CN213069361U

CN213069361U - Adaptive adjustment device and head-mounted display equipment

Info

Publication number: CN213069361U
Application number: CN202022395095.5U
Authority: CN
Inventors: 倪寅乾; 陈杭; 胡增新
Original assignee: Sunny Optical Zhejiang Research Institute Co Ltd
Current assignee: Sunny Optical Zhejiang Research Institute Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-04-27
Anticipated expiration: 2030-10-23

Abstract

An adaptive adjustment device and a head-mounted display apparatus. The self-adaptive adjusting device comprises: a housing assembly, wherein the housing assembly comprises a first housing and a second housing, wherein the second housing is slidably coupled to the first housing to annularly enclose a head space; and a self-adjusting assembly, wherein the self-adjusting assembly comprises: a self-retracting mechanism, wherein the self-retracting mechanism is disposed in the first housing of the housing assembly; and at least one connecting element, wherein a first end of the at least one connecting element is fixedly connected to the self-retracting mechanism, and a second end of the at least one connecting element is fixedly connected to the second shell, so that under the retracting action of the self-retracting mechanism, the second shell is pulled to move towards the first shell through the at least one connecting element, and the size of the head space is automatically reduced.

Description

Adaptive adjustment device and head-mounted display equipment

Technical Field

The utility model relates to a wear-type shows technical field, especially relates to an adaptive control device and wear-type display device.

Background

At present, with the continuous progress of scientific technology, intelligent wearable devices are more and more popular among the families, wherein AR (augmented reality) devices are relatively popular products on the market at present. And to present AR equipment, often wear in the head to can adjust the elasticity, and then realize that this AR equipment can adapt to the crowd of different head sizes. Specifically, existing AR devices typically include a loop-type temple configured to fit around the head and front and rear straps configured to fit over the top of the head to stably secure the existing AR device to the head of the user.

However, the circular temple and the front and rear straps in the existing AR apparatus are independent from each other, and the circular temple and the front and rear straps often cannot be adjusted at the same time, for example: firstly, manually adjusting the tightness of the circular-ring-shaped glasses legs, and then manually adjusting the tightness of the front binding band and the rear binding band; or, the elasticity of bandage around manual regulation earlier, the elasticity of manual regulation ring type mirror leg again, just can not adjust the elasticity of different positions of head more comfortably when the user wears this current AR equipment like this, lead to this current AR equipment can't extensively be applicable to different crowds. For example, there is a head set including a main body, a head adjustment mechanism, and left and right straps connected to both sides of the main body, wherein the head adjustment mechanism includes a housing, a transmission gear, and a lock gear coaxially disposed with the transmission gear, wherein a pawl is provided at a side portion of the lock gear to be engaged therewith, and a torsion member is provided between the pawl and an inside of a slide, so that a user can adjust a head length by pulling out or pushing the left and right straps inward. At the same time, the pawl is always in engagement with the lock gear to prevent momentary release of the head. However, since the existing head-mounted device adopts a rack-and-pinion structure to continuously and manually adjust the clamping force of the headband, the structure and operation of the existing head-mounted device are complex, and not only the torsion piece needs to be continuously and manually rotated to adjust the headband, but also the head can be tightly held to apply an obvious acting force to the head, so that the adverse reaction of headache and dizziness easily occurs when a user wears the head-mounted device for a long time.

SUMMERY OF THE UTILITY MODEL

An advantage of the utility model is that a self-adaptation adjusting device and head-mounted display device are provided, it can solve the current complicated and trouble problem of regulation of head-mounted adjusting device structure.

Another advantage of the present invention is to provide an adaptive adjustment device and a head-mounted display device, wherein in an embodiment of the present invention, the adaptive adjustment device can automatically adapt to the head size of a user, which helps the user to wear easily and conveniently without continuously adjusting manually.

Another advantage of the present invention is to provide an adaptive control device and a head-mounted display device, wherein, in an embodiment of the present invention, the adaptive control device can rely on the elastic expansion of the self of the spiral spring to realize the size adjustment, and the gear and rack-type transmission mechanism is not required to be additionally configured to realize the relative displacement, which helps to simplify the complexity of the structure.

