Lens barrel device and head-mounted display equipment

Abstract

The invention discloses a lens cone device and head-mounted display equipment. The lens cone device comprises a main body, a first lens cone, a second lens cone and a movable part, the first lens cone can be movably connected to the main body along a first direction, and the first lens cone is provided with a first connecting part; the second lens barrel can be movably connected to the main body in the first direction, and the second lens barrel is provided with a second connecting part; the movable part is rotatably connected to the main body, a first guide rail and a second guide rail are arranged on the movable part, the first connecting part is slidably arranged on the first guide rail, the second connecting part is slidably arranged on the second guide rail, and the movable part can convert movement of the first lens cone relative to the main body into movement of the second lens cone relative to the main body; therefore, the first lens cone and the second lens cone are close to each other or far away from each other, the pupil distance is adjusted, and the lens is simple in structure, small in occupied space and low in cost.

Description

Technical Field

[0001] The present application belongs to the field of three-dimensional display technology, and in particular relates to a lens barrel device and a head-mounted display device. Background Art

[0002] A head-mounted display device is a wearable smart device that uses optical technology to guide the video image light emitted by a micro-image display to the user's pupil, realizes virtual and enlarged images within the user's near-eye range, and provides the user with intuitive and visual images, videos, and text information.

[0003] The head-mounted display device is provided with two left and right lens barrels, corresponding to the left and right eyes of a person respectively, and the user can view the content displayed on the display screen through the lenses in the lens barrels. The head-mounted display device is provided with an interpupillary distance adjustment mechanism for adjusting the distance between the two lens barrels, thereby adjusting the interpupillary distance of the head-mounted display device.

[0004] However, in the related art, the structure of the pupil distance adjustment mechanism is complicated. Summary of the invention

[0005] The embodiments of the present application provide a lens barrel device and a head-mounted display device to solve the technical problem of the complex structure of the pupil distance adjustment mechanism in the related art.

[0006] In a first aspect, an embodiment of the present application provides a lens barrel device for use in a head-mounted display device, comprising: a main body; a first lens barrel, which can be movably connected to the main body along a first direction, and the first lens barrel is provided with a first connecting portion; a second lens barrel, which can be movably connected to the main body along the first direction, and the second lens barrel is provided with a second connecting portion; a movable member, which is rotatably connected to the main body, and the movable member is provided with a first guide rail and a second guide rail, the first connecting portion is slidably provided on the first guide rail, and the second connecting portion is slidably provided on the second guide rail, the first lens barrel and the second lens barrel are symmetrically provided, and when the first lens barrel moves relative to the main body, the first connecting portion moves along the first guide rail, causing the second connecting portion to move along the second guide rail, thereby causing the first lens barrel and the second lens barrel to move in a symmetrical manner.

[0007] In a second aspect, an embodiment of the present application provides a head-mounted display device, comprising: a housing and any one of the above-mentioned barrel devices; the barrel device is installed in the housing.

[0008] The lens barrel device and head-mounted display device provided in the embodiments of the present application are provided with a main body, a first lens barrel, a second lens barrel and a movable part; the first lens barrel can be movably connected to the main body along a first direction, and the first lens barrel is provided with a first connecting portion; the second lens barrel can be movably connected to the main body along the first direction, and the second lens barrel is provided with a second connecting portion; the movable part is rotatably connected to the main body, and a first guide rail and a second guide rail are provided on the movable part, the first connecting portion is slidably arranged on the first guide rail, and the second connecting portion is slidably arranged on the second guide rail, and the movable part can convert the movement of the first lens barrel relative to the main body into the movement of the second lens barrel relative to the main body, so that the first lens barrel and the second lens barrel are closer to or farther away from each other, thereby realizing the adjustment of the pupil distance, and the structure is simple, occupies little space, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0010] Figure 1 A schematic diagram of the structure of a lens barrel device provided in one embodiment of the present application;

[0011] Figure 2 A schematic diagram of the back side of a lens barrel device provided in one embodiment of the present application;

[0012] Figure 3 for Figure 1 A schematic diagram of the structure of the moving parts in FIG.

[0013] Figure 4 for Figure 1 A schematic diagram of the structure of the first lens barrel and the second lens barrel in FIG.

[0014] Figure 5 for Figure 4 A schematic structural diagram of the first lens barrel in FIG.

[0015] Figure 6 A schematic diagram of the structure of the lens barrel device provided in one embodiment of the present application when the pupil distance is minimum;

[0016] Figure 7 for Figure 6 Schematic diagram of the back side of the middle tube device.

