CN217718274U

CN217718274U - Head-mounted display device

Info

Publication number: CN217718274U
Application number: CN202221087494.8U
Authority: CN
Inventors: 李玉才
Original assignee: Huizhou TCL Mobile Communication Co Ltd
Current assignee: Huizhou TCL Mobile Communication Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-11-01
Anticipated expiration: 2032-05-06

Abstract

The application discloses a head-mounted display device, which comprises a glasses main body and a head-mounted assembly, wherein the glasses main body comprises a shell, and a display assembly and a circuit board assembly which are arranged in the shell; the head-mounted assembly comprises an adjustable binding band and a protection pad part connected with the adjustable binding band, the protection pad part and the glasses main body are arranged oppositely, a battery is arranged in the protection pad part, the battery is electrically connected with the circuit board assembly, the protection pad part and the glasses main body are connected through the adjustable binding band, and the adjustable binding band is foldable. This application embodiment is through separating out original battery in the glasses main part, and set up in protecting pad portion, be about to the battery postposition, glasses main part's weight has been reduced, and protecting pad portion and battery can balance head-mounted display device's whole weight, make the whole focus of head-mounted display device move backward, avoid weight to concentrate on user forehead, prevent that user's head from leaning forward, alleviate the pressure to user's neck simultaneously, avoid the user to feel dizzy uncomfortable or neck ache in the use, thereby improve user's use experience.

Description

Head-mounted display device

Technical Field

The application belongs to the technical field of wearable equipment, especially, relate to a head mounted display device.

Background

The metauniverse (Metaverse) is a virtual world which is linked and created by using scientific and technological means, is mapped and interacted with the real world, and is provided with a digital living space of a novel social system. Among them, the head-mounted display device (e.g., VR head display) is the best entrance of the meta universe, and as the wave of the meta universe rises, the head-mounted display device attracts the attention of the market again.

The VR head in the existing market shows, and overall structure is too heavy, and when the user wears to use the VR head to show, great oppression is caused to user's head and neck, and the use that influences the user is experienced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a head-mounted display device to improve the use experience of a user.

In a first aspect, an embodiment of the present application provides a head-mounted display device, including:

the glasses comprise a glasses body, a display component and a circuit board component, wherein the glasses body comprises a shell, and the display component and the circuit board component are arranged in the shell; and

wear the subassembly, including adjustable bandage and with the protection pad portion that adjustable bandage is connected, the protection pad portion with the glasses main part sets up relatively, be equipped with the battery in the protection pad portion, the battery with circuit board components electric connection, adjustable bandage will the protection pad portion with the glasses main part is connected, adjustable bandage is collapsible.

Optionally, the head-mounted display device further includes an electrical connection line, the circuit board assembly passes through the electrical connection line with battery electric connection, the electrical connection line set up in the adjustable binding band.

Optionally, the adjustable strap has a first end, a second end and a connecting section connected between the first end and the second end, a first connecting portion and a second connecting portion are disposed on two opposite sides of the glasses body, the first end is fixedly connected with the first connecting portion, the second connecting portion is a rotating shaft, and the second end is wound around the rotating shaft and is bonded with the connecting section.

Optionally, a wire passing channel is arranged in the adjustable binding band, the first end is provided with a first opening communicated with the wire passing channel and the inside of the shell, the middle part of the connecting section faces towards one side of the battery and is provided with a second opening communicated with the wire passing channel and the inside of the pad protecting part, the electric connecting wire penetrates through the wire passing channel, the electric connecting wire extends out of one end of the first opening and is electrically connected with the circuit board assembly, and the electric connecting wire extends out of one end of the second opening and is electrically connected with the battery.

Optionally, the adjustable bandage includes the insulating layer and the weaving layer of cover locating the insulating layer periphery wall, the wire passing channel set up in the insulating layer.

Optionally, the pad portion is provided with a sliding groove for the adjustable binding band to pass through, and the pad portion is slidably connected with the adjustable binding band through the sliding groove.

Optionally, a limiting post is arranged in the sliding groove, the adjustable binding band is provided with a limiting groove extending along the length direction of the adjustable binding band, and the limiting post is inserted into the limiting groove.

