CN115047633B

CN115047633B - Head-mounted display device

Info

Publication number: CN115047633B
Application number: CN202210971642.0A
Authority: CN
Inventors: 杨维坤; 殷奇
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-22
Anticipated expiration: 2042-08-15
Also published as: CN115047633A

Abstract

The invention discloses a head-mounted display device, wherein the head-mounted display device comprises a shell, a face mask, a fixing belt and an adjusting mechanism. The shell is internally provided with a containing cavity; the face mask is attached to the outer wall of the shell and is used for being in contact with a human face; adjustment mechanism, at least part adjustment mechanism locates hold the intracavity, adjustment mechanism includes fixed subassembly, removal subassembly and adjusting part, fixed subassembly with fixed band fixed connection, remove the subassembly with shell fixed connection, be equipped with a plurality of fender position on the fixed subassembly under adjusting part's the drive, remove the subassembly for fixed subassembly removes, in order to drive the shell for the fixed band removes, in order to realize the many fender position of distance between face guard and the people's face are adjusted. According to the technical scheme, the multi-gear adjustment of the distance between the face mask of the head-mounted display device and the face of the person is achieved.

Description

Head-mounted display device

Technical Field

The invention relates to the technical field of display equipment, in particular to head-mounted display equipment.

Background

Head mounted display devices (HMDs), i.e. head displays. Through various head shows, send optical signal to eyes, can realize different effects such as Virtual Reality (VR), augmented Reality (AR), mixed Reality (MR).

With the development of technology, the application of the head-mounted display device in the life and production of people is more and more extensive. For users using head mounted display devices, there are two consumer groups, one being consumers wearing glasses and the other being consumers not wearing eyes.

In order to realize that same style wears display device, two consumer groups all can use, and present common head-mounted display device structure increases the face and steeps cotton or the head bubble is cotton, also through increasing a detachable plastic spare part, is used for increasing the distance between face guard and the people's face, and then gives the space for glasses. However, this head-mounted display device configuration can only provide two different distance adjustments and does not satisfy the consumer's multi-gear adjustment of the distance between the mask and the face of the person.

Disclosure of Invention

The invention mainly aims to provide a head-mounted display device, and aims to realize multi-gear adjustment of the distance between a face mask of the head-mounted display device and a human face.

To achieve the above object, the present invention provides a head-mounted display device, including:

a housing having a receiving cavity formed therein;

the mask is attached to the outer wall of the shell and is used for contacting with a human face;

fixing belts; and

adjustment mechanism, at least part adjustment mechanism locates hold the intracavity, adjustment mechanism includes fixed subassembly, removal subassembly and adjusting part, fixed subassembly with fixed band fixed connection, remove the subassembly with shell fixed connection, be equipped with a plurality of fender position on the fixed subassembly under adjusting part's the drive, remove the subassembly for fixed subassembly removes, in order to drive the shell for the fixed band removes, in order to realize the many fender position of distance between face guard and the people's face are adjusted.

Optionally, the fixed subassembly include with fixed band fixed connection's fixed plate, the fixed plate is equipped with the shifting chute, the shifting chute is equipped with a plurality of fender position portions along its length direction interval, the shifting subassembly include with shell fixed connection's movable plate, the adjusting subassembly includes adjustment button and the first elastic component that the transmission is connected, adjustment button locates the shell and stretches into hold the chamber, first elastic component is fixed in movable plate and card are gone into keep off the position portion under adjustment button's drive, first elastic component can be followed one keep off the position portion and deviate from and follow the shifting chute removes to another keep off the position portion, so that the movable plate for the fixed plate removes, in order to realize the different fender position of the distance between face guard and the people face are adjusted.

Optionally, the first elastic element includes an elastic body and a limiting cap disposed on the elastic body, a mounting groove is disposed on the moving plate, the elastic body is fixed to the mounting groove, and the limiting cap is snapped into the blocking portion and abuts against the adjusting button.

Optionally, a limiting groove is formed in the fixing plate, and one side, away from the adjusting button, of the limiting cap abuts against the limiting groove.

Optionally, the adjustment button comprises a button body and a button post which are connected, the button body is arranged on the shell and protrudes out of the shell, and the button post extends into the accommodating cavity and is abutted to the limiting cap.

Optionally, the button body is further provided with a stopping portion, and the stopping portion extends into the accommodating cavity and abuts against the inner wall of the outer shell.