[0017] Description of reference numerals:

[0018] 100: main body; 110: rotating shaft;

[0019] 120: first slide rail; 121: moving guide rail;

[0020] 130: second slide rail; 131: moving hole;

[0021] 132: first moving hole; 133: second moving hole;

[0022] 140: first mounting hole; 150: second mounting hole;

[0023] 200: first lens barrel; 210: first connecting portion;

[0024] 211: first pin shaft; 220: first sliding part;

[0025] 221: first ear portion; 230: second sliding portion;

[0026] 231: first hook; 232: first convex portion;

[0027] 300: second lens barrel; 310: second connecting portion;

[0028] 311: second pin shaft; 320: third sliding part;

[0029] 321: second ear portion; 330: fourth sliding portion;

[0030] 331: second hook; 332: second convex portion;

[0031] 400: movable part; 410: first guide rail;

[0032] 411: first guide hole; 420: second guide rail;

[0033] 421: second guide hole; 430: plate body;

[0034] 440: rotating part; 441: rotating hole. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, but cannot be understood as limiting the present application.

[0036] It should be understood that the various steps described in the method embodiments of the present disclosure may be performed in different orders and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present disclosure is not limited in this respect.

[0037] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0038] It should be noted that the concepts such as "first" and "second" mentioned in this application are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0039] It should be noted that the modifications of "one" and "plurality" mentioned in the present application are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0040] The names of the messages or information exchanged between multiple devices in the embodiments of the present disclosure are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0041] It should be noted that the concepts such as "first" and "second" mentioned in this application are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0042] It should be noted that the modifications of "one" and "plurality" mentioned in the present application are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0043] The names of the messages or information exchanged between multiple devices in the embodiments of the present disclosure are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0044] The embodiments of the present application can be applied to various application scenarios such as extended reality, virtual reality, augmented reality, and mixed reality.

[0045] First, some nouns or terms that appear in the description of the embodiments of the present application are explained as follows:

[0046] Extended Reality (XR) is a concept that includes Virtual Reality (VR), Augmented Reality (AR) and Mixed Reality (MR). It refers to the technology that creates an environment in which the virtual world is connected to the real world, and users can interact with the environment in real time.

[0047] Virtual Reality (VR) is a technology for creating and experiencing a virtual world. It generates a virtual environment by computation. It is a multi-source information (the virtual reality mentioned in this article includes at least visual perception, and can also include auditory perception, tactile perception, motion perception, and even taste perception, olfactory perception, etc.). It realizes the simulation of the fusion and interactive three-dimensional dynamic vision and entity behavior of the virtual environment, immersing users in a simulated virtual reality environment, and realizing its application in various virtual environments such as maps, games, videos, education, medical treatment, simulation, collaborative training, sales, assisted manufacturing, maintenance and repair.

[0048] Augmented Reality (AR) is a technology that calculates the camera's posture parameters in the real world (or three-dimensional world, real world) in real time during the process of the camera capturing images, and adds virtual elements to the images captured by the camera based on the camera posture parameters. Virtual elements include but are not limited to: images, videos and three-dimensional models. The goal of AR technology is to integrate the virtual world with the real world on the screen for interaction.

[0049] Mixed Reality (MR) is a simulated setting that integrates computer-created sensory input (e.g., virtual objects) with sensory input from a physical setting or its representation. In some MR settings, the computer-created sensory input can adapt to changes in sensory input from the physical setting. In addition, some electronic systems used to present MR settings can monitor the orientation and / or position relative to the physical setting so that virtual objects can interact with real objects (i.e., physical elements from the physical setting or their representations). For example, the system can monitor movement so that virtual plants appear stationary relative to physical buildings.

[0050] Augmented Virtuality (AV), AV scenery refers to a simulated scenery in which a computer-created scenery or a virtual scenery incorporates at least one sensory input from a physical scenery. One or more sensory inputs from a physical scenery may be a representation of at least one feature of the physical scenery. For example, a virtual object may present the color of a physical element captured by one or more imaging sensors. For another example, a virtual object may present features consistent with actual weather conditions in a physical scenery, as identified via weather-related imaging sensors and / or online weather data. In another example, an augmented reality forest may have virtual trees and structures, but animals may have features accurately reproduced from images taken of physical animals.

[0051] The virtual field of view refers to the area in the virtual environment that the user can perceive through the lens in the virtual reality device, and the field of view (FOV) of the virtual field of view is used to represent the perceived area.

[0052] Virtual reality devices, terminals for realizing virtual reality effects, can usually be provided in the form of glasses, helmet-mounted displays (Head Mount Display, HMD), and contact lenses to realize visual perception and other forms of perception. Of course, the form of virtual reality devices is not limited to this, and can be further miniaturized or enlarged as needed.

