CN206096630U

CN206096630U - A bandeau adjusting device , bandeau and video glasses for video glasses

Info

Publication number: CN206096630U
Application number: CN201621085541.XU
Authority: CN
Inventors: 严绍军
Original assignee: Shenzhen Dajiang Innovations Technology Co Ltd
Current assignee: Shenzhen Dajiang Innovations Technology Co Ltd
Priority date: 2016-09-27
Filing date: 2016-09-27
Publication date: 2017-04-12
Anticipated expiration: 2026-09-27

Abstract

The utility model provides a bandeau adjusting device, bandeau and video glasses for video glasses, wherein the bandeau adjusting device include: the mount pad is equipped with inner ratchet, the linkage piece is installed on the mount pad, the linkage piece is equipped with the gear and has elastic at least one spacing portion, at least one spacing portion supports leans on on inner ratchet's the ratchet teeth, the thumb wheel, with a linkage connection drives a linkage rotation, be equipped with on the thumb wheel with the corresponding portion that breaks away from of spacing portion. Wherein when the thumb wheel rotates to one side, a butt breaks away from spacing portion and making it is right that spacing portion breaks away from inner ratchet's locking. When the thumb wheel rotates to the opposite side, spacing portion is pasting inner ratchet rotates, the rackwork, with gear engagement, wherein a linkage rotating band carry -over bar mechanism expandes or draws in in to both sides. The utility model discloses have the convenience of regulation, wear comfortable effect.

Description

A kind of headband adjusting means for video eyeglasses, headband and video eyeglasses

Technical field

The utility model belongs to wearable device field, is related to a kind of headband adjusting means, headband for video eyeglasses And video eyeglasses.

Background technology

In prior art, the video eyeglasses such as all types of VR (Virtual Reality, virtual reality) are gradually prevailing, application Occasion it is also more and more extensive.But, video eyeglasses have bigger volume or weight compared with common spectacles, it is impossible to using biography The mode of system spectacle frame is fixed on head.

Therefore, the headband wearing mode of prior art, generally comprises the following two kinds mode：Soft headband mode and hardhead band side Formula.The soft headband mode be exactly it is the more commonly used be elastic band plus VELCRO mode.Such headband adopts softwood Matter, the stickiness of soft headband is relatively good, but can tie head tight, with long afterwards can be uncomfortable, while there is also the caducous feelings of appearance Condition.And the mode of hardhead band, can part the soft headband of solution deficiency, while the Material Strength of hardhead band is high, comfortableness is good. However, the problems such as hardhead band there is also elastic regulation inconvenience.

Utility model content

The utility model provides a kind of headband adjusting means for video eyeglasses, headband and video eyeglasses.

According to the first aspect of the utility model embodiment, there is provided a kind of headband adjusting means for video eyeglasses, bag Include：

Mounting seat, is provided with handle ratchet wheel；

STATEMENT OF FEDERALLY SPONSORED, in the mounting seat, the STATEMENT OF FEDERALLY SPONSORED is provided with gear and the resilient at least limiting section of tool, An at least limiting section support is leaned against on the hook tooth of the handle ratchet wheel；

Thumb wheel, is connected and drives the STATEMENT OF FEDERALLY SPONSORED to rotate with the STATEMENT OF FEDERALLY SPONSORED, and the thumb wheel is provided with and the limiting section Corresponding disengaging portion；Wherein described thumb wheel to side rotate when, the disengaging portion abuts the limiting section and makes described spacing Portion departs from the locking to the handle ratchet wheel；The thumb wheel to opposite side rotate when, the limiting section againsts the handle ratchet wheel and rotates；

Rackwork, engages with the gear, wherein the STATEMENT OF FEDERALLY SPONSORED rotational band carry-over bar mechanism launches to both sides or receives Hold together.

Alternatively, the limiting section includes elastic portion and the sticking department being arranged in the elastic portion, and the sticking department Along the axially projecting of the STATEMENT OF FEDERALLY SPONSORED；The sticking department is resisted against on the handle ratchet wheel, and the elastic portion is abutted and made described Sticking department is disengaged with the handle ratchet wheel.

Alternatively, it is radially projecting in the elastic portion to be provided with boss portion, and disengaging portion protrusion is arranged on described dialling On the internal perisporium of wheel；Rotating the thumb wheel makes the disengaging portion abut to the boss portion, the sticking department and the handle ratchet wheel Disengage.

