Head-mounted display device

Abstract

The application provides a head-mounted display device, which comprises a frame body, two visual modules, an adjusting and locking mechanism, and an operation member. The two visual modules are arranged at intervals along a first direction on the frame body, and at least one of the visual modules is movably arranged on the frame body. The adjusting and locking mechanism comprises a transmission mechanism and the operation member. The transmission mechanism is connected with the visual module and is configured to drive the visual module to slide along the first direction and / or drive an adjusting part of the visual module to rotate. The operation member is matched with the transmission mechanism, so that the adjusting and locking mechanism has an unlocked state and a locked state. When the adjusting and locking mechanism is in the unlocked state, the operation member drives the adjusting part of the visual module to rotate and / or drives the visual module to slide along the first direction through the transmission mechanism. When the adjusting and locking mechanism is in the locked state, the operation member locks the visual module to the frame body. In the application, one-key adjustment and locking of the interpupillary distance and the diopter or both are realized through the operation member, and the structure is simpler.

Description

Technical Field

[0001] This application relates to the field of display technology, and more particularly to head-mounted display devices. Background Technology

[0002] With the advancement of technology, Virtual Reality (VR) technology has been widely used in various fields such as entertainment, military training, medical training, and 3D virtual product display because it can provide users with an immersive experience.

[0003] Currently, to improve the user experience, existing virtual reality devices typically include interpupillary distance (IPD) adjustment mechanisms or diopter adjustment mechanisms to allow different users to adjust the IPD or diopter according to their individual needs. However, the IPD or diopter adjustment mechanisms on existing virtual reality devices are not only structurally complex but also have low adjustment convenience, seriously affecting the user experience.

[0004] Application content

[0005] In view of the above problems, this application is made in order to provide a head-mounted display device that solves the above problems.

[0006] In one embodiment of this application, a head-mounted display device is provided, comprising:

[0007] Frame;

[0008] Two visual modules are spaced apart on the frame along a first direction, and at least one of the visual modules is movably disposed on the frame;

[0009] An adjustment locking mechanism is provided, comprising a transmission mechanism and an operating member. The transmission mechanism is connected to the visual module and configured to drive the visual module to slide along the first direction to adjust the interpupillary distance, and / or drive the adjustment part of the visual module to rotate to adjust the diopter. The operating member cooperates with the transmission mechanism to enable the adjustment locking mechanism to have an unlocked state and a locked state.

[0010] When the adjustment locking mechanism is in the unlocked state, the operating member drives the adjustment part of the vision module to rotate and / or drives the vision module to slide along the first direction through the transmission mechanism; when the adjustment locking mechanism is in the locked state, the operating member locks the vision module to the frame.

[0011] The technical solution provided in this application embodiment allows for diopter adjustment by rotating the adjustment part of the vision module via the transmission mechanism when the adjustment locking mechanism is in the unlocked state. Alternatively, the operation component can also drive the vision module to slide along the first direction via the transmission mechanism, thereby achieving interpupillary distance adjustment. After the interpupillary distance and / or diopter adjustment is completed, the operation component can cooperate with the transmission mechanism to lock the vision module in the frame, thus switching the adjustment locking mechanism from the unlocked state to the locked state, thereby simultaneously locking the adjusted interpupillary distance and diopter. In other words, in this application embodiment, by operating the operation component of the adjustment locking mechanism, the adjustment and locking of one or both of the interpupillary distance and diopter can be achieved. This is equivalent to achieving one-click adjustment and locking of one or both of the interpupillary distance and diopter through the operation component, resulting in a simpler structure, higher adjustment convenience, and a better user experience. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of a head-mounted display device provided in an embodiment of this application;

[0014] Figure 2 yes Figure 1 Exploded view of the head-mounted display device shown;

[0015] Figure 3 yes Figure 1 A schematic diagram of the head-mounted display device in a locked state;

[0016] Figure 4 yes Figure 1 A schematic diagram of the head-mounted display device in the unlocked state;

[0017] Figure 5 yes Figure 2 The diagram shows the structure of the visual module.

[0018] Figure 6 yes Figure 2 The diagram shows the structure of the drive shaft.

[0019] Figure 7 yes Figure 2 A partially exploded view of the operating components and drive shaft shown.

[0020] Figure 8 yes Figure 2The schematic diagram of the transmission fixing component shown.

[0021] Figure 9 yes Figure 2 The diagram shows the structure of the damping component.

[0022] Figure 10 yes Figure 2 The diagram shows the structure of the damping fixing component.

[0023] Figure 11 This is a schematic diagram of the structure of another operating component according to an embodiment of this application;

[0024] Figure 12 This is a schematic diagram of another shell structure according to an embodiment of this application.

[0025] Explanation of reference numerals in the attached figures:

[0026] 10: Frame; 11: Frame body; 12: Shell; 121: Second slide groove; 122: Fastening groove; 13: Sliding shaft; 131: First slide shaft; 132: Second slide shaft;

[0027] 20: Vision module; 21: Adjustment part; 211: Second gear structure; 22: Fixing part; 221: Sliding groove;

[0028] 30: Adjusting locking mechanism; 31: Transmission mechanism; 32: Operating component; 321: Fastening part; 322: Buckle; 311: Transmission shaft; 3111: Fastening port; 3112: Receiving groove; 3113: Mating surface; 312: Gear component; 3121: First gear structure; 313: Transmission connecting component; 33: Reset component; 34: Transmission fixing component; 341: Transmission fixing hole; 342: Receiving part; 343: Guide part; 344: Flange; 35: Locking component; 36: Damping component; 361: Damping fixing hole; 362: Sliding plate; 363: Limiting part; 364: Cantilever structure; 3641: Rib; 37: Damping fixing component; 371: Guide hole; 372: First slide groove. Detailed Implementation

[0029] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort are within the scope of protection of the present application.

[0030] It should be noted that in the description of this application, the terms "first" and "second" are used only for convenience in describing different components and should not be construed as indicating or implying a sequential relationship, relative importance, or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0033] Reference Figures 1 to 4 The diagram shows a schematic structural representation of a head-mounted display device according to an embodiment of this application. (Refer to...) Figures 5 to 11 The diagram shows a structural schematic of the vision module, drive shaft, damping fixture, damping component, and drive fixture provided in the embodiments of this application.

[0034] In this embodiment, the head-mounted display device may specifically include: a frame 10; two visual modules 20, spaced apart on the frame 10 along a first direction, with at least one visual module 20 movably mounted on the frame 10; and an adjustment locking mechanism 30, which has an unlocked state and a locked state. When the adjustment locking mechanism 30 is in the unlocked state, it can rotate the adjustment part 21 of the visual module 20 to achieve diopter adjustment, or it can slide the visual module 20 along the first direction to achieve interpupillary distance adjustment. When the adjustment locking mechanism 30 is in the locked state, it locks the visual module 20 to the frame 10.

[0035] In other words, in this application, when the adjustment locking mechanism 30 is in the unlocked state, the interpupillary distance or diopter can be adjusted individually via the operating element 32, or both interpupillary distance and diopter can be adjusted simultaneously. After the interpupillary distance and / or diopter adjustment is completed, the adjustment locking mechanism 30 is switched from the unlocked state to the locked state, locking the visual module 20 to the frame 10, thereby simultaneously locking the adjusted interpupillary distance and diopter.

[0036] It should be noted that the head-mounted display devices described in the embodiments of this application include, but are not limited to, augmented reality (AR) glasses, AR helmets, virtual reality (VR) glasses, and VR helmets.

[0037] The adjustment locking mechanism 30 includes a transmission mechanism 31 and an operating member 32. The transmission mechanism 31 is connected to the vision module 20 and is configured to drive the vision module 20 to slide along a first direction to adjust the interpupillary distance, and / or drive the adjustment part 21 of the vision module 20 to rotate to adjust the diopter. The operating member 32 cooperates with the transmission mechanism 31 to enable the adjustment locking mechanism 30 to have an unlocked state and a locked state. When the adjustment locking mechanism 30 is in the unlocked state, the operating member 32 drives the adjustment part 21 of the vision module 20 to rotate and / or drives the vision module 20 to slide along the first direction through the transmission mechanism 31. When the adjustment locking mechanism 30 is in the locked state, the operating member 32 locks the vision module 20 to the frame 10.