[0053] The head-mounted display device is equipped with two left and right lens barrels, each of which is equipped with a lens, corresponding to the left and right eye of a person. Since the pupil distance of different people is different, there will be differences between men and women, young and old, and different races. If the pupil distance is not appropriate, the vision will be blurred, affecting the user experience. In order to better improve the user experience, the pupil distance adjustment function of the head-mounted display device is more important.

[0054] In the related art, a pupil distance adjustment mechanism is provided in a head mounted display device to adjust the distance between the two lens barrels, thereby adjusting the pupil distance. The pupil distance adjustment mechanism includes: a gear rack mechanism or a forward and reverse screw screw mechanism, but these mechanisms have complex structures, occupy a large space, and are costly.

[0055] In order to solve or improve at least one of the above problems, the embodiments of the present application provide a lens barrel device and a head-mounted display device, by setting a main body, a first lens barrel, a second lens barrel and a movable part; the first lens barrel can be movably connected to the main body along a first direction, and the first lens barrel is provided with a first connecting portion; the second lens barrel can be movably connected to the main body along the first direction, and the second lens barrel is provided with a second connecting portion; the movable part is rotatably connected to the main body, and a first guide rail and a second guide rail are provided on the movable part, the first connecting portion is slidably arranged on the first guide rail, and the second connecting portion is slidably arranged on the second guide rail, and the movable part can convert the movement of the first lens barrel relative to the main body into the movement of the second lens barrel relative to the main body, so that the first lens barrel and the second lens barrel are close to or away from each other, thereby realizing the adjustment of the pupil distance, and the structure is simple, occupies little space, and has low cost.

[0056] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0057] Figure 1 A schematic diagram of the structure of a lens barrel device provided in one embodiment of the present application; Figure 2 A schematic diagram of the back side of a lens barrel device provided in one embodiment of the present application; Figure 3 for Figure 1 A schematic diagram of the structure of the moving parts in FIG.

[0058] Figure 4 for Figure 1 A schematic diagram of the structure of the first lens barrel and the second lens barrel in FIG. Figure 5 for Figure 4 A schematic structural diagram of the first lens barrel in FIG. Figure 6 A schematic diagram of the structure of the lens barrel device provided in one embodiment of the present application when the pupil distance is minimum; Figure 7 for Figure 6 Schematic diagram of the back side of the middle tube device.

[0059] Please refer to Figures 1 to 7 An embodiment of the present application provides a lens barrel device for use in a head-mounted display device, which may be a VR device, an AR device, an XR device, or an MR device.

[0060] The lens barrel device includes: a main body 100, a first lens barrel 200, a second lens barrel 300 and a movable member 400; the first lens barrel 200 can be movably connected to the main body 100 along a first direction, and the first lens barrel 200 is provided with a first connecting portion 210; the second lens barrel 300 can be movably connected to the main body 100 along the first direction, and the second lens barrel 300 is provided with a second connecting portion 310; the movable member 400 is rotatably connected to the main body 100, and a first guide rail 410 and a second guide rail 420 are provided on the movable member 400, the first connecting portion 210 is slidably arranged on the first guide rail 410, and the second connecting portion 310 is slidably arranged on the second guide rail 420, and the movable member 400 can convert the movement of the first lens barrel 200 relative to the main body 100 into the movement of the second lens barrel 300 relative to the main body 100, so that the first lens barrel 200 and the second lens barrel 300 are close to or away from each other.

[0061] The first direction is Figure 1 The left-right direction in the image is the arrangement direction of the first lens barrel 200 and the second lens barrel 300. By adjusting the distance between the first lens barrel 200 and the second lens barrel 300 in the first direction, the pupil distance of the head mounted display device can be adjusted.

[0062] The main body 100 can play a supporting role and can be made of metal, plastic, etc. The main body 100 can be a plate-shaped or frame-shaped structure.

[0063] The first lens barrel 200 and the second lens barrel 300 may both be tubular structures, and lenses may be installed therein. The first lens barrel 200 and the second lens barrel 300 may also be made of materials such as metal and plastic. The first lens barrel 200 may be a left lens barrel worn in front of the user's left eye, and the second lens barrel 300 may be a right lens barrel worn in front of the user's right eye, or the first lens barrel 200 may be a right lens barrel, and the second lens barrel may be a left lens barrel.

[0064] The first lens barrel 200 can move relative to the main body 100 along a first direction, and the second lens barrel 300 can also move relative to the main body 100 along the first direction.

[0065] The first lens barrel 200 is provided with a first connecting portion 210, and the first connecting portion 210 can be provided at the top of the first lens barrel 200 near the top or near the bottom, or, as shown in FIG. Figure 4 The first connection portion 210 may be disposed on a side of the first lens barrel 200 close to the second lens barrel 300 .