Alternatively, linkage groove is offered on the thumb wheel, the STATEMENT OF FEDERALLY SPONSORED is provided with rotating boss, and the rotating boss sets In being placed in the linkage groove.

Alternatively, rotation space is provided between the rotating boss and the linkage groove, the thumb wheel turns along rotation space When dynamic, the disengaging portion abuts the limiting section.

Alternatively, the central angle of the rotation space slides into radian corresponding to boss portion equal to disengaging portion along elastic portion Central angle.

Alternatively, the STATEMENT OF FEDERALLY SPONSORED is provided with the fluting for housing the limiting section, and the fluting provides the limiting section and supported The space for connecing and being subjected to displacement.

Alternatively, the rackwork includes the first tooth bar band engaged with the gear and the second tooth bar band, wherein institute State and be respectively equipped with the first engaging tooth and the second engaging tooth on the first tooth bar band and the second tooth bar band；The STATEMENT OF FEDERALLY SPONSORED is rotated and drives institute State the first tooth bar band and the second tooth bar band to launch to both sides or draw in.

Alternatively, the first tooth bar band and the second tooth bar band are respectively equipped with the first elongated slot and the second elongated slot, and described first Engaging tooth is arranged in the first elongated slot, and the second engaging tooth is arranged in the second elongated slot, the gear and the first engaging tooth and second Engage respectively during drive side of tooth.

Alternatively, first engaging tooth is arranged on a long madial wall of first elongated slot, second engaging tooth It is arranged on a long madial wall of second elongated slot, first engaging tooth and the second engaging tooth are oppositely arranged nibble jointly up and down It is bonded to gear.

Alternatively, the mounting seat is provided with cover plate, and the cover plate is provided with gathering sill, and the rackwork is limited to described In gathering sill.

Alternatively, damping piece is installed between the mounting seat and the STATEMENT OF FEDERALLY SPONSORED.

Alternatively, the cover plate is provided with the axis of guide, and the axis of guide is conllinear with the gear, and the damping piece is arranged on On the axis of guide and against to gear.

According to the second aspect of the utility model embodiment, there is provided a kind of headband for video eyeglasses, including：

Headband main body；

Above-mentioned headband adjusting means, the two ends of the rackwork are articulated in the headband main body, and the headband is adjusted Regulating device crowds around to form accommodating cavity with headband main body.

Alternatively, the headband main body includes installation portion and is connected to the connecting portion at installation portion two ends, the rackwork It is articulated on two connecting portions.

According to the third aspect of the utility model embodiment, there is provided a kind of video eyeglasses, including lens body and with it is described The headband main body of lens body connection, the video eyeglasses also include headband adjusting means, and the headband adjusting means is installed in In the headband main body.

The technical scheme that embodiment of the present utility model is provided can include following beneficial effect：

The limiting section is locked on handle ratchet wheel, and the position of headband and size are stable, is difficult to loosen.Need to adjust headband During size, the disengaging portion on thumb wheel abuts limiting section, makes limiting section release the locking to handle ratchet wheel, and thumb wheel and STATEMENT OF FEDERALLY SPONSORED can bands Carry-over bar mechanism phase both sides are drawn in or are launched, and banding and the release for adjusting headband is corresponded to respectively, easy to adjust.Rotated in thumb wheel Cheng Zhong, is equipped with the damping piece of a circle flexible glue property between gear and mounting seat, eliminate the gap in Meshing Process of Spur Gear, carries The comfort level of lift operations feel.Further, the headband adjusting means is pivotally attached in headband main body, can be by adjusting headband Adjusting means reaches headband comfortable wearing and the effect suitable for different user changing the size of accommodating cavity.

Description of the drawings

Fig. 1 is a kind of structural representation for video eyeglasses headband shown in the exemplary embodiment of the utility model one；

Fig. 2 is that a kind of detonation configuration for video eyeglasses headband shown in the exemplary embodiment of the utility model one is illustrated Figure；

Fig. 3 is that the one kind shown in the exemplary embodiment of the utility model one is used for thumb wheel band carry-over bar in video eyeglasses headband The structural representation of mechanism's movement；

Fig. 4 is the dimensional structure diagram of the headband adjusting means shown in the exemplary embodiment of the utility model one；

Fig. 5 is the front view of the headband adjusting means shown in the exemplary embodiment of the utility model one；

Fig. 6 is the configuration schematic diagram of the headband adjusting means shown in the exemplary embodiment of the utility model one；

Fig. 7 is that the stereochemical structure of STATEMENT OF FEDERALLY SPONSORED in headband adjusting means shown in the exemplary embodiment of the utility model one is illustrated Figure；

Fig. 8 is that the stereochemical structure of mounting seat in headband adjusting means shown in the exemplary embodiment of the utility model one is illustrated Figure；

Fig. 9 is the dimensional structure diagram of the video eyeglasses shown in the exemplary embodiment of the utility model one.

