Face pad structure and head-mounted device
By designing the sliding connection of fractal support base, primary fractal block, secondary fractal block and flexible pad in head-mounted devices, the problem of uneven support of traditional surface pads is solved, and adaptive fit and stable closure are achieved. Improves the comfort and stability of the equipment.
Patent Information
- Application Number
- CN202420024468.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-05
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-01-05
AI Technical Summary
When the surface pads of traditional head-mounted devices come into contact with the head, there are problems such as uneven support force, unstable support, and insufficient sealing.
A surface pad structure is designed, including fractal support base, primary fractal block, secondary fractal block and flexible pads, which enables adaptive fit through the sliding connection of these components, ensuring that the flexible pad is different from the head of the user The diameter of the surroundings is adapted to form an arc-shaped and tight fit, achieving uniform support and stable closure.
The facial support state is achieved with uniform support force, stable support, and sufficient sealing on both sides, improving the comfort and stability of the head-mounted equipment.
Smart Images
Figure CN222280957U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of virtual reality equipment, and in particular to a face pad structure and a head-mounted device. Background Art
[0002] VR smart glasses are a head-mounted device that is the core device of the virtual reality experience. Its main function is to display the virtual environment and update the user's perspective in real time through the movement of the head. This device is usually equipped with a high-resolution screen that can display stereo images with a wider viewing angle. Some high-end head-mounted displays also have position tracking functions that can monitor the user's head movement and reflect it in real time in the virtual environment, providing a more realistic immersive experience.
[0003] The face pads of traditional head-mounted devices are mainly made of a whole piece of flexible material with a certain curvature. Commonly used materials include foam sponge, PU, TPU, etc. When worn by users with different head circumferences, the contact and compression state between the flexible material and the face is inconsistent, resulting in problems such as uneven support force, unstable support, and insufficient closure. Figure 1 As shown, users with different head circumferences have different force support states under the traditional sponge face pad, but the structural thickness of the face pad is uniform and the hardness of the face pad is the same. When the head with an arc structure contacts the face pad, there are problems such as uneven support force, unstable support, and insufficient closure. Utility Model Content
[0004] The embodiments of the present application provide a face pad structure and a head-mounted device, which solve the technical problems of uneven support force, unstable support, and insufficient sealing when the face pad of the current head-mounted device contacts the head with an arc-shaped structure.
[0005] The embodiment of the present application provides a face pad structure for installation on a head mounted device, the face pad structure comprising a fractal support base, a primary fractal block, a secondary fractal block and a flexible pad;
[0006] The face pad structure is provided with a fixed side and a face fitting side; the fractal support base, the primary fractal block, the secondary fractal block and the flexible pad are arranged in sequence from the fixed side to the face fitting side, the flexible pad is arranged on the first side of the secondary fractal block, the second side of the secondary fractal block is slidably connected to the first side of the primary fractal block, the second side of the primary fractal block is slidably connected to the first side of the fractal support base, and the second side of the fractal support base is fixedly connected to the head mounted device.
[0007] In one embodiment, the two secondary fractal blocks are slidably connected to one primary fractal block, the two secondary fractal blocks are symmetrically arranged at two ends of a first side of the primary fractal block, and a gap is provided between the two secondary fractal blocks.
[0008] In one embodiment, the fractal support base is provided with a base arc dovetail slide rail, the second side of the first-level fractal block is provided with a first-level arc dovetail slide groove, the base arc dovetail slide rail is concave toward the fixed side, the first-level arc dovetail slide groove is convex toward the fixed side, and the base arc dovetail slide rail is slidably connected to the first-level arc dovetail slide groove.
[0009] In one embodiment, the first-level fractal block also includes two first-level slide groove limit blocks, and the two first-level slide groove limit blocks are respectively arranged at both ends of the first-level arc dovetail slide groove, and the length of the first-level arc dovetail slide groove is greater than the length of the base arc dovetail slide rail.