[0038] In this embodiment, when the adjustment locking mechanism 30 is in the unlocked state, the operating member 32 can drive the adjustment part 21 of the vision module 20 to rotate via the transmission mechanism 31, thereby achieving diopter adjustment. Alternatively, the operating member 32 can also drive the vision module 20 to slide along the first direction via the transmission mechanism 31, thereby achieving interpupillary distance adjustment. In other words, in this application, when the adjustment locking mechanism 30 is in the unlocked state, the operating member 32 can be used to adjust either the interpupillary distance or diopter individually, or to adjust both simultaneously. After the interpupillary distance and / or diopter adjustment is completed, the operating member 32 can cooperate with the transmission mechanism 31 to lock the vision module 20 to the frame 10, thereby switching the adjustment locking mechanism 30 from the unlocked state to the locked state, thus simultaneously locking the adjusted interpupillary distance and diopter. In this embodiment, by operating the operating element 32 of the adjustment locking mechanism 30, one or both of the pupillary distance and refractive power functions can be adjusted and locked. This is equivalent to achieving one-click adjustment and locking of pupillary distance and / or refractive power through the operating element 32, which is simpler in structure, more convenient in adjustment, and better in user experience.

[0039] It should be noted that in this embodiment, the adjustment locking mechanism 30 is set in a one-to-one correspondence with the visual module 20. Each visual module 20 can adjust and lock one or both of the interpupillary distance and diopter through the operating part 32 of its corresponding adjustment locking mechanism 30.

[0040] In this embodiment, the frame 10 serves to support and accommodate the vision module 20 and the adjusting locking mechanism 30. Specifically, the frame 10 may be provided with a sliding or rotating space for the vision module 20, so as to guide the installation of the vision module 20 and make the installation and removal of the vision module 20 more convenient.

[0041] In this embodiment, the frame 10 may specifically include a frame body 11 and a housing 12 connected to the frame body 11. In this embodiment, the visual module 20 is disposed on the frame body 11, and the housing 12 may be the outer shell of the head-mounted display device or other supporting, fixing, or housing structure for some components of the head-mounted display device. In practical applications, the frame body 11 and the housing 12 may be an integrally formed structure or detachably connected. In this embodiment, the detachable connection between the frame body 11 and the housing 12 is used as an example for illustrative purposes. The housing 12 may be the outer shell of the head-mounted display device.

[0042] In this embodiment of the application, the first direction can be understood as the interpupillary distance adjustment direction. Figures 1 to 4 The left and right directions are shown. By moving at least one of the two visual modules 20 closer to or further away from the other visual module 20 along the first direction, the distance between the two visual modules 20 is adjusted, thereby achieving the effect of interpupillary distance adjustment.

[0043] In this embodiment, the visual module 20 may include a rotatable adjustment part 21, and a transmission mechanism 31 is connected to the adjustment part 21. The transmission mechanism 31 drives the adjustment part 21 to rotate in order to adjust the diopter.

[0044] In this embodiment, locking the visual module 20 to the frame 10 means that neither interpupillary distance adjustment nor diopter adjustment is possible; that is, both interpupillary distance and diopter are locked simultaneously. In this embodiment, the operation component 32 can be locked to the frame through the cooperation between the transmission mechanism 31 and the operation component 32, thereby locking the visual module 20 to the frame 10 or unlocking it from the frame 10, resulting in a simpler structure.

[0045] Specifically, the operating component 32 and the transmission mechanism 31 can have a synchronous motion state and a relative motion state; when the operating component 32 and the transmission mechanism 31 are in the synchronous motion state, the operating component 32 drives the transmission mechanism 31 to rotate, thereby driving the vision module 20 to rotate, and / or, the operating component 32 drives the transmission mechanism 31 to slide along the first direction, thereby driving the vision module 20 to slide along the first direction as well; when the operating component 32 and the transmission mechanism 31 are in the relative motion state, the operating component 32 locks the vision module 20 to the frame 10.

[0046] It should be noted that when the operating component 32 and the transmission mechanism 31 are in a state of synchronous movement, the operating component 32 and the transmission mechanism 31 can rotate synchronously or slide synchronously along the first direction. In this embodiment, the rotation direction of the operating component 32 and the transmission mechanism 31 is different from the rotation direction of the vision module 20, and the transmission mechanism 31 can also change the direction of movement.

[0047] In this embodiment, when the operating member 32 and the transmission mechanism 31 are in a state of relative movement, the operating member 32 is configured to move along the axial direction of the transmission mechanism 31, thereby approaching or moving away from the frame 10. When the operating member 32 approaches the frame 10, the operating member 32 is locked onto the frame 10. When the operating member 32 moves away from the frame 10, the operating member 32 separates from the frame 10, and the operating member 32 is released from its lock on the frame 10. This embodiment simplifies the operation of the operating member 32. It should be noted that there are many ways for the operating member 32 to be locked onto the frame 10 when it approaches the frame 10, including abutment, snap-fit, magnetic connection, and other implementation methods.

[0048] In this embodiment, when the operating member 32 and the transmission mechanism 31 are in a state of relative motion, the operating member 32 and the transmission mechanism 31 can be screwed together. During the screwing process, the operating member 32 can move closer to or further away from the frame 10 to lock the operating member 32 onto the frame 10, thereby locking the vision module 20 onto the frame 10, or the operating member 32 can be released from its lock onto the frame 10, thereby releasing the vision module 20 from its lock onto the frame 10. Specifically, when the operating member 32 is rotated to abut against the frame 10, the operating member 32 is locked onto the frame 10, thereby locking the vision module 20 onto the frame 10; when the operating member 32 is rotated away from the frame 10, the operating member 32 is released from its lock onto the frame 10, thereby releasing the vision module 20 from its lock onto the frame 10. In this embodiment, the principle of the screwing connection between the operating member 32 and the transmission mechanism 31 can be understood as similar to threaded engagement. In this embodiment, the process of axial movement of the operating member 32 (moving closer to or away from the frame 10) and the locking or unlocking process are integrated during the rotation of the operating member 32. The design is ingenious, the structure is simple, and the operation is convenient.

[0049] In this embodiment, the transmission mechanism 31 may be provided with a transmission shaft 311, and the operating member 32 is sleeved on the transmission shaft 311. The operating member 32 is configured to move axially relative to the transmission shaft 311, so that the operating member 32 and the transmission shaft 311 can switch between a synchronous movement state and a relative movement state. In this embodiment, the axial direction of the transmission mechanism 31 and the axial direction of the transmission shaft 311 can be understood as being in the same direction, and the operating member 32 can move along the axial direction of the transmission shaft 311 towards or away from the frame 10.

[0050] In practical applications, the direction in which the operating member 32 approaches the frame 10 along the axial direction of the transmission shaft 311 can be configured to switch the operating member 32 and the transmission shaft 311 to a state of relative motion. Conversely, the direction in which the operating member 32 moves away from the frame 10 along the axial direction of the transmission shaft 311 can be configured to switch the operating member 32 and the transmission shaft 311 to a state of synchronous motion. Alternatively, the direction in which the operating member 32 approaches the frame 10 along the axial direction of the transmission shaft 311 can be configured to switch the operating member 32 and the transmission shaft 311 to a state of synchronous motion. Conversely, the direction in which the operating member 32 moves away from the frame 10 along the axial direction of the transmission shaft 311 can be configured to switch the operating member 32 and the transmission shaft 311 to a state of relative motion. Those skilled in the art can configure these settings according to actual circumstances; this application does not limit this.

