CN208795941U - One kind wearing display equipment and its focal length adjustment device - Google Patents
One kind wearing display equipment and its focal length adjustment device Download PDFInfo
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- CN208795941U CN208795941U CN201821752712.9U CN201821752712U CN208795941U CN 208795941 U CN208795941 U CN 208795941U CN 201821752712 U CN201821752712 U CN 201821752712U CN 208795941 U CN208795941 U CN 208795941U
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Abstract
The utility model discloses one kind to wear display equipment and its focal length adjustment device, including first axle, the second axis, the first transmission shaft and second driving shaft.Wherein, the first transmission shaft and second driving shaft are respectively used to be threadedly coupled with the lens barrel of left and right side；First axle drives the first transmission shaft to rotate when rotating, and then display screen opposite with the lens barrel that the first transmission shaft is threadedly coupled is moved forward and backward to focus；Second driving shaft rotation is driven when second axis rotates, and then display screen opposite with the lens barrel that second driving shaft is threadedly coupled is moved forward and backward to focus；And first axle can be relatively moved with the second axis to connect and then rotate synchronously or separate and then individually rotate.The focal length adjustment device can be focused according to consumer's hypometropia degree, and can be different according to user's left and right eye myopic degree, adjust separately left and right focal length, left and right focal length can also be adjusted simultaneously, it is convenient and efficient, and conducted and moved by screw thread, it is high-efficient, space is saved, it is easy to adjust.
Description
Technical field
The utility model relates to wearable device technical fields, wear display equipment more specifically to one kind, also relate to
And a kind of focal length adjustment device for wearing display equipment.
Background technique
Wear display equipment by eyes send optical signalling, may be implemented virtual reality (VR), augmented reality (AR),
The different-effects such as mixed reality (MR).Currently on the market wear display device product, cannot much focus, thus myopia
Consumer or long sight consumer need wearing spectacles to use, very inconvenient, and eyeglass can rub helmet mirror
Piece is worn uncomfortable.The product for the adjustable focal length having cannot be burnt according to user's left and right eye myopic degree different adjustment
Away from, thus user's eyes are uncomfortable or picture does not see Chu, seriously affect Product Experience.
In conclusion how to efficiently solve the wearing of near-sighted or presbyopic user wears display equipment inconvenience, comfort difference etc.
Problem is current those skilled in the art's problem to be solved.
Utility model content
In view of this, first of the utility model is designed to provide a kind of focus adjustment dress for wearing display equipment
Set, the design of the structure of the focal length adjustment device can efficiently solve myopia or presbyopic user wearing wear display equipment it is inconvenient,
The problem of comfort difference, second purpose of the utility model, which is to provide, a kind of wears display including above-mentioned focal length adjustment device
Equipment.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of focal length adjustment device for wearing display equipment, including first axle, the second axis, be respectively used to and left and right side
Lens barrel the first transmission shaft and second driving shaft that are threadedly coupled, the first axle drives first transmission shaft to rotate when rotating
To adjust the distance of corresponding lens barrel to display screen, second axis drives the second driving shaft rotation to adjust correspondence when rotating
Lens barrel to the display screen distance, and the first axle can be relatively moved with second axis with connect so that rotate synchronously
Or it separates and then individually rotates.
Preferably, in above-mentioned focal length adjustment device, the first axle is cylindrical in shape, and second axle sleeve is set to the first axle
It is interior and can be moved along the first axle.
Preferably, in above-mentioned focal length adjustment device, return springs are provided between the first axle and second axis,
Elastic deformation occurs when the first axle is mobile relative to second axis.
Preferably, in above-mentioned focal length adjustment device, the outer end of the first axle is fixedly connected with the first idler wheel, and described second
The outer end of axis is fixedly connected with the second idler wheel.
Preferably, in above-mentioned focal length adjustment device, first idler wheel is set to ipsilateral and described with second idler wheel
It is respectively arranged with first flank of tooth and second flank of tooth matched on first idler wheel and second idler wheel, so that first idler wheel
First idler wheel described in moving axially relatively with second idler wheel to first flank of tooth when being meshed with second flank of tooth
It is rotated synchronously with second idler wheel.