Wherein, mounting seat 10；Handle ratchet wheel 11；Hook tooth 111；Avoid hole 12；Concave face 13；Installation axle 14；STATEMENT OF FEDERALLY SPONSORED 20； Limiting section 21；Elastic portion 211；Sticking department 212；Boss portion 213；Rotating boss 22；Gear 23；Fluting 24；Thumb wheel 30；Disengaging portion 31；Linkage groove 32；Rotation space 33；Damping piece 40；Rackwork 50；First tooth bar band 51；First elongated slot 511；First engagement Tooth 512；Second tooth bar band 52；Second elongated slot 521；Second engaging tooth 522；Headband main body 60；Installation portion 61；Connecting portion 62；Lid Plate 70；Gathering sill 71；The axis of guide 72；Lens body 80；Headband adjusting means 81.

Specific embodiment

Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Explained below is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the utility model.Conversely, they be only with such as The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.

The term used in the utility model is, only merely for the purpose of description specific embodiment, and to be not intended to be limiting this reality With new." one kind ", " described " and " being somebody's turn to do " of singulative used in the utility model and appended claims It is intended to include most forms, unless context clearly shows that other implications.It is also understood that term used herein " and/ Or " refer to and comprising one or more associated any or all possible combinations for listing project.

It will be appreciated that though various information may be described using term first, second, third, etc. in the utility model, But these information should not necessarily be limited by these terms.These terms are only used for that same type of information is distinguished from each other out.For example, not In the case of departing from the utility model scope, the first information can also be referred to as the second information, and similarly, the second information can also It is referred to as the first information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ... " or " in response to determining ".

As shown in Figure 1, Figure 2 with shown in Fig. 9, a kind of headband for video eyeglasses according to an exemplary embodiment is wrapped Include：Headband main body 60 and headband adjusting means 81.The two ends of the rackwork 50 in the headband adjusting means 81 are articulated in head In band main body 60, wherein the headband adjusting means 81 crowds around to form accommodating cavity with the headband main body 60.The headband main body 60 form ring head band with the mounting seat 10 in headband adjusting means 81, and accommodating cavity is the circular space of headband, is made to be adapted to User's head.

The headband main body 60 includes installation portion 61 and is connected to the connecting portion 62 at the two ends of installation portion 61, wherein the tooth bar Mechanism 50 is articulated on two connecting portions 62.The installation portion 61 is to install lens body 80.The headband main body 60 is in " U " word Shape, the shape of headband main body 60 is fixed, the stable fixed lens body 80 of energy.The deformation of the headband main body 60 is little, headband master Body 60 forms the rigid headband of dimensionally stable, comfortable wearing.Rackwork 50 is articulated in respectively on two connecting portions 62, forms closing Accommodating cavity, lens body 80 be arranged on installation portion 61 on, headband adjusting means 81 adjust mounting seat 10 position, be articulated in two Rackwork 50 on connecting portion 62 can be rotated around pivoting point, make mounting seat 10 away from or the direction of close lens body 80, adjust Elasticity when user uses, it is easy to adjust.