Optionally, the pad part includes:

the mounting box is provided with an opening at one side and forms a mounting cavity for mounting the battery;

the first mounting cover is connected with the mounting box and covers the mounting cavity, and one side of the first mounting cover, which deviates from the mounting box, is provided with the sliding groove.

Optionally, the pad protecting part further comprises a second mounting cover, the second mounting cover is connected with one side of the first mounting cover, which deviates from the mounting box, and the second mounting cover covers the sliding groove.

Optionally, the protection pad portion further includes a protection pad, the protection pad is connected to one side of the mounting box deviating from the first mounting cover, and the protection pad is made of a flexible material.

According to the embodiment of the application, the original battery in the glasses main body is separated and arranged in the pad part, namely the battery is arranged at the rear part, compared with the head-mounted display equipment in the current market, the weight of the glasses main body is reduced, in the process that a user wears and uses the head-mounted display equipment, the pad part and the battery can balance the whole weight of the head-mounted display equipment, so that the whole gravity center of the head-mounted display equipment moves backwards, the weight is prevented from being concentrated on the forehead of the user, the head of the user is prevented from inclining forwards, meanwhile, the pressure on the neck of the user is relieved, the user is prevented from feeling dizziness and discomfort or neck ache in the use process, and the use experience of the user is improved; the original battery in the glasses main part is separated out to with the battery set up in the pad portion, but not simple add the weight that the counter weight was used for balanced head mounted display device in addition in user back head and spoon department, realize the weight balance to head mounted display device under the prerequisite that does not additionally increase the whole weight of head mounted display device promptly this application embodiment, avoid the whole too heavy of head mounted display device, further guarantee user's use and experience.

In addition, the cushion part is connected with the glasses main body through the adjustable binding band, the length of the adjustable binding band can be adjusted, the adjustable binding band is made to be matched with the head circumference of different users, and the universality of the head-mounted display device is improved; this adjustable bandage is collapsible simultaneously, when the user is with adjustable bandage folding, drives the pad portion and removes to and to adjoin to glasses main part to reduce head-mounted display device's whole volume, and then reduced the occupation to the space, can convenience of customers accomodate and carry.

Drawings

The technical solutions and advantages of the present application will become apparent from the following detailed description of specific embodiments of the present application when taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural diagram of a head-mounted display device according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of another embodiment of a head-mounted display device according to an embodiment of the present disclosure

Fig. 3 is a cross-sectional view of the head-mounted display apparatus of fig. 1.

Fig. 4 is an exploded view of a head mount assembly of the head mounted display device of fig. 1.

Fig. 5 is a partial structural schematic diagram of the head-mounted display device in fig. 1.

FIG. 6 is a cross-sectional view of an adjustable strap of a headgear assembly of the head mounted display device of FIG. 1.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the related art, the VR head display weight in the current market is mainly concentrated on glasses, and when a user wears and uses the head-mounted display device, the weight of the head-mounted display device is concentrated on the forehead of the user, so that the head of the user leans forward, the blood supply insufficiency of the brain of the user is caused, the user feels dizzy and uncomfortable, and the neck of the user is aching due to long-time wearing and using, and the use experience of the user is influenced. In order to solve the above problems, the present application provides a head-mounted display device.

Referring to fig. 1, in an embodiment of the present application, a head-mounted display device 100 includes an eyeglass body 10 and a head mount assembly 20.

The glasses body 10 is a core part of the head-mounted display device 100, and in the embodiment of the present application, the glasses body 10 includes a housing 11, and a display component and a circuit board component disposed in the housing 11; the circuit board assembly includes a circuit board and a processor connected to the circuit board, the display assembly includes a display and a convex lens, the circuit board is connected to the display and displays a corresponding picture on the display, the convex lens is used for refracting light to enlarge the display picture of the display, increase the viewing angle and enhance the display stereoscopic effect, so that a user has a feeling of being personally on the scene when using the glasses, and the specific structure and principle of the glasses main body 10 are well known in the art and will not be described in detail herein.

With continued reference to fig. 1, the headgear assembly 20 includes an adjustable strap 21 and a pad portion 22 connected to the adjustable strap 21, the pad portion 22 being disposed opposite the eyeglass body 10, the adjustable strap 21 connecting the pad portion 22 to the eyeglass body 10.

