WO2019090460A1

WO2019090460A1 - Head-mounted display apparatus

Info

Publication number: WO2019090460A1
Application number: PCT/CN2017/109664
Authority: WO
Inventors: 余林蔚
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2017-11-07
Filing date: 2017-11-07
Publication date: 2019-05-16
Also published as: CN111213081A

Abstract

A head-mounted display apparatus (1000), comprising: a headphone device (100) and a display device (200). The headphone device (100) comprises a base (110). The display device (200) comprises a connection assembly (210) detachably mounted on the base (110); the connection assembly (210) comprises a snap-fit base (211), a first snap-fit rod (212) and a second snap-fit rod (213) that are separately mounted in the snap-fit base (211), a force applying member (214) mounted in the snap-fit base (211) and combined with the first snap-fit rod (212) and the second snap-fit rod (213), and a toggle assembly (215) movably mounted on the snap-fit base (211) and linked with both the first snap-fit rod (212) and the second snap-fit rod (213). The display device (200) and the headphone device (100) are detachably connected to each other and can be used independently; the flexibility of using the head-mounted display apparatus is improved; use scenarios of the head-mounted display apparatus are enriched.

Description

Head-mounted display device

Technical field

The present invention relates to electronic devices, and more particularly to a head mounted display device.

Background technique

At present, the earphone portion and the display portion of the head-mounted display device are not detachable, and the use is limited.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention is required to provide a head mounted display device.

The head mounted display device of the embodiment of the present invention includes:

An earphone device, the earphone device includes a base, the base is provided with a receiving cavity, and the base includes a base sidewall having opposite inner and outer surfaces, the base sidewall is opened through the Inner surface and mounting holes of the outer surface; and

a display device including a connection assembly detachably mounted on the base, the connection assembly including a card holder, a first lever, a second lever, and a mounting respectively mounted in the card holder a force applying member coupled to the first lever and the second lever in the card holder, movably mounted on the card holder and with the first lever and the second a latching assembly, wherein the first lever and the second lever press the force applying member and are retracted into the card seat when the toggle assembly is in the first position, so that the latching member is in the first position The connecting component can extend from the mounting hole into the receiving cavity, and when the toggle component is in the second position, one end of the first card bar and one end of the second card bar are from the card seat Both sides of the two are extended and engaged with the inner surfaces of opposite ends of the mounting hole under the pressing of the force applying member to mount the connecting assembly on the base.

In the head-mounted display device of the embodiment of the invention, the display device and the earphone device are detachably connected and used alone, which increases the flexibility of use of the head-mounted display device and enriches the use scene of the head-mounted display device.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above described advantages and additional aspects of the present invention will become apparent and readily understood from

1 is a schematic view showing the assembly of a head mounted display device according to an embodiment of the present invention.

2 is a schematic view showing a connection state of an earphone device and a connection assembly according to an embodiment of the present invention.

3 is a schematic view showing the structure splitting of the connection assembly according to the embodiment of the present invention.

4 is a schematic view showing the assembled structure of the connection assembly according to the embodiment of the present invention.

Fig. 5 is a partially schematic exploded view of the earphone device according to the embodiment of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientations of "post", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the present invention and the simplified description, and is not intended to indicate or imply that the device or component referred to has a specific orientation, and is constructed and operated in a specific orientation. Therefore, it should not be construed as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" is two or two Above, unless specifically stated otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the present invention may be repeated with reference to the numerals and/or reference numerals in the various examples, which are for the purpose of simplicity and clarity, and do not indicate the relationship between the various embodiments and/or arrangements discussed. Moreover, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

