CN107505714B - Virtual reality head-mounted display device - Google Patents
Virtual reality head-mounted display device Download PDFInfo
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- CN107505714B CN107505714B CN201710915180.XA CN201710915180A CN107505714B CN 107505714 B CN107505714 B CN 107505714B CN 201710915180 A CN201710915180 A CN 201710915180A CN 107505714 B CN107505714 B CN 107505714B
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- object distance
- assembly
- bevel gear
- display screen
- rod
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention is applicable to the technical field of virtual reality, and provides virtual reality head-mounted display equipment which comprises an adjusting rod for driving a left object distance adjusting component and a right object distance adjusting component to move so as to adjust the left object distance and the right object distance, wherein the adjusting rod is in sliding fit with a shell and can slide to a first position matched with the left object distance adjusting component and separated from the right object distance adjusting component, and a second position matched with the right object distance adjusting component and separated from the left object distance adjusting component. The virtual reality head-mounted display device provided by the invention can independently adjust the object distance on the right side, and can respectively adjust the left side and the right side for users with different myopia degrees of two eyes by independently adjusting the object distances on the left side and the right side, so that the effect of clearly watching a film for both the left eye and the right eye can be achieved, the immersion feeling is good, and the user experience is good.
Description
Technical Field
The invention belongs to the technical field of virtual reality, and particularly relates to a virtual reality head-mounted display device.
Background
When the existing virtual reality head-mounted display equipment adjusts the object distance, two lenses are moved simultaneously, so that the distance between the lenses and the display screen assembly is changed, the object distance is adjusted, and a user can see the picture displayed by the display screen assembly clearly. However, by means of the mode of moving the lenses simultaneously, the left object distance and the right object distance can be adjusted simultaneously, and for users with different myopia degrees of the left eye and the right eye, after the object distance is adjusted, the users can not see the display of the display screen assembly clearly, and good film watching effect cannot be achieved, so that immersion feeling is poor, and user experience is affected.
Disclosure of Invention
The invention aims to provide a virtual reality head-mounted display device, which aims to solve the problems that in the prior art, the left object distance and the right object distance of the virtual reality head-mounted display device can only be adjusted at the same time, and for users with different myopia degrees of left eyes and right eyes, a good film watching effect cannot be achieved, so that immersion feeling is poor, and user experience is affected.
The invention is realized in such a way that the virtual reality head-mounted display device comprises a shell, a left lens arranged on the shell, a right lens arranged on the shell side by side with the left lens, a left display screen component arranged opposite to the left lens and used for displaying images, a right display screen component arranged opposite to the right lens and used for displaying images, a left object distance adjusting component with one side connected with the left display screen component and the other side connected with the shell and used for adjusting the distance between the left display screen component and the left lens, and a right object distance adjusting component with one side connected with the right display screen component and the other side connected with the shell and used for adjusting the distance between the right display screen component and the right lens, wherein the distance between the left display screen component and the left lens is a left object distance, the distance between the right display screen component and the right lens is a right object distance, the virtual reality head-mounted display device further comprises a second object distance adjusting rod and a sliding position adjusting rod, and a third object distance adjusting component is arranged between the virtual reality head-mounted display device and the shell and the virtual reality head-mounted display device, and the virtual reality head-mounted display device is provided with a sliding position adjusting rod and a second object distance adjusting component.
Further, the adjustment lever has a third position that is switched to cooperate with both the left and right object distance adjustment assemblies by sliding relative to the housing, wherein the adjustment member passes through the third position during sliding from the first position to the second position.
Further, the casing is provided with a sliding hole extending along the left-right direction, the adjusting rod is arranged in the sliding hole in a penetrating manner and can slide and rotate in the sliding hole, and the adjusting rod comprises a main body rod, a left driving part fixedly arranged on one side of the main body rod, which is close to the left object distance adjusting component, and a right driving part fixedly arranged on one side of the main body rod, which is close to the right object distance adjusting component, which is matched with the right object distance adjusting component.
Further, the left driving member includes a left driving gear; the left side display screen subassembly face one side of left side object distance adjusting subassembly is equipped with first left side screw hole, left side object distance adjusting subassembly including rotate connect in the casing and extend along left and right directions and with adjust pole complex first left side drive assembly and one end rotate connect in casing and other end rotate connect in left side display screen subassembly is used for the drive left side display screen subassembly is relative the second left side drive assembly that left side lens removed, first left side drive assembly including rotate connect in first left side transfer line of casing, be fixed in on the first left side transfer line and be used for with left side driving gear meshing's left driven gear and fixed set up in first left side transfer line is close to second left side drive assembly one end first left side bevel gear, second left side drive assembly including one end rotate connect in casing and other end revolve in first left side screw rod of first left side screw hole and fixed set up in first left side drive rod is close to and with first left side bevel gear meshing.