The adjustable straps 21 are adapted to fit over the head of the user to secure the eyeglass body 10 to the head of the user and to allow the eyeglass body 10 to be secured in front of the eyes of the user. Wherein, the length of the adjustable strap 21 can be adjusted to fit different users' head circumference sizes, improving the versatility of the head mounted display device 100.

It will be appreciated that there are many ways to achieve the adjustable length of the adjustable strap 21, and that the adjustable strap 21 may be adjustable in length by structural design, or by material selection. For example, the adjustable strap 21 may include a first sub-strap and a second sub-strap slidably connected to the first sub-strap, and the first sub-strap and the second sub-strap are slidably connected through a driving member (e.g., a gear), and the driving member drives the first sub-strap and the second sub-strap to slide toward or away from each other, so as to change the length of the adjustable strap 21; the adjustable binding band 21 can also be made of elastic material, so that the adjustable binding band has stretchability, can be stretched and lengthened under the action of external force, and can be restored to the original length after the action of the external force disappears.

The pad portion 22 is connected with the adjustable bandage 21 and is arranged opposite to the glasses main body 10, when the user wears and uses the head-mounted display device 100, the pad portion 22 is attached to the middle of the back head of the user, the contact area between the head-mounted assembly 20 and the head of the user is increased, the pressure of the adjustable bandage 21 on the head can be reduced, and meanwhile the head-mounted assembly 20 is guaranteed to be stably sleeved on the head of the user.

In the embodiment of the present application, the adjustable strap 21 is foldable, referring to fig. 2, when the user folds the adjustable strap 21 to the folded state, the adjustable strap 21 drives the pad portion 22 to move toward the glasses body 10 until the pad portion 22 moves to abut against the glasses body 10, as shown in fig. 2.

In this way, when the user needs to go out to carry the head-mounted display device 100, the adjustable strap 21 is folded to the state shown in fig. 2, so that the overall size of the head-mounted display device 100 can be reduced, the occupied space is reduced, and the user can conveniently store and carry the head-mounted display device.

It will be appreciated that there are many ways to achieve the folding of the adjustable strap 21, and that the adjustable strap 21 may be folded from a structural design or from a material selection. In the embodiment of the present application, the adjustable strap 21 is preferably designed in a material direction, and the material of the adjustable strap 21 is preferably a flexible material (so that the adjustable strap 21 can be bent and deformed), so that the structure of the adjustable strap 21 can be simplified, and the adjustable strap 21 can be ensured to be both adjustable in length and foldable.

In the embodiment of the present application, referring to fig. 3, a battery 221 is disposed in the pad portion 22, and the battery 221 is electrically connected to the circuit board assembly.

It can be understood that, compared with the prior art, in the embodiment of the present application, the original battery 221 in the glasses main body 10 is separated and disposed in the pad portion 22 (i.e. the battery 221 is disposed at the rear), so as to reduce the weight of the glasses main body 10, when the user wears and uses the head-mounted display device 100, the pad portion 22 and the battery 221 can balance the overall weight of the head-mounted display device 100, so that the overall center of gravity of the head-mounted display device 100 moves backward, thereby avoiding the weight from concentrating on the forehead of the user, preventing the head of the user from tilting forward, and simultaneously relieving the pressure on the neck of the user, thereby avoiding the user from feeling dizziness and discomfort or neck ache in the using process, and further improving the user experience.

Moreover, this application embodiment separates out original battery 221 in glasses main body 10 to set up battery 221 in pad portion 22, rather than simply add the counter weight in addition in user's back of the head spoon department and be used for balancing head mounted display device 100's weight, this application embodiment realizes the weight balance to head mounted display device 100 under the prerequisite that does not additionally increase the whole weight of head mounted display device 100 promptly, avoids whole too bulky of head mounted display device 100, further guarantees user's use experience.

It is understood that the head-mounted display device 100 further includes electrical connection lines, the circuit board assembly is electrically connected to the battery 221 through the electrical connection lines, and the battery 221 supplies power to the circuit board assembly through the electrical connection lines so as to realize the display function of the head-mounted display device 100. For example, by providing a first interface electrically connected to the circuit board assembly on the housing 11 of the glasses body 10 and a second interface electrically connected to the battery 221 on the protection pad 22, when the user needs to use the head-mounted display device 100, the battery 221 and the circuit board assembly can be electrically connected by connecting the power line with the first interface and the second interface; the electrical connection line may be integrally provided with the glasses body 10, and specifically, the electrical connection line may be provided depending on the adjustable strap 21, for example, the electrical connection line may be fixed to an outer side wall of the adjustable strap 21, or may be provided inside the adjustable strap 21.

