Virtual reality wears knob retaining mechanism and virtual reality is worn
Technical field
The present invention relates to optical instrument field, and in particular to virtual reality wears knob retaining mechanism and virtual reality
Wear.
Background technology
Virtual reality wears the head for virtual reality (VR) equipment to be worn on user.Current virtual reality is worn
Retaining mechanism, individually by the control of knob wear it is flexible when, while wearing flexible knob also can with rotation, if
Do not rotated with wearing flexible when wanting knob not rotate, it is necessary to be further added by setting a switch key realizing.
Virtual reality of the prior art wear and its retaining mechanism there are the following problems:
(1) gear is more, is more expensive to manufacture;
(2) organization volume is not suitable for greatly the small product of size;
(3) complex structure, installs inconvenient;
(4) inconvenient operation.
The content of the invention
Present invention aim to address problems of the prior art, realize what virtual reality was worn by a knob
Elastic regulation and locking.
To achieve the above object, The embodiment provides following technical scheme:
On the one hand, there is provided a kind of virtual reality wears knob retaining mechanism, including:Wear rear shell;With the head
The knob of rear shell rotatable engagement is worn, swing tooth is installed on the knob;Travelling gear, the travelling gear have ratchet portion and
Driving section;Fixed station, limiting tooth is provided with the fixed station;Left tooth bar, the right side engaged with the driving section of the travelling gear
Tooth bar;The knob can rotate into locked position by released position;Under the released position, it is described swing tooth with it is described
Limiting tooth is disengaged with the ratchet portion of the travelling gear so that the travelling gear can freely be rotated so that the left tooth bar
With the right tooth bar slidably;From the released position in the locked position rotary course, the limiting tooth and institute
State swing tooth to be engaged with the ratchet portion of the travelling gear, the swing tooth drives the travelling gear to rotate so that the left tooth
Bar and the right tooth bar are tightened up, while the limiting tooth limits the travelling gear counter-rotating.
Preferably, described to wear rear shell and have a card bone, the card bone limits the rotating range of the knob.
Preferably, there is limited post on the fixed station, spring is installed on the knob, under the released position,
The limited post stops the swing tooth, the swing tooth is disengaged with the ratchet portion;From the released position to described
In locked position rotary course, the limited post is released and stops the swing tooth, and the spring pulls the swing tooth, is made described
Tooth is swung to be engaged with the ratchet portion.
Preferably, also there is limited block on the knob, after the limited post is released and stops the swing tooth, the limit
The block limitation swing tooth in position makes it not departed from the ratchet portion to engage.
Preferably, latch and torsion spring are installed, the latch can be around the rotating shaft on the fixed station on the fixed station
Rotation, under the released position, the latch withstands on described limiting tooth one end, makes the limiting tooth de- with the ratchet portion
Open;In from the released position to the locked position rotary course, the latch departs from the limiting tooth, and the torsion spring drives
The dynamic limiting tooth rotation, makes the limiting tooth be engaged with the ratchet portion.
Preferably, bumping post is provided with the fixed station, the latch is rotatably installed on the fixed station, in institute
State under released position, the bumping post is resisted against one end of the latch so that the other end of the latch withstands on the limiting tooth
One end, so that the limiting tooth is disengaged with the ratchet portion.
Preferably, first end face is provided with the knob, is rotated through from the released position to the locked position
Cheng Zhong, the first end face drives the latch to rotationally disengage the bumping post.
Preferably, second end face is additionally provided with the knob, under the released position, the second end face limits institute
The rotation of limiting tooth is stated, the limiting tooth is kept the disengaged condition with the ratchet portion;From the released position to described
In locked position rotary course, the second end face releases the limitation to the limiting tooth.
Preferably, the 3rd end face is additionally provided with the knob, is rotated from the locked position to the released position
During, the 3rd end face drives the latch to rotate to against the bumping post, and the second end face drives the limiting tooth
Rotationally disengage and engaged with the ratchet portion.
On the other hand, there is provided a kind of virtual reality is worn, the virtual reality is worn using as described above virtual existing
Wear knob retaining mechanism in fact.