Further, a second left threaded hole is further formed in one side, facing the left object distance adjusting assembly, of the left display screen assembly, the first left transmission assembly further comprises a third left bevel gear fixedly arranged at one end of the first left bevel gear, the left object distance adjusting assembly further comprises a third left transmission assembly and a fifth left transmission assembly, wherein the third left transmission assembly is rotationally connected to the machine shell and extends along the vertical direction, one end of the fifth left transmission assembly is rotationally connected to the machine shell and the other end of the fifth left transmission assembly, the fourth left transmission assembly is used for driving the left display screen assembly to move relative to the left lens, the third left transmission assembly comprises a third left transmission rod rotationally connected to the machine shell, a fourth left bevel gear fixedly arranged at one end of the third left transmission rod and meshed with the third left bevel gear, and a fifth left bevel gear fixedly arranged at one end of the third left transmission rod and far from the fourth left bevel gear, and the fourth left transmission assembly comprises a fifth left screw rod rotationally connected to the fourth left transmission assembly and the fifth left bevel gear, and the fifth left transmission assembly is rotationally connected to the fifth left bevel gear and the fifth screw rod is fixedly arranged at one end of the left transmission rod and the fourth left transmission assembly and the fifth left transmission assembly is close to the left bevel gear.
Further, the right driving member includes a right driving gear; the right side display screen subassembly face one side of right side object distance adjustment subassembly is equipped with first right side screw hole, right side object distance adjustment subassembly including rotate connect in the casing and extend along left and right direction and with adjust pole complex first right side drive assembly and one end rotate connect in casing and other end rotate connect in right side display screen subassembly is used for the drive right side display screen subassembly is relative right side lens removes second right side drive assembly, first right side drive assembly including rotate connect in first right side transfer line of casing, be fixed in on the first right side transfer line and be used for with right side driving gear meshing's right driven gear and fixed set up in first right side transfer line is close to second right side drive assembly one end first right side bevel gear, second right side drive assembly including one end rotate connect in casing and other end revolve in first right side screw rod of first right side screw hole and fixed set up in first right side screw rod and fixed set up in first right side drive gear meshing with first right side bevel gear.
Further, a second right threaded hole is further formed in one side, facing the right object distance adjusting assembly, of the right display screen assembly, the first right transmission assembly further comprises a third right bevel gear fixedly arranged at one end of the first right bevel gear, the right object distance adjusting assembly further comprises a third right transmission assembly and a fifth right transmission assembly, wherein the third right transmission assembly is rotationally connected to the machine shell and extends along the vertical direction, one end of the fifth right transmission assembly is rotationally connected to the machine shell and the other end of the fifth right transmission assembly, the fourth right transmission assembly is used for driving the right display screen assembly to move relative to the right lens, the third right transmission assembly comprises a third right transmission rod rotationally connected to the machine shell, a fourth right bevel gear fixedly arranged at one end of the third right transmission rod and meshed with the third right bevel gear, and a fifth right bevel gear fixedly arranged at the other end of the third right transmission rod and far from the fourth right bevel gear, and the fourth right transmission assembly comprises a fifth right bevel gear rotationally connected to the second right bevel gear and the fifth right transmission assembly, and the fifth right transmission assembly is rotationally connected to the fifth right bevel gear and the fifth right bevel gear.
Further, a left guide hole is formed in the side, facing the left lens, of the left display screen assembly, and a left guide column extending towards the left display screen assembly and connected to the left guide hole in a sliding mode is arranged on the side, facing the left display screen assembly, of the machine shell.
Further, a right guide hole is formed in the side, facing the right lens, of the right display screen assembly, and a right guide column extending towards the right display screen assembly and connected to the right guide hole in a sliding mode is formed in the side, facing the right display screen assembly, of the casing.