Optionally, the moving assembly further includes two sliding rails, the two sliding rails are respectively fixed to two opposite sides of the moving plate, and two opposite sides of the fixing plate are respectively located in sliding grooves of the two sliding rails, so that the fixing plate and the sliding rails slide relatively.

Optionally, the adjusting mechanism further includes a second elastic member, a first hook is disposed at one end of the fixing plate, which faces the fixing band, of the fixing plate, a second hook is disposed at one end of the moving plate, which is away from the fixing band, and two ends of the second elastic member are respectively installed on the first hook and the second hook.

Optionally, the movable plate is kept away from the one end of fixed band is provided with the bolster, when distance between face guard and the people's face was located the most recent fender position, the fixed plate was kept away from the one end of fixed band with the bolster butt.

Optionally, the fixing assembly further comprises a decorative shell, and the fixing plate is located in the decorative shell.

According to one technical scheme, the shell, the face shield, the fixing belt and the adjusting mechanism are arranged in the head-mounted display device, the face shield is attached to the outer wall of the shell, the fixing component in the adjusting mechanism is fixedly connected with the fixing belt, the moving component in the adjusting mechanism is fixedly connected with the shell, a plurality of gears are arranged on the fixing component, and the moving component moves relative to the fixing component under the driving of the adjusting component of the adjusting mechanism to drive the shell to move relative to the fixing belt, so that the multi-gear adjustment of the distance between the face shield and a human face is realized. So, can satisfy the use of wearing two use groups of glasses and not wearing glasses, can also satisfy the user in addition and when not taking the head and wearing display device, observe external environment. Compared with the mode that the distance between the mask of the head-mounted display device and the face is adjusted by adopting detachable parts in the prior art, on one hand, the invention has the advantages that the adjustment operability of the distance between the mask and the face is stronger, and the adjustment operation is more convenient; on the other hand, through adjustment mechanism's setting, can realize the multi-gear adjustment of the distance between face guard and the people's face to satisfy different users to the demand of different distances, thereby improved head-mounted display device's application scope, also improved head-mounted display device's use travelling comfort.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a head-mounted display device according to an embodiment of the present invention;

FIG. 2 is an exploded view of one embodiment of the head mounted display device of FIG. 1;

FIG. 3 is a cross-sectional view of one embodiment of the head mounted display device of FIG. 1;

FIG. 4 is a schematic diagram of the head-mounted display device of FIG. 1 with an outer cover and a portion of a decorative cover removed;

fig. 5 is a schematic structural diagram of an embodiment of a back surface of a fixing plate in the head-mounted display device in fig. 2.

The reference numbers indicate:

reference numerals	Name (R)	Reference numerals	Name(s)
				100	Outer casing	412	Second hook
110	Containing cavity	420	Sliding rail
				200	Adjusting mechanism	421	Sliding chute
300	Fixing assembly	500	Adjusting assembly
				310	Fixing plate	510	Adjusting button
311	Movable groove	511	Button post
				312	Gear part	512	Button body
313	Limiting groove	513	Stop part
				314	First hook	520	A first elastic member
320	Decorative shell	521	Elastic body
				400	Moving assembly	522	Limit cap
410	Movable board	600	Second elastic member
				411	Mounting groove	700	Buffer piece

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Head mounted display device (HMD), i.e. head display. Through various head shows, send optical signal to eyes, can realize different effects such as Virtual Reality (VR), augmented Reality (AR), mixed Reality (MR).

With the development of technologies, the application of head-mounted display devices in life and production of people is more and more extensive. For users using head mounted display devices, there are two consumer groups, one being consumers wearing glasses and the other being consumers not wearing eyes.

In order to realize that same style wears display device, two consumer groups all can use, and present common head-mounted display device structure increases the face and steeps cotton or the head bubble is cotton, also through increasing a detachable plastic spare part, is used for increasing the distance between face guard and the people's face, and then gives the space for glasses. However, the head-mounted display device structure can only provide two different distance adjustments, and cannot meet the requirement of multi-gear adjustment of the distance between the face cover and the face of a consumer.

In view of this, the present invention provides a head-mounted display device.

Referring to fig. 1 to 3, in the embodiment of the present invention, the head-mounted display device includes a housing 100, a mask (not shown), a fixing band (not shown), and an adjusting mechanism 200, and the head-mounted display device may be a head-mounted display device such as VR glasses and AR glasses.