With continued reference to shown in Fig. 3 to Fig. 8, a kind of headband for video eyeglasses according to an exemplary embodiment is adjusted Regulating device, including：Mounting seat 10, STATEMENT OF FEDERALLY SPONSORED 20, thumb wheel 30 and rackwork 50, in mounting seat 10 handle ratchet wheel 11, interior spine are provided with Wheel 11 is provided with some hook tooths 111, and hook tooth 111 is obliquely installed clockwise or counterclockwise.The STATEMENT OF FEDERALLY SPONSORED 20 is pacified It is mounted in mounting seat 10, STATEMENT OF FEDERALLY SPONSORED 20 can be around rotating along axis, and STATEMENT OF FEDERALLY SPONSORED 20 is provided with gear 23 and the resilient at least limit of tool Position portion 21, at least a limiting section 21 are resisted against on the hook tooth 111 of handle ratchet wheel 11, alternatively, are uniformly distributed in STATEMENT OF FEDERALLY SPONSORED 20 Three limiting sections 21, can balance the stress of STATEMENT OF FEDERALLY SPONSORED 20, and coupling mechanism force and elastic force can be improved again.The thumb wheel 30 and STATEMENT OF FEDERALLY SPONSORED 20 Connect and drive STATEMENT OF FEDERALLY SPONSORED 20 to rotate, thumb wheel 30 is provided with the disengaging portion 31 corresponding with limiting section 21.Wherein thumb wheel 30 to When side rotates, disengaging portion 31 abuts limiting section 21 and makes limiting section 21 depart from the locking to handle ratchet wheel 11；Thumb wheel 30 is to opposite side During rotation, limiting section 21 againsts handle ratchet wheel 11 and rotates.The rackwork 50 is engaged with gear 23, wherein the rotational band of STATEMENT OF FEDERALLY SPONSORED 20 Carry-over bar mechanism 50 launches to both sides or draws in.

In an initial condition, handle ratchet wheel 11 is set in mounting seat 10, when thumb wheel 30 goes to a certain position to be fixed, if Stop operating, at least limiting section 21 in STATEMENT OF FEDERALLY SPONSORED 20 is resisted against on hook tooth 111.Limit on handle ratchet wheel 11 and STATEMENT OF FEDERALLY SPONSORED 20 Position portion 21 locks thumb wheel 30, the position of the fixed mounting 10 of rackwork 50.Hook tooth 111 limits the rotation energy of STATEMENT OF FEDERALLY SPONSORED 20 Power, the relative position between mounting seat 10 and headband main body 60 is stablized, and the size for making headband meets the requirement worn, it is ensured that head The stability of band and the comfortableness worn.

The regulation process of the headband adjusting means 81 approximately as：Trackwheel 30 supports the disengaging portion 31 on thumb wheel 30 It is connected on limiting section 21, disengaging portion 31 can oppress limiting section 21 and be allowed to Bending Deformation, and then limiting section 21 is released and hook tooth Locking between 111.The thumb wheel 30 continues to drive STATEMENT OF FEDERALLY SPONSORED 20 to rotate, meanwhile, the gear 23 in STATEMENT OF FEDERALLY SPONSORED 20 is with carry-over bar Mechanism 50 launches or draws in, moves mounting seat 10 and adjusts and the phase between headband main body 60 with the motion of rackwork 50 To position, unlock and easy to adjust.Because hook tooth 111 is distributed clockwise or counterclockwise, link when thumb wheel 30 drives Part 20 to other direction rotate when, STATEMENT OF FEDERALLY SPONSORED 20 drives limiting section 21 to against hook tooth 111 and slide, and gear 23 drives rackwork 50 draw in or launch, and adjust the accommodating cavity between mounting seat 10 and headband main body 60.Thumb wheel 30 drives STATEMENT OF FEDERALLY SPONSORED 20 to turn to both sides It is dynamic to correspond to banding and the release for adjusting headband respectively, reach headband comfortable wearing and the effect suitable for different user.Due to interior The monodirectional locking effect of ratchet 11, can realize quickly drawing or launching one of which effect in when mounting seat 10 is pressed.

As shown in Figure 6 and Figure 7, in a specific embodiment of the present utility model, limiting section 21 includes the He of elastic portion 211 The sticking department 212 being arranged in elastic portion 211, and sticking department 212 is along the axially projecting of STATEMENT OF FEDERALLY SPONSORED 20.Sticking department 212 is resisted against On handle ratchet wheel 11, elastic portion 211 is abutted and sticking department 212 is disengaged with handle ratchet wheel 11.

Further, elastic portion 211 is set on limiting section 21.The elastic portion 211 is in cantilever beam-like, and elastic portion 211 have elastically-deformable characteristic.The sticking department 212 is located in elastic portion 211 along the axially projecting of STATEMENT OF FEDERALLY SPONSORED 20, Ke Yiti The scope of activities of high limiting section 21, makes the layout of STATEMENT OF FEDERALLY SPONSORED 20 more flexible.Sticking department 212 can protrude the residing side of STATEMENT OF FEDERALLY SPONSORED 20 Face, affects little to the rotation of STATEMENT OF FEDERALLY SPONSORED 20, and sticking department 212 is arranged to the shape matched with hook tooth 111.By sticking department 212 with the mutually locking of handle ratchet wheel 11, be easy to the cooperation with handle ratchet wheel 11, STATEMENT OF FEDERALLY SPONSORED 20 to rotate flexibly.