[0010] In one of the embodiments, a first arc-shaped groove is provided on the first side of the first fractal block corresponding to the second fractal block, a first arc-shaped dovetail slide rail is provided in the first arc-shaped groove, a second arc-shaped dovetail slide groove is provided on the second side of the second fractal block, the second arc-shaped dovetail slide groove protrudes toward the fixed side, and the first arc-shaped dovetail slide rail is slidably connected to the second arc-shaped dovetail slide groove.
[0011] In one embodiment, the secondary fractal block also includes two secondary slide groove limit blocks, and the two secondary slide groove limit blocks are respectively arranged at both ends of the secondary arc dovetail slide groove, and the length of the secondary arc dovetail slide groove is greater than the length of the primary arc dovetail slide rail.
[0012] In one embodiment, the middle portion of the flexible pad is bent toward the fixed side, the first side of the secondary fractal block is concave toward the fixed side, and the middle portion of the flexible pad is fixedly connected to the first side of the secondary fractal block.
[0013] In one embodiment, both ends of the flexible pad are connected to the secondary slide groove limit block.
[0014] The present application also provides a head-mounted device, which includes a fractal support frame and a plurality of the surface pad structures described above, wherein the plurality of surface pad structures are arranged at intervals along the edge of the fractal support frame.
[0015] In one of the embodiments, the head mounted device further comprises a VR device shell, and the fractal support frame is fixedly disposed inside the VR device shell.
[0016] In one of the embodiments, the head mounted device further includes a sponge pad, which is ring-shaped and disposed in a housing of the VR device, and the sponge pad is disposed corresponding to the face pad structure.
[0017] In one of the embodiments, the head mounted device further comprises a headband, two ends of the headband are connected to two ends of the VR device housing.
[0018] In one of the embodiments, the headband is provided with a connecting strap and a flexible buffer pad, the flexible buffer pad is sleeved on the connecting strap and located in the middle of the connecting strap, and the two ends of the connecting strap are connected to the two ends of the VR device shell.
[0019] The facial pad structure and head-mounted device provided in the embodiments of the present application are configured in sequence by arranging a support base, a primary fractal block, a secondary fractal block and a flexible pad, wherein the support base, the primary fractal block and the secondary fractal block are slidably connected to each other, and when one side of the flexible pad contacts the user's head and is subjected to force, the secondary fractal block and the primary fractal block are driven to adaptively rotate, so that the flexible pad adapts to the different head circumference diameters of the user's head to form an arc-shaped close fit, so that the support force is uniform, the support is stable, and the two sides are fully closed, forming a stable facial support state. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.
[0021] Figure 1 A schematic diagram of the envelope posture of the face pad of a traditional head-mounted device when in use;
[0022] Figure 2 A schematic diagram of the structure of the face pad provided in an embodiment of the present application;
[0023] Figure 3 A schematic diagram of the exploded structure of the face pad structure provided in an embodiment of the present application;
[0024] Figure 4 A schematic diagram of the structure of a primary fractal block provided in an embodiment of the present application;
[0025] Figure 5 A schematic diagram of the structure of a secondary fractal block provided in an embodiment of the present application;
[0026] Figure 6 A schematic diagram of the envelope posture of the face pad structure provided in an embodiment of the present application;
[0027] Figure 7 A schematic diagram of the structure of a head mounted device provided in an embodiment of the present application;
[0028] Figure 8 A top view of a head mounted device provided in an embodiment of the present application;
[0029] Fig. 9A schematic diagram of a structure in which a plurality of surface pad structures provided in an embodiment of the present application are arranged at intervals along the edge of the fractal support frame;
[0030] Fig.10 A schematic diagram of the exploded structure of a head mounted device provided in an embodiment of the present application.