Another advantage of the present invention is to provide an adaptive adjustment device and a head-mounted display apparatus, wherein in an embodiment of the present invention, the adaptive adjustment device is reserved with an extension mechanism to supply the AR glasses market as a standard accessory.

Another advantage of the present invention is to provide an adaptive adjustment device and a head-mounted display apparatus, wherein in order to achieve the above object, expensive materials or complex structures are not required to be used in the present invention. Therefore, the present invention successfully and effectively provides a solution that not only provides an adaptive adjustment device and a head-mounted display device, but also increases the practicability and reliability of the adaptive adjustment device and the head-mounted display device.

In order to realize the utility model discloses an above-mentioned at least advantage or other advantages and purpose, the utility model provides a self-adaptation adjusting device, include:

a housing assembly, wherein said housing assembly comprises a first housing and a second housing, wherein said second housing is slidably connected to said first housing to annularly enclose a head space; and

a self-adjusting assembly, wherein the self-adjusting assembly comprises:

a self-retracting mechanism, wherein the self-retracting mechanism is disposed in the first housing of the housing assembly; and

at least one connecting element, wherein a first end of the at least one connecting element is fixedly connected to the self-retracting mechanism, and a second end of the at least one connecting element is fixedly connected to the second housing, so that under the retracting action of the self-retracting mechanism, the second housing is pulled to move towards the first housing through the at least one connecting element, and the size of the head space is automatically reduced.

According to an embodiment of the present application, the self-retracting mechanism includes a frame and at least one elastic element, wherein the frame is fixedly installed on the first housing, wherein one end of the at least one elastic element is fixedly connected to the frame, and the other end of the at least one elastic element is connected to the first end of the at least one connecting element, so as to pull the second housing to be close to the first housing through the at least one connecting element under the elastic force of the at least one elastic element.

According to an embodiment of the application, the elastic element of the self-retracting mechanism is a flat spiral spring, wherein an inner end of the flat spiral spring is fixedly connected with the frame and an outer end of the flat spiral spring is connected with the first end of the connecting element.

According to an embodiment of the present application, the frame of the self-retracting mechanism comprises a base plate, a central shaft and at least one annular frame, wherein the central shaft is fixedly disposed at the center of the base plate, and the at least one annular frame is correspondingly disposed on the base plate to surround the central shaft, and at least one annular accommodating space is defined between the at least one annular frame and the central shaft, wherein the frame further has at least one through hole, and the through hole is disposed on the annular frame, wherein the spiral spring is disposed in the annular accommodating space, and the inner end of the spiral spring is connected with the central shaft of the frame, wherein the first end of the connecting element is connected with the outer end of the spiral spring after passing through the through hole.

According to an embodiment of the present application, the frame of the self-retracting mechanism further includes at least one cover, wherein the cover is correspondingly disposed on the base plate to cover the annular accommodating space of the frame.

According to an embodiment of the application, the first and second housings of the housing assembly each have a U-shaped configuration, and the first and second housings are arranged end-to-end to form the housing assembly having an annular configuration.

According to an embodiment of the present application, the first housing is provided with a pair of sliding joints, and the second housing is provided with a pair of sliding grooves adapted to the sliding joints, wherein two sliding joints are correspondingly disposed at a left end portion and a right end portion of the first housing, respectively, two sliding grooves are correspondingly disposed at a left end portion and a right end portion of the second housing, respectively, and the sliding joints of the first housing are slidably inserted into the sliding grooves of the second housing, respectively.

According to an embodiment of the present application, the adaptive adjustment apparatus further includes a fine-tuning mechanism, wherein the fine-tuning mechanism is correspondingly disposed on the second housing for adjusting an effective length of the connecting element.

According to an embodiment of the present application, the adaptive adjustment apparatus further includes a strap assembly, wherein both ends of the strap assembly are connected to the first housing and the second housing, respectively, to limit an upper boundary of the head space by the strap assembly.