Preferably, in above-mentioned focal length adjustment device, mounting hole is offered on the outer end face of first idler wheel, described second
The inner end of idler wheel is inserted into the mounting hole and can be moved along the mounting hole, and has on the inner face of second idler wheel
The bottom surface of second flank of tooth, the mounting hole has first flank of tooth.
It preferably, further include for the first axle and second axis to be locked in company in above-mentioned focal length adjustment device
Connect the locking component of state.
Preferably, in above-mentioned focal length adjustment device, the locking component includes buckling and for pushing the buckle to reset
Unlock elastic component, the inner end of second axis has clamp, when second axis is mobile relative to the first axle described in pressing
Locking component is so that the clamp is inserted into the buckle internal locking, and the unlock elastic component when second axis presses again
The buckle is pushed to discharge the clamp.
Preferably, in above-mentioned focal length adjustment device, first bevel gear, first transmission shaft are fixed in the first axle
End be fixedly connected with the third hand tap gear engaged with the first bevel gear；It slides axially and is equipped on second axis
Second bevel gear, the end of the second driving shaft are fixedly connected with the 4th bevel gear engaged with the second bevel gear.
Focal length adjustment device provided by the utility model includes first axle, the second axis, the first transmission shaft and second driving shaft.
Wherein, the first transmission shaft and second driving shaft are respectively used to be threadedly coupled with the lens barrel of left and right side；Band when first axle rotates
Dynamic first transmission shaft rotation, and then display screen opposite with the lens barrel that the first transmission shaft is threadedly coupled is moved forward and backward to focus；
Second driving shaft rotation is driven when second axis rotates, and then is moved before and after display screen opposite with the lens barrel that second driving shaft is threadedly coupled
It moves to focus；And first axle can be relatively moved with the second axis to connect and then rotate synchronously or separate and then individually turn
It is dynamic.
It can according to the myopia of consumer's right and left eyes or long sight degree using focal length adjustment device provided by the utility model
Individually rotation first axle, first axle drives the rotation of the first transmission shaft, and then drives the lens barrel phase being threadedly coupled with the first transmission shaft
Display screen is moved forward and backward, to focus.Correspondingly, the second axis can also be rotated individually, the second axis drives the second transmission
Axis rotation, and then display screen opposite with the lens barrel that second driving shaft is threadedly coupled is driven to be moved forward and backward, to focus.Or
The two can also be connect with the relative movement of the second axis by first axle, so that one rotated in the two can be realized the two
Synchronous rotation, to adjust left and right focal length simultaneously.To sum up, which can be according to consumer's hypometropia degree tune
Focal length is saved, and can be different according to user's left and right eye myopic degree, adjusts separately left and right focal length, a left side can also be adjusted simultaneously
Right focal length, it is convenient and efficient, and conducted and moved by screw thread, it is high-efficient, space is saved, it is easy to adjust.
In order to reach above-mentioned second purpose, the utility model additionally provides one kind and wears display equipment, this wears display
Equipment includes any of the above-described kind of focal length adjustment device.Since above-mentioned focal length adjustment device has above-mentioned technique effect, having should
Wearing for focal length adjustment device shows that equipment should also have corresponding technical effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the configuration schematic diagram of the focal length adjustment device of one specific embodiment of the utility model；
Fig. 2 is the schematic cross-sectional view of focal length adjustment device；
Fig. 3 is the structural schematic diagram of the first idler wheel；
Fig. 4 is the structural schematic diagram of the second idler wheel；
Fig. 5 is a kind of configuration schematic diagram of locking component；
Fig. 6 is the schematic diagram of locking component state when the second axis does not press；
Fig. 7 is locking component by the schematic diagram of the second axis lockup state；
Fig. 8 is the schematic diagram of rotary buckle under locking component lockup state；
Fig. 9 is the cross section structure schematic diagram of Fig. 8；
Figure 10 is the schematic diagram on inner wall inclined-plane.