In order to prevent the user from losing the power line and avoid forgetting to carry the power line when the user carries the head-mounted display device 100 out, the embodiment of the present application preferably adopts the arrangement of the electrical connection line integrally with the head-mounted display device 100. Specifically, in the present embodiment, the electrical connection line is provided inside the adjustable strap 21.

It can be understood that, in the embodiment of the present application, it is preferable to dispose the electrical connection line in the adjustable strap 21, and compared with fixing the electrical connection line outside the adjustable strap 21, the overall structure of the head-mounted display device 100 can be simplified, and the external circuit is prevented from being entangled, and the use experience of the user is prevented from being affected.

Referring to fig. 3 and 4, in order to achieve the adjustable length of the adjustable strap 21, in the embodiment of the present application, the adjustable strap 21 has a first end 21a, a second end 21b and a connecting section 21c connected between the first end 21a and the second end 21b, a first connecting portion 111 and a second connecting portion 112 are disposed on two opposite sides of the glasses body 10, the first end 21a is fixedly connected to the first connecting portion 111, the second connecting portion 112 is a rotating shaft, and the second end 21b is wound around the rotating shaft and is bonded to the connecting section 21 c.

It can be understood that the length of the adjustable strap 21 can be adjusted by pulling the second end 21b to rotate around the rotation axis and changing the position where the second end 21b is adhered to the connecting section 21c, so that the adjustable strap can be adapted to the head circumference of different users, and the versatility of the head-mounted display device 100 is improved.

Specifically, the second end 21b is connected to a first adhesive portion on a side facing the connecting section 21c, a second adhesive portion is connected to a portion of the connecting section 21c near the second end 21b on a side facing the second end 21b, and the second end 21b and the connecting section 21c are adhesively connected by the first adhesive portion and the second adhesive portion. In this application embodiment, first bonding portion and second bonding portion are magic subsides.

In the embodiment of the present application, a wire passage (not shown in the figure) is disposed in the adjustable binding band 21, a first opening (not shown in the figure) is disposed at the first end 21a and communicates with the wire passage and the inside of the housing 11, a second opening is disposed at one side of the middle portion of the connection section 21c facing the battery 221 and communicates with the wire passage and the inside of the protection pad 22, an electrical connection wire penetrates through the wire passage, one end of the electrical connection wire extending out of the first opening is electrically connected to the circuit board assembly, and one end of the electrical connection wire extending out of the second opening is electrically connected to the battery.

Since the length of the adjustable strap 21 is adjustable, in order to ensure that the pad part 22 is always opposite to the glasses main body 10 when the user adjusts the length of the adjustable strap 21, so that the pad part 22 can be attached to the middle of the back of the head of different users, in the embodiment of the present application, please refer to fig. 4 and 5 in combination, the pad part 22 is provided with a sliding slot 226 for the adjustable strap 21 to pass through, and the pad part 22 is slidably connected with the adjustable strap 21 through the sliding slot 226.

It can be understood that, according to the embodiment of the present application, by slidably connecting the pad part 22 and the adjustable strap 21, in the process of adjusting the length of the adjustable strap 21, the pad part 22 can be adjusted to slide relative to the adjustable strap 21, so that the pad part 22 can be just opposite to the glasses main body 10, and thus, the pad part 22 of the embodiment of the present application can be adjusted to the middle of the back brains of different users, thereby ensuring the universality of the head-mounted display device 100, and ensuring that any user using the head-mounted display device 100 can enjoy the high-quality use experience.

Referring to fig. 3 and 4 in combination, in the embodiment of the present application, pad 22 includes a mounting box 222 and a first mounting cover 223; wherein, one side of the mounting box 222 is open and is provided with a mounting cavity for mounting the battery 221; the first mounting cover 223 is connected with the mounting box 222 and covers the mounting cavity, and one side of the first mounting cover 223, which faces away from the mounting box 222, is provided with the sliding groove 226.