According to another aspect of the present application, there is further provided a head mounted display device including:

an adaptive adjustment apparatus, wherein the adaptive adjustment apparatus comprises:

a self-adjusting assembly, wherein the self-adjusting assembly comprises:

at least one connecting element, wherein a first end of the at least one connecting element is fixedly connected to the self-retracting mechanism, and a second end of the at least one connecting element is fixedly connected to the second housing, so that under the retracting action of the self-retracting mechanism, the second housing is pulled to move towards the first housing through the at least one connecting element, so as to automatically reduce the size of the head space; and

a near-eye display body, wherein the near-eye display body is externally coupled to the adaptive adjustment device such that a display lens of the near-eye display body is positioned below the second housing of the housing assembly.

According to an embodiment of the present application, the head-mounted display device further includes an expansion mechanism, wherein the expansion mechanism is disposed on the housing assembly to circumscribe the near-to-eye display main body through the expansion mechanism.

Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims.

Drawings

Fig. 1A and 1B respectively show a state diagram of an adaptive adjustment apparatus according to an embodiment of the present invention.

Fig. 2 shows an exploded schematic view of the adaptive adjustment device according to the above embodiment of the present invention.

Fig. 3 shows an exploded schematic view of the self-adjusting assembly of the adaptive adjustment apparatus according to the above embodiment of the present invention.

Fig. 4A and 4B respectively show schematic cross-sectional views of the adaptive adjustment apparatus according to the above-described embodiment of the present invention.

Fig. 5 shows a schematic perspective view of a head-mounted display device according to an embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

In the present application, the terms "a" and "an" in the claims and the description should be understood as meaning "one or more", that is, one element or a plurality of elements may be included in one embodiment or a plurality of elements may be included in another embodiment. The terms "a" and "an" and "the" and similar referents are to be construed to mean that the elements are limited to only one element or group, unless otherwise indicated in the disclosure.

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The circular ring type temple and the front and rear straps in the existing AR device are independent from each other, and the circular ring type temple and the front and rear straps often cannot be adjusted simultaneously, for example: firstly, manually adjusting the tightness of the circular-ring-shaped glasses legs, and then manually adjusting the tightness of the front binding band and the rear binding band; or, the elasticity of bandage around manual regulation earlier, the elasticity of manual regulation ring type mirror leg again, just can not adjust the elasticity of different positions of head more comfortably when the user wears this current AR equipment like this, lead to this current AR equipment can't extensively be applicable to different crowds. Especially because current head-mounted apparatus adopts the rack and pinion structure to last manual regulation in order to carry out the bandeau clamping-force, consequently this current head-mounted apparatus's structure and operation are comparatively complicated, not only need to continue to rotate the bandeau in order to adjust the torsion piece manually, but also can hug closely the head in order to exert obvious effort to the head, lead to the user to appear headache, the bad reaction of dizziness when wearing for a long time easily.

Therefore, in order to solve the above problems, referring to fig. 1A to 4B, an embodiment of the present invention provides an adaptive adjustment device 1, which can automatically adapt to the head size of a user, and helps the user to wear easily and conveniently without continuous manual adjustment. Specifically, as shown in fig. 1A to 3, the adaptive adjustment apparatus 1 includes a housing assembly 10 and a self-adjustment assembly 20. The housing assembly 10 includes a first housing 11 and a second housing 12, wherein the second housing 12 is slidably coupled to the first housing 11 to annularly enclose a head space 100. The self-adjusting assembly 20 comprises a self-retracting mechanism 21 and at least one connecting element 22, wherein the self-retracting mechanism 21 is disposed on the first housing 11 of the housing assembly 10, wherein the first end 221 of the at least one connecting element 22 is fixedly connected to the self-retracting mechanism 21, and the second end 222 of the at least one connecting element 22 is fixedly connected to the second housing 12, so that under the retracting action of the self-retracting mechanism 21, the second housing 12 is pulled by the at least one connecting element 22 to move towards the first housing 11, so as to automatically reduce the size of the head space 100, so that the head space 100 can automatically adapt to the size of the head of the user, so as to ensure that the first and

second housings

11, 12 of the housing assembly 10 of the adaptive adjustment device 1 can snugly encircle the head of the user, helping to improve the wearing comfort.