Concave face 13 is offered in mounting seat 10 and is opened to the avoidance hole 12 of concave face 13, concave face 13 is self installation The outer surface of seat 10 is recessed to be formed downwards, and the outer peripheral face position of thumb wheel 30 is located at outside concave face 13.Concave face 13 is set and is kept away Hole 12 is allowed to improve the contact area of thumb wheel 30 and finger, meanwhile, the outside dimension of thumb wheel 30 can be reduced, and then reduce peace The size of dress seat, the surface portion for making the protrusion mounting seat of thumb wheel 30 reduces, and aesthetic property is good.

In a specific embodiment of the present utility model, the radially protruding along STATEMENT OF FEDERALLY SPONSORED 20 in elastic portion 211 is provided with Boss portion 213, boss portion 213 is provided with slope with the intersection of elastic portion 211.Wherein, sticking department 212 can be with boss portion 213 are arranged side by side, it is also possible to be crisscross arranged, and the protrusion of disengaging portion 31 is arranged on the internal perisporium of thumb wheel 30.Trackwheel 30 makes Disengaging portion 31 is abutted to boss portion 213, and sticking department 212 is disengaged with handle ratchet wheel 11.

The disengaging portion 31 can be set to arc surfaced.With the rotation of thumb wheel 30, the surface in disengaging portion 31 can be fitted in bullet Property is slid against to boss portion 213 in portion 211, also can vacantly be turned at slope and be slid against to boss portion along ramp 213, the height of boss portion 213 is more than the lock height between sticking department 212 and hook tooth 111.The disengaging portion 31 abuts to In boss portion 213, the deformation of elastic portion 211 make boss portion 213 towards STATEMENT OF FEDERALLY SPONSORED 20 axis direction shrink, sticking department 212 with it is interior Ratchet 11 departs from, and thumb wheel 30 can drive STATEMENT OF FEDERALLY SPONSORED 20 to rotate.Limiting section 21 is abutted by disengaging portion 31 to be allowed to form elastic deformation, Kinetic stability is good, good reliability.

As shown in figure 5, in a specific embodiment of the present utility model, at least one linkage groove is offered on thumb wheel 30 32, STATEMENT OF FEDERALLY SPONSORED 20 is provided with the rotating boss 22 corresponding with linkage groove 32, and rotating boss 22 is arranged in linkage groove 32.Rotate During thumb wheel 30, the cell wall of the groove 32 that links is resisted against on rotating boss 22, makes thumb wheel 30 drive STATEMENT OF FEDERALLY SPONSORED 20 to rotate, and rotatory force is big, Connection is firm.By cooperating for link groove 32 and rotating boss 22, determine both installation sites, it is easy to assembly, one Cause property is good.

Be provided with rotation space 33 between rotating boss 22 and linkage groove 32, thumb wheel 30 along rotation space 33 rotates when, it is de- Limiting section 21 is abutted from portion 31.Wherein, the central angle of rotation space 33 slides into boss portion equal to disengaging portion 31 along elastic portion 211 The central angle of radian corresponding to 213.

Further, width of the width of the linkage groove 32 more than rotating boss 22.When disengaging portion 31 needs unblock limit During the portion 21 of position, thumb wheel 30 is along the side wall that rotation space 33 rotates up to abut to rotating boss 22.Simultaneously disengaging portion 31 rotates And abut to boss portion 213, make limiting section 21 release the locking to hook tooth 111, thumb wheel 30 and STATEMENT OF FEDERALLY SPONSORED 20 can be rotated continuously. The setting of rotation space 33 can provide disengaging portion 31 when limiting section 21 is unlocked, and disengaging portion 31 is slid into needed for boss portion 213 Space.It is arranged in the space that rotating boss 22 cooperates with linkage groove 32, compact conformation is ingenious.Join when thumb wheel 30 drives Moving part 20 to opposite side rotate when, the straight wall of the groove 32 that links connects and is fitted on rotating boss 22, drives STATEMENT OF FEDERALLY SPONSORED 20 to rotate.