The mask comprises a shell 100, a containing cavity 110 formed in the shell, and a mask attached to the outer wall of the shell 100 and used for contacting with a human face. Specifically, the head mounted display device has a housing 100, and the housing 100 includes a front case and a rear case. For convenience of explanation, the side close to the face is defined as the back shell, and the side far from the face is defined as the front shell. Preceding shell and backshell surround and form and hold chamber 110, hold and install the screen, camera lens, circuit board isotructure that wear display device in the chamber 110. The face mask is mounted on the shell 100, more specifically, the face mask is attached to the outer wall of the rear shell, the overall shape of the face mask matches the shape of the face of a human body, and the face mask is in contact with the human face when the head-mounted display device is worn.

And a fixing band connected to the case 100, and when the head-mounted display device is worn, the fixing band is bound to the head of the human body to fix the mask on the head of the human body, thereby facilitating the use of the head-mounted display device by the user.

Adjustment mechanism 200, at least partial adjustment mechanism 200 is located and is held in the chamber 110, adjustment mechanism 200 includes fixed subassembly 300, remove subassembly 400 and adjusting part 500, fixed subassembly 300 and fixed band fixed connection, remove subassembly 400 and shell 100 fixed connection, be equipped with a plurality of fender position on the fixed subassembly 300, under adjusting part 500's drive, remove subassembly 400 and remove for fixed subassembly 300 to drive shell 100 and remove for the fixed band, in order to realize the multi-gear position of the distance between face guard and the people's face and adjust.

Specifically, a part of the adjusting mechanism 200 is disposed in the accommodating chamber 110, and another part of the adjusting mechanism 200 extends out of the accommodating chamber 110. The fixed component 300 in the adjusting mechanism 200 is fixedly connected with the fixing belt, and the moving component 400 in the adjusting mechanism 200 is fixedly connected with the housing 100, that is, the housing 100 is connected with the fixing belt through the adjusting mechanism 200, and the housing 100 can move relative to the fixing belt under the adjustment of the adjusting mechanism 200; so that the face shield attached to the outer wall of the rear shell of the housing 100 moves following the movement of the housing 100, that is, the face shield can move under the adjustment of the adjustment mechanism 200, thereby adjusting the distance between the face shield and the human face. More specifically, a plurality of different gears are disposed on the fixed component 300, so that the movable component 400 can move relative to the fixed component 300 under the driving of the adjusting component 500, thereby driving the housing 100 to move relative to the fixing band, when the movable component 400 is located at different gear positions of the fixed component 300, the relative distance between the housing 100 and the fixing band is different, and further the distance between the face mask and the face of a person is different, thereby realizing multi-gear adjustment of the distance between the face mask and the face of the person.

Thus, compared with the mode of adjusting the distance between the mask and the face by using detachable parts in the prior art, the adjusting mechanism 200 is arranged in the head-mounted display device, the moving component 400 of the adjusting mechanism 200 is fixedly connected with the shell 100 of the head-mounted display device, the fixing component 300 of the adjusting mechanism 200 is fixedly connected with the fixing strap of the head-mounted display device, and the moving component 400 moves relative to the fixing component 300 under the adjustment driving of the adjusting component 500 of the adjusting mechanism 200, so that the shell 100 is driven to move relative to the fixing strap, and the adjustment of the distance between the mask mounted on the shell 100 and the face is further realized. Set up a plurality of fender position on fixed subassembly 300, and then realize that the fender position of keeping off of the distance between face guard and the people face is adjusted, so, can satisfy the different demands of wearing two kinds of use groups of glasses and not wearing glasses. In addition, when the user needs not to take off the head-mounted display device, the user can see the external environment, and only the gear far away from the face needs to be arranged in the adjusting mechanism 200, so that the face of the user is not in contact with the mask, and the external environment can be seen when the user does not take off the head-mounted display device. Therefore, on one hand, the adjustment operability of the visual distance of the head-mounted display equipment is stronger, and the adjustment operation is more convenient; on the other hand, through adjustment mechanism 200's setting, can realize the multi-gear adjustment of the distance between face guard and the people's face to satisfy the demand of different users to different stadia, thereby improved wear display device's application scope, also improved wear display device's use travelling comfort.