[0051] In the embodiments of this application, there are various structures and connection methods for achieving synchronous movement between the operating member 32 and the transmission shaft 311. For example, the operating member 32 and the transmission mechanism 31 can be locked together by means of snap-fitting, clamping, or fasteners, so that the operating member 32 and the transmission shaft 311 cannot move relative to each other along the circumference of the transmission shaft 311, thereby achieving synchronous movement between the operating member 32 and the transmission shaft 311.

[0052] In some feasible embodiments of this application, the operating member 32 and the transmission shaft 311 can be interlocked to enable the operating member 32 and the transmission mechanism 31 to move synchronously. Specifically, the transmission shaft 311 may be provided with an interlocking opening 3111 along the axial direction of the transmission shaft 311 (e.g., ...). Figure 6 and Figure 7 As shown), the operating member 32 is provided with a fastening part 321 that mates with the fastening opening 3111 (as shown). Figure 7 (as shown); and / or, the drive shaft 311 is provided with a fastening part, and the operating member 32 is provided with a fastening port that opens along the axial direction of the drive shaft 311, the fastening port engaging with the fastening part; when the fastening part 321 is located inside the fastening port 3111, the operating member 32 and the transmission mechanism 31 are in a state of synchronous movement; when the fastening part 321 is located in a first position outside the fastening port 3111, the operating member 32 and the transmission mechanism 31 enter a state of relative movement; when the fastening part 321 is located in a second position outside the fastening port 3111, the operating member 32 is locked onto the frame 10, and thus the visual module 20 is locked onto the frame 10; of the first position and the second position, one is a position on the drive shaft 311 close to the frame 10, and the other is a position on the drive shaft 311 away from the frame 10.

[0053] It should be noted that the opening direction of the fastening opening 3111 can be set to face towards the frame 10 or away from the frame 10. When the fastening part 321 is in the first position, the distance between the fastening part 321 and the fastening opening 3111 can be understood as the first distance; when the fastening part 321 is in the second position, the distance between the fastening part 321 and the fastening opening 3111 can be understood as the second distance. The first distance is less than the second distance. In this embodiment, when the fastening part 321 is in the first position, it can be understood as the position where the fastening part 321 has just disengaged from the fastening opening 3111; when the fastening part 321 is in the second position, it can be understood as the fastening opening 3111 has moved axially along the transmission shaft 311 to a position away from the fastening opening 3111.

[0054] like Figure 6 This illustration shows a schematic diagram of the positions of the first position A and the second position B on the drive shaft in an embodiment of this application. In this embodiment, the first position A is a position on the drive shaft 311 away from the frame, and the second position B is a position on the drive shaft 311 close to the frame, as an example for illustrative purposes.

[0055] In this embodiment, when the fastening part 321 is located at the fastening opening 3111, the operating member 32 and the transmission shaft 311 are locked together, and the operating member 32 and the transmission shaft 311 cannot rotate relative to each other. The operating member 32 and the transmission shaft 311 can rotate synchronously or slide synchronously along the first direction. Since the fastening opening 3111 is circumferentially open along the transmission shaft 311, pressing or pulling the operating member 32 along the axial direction of the transmission shaft 311 will cause the operating member 32 to move along the axial direction of the transmission shaft 311, thereby disengaging the fastening part 321 from the fastening opening 3111. Then, the mutual locking between the operating member 32 and the transmission shaft 311 is released, and the operating member 32 and the transmission shaft 311 are switched to a state where they can move relative to each other. The operating member 32 can rotate relative to the transmission shaft 311.

[0056] like Figure 6 As shown, in some embodiments of this application, a receiving groove 3112 extending circumferentially along the drive shaft 311 may also be provided on the drive shaft 311; when the fastening part 321 disengages from the fastening port 3111 and is located at the first position A of the drive shaft 311, the operating member 32 and the drive shaft 311 enter a state where they can move relative to each other; when the fastening part 321 disengages from the fastening port 3111 and rotates along the receiving groove 3112 to the second position B of the drive shaft 311, the operating member 32 is locked onto the frame 10, and thus the visual module 20 is locked onto the frame 10. In the embodiments of this application, when the operating member 32 rotates around the drive shaft 311, the receiving groove 3112 can guide and limit the fastening part 321.

[0057] In this embodiment, after the fastening part 321 is disengaged from the fastening port 3111, the operating member 32 can be rotated to make the operating member 32 rotate along the receiving groove, thereby causing relative rotation between it and the transmission shaft 311. In this way, the receiving groove 3112 can guide and limit the rotation of the operating member 32, making the rotation of the operating member 32 simpler and more reliable.

[0058] In some embodiments of this application, the receiving groove 3112 can be a spiral groove; when the fastening part 321 disengages from the fastening port 3111 and rotates along the spiral groove toward the direction close to the frame 10 to the second position B of the drive shaft 311, the operating member 32 is locked to the frame 10, and thus the vision module 20 is locked to the frame 10.

[0059] In other embodiments of this application, the helical fit between the operating element 32 and the transmission shaft 311 can also be achieved in the following ways: (e.g.) Figure 6 As shown, the receiving groove 3112 can be configured to have a mating surface 3113 that mates with the fastening part 321. The mating surface 3113 is an inclined surface that is circumferentially inclined along the drive shaft 311. The fastening part 321 rotates along the mating surface 3113 toward the direction close to the frame 10 to the second position B of the drive shaft 311. In the embodiments of this application, the helical engagement between the operating member 32 and the drive shaft 311 can be achieved in various ways, such as configuring the receiving groove 3112 as a helical groove, or configuring the mating surface 3113 of the receiving groove 3112 and the fastening part 321 as an inclined surface that is circumferentially inclined along the drive shaft 311.

[0060] In this embodiment, the width of the receiving groove 3112 can decrease sequentially or remain constant in the direction from the operating member 32 to the frame 10. Those skilled in the art can set it according to the actual situation.

[0061] In this embodiment, the operating member 32 rotates along the receiving groove 3112, thereby switching between the first position A and the second position B of the transmission shaft 311. In turn, the visual module 20 is locked to the frame 10 or unlocked on the frame 10 by the cooperation between the operating member 32 and the transmission shaft 311, which can make the locking accuracy of the operating member 32 on the visual module 20 higher.

[0062] In some embodiments of this application, the switching structure of the operating member 32 between the first position A and the second position B of the transmission shaft 311 can also be achieved by threaded locking. Specifically, an external thread is provided on the transmission shaft 311, and an internal thread that mates with the external thread is provided on the operating member 32. When the engaging part 321 disengages from the engaging opening 3111, the internal thread of the operating member 32 engages with the external thread of the transmission shaft 311, so that the operating member 32 switches between the first position and the second position along the axial direction of the transmission shaft 311. In the embodiments of this application, the threaded connection between the operating member 32 and the transmission shaft 311 simplifies the switching structure of the operating member 32 between the first position and the second position and improves the locking accuracy of the vision module 20 on the frame 10.

[0063] Reference Figure 11 and Figure 12 In this embodiment, the locking of the operating element 32 to the frame 10 can also be achieved through a snap-fit ​​connection between the two. Specifically, one of the frame 10 and the operating element 32 is provided with a snap-fit ​​groove (e.g., Figure 12 The other one has a snap-fit ​​(as shown in the snap-fit ​​slot 122), and the other one has a snap-fit ​​(such as...). Figure 11 (See buckle 322); When the operating member 32 and the transmission mechanism 31 are in a state of relative movement, and the operating member 32 is close to the frame 10, if the fastening part 321 is located at the second position B outside the fastening opening 3111, the buckle 322 is engaged in the engaging groove 122, and the operating member 32 is locked on the frame 10. The engaging groove 122 can be a strip-shaped groove, so that the operating member 32 can be locked and unlocked when it moves to different positions to adjust the diopter. When the buckle 322 is engaged in the engaging groove 122, the engaging groove 122 can generate a damping force on the buckle 322, so that the operating member 32 can be fixed in the strip-shaped groove. Alternatively, the engaging groove 122 can also include multiple sub-engaging grooves, each of which is adapted to the shape of the buckle 322. When the operating member 32 moves to different positions to adjust the diopter, it is engaged and fixed with the corresponding sub-engaging groove. In this embodiment, the operating element 32 is connected to the frame 10 via a snap-fit ​​connection, thereby locking the operating element 32 onto the frame 10. This design is simple and convenient. It should be noted that the specific structure of the snap-fit ​​322 and the snap-fit ​​groove 122 is not limited to the illustrated embodiment, nor is it limited to the listed embodiments. Those skilled in the art can design according to actual needs.

[0064] It should be noted that, in this embodiment of the application, the snap-fit ​​groove 122 is provided on the housing 12 as an example for illustrative purposes. The snap-fit ​​groove 122 can also be provided on the frame body 11, for example, by providing a protrusion on the frame body 11.

[0065] In practical applications, to ensure greater structural stability and more reliable engagement between the operating component 32 and the transmission shaft 311 when they are in a state of synchronized movement, two engagement parts 321 and two engagement openings 3111 can be provided. The engagement parts 321 and engagement openings 3111 correspond one-to-one, and the two engagement parts 321 are symmetrically arranged along the circumference of the transmission shaft 311. Correspondingly, the engagement openings 3111 are also evenly arranged along the circumference of the transmission shaft 311. Of course, the number of engagement parts 321 and engagement openings 3111 can also be three or more, as can be determined by those skilled in the art according to actual needs; this will not be elaborated upon here.

[0066] In this embodiment, the operating element 32 may specifically include a pulsator structure, or an adjusting pulsator with the same function as the pulsator structure. In this embodiment, the pulsator structure and the drive shaft 311 can be understood as matching components. Through the cooperation between the drive shaft 311 and the pulsator structure, the effect of locking or unlocking the vision module 20 is achieved.

[0067] In this embodiment, the adjusting locking mechanism 30 may further include a reset member 33; the reset member 33 is used to provide an elastic restoring force to the operating member 32, so that the operating member 32 is reset from a relatively movable state to a synchronously movable state, or from a synchronously movable state to a relatively movable state. In a further embodiment, after the operating member 32 is released from locking on the frame 10, the reset member 33 drives the operating member 32 to reset from a relatively movable state to a synchronously movable state.

[0068] Specifically, one end of the reset member 33 is connected to the operating member 32. The reset member 33 provides an elastic restoring force to the operating member 32, so that the fastening part 321 is located within or disengaged from the fastening opening 3111. The other end of the reset member 33 can be connected to the drive shaft 311 or the frame 10. In this embodiment, when the operating member 32 is unlocked from the frame 10 and is not subjected to external force, the elastic restoring force of the reset member 33 (at this time, the reset member 33 can be in a stretched state) can be used to reset or retain the fastening part 321 within the fastening opening 3111, that is, the operating member 32 and the drive shaft 311 are normally in a state of synchronous movement. For example, as Figure 6 As shown, when the engaging part 321 rotates from the second position B to the first position A, it automatically enters the engaging opening 3111 under the action of the reset member 33. Alternatively, when the operating member 32 is not subjected to external force, the elastic restoring force of the reset member 33 (at this time, the reset member 33 can be in a compressed state) can be used to keep the engaging part 321 always outside the engaging opening 3111, that is, the operating member 32 and the transmission shaft 311 are normally in a state of relative motion.

[0069] Specifically, the reset element 33 may include at least one of the following: a spring, a spring sheet, an elastic post, and an elastic rope. In practical applications, the reset element 33 may also be made of elastic materials such as rubber rings. In this embodiment, when the reset element 33 is a spring, the spring can be sleeved on the transmission shaft 311, so that the transmission shaft 311 can limit the spring. Of course, in practical applications, in order to make the installation and connection between the reset element 33 and the operating element 32 and the transmission shaft 311 more stable, at least one of the operating element 32 and the transmission shaft 311 may also be provided with a reset element 33 mounting groove, so that the reset element 33 can be guided and limited by the reset element 33 mounting groove.

[0070] In this embodiment, the structure in which the operating member 32 drives the adjustment part 21 of the vision module 20 to rotate via the transmission mechanism 31 can be implemented in various ways. For example, the transmission mechanism 31 and the adjustment part 21 can be connected by various transmission mechanisms 31, such as gear transmission, worm gear, and belt transmission. In one feasible embodiment, the specific structure of the gear transmission between the transmission mechanism 31 and the adjustment part 21 can be as follows: a first gear structure 3121 is provided at one end of the transmission mechanism 31 near the frame 10; a second gear structure 211 is provided on the adjustment part 21, and the second gear structure 211 meshes with the first gear structure 3121. In this embodiment, through the meshing between the first gear structure 3121 and the second gear structure 211, the adjustment part 21 can be rotated from 0 to 360°, thereby achieving stepless adjustment of the refractive power, which can make the adjustment range of the refractive power wider and the adjustment accuracy higher.

[0071] Specifically, the first gear structure 3121 can be one of a bevel gear, helical gear, or spur gear. For example... Figure 2 As shown in the illustration, in this embodiment, the first gear structure 3121 is a bevel gear as an example. In this embodiment, the first gear structure 3121 can be mounted on a gear component 312, which is connected to a transmission shaft 311 via a transmission connector 313 to form a transmission mechanism 31. In this embodiment, the gear component 312 and the transmission shaft 311 can be finished parts with low cost and wide applicability. The transmission connector 313 can act as a connecting bolt, fixing the gear component 312 and the transmission shaft 311 together. In this embodiment, by dividing the transmission mechanism 31 into two parts, the gear component 312 and the transmission shaft 311, the structure of the transmission mechanism 31 can be simplified and the processing cost reduced.

[0072] It should be noted that the transmission mechanism 31 can also be a one-piece molded structure to improve the overall structural strength of the transmission mechanism 31. When the transmission mechanism 31 is a one-piece molded structure, the first gear structure 3121 can be machined at one end of the transmission mechanism 31, and the transmission shaft 311 structure that cooperates with the operating member 32 can be machined at the other end.

[0073] In practical applications, when the transmission mechanism 31 and the adjustment part 21 can be driven by a worm gear, a worm structure can be provided at one end of the transmission mechanism 31 near the adjustment part 21, and a worm wheel structure can be provided in the adjustment part 21. Through the meshing between the worm structure and the worm wheel structure, the worm gear drive can drive the adjustment part 21 to rotate, thereby achieving the purpose of adjusting the refractive power of the adjustment part 21.

[0074] In this embodiment, to ensure that the first gear structure 3121 and the second gear structure 211 remain in a meshed state, the adjusting locking mechanism 30 may further include a transmission fixing member 34; the transmission mechanism 31 is fixed to the vision module 20 via the transmission fixing member 34, which is used to maintain the meshing state of the first gear structure 3121 and the second gear structure 211. In this embodiment, the transmission fixing member 34 serves to connect the transmission mechanism 31 and the vision module 20. It is understood that the transmission fixing member 34 can be fixed to the vision module 20 using fasteners such as screws, allowing for a detachable connection between the transmission fixing member 34 and the vision module 20, thus improving the ease of installation and removal between the transmission fixing member 34 and the vision module 20.

[0075] like Figure 8 As shown, a transmission fixing hole 341 may be provided on the transmission fixing member 34; the other end of the transmission mechanism 31 passes through the transmission fixing hole 341 and is connected to the operating member 32. In this embodiment, by having the transmission mechanism 31 pass through the transmission fixing hole 341 of the transmission fixing member 34, the fixing of the transmission mechanism 31 by the transmission fixing member 34 is more reliable and the fixing structure is simpler.

[0076] In this embodiment, the transmission fixing member 34 may specifically include: a receiving portion 342 and a guide portion 343; a receiving space is formed between the receiving portion 342 and the vision module 20 to accommodate the first gear structure 3121, so that the first gear structure 3121 can rotate with the transmission mechanism 31 within the receiving space; a transmission fixing hole 341 is provided on the guide portion 343, and by providing the transmission fixing hole 341 on the guide portion 343, the transmission mechanism 31 is supported and fixed, resulting in a simpler and more reliable structure. It should be noted that the structural shape of the receiving space formed between the receiving portion 342 and the vision module 20 can match the structural shape of the first gear structure 3121 to better fix the first gear structure 3121.

[0077] In this embodiment, to make the meshing structure between the first gear structure 3121 and the second gear structure 211 more stable and to prevent damage to the first gear structure 3121 and the second gear structure 211 caused by the movement of the transmission mechanism 31 toward the frame 10, the adjusting locking mechanism 30 may further include: a locking member 35, wherein a locking groove is provided on the transmission mechanism 31 near the transmission fixing hole 341; the locking member 35 is embedded in the locking groove, and the locking member 35 abuts against the end face of the transmission fixing member 34 near the operating member 32 to limit the movement of the transmission mechanism 31 toward the frame 10. In this embodiment, by embedding the locking member 35 in the locking groove, the installation structure of the locking member 35 can be made simpler and more reliable. The locking member 35 abuts against the end face of the transmission fixing member 34 near the operating member 32. Thus, when the transmission mechanism 31 moves in the direction of the frame 10, the transmission fixing member 34 can restrict the locking member 35 from moving axially along the transmission mechanism 31 because the locking member 35 abuts against the end face of the transmission fixing member 34. In this way, the locking member 35 can limit the transmission mechanism 31. Of course, conversely, when the transmission fixing member 34 moves away from the frame 10, the locking member 35 can also limit the transmission fixing member 34 accordingly.

[0078] In this embodiment, to improve the limiting effect of the locking member 35 on the transmission mechanism 31 and to make the limiting force of the locking member 35 on the transmission mechanism 31 more uniform, the locking member 35 can be configured to at least partially surround the circumference of the transmission mechanism 31. Specifically, the locking member 35 can be a retaining spring, an elastic snap-fit ​​member, etc. For example, when the locking member 35 is a retaining spring, it can be sleeved on the transmission mechanism 31 and disposed in the locking groove.

[0079] In this embodiment, the transmission mechanism 31 can also have a damping effect when it drives the vision module 20 to rotate or slide along the first direction. For example... Figures 2 to 4As shown, the adjustment locking mechanism 30 also includes a damping element 36. The damping element 36 is connected to the frame 10 and the transmission mechanism 31 respectively, and the damping element 36 slides synchronously with the transmission mechanism 31 along the first direction. The damping element 36 is used to provide damping force for the transmission mechanism 31 to slide relative to the frame 10. In this embodiment, since the damping element 36 slides synchronously with the transmission mechanism 31 on the frame 10 along the first direction, during the process of the transmission mechanism 31 driving the visual module 20 to slide, the damping element 36 can provide damping force for the transmission mechanism 31 to slide along the frame 10 in real time, which can effectively avoid the shaking of the transmission mechanism 31 during the sliding process. On the one hand, it can improve the stability of the transmission mechanism 31 during the sliding process. On the other hand, it can also provide the transmission mechanism 31 with a locking force to slide along the frame 10. After the transmission mechanism 31 drives the visual module 20 to slide to the required interpupillary distance position, due to the existence of the damping force provided by the damping element 36, the visual module 20 can be accurately positioned at the required position. Therefore, the damping force provided by the damping element 36 can also effectively improve the interpupillary distance adjustment accuracy.

[0080] It should be noted that when the vision module 20 is mounted on the frame body 11, the damping element in the above embodiments can be understood as being connected to the frame body 11 to provide damping force for the vision module 20 to slide or rotate on the frame body 11.

[0081] In some feasible embodiments, the adjusting locking mechanism 30 may further include: a damping fixing member 37; the damping fixing member 37 is connected to the frame 10, and the damping fixing member 37 is provided with a guide hole 371 extending in a first direction; a damping member 36 is at least partially embedded in the guide hole 371, and the damping member 36 is provided with a damping fixing hole 361; the other end of the transmission mechanism 31 passes through the damping fixing hole 361 and the guide hole 371 in sequence and is connected to the operating member 32. In this embodiment, the damping fixing member 37 can limit and guide the damping member 36. The transmission mechanism 31 can be interference-fitted with the damping member 36 in the damping fixing hole 361, so that when the transmission mechanism 31 rotates in the damping fixing hole 361 (during the refractive power adjustment of the vision module 20), the damping member 36 can also provide damping force to the transmission mechanism 31. In this embodiment, the damping element 36 is at least partially embedded in the guide hole 371, and the transmission mechanism 31 passes through the damping fixing hole 361 and the guide hole 371 in sequence, thereby forming a nested relationship between the transmission mechanism 31, the damping element 36 and the damping fixing element 37. This can effectively improve the stability of the transmission mechanism 31 driving the damping element 36 to slide in the guide hole 371, and make the damping effect of the damping element 36 better.

[0082] It should be noted that in the embodiments of this application, the operation member 32 is locked to the frame 10. This can be understood as the operation member 32 being directly connected to the frame 10 for locking, or it can be understood as the operation member 32 being indirectly locked to the frame 10 by locking to components such as the damping fixing member 37 that are connected to the frame 10.

[0083] like Figure 9 Combination Figure 10 As shown, the damping member 36 may specifically include a sliding plate 362 and a limiting part 363 disposed on one side of the sliding plate 362; the damping fixing hole 361 passes through the sliding plate 362 and the limiting part 363 along the axial direction of the transmission mechanism 31; the damping fixing member 37 is provided with a first sliding groove 372 that cooperates with the sliding plate 362, the sliding plate 362 is located in the first sliding groove 372, and the limiting part 363 is at least partially embedded in the guide hole 371. In this embodiment, the damping fixing hole 361 passes through the sliding plate 362 and the limiting part 363 along the axial direction of the transmission mechanism 31, which can make the connection between the transmission mechanism 31 and the damping member 36 more reliable. Moreover, by sliding the sliding plate 362 in the first sliding groove 372 and the limiting part 363 being at least partially embedded in the guide hole 371, a nested relationship is formed between the damping fixing member 37 and the damping member 36, further enhancing the supporting, limiting, and guiding role of the damping fixing member 37 on the damping member 36.

[0084] like Figure 2 and Figure 10 As shown, the first groove 372 can be formed by two opposing ribs 3641, both of which extend along a first direction, and a space for accommodating the sliding plate 362 is formed between them. Of course, the first groove 372 can also be in other structural forms, for example, the first groove 372 can be an elongated hole.

[0085] In this embodiment, an interference fit can be provided between the damping element 36 and the frame 10 to provide damping force for the transmission mechanism 31 to slide relative to the frame 10. For example, the interference fit between the damping element 36 and the frame 10 can specifically be: a cantilever structure 364 can be provided on the other side of the sliding plate 362, and the cantilever structure 364 extends out of the first sliding groove 372 and is interference-fitted with the frame 10. Through the elastic deformation of the cantilever structure 364, the damping element 36 provides a suitable damping force to the transmission mechanism 31, effectively avoiding the problem of excessive resistance from the frame 10 to the sliding of the damping element 36, which would hinder sliding.

[0086] like Figure 2 and Figure 9As shown in this embodiment, the cantilever structure 364 is provided with a rib 3641 on the side opposite to the frame 10. The rib 3641 extends along the first direction and is interference-fitted with the frame 10. Thus, the rib 3641 can effectively reduce the contact area between the damping member 36 and the frame 10, making the sliding friction between the damping member 36 and the frame 10 smaller, and the damping force provided by the damping member 36 is also smaller. This makes the sliding process of the transmission mechanism 31 driving the vision module 20 smoother and the interpupillary distance adjustment effect better.

[0087] like Figure 9 As shown, a cantilever structure 364 can also be symmetrically arranged on both sides of the first center plane of the sliding plate 362. The first center plane is the center plane of the sliding plate 362 parallel to the first direction. In this way, the damping force provided by the damping component 36 to the transmission mechanism 31 can be more uniform, making the transmission mechanism 31 drive the vision module 20 to slide more stably along the first direction and avoiding shaking.

[0088] In this embodiment, the transmission fixing member 34 and the damping member 36 can also form a sleeve structure to improve the overall stability when the transmission mechanism 31 drives the vision module 20 to rotate or slide along the first direction. Specifically, the adjusting locking mechanism 30 may further include: a transmission fixing member 34; the transmission fixing member 34 is disposed between the damping member 36 and the vision module 20, and the transmission fixing member 34 is provided with a transmission fixing hole 341; the other end of the transmission mechanism 31 passes through the transmission fixing hole 341, the damping fixing hole 361, and the guide hole 371 in sequence and is connected to the operating member 32. In this embodiment, the transmission fixing member 34 can serve to connect the transmission mechanism 31 and the vision module 20. Other structures and functions of the transmission fixing member 34 can be referred to the explanations of the transmission fixing member 34 in the above embodiments. In this embodiment, the structure and relationship between the transmission fixing member 34, the damping member 36, and the transmission mechanism 31 are mainly explained.

[0089] like Figures 3 to 4 In this embodiment, by placing the transmission fixing member 34 between the damping member 36 and the vision module 20, and having the other end of the transmission mechanism 31 pass through the transmission fixing hole 341 and the damping fixing hole 361 in sequence, the transmission mechanism 31 connects the vision module 20, the transmission fixing member 34 and the damping member 36 to form a whole. The transmission mechanism 31 can simultaneously drive the vision module 20, the transmission fixing member 34 and the damping member 36 to slide along the first direction.

[0090] In this embodiment, to make the connection between the transmission mechanism 31, the transmission fixing member 34, and the damping member 36 more stable and reliable, they can also be nested together. Specifically, the transmission fixing member 34 can also be provided with a guide portion 343, which is at least partially embedded in the damping fixing hole 361. The transmission fixing hole 341 passes through the guide portion 343 along the axial direction of the transmission mechanism 31. In this way, the transmission fixing member 34 is at least partially embedded in the damping fixing hole 361 through the guide portion 343, thereby forming a nested relationship between the transmission fixing member 34 and the damping member 36.

[0091] like Figure 8 As shown in this embodiment, the transmission fixing member 34 is further provided with a flange 344. The flange 344 extends toward the damping fixing member 37 and abuts against the damping fixing member 37. In this way, when the transmission fixing member 34 is subjected to the downward pulling force of the transmission mechanism 31, the force on the transmission fixing member 34 can be distributed to the damping fixing member 37, so as to avoid the transmission fixing member 34 transmitting the force to the vision module 20, causing the position of the vision module 20 on the frame 10 to shift.

[0092] In practical applications, two or more flanges 344 can be provided along the circumference of the transmission mechanism 31 to achieve a better force dispersion effect. Alternatively, the flanges 344 can extend in a ring shape along the circumferential direction of the transmission mechanism 31 on the transmission fixing member 34. Those skilled in the art can select the specific structure of the flanges 344 according to the actual situation; the embodiments in this application only provide illustrative examples.

[0093] In this embodiment, to facilitate locking the operating member 32, the housing 12 can be located between the damping fixing member 37 and the operating member 32. A second sliding groove 121 is provided on the housing 12. The other end of the transmission mechanism 31 passes through the second sliding groove 121 and connects to the operating member 32. The operating member 32 screws into the transmission mechanism 31 and abuts against the frame body 11 or the housing 12 to lock the visual module 20 to the frame 10. Alternatively, the operating member 32 screws into the transmission mechanism 31 and separates from the frame body 11 or the housing 12 to release the visual module 20 from the frame 10. In this embodiment, the housing 12 serves both as a support between the operating member 32 and the frame 10, and as a shield, enhancing the aesthetic appearance of the head-mounted display device.

[0094] In practical applications, the operating element 32 can be directly locked to the frame body 11, or the operating element 32 can also be locked to the housing 12. Those skilled in the art can set it according to actual needs.

[0095] In this embodiment, the vision module 20 can be slidably mounted on the frame 10 via the sliding shaft 13, so that the vision module 20 can slide along the first direction under the drive of the transmission mechanism 31. Specifically, the sliding shaft 13 can be mounted on the frame 10 and extend along the first direction; the vision module 20 also includes a fixing part 22 (e.g., Figure 5 As shown, the fixing part 22 is slidably disposed on the sliding shaft 13. In practical applications, the fixing part 22 can be disposed on the outer shell of the vision module 20. It should be noted that the vision module 20 may also be without the fixing part 22, and the vision module 20 can slide entirely on the frame 10.

[0096] like Figure 5 As shown, in order to make the connection between the fixed part 22 and the sliding shaft 13 simpler and more reliable, the fixed part 22 may be provided with a sliding groove 221 and / or a sliding hole. The sliding shaft 13 can be movably embedded in the sliding groove 221 or the sliding hole, so that the sliding groove 221 or the sliding hole can play a limiting and guiding role, making the visual module 20 more stable when sliding along the first direction.

[0097] It should be noted that each vision module 20 may be provided with one or two sliding axes 13. For example, in order to make the sliding of the vision module 20 more stable along the first direction, each vision module 20 may be provided with two sliding axes 13, which are spaced apart and extend along the first direction to effectively support the upper and lower sides of the vision module 20.

[0098] like Figure 1 and Figure 2 As shown in some embodiments of this application, the sliding shaft 13 may specifically include a first sliding shaft 131 and two second sliding shafts 132. The length of the first sliding shaft 131 is greater than that of the second sliding shafts 132. The first sliding shaft 131 can be connected to two visual modules 20 respectively. The first sliding shaft 131 can keep the two visual modules 20 on the same horizontal line, effectively avoiding horizontal position deviation between the two visual modules 20. Each second sliding shaft 132 corresponds to one visual module 20. The second sliding shaft 132 is parallel to the first sliding shaft 131, so as to cooperate with the first sliding shaft 131 to provide better support and fixation for the visual module 20.

[0099] It is understood that there are various other structures in which the visual module 20 can be slidably disposed on the frame 10 along the first direction. For example, by providing a guide rail extending along the first direction on the frame 10, the visual module 20 can be slidably disposed on the guide rail, which can also achieve the sliding connection of the visual module 20 on the frame 10 along the first direction. This application embodiment only provides an exemplary description. Those skilled in the art can also make adaptive structural improvements to the above-mentioned components such as the sliding shaft 13, guide rail, frame 10, and visual module 20 mentioned in the application embodiment to achieve a better sliding connection effect.

[0100] The following explanation, in conjunction with the accompanying drawings, illustrates how the operation component 32 and the transmission mechanism 31 cooperate to enable the visual module 20 to be unlocked and locked on the frame 10 in accordance with the embodiments of this application.

[0101] like Figure 3 The diagram shown is a cross-sectional view of the locking mechanism 30 when it is in the unlocked state; as shown... Figure 4 The diagram shown is a cross-sectional view of the adjusting locking mechanism 30 when it is in the locked state.

[0102] like Figure 3 When the locking mechanism 30 is in the unlocked state, the operating member 32 is also separated from the housing 12. Under the action of the reset member 33, the operating member 32 and the transmission shaft 311 are fastened together by the fastening part 321 and the fastening port 3111. Thus, the operating member 32 and the transmission shaft 311 are in a state of synchronous movement. At this time, the operating member 32, the transmission shaft 311 and the gear member 312 can be regarded as a whole that can rotate or slide synchronously. When an external force is applied to the operating member 32 to rotate the operating member 32, the operating member 32 drives the transmission shaft 311 to rotate synchronously. Since the transmission shaft 311 and the gear member 312 are fixedly connected, the transmission shaft 311 drives the gear member 312 to rotate. Since the first gear structure 3121 of the gear member 312 meshes with the second gear structure 211 on the adjustment part 21, the gear member 312 drives the adjustment part 21 to rotate. Thus, the purpose of adjusting the refractive power is finally achieved through the rotation of the adjustment part 21.

[0103] exist Figure 3 In the state shown, a first direction is applied to the operating member 32. Figure 3When an external force (in the left-right direction as shown) is applied, the operating member 32, the transmission shaft 311, and the gear member 312 slide synchronously. Since the transmission mechanism 31 formed by the transmission shaft 311 and the gear member 312 has a nested relationship with the damping member, the damping member 36 slides synchronously with the transmission shaft 311 and the gear member 312 in the first groove 372 of the damping fixing member 37 to achieve a damping effect. Since the transmission fixing member 34 connects the gear member 312 to the vision module 20, the vision module 20 also slides synchronously with the operating member 32 and the transmission shaft 311 in the direction of the applied external force. In this way, the distance between the two vision modules 20 can be adjusted, thereby achieving the purpose of interpupillary distance adjustment.

[0104] In conclusion, Figure 3 The adjustment locking mechanism 30 shown is in the unlocked state, and the operating member 32 and the transmission shaft 311 are in a state of synchronous movement. The interpupillary distance and diopter of the visual module 20 can be adjusted by rotating the operating member 32 or sliding it along the first direction.

[0105] In the embodiments of this application, after either or both of the interpupillary distance and / or refractive power are adjusted to the correct position, it is possible to... Figure 3 or Figure 4 Based on the indicated orientation, pressing the operating member 32 upward causes the reset member 33 to be elastically compressed. The operating member 32 moves upward along the transmission shaft 311 in the direction of compression of the reset member 33. The engaging part 321 can then disengage from the engaging port 3111. The operating member 32 and the transmission shaft 311 switch from a state of synchronous movement to a state of relative movement. At this time, rotating the operating member 32 will no longer cause the transmission shaft 311 to rotate synchronously; this can be considered a state of diopter adjustment failure. When the operating member 32 and the transmission shaft 311 are in a state of relative movement, rotating the operating member 32 will... The operating member 32 can rotate around the drive shaft 311 and enter the receiving groove 3112 on the drive shaft 311. Continuing to rotate the operating member 32 causes the fastening part 321 to rotate along the mating surface 3113 of the receiving groove 3112 towards the frame 10. The operating member 32 then abuts against the housing 12. As the operating member 32 continues to rotate, it gradually presses against the housing 12. (Without the housing 12, it can be understood that the operating member 32 directly abuts against the frame body 11, or that the operating member 32 can also directly abut against the damping fixing member 37). Figure 4 As shown, at this time, the operating component 32 is essentially locked to the housing 12. The operating component 32 cannot rotate along the transmission shaft 311, nor can it drive the transmission shaft 311 to slide relative to the housing 12 in the first direction. At this time, the visual module 20 is also locked to the frame 10, which ultimately locks the refractive power and interpupillary distance of the head-mounted display device simultaneously.

[0106] It should be noted that when the operating component 32 comes into contact with the housing 12 and is locked onto the housing 12, the transmission shaft 311 is subjected to a downward force, which drives the visual module 20 downward as a whole. This reduces the gaps between the visual module 20 and the sliding shaft 13, between the gear component 312 and the transmission fixing component 34, between the transmission fixing component 34 and the damping component 36, between the damping component 36 and the damping fixing component 37, and between the damping fixing component 37 and the housing 12. This makes the locking between the operating component 32 and the housing 12 more secure, and ultimately makes the locking of the refractive power and interpupillary distance of the head-mounted display device more reliable.

[0107] Understandably, in Figure 4 In the indicated state, rotating the operating member 32 in the reverse direction moves it away from the frame 10, releasing its contact with the housing 12 and thus releasing the interpupillary distance lock. Continuing to move the operating member 32 in the reverse direction continues until, under the action of the reset member 33, the engaging part 321 and the engaging port 3111 engage together, switching the operating member 32 and the drive shaft 311 to a state of synchronized movement, thus entering... Figure 3 When the device is in the unlocked state, the interpupillary distance or diopter can be adjusted via the operating component 32.

[0108] In this embodiment, the transmission mechanism 31, formed by the operating component 32 driving the transmission shaft 311 and the gear component 312, can achieve 360° stepless adjustment of the refractive power and locking of any refractive power and pupillary distance position. Moreover, the user only needs to operate the operating component 32 to achieve adjustment of the refractive power and pupillary distance, as well as locking of any refractive power and pupillary distance position, making the operation simpler and more convenient, and providing a better user experience.

[0109] In summary, the head-mounted display device described in the embodiments of this application may include at least the following advantages:

[0110] In this embodiment, when the adjustment locking mechanism is in the unlocked state, the operating component can drive the adjustment part to rotate via the transmission mechanism, thereby achieving diopter adjustment. Alternatively, the operating component can also drive the visual module to slide along the first direction via the transmission mechanism, thereby achieving interpupillary distance adjustment. After the interpupillary distance and / or diopter adjustment is completed, by switching the adjustment locking mechanism from the unlocked state to the locked state, the visual module can be locked to the frame via the operating component. In other words, in this embodiment, the adjustment locking mechanism can achieve both stepless adjustment and locking of the interpupillary distance of the head-mounted display device and stepless adjustment and locking of the diopter of the head-mounted display device, resulting in a simpler structure, higher adjustment convenience, and a better user experience.

[0111] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A head-mounted display device, characterized in that, include: Frame; Two visual modules are spaced apart on the frame along a first direction, and at least one of the visual modules is movably disposed on the frame; An adjustment locking mechanism is provided, comprising a transmission mechanism and an operating member. The transmission mechanism is connected to the visual module and configured to drive the visual module to slide along the first direction to adjust the interpupillary distance, and to drive the adjustment part of the visual module to rotate to adjust the diopter. The operating member cooperates with the transmission mechanism to enable the adjustment locking mechanism to have an unlocked state and a locked state. When the adjustment locking mechanism is in the unlocked state, the operating member can drive the adjustment part of the vision module to rotate through the transmission mechanism, and can drive the vision module to slide along the first direction; when the adjustment locking mechanism is in the locked state, the operating member locks the vision module to the frame. The operating element and the transmission mechanism can move synchronously and relative to each other. When the operating component and the transmission mechanism are in the synchronously movable state, the operating component drives the transmission mechanism to rotate, thereby driving the adjustment part to rotate, and the operating component can drive the transmission mechanism to slide along the first direction, thereby driving the vision module to slide along the first direction as well; when the operating component and the transmission mechanism are in the relatively movable state, the operating component and the transmission mechanism cooperate to make the adjustment locking mechanism have an unlocked state and a locked state. In the locked state, the operating component locks the vision module to the frame.

2. The head-mounted display device according to claim 1, characterized in that, When the operating member and the transmission mechanism are in the relative movable state, the operating member is configured to move along the axial direction of the transmission mechanism; when the operating member approaches the frame, the operating member is locked to the frame; when the operating member moves away from the frame, the operating member separates from the frame and the operating member is released from the lock on the frame.

3. The head-mounted display device according to claim 2, characterized in that, When the operating component and the transmission mechanism are in the state of relative movement, the operating component and the transmission mechanism are screw-fitted. When the operating component is rotated to abut against the frame, the operating component is locked to the frame, and the vision module is locked to the frame. When the operating component is rotated away from the frame, the operating component is released from the lock on the frame, and the vision module is released from the lock on the frame.

4. The head-mounted display device according to any one of claims 1 to 3, characterized in that, The transmission mechanism is provided with a transmission shaft, the operating member is sleeved on the transmission shaft, and the operating member is configured to be axially movable relative to the transmission shaft, so that the operating member and the transmission shaft can switch between the synchronous movement state and the relative movement state.