As shown in fig. 7, in a specific embodiment of the present utility model, the STATEMENT OF FEDERALLY SPONSORED 20 is provided with collecting limiting section 21 Fluting 24.The fluting 24 provides the space that limiting section 21 is abutted and is subjected to displacement.Further, the fluting 24 is along connection The radial depressions of the outer surface of moving part 20, the elastic portion 211 in limiting section 21 is protruded above from the side wall of fluting 24.Elastic portion 211 bearing of trend can extend along the tangential direction of STATEMENT OF FEDERALLY SPONSORED 20, it is also possible to be inclined on the side wall of fluting 24.It is described Boss portion 213 is protruded towards the outer surface of STATEMENT OF FEDERALLY SPONSORED 20, displacement is provided between the bottom surface of elastic portion 211 and fluting 24 empty Between.Wherein, extreme displacement amount of the height of displacement space more than boss portion 213.The setting of the fluting 24 sets limiting section 21 Put in the inside of STATEMENT OF FEDERALLY SPONSORED 20, reduce the overall dimensions of STATEMENT OF FEDERALLY SPONSORED 20, make the size of headband can be with optimization design.

As shown in Fig. 2 in a specific embodiment of the present utility model, installation axle 14 is provided with mounting seat 10, pacify The axis of dress axle 14 is plugged in installation axle 14 with the dead in line of handle ratchet wheel 11, STATEMENT OF FEDERALLY SPONSORED 20.Installation axle 14 and handle ratchet wheel 11 Coaxially, STATEMENT OF FEDERALLY SPONSORED 20 is arranged in installation axle 14, and the locking of limiting section 21 is resisted against on handle ratchet wheel 11.When STATEMENT OF FEDERALLY SPONSORED 20 is rotated, limit Position portion 21 can be resisted against one by one on hook tooth 111, stability of rotation.

In a specific embodiment of the present utility model, damping piece is installed between mounting seat 10 and STATEMENT OF FEDERALLY SPONSORED 20 40.Cover plate 70 is provided with mounting seat 10, the gear 23 in STATEMENT OF FEDERALLY SPONSORED 20 is connected on cover plate 70 through rackwork 50.Damping Part 40 is arranged between gear 23 and cover plate 70.Damping piece 40 can adopt flexible glue material, such as rubber ring flexible member.Resistance is set Damping member 40 can eliminate the gap of gear 23 and generation in the engagement process of rackwork 50, stability of rotation, with corresponding friction Resistance, lifts the comfortable feel degree of the rotating operation of thumb wheel 30.

In a specific embodiment of the present utility model, rackwork 50 includes the first tooth bar band engaged with gear 23 51 and second tooth bar band 52, wherein the first tooth bar band 51 and second tooth bar band 52 on be respectively equipped with the first engaging tooth 512 and second Engaging tooth 522.The STATEMENT OF FEDERALLY SPONSORED 20 is rotated and drives the first tooth bar band 51 and the second tooth bar band 52 to launch to both sides or draw in.

The gear 23 is engaged on the first engaging tooth 512 and the second engaging tooth 522 simultaneously, when STATEMENT OF FEDERALLY SPONSORED 20 is rotated, tooth Wheel 23 rotates and drives the first tooth bar band 51 and the second tooth bar band 52 to draw in both sides or launch.Due to the first tooth bar band 51 and the Two tooth bars are with 52 two ends for being articulated in headband main body 60 and immovable, and mounting seat 10 is in the first tooth bar band 51 and the second tooth bar band During 52 gathering, towards the movement of the direction of lens body 80, accommodating cavity is reduced, adjust the wear comfort of headband and user.Mounting seat 10 when the first tooth bar band 51 and the second tooth bar launch, and mounting seat 10 is moved away from the direction of lens body 80, increases accommodating cavity, is used Family can remove headband from head, wear with it is easy to adjust.

As shown in Figures 2 and 3, in a specific embodiment of the present utility model, the first tooth bar band 51 and second tooth bar Band 52 is respectively equipped with the first elongated slot 511 and the second elongated slot 521, and the first engaging tooth 512 is arranged in the first elongated slot 511, and second nibbles Close tooth 522 to be arranged in the second elongated slot 521, gear 23 is engaged respectively simultaneously with the first engaging tooth 512 and the second engaging tooth 522.

The first elongated slot 511 and the second elongated slot 521 are respectively equipped with the first tooth bar band 51 and the second tooth bar band 52, can be made First tooth bar band 51 is bonded to each other with the second tooth bar band 52.Gear 23 is through the first elongated slot 511 and the second elongated slot 521 and same time-division It is not engaged to the first engaging tooth 512 and the second engaging tooth 522, reduces the first tooth bar band 51 and the second tooth bar with 52 installation sky Between, the compactedness installed is improved, reduce the overall dimensions of rackwork 50, in being conveniently applied to the little environment of installing space.