Further, be provided with on the main part pole along its circumference direction encircle the first annular that sets up, along its circumference direction encircle the second annular that sets up and along its circumference direction encircle the third annular that sets up, first annular third annular and the second annular is followed the axial direction of main part pole sets gradually side by side, still be equipped with the central axis perpendicular to on the casing the slip joint hole and with the spacing hole of slip joint hole intercommunication, the casing is including being equipped with slip joint hole and hold in the casing main part of spacing hole and to the spacing subassembly of slip joint hole elasticity flexible, when adjusting the pole is located first position, spacing subassembly joint in first annular, when adjusting the pole and being located the second position, spacing subassembly joint in the second annular, when adjusting the pole and being located the third position, spacing subassembly joint in the third annular.
Compared with the prior art, the invention has the technical effects that: the virtual reality head-mounted display device comprises a left object distance adjusting component for adjusting left object distance, a right object distance adjusting component for adjusting right object distance and an adjusting rod capable of driving the left object distance adjusting component and the right object distance adjusting component to move respectively, so that the left object distance and the right object distance can be adjusted respectively, specifically, when the left object distance needs to be adjusted, the adjusting rod can be pushed to reach a first position to enable the adjusting rod to be matched with the left object distance adjusting component and separated from the right object distance adjusting component, so that the left object distance can be adjusted independently, when the right object distance needs to be adjusted, the adjusting rod can be pushed to reach a second position to enable the adjusting rod to be matched with the right object distance adjusting component and separated from the left object distance adjusting component, so that the right object distance can be adjusted independently, and through independent adjustment of the left object distance and the right object distance, for users with different myopia degrees, the left side and the right side can be adjusted respectively, so that the viewing effect and the film experience of the left eye and the right eye can be clear can be achieved, and the user experience is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the embodiments of the present invention or the drawings used in the description of the prior art, and it is obvious that the drawings described below are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a virtual reality head mounted display device provided by an embodiment of the present invention;
fig. 2 is a perspective view of a virtual reality head mounted display device provided by an embodiment of the invention;
FIG. 3 is an exploded view of a virtual reality head mounted display device provided by an embodiment of the invention;
FIG. 4 is a perspective view of a left display screen assembly and a right display screen assembly provided by an embodiment of the present invention;
FIG. 5 is a perspective view of a left side object distance adjustment assembly and a right side object distance adjustment assembly provided by an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the adjustment lever slid to the first position;
FIG. 7 is a schematic view of the structure of the adjusting lever slid to the second position;
FIG. 8 is a schematic view of the structure of the adjustment lever slid to the third position;
FIG. 9 is a schematic view of an installation of a housing with a left side object distance adjustment assembly and a right side object distance adjustment assembly provided by an embodiment of the present invention;
fig. 10 is a partial enlarged view of fig. 9.
Reference numerals illustrate:
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating an indicated technical feature
Is a number of (3). Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Referring to fig. 1 to 8, the virtual reality head-mounted display device provided by the invention comprises a shell 10, a left lens 20 arranged on the shell 10, a right lens 30 arranged on the shell 10 side by side with the left lens 20, a left side display screen assembly 40 arranged opposite to the left lens 20 and used for displaying images, a right side display screen assembly 50 arranged opposite to the right lens 30 and used for displaying images, a left side object distance adjusting assembly 60 with one side connected with the left side display screen assembly 40 and the other side connected with the shell 10 and used for adjusting the distance between the left side display screen assembly 40 and the left side lens 20, and a right side object distance adjusting assembly 70 with one side connected with the right side display screen assembly 50 and the other side connected with the shell 10 and used for adjusting the distance between the right side display screen assembly 50 and the right side lens 30, wherein the distance between the left side display screen assembly 40 and the left side object distance assembly 20 is the left side object distance adjusting assembly 50 and the right side object distance assembly 60, and the second object distance adjusting assembly 80 can be driven by a sliding motion, and the sliding motion of the sliding type device between the left side object distance adjusting assembly and the left side object distance adjusting assembly 60 and the second object distance adjusting assembly.
Referring to fig. 1 to 8, the virtual reality head-mounted display device provided by the invention includes a left object distance adjusting component 60 for adjusting a left object distance, a right object distance adjusting component 70 for adjusting a right object distance, and an adjusting rod 80 capable of driving the left object distance adjusting component 60 and the right object distance adjusting component 70 to move respectively, so as to realize the respective adjustment of the left object distance and the right object distance, specifically, when the left object distance needs to be adjusted, the adjusting rod 80 can be pushed to reach a first position so that the adjusting rod 80 is matched with the left object distance adjusting component 60 to be separated from the right object distance adjusting component, thus the left object distance can be adjusted independently, when the right object distance needs to be adjusted, the adjusting rod 80 can be pushed to reach a second position so that the adjusting rod 80 is matched with the right object distance adjusting component 70 to be separated from the left object distance adjusting component, thus, and by the independent adjustment of the left object distance and the right object distance, for users with different eyes, the left and right eyes can be adjusted respectively, so that the user can see the film with good and the best experience.