[0031] The markings in the figure are as follows:
[0032] Face pad structure 10, fractal support base 1, base arc dovetail slide rail 11, first-level fractal block 2, first-level arc dovetail slide groove 21, first-level slide groove limit block 22, first-level arc groove 23, first-level arc dovetail slide rail 24, second-level fractal block 3, second-level arc dovetail slide groove 31, second-level slide groove limit block 32, flexible pad 4, fractal support frame 20, VR device shell 30, sponge pad 40, perspective through hole 41, nose notch 42, headband 50, connecting belt 51, flexible buffer pad 52. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0034] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, 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 specific circumstances. Example
[0035] like Figure 2 , Figure 3 As shown, in Embodiment 1 of the present application, a face pad structure 10 is provided for installation on a head mounted device, and the face pad structure 10 includes a fractal support base 1 and a primary fractal block 2.
[0036] like Figure 2 , Figure 3As shown, the face pad structure 10 is provided with a fixed side and a face fitting side; the fractal support base 1 and the primary fractal block 2 are arranged in sequence from the fixed side to the face fitting side, the second side of the primary fractal block 2 is slidably connected to the first side of the fractal support base 1, and the second side of the fractal support base 1 is fixedly connected to the head-mounted device.
[0037] like Figure 3 , Figure 4 As shown, in this embodiment, the fractal support base 1 is provided with a base arc dovetail slide rail 11, and the second side of the first-level fractal block 2 is provided with a first-level arc dovetail slide groove 21, the base arc dovetail slide rail 11 is concave toward the fixed side, and the first-level arc dovetail slide groove 21 is convex toward the fixed side, and the base arc dovetail slide rail 11 is slidably connected with the first-level arc dovetail slide groove 21.
[0038] like Figure 3 , Figure 4 As shown, in this embodiment, the first-level fractal block 2 further includes two first-level chute stop blocks 22, which are respectively arranged at both ends of the first-level arc dovetail chute 21, and the length of the first-level arc dovetail chute 21 is greater than the length of the base arc dovetail rail 11. The first-level chute stop block 22 can limit the sliding range of the first-level fractal block 2 on the fractal support base 1, and prevent the first-level chute stop block 22 from being disengaged from the fractal support base 1.
[0039] In this embodiment, the surface pad structure 10 is an adaptive support surface pad structure with good support stability and structural rigidity, and is suitable for sports scenes. The surface pad structure 10 is simple, has low manufacturing cost, and is easy to repair and maintain.
[0040] The above-mentioned face pad structure 10 provided in the embodiment of the present application is slidably connected with the primary fractal block 2 through the support base. When one side of the primary fractal block 2 is in contact with the user's head and subjected to force, it will drive the primary fractal block 2 to adaptively rotate, so that the flexible pad 4 can adapt to the different head circumference diameters of the user's head to form an arc-shaped close fit, so that the support force is uniform, the support is stable, and the two sides are fully closed, forming a stable facial support state. Example
[0041] like Figure 2 , Figure 3 As shown, in embodiment 2 of the present application, a face pad structure 10 is provided for installation on a head mounted device, wherein the face pad structure 10 includes a fractal support base 1, a primary fractal block 2, a secondary fractal block 3 and a flexible pad 4.
[0042] like Figure 2 , Figure 3As shown, the face pad structure 10 is provided with a fixed side and a face fitting side; the fractal support base 1, the primary fractal block 2, the secondary fractal block 3 and the flexible pad 4 are arranged in sequence from the fixed side to the face fitting side, the flexible pad 4 is arranged on the first side of the secondary fractal block 3, the second side of the secondary fractal block 3 is slidably connected to the first side of the primary fractal block 2, the second side of the primary fractal block 2 is slidably connected to the first side of the fractal support base 1, and the second side of the fractal support base 1 is fixedly connected to the head mounted device.
[0043] like Figure 3 , Figure 4 As shown, in this embodiment, the two secondary fractal blocks 3 are slidably connected to one primary fractal block 2, and the two secondary fractal blocks 3 are symmetrically arranged at both ends of the first side of the primary fractal block 2, and a gap is provided between the two secondary fractal blocks 3 to prevent the two secondary fractal blocks 3 from colliding.