According to one technical scheme of the invention, the shell 100, the face mask, the fixing belt and the adjusting mechanism 200 are arranged in the head-mounted display device, the face mask is attached to the outer wall of the shell 100, the fixing component 300 in the adjusting mechanism 200 is fixedly connected with the fixing belt, the moving component 400 in the adjusting mechanism 200 is fixedly connected with the shell 100, a plurality of gears are arranged on the fixing component 300, and the moving component 400 moves relative to the fixing component 300 under the driving of the adjusting component 500 of the adjusting mechanism 200 so as to drive the shell 100 to move relative to the fixing belt, so that the multi-gear adjustment of the distance between the face mask and a human face is realized. So, can satisfy the use of wearing two use groups of glasses and not wearing glasses, can also satisfy the user in addition and when not taking the head and wearing display device, observe external environment. Compared with the mode that the distance between the mask of the head-mounted display device and the face is adjusted by adopting detachable parts in the prior art, on one hand, the adjustment operability of the distance between the mask and the face is stronger and the adjustment operation is more convenient through the arrangement of the adjusting mechanism 200; on the other hand, through adjustment mechanism 200's setting, can realize the multi-gear adjustment of the distance between face guard and the people's face to satisfy different users to the demand of different distances, thereby improved wear display device's application scope, also improved wear display device's use travelling comfort.

Referring to fig. 2 and 3, further, the fixed assembly 300 includes a fixed plate 310 fixedly connected to the fixed belt, the fixed plate 310 has a moving slot 311, the moving slot 311 has a plurality of blocking portions 312 at intervals along a length direction thereof, the moving assembly 400 includes a moving plate 410 fixedly connected to the housing 100, the adjusting assembly 500 includes an adjusting button 510 and a first elastic member 520, the adjusting button 510 is disposed on the housing 100 and extends into the accommodating cavity 110, the first elastic member 520 is fixed to the moving plate 410 and is clamped into the blocking portions 312, and under the driving of the adjusting button 510, the first elastic member 520 can be disengaged from one blocking portion 312 and move to another blocking portion 312 along the moving slot 311, so that the moving plate 410 can move relative to the fixed plate 310, so as to implement different gear adjustments of the distance between the face mask and the human face.

Specifically, one end of the fixing plate 310 is located in the accommodating cavity 110, and the other end of the fixing plate extends out of the accommodating cavity 110 to be fixedly connected with the fixing band, so that the fixing connection between the fixing plate 310 and the fixing band is realized. For convenience of explanation, the head-mounted display device has a rear case side as the rear and a front case side as the front. The fixing plate 310 is formed with a moving groove 311 having a certain length along the front-rear direction of the head-mounted display device, and the moving groove 311 is provided with a plurality of stopper portions 312 at intervals along the length direction thereof. The movable plate 410 is fixedly connected to the housing 100, in an embodiment, the movable plate 410 is fixed in the accommodating cavity 110 of the housing 100 by bolts, and of course, the movable plate 410 and the housing 100 may also be connected by clamping, welding, or the like. The adjustment assembly 500 includes an adjustment button 510 and a first elastic member 520, wherein the adjustment button 510 is disposed on the housing 100 and is in transmission connection with the first elastic member 520 disposed in the receiving chamber 110. The first elastic member 520 is fixed on the moving plate 410 and is clamped with the fixed plate 310 through the stopper 312. When the gear position of the distance between the face mask and the human face needs to be adjusted, the adjusting button 510 on the housing 100 is pressed, and the adjusting button 510 applies force to the first elastic member 520, so that the first elastic member 520 is disengaged from one of the gear position portions 312 of the fixing plate 310. Then, the adjustment button 510 is dragged to move back and forth, so as to drive the first elastic member 520 to move along the moving slot 311, and the first elastic member 520 drives the moving plate 410 fixed thereto to move back and forth. Meanwhile, the forward and backward movement of the adjustment button 510 also drives the forward and backward movement of the housing 100, and the forward and backward movement of the housing 100 further drives the forward and backward movement of the moving plate 410. That is, the adjustment button 510 and the first elastic member 520 together bring the moving plate 410 to move forward and backward along with the housing 100. When the distance between the face mask and the face of the person moves to a proper position, the forward and backward movement of the adjusting button 510 is stopped, and at the same time, the downward pressure applied to the adjusting button 510 is cancelled, so that the first elastic member 520 rebounds and is clamped into the other gear part 312, thereby realizing the adjustment of different gears of the distance between the face mask and the hot love.

