel The distance between outer optical mirror slip 212 on 211 and the interior optical mirror slip 217 that is fixed on inner lens cone 214 are adjustable, realize light Learn the focusing of component.In order to enable above-mentioned protrusion control key is easy to operation, the bottom surface of shading piece 78 is equipped with trepanning, and trepanning is used for Virtual reality device protrusion control key, that is, location feature part is exposed, is realizing that the while of focusing also achieves shading.It is above-mentioned virtual The size of the light shield device 7 of real world devices can be：In order to be adapted to the size of human body head form, the front end of light shield device 7 is horizontal It is relatively shorter than rear end fore-and-aft distance to distance.The front end lateral length of general light shield device is arbitrary value within the scope of 50~250mm, Public users size is most suitable between arbitrary value within the scope of preferably 120~170mm, especially 150~160mm, specifically such as 155mm.Longitudinal length arbitrary value within the scope of 30~150mm, arbitrary value, especially 80 within the scope of preferably 60-120mm~ Public users size is most suitable between 100mm, it is specific such as 91mm.The lowermost end of the arc of light shield device top surface is to hood front end Distance be arbitrary value within the scope of 3~25mm, be most suitable between arbitrary value, especially 12~16mm within the scope of preferably 8-20mm Public users size is specific such as 14mm.

The operation principle of the light shield device 7 of above-mentioned virtual reality device is：User is using virtual with light shield device When real world devices, user takes virtual reality device, and the shading piece 78 of light shield device 7 will be with the forehead of user and user Face and virtual reality device form a relatively closed space together, and eyes of user can be allowed to avoid extraneous light dry It disturbs, the visual light of virtual reality device offer is be provided, user is allowed to can be good at the video for being immersed to virtual reality device In scene, the Experience Degree of user is greatly improved.The specific installation steps of the light shield device 7 of above-mentioned virtual reality device are as follows：

The first step：By the closing hollow region of light shield device by virtual reality device body envelopes, it is hollow to be located at closing The front end fixed ring 77 of region inner periphery is in contact with the front end frame of virtual reality device；

Second step：By the first connector 71 and the second connector 72 by the first surface 75 and the second curved surface of light shield device 76 are fixed on virtual reality device, and first surface 75 and the second curved surface 76 extend along the direction of virtual reality device end.When When virtual reality device is Glasses structure, the first connector 71 and the second connector 72 are solid with the temple of virtual reality device respectively It is fixed, it is specifically as follows in two temples of virtual reality device (virtual reality glasses) and is respectively respectively provided with embedded first connection The through-hole 51 of part 71 and the second connector 72, when the first connector 71 and the second connector 72 insertion through-hole 51, it can be achieved that hiding The fixation of light part 78 and virtual reality device main body, and also allow for disassembling, it is convenient for the user to operate, improve the experience of user Degree.It is understood that virtual reality device and shading piece 78 can also realize fixation by way of stickup, do not have to the application Body limits fixed form.

(5) PCBA board 8：As shown in fig. 7, rear shell 3 includes containing cavities 46, for storing the PCBA board of virtual reality device 8, PCBA board 8 is connect with optical system, specifically, the panel vertical connection of PCBA board 8 and left display screen 22, right display screen 24. Meanwhile light sensation component is also connected with PCBA board 8, and it is vertical with PCBA board 8 plane holding.

(6) cooling fin 9：Cooling fin 9 is bonded with the rear of left display screen 22 and right display screen 24 respectively, and with PCBA plates 8 heating device fitting.Specifically, cooling fin 9 includes the carbon film layer of copper foil layer and the outer layer positioned at copper foil layer, copper foil layer and a left side The rear of display screen 22 and right display screen 24 is bonded, and is bonded with the heating device of PCBA board 8.Specifically, since display screen is sent out Heat is small, therefore can choose a part of surface layer painting heat-conducting glue at the rear of left display screen 22 and right display screen 24 and connect with cooling fin 9 It connects.Since display screen is connect with cooling fin only bonding partially, convenient for the dismounting during later maintenance.Due to the chip of PCBA board Generate heat bigger, its heat to be allowed fully to distribute, thus the heating device surface layer of PCBA plates can be filled heat-conducting glue and with Cooling fin 9 connects.In view of light sensation component can also be sheltered from by cooling fin 9, for the ease of repair, light sensation component or other dissipate Service openings can be set at the corresponding cooling fin of device that backing blocks, repaired convenient for the later stage, and avoid and repaired It needs to disassemble entire cooling fin in journey and repair.