As shown in fig. 4, the mounting box 222 is integrally arc-shaped to substantially fit the contour of the back of the head of the user, so that the pad portion 22 can be attached to the back of the head of the user sufficiently, and the user is prevented from feeling uncomfortable. It is understood that a fixing structure (not shown) for fixing the battery 221 may be disposed in the mounting cavity to fixedly mount the battery 221 in the mounting cavity.

As shown in fig. 4, the first mounting cover 223 is plate-shaped, the first mounting cover 223 has a curvature that matches the mounting box 222, and the sliding groove 226 is disposed on a side of the first mounting cover 223 away from the mounting box 222.

The first mounting cover 223 is provided with a through hole 228 penetrating through itself, and the through hole 228 is provided at the sliding groove 226, the through hole 228 communicates the mounting cavity with the sliding groove 226, so that one end of the electrical connection wire in the adjustable strap 21 extending out of the second opening can pass through the through hole 228 to enter the mounting cavity to be electrically connected with the battery 221.

It should be noted that, since the pad portion 22 is slidably connected to the adjustable strap 21 through the sliding slot 226, the end of the electrical connection wire extending out of the second opening is left with a sufficient length, so that when the user drives the pad portion 22 to slide relative to the adjustable strap 21, the portion of the electrical connection wire near the connection portion with the battery 221 has a sufficient moving margin, thereby ensuring that the electrical connection wire can be electrically connected to the battery 221 during the sliding process.

Further, in the embodiment of the present application, please refer to fig. 6, the adjustable strap 21 includes an insulating layer 211 and a braid layer 212 covering the outer circumferential wall of the insulating layer 211, and the wire passing channel is disposed in the insulating layer 211. It should be noted that the width (or diameter), thickness and position of the insulating layer 211, the braid 212 and the electrical connection wires 213 in fig. 6 are merely illustrative and should not be considered as limiting the present application.

It can be understood that the insulating layer 211 is made of an insulating material to prevent the electrical connection wires from leaking electricity and avoid electrical stabbing pain or electrical burning on the head of a user during use. Meanwhile, the insulating layer 211 is made of a waterproof material, and the electric connecting wires are arranged in the insulating layer 211, so that short circuit caused by sweat or other liquid of a user can be prevented.

On one hand, the outer peripheral wall of the insulating layer 211 is further provided with the woven layer 212, and the surface of the woven layer 212 is rough, so that the friction force of the adjustable bandage 21 in contact with the head of the user is increased, and the head-mounted display device 100 is further ensured to be stably worn on the head of the user; in one aspect, the woven layer 212 can be customized according to user personalization, which improves the appearance of the head-mounted display device 100.

Specifically, in an embodiment, the electrical connection line may be formed by injection molding with the insulating layer 211 through an injection molding process, specifically, the electrical connection line is fixed in an injection molding cavity of an injection mold, then an injection molding filling liquid for forming the insulating layer 211 is filled in the injection molding cavity, and after cooling, the insulating layer 211 and the electrical connection line are connected into a whole; in another embodiment, the insulating layer 211 may be formed by molding two insulating tapes, sandwiching the electrical connection wire between the two insulating tapes, and tightly connecting the two insulating tapes by glue.

Since the pad portion 22 is slidably connected to the adjustable strap 21 through the sliding slot 226, in order to prevent the pad portion 22 from sliding too far (exceeding the moving margin of the electrical connection line) relative to the adjustable strap 21 and pulling the electrical connection line to loosen or break the connection between the electrical connection line and the battery 221, in the embodiment of the present application, please refer to fig. 3, 4 and 5, a position-limiting post 227 is disposed in the sliding slot 226, the adjustable strap 21 is provided with a position-limiting slot 214 extending along the length direction thereof, and the position-limiting post 227 is inserted into the position-limiting slot 214.

Thus, by arranging the limiting groove 214 on the adjustable binding band 21 and arranging the limiting post 227 at the bottom of the sliding groove 226, the limiting groove 214 limits the limiting post 227 along the two sides of the length direction of the adjustable binding band 21, so that the pad portion 22 can only slide in the limiting range of the limiting groove 214, and the electric connection line and the battery 221 are prevented from being connected and loosened due to the overlarge sliding distance of the pad portion 22.

Specifically, in the embodiment of the present application, the length of the limiting groove 214 is 70mm.