In an embodiment, the fixing plate 310 is provided with three blocking portions 312, which are sequentially a first blocking portion, a second blocking portion and a third blocking portion from near to far from the human face, wherein the first blocking portion is used by a group without wearing glasses, the second blocking portion is used by a group with wearing glasses, and the third blocking portion can observe the external situation without taking off the head-mounted display device. Therefore, the use of two groups, namely a group wearing glasses and a group not wearing glasses, is met through the arrangement of the three gears, and the application range of the head-mounted display equipment is expanded; also satisfied simultaneously and seen the external environment condition clearly when not taking the head and wear display device, improved the use convenience that wears display device. Of course, four or five gears can be arranged, namely more than one adjusting gear is arranged under the condition of not wearing glasses, and more than one adjusting gear is arranged under the condition of wearing glasses, so that the gear adjusting precision of the distance between the face mask and the face of the person can be improved.

Referring to fig. 3, further, the first elastic element 520 includes an elastic body 521 and a limit cap 522 disposed on the elastic body 521, the moving plate 410 is provided with a mounting groove 411, the elastic body 521 is fixed in the mounting groove 411, and the limit cap 522 is clamped into the blocking portion 312 and abuts against the adjustment button 510. Specifically, the first elastic element 520 includes an elastic body 521 and a limiting cap 522, the moving plate 410 is provided with an installation groove 411, the sectional shape and size of the installation groove 411 are matched with the sectional shape of the elastic body 521, and at least a part of the elastic body 521 is accommodated in the installation groove 411, so that one end of the first elastic element 520, which is far away from the adjusting button 510, is fixed on the moving plate 410, and the adjusting assembly 500 can drive the moving plate 410 to move relative to the fixed plate 310. One end of the elastic body 521, which is far away from the moving plate 410, is clamped into the limiting cap 522, so that the transmission connection between the elastic body 521 and the limiting cap 522 is realized. The limit cap 522 is in transmission connection with the adjustment button 510, so that transmission connection between the adjustment button 510 and the first elastic member 520 is realized. When the distance between the face mask and the face of a person is located at a certain gear, the limiting cap 522 is clamped into a certain gear 312 of the fixing plate 310, so that the limitation of the gear of the distance between the face mask and the face of a person is realized, the relative movement between the fixing plate 310 and the moving plate 410 at a certain gear is avoided, and the use stability of the head-mounted display device is ensured. In an embodiment, the elastic body 521 is a spring, but may be an elastic body such as silicone rubber or rubber.

Referring to fig. 3 and 5, a limiting groove 313 is further disposed on the fixing plate 310, and a side of the limiting cap 522 away from the adjustment button 510 abuts against the limiting groove 313. Specifically, the cross-sectional shape of the limit cap 522 is similar to a zigzag shape, the limit cap 522 includes a convex portion and an ear portion connected to the circumferential direction of the convex portion, and the convex portion of the limit cap 522 abuts against the adjustment button 510. The fixing plate 310 has a limiting groove 313 on one side facing the moving plate 410, and when the first elastic member 520 is engaged with one of the blocking portions 312, the ear portion of the limiting cap 522 abuts against the limiting groove 313. In this way, the stop cap 522 is prevented from being removed from the stopping portion 312 toward the adjusting button 510, so that the adjustment failure of the first elastic member 520 is prevented.

Referring to fig. 3, further, the adjustment button 510 includes a button body 512 and a button post 511 connected to each other, the button body 512 is disposed on the housing 100 and protrudes from the housing 100, and the button post 511 extends into the accommodating cavity 110 and abuts against the limit cap 522. Specifically, the adjusting button 510 includes a button body 512 and a button post 511, and the button body 512 is disposed on the housing 100 and protrudes from the housing 100, so that the force can be conveniently applied to the button body 512 to adjust the distance between the mask and the face. The button column 511 and the button body 512 are integrally formed, so that the adjustment button 510 can be conveniently machined and formed. The button column 511 is fixedly connected with the button body 512 and extends into the accommodating cavity 110 to abut against the limit cap 522, so that the transmission connection among the button body 512, the button column 511 and the first elastic piece 520 is realized.

