CN206115033U - Be applied to virtual reality device's focus adjustment mechanism and virtual reality device - Google Patents
Be applied to virtual reality device's focus adjustment mechanism and virtual reality device Download PDFInfo
- Publication number
- CN206115033U CN206115033U CN201621035265.6U CN201621035265U CN206115033U CN 206115033 U CN206115033 U CN 206115033U CN 201621035265 U CN201621035265 U CN 201621035265U CN 206115033 U CN206115033 U CN 206115033U
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- China
- Prior art keywords
- driven pulley
- focal length
- virtual reality
- setting mechanism
- length setting
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 210000005069 ears Anatomy 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000004438 eyesight Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000000887 face Anatomy 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Abstract
The utility model relates to a virtual reality technology field discloses a be applied to virtual reality device's focus adjustment mechanism and virtual reality device to practice thrift virtual reality device's inner space, improve the accuracy of focal length setting. Virtual reality device includes drive arrangement, drive wheel, follows driving wheel, hold -in range and fixing base, wherein: the drive wheel be connected with the drive arrangement transmission and through the hold -in range with is connected from the driving wheel transmission, from driving wheel and fixing base thread connection, follow and be provided with lens module in the driving wheel.
Description
Technical field
This utility model is related to technical field of virtual reality, and more particularly to a kind of focal length for being applied to virtual reality device is adjusted
Section mechanism and virtual reality device.
Background technology
With the development of science and technology, application of the virtual reality technology in people's productive life is also more and more extensive.Particularly
The application of wear-type virtual reality device is more extensive, and wear-type virtual reality device is that a kind of right and left eyes of utilization people obtain letter
Breath difference, guiding user produce a kind of three-dimensional display of the sensation in virtual environment.Its displaying principle is left and right paropion
Curtain shows the image of right and left eyes respectively, and human eye acquisition is this with third dimension is produced in brain after discrepant information.User wears
After wearing wear-type virtual reality device, it can be seen that the very strong virtual world of another third dimension.However, for myopia
Or for the crowd of visual impairment such as hypermetropia, it is impossible to wearing spectacles while wear-type virtual reality device is worn, therefore, mesh
Front virtual reality device typically all has focus adjustment function, to adapt to the crowd of different visions.
At present, the focal length setting mechanism in virtual reality device generally takes up larger inner space, and weight is larger,
The accuracy of focus adjustment is also poor.
Utility model content
This utility model embodiment provides a kind of focal length setting mechanism and virtual reality for being applied to virtual reality device
Device, to save the inner space of virtual reality device, improves the accuracy of focus adjustment.
One embodiment of this utility model provide the focal length setting mechanism for being applied to virtual reality device include driving means,
Driving wheel, driven pulley, Timing Belt and fixed seat, wherein：
The driving wheel is connected with driving means and is connected with driven pulley by Timing Belt, the driven pulley
With eyeglass module is provided with fixed seat thread connection, and the driven pulley.
Optionally, the driving means are hand gear or motor.
Preferably, the focal length setting mechanism also includes rotating shaft, is arranged between the driving means and the driving wheel
And with the relatively-stationary rotating shaft fixed plate of the fixed seat, the rotating shaft pass through the rotating shaft fixed plate, the driving means with
Driving wheel is connected by rotating shaft transmission.
Optionally, the driving wheel and driven pulley are toothed belt wheel, and the Timing Belt is cingulum；Or the driving wheel and driven
Take turns as Athey wheel, the Timing Belt is crawler belt；Or the driving wheel and driven pulley are belt pulley, the Timing Belt is belt.
Specifically, the driven pulley has external thread part, and the fixed seat has internal thread part, the outer spiral shell of the driven pulley
Stricture of vagina portion is threadedly coupled with the internal thread part of fixed seat.
Preferably, the wheel face of the driven pulley is provided with the first spacing preiection and the second spacing preiection, the Timing Belt position
Between the first spacing preiection and the second spacing preiection.
Preferably, first spacing preiection and the second spacing preiection are set respectively close to two sides of driven pulley wheel face
Put.
Preferably, first spacing preiection is that multiple and along driven pulley wheel face is circumferentially uniformly distributed；Second limit
Position projection is circumferentially uniformly distributed for multiple and along driven pulley wheel faces.