Referring to fig. 8, further, the adjusting lever 80 is slidably engaged with the casing 10 and is capable of sliding to a third position engaged with both the left object distance adjusting assembly 60 and the right object distance adjusting assembly 70, wherein the adjusting member 80 passes through the third position in the process of sliding from the first position to the second position, and based on this structure, when the left object distance and the right object distance are adjusted at the same time, the left eye and the right eye can clearly see the image, the adjusting lever 80 can be slid to the third position, so that the adjusting lever 80 is engaged with both the left object distance adjusting assembly 60 and the right object distance adjusting assembly 70, and thus the left object distance and the right object distance adjusting efficiency can be adjusted at the same time.
Referring to fig. 5 to 8, further, the casing 10 is provided with a sliding hole 111 extending in a left-right direction, the adjusting rod 80 is disposed in the sliding hole 111 in a penetrating manner and is capable of sliding and rotating in the sliding hole 111, and the adjusting rod 80 includes a main body rod 81, a left driving member fixedly disposed on a side of the main body rod 81 close to the left object distance adjusting assembly 60 and used for being matched with the left object distance adjusting assembly 60, and a right driving member fixedly disposed on a side of the main body rod 81 close to the right object distance adjusting assembly 70 and used for being matched with the right object distance adjusting assembly 70. Specifically, the adjusting lever 80 is mounted in the sliding hole 111, and can perform sliding movement in the sliding hole 111 to reach a first position, a second position and a third position, when the adjusting lever 80 reaches the first position, the left driving member is engaged with the left object distance adjusting assembly 60 and the right driving member is separated from the right object distance adjusting assembly 70, when the adjusting lever 80 reaches the second position, the right driving member is engaged with the right object distance adjusting assembly 70 and the left driving member is separated from the left object distance adjusting assembly 60, and when the adjusting lever 80 reaches the third position, the left driving member is engaged with the left object distance adjusting assembly 60 and the right driving member is also engaged with the right object distance adjusting assembly 70, so as to realize the following three functions: 1. independently adjusting left object distance; 2. independently adjusting the right object distance; 3. while adjusting the left object distance and the right object distance.
Referring to fig. 5 and 6, further, the left driving member includes a left driving gear 82; the left display screen assembly 40 is provided with a first left threaded hole 41 on the side facing the left object distance adjusting assembly 60, the left object distance adjusting assembly 60 comprises a first left transmission assembly 61 rotatably connected to the casing 10 and extending along the left-right direction and matched with the adjusting rod 80, and a second left transmission assembly 62 rotatably connected to the casing 10 and the other end and used for driving the left display screen assembly 40 to move relative to the left lens 20, the first left transmission assembly 61 comprises a first left transmission rod 611 rotatably connected to the casing 10, a left driven gear 612 fixed on the first left transmission rod 611 and used for meshing with the left driving gear 82, and a first left bevel gear 613 fixedly arranged on the first left transmission rod 611 near one end of the second left transmission assembly 62, and the second left transmission assembly 62 comprises a first left bevel gear 621 rotatably connected to the casing 10 and the other end and used for meshing with the first left bevel gear 613 near the first left bevel gear 613 and fixedly arranged on the left screw gear 613 near the first threaded hole 621. Specifically, the first left screw 621 is in threaded engagement with the first left threaded hole 41, and the first left screw 621 can push the left display screen assembly 40 to move back and forth when rotating in the first left threaded hole 41, so as to adjust the distance between the left display screen assembly 40 and the left lens 20, and achieve adjustment of the left object distance. Specifically, when the left object distance needs to be adjusted, the adjusting lever 80 is pushed to move so that the left driving gear 82 is meshed with the left driven gear 612, then the adjusting lever 80 is rotated, the left driving gear 82 drives the left driven gear 612 to rotate, and then the first left bevel gear 613 rotates, the first left bevel gear 613 is meshed with the second left bevel gear 622, and finally the rotation of the first left screw 621 in the first left threaded hole 41 is achieved, so that the adjustment of the left object distance is achieved. According to the embodiment of the invention, the meshing structure of the bevel gears is used for converting the horizontal rotary motion into the front-rear rotary motion, so that the space utilization rate of the left object distance adjusting assembly 60 is improved, and the head-mounted display equipment is more exquisite in design.