(7) data line fixing piece 19：As shown in Figure 19 to 21, data line fixing piece 19 is set for being fixed on virtual reality It is standby upper.Specifically, virtual reality device includes frame and temple, the rear shell 3 of frame is connected close to the side of temple equipped with mirror pin Portion, the mirror pin interconnecting piece are equipped with groove 44, and temple is equipped with the protrusion 53 that can be embedded in groove 44.By above description, in order to Virtual reality device it is overall beautiful, data line fixing piece 19 is fixed on mirror pin interconnecting piece, as screw connect.Data line is fixed Part 19 includes top surface and the first side and second side that connect and be oppositely arranged with top surface respectively, is respectively formed is useful for thereon Fixed part 191, hollow out opening 192, data line host cavity 193 and the data line baffle 194 being fixed on virtual reality device, under Face is described in detail for above-mentioned each component.In the present embodiment, the mirror pin for setting second side and virtual reality device connects Portion is fixedly connected, and first side is located at the inside of the outer periphery of virtual reality device, and first side, second side and top surface surround Data line host cavity it is corresponding with the interface of virtual reality device, then fixed part 191 be located in second side and along far from top The direction in face extends, and fixed part 191 is used for data line fixing piece 19 being fixed on virtual reality device.Fixed part 191 and void Quasi- real world devices are detachably connected, and if virtual reality device is equipped with screw hole, fixed part 191 passes through spiral shell with virtual reality device 195 connection of nail；Or fixed part 191 and the non-dismountable connection of virtual reality device, it such as welds, does not limit specifically.In order to subtract The weight and saving material of light data line fixing piece 19, first side and/or second side are open equipped with hollow out, do not limit to The second side shown in Fig. 1 is equipped with hollow out opening 192.Top surface, first side and second side surround an open on three sides U-shaped data line host cavity 193, the connector for the data line being connect with virtual reality device is housed in data line host cavity In 193.In order to further prevent the connector of data line to loosen or fall, bad connection asks when data line being avoided to loosen to It inscribes, data line baffle 194 can also be further provided on data line fixing piece 19, data line baffle 194 is located at data line and fixes Side of the part 19 far from virtual reality device, data line baffle 194 can be connect with top surface and first side respectively, and and the second side There is the interval for stretching into data line between face；Or data line baffle 194 can be connect with second side and top surface, and with There is gap, the gap is for stretching into data line, while the connector of data line is contained in data line host cavity between one side In 193, which keeps off 25 plates for preventing connector to be detached from data line host cavity 193.Data line fixing piece 19 is installed to Virtual reality device is as follows：

The first step：Data line is connected on virtual reality device, i.e., the connector of data line is inserted into virtual reality Data line interface in equipment, the data line in the present embodiment are generally HDMI data lines, can also be used certainly other be used for into Row data transmission or the data line to charge, are not specifically limited；

Second step：Data line fixing piece 19 is fixed on virtual reality device, the connector of data line is located at data line In fixing piece 19 in data line host cavity 193.It should be noted that the data line fixing piece 19 of the application can be integrally formed, Preferred material is lightweight and the material with certain degree of hardness.

The operation principle of above-mentioned data line fixing piece 19 is：The connector of data line is fixed on virtual reality device first Data line interface on, then the connector of data line is also accommodated in the data line host cavity 193 of data line fixing piece 19, together When data line interface of the data line fixing piece far from virtual reality device side be additionally provided with data line baffle 194, data line gear Plate 194 be used for prevent data line connector loosen or fall, the connector of block data line is displaced outwardly so that data line with Virtual reality device good connection, avoiding user, external data line loosens in use, causes data transmission bad very The problem of falling off to data line in the scene interaction of the virtual reality for the entrance that user can be allowed bold, improves user experience.

Compared with prior art, the virtual reality device in the application has newly increased data line fixing piece 19, in storage number According to line connector while data line is fixed on virtual reality device, data wire connector can be allowed in controllably hair range It is mobile, or even do not move, can thus data line be allowed to be attached very well with virtual reality device, even if user uses Carrying out violent movement in the process will not cause data line to fall off, and larger improves the Experience Degree of user, and improves The applicable scene of virtual reality device.

In the section Example of the application, as shown in figure 26, dust guard fixing groove 223 is identical as 210 shape of dust guard； The depth D of dust guard fixing groove 223 is greater than or equal to the thickness T of dust guard 210.It, can basis for dust guard fixing groove 223 Actual needs, is arranged on the lateral wall or madial wall of outer lens barrel 211.When dust guard fixing groove 223 is arranged in outer lens barrel 211 When on lateral wall, corresponding dust guard 210 is also secured at the lateral wall of outer lens barrel 211, to prevent dust guard 210 solid from dust guard Determine to be detached from slot 223, dust guard 210 can be pasted onto in the groove bottom of dust guard fixing groove 223 by when actual installation.In this way may be used It effectively to avoid the exposed of dust guard 210, plays a protective role to dust guard 210, and general dust guard 210 is using stickup It is fixed, 210 edge of dust guard is accommodated in slot in this way, can prevent its desiccation from falling off, and improve dust-proof effect.Work as dust guard When fixing groove 233 is arranged inside lens barrel, the bar shaped being adapted with 213 location and shape of tipper should be equipped in dust guard 210 Hole achievees the effect that focusing so that location feature part 2200 is passed through out of strip-shaped hole.