[0044] like Figure 3 , Figure 4 As shown, in this embodiment, the fractal support base 1 is provided with a base arc dovetail slide rail 11, and the second side of the first-level fractal block 2 is provided with a first-level arc dovetail slide groove 21, the base arc dovetail slide rail 11 is concave toward the fixed side, and the first-level arc dovetail slide groove 21 is convex toward the fixed side, and the base arc dovetail slide rail 11 is slidably connected with the first-level arc dovetail slide groove 21.
[0045] like Figure 3 , Figure 4 As shown, in this embodiment, the first-level fractal block 2 further includes two first-level chute stop blocks 22, which are respectively arranged at both ends of the first-level arc dovetail chute 21, and the length of the first-level arc dovetail chute 21 is greater than the length of the base arc dovetail rail 11. The first-level chute stop block 22 can limit the sliding range of the first-level fractal block 2 on the fractal support base 1, and prevent the first-level chute stop block 22 from being disengaged from the fractal support base 1.
[0046] like Figure 3 , Figure 4 , Figure 5 As shown, in this embodiment, a first arc groove 23 is provided on the first side of the first-level fractal block 2 corresponding to the second-level fractal block 3, a first arc dovetail guide rail 24 is provided in the first-level arc groove 23, a second arc dovetail guide groove 31 is provided on the second side of the second-level fractal block 3, the second arc dovetail guide groove 31 protrudes toward the fixed side, and the first arc dovetail guide rail 24 is slidably connected with the second arc dovetail guide groove 31.
[0047] like Figure 3 , Figure 5 As shown, in this embodiment, the secondary fractal block 3 further includes two secondary chute stop blocks 32, which are respectively arranged at both ends of the secondary arc dovetail chute 31, and the length of the secondary arc dovetail chute 31 is greater than the length of the primary arc dovetail guide rail 24. The secondary chute stop block 32 can limit the sliding range of the secondary fractal block 3 on the primary fractal block 2, and prevent the secondary chute stop block 32 from being disengaged from the primary fractal block 2.
[0048] In this embodiment, the middle portion of the flexible pad 4 is bent toward the fixed side, the first side of the secondary fractal block 3 is concave toward the fixed side, and the middle portion of the flexible pad 4 is fixedly connected to the first side of the secondary fractal block 3 .
[0049] like Figure 3 As shown, in this embodiment, both ends of the flexible pad 4 are connected to the secondary slide groove limit block 32 .
[0050] In this embodiment, the face pad structure 10 has good support stability and good structural rigidity, and is suitable for sports scenes. The face pad structure 10 is simple, has low manufacturing cost, and is easy to repair and maintain. The present application adopts a secondary fractal block 3 fractal support, which is applicable to a wide range of facial curvatures and has strong applicability.
[0051] like Figure 3 , Figure 6 As shown, Figure 6 This is the working principle of fractal pressure-balancing support. When the user wears the VR device, the face contacts the secondary fractal block 3, and the secondary fractal block 3 presses the primary fractal block 2, forcing the secondary fractal block 3 and the primary fractal block 2 to slide along the arc-shaped dovetail groove slide rail until the support point completely fits the head surface to achieve self-balancing force.
[0052] The above-mentioned face pad structure 10 provided in the embodiment of the present application is provided with a support base, a primary fractal block 2, a secondary fractal block 3 and a flexible pad 4 in sequence, wherein the support base, the primary fractal block 2 and the secondary fractal block 3 are slidably connected to each other, and when one side of the flexible pad 4 contacts the user's head and is subjected to force, it will drive the secondary fractal block 3 and the primary fractal block 2 to adaptively rotate, so that the flexible pad 4 can adapt to the different head circumference diameters of the user's head to form an arc-shaped close fit, so that the support force is uniform, the support is stable, and the two sides are fully closed, forming a stable facial support state. Example
[0053] like Figure 7 , Figure 8 , Fig. 9 , Fig.10As shown, the present application also provides a head-mounted device, which includes a fractal support frame 20 and a plurality of the above-mentioned face pad structures 10 , wherein the plurality of face pad structures 10 are arranged at intervals along the edge of the fractal support frame 20 .