It is marked in attached drawing as follows:
First axle 1, the second axis 2, the first transmission shaft 3, second driving shaft 4, the first idler wheel 5, the second idler wheel 6, Flexible Reset
Part 7, locking component 8, first bevel gear 9, second bevel gear 10, third hand tap gear 11, the 4th bevel gear 12, guiding axis 13, mirror
Cylinder 14, display screen 15, front housing 16, rear shell 17, clamp 21, first flank of tooth 51, second flank of tooth 61, step surface 62, buckle 81, unlock
Elastic component 82, rotary buckle 83, inner wall inclined-plane 84 rotate clamp 85.
Specific embodiment
The utility model embodiment discloses a kind of focal length adjustment device for wearing display equipment, conveniently to adjust
Left and right focal length, and left and right focal length can be adjusted respectively according to consumer's hypometropia degree.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 2 is please referred to, Fig. 1 is that the detonation configuration of the focal length adjustment device of one specific embodiment of the utility model shows
It is intended to；Fig. 2 is the schematic cross-sectional view of focal length adjustment device.
In a specific embodiment, focal length adjustment device provided by the utility model includes first axle 1, the second axis 2,
One transmission shaft 3 and second driving shaft 4.
Wherein, the first transmission shaft 3 and second driving shaft 4 are respectively used to be threadedly coupled with the lens barrel 14 of left and right side.?
It is exactly that the first transmission shaft 3 is threadedly coupled with the lens barrel 14 in left side, second driving shaft 4 is threadedly coupled with the lens barrel 14 on right side, or
First transmission shaft 3 is threadedly coupled with the lens barrel 14 on right side, and second driving shaft 4 is threadedly coupled with the lens barrel 14 in left side.Show in Fig. 1-2
Out it is that the first transmission shaft 3 is threadedly coupled with the lens barrel 14 in left side, that is, the first transmission shaft 3 is left drive shaft, then with first
The first axle 1 that transmission shaft 3 connects is left axle；Second driving shaft 4 is threadedly coupled with the lens barrel 14 on right side, that is, second driving shaft
4 be right transmission shaft, then the second axis 2 connecting with second driving shaft 4 is right axle.It according to actual needs, can also be by Fig. 1-2
The corresponding relationship of one transmission shaft 3 and second driving shaft 4 and left and right lens barrel 14 exchanges.
First axle 1 drives the first transmission shaft 3 to rotate when rotating, since the first transmission shaft 3 connects with corresponding 14 screw thread of lens barrel
The lens barrel 14 for connecing, and then being attached thereto when the rotation of the first transmission shaft 3 can be moved forward and backward along the opposite display screen 15 of the first transmission shaft 3
To focus.Correspondingly, driving second driving shaft 4 to rotate when the second axis 2 rotates, and then it is threadedly coupled with second driving shaft 4
Lens barrel 14 with respect to display screen 15 be moved forward and backward to focus.Namely the first transmission shaft 3 is with second driving shaft 4 respectively along a left side
The range direction of side and right side lens barrel 14 to display screen 15 is arranged, and cuts the two and all has external screw thread.In order to improve lens barrel 14 along biography
The mobile stability of moving axis, parallel with the first transmission shaft 3 and second driving shaft 4 is respectively set guiding axis 13, then each lens barrel 14
On offer and wear more through-holes for guiding axis 13, so that guiding axis 13 can rise when lens barrel 14 is moved forward and backward with respect to display screen 15
To effective guiding and supporting role, so that the movement of lens barrel 14 is more steady.Preferably, the first transmission shaft 3 and second driving shaft 4
It is respectively used to be threadedly coupled with corresponding 14 top of lens barrel, is respectively arranged with guiding axis 13 with what the bottom end of each lens barrel 14 cooperated,
And then its moving direction can be supported and limited to lens barrel 14 from upper and lower both direction, keep the movement of lens barrel 14 more flat
Surely.