It is noted that since the self-retracting mechanism 21 of the self-adjusting assembly 20 of the self-adjusting device 1 of the present application can automatically draw the second housing 12 closer to the first housing 11 through the connecting element 22, so that the head space 100 of the self-adjusting device 1 can be automatically reduced to automatically fit the head of the user, the head space 100 of the self-adjusting device 1 will automatically reduce to fit the head of the user without manual adjustment after the user wears the self-adjusting device 1 by merely pulling the second housing 12 away from the first housing 11 to place the self-adjusting device 1 on the head of the user.

More specifically, as shown in fig. 3, 4A and 4B, the self-retracting mechanism 21 of the self-adjusting assembly 20 of the adaptive adjustment apparatus 1 may include a frame 211 and at least one elastic element 212, wherein the frame 211 is fixedly installed at the first housing 11 of the housing assembly 10, wherein one end of the at least one elastic element 212 is fixedly connected to the frame 211, and the other end of the at least one elastic element 212 is connected to the first end 221 of the at least one connecting element 22, so that the second housing 12 is pulled to approach the first housing 11 through the at least one connecting element 22 under the elastic force of the at least one elastic element 212, such that there is always a tendency of automatic approaching between the second housing 12 and the first housing 11, that is, the head space 100 of the adaptive adjustment apparatus 1 has an automatic shrinking capability, so as to adapt to wearing of different user groups.

Preferably, in an example of the present application, as shown in fig. 1A, 1B and 3, the elastic element 212 of the self-retracting mechanism 21 of the adaptive adjustment device 1 may be, but is not limited to, implemented as a flat spiral spring 2121, wherein an inner end of the flat spiral spring 2121 is fixedly connected with the frame 211, and an outer end of the flat spiral spring 2121 is connected with the first end 221 of the connecting element 22, such that when an external force is applied to pull the second housing 12 away from the first housing 11 to make the head space 100 larger, the connecting element 22 will roll by pulling the flat spiral spring 2121 to accumulate elastic potential energy, and when the external force is removed, the flat spiral spring 2121 will roll in a reverse direction to roll the connecting element 22, thereby pulling the second housing 12 to be close to the first housing 11 through the connecting element 22, thereby causing the head space 100 of the adaptive adjustment apparatus 1 to automatically shrink to fit the user's head.

More preferably, as shown in fig. 3, the frame 211 of the self-retracting mechanism 21 of the adaptive adjusting apparatus 1 comprises a base plate 2111, a central shaft 2112 and at least one annular frame 2113, wherein the central shaft 2112 is fixedly disposed at the center of the base plate 2111, and the at least one annular shelf 2113 is correspondingly disposed at the base plate 2111 so as to surround the central shaft 2112, and forms at least one annular shelf space 2110 between the at least one annular shelf 2113 and the central shaft 2112, wherein the frame 211 has at least one through hole 2114, and the through hole 2114 is provided to the ring frame 2113, wherein the flat spiral spring 2121 is placed in the annular receiving space 2110, and the inner end of the flat spiral spring 2121 is connected to the central shaft 2112 of the frame 211, wherein the first end 221 of the connecting member 22 is connected to the outer end of the spiral spring 2121 after passing through the through hole 2114. It will be appreciated that when the second housing 12 is pulled away from the first housing 11 by an external force, the connecting element 22 will be pulled to wind the spiral spring 2121 and accumulate elastic potential energy; when the external force is removed, the spiral spring 2121 will roll in a reverse direction to release the elastic potential energy, and the connecting element 22 is rolled by the spiral spring 2121 to pull the second housing 12 close to the first housing 11, so that the head space 100 is automatically reduced.

Most preferably, as shown in fig. 3, the frame 211 of the self-retracting mechanism 21 may further include at least one cover 2115, wherein the cover 2115 is correspondingly disposed on the base 2111 to cover the annular housing space 2110 of the frame 211, which helps prevent the flat spiral spring 2121 from deforming out of the annular housing space 2110 during the rolling process. It is noted that the cover 2115 may have a square shape so as to precisely mount the frame 211 to the first housing 11.