Referring to FIG. 1 to FIG. 5 , the head mounted display device 1000 of the embodiment of the present invention may be a virtual reality device for performing functions such as video playing and games. The head mounted display device 1000 includes an earphone device 100 and a display device 200. The earphone device 100 includes a base 110, and the base 110 defines a receiving cavity. The base sidewall 111 of the base 110 defines a mounting hole 111a. The base sidewall 111 includes opposite inner surfaces 111b and an outer surface. 111c. The mounting hole 111a penetrates the inner surface 111b and the outer surface 111c. The display device 200 includes a connection assembly 210 that is detachably mounted on the base 110. The connection assembly 210 includes a card holder 211, a first lever 212, a second lever 213, a force applying member 214, and a toggle assembly 215. The first lever 212 and the second lever 213 are respectively mounted in the card holder 211. The force applying member 214 is mounted in the card holder 211 and combined with the first lever 212 and the second lever 213, and the dial assembly 215 is movable. The first rod 212 and the second rod 213 are pressed against the force applying member 214 when the dial assembly 215 is in the first position. The inner portion of the first rod 212 and the end of the second rod 213 are from the holder when the locking assembly 210 is inserted into the receiving cavity from the mounting hole 111a. Both sides of the 211 extend and are respectively engaged with the inner surface 111b of the opposite ends of the mounting hole 111a under the pressing of the urging member 214 to mount the connecting assembly 210 on the susceptor 110. The display device 200 also includes related components such as a lens module, a circuit, and a battery, which are not shown. When the earphone device 100 and the display device 200 are connected, the earphone device 100 and the display device 200 can work together to simultaneously video and audio for the user. When the earphone device 100 and the display device 200 are separated, the earphone module 100 can be connected to other display devices through a card holder or a connection line, and the display device 200 can also be connected to other audio devices through a connection component or wirelessly.

It can be understood that the detachable connection enables the earphone device 100 and the display device 200 to be used independently, which reduces the cost of damage to the head mounted display device 1000, and the user can also expand or upgrade the head mounted display device 1000 according to individual needs, for example, For a user with high demand for sound quality, the earphone device 100 can be replaced by itself. For example, after the product of the display device 200 is updated, the user can also replace the component. Similarly, after the head-mounted display device 1000 fails, it can be repaired or replaced separately, which reduces maintenance costs.

In addition, the detachable connection enriches the user's usage scenarios to meet the needs of the user, and the user can use any one of the components separately, and the wearing is more light and comfortable due to the split design.

Referring to FIG. 2 to FIG. 5, in some embodiments, the card holder 211 includes a card body 211a and a card cover 211b. The top surface of the card body 211a is provided with a receiving slot, and the card cover 211b is mounted on the top. The receiving surface is covered on the surface, and the first rod 212 and the second rod 213 are respectively received in the receiving groove, and are moved. The assembly 215 passes through the deck upper cover 211b and extends into the receiving slot.

Specifically, the top surface of the card body 211a is provided with a receiving slot, and can receive the relevant components and mechanisms, and is formed into a protection. The card cover 211b can be covered and received above the receiving slot by gluing, snapping, or the like. In this embodiment, the side wall of the card body 211a perpendicular to the bottom surface can open a card hole, and the card cover upper cover 211b is provided with a buckle, and the buckle is matched with the card hole to realize the engagement. Of course, it is also possible to use a threaded connection or the like, and no limitation is imposed here. The side wall of the holder body 211a may have a through hole so that the first rod 212 and the second rod 213 may protrude from the holder 211.

In such an embodiment, the first lever 212 includes a first lever body 212a, a first engaging portion 212b and a first pushing portion 212c at opposite ends of the first lever body 212a, and the first lever body 212a passes The first pivot 216 is rotatably mounted in the receiving slot, and the second lever 213 includes a second lever body 213a, a second engaging portion 213b and a second pushing portion 213c at opposite ends of the second lever body 213a. The second lever body 213a is rotatably mounted in the receiving slot by the second pivot 217, and the biasing member 214 is disposed between the first lever 212 and the second lever 213. When the dial assembly 215 is in the second position The urging member 214 provides a first pressure and a second pressure to the first engaging portion 212b and the second engaging portion 213b, respectively. The first pressure and the second pressure cause the first engaging portion 212b and the second engaging portion 213b. They respectively protrude from the two sides of the card holder 211 and respectively engage with the inner surfaces 111b of the opposite ends of the mounting hole 111a to mount the connection assembly 210 on the base 211, and the first pushing portion 212c and the second pushing portion 213c are toggled. Component 215 is movably coupled.