The focal length setting mechanism for being applied to virtual reality device that this utility model embodiment is provided, it is virtual existing for adjusting
The focal length that actual load is put, to adapt to the demand of different vision crowds.Specifically, when user uses virtual reality device, if setting
Focal length is inconsistent with user's vision condition, and user can operate driving means to focus.Driving means drive rotation
Dynamic, driving wheel drives driven pulley to rotate by Timing Belt, and as driven pulley is threadedly coupled with fixed seat, therefore driven pulley is being rotated
While also can move in parallel toward or away from fixed seat so that the eyeglass module in driven pulley is also moved in parallel, so as to
Realize the function of focus adjustment.The focal length setting mechanism utilizes toothed belt transmission, saves inner space, and, Timing Belt transmission
Load it is larger, power transmission is accurate；In addition, driving the parallel shifting of driven pulley using driven pulley and the mode that fixed seat is threadedly coupled
It is dynamic, without the need for the auxiliary of other structures, internal structural space is greatly reducing, reduce product weight, and eyeglass module is flat
The mobile position of row is more accurate, can improve the stability that driven pulley is moved in parallel, and makes the central shaft of eyeglass module keep steady
It is fixed.
This utility model embodiment additionally provides a kind of virtual reality device, including housing, be arranged in housing two
Focal length setting mechanism in display screen, and the aforementioned arbitrary technical scheme set by corresponding each display screen, the focal length are adjusted
The fixed seat of section mechanism is fixed on housing, and eyeglass module is arranged towards display screen.
Preferably, the fixed seat has multiple fixed ears, and the fixed seat is by being arranged on the spiral shell that each is fixed at ear
Nail is connected with housing.
The virtual reality device is adjusted eyeglass module and is shown using the focal length setting mechanism in aforementioned arbitrary technical scheme
The distance between display screen, that is, adjust the focal length of virtual reality device, to adapt to the demand of different vision crowds.Can improve significantly
Reduce focal length setting mechanism shared by inner space, reduce installation weight, the accuracy of focus adjustment can also be improved.
Description of the drawings
Fig. 1 is the structural representation of the focal length setting mechanism that one embodiment of this utility model is applied to virtual reality device；
Fig. 2 is the Structure explosion diagram of the focal length setting mechanism that one embodiment of this utility model is applied to virtual reality device.
Reference：
1- driving means；
2- driving wheels；
3- driven pulleys；
4- Timing Belts；
5- fixed seats；
6- eyeglass modules；
7- rotating shaft fixed plates；
The first spacing preiections of 31-；
The second spacing preiections of 32-；
8- display screens；
51- fixes ear.
Specific embodiment
To save the inner space of virtual reality device, the accuracy of focus adjustment is improved, this utility model embodiment is carried
A kind of focal length setting mechanism and virtual reality device for being applied to virtual reality device is supplied.For make the purpose of this utility model,
Technical scheme and advantage are clearer, and by the following examples this utility model is described in further detail.
Refer to Fig. 1 and Fig. 2, a kind of focus adjustment for being applied to virtual reality device that this utility model embodiment is provided
Mechanism, including driving means 1, driving wheel 2, driven pulley 3, Timing Belt 4 and fixed seat 5, wherein：Driving wheel 2 is passed with driving means 1
It is dynamic to connect and be connected with driven pulley 3 by Timing Belt 4, set in driven pulley 3 and 5 thread connection of fixed seat, and driven pulley 3
It is equipped with eyeglass module 6.
The focal length setting mechanism for being applied to virtual reality device that this utility model embodiment is provided, it is virtual existing for adjusting
The focal length that actual load is put, to adapt to the demand of different vision crowds.Specifically, when user uses virtual reality device, if setting
Focal length is inconsistent with user's vision condition, and user can operate driving means 1 to focus.Driving means 1 drive driving wheel 2
Rotate, driving wheel 2 drives driven pulley 3 to rotate by Timing Belt 4, as driven pulley 3 is threadedly coupled with fixed seat 5 therefore driven
Wheel 3 also can be moved in parallel toward or away from fixed seat 5 while rotating, so that the eyeglass module 6 in driven pulley 3 is also put down
Row movement, so as to realize the function of focus adjustment.The focal length setting mechanism is driven using Timing Belt 4, saves inner space, and
And, the load of the transmission of Timing Belt 4 is larger, and power transmission is accurate；In addition, the mode being threadedly coupled with fixed seat using driven pulley is driven
Dynamic driven pulley 3 is moved in parallel, and without the need for the auxiliary of other structures, be greatly reducing internal structural space, is reduced product weight,
And position that eyeglass module 6 is moved in parallel is more accurate, can improve the stability that driven pulley is moved in parallel, make eyeglass module
Central shaft keep stable.