It is noted that according to the above described embodiments of the present application, the connecting element 22 of the self-adjusting assembly 20 may be, but is not limited to be, implemented as a rope. Of course, in other examples of the present application, the connecting element 22 of the self-adjusting assembly 20 may also be implemented as an elongated flexible object such as a strap.

According to the above-mentioned embodiment of the present application, as shown in fig. 1A and 1B, the first housing 11 and the second housing 12 of the housing assembly 10 of the adaptive adjustment apparatus 1 each have a U-shaped structure, wherein the first housing 11 and the second housing 12 are disposed end to form the housing assembly 10 having a ring-shaped structure so as to surround the head of a user.

Illustratively, as shown in fig. 4A and 4B, the self-adjusting assembly 20 of the adaptive adjustment apparatus 1 includes two connecting elements 22, wherein the second end 222 of one of the connecting elements 22 is fixedly connected to the left end of the second housing 12 via the left end of the first housing 11, and the second end 222 of the other connecting element 22 is fixedly connected to the right end of the second housing 12 via the right end of the second housing 11, so that the distance between the left and right ends of the first housing 11 and the second housing 12 can be automatically adjusted, thereby flexibly adjusting the size of the head space 100 of the adaptive adjustment apparatus 1.

Meanwhile, as shown in fig. 3, 4A and 4B, the at least one elastic element 212 of the self-adjusting assembly 20 of the self-retracting mechanism 21 is implemented as two flat spiral springs 2121, two of the flat spiral springs 2121 are coaxially disposed inside the hollow housing 2111, and the outer end of one of the spiral springs 2121 is fixedly connected to the first end 221 of one of the coupling members 22, the outer end of the other spiral spring 2121 is fixedly connected to the first end 221 of the other coupling member 22, to respectively pull the corresponding two of the coupling elements 22 by the two of the flat spiral springs 2121, the two connecting elements 22 further bring the left and right ends of the second housing 12 close to the left and right ends of the first housing 11, respectively.

Preferably, as shown in fig. 4A and 4B, the first housing 11 of the housing assembly 10 is provided with a pair of sliding contacts 110, and the second housing 12 of the housing assembly 10 is provided with a pair of sliding contact grooves 120 adapted to the sliding contacts 110, wherein two sliding contacts 110 are respectively and correspondingly provided at the left end portion and the right end portion of the first housing 11, two sliding contact grooves 120 are respectively and correspondingly provided at the left end portion and the right end portion of the second housing 12, and the sliding contacts 110 of the first housing 11 are respectively and slidably inserted into the sliding contact grooves 120 of the second housing 12, so that when the spiral flat spring 2121 is rolled reversely to pull the second housing 12 close to the first housing 11 by the connecting member 22, the sliding contacts 110 of the first housing 11 slide in the sliding contact grooves 120 of the second housing 12, helping to ensure that the first housing 11 and the second housing 12 remain aligned end-to-end throughout their mutual movement.

More preferably, the sliding joint 110 of the first housing 11 of the housing assembly 10 is implemented as an elastic sheet made of an elastic material to be deformed according to a bending degree of the sliding joint groove 120 so that the sliding joint 110 can smoothly slide along the sliding joint groove 120.

It is noted that the first housing 11 of the housing assembly 10 is provided with a slot extending along the sliding joint 110 for accommodating the connecting element 22, so that the second end 222 of the connecting element 22 can pass through the slot on the sliding joint 110 to be fixedly connected to the second housing 12, and the connecting element 22 is prevented from being exposed to the outside and damaged, or the sliding of the sliding joint 110 in the sliding joint groove 120 is affected.