Specifically, when the toggle assembly 215 is in the first position, the first pushing portion 212c and the second pushing portion 213c are subjected to an external force, and the first pivot 216 and the second pivot 217 serve as the first lever 212 and the second, respectively. The fulcrum of the lever 213 causes the first engaging portion 212b and the second engaging portion 213b to have a tendency to move in opposite directions while pressing the biasing member 214, and when the dialing assembly 215 is in the second position, the first pushing portion The external force is removed by the 212c and the second pushing portion 213c, and the urging member 214 applies pressure to the first engaging portion 212b and the second engaging portion 213b, so that the first engaging portion 212b and the second engaging portion 213b extend out of the card. Block 211. The first pushing portion 212c and the second pushing portion 213c are movably connected to the toggle assembly 215, and an external force is applied to the toggle assembly 215 to drive the first pushing portion 212c and the second pushing portion 213c. Forced movement.

Further, in such an embodiment, the base 211 further includes a fixing member 220 extending from a bottom surface of the receiving groove, and the fixing member 220 is located between the first card body 212a and the second body 213a, and the force applying member 214 For the torsion spring sleeved on the fixing member 220, one end of the torsion spring is in contact with the first rod 212, and the other end of the torsion spring is in contact with the second rod 213.

Specifically, the two walls of the torsion spring can respectively apply force to the first engaging portion 212b and the second engaging portion 213b, and can be deformed when subjected to a force.

In other examples, the force applying member 214 may be two elastic members, one end of each elastic member being coupled to the fixing member 220 and the other end being coupled to the first lever 212 or the second lever 213. The elastic member can be a spring. The combination may be a contradiction or a fixed connection, and no limitation is imposed herein.

In some embodiments, the toggle assembly 215 includes a button 215a and a linkage 215b. The linkage 215b is movably disposed in the receiving slot, and the first pushing portion 212c and the second pushing portion 213c are respectively slidably coupled to the linkage 215b. On both sides, the button 215a is mounted on the card holder 211 and can be moved from the first position to the second position. The button 215a passes through the card upper cover 211b and extends into the receiving slot to be coupled with the linkage 215b. The button 215a is in the first position. The second position movement drives the linkage 215b to move in the receiving groove to drive the first pushing portion 212c and the second pushing portion 213c away from each other or close to each other.

Specifically, when a force is applied to the button 215a, the applied external force can act on the first pushing portion 212c and the second pushing portion 213c through the link 215b. Similarly, when the urging member 214 applies a force to the first engaging portion 212b and the second engaging portion 212c, the button 215a can also be reversely acted upon by the link 215b.

Further, in the embodiment, the first pushing portion 212c is provided with the first guiding hole 212d, the second pushing portion 213c is provided with the second guiding hole 213d, and the linking member 215b includes the linking body 215c and the opposite sides of the self-linked body 215c. The first guiding rod 215d and the second guiding rod 215e are extended, the first guiding rod 215d is disposed in the first guiding hole 212d, and the second guiding rod 215e is disposed in the second guiding hole 213d.

Specifically, the linkage 215 and the first pushing portion 212c and the second pushing portion 213c can cooperate with each other through the guiding rod and the guiding hole. The guide hole defines the stroke of the guide rod, and further, the force between the guide hole and the guide rod The movement of the engaging portion is driven to connect or disengage the connecting assembly 210 and the base 110.

Further, in such an embodiment, the card upper cover 211b includes a lower surface adjacent to the receiving slot and is provided with a through hole 211c. The button 215a includes a button body 215f and a joint portion 215g. The button body 215f includes a lower portion facing the card body 211a. The surface of the joint 215g extends from the lower surface. The linkage 215b further includes a first limiting block 215h and a second limiting block 215i extending from the linking body 215c. The first limiting block 215h is opposite to the second limiting block 215i. Forming a limiting space, the joint portion 215g passes through the through hole 211c and is received in the limiting space. The first limiting block 215h and the second limiting block 215i jointly define a moving stroke of the joint portion 215g, and the button body 215f is covered by the card seat. 211b blocked.

Specifically, the first limiting block 215h is opposite to the second limiting block 215i and forms a limiting space, thereby defining the stroke of the button 215a. The end of the coupling portion 215g can form a hook, the hook and the upper cover 211b. The lower surface is movably engaged, and the button body 215a is blocked by the card upper cover 211b, that is, when the card upper cover 211b is mounted on the receiving groove, the button body 215f and the joint portion 215g are pressed against the card holder. Different surfaces of the cover 211b.

Further, in such an embodiment, the card upper cover 211b includes an upper surface away from the receiving slot, the card upper cover 211b is provided with a recess, the through hole 211c is formed at the bottom of the recess, and the button body 215f is received in the recess. And flush with the upper surface of the deck upper cover 211b.

As such, the button body 215a can be received in the recess, so that the connection assembly 210 is more aesthetically pleasing.

In some embodiments, the side of the inner surface 111b adjacent to the mounting hole 111a forms an inclined section 112 that protrudes toward the receiving cavity. The inclined section 112 gradually approaches the interior of the receiving cavity in a direction close to the mounting hole 111a, and the first engaging The portion 212b includes a slanted first engaging surface corresponding to the inclined portion 112, and the second engaging portion 213b includes a slanted second engaging surface corresponding to the inclined portion 112, the first engaging portion 212b and the second engaging portion When the 213b protrudes into the mounting hole 111a, the first engaging surface and the second engaging surface engage with the inclined section 112 of the inner surface 111b.

It can be understood that the inner surface 111b has an arc shape, and the shape of the inclined section 112 is matched with the engaging surface, for example, a rectangular surface, so that the first engaging portion 212b and the second engaging portion 213b and the inner surface 111b can be made. The snap fit is stronger. Of course, in some examples, the first engaging portion 212b and the The engaging surface of the second engaging portion 213b is formed in an arc shape to match the inner surface 111b.

In some embodiments, the earphone device 100 further includes a limiting member 120 extending from the bottom wall of the receiving cavity. The two ends of the limiting member 120 are respectively coupled with the opposite ends of the mounting hole 111a to be coupled to the base side. The wall 111 forms a receiving space, and the receiving space communicates with the mounting hole 111a. The receiving space is for receiving a portion of the connecting component 210 that protrudes into the receiving cavity.

In this way, the accommodating space can protect the engaged portion when the connecting component 210 is engaged with the mounting hole 111a.

Further, in the embodiment, the limiting member 120 includes a limiting plate 121 opposite to the mounting hole 111a and a limiting sidewall 122 extending from opposite sides of the limiting plate 121, and each limiting sidewall 122 One end is connected to the limiting plate 121, and the other end is partially connected to the inner surface 111b and formed with a notch for the first engaging portion 212b and the second engaging portion 213b to pass through.

In some embodiments, the head mounted display device 1000 further includes an electrical plug 310 and an electrical socket 320 corresponding to the electrical plug 310. The limiting plate 121 is provided with a fixing hole 121a. The card body 211a is opposite to the limiting plate 121. A through hole 218a is defined in the sidewall 218 of the body. The electrical socket 310 is fixed in the receiving slot and corresponding to the through hole 218a. The electrical plug 310 extends from the fixing hole 121a into the limiting space and can be worn through the side of the limiting plate 121. The through hole 218a is inserted and fixed to the electrical socket 330.

In such an embodiment, the card holder 211 further includes a blocking plate 219 extending from the bottom of the receiving slot. The blocking plate 219 and the body side wall 218 together define a fixed space, and the electrical socket 320 is fixed in the fixed space.

Further, in such an embodiment, the electrical plug 310 includes a plurality of pins, the electrical socket 320 includes a plurality of pins, the number of the fixing holes 121a is plural, and the number of the through holes 218a is plural, and the pins and the fixing holes 121a The through holes 218a and the pins correspond to each other.

The fixed space is used for accommodating the electrical socket 320, and the connection between the reinforcing electrical socket 320 and the electrical plug 310 is not easy to loosen.

In the embodiment, the earphone device 100 further includes a cover 130. The cover 130 is mounted in the receiving cavity and accommodates the limiting member 120 and the connecting component 210 extending into the receiving space.

It can be understood that the earphone device 100 further includes other electronic components and circuits not shown through the cover body. The closing of the accommodating space 130 can make the space planning in the earphone device 100 more tidy. The cover body 130 and the accommodating space can be connected by means of snaps, threads, etc., and are not limited.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. The specific features, structures, materials or characteristics described in the embodiments or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

A head mounted display device, comprising:

An earphone device, the earphone device includes a base, the base is provided with a receiving cavity, and the base includes a base sidewall having opposite inner and outer surfaces, the base sidewall is opened through the Inner surface and mounting holes of the outer surface; and

a display device including a connection assembly detachably mounted on the base, the connection assembly including a card holder, a first lever, a second lever, and a mounting respectively mounted in the card holder a force applying member coupled to the first lever and the second lever in the card holder, movably mounted on the card holder and with the first lever and the second a latching assembly, wherein the first lever and the second lever press the force applying member and are retracted into the card seat when the toggle assembly is in the first position, so that the latching member is in the first position The connecting component can extend from the mounting hole into the receiving cavity, and when the toggle component is in the second position, one end of the first card bar and one end of the second card bar are from the card seat Both sides of the two are extended and engaged with the inner surfaces of opposite ends of the mounting hole under the pressing of the force applying member to mount the connecting assembly on the base.
The head-mounted display device according to claim 1, wherein the card holder comprises a card holder body and a card holder upper cover, and a top surface of the card holder body is provided with a receiving slot, and the card holder upper cover is mounted The first card bar and the second card bar are respectively received in the receiving slot, and the toggle assembly passes through the upper cover of the card holder and extends Enter the storage slot.
The head-mounted display device according to claim 2, wherein the first card bar comprises a first card body, a first engaging portion and a first pushing portion at opposite ends of the first card body The first lever body is rotatably mounted in the receiving slot through a first pivot, and the second lever includes a second lever body and a second position at opposite ends of the second lever body a latching portion and a second pushing portion, wherein the second lever body is rotatably mounted in the receiving slot by a second pivot, and the biasing member is disposed on the first lever and the second Between the levers, the toggle assembly is located in the second position The force applying member provides a first pressure and a second pressure to the first engaging portion and the second engaging portion, respectively, and the first pressure and the second pressure cause the first card The engaging portion and the second engaging portion respectively protrude from both sides of the card holder and respectively engage with the inner surfaces of opposite ends of the mounting hole to mount the connecting assembly on the base The first pushing portion and the second pushing portion are movably connected to the toggle assembly.
The head-mounted display device according to claim 3, wherein the base further comprises a fixing member extending from a bottom surface of the receiving groove, the fixing member being located at the first card body and the first The two force-applying members are a torsion spring sleeved on the fixing member, one end of the torsion spring is in contact with the first card bar, and the other end of the torsion spring is opposite to the The second lever is in conflict.
The head-mounted display device according to claim 3, wherein the toggle assembly comprises a button and a linkage, the linkage being movably disposed in the receiving slot, the first pushing portion and the The second pushing portions are respectively slidably coupled to both sides of the linkage, the button being mounted on the card holder and movable from the first position to the second position, the button passing through the The upper cover of the card holder and the receiving slot are coupled to the linkage member, and the button moves in the first position and the second position to move the linkage member in the receiving slot to drive the The first pushing portion and the second pushing portion are away from each other or close to each other.
The head-mounted display device according to claim 5, wherein the first pushing portion is provided with a first guiding hole, the second pushing portion is provided with a second guiding hole, and the linking member comprises a linking body and a self- a first guiding rod and a second guiding rod extending on opposite sides of the linking body, the first guiding rod is disposed in the first guiding hole, and the second guiding rod is disposed in the second guiding Inside the hole.
The head-mounted display device according to claim 6, wherein the upper cover of the card holder comprises a lower surface adjacent to the receiving slot and is provided with a through hole, and the button comprises a button body and a joint portion. The button body includes a lower surface facing the card body, the joint portion extends from a lower surface of the card body, and the linkage further includes a first limiting block and a second extending from the linking body a limiting block, the first limiting block is opposite to the second limiting block and forms a limiting space, and the connecting portion passes through the through hole and is received in the limiting space, the first limit The bit block and the second limit block collectively define a movement stroke of the joint portion, and the button body is blocked by the upper cover of the deck.
The head-mounted display device according to claim 7, wherein the upper cover of the card holder comprises an upper surface away from the receiving groove, the upper cover of the card holder is provided with a groove, and the perforation is formed in the At the bottom of the recess, the button body is received within the recess and flush with the upper surface.
The head-mounted display device according to claim 3, wherein a side of the inner surface adjacent to the mounting hole forms an inclined section that protrudes toward the receiving cavity, and the inclined section is adjacent to the mounting hole The direction is gradually inclined toward the inside of the receiving cavity, the first engaging portion includes an inclined first engaging surface corresponding to the inclined portion, and the second engaging portion includes a corresponding corresponding to the inclined portion The first engaging surface and the second engaging surface extend into the mounting hole, the first engaging surface and the second engaging surface and the inner portion when the first engaging portion and the second engaging portion protrude into the mounting hole The inclined section of the surface is engaged.
The head-mounted display device according to claim 3, wherein the earphone device further comprises a limiting member, the limiting member extends from a bottom wall of the receiving cavity, and the two ends of the limiting member respectively The two ends of the mounting hole are combined to form a receiving space with the side wall of the base, and the receiving space is in communication with the mounting hole, and the receiving space is configured to receive the connecting component and extend into the receiving cavity. part.
The head-mounted display device of claim 10, wherein the limiting member comprises a limiting plate opposite to the mounting hole and a limiting side wall extending from opposite sides of the limiting plate, respectively. One end of each of the limiting side walls is connected to the limiting plate, and the other end is connected to the inner surface portion to form a defect The mouth passes through the first engaging portion and the second engaging portion.
The head-mounted display device according to claim 11, wherein the head-mounted display device further comprises an electrical plug and an electrical socket corresponding to the electrical plug, wherein the limiting plate is provided with a fixing hole, a through hole is defined in a sidewall of the body opposite to the limiting plate, and the electrical socket is fixed in the receiving slot and corresponding to the through hole, and the electrical plug is from the limiting plate One side of the fixing hole extends into the limiting space and can be fixedly inserted into the electrical socket through the through hole.
The head-mounted display device according to claim 12, wherein the card holder further comprises a blocking plate extending from a bottom of the receiving slot, the blocking plate and the body sidewall jointly enclosing a fixed space. The electrical socket is fixed in the fixed space.
The head-mounted display device according to claim 12, wherein the electrical plug comprises a plurality of pins, the electrical socket comprises a plurality of pins, and the number of the fixing holes is plural, and the through holes are The number is plural, and the pin, the fixing hole, the through hole, and the pin correspond to each other.
The head-mounted display device according to claim 14, wherein the earphone device further comprises a cover body, wherein the cover body is mounted in the receiving cavity and accommodates the limiting member and extends into the receiving space The connection component inside.