In section Example provided by the present application, as shown in figure 23, the agent structure of optical mirror slip focusing component is mainly wrapped Outer lens barrel 211 and inner lens cone 214 are included, two lens barrels are the cylindrical tube shape structure nested together.The two is answered in installation site Keep coaxial, inner lens cone 214 is located at the inside of outer lens barrel 211.Be clearance fit between outer lens barrel 211 and inner lens cone 214, i.e., it is outer The internal diameter of lens barrel 211 is equal to or slightly greater than the outer diameter of inner lens cone 214.For matching between outer lens barrel 211 and inner lens cone 214 It closes, in the actual production process, the size of the internal diameter of outer lens barrel 211 can be limited to the outer diameter equal to inner lens cone 214, but the two Deviation requirement it is different, the internal diameter lower deviation of general outer lens barrel 211 is 0, and the outer diameter upper deviation of inner lens cone 214 is 0 so that The two has certain gap in microstructure, may be implemented mutually to rotate.

Further, in actual use, the size relationship between outer lens barrel 211 and inner lens cone 214 can be according to reality Demand is selected.For example, when the more demanding focusing accuracy of the optical module used in virtual reality device, needing will be outer 211 internal diameter size of lens barrel close to the outer diameter of inner lens cone 214, reduces the gap between two lens barrels, to ensure position as possible That sets is accurate, also, the size between two lens barrels is closer, and the frictional force mutually rotated is bigger, is also more conducive to the control to focusing System.When the more demanding focusing flexibility of the optical module used, then it should suitably increase the internal diameter of outer lens barrel 211, suitably subtract The outer diameter of small inner lens cone 214 reduces frictional force, makes inner lens cone 214 in outer lens barrel by increasing the gap between two lens barrels It can be rotated easily in 211, focusing is rapidly completed.For most virtual reality devices, higher focusing accuracy had both been required, Higher focusing flexibility is required again, and therefore, in the present embodiment, the size between two lens barrels has difference, but difference It should not be too large, i.e., by way of clearance fit, ensure the flexibility of focusing accuracy and focusing.

It is clearance fit, also another advantageous effect in the present embodiment, between outer lens barrel 211 and inner lens cone 214. I.e., it is possible to which the dust in external environment is prevented to enter in lens barrel by the gap between lens barrel.It is nested together clearly for two Lens barrel for, the internal diameter of outer lens barrel 211 differs bigger with the outer diameter of inner lens cone 214, is more easily accessible dust, these dust meetings It is adhered on eyeglass, long-time service can have an impact the translucent effect of eyeglass.And in the present embodiment, inner lens cone 214 and outer Clearance fit between lens barrel 211 can limit in the micron-scale in the gap that contact position is formed, then by adding lubricating oil, subtract Frictional force between small lens barrel, also obstructs dust, reaches dust-proof effect.

In the section Example of the application, as shown in figure 24, inner lens cone 214 is used as draw tube, can be relative to epi mirror The inner wall of cylinder 211 is in axial direction and circumference to sliding；Outer lens barrel 211 is used as static lens barrel, empty for providing sliding for inner lens cone 214 Between.In order to reduce the entrance of dust, in the present embodiment, outer lens barrel 211 is fixed on platen bracket, and inner lens cone 214 is nested in it In, after sealed connection, fixation is bonded between outer lens barrel 211 and platen bracket, and use dust-proof glue further portion in sealing contact Position makes outer lens barrel 211 is opposite to remain static.Inner lens cone 214 is used as movable lens barrel, between outer lens barrel 211 and screen Can be carried out in the space surrounded axial direction and circumference to sliding, it is clear that in order to realize sliding of the inner lens cone 214 in axis direction, The axial length of inner lens cone 214 should be less than the axial length of outer lens barrel 211.

Further, as shown in figure 24, inner lens cone 214 include equipped with ladder-like interior fixed part 2151 round platform 215 and, In the boss 216 that 215 end of round platform extends away from 2151 direction of interior fixed part；The ladder-like interior fixation being arranged on round platform 215 Portion 2151 is eyeglass 217 in fixation, and in actual use, interior fixed part 2151 is real under the premise of step structure Border structure should be selected according to the fixed lens structure of institute, for example, when interior eyeglass 217 is biconvex lens, interior fixed part In 2151 step structure, the face with lens contacts accordingly also has a degree of inclination, so that vertical lens are in scope The axis of cylinder 214, while the fixation of lens is also allowed for, it avoids polluting eyeglass using excessive colloidal materials.And when interior When eyeglass 217 is half convex lens or planar lens, the step structure of interior fixed part 2151 is square, so as to it is better with it is flat Face is bonded.

In the present embodiment, boss 216 in the position of tipper 213 with the inner wall of outer lens barrel 211 for being bonded, boss 216 quantity is equal with the quantity of tipper 213, and 216 periphery of boss is equipped with the peace for installing location feature part 2200 Fill hole 2161.Boss 216 is corresponded with tipper 213, first can be to stretch out location feature in a tipper 213 wherein Fixing screws 221 are stirred in part 2200, fixing screws 220 are stretched out in other tipper 213, to pass through tipper 213 Guiding function, focusing is realized in the position of mobile entire inner lens cone 214.Boss 216 is not only that location feature part 2200 provides peace Holding position, and by the contact of boss 216 and 211 inner wall of outer lens barrel, reduce dust and outer lens barrel is entered by tipper 213 211 inside.In addition to this, by the way that the boss 216 of multiple quantity is arranged, entire tubular is used instead of traditional optical focusing component Structure can mitigate the weight of inner lens cone 214 under the premise of ensureing leakproofness, to be virtual reality device overall structure It realizes lightening, condition is provided.