In a specific embodiment of the present utility model, the first engaging tooth 512 is arranged in a length of the first elongated slot 511 On the wall of side, the second engaging tooth 522 is arranged on a long madial wall of the second elongated slot 521, the first engaging tooth 512 and the second engaging tooth About 522 are oppositely arranged and are cooperatively engaged with gear 23.

In a specific embodiment, the madial wall only in the first elongated slot 511 and the second elongated slot 521 arranges first and engages The engaging tooth 522 of tooth 512 and second, another madial wall relative with the first engaging tooth 512 and the second engaging tooth 522 is set to directly Side.Wherein, when another madial wall and gear 23 are tangent, the good stability of gear 23, amplitude of fluctuation is little.Only arrange the first of side The engaging tooth of engaging tooth 512 and second is oppositely arranged about 522 and is cooperatively engaged with gear 23, can improve the first tooth bar band 51 and the Two tooth bars are with 52 synchronism, and displacement is identical, make the uniform force of gear 23, good operation stability.

Using the side of the first tooth bar band 51 and the second tooth bar band 52 and the cooperation rotation simultaneously of gear 23 of upper and lower two-way setting Formula, when thumb wheel 30 is rotated, can by gear 23 thereon drive the first tooth bar with 51 and second tooth bar with 52 toward contrary Mode is rotated, and the size of accommodating cavity on headband is adjusted, so as to realize the elastic function of headband.

Mounting seat 10 is provided with cover plate 70, and cover plate 70 is located at the relative position of handle ratchet wheel 11, on cover plate 70 gathering sill is provided with 71, rackwork 50 is limited in gathering sill 71.The axis of guide 72 is provided with cover plate 70, damping piece 40 is arranged on the axis of guide 72 On.The gear 23 is inserted in the first elongated slot 511 and the second elongated slot 521, and the axis of guide 72 can be inserted into along the axis of gear 23 In gear 23, and damping piece 40 is set to be resisted against on gear 23.Further, damping piece 40 is inserted in the axis hole of gear 23, resistance Damping member 40 is resisted against on the madial wall of gear.The gathering sill 71 is arranged on the both sides of the axis of guide 72, the first tooth bar band 51 and the Two tooth bars are limited in gathering sill 71 with 52 two lateral walls, and gear 23 drives the first tooth bar band 51 and the second tooth bar band when rotating 52 launch to both sides or draw in along the axis of guide 72 and gathering sill 71, and guidance quality is good, and moving direction is stable.

As shown in figure 9, a kind of video eyeglasses according to an exemplary embodiment, including lens body 80 and with it is described The headband main body 60 of the connection of lens body 80, is provided with video eyeglasses main body, on the video eyeglasses in the lens body 80 Headband adjusting means 81 is provided with, the headband adjusting means 81 is installed in the headband main body 60.

After the lens body 80 is installed in the headband main body 60, i.e., described lens body 80 is arranged on the headband The front end of main body 60, the headband adjusting means 81 is arranged on rear end.When user uses, the banding of headband main body 60 is overhead On, rotary head band adjusting means 81 is allowed to drive rackwork 50 to launch to both sides or draw in, and then changes the movement of mounting seat 10 The size for becoming accommodating cavity is allowed to be adapted to active user, and comfortable wearing is easy to adjust.

Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements done etc. should be included in the utility model protection Within the scope of.

Claims

1. a kind of headband adjusting means for video eyeglasses, it is characterised in that include：

Mounting seat, is provided with handle ratchet wheel；

STATEMENT OF FEDERALLY SPONSORED, in the mounting seat, the STATEMENT OF FEDERALLY SPONSORED is provided with gear and the resilient at least limiting section of tool, described At least a limiting section support is leaned against on the hook tooth of the handle ratchet wheel；

Thumb wheel, is connected and drives the STATEMENT OF FEDERALLY SPONSORED to rotate with the STATEMENT OF FEDERALLY SPONSORED, and the thumb wheel is provided with relative with the limiting section The disengaging portion answered；Wherein described thumb wheel to side rotate when, the disengaging portion abuts the limiting section and takes off the limiting section From the locking to the handle ratchet wheel；The thumb wheel to opposite side rotate when, the limiting section againsts the handle ratchet wheel and rotates；And

Rackwork, engages with the gear, wherein the STATEMENT OF FEDERALLY SPONSORED rotational band carry-over bar mechanism launches to both sides or draws in.