Referring to fig. 5 and 6, further, a second left threaded hole 42 is further provided on a side of the left display screen assembly 40 facing the left object distance adjusting assembly 60, the first left transmission assembly 61 further includes a third left bevel gear 614 fixedly disposed on an end of the first left transmission rod 611 far from the first left bevel gear 613, the left object distance adjusting assembly 60 further includes a third left transmission assembly 63 rotatably connected to the casing 10 and extending in an up-down direction, and a fourth left transmission assembly 64 having one end rotatably connected to the casing 10 and the other end rotatably connected to the left display screen assembly 40 and for driving the left display screen assembly 40 to move relative to the left lens 20, the third left transmission assembly 63 includes a third left transmission rod 631 rotatably connected to the casing 10, a fourth left bevel gear 614 fixedly disposed on an end of the third left transmission rod 631 near to the third left bevel gear 614 and engaged with the third left bevel gear, and a fourth left bevel gear 633 rotatably disposed on an end of the third left transmission rod 633 near to the fourth bevel gear 641 and fixedly disposed on an end of the fourth left transmission rod 641 near to the second left bevel gear end 641 and further fixed to the fourth bevel gear end 641. The second left screw 641 is arranged on the other side of the left display screen assembly 40 to push the left display screen assembly 40 to move, and the second left screw 641 and the first left screw 621 synchronously push the left display screen assembly 40 to move, so that the moving process of the left display screen assembly 40 is more stable, the left display screen assembly 40 can be ensured not to incline in the moving process, the situation of local blurring of a displayed image is avoided, in particular, in the rotating process of the first left transmission assembly 61, the third left bevel gear 614 drives the fourth left bevel gear 632 to rotate, the fifth left bevel gear 633 drives the sixth left bevel gear 642 to rotate, and finally, the second left screw 641 rotates in the second left threaded hole 42 to drive the left display screen assembly 40 to move.
Referring to fig. 5 and 7, further, the right driving member includes a right driving gear 83; the right display assembly 50 is provided with a first right threaded hole 51 on a side facing the right object distance adjusting assembly 70, the right object distance adjusting assembly 70 includes a first right driving assembly 71 rotatably connected to the housing 10 and extending in a left-right direction and cooperating with the adjusting lever 80, and a second right driving assembly 72 rotatably connected to the housing 10 and rotatably connected to the right display assembly 50 at one end and for driving the right display assembly 50 to move relative to the right lens 30, the first right driving assembly 71 includes a first right driving lever 711 rotatably connected to the housing 10, a right driven gear 712 fixed to the first right driving lever 711 and for meshing with the right driving gear 83, and a first right bevel gear 713 fixedly disposed on the first right driving lever near one end of the second right driving assembly 72, and the second right driving assembly 72 includes a first right bevel gear 713 rotatably connected to the housing 10 and rotatably connected to the other end and disposed on the first right bevel gear 721 near the first right threaded hole 721 and fixedly disposed on the first right bevel gear 713. Specifically, the first right screw 721 is in threaded engagement with the first right threaded hole 51, and the first right screw 721 can push the right display screen assembly 50 to move back and forth when rotating in the first right threaded hole 51, so as to adjust the distance between the right display screen assembly 50 and the right lens 30, thereby realizing adjustment of the right object distance. Specifically, when the right object distance needs to be adjusted, the adjusting lever 80 is pushed to move so that the right driving gear 83 is meshed with the right driven gear 712, then the adjusting lever 80 is rotated, the right driving gear 83 drives the right driven gear 712 to rotate, and then the first right bevel gear 713 is rotated, the first right bevel gear 713 is meshed with the second right bevel gear 722, and finally the rotation of the first right screw 721 in the first right threaded hole 51 is achieved, and the adjustment of the right object distance is achieved. According to the embodiment of the invention, the meshing structure of the bevel gears is used for converting the horizontal rotary motion into the front-rear rotary motion, so that the space utilization rate of the right object distance adjusting assembly 70 is improved, and the head-mounted display equipment is more exquisite in design.