[0054] Preferably, four surface pad structures 10 are arranged on the fractal support frame 20 .
[0055] Specifically, Figure 2 , Figure 3 As shown, the face pad structure 10 includes a fractal support base 1, a primary fractal block 2, a secondary fractal block 3 and a flexible pad 4.
[0056] like Figure 2 , Figure 3 As shown, the face pad structure 10 is provided with a fixed side and a face fitting side; the fractal support base 1, the primary fractal block 2, the secondary fractal block 3 and the flexible pad 4 are arranged in sequence from the fixed side to the face fitting side, the flexible pad 4 is arranged on the first side of the secondary fractal block 3, the second side of the secondary fractal block 3 is slidably connected to the first side of the primary fractal block 2, the second side of the primary fractal block 2 is slidably connected to the first side of the fractal support base 1, and the second side of the fractal support base 1 is fixedly connected to the head mounted device.
[0057] like Figure 3 , Figure 4 As shown, in this embodiment, the two secondary fractal blocks 3 are slidably connected to one primary fractal block 2, and the two secondary fractal blocks 3 are symmetrically arranged at both ends of the first side of the primary fractal block 2, and a gap is provided between the two secondary fractal blocks 3 to prevent the two secondary fractal blocks 3 from colliding.
[0058] like Figure 3 , Figure 4 As shown, in this embodiment, the fractal support base 1 is provided with a base arc dovetail slide rail 11, and the second side of the first-level fractal block 2 is provided with a first-level arc dovetail slide groove 21, the base arc dovetail slide rail 11 is concave toward the fixed side, and the first-level arc dovetail slide groove 21 is convex toward the fixed side, and the base arc dovetail slide rail 11 is slidably connected with the first-level arc dovetail slide groove 21.
[0059] like Figure 3 , Figure 4As shown, in this embodiment, the first-level fractal block 2 further includes two first-level chute stop blocks 22, which are respectively arranged at both ends of the first-level arc dovetail chute 21, and the length of the first-level arc dovetail chute 21 is greater than the length of the base arc dovetail rail 11. The first-level chute stop block 22 can limit the sliding range of the first-level fractal block 2 on the fractal support base 1, and prevent the first-level chute stop block 22 from being disengaged from the fractal support base 1.
[0060] like Figure 3 , Figure 4 , Figure 5 As shown, in this embodiment, a first arc groove 23 is provided on the first side of the first-level fractal block 2 corresponding to the second-level fractal block 3, a first arc dovetail guide rail 24 is provided in the first-level arc groove 23, a second arc dovetail guide groove 31 is provided on the second side of the second-level fractal block 3, the second arc dovetail guide groove 31 protrudes toward the fixed side, and the first arc dovetail guide rail 24 is slidably connected with the second arc dovetail guide groove 31.
[0061] like Figure 3 , Figure 5 As shown, in this embodiment, the secondary fractal block 3 further includes two secondary chute stop blocks 32, which are respectively arranged at both ends of the secondary arc dovetail chute 31, and the length of the secondary arc dovetail chute 31 is greater than the length of the primary arc dovetail guide rail 24. The secondary chute stop block 32 can limit the sliding range of the secondary fractal block 3 on the primary fractal block 2, and prevent the secondary chute stop block 32 from being disengaged from the primary fractal block 2.
[0062] In this embodiment, the middle portion of the flexible pad 4 is bent toward the fixed side, the first side of the secondary fractal block 3 is concave toward the fixed side, and the middle portion of the flexible pad 4 is fixedly connected to the first side of the secondary fractal block 3 .