According to the above embodiment of the present application, as shown in fig. 4A and 4B, the self-adjusting assembly 20 of the adaptive adjustment apparatus 1 further comprises a fine-tuning elastic mechanism 23, wherein the fine-tuning elastic mechanism 23 is correspondingly disposed on the second housing 12 for adjusting the effective length of the connecting element 22 so as to meet the extreme requirements of the user. For example, when the size of the user's head is extremely large, which makes it difficult for the head space 100 of the adaptive adjustment apparatus 1 to meet the user's requirements under the adjustment of the self-adjusting assembly 20, the fine adjustment mechanism 23 of the present application can be adjusted to lengthen the effective length of the connecting element 22, so that the upper adjustment limit of the head space 100 of the adaptive adjustment apparatus 1 meets the user's head requirements. It is understood that the effective length of the connecting element 22 in the present application refers to the length between the first end 221 of the connecting element 22 connected to the self-adjusting mechanism 21 and the connection of the connecting element 22 fixedly connected to the second housing 12.

Preferably, as shown in fig. 4A and 4B, the fine adjustment mechanism 23 can be, but is not limited to, implemented as a fine adjustment spring nut 231, wherein the fine adjustment spring nut 231 secures the second end 222 of the connecting element 22 to the second housing 12, and the fine adjustment spring nut 231 can be manually adjusted to change the effective length of the connecting element 22 for users with extreme head sizes.

It is worth mentioning that, in the above-mentioned embodiment of the present application, the adaptive adjustment device 1 may further include a strap assembly 30, wherein both ends of the strap assembly 30 are respectively connected to the first housing 11 and the second housing 12 to limit the upper boundary of the head space 100 by the strap assembly 30. In this way, when the user wears the adaptive adjustment apparatus 1, the first housing 11 surrounds the rear side of the user's head as a rear housing for restricting forward movement of the adaptive adjustment apparatus 1, the second housing 12 surrounds the front side of the user's head as a front housing for restricting backward movement of the adaptive adjustment apparatus 1, and the strap assembly 30 surrounds the top side of the user's head for restricting downward movement of the adaptive adjustment apparatus 1, so that the adaptive adjustment apparatus 1 can be stably worn by the user.

Preferably, the length of the strap assembly 30 of the adaptive adjustment device 1 can be adjusted to meet the needs of different user groups.

According to the above-mentioned embodiment of the present application, as shown in fig. 1A and 5, the adaptive adjustment apparatus 1 may further include an expanding mechanism 40, wherein the expanding mechanism 40 is disposed on the housing assembly 10 for externally connecting a near-eye display main body 2 such as AR glasses or VR glasses, etc., wherein when the near-eye display main body 2 is externally connected to the housing assembly 10 of the adaptive adjustment apparatus 1 through the expanding mechanism 40, a display lens of the near-eye display main body 2 is located below the second housing 12 of the housing assembly 10, so that when a user wears the adaptive adjustment apparatus 1, the display lens of the near-eye display main body 2 is located just in front of the user's eyes, so that the user obtains an AR or VR experience.

Preferably, as shown in fig. 5, the extension mechanism 40 of the adaptive adjustment apparatus 1 may be, but is not limited to, implemented as a fixed extension interface 41 provided to the second housing 12 to correspondingly externally connect the near-eye display main body 2 to the adaptive adjustment apparatus through the fixed extension interface 41 to form a head-mounted display device with a display function.

It is noted that, in other examples of the present application, the self-retracting mechanism 21 of the adaptive adjustment apparatus 1 of the present application may also be implemented as other types of mechanisms as long as the automatic retracting function can be realized. For example, the self-retracting mechanism 21 may include a rotating bracket and a coil spring, wherein one end of the coil spring is fixed to the first housing, and the rotating bracket is rotatably provided to the first housing, wherein the other end of the coil spring is fixed to the rotating bracket and the first end of the connecting member is wound around the rotating bracket, so that when the second housing is moved away from the first housing by an external force, the coupling member pulls the rotation bracket to rotate so that the coil spring accumulates elastic potential energy, and when the external force is removed, the coil spring spontaneously releases the elastic potential energy to automatically drive the rotating bracket to reversely rotate, and then the connecting element is rolled through the rotating bracket so as to pull the second shell to be close to the first shell, thereby realizing the automatic adjustment of the head-wearing space.