In addition, in optical module provided by the present application, outer lens barrel 211 includes the outer circle equipped with ladder-like outer fixing portion 2111 Cylinder 2112, and the main cylinder 2113 of outer cylinder 2112 is connected, it is uniformly arranged at least one inclination on the side wall of main cylinder 2113 Slot 213.Outer fixing portion 2111 is for fixed outer optical mirror slip 212 in the present embodiment, since outer optical mirror slip 212 actually makes In, it is directly exposed in environment, the position that outer optical mirror slip 212 is contacted with outer lens barrel 211 is easy by the influence in environment, Glued position is caused to crack.Therefore in order to protect the edge of outer optical mirror slip 212, in the present embodiment, at the end of outer cylinder 2112 Face position is equipped with the annular projection extended to central axes direction, and outer optical mirror slip 212 is mounted on the side inside annular projection, The outer fixing portion 2111 that section is step structure is formed by annular projection, the edge of outer optical mirror slip 212 is protected, mitigates ring Influence of the border to link position improves dust-proof effect to avoid generating gap in contact position.

In dust-proof optical module provided by the present application, as shown in figure 25, tipper is stretched out by location feature part 2200 213, and inner lens cone 214 is driven to be slided inside outer lens barrel 211, adjust interior optical mirror slip 217 and outer optical mirror slip 212 The distance between.As it can be seen that tipper 213 is in the range that the extended distance of axis direction is exactly entire optical module focusing.Therefore, In a kind of technical solution, the minimum range L1 that tipper 213 to outer lens barrel 211 is bonded end face 2116 is greater than or equal to round platform 215 axial width W；Tipper 213 is less than the height H of boss 216 in the axially extending distance L2 of main cylinder 2113；Also, Tipper 213 is greater than or equal to the height H of boss 216 to the minimum range L3 of outer cylinder 2112；Tipper 213 is circumferentially Extended distance L4 is less than or equal to the 1/2 of the circle circumferential lengths AL of boss 216.

For in inner lens cone 214, the effect of round platform 215 is mainly used for optical mirror slip 217 in fixed, and passes through round platform 215 loop configuration fixes boss 216, forms the matching relationship between inner lens cone 214 and outer lens barrel 211.It is whole in order to reduce Body weight, round platform 215 should ensure that reduces axial width W as far as possible under the premise of entirety is indeformable, and in actual use, if When location feature part drives inner lens cone 214 to be in tipper 213 on the position of fitting end face 2116, i.e., interior optical frames When piece 217 is located most closely on the position of screen, it should ensure that inner lens cone 214 is not readily accessible to screen together with interior optical mirror slip 217 Or screen mount, therefore in the present embodiment, setting tipper 213 to outer lens barrel 211 is bonded the minimum range of end face 2116 L1 is greater than or equal to the axial width W of round platform 215, and this makes it possible to ensure that interior optical mirror slip 217 is in outer lens barrel 211 and screen Between in the region that is formed, do not touch screen in two extreme positions.Similarly, in another extreme position of tipper 213 When upper, the minimum range L3 of setting tipper 213 to outer cylinder 2112 is greater than or equal to the height H of boss 216, also for Activity in the region that guarantee inner lens cone 214 is formed between outer lens barrel 211 and screen.

And in the present embodiment, for the boss 216 of inner lens cone 214, main function is to provide location feature part 2200 Installation site, and by providing larger fitting area on 213 contact position of tipper, when location feature part 2200 When two extreme positions in tipper 213, boss 216 can ensure axial direction and circumference to, not with tipper 213 it Between generate contact gap, it is clear that contact gap here refers not only to exist between the lateral wall and main cylinder 2113 of boss 216 Gap also refers to the dislocation that the marginal position of position and boss 216 in the slot of tipper 213 generates, and then the gap formed.

In order to reach said effect, in the present embodiment, boss 216 is further limited to：Tipper 213 is in main cylinder 2113 axially extending distance L2 is less than the height H of boss 216；The extended distance L4 of tipper 213 circumferentially is less than or waits In the 1/2 of the circle circumferential lengths AL of boss 216.Wherein, tipper 213 is less than convex in the axially extending distance L2 of main cylinder 2113 The height H of platform 216 cannot when on two extreme positions in order to which in focussing process, the height H of boss 216 disclosure satisfy that Dislocation is generated with position in the slot of tipper 213.That is, working as location feature part 2200 in tipper 213 near fitting end face When 2116 position, boss 216 the top surface of axis direction be enough be more than tipper 213 in farthest away from fitting end face 2116 position It sets；And when location feature part 2200 is located in tipper 213 farthest away from the position of fitting end face 2116, boss 216 is in axis The bottom surface in defence line is enough to be more than in tipper 213 near the position of fitting end face 2116.