Referring to fig. 5 and 7, further, a second right threaded hole 52 is further provided on a side of the right-side display screen assembly 50 facing the right-side object distance adjusting assembly 70, the first right-side transmission assembly 71 further includes a third right bevel gear 714 fixedly disposed at an end of the first right-side transmission rod 711 away from the first right bevel gear 713, the right-side object distance adjusting assembly 70 further includes a third right-side transmission assembly 73 rotatably connected to the housing 10 and extending in an up-down direction, a fourth right bevel gear 74 having one end rotatably connected to the housing 10 and the other end rotatably connected to the right-side display screen assembly 50 and configured to drive the right-side display screen assembly 50 to move relative to the right-side lens 30, the third right-side transmission assembly 73 includes a third right transmission rod 731 rotatably connected to the housing 10, a fourth right bevel gear 732 fixedly disposed at an end of the third right transmission rod 731 adjacent to the third right bevel gear 714 and engaged with the third right bevel gear 714, and a fifth right bevel gear 741 fixedly disposed at an end of the third right transmission rod 731 rotatably connected to the third right bevel gear 741, and a fifth right bevel gear 741 rotatably disposed at an end of the third right transmission rod 733 adjacent to the fourth right bevel gear 742 rotatably connected to the fourth right side transmission rod 741. According to the invention, the second right screw 741 is arranged on the other side of the right display screen assembly 50 to push the right display screen assembly 50 to move, and the second right screw 721 and the first right screw 721 synchronously push the right display screen assembly 50 to move, so that the moving process of the right display screen assembly 50 is more stable, the right display screen assembly 50 can be ensured not to incline in the moving process, the situation that the displayed image is locally virtual is avoided, in particular, in the rotating process of the first right transmission assembly 71, the third right bevel gear 714 drives the fourth right bevel gear 732 to rotate, the fifth right bevel gear 733 drives the sixth right bevel gear 742 to rotate, and finally, the second right screw 741 rotates in the second right threaded hole 52, so that the driving of the movement of the right display screen assembly 50 is realized. It will be appreciated that when the adjustment lever 80 reaches the third position, referring to fig. 8, the left driving gear 82 should be engaged with the left driven gear 612, and the right driving gear 83 should be engaged with the right driven gear 712.
Referring to fig. 2 to 4, further, a left guide hole 43 is provided on a side of the left display screen assembly 40 facing the left lens 20, and a left guide post 13 extending toward the left display screen assembly 40 and slidably connected to the left guide hole 43 is provided on a side of the chassis 10 facing the left display screen assembly 40. The right display assembly 50 is provided with a right guide hole 53 on a side facing the right lens 30, and the housing 10 is provided with a right guide post 14 extending toward the right display assembly 50 and slidably connected to the right guide hole 53 on a side facing the right display assembly 50. By providing left and right guide posts 13 and 14, respectively, guide the movement of left and right display screen assemblies 40 and 50, respectively, the movement of the display screen assemblies is smoother.
Referring to fig. 9 to 10, further, the main body rod 81 is provided with a first annular groove 811 circumferentially arranged along the circumferential direction thereof, a second annular groove 812 circumferentially arranged along the circumferential direction thereof, and a third annular groove 813 circumferentially arranged along the circumferential direction thereof, the first annular groove 811, the third annular groove 813, and the second annular groove 812 are sequentially arranged side by side along the axial direction of the main body rod 81, the casing 10 is further provided with a limiting hole 112 with a central axis perpendicular to the sliding contact hole 111 and in communication with the sliding contact hole 111, the casing 10 comprises a casing main body 11 provided with the sliding contact hole 111 and the limiting hole 112, and a limiting component 12 accommodated in the limiting hole 112 and elastically stretching toward the sliding contact hole 111, when the adjusting rod 80 is in the first position, the limiting component 12 is in the first annular groove 811, when the adjusting rod 80 is in the second position, the limiting component 12 is in the second annular groove 812, and when the adjusting rod 80 is in the third position, the limiting component 12 is in the third annular groove 12. Thus, when the left object distance is adjusted, the limiting component 12 is clamped in the first annular groove 811, so that misoperation caused by moving the adjusting rod 80 to the second position or the third position along the axial direction during adjustment is avoided. The same reason is that the right object distance is adjusted and the left object distance and the right object distance are adjusted at the same time, so that misoperation can be prevented. Preferably, the limiting assembly 12 includes a ball 121 disposed at one end of the limiting hole 112 near the sliding hole 111, a resisting member 122 fixedly disposed at one end of the limiting hole 112 far away from the sliding hole 111, and an elastic member 123 with one end pushing the ball 121 and the other end pushing the resisting member 122, wherein the elastic member 123 is a spring. The balls 121 can be clamped in the first annular groove 811, the second annular groove 812 and the third annular groove 813 under the pushing action of the springs, and when the adjusting rod 80 is pushed forcefully, the balls 121 can be switched among the first annular groove 811, the second annular groove 812 and the third annular groove 813, so that the adjusting rod 80 reaches the first position, the second position and the third position.