5. The head-mounted display device according to claim 4, characterized in that, The drive shaft is provided with a fastening port that opens along the axial direction of the drive shaft, and the operating member is provided with a fastening part that engages with the fastening port; and / or, the drive shaft is provided with a fastening part, and the operating member is provided with a fastening port that opens along the axial direction of the drive shaft, and the fastening port engages with the fastening part. When the fastening part is located inside the fastening opening, the operating member and the transmission shaft are in the state of synchronous movement; when the fastening part is located in the first position outside the fastening opening, the operating member and the transmission shaft enter the state of relative movement; when the fastening part is located in the second position outside the fastening opening, the operating member is locked to the frame, and thus the visual module is locked to the frame; of the first position and the second position, one is a position on the transmission shaft close to the frame, and the other is a position on the transmission shaft away from the frame.

6. The head-mounted display device according to claim 5, characterized in that, The drive shaft is also provided with a receiving groove extending circumferentially along the drive shaft. When the fastening part disengages from the fastening port and is located at the first position of the drive shaft, the operating member and the drive shaft enter the relative motion state; when the fastening part disengages from the fastening port and rotates along the receiving groove to the second position of the drive shaft, the operating member is locked onto the frame, and thus the visual module is locked onto the frame.

7. The head-mounted display device according to claim 6, characterized in that, The receiving groove is a spiral groove; when the fastening part disengages from the fastening port and rotates along the spiral groove toward the direction close to the frame to the second position of the drive shaft, the operating member is locked onto the frame, and thus the vision module is locked onto the frame.

8. The head-mounted display device according to claim 6, characterized in that, The receiving groove has a mating surface that mates with the fastening part, and the mating surface is an inclined surface that is circumferentially inclined along the drive shaft; The fastening part rotates along the mating surface toward the direction close to the frame to the second position of the drive shaft.

9. The head-mounted display device according to claim 5, characterized in that, There are two fastening parts and two fastening openings. The fastening parts and the fastening openings correspond one-to-one, and the two fastening parts are evenly arranged along the circumference of the transmission shaft.

10. The head-mounted display device according to claim 2, characterized in that, The adjusting locking mechanism further includes: a reset element; The reset member is used to provide an elastic restoring force to the operating member, so that the operating member is reset from the relative motion state to the synchronous motion state, or from the synchronous motion state to the relative motion state.

11. The head-mounted display device according to claim 10, characterized in that, After the operating component is released from the lock on the frame, the reset component drives the operating component to reset from the relative movement state to the synchronous movement state.

12. The head-mounted display device according to claim 2, characterized in that, Of the frame and the operating component, one is provided with a snap-fit ​​groove, and the other is provided with a buckle; when the operating component and the transmission mechanism are in the state of relative movement, and the operating component is close to the frame, the buckle can snap into the snap-fit ​​groove, and the operating component is locked onto the frame.

13. The head-mounted display device according to claim 1, characterized in that, The transmission mechanism is provided with a first gear structure at one end near the frame; The adjusting part is provided with a second gear structure, which meshes with the first gear structure.

14. The head-mounted display device according to claim 13, characterized in that, The first gear structure is one of bevel gear, helical gear or spur gear.

15. The head-mounted display device according to claim 13, characterized in that, The adjusting locking mechanism further includes: a transmission fixing component; The transmission mechanism is fixed to the vision module by the transmission fixing member, which is used to keep the first gear structure and the second gear structure in a meshing state.

16. The head-mounted display device according to claim 15, characterized in that, The transmission fixing component is provided with a transmission fixing hole; The other end of the transmission mechanism passes through the transmission fixing hole and is connected to the operating component.

17. The head-mounted display device according to claim 16, characterized in that, The transmission fixing component includes: a receiving part and a guide part; A receiving space for accommodating the first gear structure is formed between the receiving part and the vision module; The transmission fixing hole is provided on the guide portion.

18. The head-mounted display device according to claim 16, characterized in that, The adjusting locking mechanism further includes: a locking component; The transmission mechanism is provided with a locking groove near the transmission fixing hole; The locking member is embedded in the locking groove, and the locking member abuts against the end face of the transmission fixing member near the operating member, so as to limit the movement of the transmission mechanism towards the frame.

19. The head-mounted display device according to claim 18, characterized in that, The locking element is arranged at least partially around the circumference of the transmission mechanism.

20. The head-mounted display device according to any one of claims 1 to 3, characterized in that, The adjusting locking mechanism also includes a damping element; The damping element is connected to the frame and the transmission mechanism respectively, and the damping element slides synchronously with the transmission mechanism along the first direction. The damping element is used to provide damping force for the transmission mechanism to slide relative to the frame.

21. The head-mounted display device according to claim 20, characterized in that, The adjusting locking mechanism further includes: a damping fixing element; The damping fastener is connected to the frame, and the damping fastener is provided with a guide hole extending along the first direction; The damping element is at least partially embedded in the guide hole, and the damping element is provided with a damping fixing hole; The other end of the transmission mechanism passes through the damping fixing hole and the guide hole in sequence and is connected to the operating component.

22. The head-mounted display device according to claim 21, characterized in that, The damping element includes a sliding plate and a limiting part disposed on one side of the sliding plate; The damping fixing hole extends through the sliding plate and the limiting part along the axial direction of the transmission mechanism; The damping fixing member is provided with a first sliding groove that cooperates with the sliding plate. The sliding plate is located in the first sliding groove, and the limiting part is at least partially embedded in the guide hole.

23. The head-mounted display device according to claim 22, characterized in that, A cantilever structure is also provided on the other side of the sliding plate, and the cantilever structure extends out of the interference fit between the first sliding groove and the frame.

24. The head-mounted display device according to claim 23, characterized in that, The cantilever structure has ribs on the side opposite to the frame, and the ribs extend along the first direction and are interference-fitted with the frame.

25. The head-mounted display device according to claim 23, characterized in that, The cantilever structure is symmetrically arranged on both sides of the first center plane of the sliding plate, wherein the first center plane is the center plane of the sliding plate parallel to the first direction.

26. The head-mounted display device according to claim 22, characterized in that, The adjusting locking mechanism further includes: a transmission fixing component; The transmission fixing component is disposed between the damping component and the vision module, and the transmission fixing component is provided with a transmission fixing hole; The other end of the transmission mechanism passes through the transmission fixing hole, the damping fixing hole, and the guide hole in sequence and is connected to the operating component.

27. The head-mounted display device according to claim 26, characterized in that, The transmission fixing component is provided with a guide portion, which is at least partially embedded in the damping fixing hole, and the transmission fixing hole passes through the guide portion along the axial direction of the transmission mechanism.

28. The head-mounted display device according to claim 26, characterized in that, The transmission fixing member is also provided with a flange, which extends toward the damping fixing member and abuts against the damping fixing member.

29. The head-mounted display device according to claim 21, characterized in that, The frame includes: a frame body and a shell connected to the frame body; Both the visual module and the damping component are connected to the frame body. The housing is located between the damping fixing member and the operating member, and a second sliding groove is provided on the housing; The other end of the transmission mechanism passes through the second slide groove and is connected to the operating element; The operating component is screwed into the transmission mechanism and abuts against the frame body or the housing to lock the vision module in the frame; or, the operating component is screwed into the transmission mechanism and separates from the frame body or the housing to release the vision module from the frame.

30. The head-mounted display device according to claim 1, characterized in that, The operating component includes a pulsator structure.

31. The head-mounted display device according to claim 1, characterized in that, The adjustment and locking mechanisms are configured in a one-to-one correspondence with the vision modules.

32. The head-mounted display device according to claim 1, characterized in that, A sliding shaft is provided on the frame, and the sliding shaft extends along the first direction; The visual module also includes a fixing part, which is slidably disposed on the sliding shaft.

33. The head-mounted display device according to claim 32, characterized in that, The fixing part is provided with a sliding groove and / or a sliding hole, and the sliding shaft is movably embedded in the sliding groove or the sliding hole.

Images