With continued reference to fig. 3 and 4, in the present embodiment, pad 22 further includes a second mounting cover 224, the second mounting cover 224 is connected to a side of the first mounting cover 223 facing away from the mounting box 222, and the second mounting cover 224 covers the sliding slot 226 to prevent the adjustable strap 21 from falling out of the sliding slot 226.

Wherein, one side that first installation lid 223 deviates from mounting box 222 is provided with a plurality of locating holes, and one side that second installation lid 224 is towards first installation lid 223 corresponds protruding a plurality of reference columns that are equipped with, and a plurality of reference columns are one-to-one inserted and are located the locating hole, and wherein, reference column and locating hole are interference fit to the realization is covered 223 with the second installation and is covered 224 the plug-in connection with first installation. It can be understood that, by inserting the first mounting cover 223 and the second mounting cover 224, when the user needs to replace the battery 221 or repair the electrical connection wires, the first mounting cover 223 and the second mounting cover 224 can be easily detached and mounted, so that the user can conveniently maintain the head-mounted display device 100.

In the embodiment of the present application, with continuing reference to fig. 2, pad 22 further includes a protection pad 225, where protection pad 225 is connected to a side of mounting box 222 away from first mounting cover 223, and the material of protection pad 225 is a flexible material.

It can be understood that, by providing the protection pad 225 on the side of the mounting box 222 away from the first mounting cover 223, when the user wears and uses the head-mounted display device 100, the protection pad 225 is attached to the back of the head of the user, and since the protection pad 225 is made of a flexible material, the protection pad can be flexibly deformed, so as to buffer the head of the user and avoid the user from generating discomfort of a hard object; moreover, by arranging the protection pad 225 to contact with the back of the head of the user, the friction force between the pad part 22 and the head of the user is increased, the pad part 22 and the binding band are further ensured to be stably sleeved on the head of the user, and the phenomenon that the head-mounted display device 100 falls off due to the fact that the pad part 22 slides relative to the back of the user is avoided.

The material of the protection pad 225 may be sponge, silica gel, latex, etc., and the specific material of the protection pad 225 is not limited herein.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The head-mounted display device provided in the embodiments of the present application is described in detail above, and the principles and embodiments of the present application are described herein by applying specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A head-mounted display device, comprising:

2. The head-mounted display device of claim 1, further comprising electrical connection lines through which the circuit board assembly is electrically connected to the battery, the electrical connection lines being disposed within the adjustable strap.

3. The head-mounted display apparatus according to claim 2, wherein the adjustable strap has a first end, a second end and a connecting section connected between the first end and the second end, the glasses body has a first connecting portion and a second connecting portion at two opposite sides, the first end is fixedly connected with the first connecting portion, the second connecting portion is a rotating shaft, and the second end is wound around the rotating shaft and is bonded with the connecting section.

4. The head-mounted display device of claim 3, wherein a wire passage is disposed in the adjustable strap, the first end of the adjustable strap is provided with a first opening communicating the wire passage with the inside of the housing, one side of the middle portion of the connecting section facing the battery is provided with a second opening communicating the wire passage with the inside of the pad portion, the electrical connection wire penetrates through the wire passage, one end of the electrical connection wire extending out of the first opening is electrically connected with the circuit board assembly, and one end of the electrical connection wire extending out of the second opening is electrically connected with the battery.

5. The head-mounted display device of claim 4, wherein the adjustable strap comprises an insulating layer and a braid layer sleeved on the outer peripheral wall of the insulating layer, and the wire passage is disposed in the insulating layer.

6. The head-mounted display device of any one of claims 1 to 5, wherein the pad portion is provided with a sliding slot for the adjustable strap to pass through, and the pad portion is slidably connected with the adjustable strap through the sliding slot.

7. The head-mounted display device of claim 6, wherein a limiting post is disposed in the sliding groove, the adjustable strap is provided with a limiting groove extending along a length direction of the adjustable strap, and the limiting post is inserted into the limiting groove.

8. The head-mounted display device of claim 6, wherein the pad portion comprises:

9. The head-mounted display device of claim 8, wherein the pad portion further comprises a second mounting cover connected to a side of the first mounting cover facing away from the mounting box, and the second mounting cover covers the chute.

10. The head-mounted display device of claim 8, wherein the pad portion further comprises a protective pad, the protective pad is connected to a side of the mounting box facing away from the first mounting cover, and the protective pad is made of a flexible material.