[0063] like Figure 3 As shown, in this embodiment, both ends of the flexible pad 4 are connected to the secondary slide groove limit block 32 .
[0064] In this embodiment, the face pad structure 10 has good support stability and good structural rigidity, and is suitable for sports scenes. The face pad structure 10 is simple, has low manufacturing cost, and is easy to repair and maintain. The present application adopts a secondary fractal block 3 fractal support, which is applicable to a wide range of facial curvatures and has strong applicability.
[0065] like Figure 3 , Figure 6 As shown, Figure 6This is the working principle of fractal pressure-balancing support. When the user wears the VR device, the face contacts the secondary fractal block 3, and the secondary fractal block 3 presses the primary fractal block 2, forcing the secondary fractal block 3 and the primary fractal block 2 to slide along the arc-shaped dovetail groove slide rail until the support point completely fits the head surface to achieve self-balancing force.
[0066] like Figure 7 , Figure 8 , Fig.10 As shown, in this embodiment, the head mounted device further includes a VR device housing 30 , and the fractal support frame 20 is fixedly disposed in the VR device housing 30 .
[0067] A VR device host is provided on a side of the VR device housing 30 away from the fractal support frame 20 , and the VR device host is provided with an eyepiece hole.
[0068] like Figure 7 , Figure 8 , Fig.10 As shown, in this embodiment, the head mounted device further includes a sponge pad 40 , which is annular in shape. The sponge pad 40 is disposed in the VR device housing 30 , and the sponge pad 40 is disposed corresponding to the face pad structure 10 .
[0069] Preferably, the sponge pad 40 is a high-density sponge cover.
[0070] like Fig.10 As shown, in this embodiment, a perspective through hole 41 is provided in the middle of the sponge pad 40, and a nose notch 42 is provided on the bottom side of the sponge pad 40, and the perspective through hole 41 is connected to the nose notch 42. When in use, the perspective through hole 41 is arranged corresponding to the eyepiece hole of the VR device host 20, the perspective through hole 41 corresponds to the user's eyes, and the nose notch 42 is buckled with the upper end of the user's nose, similar to the glasses bracket to play a facial support role.
[0071] like Figure 7 , Figure 8 , Fig.10 As shown, in this embodiment, the head mounted device further includes a headband 50, and two ends of the headband 50 are connected to two ends of the VR device housing 30. The headband 50 is used to be mounted on the user's head to fix the head mounted device.
[0072] like Fig.10 As shown, the headband 50 is provided with a connecting strap 51 and a flexible buffer pad 52 , wherein the flexible buffer pad 52 is sleeved on the connecting strap 51 and located in the middle of the connecting strap 51 , and the two ends of the connecting strap 51 are connected to the two ends of the VR device housing 30 .
[0073] In the above-mentioned head-mounted device of the present application, a support base, a primary fractal block 2, a secondary fractal block 3 and a flexible pad 4 are sequentially arranged, wherein the support base, the primary fractal block 2 and the secondary fractal block 3 are slidably connected to each other. When one side of the flexible pad 4 contacts the user's head and is subjected to force, it will drive the secondary fractal block 3 and the primary fractal block 2 to adaptively rotate, so that the flexible pad 4 adapts to the different head circumference diameters of the user's head to form an arc-shaped close fit, so that the support force is uniform, the support is stable, and the two sides are fully closed, forming a stable facial support state.
[0074] The head-mounted device can be applied to the field of game entertainment: with the VR helmet, players can experience a more realistic game world in virtual reality, such as VR shooting games, racing games, etc.
[0075] The head-mounted device can be applied to the field of training and education: the immersive experience provided by the VR helmet can be applied to virtual training and simulation experiments, such as virtual surgery simulation, virtual aerospace simulation, etc.
[0076] The head mounted device can be applied to the tourism field: VR helmets can allow users to conduct virtual tours without leaving home, such as experiencing foreign tourist attractions, visiting museums, etc.