Similarly, the extended distance L4 of tipper 213 circumferentially is less than or equal to the circle circumferential lengths AL's of boss 216 1/2.Following advantageous effect can be reached, when location feature part 2200 in tipper 213 near fitting end face 2116 position When setting, boss 216 two sides of circumferencial direction be above 213 circumference of tipper to both ends；And work as location feature part 2200 when being located in tipper 213 farthest away from the position of fitting end face 2116, boss 216 two sides of circumferencial direction also all More than 213 circumference of tipper to both ends.

By above technical scheme it is found that inner lens cone provided in this embodiment 214 in actual use, can be by being equipped with rank Interior optical mirror slip 217 is mounted on round platform 215 by the round platform 215 of the interior fixed part 2151 of ladder configuration, and the other end of round platform 215 is equal Even at least one boss 216 of setting replaces entire cylindrical-shaped structure by the boss 216 of setting, reduces the entirety of inner lens cone 214 Weight.By limiting the axial height and circle circumferential width degree of boss 216 and round platform 215, ensure that location feature part 2200 is inclining When two extreme positions of skewed slot 213, the both sides of inner lens cone 214 are not exposed to screen and outer cylinder 2112, and ensure boss 216 circumference outer wall is contacted with the inner wall of main cylinder 2113 always, is not generated gap in the position of tipper 213, is improved whole The dust-proof effect of body.

In a kind of technical solution, in order to further increase dust-proof effect, on 213 corresponding position of each tipper, Present invention also provides the dust guards 210 for preventing extraneous dust from entering, and dust guard 210 is the madial wall with main cylinder 2113 Or the identical bending laminated structure of lateral wall radius of curvature.PVC material or thermoplastic elastomer material may be used in dust guard 210 Laminated structure made of material, specific material the application does not limit, but dust guard 210 should at least meet the requirement of light material, It avoids increasing overall weight.In section Example provided by the present application, the inner wall or lateral wall of outer lens barrel 211, which are equipped with, to be used In the dust guard fixing groove 223 of installation dust guard 210.Obviously, the position of dust guard fixing groove 223 should on outer lens barrel 211 213 position of tipper is corresponding, and the area of dust guard fixing groove 223 is slightly larger than the area of tipper 213.It is actually using In, the shape of dust guard 210 is to meet bending sheet identical with the madial wall of main cylinder 2113 or lateral wall radius of curvature Under the premise of structure, concrete shape should be determined according to the shape of dust guard fixing groove 223, for example, with reference to Figure 25, dust guard fixing groove 223 shape is that two sides are parallel with the side wall of tipper 213, two top margins quadrilateral structure vertical with tipper 213 When, the structure of dust guard 210 should also be corresponding quadrilateral structure.

Further, as shown in figure 25, the axis direction width S W of dust guard 210 is more than tipper 213 in main cylinder 2113 axially extending distance L2；Also, the circle circumferential lengths SL of dust guard 210 is more than the extension of tipper 213 circumferentially Distance L4.In the present embodiment, if thinking, dust guard 210 plays best dust-proof effect, and in actual use, area is wanted can be complete The entire tipper 213 of all standing, in principle for, as long as the position that dust guard 210 covers 213 notch of tipper can be real It is existing dust-proof, but for the ease of processing and installation, dust guard 210 still uses the shape of rule, and to meet dust guard 210 Axis direction width S W be more than tipper 213 main cylinder 2113 axially extending distance L2；The circle circumferential lengths of dust guard 210 SL is more than the extended distance L4 of tipper 213 circumferentially, and to reduce the gap of 213 position of tipper generation, very high sealing is anti- Dirt effect.

In the section Example of the application, the internal diameter D1 of inner lens cone 214 is greater than or equal to the minimum of outer fixing portion 2111 Internal diameter D2.In actual use, outer fixing portion 2111 is used for installing outer optical mirror slip 212, specifically by being arranged in outer optics The one side of outer optical mirror slip 212 is attached to one of step structure by the step structure at 212 edge of eyeglass by dust-proof gluing On table top, and the dust in external environment enters in order to prevent, as shown in above-described embodiment, the ladder of outer fixing portion 2111 Shape structure is annular projection, the image that user passes through transmission inside the structure observation optical module inside annular projection.It is not difficult to manage Solution, the internal diameter and the annular projection internal diameter in outer cylinder 2112 of inner lens cone 214 can directly affect field range.Therefore, In the present embodiment, as shown in figure 24, the internal diameter D1 of setting inner lens cone 214 is greater than or equal to the minimum diameter of outer fixing portion 2111 D2 can influence the path channels that outer fixing portion 2111 forms to avoid the internal structure of inner lens cone 214, avoid forming screening to image Gear.In addition, the internal diameter D1 of inner lens cone 214 is greater than or equal to the minimum diameter D2 of outer fixing portion 2111, additionally it is possible to which making need not too The inner lens cone 214 of high intensity, further mitigates weight, avoids the increase of overall weight.

But for outer lens barrel 211, in order to inner lens cone 214 there are enough activity spaces, in the present embodiment, setting The outer diameter D 3 of main cylinder 2113 is more than the outer diameter D 4 of outer cylinder 2112.The outer diameter D 3 of main cylinder 2113 is more than the outer of outer cylinder 2112 Diameter D4, on the one hand, the cylindric sky of internal diameter bigger can be formed at main cylinder 2113 under the premise of cylinder thickness is constant Between so that inner lens cone 214 will not be excessive because of thickness, and blocks the light path of optical module；It on the other hand, can be in outer cylinder 2112 positions being connect with main cylinder 2113, form 211 outer wall of outer lens barrel of step structure, and such outer wall construction can be with Be bonded rear shell in actual installation, outer cylinder 2112 made to stretch out rear shell surface, convenient for whole positioning during the installation process, also into One step prevents the dust in external environment from entering front housing 1 and the composition of rear shell 3 in virtual reality device by the outer wall of outer lens barrel 211 Containing cavities 46 in.

In a kind of technical solution, one end far from outer cylinder 2112 on outer lens barrel 2113 is additionally provided with：It is raised in main cylinder The ring packing platform 2114 of 2113 lateral walls；And the spacing ring 2115 in 2113 madial wall of main cylinder is set.Wherein, raised In the ring packing platform 2114 of 2113 lateral wall of main cylinder, slot that can be in actual installation process with the setting on screen mount Mouth fitting, further increases leakproofness, prevents extraneous dust from entering inside lens barrel by being bonded end face 2116.It is arranged in main cylinder The spacing ring 2115 of 2113 madial walls in actual use, can be after entire inner lens cone 214 be packed into outer lens barrel 211, then passes through One can be protected with the further internally optical mirror slip 217 of spacing ring 2115 that 2113 madial wall of main cylinder is coordinated. That is, forming the cyclic structure of protection eyeglass at the edge of eyeglass, interior optical mirror slip 217 is avoided to be impacted and taken off when in use From scheduled installation site.

Further, the internal diameter of spacing ring 2115 is less than the internal diameter of interior fixed part 2151, is greater than or equal to the interior of round platform 215 Diameter；It is flat that sealing station 2114 and spacing ring 2115 in the end face far from outer fixing portion 2111 with outer lens barrel 211 are bonded end face 2116 Together.The internal diameter of spacing ring 2115 is less than the internal diameter of interior fixed part 2151, and can be in reality more than or equal to the internal diameter of round platform 215 Border ensures better seal effect under the premise of not blocking the inside field range of optical module, prevents ash after installation is complete Dirt enters.And sealing station 2114 and spacing ring 2115 are bonded end face in the end face far from outer fixing portion 2111 with outer lens barrel 211 2116 is concordant, can be bonded end face 2116 with outer lens barrel 211 and be fixed on screen mount together, keep contact position more secured.

In the section Example of the application, outer optical mirror slip 212 and interior optical mirror slip 217 are all planoconvex lens, and outer The planar side 2121 of optical mirror slip 212 is bonded with outer fixing portion 2111；The planar side 2171 of interior optical mirror slip 217 and interior fixed part 2151 fittings.It is practical to be considered as practical Zoom effect in use for outer optical mirror slip 212 and interior optical mirror slip 217, it is protecting Demonstrate,prove the image penetrated enough clearly under the premise of, using being easier to make for fixed planoconvex lens.In general, convex lens mainly divides For three kinds of forms, i.e. biconvex lens, planoconvex spotlight and concave-convex lens, wherein be exactly most planoconvex spotlight convenient for fixed lens, put down Convex lens includes two faces, is plane on one side, is curved surface on one side, in the present embodiment, the planar side 2121 of outer optical mirror slip 212 with Outer fixing portion 2111 is bonded；The planar side 2171 of interior optical mirror slip 217 is bonded with interior fixed part 2151.Such structure is not only just In fixation, the usage amount of fluid sealant is reduced, and the curved sides for being easily adhered dust can be arranged in the inside of lens barrel, avoided Influence of the dust to eyeglass and viewing.Certainly, it is understood that the optical mirror slip of the application is not limited to convex lens, according to practical light Road demand, other concavees lens and plane mirror can also be realized.

The application also provides a kind of virtual reality device, as shown in figure 27, including front housing 1, rear shell 3 and above-described embodiment Described in optical mirror slip focusing component 2.

Front housing 1 is identical as the edge contour of rear shell 3, and front housing 1 connect formation with rear shell 3 for storing optical mirror slip focusing group The cavity of part 2 and electronic device.In the present embodiment, front housing 1 forms the main body of virtual reality device with rear shell 3, wherein accommodates screen Curtain, electronic component, pcb board and optical module, and it is respectively arranged with temple and for counting in the main body both sides of formation Image is presented on by the cooperation of electronic device and optical module by two fronts of wearer according to the interface etc. of transmission.

In virtual reality device provided by the present application, as shown in figure 28, set in rear shell 3 there are two mirror hole 3001, mirror hole 3001 in actual installation process for placing optical module.Further, the diameter in mirror hole 3001 is greater than or equal to optical frames The outer diameter of outer cylinder 2112 in piece focusing component 2.This structure can be in actual use by the outer of optical mirror slip focusing component 2 2112 part of lens barrel is stretched out from mirror hole 3001, and viewing area is formed before the eyes of wearer, and image is presented for eyes.This implementation In example, although the diameter in another mirror hole 3001 is greater than or equal to the outer diameter of outer lens barrel 2112, fixed effect in order to further increase, The diameter for further defining mirror hole 3001 is less than the outer diameter of main cylinder 2113, and such structure can make full use of in above-described embodiment, Hierarchic structure is fitted in the edge in mirror hole 3001 by the step structure formed between outer cylinder 2112 and main cylinder 2113, into One step fixes optical mirror slip focusing component.

In addition, in virtual reality device provided by the present application, it is additionally provided in rear shell 3 and inclines with optical mirror slip focusing component 2 213 position of skewed slot corresponds to, and the identical regulating tank of shape 42.Regulating tank 42 can be convenient according to practical adjustments, is arranged in rear shell 3 Any position.But the installation site for beauty and with lens barrel is corresponding, regulating tank 42 is arranged after virtual reality device On the center of shell 3, and positioned at the position of bottom, i.e., when wearing, regulating tank 42 is arranged in 2 installation position of optical mirror slip focusing component The lower section set.Overall appearance is neither influenced in this way, moreover it is possible to be reduced dust and be entered inside virtual reality device from regulating tank 42.

In above example, it is not only limited to virtual reality device, applies also for any helmet, and described is worn Equipment be specifically including but not limited to virtual reality device, augmented reality equipment, game station, mobile computing device and it is other can Wearable computer etc..It should be noted that numerical value disclosed in the embodiment of the present application, including apart from accounting, width ratio and thick Spend than etc. be size relationship between illustrating each component, in practical applications, other also can be used in the size of each component When the size of numerical value, one of component changes, the size of other parts also changes, the numerical value after specific variation, The application repeats no more, and can be accordingly calculated according to proportionate relationship disclosed herein.

By above technical scheme it is found that the optical mirror slip focusing component provided by the present application with dust reduction capability, including it is embedding The inner lens cone 214 and outer lens barrel 211 being nested together, meet the relationship of clearance fit between outer lens barrel 211 and inner lens cone 214, In the case that lube layer is set, it is possible to reduce dust enters lens barrel by the fit clearance of inner lens cone 214 and outer lens barrel 211 The space interior of composition, is adhered on eyeglass, influences viewing effect.The round platform 215 that is arranged in inner lens cone 214 and boss 216 Structure can guarantee the sealing effect with 213 contact position of tipper, and mitigate overall weight.Inclining on outer lens barrel 211 is set Skewed slot 213 makes user when stirring location feature part 2200 for across location feature part 2200, drive inner lens cone 214 with And interior optical mirror slip 217 carry out axial direction and circumference to sliding, complete the adjustment of focusing.Outer lens barrel 211 madial wall or Person's lateral wall is equipped with dust guard fixing groove 223 and dust guard 210, and the dust in external environment is further prevented to enter lens barrel composition Space in, improve dust-proof effect.

Similar portion cross-reference between embodiment provided by the present application, specific implementation mode provided above is only It is several examples under the total design of the application, does not constitute the restriction of the application protection domain.For those skilled in the art For member, any other embodiment expanded without creative efforts according to application scheme all belongs to In the protection domain of the application.

Claims (18)

1. a kind of optical mirror slip focusing component with dust reduction capability, which is characterized in that including：Outer lens barrel (211) is fixed on institute State the outer optical mirror slip (212), inner lens cone (214), the interior optical mirror slip for being fixed on the inner lens cone (214) of outer lens barrel (211) (217), location feature part (2200) and at least one dust guard (210)；

Outer lens barrel (211) side wall is equipped at least one tipper (213)；

The inner lens cone (214) is built in the outer lens barrel (211)；Inner lens cone (214) is used as draw tube, can be relative to epi mirror The inner wall of cylinder (211) is in axial direction and circumference to sliding；Outer lens barrel (211) is used as static lens barrel, for being provided for inner lens cone (214) Sliding space；

The location feature part (2200) corresponds with the tipper (213), each described location feature part (2200) one end It is fixed on the side wall of the inner lens cone (214), the other end passes through the tipper (213) that can be slided in the tipper (213) It is dynamic；

The outer optical mirror slip (212) and the interior optical mirror slip (217) are the planoconvex lens that section is D-shaped.

2. optical mirror slip focusing component according to claim 1, which is characterized in that the dust guard (210) is located at described On corresponding outer lens barrel (211) lateral wall of tipper (213) or madial wall.

3. optical mirror slip focusing component according to claim 2, which is characterized in that the tipper (213) it is corresponding Outer lens barrel (211) lateral wall or madial wall are equipped with dust guard fixing groove (223).

4. optical mirror slip focusing component according to claim 3, which is characterized in that the location feature part (2200) is respectively Fixing screws (221) are stirred by two fixing screws (220) and one to form, the dust guard is by two the first dust guards (218) it is formed with second dust guard (219), it is corresponding described that second dust guard (219) is fixed on certain tilt slot In dust guard fixing groove (223) on outer lens barrel (211) madial wall, the certain tilt slot is described to stir fixation for stretching into The tipper (213) of screw (221), first dust guard (218) are corresponding for being fixed on remaining described tipper (213) In dust guard fixing groove (223) on outer lens barrel (211) lateral wall.

5. optical mirror slip focusing component according to claim 4, which is characterized in that second dust guard (219) is equipped with Notch corresponding with the certain tilt slot.

6. optical mirror slip focusing component according to claim 4, which is characterized in that the material of second dust guard (219) Matter is thermoplastic polyurethane elastomer rubber TPU.

7. optical mirror slip focusing component according to claim 3, which is characterized in that the dust guard fixing groove (223) with Dust guard (210) shape is identical；

The depth D of the dust guard fixing groove (223) is greater than or equal to the thickness T of the dust guard (210).

8. optical mirror slip focusing component according to claim 1, which is characterized in that the outer lens barrel (211) with it is described interior Lens barrel (214) is the two cylindrical tube shape structures nested together；Between the outer lens barrel (211) and the inner lens cone (214) For clearance fit.

9. optical mirror slip focusing component according to claim 8, which is characterized in that the inner lens cone (214) includes being equipped with The round platform (215) of ladder-like interior fixed part (2151) and, the round platform (215) hold away from the interior fixed part (2151) boss (216) that direction extends；

The interior fixed part (2151) for fixing the interior optical mirror slip (217), with described incline by the quantity of the boss (216) The quantity of skewed slot (213) is equal, and boss (216) periphery is equipped with the peace for installing the location feature part (2200) It fills hole (2161)；

The outer lens barrel (211) includes the outer cylinder (2112) equipped with ladder-like outer fixing portion (2111), and is connected described outer The main cylinder (2113) of cylinder (2112) is uniformly arranged at least one tipper on the side wall of the main cylinder (2113) (213)；

The outer fixing portion (2111) is for fixing the outer optical mirror slip (212).

10. optical mirror slip focusing component according to claim 9, which is characterized in that the tipper (213) is arrived described outer Lens barrel (211) is bonded the axial width Ws of the minimum range L1 more than or equal to the round platform (215) of end face (2116)；

The tipper (213) is less than the height of the boss (216) in the axially extending distance L2 of the main cylinder (2113) H；

The tipper (213) is greater than or equal to the height of the boss (216) to the minimum range L3 of the outer cylinder (2112) Spend H；

The extended distance L4 of the tipper (213) circumferentially is less than or equal to the circle circumferential lengths AL of the boss (216) 1/2.

11. optical mirror slip focusing component according to claim 9, which is characterized in that the dust guard (210) be with it is described The madial wall or the identical bending laminated structure of lateral wall radius of curvature of main cylinder (2113)；

The axis direction width S W of the dust guard (210) be more than the tipper (213) the main cylinder (2113) axis To extended distance L2；

The circle circumferential lengths SL of the dust guard (210) is more than the extended distance L4 of the tipper (213) circumferentially.

12. optical mirror slip focusing component according to claim 9, which is characterized in that far from institute on the outer lens barrel (211) The one end for stating outer cylinder (2112) is additionally provided with：It is raised in the ring packing platform (2114) of main cylinder (2113) lateral wall；With And

It is raised in the spacing ring (2115) of main cylinder (2113) madial wall；The internal diameter of the spacing ring (2115) is less than described The internal diameter of interior fixed part (2151) is greater than or equal to the internal diameter of the round platform (215)；

The sealing station (2114) and the spacing ring (2115) far from the outer fixing portion (2111) end face with it is described outer It is concordant that lens barrel (211) is bonded end face (2116).

13. optical mirror slip focusing component according to claim 1, which is characterized in that the outer optical mirror slip (212) is fixed In the inside top of the outer lens barrel (211).

14. optical mirror slip focusing component according to claim 13, which is characterized in that the outer optical mirror slip (212) with Dust-proof glue is equipped at the interior side contacts of the outer lens barrel (211).

15. optical mirror slip focusing component according to claim 1, which is characterized in that the interior optical mirror slip (217) is fixed Inside bottom in the inner lens cone (214).

16. optical mirror slip focusing component according to claim 15, which is characterized in that the interior optical mirror slip (217) with Dust-proof glue is equipped at the interior side contacts of the inner lens cone (214).

17. optical mirror slip focusing component according to claim 1, which is characterized in that the inner lens cone (214) with it is described outer Dust-proof oil reservoir is set between lens barrel (211), and the dust-proof oil reservoir is for preventing dust from the inner lens cone (214) and outer lens barrel (211) contact position enters.

18. a kind of virtual reality device, which is characterized in that including any one of front housing (1), rear shell (3) and claim 1-17 The optical mirror slip focusing component (2), wherein：

It is set on the rear shell (3) there are two mirror hole (3001), the diameter of the mirror hole (3001) is greater than or equal to the optical frames The outer diameter of outer cylinder (2112) in piece focusing component (2)；

, and shape corresponding with tipper (213) position in the optical mirror slip focusing component (2) is additionally provided on the rear shell (3) Identical regulating tank (42).