First axle 1 can be relatively moved with the second axis 2 to connect and then rotate synchronously or separate and then individually rotate.Also
It is first axle 1 and the second axis 2 there are two types of working condition, one kind is connection synchronous rotation state, then passes through one in rotation the two
A adjusting while left and right focal length can be realized.Both the state that another kind individually rotates for separation, then can rotate respectively, into
And left and right focal length is adjusted respectively, to meet the needs of user's right and left eyes different focal length.2 two kinds of first axle 1 and the second axis
The switching of working condition passes through first axle 1 and the relative motion of the second axis 2 is realized, as shown in figs. 1-2, first axle 1 and second
The free state of axis 2 is discrete state, then first axle 1 and the relative movement of the second axis 2 make the two be converted to connection status.Or root
According to needs, connection status can also be set by the free state of first axle 1 and the second axis 2, then first axle 1 and 2 phase of the second axis
The two is set to be converted to discrete state to mobile.
It should be noted that the relative movement of first axle 1 and the second axis 2, it both can be fixed for first axle 1, second
Axis 2 is mobile relative to first axle 1, is also possible to that the second axis 2 is fixed, and first axle 1 is moved with respect to the second axis 2 or the two is equal
It moves and generates relative displacement.The independent adjusting and simultaneously of left and right focal length is realized by the relative movement of first axle 1 and the second axis 2
The conversion of adjusting, it is not necessary that drive mechanism is separately provided, the structure of whole focal length regulating device is more simple and compact.
It can according to the myopia of consumer's right and left eyes or long sight degree using focal length adjustment device provided by the utility model
Individually rotation first axle 1, first axle 1 drives the rotation of the first transmission shaft 3, and then drives the lens barrel being threadedly coupled with the first transmission shaft
14 opposite display screens 15 are moved forward and backward, to adjust the side focal length.Correspondingly, the second axis 2 can also be individually rotated, the second axis 2
It drives second driving shaft 4 to rotate, and then the lens barrel 14 being threadedly coupled with second driving shaft is driven to be moved forward and backward with respect to display screen 15,
To adjust the side focal length.Or can also be connect the two with the relative movement of the second axis 2 by first axle 1, to rotate
One in the two can be realized the synchronous rotation of the two, to adjust left and right focal length simultaneously.To sum up, which can be with
It is focused, and can be slight different according to user's left and right eye myopia, is adjusted separately according to consumer's hypometropia degree
Left and right focal length can also adjust left and right focal length simultaneously, convenient and efficient, and conducted and moved by screw thread, high-efficient, save space,
It is easy to adjust.
Preferably, first axle 1 is arranged perpendicular to second driving shaft 4, and the second axis 2 is arranged perpendicular to second driving shaft 4, for just
In first axle 1 and the second axis 2 connection to rotate synchronously, first axle 1 and the second axis 2 are coaxially disposed, and structure is more compact.When
So, first axle 1 and the second axis 2 are also not limited to above-mentioned set-up mode, are accordingly arranged according to its specific structure.
Further, first axle 1 is cylindrical in shape, and the second axis 2 is sheathed in first axle 1 and can move along first axle 1.Also
It is that first axle 1 and the second axis 2 are set with, saves space.By movement of second axis 2 in first axle 1, so that the two can either divide
From independent rotation, it can also connect while rotate.It should be noted that the separation of first axle 1 and the second axis 2 is not limited to
Two axis 2 refer to the connection for releasing first axle 1 and the second axis 2 by deviating from first axle 1, and the two is individually rotated i.e.
It can.
Further, return springs 7 are provided between first axle 1 and the second axis 2, in first axle 1 opposite second
When mobile elastic deformation occurs for axis 2.Namely when needing to switch the state of first axle 1 and the second axis 2, external force makes first
Axis 1 and the second axis 2 relatively move, then relative movement both so that return springs 7 therebetween deformation occurs, to work as external force
When release, first axle 1 and the second axis 2 can restore to free state under the action of return springs 7.With first axle 1 and
The free state of two axis 2 is to illustrate for discrete state, that is, separate with the second axis 2 can be single for first axle 1 when external force does not act on
Solely rotation relatively moves first axle 1 and the second axis 2 by external force and makes elastic component deformation, in Fig. 1-2, push away to the right
Dynamic second axis 2 connect first axle 1 to rotate synchronously with the second axis 2, and compresses return springs 7, thus when external force release,
Return springs 7 push the second axis 2 to reset, and first axle 1 and the second axis 2 reply discrete state.As needed, it can also be not provided with
Return springs 7, then can be by restoring the free state of first axle 1 and the second axis 2 when resetting manually.
Specifically, return springs 7 can be spring, it as needed can also be using other conventional tools in the prior art
The material or structural member of flexible restoring force.
The first idler wheel 5, the second axis 2 are fixedly connected with for the ease of rotation first axle 1 and the second axis 2, the outer end of first axle 1
Outer end be fixedly connected with the second idler wheel 6.And then user can rotate the first idler wheel 5 manually with drive first axle 1 rotate synchronously,
The second idler wheel 6 of rotation is manually to drive the second axis 2 to rotate synchronously.Preferably, on the periphery of the first idler wheel 5 and the second idler wheel 6
With reticulate pattern, to increase frictional force when user's operation, convenient for rotation.First idler wheel 5 is preferably sheathed on outside first axle 1, the
Second wheel 6 is preferably sheathed on outside the second axis 2.First axle 1 and the first idler wheel 5 and the second axis 2 and the second idler wheel 6 can use
Cooperation etc. of being full of is fixedly connected with mode, or as depicted in figs. 1 and 2, and the end of the second axis 2 has a connecting pin radially, and second
Have on idler wheel 6 and cooperate slot with the connecting pin, so that the second idler wheel 6 is able to drive the second axis 2 synchronous rotation when rotating.
Further, the first idler wheel 5 is set to ipsilateral with the second idler wheel 6, please refers to Fig. 3 and Fig. 4, and Fig. 3 is the first idler wheel 5
Structural schematic diagram；Fig. 4 is the structural schematic diagram of the second idler wheel 6.It is ipsilateral by the way that the first idler wheel 5 to be set to the second idler wheel 6,
It is as shown in the figure to be arranged at left side, it is convenient for the user to operate.It is sheathed in first axle 1 and the first idler wheel 5 and in the second axis 2
Second wheel 6 be set to it is ipsilateral in the case where, then the first idler wheel 5 is sheathed on outside first axle 1, and the second idler wheel 6 is sheathed on the second axis 2
Outside, and the second idler wheel 6 is located at other than the second idler wheel 6.
Further, first flank of tooth 51 and the second tooth matched is respectively arranged on the first idler wheel 5 and the second idler wheel 6
Face 61, so that the first idler wheel 5 is moved axially relatively to first flank of tooth 51 with the second idler wheel 6 when being meshed with second flank of tooth 61
One idler wheel 5 and the second idler wheel 6 rotate synchronously.Specifically, having first flank of tooth 51 on the first idler wheel 5, have the on the second idler wheel 6
Two flank of tooth 61, the first idler wheel 5 and the second idler wheel 6 are axially moveable to first flank of tooth 51 when engaging with second flank of tooth 61, that is,
First axle 1 is connect with the second axis 2 with the engagement of second flank of tooth 61 by first flank of tooth 51, then the first idler wheel 5 and the second idler wheel 6
Rotate synchronously first axle 1 and the second axis 2 while synchronous rotation.And when the first idler wheel 5 and the second idler wheel 6 be axially moveable to
When first flank of tooth 51 is separated with second flank of tooth 61, that is, first axle 1 is separated with the second axis 2, then the first idler wheel 5 and the second idler wheel
6 individually rotations, and then first axle 1 and the second individually rotation of axis 2.It is real in such a way that first flank of tooth 51 is engaged with second flank of tooth 61
The synchronous rotation of existing first axle 1 and the second axis 2, it is simple and reliable for structure, it can make full use of space.It can also use as needed
Other connection types realize the synchronous rotation of first axle 1 and the second axis 2, as first axle 1 is moved to the two card with respect to the second axis 2
It connects, then first axle 1 and the second axis 2 rotate synchronously, and the clamping for releasing the two then can be rotated individually.
Specifically, offering mounting hole on the outer end face of the first idler wheel 5, in the inner end insertion mounting hole of the second idler wheel 6 simultaneously
It can be moved along mounting hole, and there is second flank of tooth 61 on the inner face of the second idler wheel 6, the bottom surface of mounting hole has first flank of tooth
51.It should be noted that outer end face refers to 5 left end face of the first idler wheel as shown in Figs. 1-2, that is, positioned at outer end when installation
Plane.In the case that second idler wheel 6 is sheathed on outside the second axis 2, mounting hole is opened up on outer end face namely in the second idler wheel 6
Mounting hole is set in hollow cavity, and second flank of tooth 61 is arranged in the bottom surface of mounting hole, then in the inner end insertion mounting hole of the first idler wheel 5
And it is moved along mounting hole and first flank of tooth 51 of its end may make to engage with second flank of tooth 61.
Further, in the case where being provided with return springs 7, it is preferred that one end of return springs 7 and first axle
1 end offsets, and the other end offsets with the second idler wheel 6.Second idler wheel 6 is sheathed on outside the second axis 2, and the second idler wheel 6 is hollow
There is step surface 62, return springs 7 are set between step surface 62 and first axle 1, pass through the setting of step surface 62 in cavity
Convenient for the installation of return springs 7.
It further include the lock for first axle 1 and the second axis 2 to be locked in connection status on the basis of the various embodiments described above
Stop part 8.There are two types of working conditions, i.e. lockup state and unlocked state for the tool of locking component 8.And then first axle 1 and the second axis 2 connect
Connect locking component 8 under state pushes first axle 1 or the second axis 2 to make it 2 locking of first axle 1 and the second axis without external force
Connection status is kept, adjusts right and left eyes focal length simultaneously convenient for user.And when needing individually to adjust left eye or have focal length, it will lock
Stop part 8 unlocks, then first axle 1 can be relatively moved with the second axis 2 to separate, and then can according to need and individually adjust left eye
Or there is the focal length of eye.
Further, locking component 8 includes buckle 81 and the unlock elastic component 82 for pushing buckle 81 to reset, the second axis
2 inner end has clamp 21, and pressing locking component 8 when the second axis 2 is mobile relative to first axle 1 is so that in the insertion of clamp 21 buckle 81
Locking, and unlock elastic component 82 when the second axis 2 presses again and buckle 81 is pushed to discharge clamp 21.It should be noted that the
The inner end of two axis 2 refers to the other end opposite with above-mentioned outer end, is as shown in figs. 1-2 right end.The then opposite first axle of the second axis 2
1 while both be moved to connection, and the clamp 21 of the second axis 2, which presses locking component 8, makes insertion 81 internal lockings of buckle of clamp 21, the
Two axis 2 are locked to realize the locking of first axle 1 and the second axis 2.The second axis 2 is pressed when unlock again, unlocks elastic component 82
Buckle 81 is pushed to discharge clamp 21, so that the second axis 2 releases locking, first axle 1 separates each autorotation with the recovery of the second axis 2
State.Namely locking component 8 can be pressed 2 locking of the second axis, be pressed again by second using latch assembly is axially pressed
Axis 2 unlocks.Specifically, unlock elastic component 82 can be spring, it as needed can also be using other routines in the prior art
Material or structural member with elastic-restoring force.
Referring to Fig. 5, Fig. 5 is a kind of configuration schematic diagram of locking component 8.When pressing the second axis 2, the second axis 2
Compression unlock elastic component 82, the Elastic buckle 81 of locking component 8 rotate inward after touching the side wall of locking component 8, then
The clamp 21 for blocking 2 head of the second axis makes the second axis 2 be lockable and cannot retreat.When pressing the second axis 2 again in locking component 8
Portion's stop bit unclamps, and unlock elastic component 82 pushes the second axis 2 to move lock of the buckle 81 by natural resiliency release to the second axis 2 backward
Position.Internal stop bit can specifically include rotary buckle 83, and the top of rotary buckle 83 and buckle 81 are hinged, and bottom end has revotating card
First 85.Locking component 8 includes shell and is slidably mounted on the intracorporal buckle 81 of shell, offers bayonet, bayonet on the outer wall of shell
Shape as shown in figure 8, include a lower height of first position and the higher-height second position, first position and the second position it
Between be inclined wall.Inner wall has boss, and boss has the inner wall inclined-plane 84 cooperated with bayonet, and the top on inner wall inclined-plane 84 is by upper
It is tilted under from the second position to first position, bottom end is consistent with the shape of bayonet, and 83 original installation position of rotary buckle is in incline
It is ramp-like.
Specifically, referring to Fig. 6, Fig. 6 is the status diagram of locking component when the second axis 2 does not press.Due to buckle 81
Self structure shape is at opening shape.Referring to Fig. 7, Fig. 7 is locking component by the status diagram of the second axis locking.When pressing the
When two axis, the extruding that buckle 81 will receive shell is rotated inward, and rotary buckle 83 can also be rotated along inner wall inclined-plane 84, when its turn
When to the first position of outer wall bayonet shown in Fig. 8, the rotation clamp 85 of rotary buckle 83 is stuck at first position, and then holds card
Button 81 cannot be resetted because of the elastic force for unlocking elastic component 82, and buckle 81, which blocks the second shaft head, prevents the second axis from retreating, into
And it is integrally formed first axle with the second axis, it can rotate together.
Referring to Fig. 9, Fig. 9 is the cross section structure schematic diagram of Fig. 8.When pressing the second axis again, the second axis will continue to push away
Dynamic buckle 81 is taken exercises downwards, and rotary buckle 83 can continue to rotate therewith, and rotation clamp 85 slips into second by first position
Position, and then since unlock elastic component 82 resets the promotion of strength, rotation clamp 85 enters in outer wall with the reset of buckle 81
Side, and restore to inner wall inclined-plane 84 to wait pressing next time, buckle 81 discharges the second shaft head, and the second axis can also reset,
And then first axle is separated with the second axis.
The specific structure and working principle of the locking component axially press locking group see also routine in the prior art
Part.As needed, the component with locking and unlocking function that other are conventional in the prior art can also be used in locking component 8.
In the above embodiments, first bevel gear 9 is fixed in first axle 1, the end of the first transmission shaft 3 is fixedly connected
There is the third hand tap gear 11 engaged with first bevel gear 9；It slides axially on second axis 2 and second bevel gear 10 is installed, second
The end of transmission shaft 4 is fixedly connected with the 4th bevel gear 12 engaged with second bevel gear 10.Certainly, second bevel gear 10 should be with
Second axis 2 rotates synchronously.Effectively reliably the rotation of first axle 1 and the second axis 2 can be distinguished by the cooperation of bevel gear set
It is transferred to the first transmission shaft 3 or second driving shaft 4.Second bevel gear 10 is slidably mounted on the second axis 2, so first axle 1 with
When second axis 2 relatively moves, second bevel gear 10 can be remained to be engaged with the 4th bevel gear 12, to guarantee to corresponding
The distance of lens barrel 14 to display screen 15 is effectively adjusted.Preferably, second bevel gear 10 and the second axis 2 are cooperated by key, then
Second bevel gear 10 can either axially opposed second axis 2 it is mobile, and can be rotated synchronously with the second axis 2.
The focal length adjustment device provided in based on the above embodiment, the utility model, which additionally provides one kind, to be worn display and sets
Standby, it includes any one focal length adjustment device in above-described embodiment that this, which wears display equipment,.The focal length adjustment device is installed on head
Between the front housing 16 and rear shell 17 for wearing display equipment.Since this wears display equipment using the focus adjustment in above-described embodiment
Device, so the beneficial effect for wearing display equipment please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of focal length adjustment device for wearing display equipment, which is characterized in that including first axle (1), the second axis (2), difference
For the first transmission shaft (3) and second driving shaft (4) that the lens barrel (14) with left and right side is threadedly coupled, the first axle
(1) first transmission shaft (3) rotation is driven when rotating to adjust the distance of corresponding lens barrel (14) to display screen (15), described the
Two axis (2) second driving shaft (4) rotation is driven when rotating with adjust corresponding lens barrel (14) to the display screen (15) away from
From, and the first axle (1) can be relatively moved with second axis (2) to connect synchronous rotation in turn or separate independent in turn
Rotation.