According to another aspect of the present application, as shown in fig. 5, an embodiment of the present application further provides a head-mounted display device, wherein the head-mounted display device may include the above adaptive adjusting apparatus 1 and at least one near-eye display main body 2, wherein the near-eye display main body 2 is externally connected to the adaptive adjusting apparatus 1, so that the display lens of the near-eye display main body 2 is located below the second housing 12 of the housing assembly 10, so as to provide the wearer with the experience of near-eye display such as AR or VR.

It should be noted that, as shown in fig. 5, the head-mounted display apparatus 1 further includes an expanding mechanism 40, wherein the expanding mechanism 40 is disposed on the housing assembly 10 to circumscribe the near-eye display main body 2 through the expanding mechanism 40, so that the display lenses of the near-eye display main body 2 are located right in front of the glasses of the wearer, so as to obtain the comfortable experience of AR/VR.

It can be understood that, the near-to-eye display main body 2 can be implemented as other types of display components besides being implemented as an AR display component or a VR display component, so as to provide different functional experiences for users, which is not described herein again.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. An adaptive adjustment apparatus, comprising:

a self-adjusting assembly, wherein the self-adjusting assembly comprises:

2. The adaptive adjustment apparatus of claim 1, wherein the self-retracting mechanism comprises a frame and at least one elastic element, wherein the frame is fixedly mounted to the first housing, wherein one end of the at least one elastic element is fixedly connected to the frame, and the other end of the at least one elastic element is connected to the first end of the at least one connection element, so that the second housing is pulled to be close to the first housing by the at least one connection element under the elastic force of the at least one elastic element.

3. The adaptive regulator apparatus of claim 2, wherein the resilient member of the self-retracting mechanism is a flat spiral spring, wherein an inner end of the flat spiral spring is fixedly connected to the frame and an outer end of the flat spiral spring is connected to the first end of the connecting member.

4. The adaptive adjustment apparatus of claim 3 wherein the frame of the self-retracting mechanism comprises a base plate, a central shaft, and at least one annular shelf, wherein the central shaft is fixedly arranged at the center of the substrate, and the at least one annular frame is correspondingly arranged on the substrate to surround the central shaft, and at least one annular object placing space is defined between the at least one annular frame and the central shaft, wherein the frame further has at least one through hole, and the through hole is provided to the ring frame, wherein the flat spiral spring is placed in the annular accommodation space and the inner end of the flat spiral spring is connected with the central shaft of the frame, wherein the first end of the connecting member is connected to the outer end of the spiral spring after passing through the through hole.

5. The adaptive adjustment apparatus of claim 4 wherein the frame of the self-retracting mechanism further comprises at least one cover, wherein the cover is correspondingly disposed on the base plate to cover the annular housing space of the frame.

6. The adaptive adjustment apparatus of any one of claims 1 to 4 wherein the first and second housings of the housing assembly each have a U-shaped configuration and the first and second housings are disposed end-to-end to form the housing assembly having an annular configuration.

7. The adaptive control apparatus according to claim 6, wherein the first housing is provided with a pair of sliding joints, and the second housing is provided with a pair of sliding grooves adapted to the sliding joints, wherein two sliding joints are respectively provided at left and right end portions of the first housing, two sliding grooves are respectively provided at left and right end portions of the second housing, and the sliding joints of the first housing are respectively slidably inserted into the sliding grooves of the second housing.

8. The adaptive control device according to any of claims 1-4, further comprising a fine-tuning tensioner, wherein the fine-tuning tensioner is correspondingly disposed on the second housing for adjusting the effective length of the connecting element.

9. The adaptive adjustment apparatus of any one of claims 1 to 4, further comprising a strap assembly, wherein both ends of the strap assembly are connected to the first housing and the second housing, respectively, to limit an upper boundary of the head space by the strap assembly.

10. A head-mounted display device, comprising:

a self-adjusting assembly, wherein the self-adjusting assembly comprises:

11. The head-mounted display device of claim 10, further comprising an expansion mechanism, wherein the expansion mechanism is disposed on the housing assembly to circumscribe the near-to-eye display body via the expansion mechanism.