[0066] The second lens barrel 300 is provided with a second connecting portion 310, which can be provided at the top of the second lens barrel 300 near the top or the bottom near the bottom, or, as shown in FIG. Figure 4 The second connection portion 310 may be disposed on a side of the second lens barrel 300 close to the first lens barrel 200 .

[0067] The movable part 400 is rotatably connected to the main body, and can be a plastic part or a metal part. The movable part 400 is provided with a first guide rail 410 and a second guide rail 420. The structure of the first guide rail 410 can be various, for example, it can be a groove, or it can also be a hole. The first guide rail 410 can extend along a straight line or a curve direction, and the first connecting part 210 is slidably arranged on the first guide rail 410, that is, it can move along the first guide rail 410.

[0068] The second guide rail 420 may have various structures, for example, it may be groove-shaped or hole-shaped. The second guide rail 420 may extend along a straight line or a curve, and the second connecting portion 310 may be slidably disposed on the second guide rail 420 , that is, it may move along the second guide rail 420 .

[0069] In some embodiments, the first connection part 210 includes a first pin shaft 211, and the first guide rail 410 includes a first guide hole 411 disposed on the movable member 400; the second connection part 310 includes a second pin shaft 311, and the second guide rail 420 includes a second guide hole 421 disposed on the movable member 400. The structure is simple, and the movement of the first connection part 210 along the first guide rail 410 and the movement of the second connection part 310 along the second guide rail 420 can be realized.

[0070] In this embodiment, through the connection between the first connecting portion 210 and the first guide rail 410 and the connection between the second connecting portion 310 and the second guide rail 420, the movable member 400 can convert the movement of one of the first lens barrel 200 and the second lens barrel 300 relative to the main body 100 into the movement of the other one relative to the main body 100.

[0071] Combination Figure 1 and Figure 6 When the user needs to adjust the pupil distance, the user can push or pull the first lens barrel 200 or the second lens barrel 300 by hand. Taking the user operating the first lens barrel 200 as an example, the first lens barrel 200 can move relative to the main body 100 along the first direction under the action of an external force. At this time, the first connecting portion 210 will slide relative to the first guide rail 410, and at the same time drive the movable member 400 to rotate relative to the main body 100. The movable member 400 can also drive the second connecting portion 310 to move relative to the main body 100 along the first direction through the second guide rail 420, thereby making the second lens barrel 300 and the first lens barrel 200 approach or move away from each other, thereby adjusting the distance between the first lens barrel 200 and the second lens barrel 300, and then adjusting the pupil distance of the head mounted display device.

[0072] like Figure 2 and Figure 7When the movable member 400 rotates, the position of the first connecting portion 210 in the first guide rail 420 changes, and the position of the second connecting portion 310 in the second guide rail 420 also changes.

[0073] In summary, this embodiment can reliably adjust the pupil distance, so that the user's pupil center can be directly opposite or close to the center of the lens, thereby improving the clarity of the image viewed by the user and enhancing the user's viewing experience. Compared with the lead screw mechanism and the gear rack mechanism in the related art, only the movable part 400 is required to adjust the pupil distance, the structure is simpler, and the processing cost is reduced.

[0074] In some embodiments, the movable member 400 includes a plate body 430 and a rotating portion 440 disposed on the plate body 430 , the first guide rail 410 and the second guide rail 420 are respectively disposed on the plate body 430 on both sides of the rotating portion 440 , and the rotating portion 440 is rotatably connected to the main body 100 .

[0075] The plate body 430 is a plate-shaped structure, and the rotating part 440 can be disposed on the plate body 430 . The rotating part 440 can be rotatably connected to the main body 100 , so that the movable part 400 can rotate relative to the main body 100 .

[0076] The rotating part 440 may have various structures, for example, Figure 3 In the embodiment, the rotating portion 440 includes a rotating hole 441, and the main body 100 has a rotating shaft 110, which is rotatably connected to the rotating hole 441. The rotating hole 441 may be a cylindrical hole, and the rotating shaft 110 may be a cylindrical shaft disposed on a side surface of the main body 100, which may extend into the cylindrical hole to achieve relative rotation. In other embodiments, the rotating shaft may include a screw, which may pass through the rotating hole 441 and be screwed into a threaded hole of the main body 100.

[0077] Alternatively, in other embodiments, the rotating portion 440 includes a rotating shaft, the main body has a rotating hole, and the rotating shaft is rotatably connected to the rotating hole. The rotating hole may be a cylindrical hole, and the rotating shaft may be a cylindrical shaft disposed on the plate body 430, and the cylindrical shaft may extend into the cylindrical hole to achieve relative rotation, or the rotating shaft may include a screw, which may pass through the rotating hole 441 and be screwed into the plate body 430.

[0078] The above structures can realize the relative movement between the movable member 400 and the main body 100. The plate 430 can also reduce the space occupied by the movable member 400, making the structure of the lens barrel device more compact. The movable member 400 can be installed in the narrow space between the first lens barrel 200 and the second lens barrel 300, which can reduce the volume and weight of the head-mounted display device.

[0079] In some embodiments, the first guide rail 410 and the second guide rail 420 are centrally symmetrically arranged with respect to the rotation axis of the rotating portion 440. It can be understood that the first guide rail 410 and the second guide rail 420 can be centrally symmetrically arranged with respect to the rotating portion, so that the moving distance of the first lens barrel 200 relative to the main body 100 is the same as the moving distance of the second lens barrel 300 relative to the main body 100, and the two can achieve synchronous relative or reverse movement.

[0080] In some embodiments, the first guide rail 410 and the second guide rail 420 both extend in a straight direction, and the extension directions of the first guide rail 410 and the second guide rail 420 are parallel or coincident.

[0081] In this embodiment, the first guide rail 410 may be a structure extending in a straight line direction, and the second guide rail 420 may be a structure extending in the same straight line direction. This structure is simple and easy to implement.

[0082] On the basis of the above embodiments, the main body 100 may be provided with a first slide rail 120 and a second slide rail 130; the first lens barrel 200 is provided with a first sliding portion 220 and a second sliding portion 230 at both ends along a second direction perpendicular to the first direction, respectively, the first sliding portion 220 can be slidably arranged on the first slide rail 120 along the first direction, and the second sliding portion 230 can be slidably arranged on the second slide rail 130 along the first direction; the second lens barrel 300 is provided with a third sliding portion 320 and a fourth sliding portion 330 at both ends along the second direction, respectively, the third sliding portion 320 can be slidably arranged on the first slide rail 120 along the first direction, and the fourth sliding portion 330 can be slidably arranged on the second slide rail 130 along the first direction.

[0083] The second direction can be Figure 1 In the up-down direction, the first lens barrel 200 may be provided with a first sliding part 220 and a second sliding part 230 at the upper and lower ends, respectively. The second lens barrel 300 may be provided with a third sliding part 320 and a fourth sliding part 330 at the upper and lower ends, respectively.

[0084] like Figure 2 A first slide rail 120 may be provided above the main body 100, and a second slide rail 130 may be provided below the main body 100. The first sliding part 220 and the third sliding part 320 may move along the first slide rail 120 respectively, and the second sliding part 230 and the fourth sliding part 330 may move along the second slide rail 130 respectively.

[0085] The first lens barrel 200 can move relative to the main body 100 along the first direction with a more stable motion by the first sliding part 220 and the second sliding part 230. The second lens barrel 300 can move relative to the main body 100 along the first direction with a more stable motion by the third sliding part 320 and the fourth sliding part 330.

[0086] The movement of the first sliding portion 220 and the second sliding portion 230 relative to the first slide rail 120 may be the same or different.

[0087] In some embodiments, the first slide rail 120 includes a movable guide rail 121 extending in a first direction; the first sliding portion 220 includes at least one first ear 221, and each first ear is provided with a first receiving hole for passing the movable guide rail 121; the third sliding portion 320 includes at least one second ear 321, and each second ear 321 is provided with a second receiving hole for passing the movable guide rail 121.

[0088] The movable guide rail 121 may extend along the first direction, and may be a cylindrical or prismatic guide rail. Both ends of the movable guide rail 121 may be fixed to the main body 100 by a structure such as a bracket.

[0089] The first lens barrel 200 may be provided with one or more protruding first ear portions 221 , and a first accommodating hole may be provided in the first ear portion 221 . The shape of the first accommodating hole may be the same as the cross-sectional shape of the movable guide rail.

[0090] The moving guide rail 121 may be provided with a first receiving hole, and the first ear portion 221 may slide on the moving guide rail 121 along a first direction, thereby realizing the movement of the first lens barrel 200 .

[0091] The second lens barrel 300 may be provided with one or more protruding second ears 321, and a second accommodating hole may be provided in the second ear 321. The movable guide rail 121 may pass through the second accommodating hole. The shape of the second accommodating hole may be the same as the cross-sectional shape of the movable guide rail. The second ear 321 can slide on the movable guide rail 121 along the first direction, thereby realizing the movement of the second lens barrel 300.

[0092] The number of the first ear portion 221 and the number of the second ear portion 321 may be the same, for example, both may be two.

[0093] In addition, there may be only one movable guide rail 121 , and both the first ear portion 221 and the second ear portion 321 may be disposed on the movable guide rail 121 .

[0094] In some embodiments, the movable guide rail 121 includes a first sub-segment and a second sub-segment, the first sub-segment and the second sub-segment are spaced apart along the first direction, the first sub-segment is provided with a first receiving hole, and the second sub-segment is provided with a second receiving hole. In this embodiment, the movable guide rail 121 may include two, namely the first sub-segment and the second sub-segment, the first ear 221 may be provided on the first sub-segment, the second ear 321 may be provided on the second sub-segment, and the first ear 221 and the second ear 321 may slide on the movable guide rail 121.

[0095] The connection between the moving guide rail 121 and the first ear portion 221 and the moving guide rail 121 and the second ear portion 321 can realize the movement of the first lens barrel 200 relative to the main body 100 along the first direction and the movement of the second lens barrel 300 relative to the main body along the first direction.

[0096] In some embodiments, the movable guide rail 121 is arranged on the back side of the main body 100 away from the first lens barrel 200; the main body 100 is also provided with at least one first mounting hole 140, and each first ear 221 is penetrated by a first mounting hole 140; the main body 100 is also provided with at least one second mounting hole 150, and each second ear 321 is penetrated by a second mounting hole 150.

[0097] The moving guide rail 121 may be disposed on the back side of the main body 100 , and the movable member 400 , the first lens barrel 200 , and the second lens barrel 300 may be installed on the front side of the main body 100 away from the moving guide rail 121 .

[0098] The first mounting hole 140 and the second mounting hole 150 may be provided at positions corresponding to the first ear 221 and the second ear 321 on the main body 100. The first mounting hole 140 may be provided on the first ear 221, and the second mounting hole 150 may be provided on the second ear 321. The first mounting hole 140 may extend along the first direction, so that the first ear 221 can move relative to the movable guide rail 121. Similarly, the second mounting hole 150 may extend along the first direction, so that the second ear 321 can move relative to the movable guide rail 121.

[0099] Taking the first mounting hole 140 as an example, the number of the first ears 221 is the same as the number of the first mounting holes 140, and each first ear 221 may correspond to one first mounting hole 140, or the number of the first mounting hole 140 is one, and all of at least one first ear 221 may simultaneously pass through the same first mounting hole 140. Of course, each second ear 321 may correspond to one second mounting hole 150, or all of at least one second ear 321 may simultaneously pass through one second mounting hole 150.

[0100] By locating the movable rails and the movable member 400 on both sides of the main body 100 , the rear space of the main body 100 can be utilized to arrange the movable rails 121 , thereby improving the rationality of the layout.

[0101] Of course, the movable guide rail 121 can also be set on the front side of the main body 100 or on the top of the main body 100, and the specific selection can be made according to actual conditions.

[0102] In some embodiments, the hole walls at both ends of the first mounting hole 140 along the first direction can be used to respectively define the limit positions of the first lens barrel 200, which are the maximum pupil distance position and the minimum pupil distance position, respectively. When the first ear portion 221 moves to abut against the hole wall of the first mounting hole 140, the first lens barrel 200 can move to the limit position. Similarly, the hole walls at both ends of the second mounting hole 150 along the first direction can be used to respectively define the limit positions of the second lens barrel 300.

[0103] In some embodiments, the second slide rail 130 includes a moving hole 131 set in the main body 100; the second sliding part 230 includes a first hook 231, which is hooked on the hole wall of the moving hole 131; the fourth sliding part 330 includes a second hook 331, which is hooked on the hole wall of the moving hole 131.

[0104] Among them, the movable hole 131 can extend along the first direction, the first hook 231 can be hook-shaped, which can surround a first accommodating space, and the part of the hole wall constituting the movable hole 131 in the main body 100 can be engaged in the first accommodating space, so that the first hook 231 can be hooked on the hole wall of the movable hole 131.

[0105] Similarly, the second hook 331 can be hook-shaped, which can enclose a second accommodating space, and the part of the hole wall of the moving hole 131 in the main body 100 can be engaged in the second accommodating space, so that the second hook 331 can be hooked on the hole wall of the moving hole 131.

[0106] The structures and functions of the first hook 231 and the second hook 331 are the same or similar. Taking the first hook 231 as an example, it can be understood that the size of the movable hole 131 along the second direction can be slightly larger, so that the first hook 231 can pass through the movable hole 131. By setting the positions of the first slide rail 120 and the movable hole 131, the first hook 231 can be hooked on the main body 100.

[0107] The first hook 231 can move along the first direction of the moving hole 131 to achieve the movement of the first lens barrel 200 relative to the main body 100 .

[0108] The second hook 331 can move along the first direction of the moving hole 131 to achieve the movement of the second lens barrel 300 relative to the main body 100 .

[0109] In some embodiments, there may be only one moving hole 131 , and both the first hook 231 and the second hook 331 may be disposed in the moving hole 131 .

[0110] In other embodiments, the movable hole 131 includes a first movable hole 132 and a second movable hole 133; the first hook 231 is hooked on the hole wall of the first movable hole 132, and the second hook 331 is hooked on the hole wall of the second movable hole 133, and the movement of the movable hole 131 relative to the first hook 231 and the second hook 331 can also be realized.

[0111] In some embodiments, the hole walls at both ends of the movable hole 131 along the first direction can be used to define at least one extreme position of the first lens barrel 200, such as the maximum pupil distance position or the minimum pupil distance position. Alternatively, the hole walls of the movable hole 131 and the first mounting hole 140 can be used to define the maximum pupil distance position and the minimum pupil distance position, respectively.

[0112] Or, if Figure 1 and Figure 2 When the pupil distance is at the maximum position, the first ear portion 221 and the second ear portion 321 can be used to respectively abut against the hole walls of the first mounting hole 140 and the second mounting hole 150 to define the limit position. Figure 6 and Figure 7 When the first lens barrel 200 and the second lens barrel 300 are pressed against each other, the pupil distance may be at a minimum position.

[0113] In some embodiments, at least one extreme position may be defined by means of the first guide hole 411 and the second guide hole 421 .

[0114] In some embodiments, a first protrusion 232 penetrating the movable hole 131 is provided on the first lens barrel 200, the first protrusion 232 is located at one end of the first hook 231 along the second direction, and the surface of the first protrusion 232 facing away from the first hook 231 abuts against the hole wall of the movable hole 131; a second protrusion 332 penetrating the movable hole 131 is provided on the second lens barrel 300, the second protrusion 332 is located at one end of the second hook 331 along the second direction, and the surface of the second protrusion 332 facing away from the second hook 331 abuts against the hole wall of the movable hole 131.

[0115] It is understandable that Figure 2 , the second direction is Figure 2 In the up-down direction, the first protrusion 232 is relatively fixed to the first hook 231. If the first accommodation space of the first hook 231 opens upward, the first protrusion 232 can be located below the first hook 231 and abut against the lower hole wall of the moving hole 131. The first protrusion 232 can also surround the two sides of the first hook 231 along the first direction. Of course, if the first accommodation space of the first hook 231 opens downward, the first protrusion 232 can surround the two sides and the top of the first hook 231 and abut against the upper hole wall of the moving hole 131, which can make the first hook 231 move more smoothly relative to the main body 100 along the first direction.

[0116] Likewise, a second protrusion 332 may be disposed outside the second hook 331 , which may also make the movement of the second hook 331 more stable.

[0117] An embodiment of the present application provides a head-mounted display device, comprising: a housing and a lens barrel device; the lens barrel device is installed in the housing.

[0118] Among them, head-mounted display devices can be applied to various application scenarios such as extended reality, virtual reality, augmented reality, and mixed reality.

[0119] The housing may be a shell made of metal or plastic, and the lens barrel device may be installed in the housing. The structure and function of the lens barrel device are the same as those of the above embodiment, and the details may refer to the description of each of the above embodiments.

[0120] The head-mounted display device provided by the present embodiment is provided with a main body, a first lens barrel, a second lens barrel and a movable part in the lens barrel assembly of the head-mounted display device; the first lens barrel can be movably connected to the main body along a first direction, and the first lens barrel is provided with a first connecting portion; the second lens barrel can be movably connected to the main body along the first direction, and the second lens barrel is provided with a second connecting portion; the movable part is rotatably connected to the main body, and a first guide rail and a second guide rail are provided on the movable part, the first connecting portion is slidably arranged on the first guide rail, and the second connecting portion is slidably arranged on the second guide rail, and the movable part can convert the movement of the first lens barrel relative to the main body into the movement of the second lens barrel relative to the main body, so that the first lens barrel and the second lens barrel are closer to or farther away from each other, thereby realizing the adjustment of the pupil distance, and the structure is simple, occupies little space, and has low cost.

[0121] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0122] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0123] In addition, the terms "first", "second", etc. used in the embodiments of the present application are only used for descriptive purposes and should not be understood as indicating or implying relative importance, or implicitly indicating the number of technical features indicated in the present embodiment. Therefore, the features defined by the terms "first", "second", etc. in the embodiments of the present application can explicitly or implicitly indicate that at least one of the features is included in the embodiment. In the description of the present application, the word "multiple" means at least two or two or more, such as two, three, four, etc., unless otherwise clearly and specifically defined in the embodiments.