2. focal length adjustment device according to claim 1, which is characterized in that the first axle (1) is cylindrical in shape, and described second
Axis (2) is sheathed in the first axle (1) and can be mobile along the first axle (1).
3. focal length adjustment device according to claim 2, which is characterized in that the first axle (1) and second axis (2)
Between be provided with return springs (7), elastic deformation occurs when the first axle (1) is mobile relative to second axis (2).
4. focal length adjustment device according to claim 2, which is characterized in that the outer end of the first axle (1) is fixedly connected
Have the first idler wheel (5), the outer end of second axis (2) is fixedly connected with the second idler wheel (6).
5. focal length adjustment device according to claim 4, which is characterized in that first idler wheel (5) and second rolling
Wheel (6) is set to ipsilateral, and is respectively arranged with the first tooth matched on first idler wheel (5) and second idler wheel (6)
Face (51) and second flank of tooth (61), so that first idler wheel (5) is moved axially relatively with second idler wheel (6) to described
First idler wheel (5) described in when first flank of tooth (51) is meshed with second flank of tooth (61) is synchronous with the second idler wheel (6) to be turned
It is dynamic.
6. focal length adjustment device according to claim 5, which is characterized in that opened on the outer end face of first idler wheel (5)
Equipped with mounting hole, the inner end of second idler wheel (6) is inserted into the mounting hole and can be moved along the mounting hole, and described
There is second flank of tooth (61), the bottom surface of the mounting hole has first flank of tooth on the inner face of second idler wheel (6)
(51)。
7. focal length adjustment device according to claim 1-6, which is characterized in that further include being used for described first
Axis (1) and second axis (2) are locked in the locking component (8) of connection status.
8. focal length adjustment device according to claim 7, which is characterized in that the locking component (8) includes buckle (81)
There are clamp (21) with the inner end of the unlock elastic component (82) for pushing the buckle (81) to reset, second axis (2), institute
The locking component (8) is pressed when stating the second axis (2) relative to the first axle (1) movement so that described in the clamp (21) insertion
(81) internal locking is buckled, and the unlock elastic component (82) pushes the buckle (81) when second axis (2) presses again
The clamp (21) to be discharged.
9. focal length adjustment device according to claim 1-6, which is characterized in that fixed on the first axle (1)
Have first bevel gear (9), the end of first transmission shaft (3) is fixedly connected with engaged with the first bevel gear (9)
Third hand tap gear (11)；It slides axially and is equipped with second bevel gear (10) on second axis (2), the second driving shaft (4)
End be fixedly connected with the 4th bevel gear (12) engaged with the second bevel gear (10).
10. one kind wears display equipment, which is characterized in that including such as described in any item focal length adjustment devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752712.9U CN208795941U (en) | 2018-10-26 | 2018-10-26 | One kind wearing display equipment and its focal length adjustment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752712.9U CN208795941U (en) | 2018-10-26 | 2018-10-26 | One kind wearing display equipment and its focal length adjustment device |
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| Publication Number | Publication Date |
|---|---|
| CN208795941U true CN208795941U (en) | 2019-04-26 |
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ID=66212321
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821752712.9U Active CN208795941U (en) | 2018-10-26 | 2018-10-26 | One kind wearing display equipment and its focal length adjustment device |
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| Country | Link |
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| CN (1) | CN208795941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117310999A (en) * | 2023-11-30 | 2023-12-29 | 吉林大学 | VR glasses for relieving eye fatigue |
-
2018
- 2018-10-26 CN CN201821752712.9U patent/CN208795941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117310999A (en) * | 2023-11-30 | 2023-12-29 | 吉林大学 | VR glasses for relieving eye fatigue |
| CN117310999B (en) * | 2023-11-30 | 2024-03-15 | 吉林大学 | VR glasses for relieving eye fatigue |
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Effective date of registration: 20201111 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 266100 Qingdao, Laoshan District, North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
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