The advantage of embodiments of the invention is:
Using ratchet mechanism, the disengaging of limiting tooth, swing tooth and ratchet portion is driven by the rotation of knob and is engaged, so that
Drive travelling gear rotation and rotary course in locking realize the elastic regulation and locking worn, it is only necessary to set of gears
Structure, low cost of manufacture, structural volume is small and simple, install, it is easy to operate.
Brief description of the drawings
Next embodiments of the invention will be described in further details with reference to accompanying drawing, wherein:
Fig. 1 is that the virtual reality of embodiments of the invention wears the explosive view of knob retaining mechanism;
Fig. 2 is that the virtual reality of embodiments of the invention wears the rearview of knob retaining mechanism;
Fig. 3 is that the virtual reality of embodiments of the invention wears the section view that knob retaining mechanism is under released position
Figure;
Fig. 4 is that the virtual reality of embodiments of the invention wears the section view that knob retaining mechanism is under locked position
Figure;
Fig. 5 is that the virtual reality of the embodiments of the invention of embodiments of the invention wears the horizontal stroke of knob retaining mechanism
Section view;
Fig. 6 is that the virtual reality of embodiments of the invention wears the section view that knob retaining mechanism is under released position
Figure, basically illustrates the state of each end face on knob;
Fig. 7 is to eliminate the right tooth bar in Fig. 6 and the partial enlarged drawing after left tooth bar;
Fig. 8 is that the virtual reality of embodiments of the invention wears the part that knob retaining mechanism is under locked position
Enlarged drawing.
Description of symbols in upper figure:
1st, rear shell is worn, 2, knob, 3, spring, 4, swing tooth, 5, travelling gear, 6, limiting tooth, 7, torsion spring, 8, latch,
9th, fixed station, 10, right tooth bar, 11, left tooth bar, 12, ratchet portion, 13, driving section, 14, card bone, 15, bumping post, 16, limited post,
17th, first end face, 18, second end face, the 19, the 3rd end face, 20, limited block.
Specific embodiment
In following description, "front", "rear", "left", "right" are defined by view, might not represent the present invention
The virtual reality of embodiment wear actual direction relative to user.
With reference to Fig. 1, the virtual reality of the present embodiment wears knob retaining mechanism, including:Wear rear shell 1, knob 2,
Spring 3, swings tooth 4, travelling gear 5, limiting tooth 6, torsion spring 7, latch 8, fixed station 9, right tooth bar 10, left tooth bar 11.Wherein, revolve
Button 2, spring 3 and swing tooth 4 constitute knob assembly, and limiting tooth 6, torsion spring 7, latch 8 and fixed station 9 constitute limit assembly, right tooth
Bar 10 and left tooth bar 11 are used to connect VR optical components so as to be worn to user's head.Travelling gear 5 has ratchet portion 12
With driving section 13.Wherein, swing tooth 4 to be rotatably installed on knob 2, limiting tooth 6 and latch 8 are rotatably installed in fixation
On platform.
With reference to Fig. 2, right tooth bar 10 and left tooth bar 11 are engaged with the driving section 13 of travelling gear 5, when driving section 13 rotates,
Can drive right tooth bar 10 and left tooth bar 11 shunk towards middle direction or drive right tooth bar 10 to the right, left tooth bar 11 it is loose to the left
Open.
With reference to Fig. 3, under released position, swing tooth 4 and limiting tooth 8 is disengaged with the ratchet portion 12 of travelling gear 5, therefore
Travelling gear 5 can be rotated freely without restriction, and correspondingly, travelling gear 5 tooth bar 10 and left tooth bar 11 will not apply to the right
Moment of torsion, therefore left tooth bar 11 and right tooth bar 10 can in the lateral direction slidably so that user can be by virtual reality head
Wearing size adjusting must be than larger, and head can extend into virtual reality and wear.Rear shell 1 is worn with card bone 14, the limitation rotation of card bone 14
The rotating range of button 2, makes knob 2 180 degree can only be rotated between released position and locked position.Have on fixed station 9 spacing
Post 16, is provided with spring 3 on knob 2.Spring 3 provides pulling force to swing tooth 4, but under released position, limited post 16 stops pendulum
Dynamic tooth 4, makes swing tooth 4 keep disengaging with ratchet portion 12.Latch 8 and torsion spring 7 are also equipped with fixed station 9, latch 8 can be around solid
Determine the rotating shaft rotation on platform 9.Torsion spring 7 is that the offer of limiting tooth 6 driving force makes limiting tooth 6 be intended to be engaged with ratchet portion 12, but
Under released position, latch 8 withstands on the one end of limiting tooth 6, makes limiting tooth 6 keep disengaging with ratchet portion 12.Gear is provided with fixed station 9
Post 15, under released position, bumping post 15 is resisted against one end of latch 8 so that the other end of latch 8 withstands on the one end of limiting tooth 6, from
And limiting tooth 6 is disengaged with the ratchet portion 12.