Referring to fig. 3, the button body 512 further has a stopping portion 513, and the stopping portion 513 extends into the accommodating cavity 110 and abuts against the inner wall of the outer shell 100. Specifically, the cross-sectional shape of the button body 512 is similar to a "few" shape, and the button body 512 includes an outer protrusion and a stopper 513, the stopper 513 is connected to the circumference of the outer protrusion, and the stopper 513 is located in the accommodating chamber 110. When the distance between the face mask and the face of a person is in a certain gear, the stopping portion 513 abuts against the inner wall of the housing 100, so that the adjusting button 510 is prevented from being disengaged from the housing 100, the relative stability between the fixed plate 310 and the moving plate 410 when the distance between the face mask and the face of a person is in a certain gear is ensured, and the adjustment failure between the fixed plate 310 and the moving plate 410 when the distance between the face mask and the face of a person is required to be adjusted is also avoided.

Referring to fig. 4, further, the moving assembly 400 further includes two sliding rails 420, the two sliding rails 420 are respectively fixed to two opposite sides of the moving plate 410, and two opposite sides of the fixing plate 310 are respectively located in the sliding slots 421 of the two sliding rails 420, so that the fixing plate 310 and the sliding rails 420 slide relatively. Specifically, for convenience of description, the longitudinal direction of the moving groove 311 is taken as the longitudinal direction of the adjustment mechanism 200, the direction perpendicular to the longitudinal direction of the moving groove 311 is taken as the width direction of the adjustment mechanism 200, and the thickness direction of the moving groove 311 is taken as the height direction of the adjustment mechanism 200. The two slide rails 420 are respectively disposed at two ends of the moving plate 410 along the width direction, and the slide rails 420 form sliding grooves 421 along the height direction. Both ends of the fixing plate 310 in the width direction thereof are respectively fixed in the sliding slots 421, so that the fixing plate 310 and the sliding rails 420 slide relatively. In one embodiment, the sliding rail 420 may be made of POM (polyoxymethylene) material, which has self-lubrication to facilitate the relative sliding between the fixing plate 310 and the sliding groove 421. The movable plate 410 is made of metal, and the movable plate 410 and the two slide rails 420 are molded together by an insert injection molding process, so that the structural rigidity and the strength of the two slide rails 420 are improved.

Referring to fig. 4, further, the adjusting mechanism 200 further includes a second elastic element 600, a first hook 314 is disposed at one end of the fixing plate 310 facing the fixing band, a second hook 412 is disposed at one end of the moving plate 410 away from the fixing band, and two ends of the second elastic element 600 are respectively mounted on the first hook 314 and the second hook 412. Specifically, to improve the stability of the relative movement between the fixed plate 310 and the moving plate 410, the adjustment mechanism 200 further includes a second elastic member 600. The fixed plate 310 is provided with a first hook 314 along one end facing the fixed band in the length direction thereof, the movable plate 410 is provided with a second hook 412 along one end facing away from the fixed band in the length direction thereof, and a certain distance is provided between the first hook 314 and the second hook 412. The two ends of the second elastic member 600 along the length direction thereof are respectively installed at the first hook 314 and the second hook 412, so that the small displacement during the relative movement of the fixed plate 310 and the moving plate 410 is avoided by adjusting the second elastic member 600, and the stability of the relative movement between the fixed plate 310 and the moving plate 410 is improved. In order to further improve the stability of the relative movement between the fixed plate 310 and the moving plate 410, the first hook 314 and the second hook 412 are disposed on the opposite sides of the moving slot 311 in the width direction of the adjustment mechanism 200, i.e., the adjustment mechanism 200 is provided with two second elastic members 600. Therefore, the stability of the relative movement of the fixed plate 310 and the movable plate 410, that is, the stability of the distance adjusting process between the face mask and the human face, is further improved, and the adjusting deviation and the adjusting displacement are avoided. In an embodiment, the second elastic member 600 is a tension spring, and pull rings at two ends of the tension spring are respectively sleeved on the first hook 314 and the second hook 412. Of course, the second elastic member 600 may also be an elastic band or the like.