[0077] The head-mounted device can be applied in the medical field: VR helmets can be used to treat phobias, insomnia and other diseases, and can also provide some virtual training to help the elderly maintain physical and mental health.
[0078] The head-mounted device can be applied in the real estate field: VR helmets can be used to preview and design real estate projects, as well as provide a more realistic virtual house visiting experience.
[0079] In general, VR helmets have a wide range of applications, from games, education to medical care, real estate, etc., VR helmets can be used to provide a more realistic experience.
[0080] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.
[0081] The above is a detailed introduction to a face pad structure and a head-mounted device provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A face pad structure for installation on a head mounted device, characterized in that: The surface pad structure includes a fractal support base, a primary fractal block, a secondary fractal block and a flexible pad; The face pad structure is provided with a fixed side and a face fitting side; the fractal support base, the primary fractal block, the secondary fractal block and the flexible pad are arranged in sequence from the fixed side to the face fitting side, the flexible pad is arranged on the first side of the secondary fractal block, the second side of the secondary fractal block is slidably connected to the first side of the primary fractal block, the second side of the primary fractal block is slidably connected to the first side of the fractal support base, and the second side of the fractal support base is fixedly connected to the head mounted device.
2. The face pad structure according to claim 1, characterized in that: The two secondary fractal blocks are slidably connected to one primary fractal block, the two secondary fractal blocks are symmetrically arranged at two ends of the first side of the primary fractal block, and a gap is arranged between the two secondary fractal blocks.
3. The face pad structure according to claim 1, characterized in that: The fractal support base is provided with a base arc dovetail slide rail, the second side of the first-level fractal block is provided with a first-level arc dovetail slide groove, the base arc dovetail slide rail is concave toward the fixed side, the first-level arc dovetail slide groove is convex toward the fixed side, and the base arc dovetail slide rail is slidably connected to the first-level arc dovetail slide groove.
4. The face pad structure according to claim 3, characterized in that: The first-level fractal block also includes two first-level slide groove limit blocks, and the two first-level slide groove limit blocks are respectively arranged at both ends of the first-level arc dovetail slide groove, and the length of the first-level arc dovetail slide groove is greater than the length of the base arc dovetail slide rail.
5. The face pad structure according to claim 1, characterized in that: A first arc-shaped groove is provided on the first side of the first-level fractal block corresponding to the second-level fractal block, a first arc-shaped dovetail slide rail is provided in the first-level arc-shaped groove, a second arc-shaped dovetail slide groove is provided on the second side of the second-level fractal block, the second arc-shaped dovetail slide groove protrudes toward the fixed side, and the first arc-shaped dovetail slide rail is slidably connected with the second arc-shaped dovetail slide groove.
6. The face pad structure according to claim 5, characterized in that: The secondary fractal block also includes two secondary slide groove limit blocks, and the two secondary slide groove limit blocks are respectively arranged at both ends of the secondary arc dovetail slide groove, and the length of the secondary arc dovetail slide groove is greater than the length of the primary arc dovetail slide rail.
7. The face pad structure according to claim 6, characterized in that: The middle portion of the flexible pad is bent toward the fixed side, the first side of the secondary fractal block is concave toward the fixed side, and the middle portion of the flexible pad is fixedly connected to the first side of the secondary fractal block.
8. The face pad structure according to claim 6, characterized in that: Both ends of the flexible pad are connected to the secondary slide groove limit block.
9. A head mounted device, characterized in that: It comprises a fractal support frame and a plurality of surface pad structures according to any one of claims 1 to 8, wherein the plurality of surface pad structures are arranged at intervals along the edge of the fractal support frame.
10. The head mounted device according to claim 9, wherein: Also includes A VR device housing, wherein the fractal support frame is fixedly arranged in the VR device housing; A sponge pad is annular in shape and is disposed in a housing of the VR device. The sponge pad is disposed corresponding to the surface pad structure.