1 type of driving means in this utility model embodiment is not limited, and can be hand gear, or motor.
If driving means 1 are hand gear, user's manual rotation hand gear is capable of achieving focus adjustment, and user is dialled by forward or reverse handss
Focal length can be tuned up or be turned down by wheel；If driving means 1 are motor, user can be by virtual reality device housing
The button of setting starts and closes motor, and control motor is rotated forward or inverted, so as to realize focal length tune up or
Person turns down.
As illustrated in figs. 1 and 2, focal length setting mechanism also includes rotating shaft, is arranged at and states between driving means 1 and driving wheel 2
And with 5 relatively-stationary rotating shaft fixed plate 7 of fixed seat, rotating shaft passes through rotating shaft fixed plate 7, and driving means 1 are with driving wheel 2 by turning
Axle is connected.Rotating shaft fixed plate 7 is arranged between driving means 1 and driving wheel 2, can improve the stability of transmission.In addition,
Bearing can be set between rotating shaft and rotating shaft fixed plate 7, to improve the motility of rotation.
In embodiment of the present utility model, driving wheel 2, driven pulley 3, the type of Timing Belt 4 are not limited.For example, driving wheel 2
Can be toothed belt wheel with driven pulley 3, corresponding Timing Belt 4 is cingulum；Driving wheel 2 and driven pulley 3 can also be Athey wheel, corresponding
Timing Belt 4 be crawler belt；Driving wheel 2 and driven pulley 3 can also be belt pulley, and corresponding Timing Belt 4 is belt.
As shown in Fig. 2 driven pulley 3 have external thread part, fixed seat 5 have internal thread part, the external thread part of driven pulley 3 with
The internal thread part threaded connection of fixed seat 5.
In another embodiment of the present utility model, the wheel face of driven pulley 3 is provided with the first spacing preiection 31 and the second limit
Position raised 32, Timing Belt 4 is located between the first spacing preiection 31 and the second spacing preiection 32.Using being arranged at 3 wheel face of driven pulley
Limit convex get up to limit the position of Timing Belt 4, not only can prevent Timing Belt 4 from coming off, driven pulley 3 can also be moved in parallel
Distance limited, prevent driven pulley 3 from colliding with display screen or screwing out from fixed seat 5.
Preferably, the first spacing preiection 31 and the second spacing preiection 32 are set respectively close to two sides of 3 wheel face of driven pulley
Put.Can so cause the structure of focal length setting mechanism compacter, compact.
In a preferred embodiment, the first spacing preiection 31 is circumferentially uniformly distributed for multiple and along driven pulley 3 wheel faces；
Second spacing preiection 32 is circumferentially uniformly distributed for multiple and along driven pulley 3 wheel faces.
This utility model embodiment also provides a kind of virtual reality device, including housing (not shown), is arranged at shell
Focus adjustment machine in two internal display screens 8, and the aforementioned arbitrary technical scheme set by corresponding each display screen 8
Structure, the fixed seat 5 of focal length setting mechanism are fixed on housing, and eyeglass module 6 is arranged towards display screen 8.
The virtual reality device is adjusted eyeglass module 6 and is shown using the focal length setting mechanism in aforementioned arbitrary technical scheme
The distance between display screen 8, that is, adjust the focal length of virtual reality device, to adapt to the demand of different vision crowds.Can improve big
The big inner space reduced shared by focal length setting mechanism, reduces installation weight, can also improve the accuracy of focus adjustment.
As depicted in figs. 1 and 2, fixed seat 5 has multiple fixed ears 51, and fixed seat 5 fixes ear 51 by being arranged on each
The screw at place is connected with housing.