Referring to fig. 4, further, a buffer 700 is disposed at an end of the moving plate 410 away from the fixing band, and when the distance between the face mask and the human face is located at the closest position, an end of the fixing plate 310 away from the fixing band abuts against the buffer 700. Specifically, along the length direction of the adjusting mechanism 200, a buffer 700 is disposed at an end of the moving plate 410 away from the fixing strap, and in an embodiment, the buffer 700 is sleeved on the outer periphery of the second hook 412. Thus, when the distance between the face mask and the face is located at the nearest gear, under the action of the pulling force of the second elastic piece 600, the fixed plate 310 abuts against the buffer piece 700 on the periphery of the second hook 412 of the movable plate 410, so that noise and noise generated by direct abutting contact of the fixed plate 310 and the movable plate 410 are avoided, and the use comfort of the head-mounted display device is improved. In an embodiment, the buffer 700 is a noise reduction silicone, but the buffer 700 may also be rubber.

Further, the fixing assembly 300 further includes a decorative case 320, and the fixing plate 310 is located inside the decorative case 320. Specifically, fixed subassembly 300 is still including decorating shell 320, decorates shell 320 and encloses with decorating shell 100 including decorating the inner shell and decorating shell 100, decorates the inner shell and decorates shell 100 and be formed with the inner space, and fixed plate 310 is located this inner space, decorates the inner shell and decorates setting up of shell 100 and has improved the overall structure intensity of fixed subassembly 300, has also improved the aesthetic property of fixed subassembly 300 simultaneously, has improved the whole aesthetic property of wearing display device.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A head-mounted display device, comprising:

a housing having a receiving cavity formed therein;

the face mask is attached to the outer wall of the shell and is used for being in contact with a human face;

fixing belts; and

the adjusting mechanism is arranged in the accommodating cavity, at least part of the adjusting mechanism comprises a fixed component, a movable component and an adjusting component, the fixed component is fixedly connected with the fixing belt, the movable component is fixedly connected with the shell, the fixed component is provided with a plurality of gears, and the movable component moves relative to the fixed component under the driving of the adjusting component so as to drive the shell to move relative to the fixing belt, so that the multi-gear adjustment of the distance between the face mask and the face of a person is realized;

fixed subassembly include with fixed band fixed connection's fixed plate, the fixed plate is equipped with the shifting chute, the shifting chute is equipped with a plurality of fender position portions along its length direction interval, the shifting chute include with shell fixed connection's movable plate, adjusting subassembly includes adjustment button and the first elastic component that the transmission is connected, adjustment button locates the shell and stretches into hold the chamber, first elastic component is fixed in movable plate and card are gone into keep off the position portion under adjustment button's drive, first elastic component can be followed one keep off the position portion and deviate from and follow the shifting chute removes to another keep off the position portion, so that the movable plate for the fixed plate removes, in order to realize the different fender position of distance between face guard and the people face are adjusted.

2. The head-mounted display device of claim 1, wherein the first elastic member comprises an elastic body and a limiting cap disposed on the elastic body, wherein a mounting groove is disposed on the moving plate, the elastic body is fixed to the mounting groove, and the limiting cap is snapped into the blocking portion and abuts against the adjusting button.

3. The head-mounted display device of claim 2, wherein a limiting groove is disposed on the fixing plate, and a side of the limiting cap away from the adjusting button abuts against the limiting groove.

4. The head-mounted display device of claim 2, wherein the adjustment button comprises a button body and a button post connected with each other, the button body is disposed on the housing and protrudes from the housing, and the button post extends into the accommodating cavity and abuts against the limiting cap.

5. The head-mounted display device of claim 4, wherein the button body is further provided with a stopper portion extending into the receiving cavity and abutting against an inner wall of the housing.

6. The head-mounted display device of claim 1, wherein the moving assembly further comprises two sliding rails, the two sliding rails are respectively fixed on two opposite sides of the moving plate, and two opposite sides of the fixed plate are respectively located in sliding grooves of the two sliding rails, so that the fixed plate and the sliding rails slide relatively.

7. The head-mounted display device according to any one of claims 1 to 6, wherein the adjusting mechanism further comprises a second elastic member, a first hook is disposed at an end of the fixing plate facing the fixing band, a second hook is disposed at an end of the moving plate away from the fixing band, and two ends of the second elastic member are respectively mounted on the first hook and the second hook.

8. The head-mounted display device of any one of claims 1 to 6, wherein a buffer is disposed at an end of the moving plate away from the fixing strap, and when the distance between the face shield and the human face is in the closest gear, an end of the fixing plate away from the fixing strap abuts against the buffer.

9. The head-mounted display device of any of claims 1 through 6, wherein the securing assembly further comprises a decorative shell, the securing plate being located within the decorative shell.