2. the headband adjusting means for video eyeglasses according to claim 1, it is characterised in that the limiting section includes Elastic portion and the sticking department being arranged in the elastic portion, and the sticking department is along the axially projecting of the STATEMENT OF FEDERALLY SPONSORED；The lock Determine portion to be resisted against on the handle ratchet wheel, the elastic portion is abutted and makes the sticking department disengage with the handle ratchet wheel.

3. the headband adjusting means for video eyeglasses according to claim 2, it is characterised in that edge in the elastic portion Radially protruding is provided with boss portion, and disengaging portion protrusion is arranged on the internal perisporium of the thumb wheel；Rotating the thumb wheel makes institute State disengaging portion to abut to the boss portion, the sticking department is disengaged with the handle ratchet wheel.

4. the headband adjusting means for video eyeglasses according to claim 3, it is characterised in that open up on the thumb wheel There is linkage groove, the STATEMENT OF FEDERALLY SPONSORED is provided with rotating boss, and the rotating boss is arranged in the linkage groove.

5. the headband adjusting means for video eyeglasses according to claim 4, it is characterised in that the rotating boss with Be provided with rotation space between the linkage groove, the thumb wheel along rotation space rotate when, the disengaging portion abuts the limiting section.

6. the headband adjusting means for video eyeglasses according to claim 5, it is characterised in that the rotation space Central angle is equal to the central angle that disengaging portion slides into radian corresponding to boss portion along elastic portion.

7. the headband adjusting means for video eyeglasses according to claim 1, it is characterised in that the STATEMENT OF FEDERALLY SPONSORED is provided with The fluting of the limiting section is housed, the fluting provides the space that the limiting section is abutted and is subjected to displacement.

8. the headband adjusting means for video eyeglasses according to claim 1, it is characterised in that the rackwork bag The the first tooth bar band and the second tooth bar band engaged with the gear is included, wherein on the first tooth bar band and the second tooth bar band respectively It is provided with the first engaging tooth and the second engaging tooth；The STATEMENT OF FEDERALLY SPONSORED is rotated and drives the first tooth bar band and the second tooth bar band to both sides Launch or draw in.

9. the headband adjusting means for video eyeglasses according to claim 8, it is characterised in that the first tooth bar band The first elongated slot and the second elongated slot are respectively equipped with the second tooth bar band, first engaging tooth is arranged in the first elongated slot, and second nibbles Close tooth to be arranged in the second elongated slot, engage respectively when the gear is with the first engaging tooth and the second drive side of tooth.

10. the headband adjusting means for video eyeglasses according to claim 9, it is characterised in that first engagement Tooth is arranged on a long madial wall of first elongated slot, and second engaging tooth is arranged on a length inner side of second elongated slot On wall, first engaging tooth and the second engaging tooth are oppositely arranged are cooperatively engaged with gear up and down.

The 11. headband adjusting meanss for video eyeglasses according to claim 1, it is characterised in that the mounting seat sets There is cover plate, the cover plate is provided with gathering sill, and the rackwork is limited in the gathering sill.

The 12. headband adjusting meanss for video eyeglasses according to claim 11, it is characterised in that the mounting seat with Damping piece is installed between the STATEMENT OF FEDERALLY SPONSORED.

The 13. headband adjusting meanss for video eyeglasses according to claim 12, it is characterised in that set on the cover plate There is the axis of guide, the axis of guide is conllinear with the gear, and the damping piece is arranged on the axis of guide and against to gear.

14. a kind of headbands for video eyeglasses, it is characterised in that include：

Headband main body；

Headband adjusting means as described in any one of claim 1 to 13, the two ends of the rackwork are articulated in the headband In main body, the headband adjusting means crowds around to form accommodating cavity with headband main body.

15. headbands for video eyeglasses according to claim 14, it is characterised in that the headband main body includes installing Portion and the connecting portion for being connected to installation portion two ends, the rackwork is articulated on two connecting portions.

A kind of 16. video eyeglasses, including lens body and the headband main body that is connected with the lens body, it is characterised in that institute State the headband adjusting means that video eyeglasses also include as described in any one in claim 1-13, the headband adjusting means dress In the headband main body.