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. A virtual reality head-mounted display device is characterized by comprising a shell, a left lens arranged on the shell, a right lens arranged on the shell side by side with the left lens, a left display screen component arranged opposite to the left lens and used for displaying images, a right display screen component arranged opposite to the right lens and used for displaying images, a left object distance adjusting component, one side of which is connected with the left display screen component and the other side of which is connected with the shell and used for adjusting the distance between the left display screen component and the left lens, and a right object distance adjusting component, one side of which is connected with the right display screen component and the other side of which is connected with the shell and used for adjusting the distance between the right display screen component and the right lens, wherein the distance between the left display screen assembly and the left lens is a left object distance, the distance between the right display screen assembly and the right lens is a right object distance, the virtual reality head mounted display device further comprises an adjustment lever for driving the left object distance adjustment assembly to move to adjust the left object distance and driving the right object distance adjustment assembly to move to adjust the right object distance, the adjustment lever is in sliding fit with the housing, the adjustment lever has a first position that is switched to be engaged with the left object distance adjustment assembly to be separated from the right object distance adjustment assembly by sliding relative to the housing, and a second position that is engaged with the right object distance adjustment assembly to be separated from the left object distance adjustment assembly; the adjusting rod comprises a main body rod, a left driving part fixedly arranged on one side of the main body rod, which is close to the left object distance adjusting component, and a right driving part fixedly arranged on one side of the main body rod, which is close to the right object distance adjusting component, and which is matched with the right object distance adjusting component.
2. The virtual reality head mounted display device of claim 1, wherein the adjustment lever has a third position that is engaged by both the left side object distance adjustment assembly and the right side object distance adjustment assembly by sliding relative to the housing, wherein the adjustment lever passes through the third position during sliding from the first position to the second position.
3. The head-mounted display device of claim 2, wherein the casing is provided with a sliding hole extending in a left-right direction, and the adjusting rod is inserted into the sliding hole and can slide and rotate in the sliding hole.
4. The virtual reality head mounted display device of claim 3, wherein the left side drive comprises a left side drive gear; the left side display screen subassembly face one side of left side object distance adjusting subassembly is equipped with first left side screw hole, left side object distance adjusting subassembly including rotate connect in the casing and extend along left and right directions and with adjust pole complex first left side drive assembly and one end rotate connect in casing and other end rotate connect in left side display screen subassembly is used for the drive left side display screen subassembly is relative the second left side drive assembly that left side lens removed, first left side drive assembly including rotate connect in first left side transfer line of casing, be fixed in on the first left side transfer line and be used for with left side driving gear meshing's left driven gear and fixed set up in first left side transfer line is close to second left side drive assembly one end first left side bevel gear, second left side drive assembly including one end rotate connect in casing and other end revolve in first left side screw rod of first left side screw hole and fixed set up in first left side drive rod is close to and with first left side bevel gear meshing.
5. The virtual reality head mounted display device of claim 4, wherein a second left threaded hole is further formed in a side of the left display screen assembly facing the left object distance adjusting assembly, the first left drive assembly further comprises a third left bevel gear fixedly disposed on the first left drive rod and away from one end of the first left bevel gear, the left object distance adjusting assembly further comprises a third left drive assembly rotatably connected to the housing and extending in an up-down direction, and a fourth left drive assembly rotatably connected to the housing and the other end and used for driving the left display screen assembly to move relative to the left lens, the third left drive assembly comprises a third left drive rod rotatably connected to the housing, a fourth left bevel gear fixedly disposed on the third left drive rod and away from one end of the third left bevel gear and engaged with the third left bevel gear, and a fourth left bevel gear fixedly disposed on the third left drive rod and away from one end of the fourth left bevel gear and further disposed on the other end of the fourth left drive rod and further than the fourth left bevel gear and further comprising a fifth left bevel gear rotatably connected to the fourth left drive rod and the other end of the fourth left drive rod and the fourth bevel gear and the fourth left drive assembly and the left bevel gear.
6. The virtual reality head mounted display device of claim 3, wherein the right side drive comprises a right side drive gear; the right side display screen subassembly face one side of right side object distance adjustment subassembly is equipped with first right side screw hole, right side object distance adjustment subassembly including rotate connect in the casing and extend along left and right direction and with adjust pole complex first right side drive assembly and one end rotate connect in casing and other end rotate connect in right side display screen subassembly is used for the drive right side display screen subassembly is relative right side lens removes second right side drive assembly, first right side drive assembly including rotate connect in first right side transfer line of casing, be fixed in on the first right side transfer line and be used for with right side driving gear meshing's right driven gear and fixed set up in first right side transfer line is close to second right side drive assembly one end first right side bevel gear, second right side drive assembly including one end rotate connect in casing and other end revolve in first right side screw rod of first right side screw hole and fixed set up in first right side screw rod and fixed set up in first right side drive gear meshing with first right side bevel gear.
7. The virtual reality head mounted display device of claim 6, wherein a second right threaded hole is further provided on a side of the right side display screen assembly facing the right side object distance adjusting assembly, the first right side transmission assembly further comprises a third right side bevel gear fixedly disposed on the first right side transmission rod and away from one end of the first right side bevel gear, the right side object distance adjusting assembly further comprises a third right side transmission assembly rotatably connected to the housing and extending in an up-down direction, and a fourth right side transmission assembly rotatably connected to the housing and the other end and used for driving the right side display screen assembly to move relative to the right side lens, the third right side transmission assembly comprises a third right side transmission rod rotatably connected to the housing, a fourth right side bevel gear fixedly disposed on the third right side transmission rod and away from one end of the third right side bevel gear and engaged with the third right side bevel gear, and a fourth right side bevel gear fixedly disposed on the third right side transmission rod and away from one end of the fourth right side bevel gear and further comprising a fifth right side bevel gear fixedly disposed on the third right side transmission rod and the second right side bevel gear and the other end rotatably engaged with the fifth right side bevel gear.
8. The virtual reality head mounted display device of any one of claims 1-7, wherein a side of the left side display screen assembly facing the left side lens is provided with a left side guide hole, and the housing is provided with a left side guide post extending toward the left side display screen assembly and slidably coupled to the left side guide hole on a side facing the left side display screen assembly.
9. The virtual reality head mounted display device of any one of claims 1-7, wherein a side of the right side display screen assembly facing the right side lens is provided with a right side guide hole, and the housing is provided with a right side guide post extending toward the right side display screen assembly and slidably coupled to the right side guide hole on a side facing the right side display screen assembly.
10. The virtual reality head mounted display device of any one of claims 3-7, wherein a first ring groove circumferentially arranged along the main body rod, a second ring groove circumferentially arranged along the main body rod, and a third ring groove circumferentially arranged along the main body rod are arranged on the main body rod, the first ring groove, the third ring groove, and the second ring groove are sequentially arranged side by side along the axial direction of the main body rod, a limiting hole with a central axis perpendicular to the sliding connection hole and communicated with the sliding connection hole is further arranged on the casing, the casing comprises a casing main body provided with the sliding connection hole and the limiting hole, and a limiting component accommodated in the limiting hole and elastically extending towards the sliding connection hole, the limiting component is clamped in the first ring groove when the adjusting rod is located at the first position, the limiting component is clamped in the second ring groove when the adjusting rod is located at the second position, and the limiting component is clamped in the third ring groove when the adjusting rod is located at the third position.
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| CN201710915180.XA CN107505714B (en) | 2017-09-30 | 2017-09-30 | Virtual reality head-mounted display device |
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| CN201710915180.XA CN107505714B (en) | 2017-09-30 | 2017-09-30 | Virtual reality head-mounted display device |
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| CN108873333A (en) * | 2018-05-24 | 2018-11-23 | 成都理想境界科技有限公司 | A kind of display module apparatus for adjusting position and display equipment |
| CN109143588B (en) * | 2018-10-26 | 2023-09-22 | 歌尔科技有限公司 | Head-mounted display equipment and focal length adjusting device thereof |
| CN111929894A (en) * | 2020-07-24 | 2020-11-13 | 光朗(海南)生物科技有限责任公司 | VR glasses with adjustable |
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