With reference to Fig. 4, in knob 2 from released position in locked position rotary course, limiting tooth 6 and tooth 4 is swung with transmission
The ratchet portion 12 of gear 5 engages.With the rotation of knob 2, swing tooth 4 and drive travelling gear 5 to rotate, so that the He of left tooth bar 11
Right tooth bar 10 is tightened up, while limiting tooth 6 limits travelling gear 5 towards released position counter-rotating.So, it is just real by knob 2
Show two functions of elastic regulation and locking that virtual reality wears, only exist a travelling gear 5, simple structure, low cost,
Small volume, it is easy to operate.
It can also be seen from figure 4 that in knob 2 from released position in locked position rotary course, swing tooth 4 is transported with knob 2
Dynamic to cause to be changed with the relative position of limited post 16, limited post 16 is released and stops swing tooth 4, and spring 3 is pulled and swings tooth 4,
Swing tooth 4 is set to swing into the state engaged with ratchet portion 12, so as to when knob 2 is further rotated, swing tooth 4 by knob 2
Moment of torsion pass to travelling gear 5.From released position, in the locked position rotary course, latch 8 departs from limiting tooth 6,
Torsion spring 7 drives limiting tooth 6 to rotate, and limiting tooth 6 is entered the state engaged with ratchet portion 12.
With reference to Fig. 5, when knob 2 drives knob assembly to rotate, spring 3 and swing tooth 4 on knob 2 will not be with fixed stations
9 interfere, and knob 2 is rotatable.
With reference to Fig. 6, Fig. 7 and Fig. 8, first end face 17,18 and the 3rd end face of second end face, 19 3 ends are provided with knob 2
Face.From Fig. 6 and Fig. 7, under released position, first end face 17 will not promote latch 8;The auxiliary limitation of second end face 18 is spacing
The rotation of tooth 6, makes limiting tooth 6 keep the disengaged condition with ratchet portion 12;The auxiliary of 3rd end face 19 keeps latch 8 to withstand on limiting tooth
On 6.And as seen from Figure 8, in knob 2 from released position in locked position rotary course, first end face 17 drives latch 8 to rotate
Depart from bumping post 15, latch 8 departs from limiting tooth 6;Second end face 18 produces displacement with the rotation of knob 2, releases to limiting tooth 6
Limitation;3rd end face 19 departs from latch 8.
And when the locked position of Fig. 8 rotates to released position as shown in Figure 7, second end face 18 drives spacing first
Tooth 6 overcomes the elastic force of torsion spring 7 and departs from and engaged with ratchet portion 12, and then the 3rd end face 19 drives the rotation of latch 8 until latch 8
Against bumping post 15, latch 8 is set to withstand on one end of limiting tooth 6.This is also implied that, only just can by the rotation of a knob 2
So that virtual reality wears the state for reentering adjustable-tightness.
From Fig. 7 and Fig. 8, also there is limited block 20 on knob 2, the limited post 16 on fixed station 9 is released and stops pendulum
After dynamic tooth 4, the further swing that the limitation of limited block 20 swings tooth 4 makes swing tooth 4 not departed from ratchet portion 12 to engage.
Above description is only presently preferred embodiments of the present invention, not for limiting the scope that the present invention is implemented, to above-mentioned reality
Equivalence replacement and modification that example is done are applied, all should be fallen within claims of the invention.