[0124] In this application, unless otherwise clearly specified or limited in the embodiments, the terms "installed", "connected", "connected" and "fixed" etc. appearing in the embodiments should be understood in a broad sense. For example, the connection can be a fixed connection, a detachable connection, or an integrated connection. It can be understood that it can also be a mechanical connection, an electrical connection, etc.; of course, it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements, or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific implementation situation.

[0125] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0126] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A lens barrel device, It is characterized in that Used in head mounted display devices, including: main body; A first lens barrel is movably connected to the main body along a first direction, and the first lens barrel is provided with a first connecting portion; A second lens barrel is movably connected to the main body along a first direction, and the second lens barrel is provided with a second connecting portion; The movable part is rotatably connected to the main body, and the movable part is provided with a first guide rail and a second guide rail, the first connecting part is slidably arranged on the first guide rail, the second connecting part is slidably arranged on the second guide rail, the first lens barrel and the second lens barrel are symmetrically arranged, when the first lens barrel moves relative to the main body, the first connecting part moves along the first guide rail, so that the second connecting part moves along the second guide rail, thereby making the first lens barrel and the second lens barrel move in a symmetrical manner.

2. The lens barrel device according to claim 1, It is characterized in that The movable part comprises a rotating part, the first guide rail and the second guide rail are respectively arranged on both sides of the rotating part, and the rotating part is rotatably connected to the main body.

3. The lens barrel device according to claim 2, It is characterized in that The first guide rail and the second guide rail are symmetrically arranged relative to the rotating part.

4. The lens barrel device according to claim 2, It is characterized in that The first guide rail and the second guide rail both extend in a straight direction, and the extension directions of the first guide rail and the second guide rail are parallel or coincident.

5. The lens barrel device according to any one of claims 1 to 4, It is characterized in that The first connecting portion includes a first pin shaft, and the first guide rail includes a first guide hole provided on the movable member; The second connecting portion includes a second pin shaft, and the second guide rail includes a second guide hole arranged on the movable member.

6. The lens barrel device according to any one of claims 1 to 4, It is characterized in that The main body is provided with a first slide rail and a second slide rail; The first lens barrel is provided with a first sliding portion and a second sliding portion at two ends along a second direction perpendicular to the first direction, respectively, the first sliding portion can be slidably arranged on the first slide rail along the first direction, and the second sliding portion can be slidably arranged on the second slide rail along the first direction; The second lens barrel is provided with a third sliding part and a fourth sliding part at two ends along the second direction, respectively. The third sliding part can be slidably arranged on the first slide rail along the first direction, and the fourth sliding part can be slidably arranged on the second slide rail along the first direction.

7. The lens barrel device according to claim 6, It is characterized in that The first slide rail comprises a movable guide rail extending in a first direction; The first sliding portion includes at least one first ear portion, and each first ear portion is provided with a first receiving hole for penetrating the movable guide rail; The third sliding portion includes at least one second ear portion, and each second ear portion is provided with a second accommodating hole for penetrating the movable guide rail.

8. The lens barrel device according to claim 7, It is characterized in that The movable guide rail is arranged on the back side of the main body away from the first lens barrel; The main body is also provided with at least one first mounting hole, and each of the first ears is provided with one first mounting hole; The main body is also provided with at least one second mounting hole, and each second ear portion is provided with one second mounting hole.

9. The lens barrel device according to claim 7, It is characterized in that The movable guide rail includes a first sub-segment and a second sub-segment, the first sub-segment and the second sub-segment are spaced apart along the first direction, the first sub-segment is penetrated by the first accommodating hole, and the second sub-segment is penetrated by the second accommodating hole.

10. The lens barrel device according to claim 6, It is characterized in that The second slide rail includes a moving hole provided in the main body; The second sliding portion includes a first hook, and the first hook is hooked on the hole wall of the moving hole; The fourth sliding portion includes a second hook, and the second hook is hooked on the hole wall of the moving hole.

11. The lens barrel device according to claim 10, It is characterized in that The first lens barrel is provided with a first convex portion penetrating the moving hole, the first convex portion is located at one end of the first hook along the second direction, and a surface of the first convex portion facing away from the first hook abuts against a hole wall of the moving hole; The second lens barrel is provided with a second convex portion penetrating the moving hole, the second convex portion is located at one end of the second hook along the second direction, and a surface of the second convex portion facing away from the second hook abuts against a hole wall of the moving hole.

12. The lens barrel device according to claim 11, It is characterized in that The moving hole comprises a first moving hole and a second moving hole; The first hook is hooked on the hole wall of the first movable hole, and the second hook is hooked on the hole wall of the second movable hole.

13. A head mounted display device, It is characterized in that The invention comprises a shell and the lens barrel device according to any one of claims 1 to 12; the lens barrel device is installed in the shell.

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