Obviously, those skilled in the art this utility model embodiment can be carried out it is various change and modification without deviating from
Spirit and scope of the present utility model.So, if these modifications of the present utility model and modification belong to this utility model right
Within the scope of requirement and its equivalent technologies, then this utility model is also intended to comprising these changes and modification.
Claims (10)
1. a kind of focal length setting mechanism for being applied to virtual reality device, it is characterised in that including driving means, driving wheel, from
Driving wheel, Timing Belt and fixed seat, wherein：
The driving wheel is connected with driving means and is connected with driven pulley by Timing Belt, the driven pulley with it is solid
Eyeglass module is provided with reservation thread connection, and the driven pulley.
2. focal length setting mechanism as claimed in claim 1, it is characterised in that the driving means are hand gear or drive electricity
Machine.
3. focal length setting mechanism as claimed in claim 1, it is characterised in that the focal length setting mechanism also includes rotating shaft, sets
Be placed between the driving means and the driving wheel and with the relatively-stationary rotating shaft fixed plate of the fixed seat, the rotating shaft wears
The rotating shaft fixed plate is crossed, the driving means are connected by rotating shaft transmission with driving wheel.
4. focal length setting mechanism as claimed in claim 1, it is characterised in that
The driving wheel and driven pulley are toothed belt wheel, and the Timing Belt is cingulum；Or
The driving wheel and driven pulley are Athey wheel, and the Timing Belt is crawler belt；Or
The driving wheel and driven pulley are belt pulley, and the Timing Belt is belt.
5. focal length setting mechanism as claimed in claim 1, it is characterised in that the driven pulley has external thread part, described solid
Reservation has internal thread part, and the external thread part of the driven pulley is threadedly coupled with the internal thread part of fixed seat.
6. focal length setting mechanism as claimed in claim 1, it is characterised in that it is spacing that the wheel face of the driven pulley is provided with first
Raised and the second spacing preiection, the Timing Belt are located between the first spacing preiection and the second spacing preiection.
7. focal length setting mechanism as claimed in claim 6, it is characterised in that first spacing preiection and the second spacing preiection
Arrange respectively close to two sides of driven pulley wheel face.
8. focal length setting mechanism as claimed in claim 6, it is characterised in that first spacing preiection is multiple and along driven
The wheel face of wheel is circumferentially uniformly distributed；Second spacing preiection is that multiple and along driven pulley wheel face is circumferentially uniformly distributed.
9. a kind of virtual reality device, it is characterised in that including housing, two display screens being arranged in housing, and correspondence
The focal length setting mechanism as described in 1～8 any one of right set by each display screen, the fixed seat of the focal length setting mechanism
Housing is fixed on, eyeglass module is arranged towards display screen.
10. virtual reality device as claimed in claim 9, it is characterised in that the fixed seat has multiple fixed ears, described
Fixed seat is connected with housing by being arranged on each screw fixed at ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035265.6U CN206115033U (en) | 2016-08-31 | 2016-08-31 | Be applied to virtual reality device's focus adjustment mechanism and virtual reality device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035265.6U CN206115033U (en) | 2016-08-31 | 2016-08-31 | Be applied to virtual reality device's focus adjustment mechanism and virtual reality device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206115033U true CN206115033U (en) | 2017-04-19 |
Family
ID=58520458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621035265.6U Expired - Fee Related CN206115033U (en) | 2016-08-31 | 2016-08-31 | Be applied to virtual reality device's focus adjustment mechanism and virtual reality device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206115033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632397A (en) * | 2017-10-16 | 2018-01-26 | 深圳市中科智诚科技有限公司 | A kind of VR glasses of the adjustable sighting distance based on Internet of Things |
| CN108089331A (en) * | 2017-12-01 | 2018-05-29 | 电子科技大学 | A kind of head-mounted display and control device |
-
2016
- 2016-08-31 CN CN201621035265.6U patent/CN206115033U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632397A (en) * | 2017-10-16 | 2018-01-26 | 深圳市中科智诚科技有限公司 | A kind of VR glasses of the adjustable sighting distance based on Internet of Things |
| CN108089331A (en) * | 2017-12-01 | 2018-05-29 | 电子科技大学 | A kind of head-mounted display and control device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |