CN218675524U - Head-mounted adjusting device and head display equipment - Google Patents

Abstract

The utility model belongs to the technical field of wear display device, a wear adjusting device and head display device is disclosed. The head-mounted adjusting device comprises: protecgulum, support, slide, locking piece and locating part. The front cover is used for being fixedly connected with the head-wearing piece; the bracket is used for being fixedly connected with the mirror body; the sliding plate is arranged on the front cover and is in sliding connection with the bracket; the locking piece is arranged on the sliding plate and is in sliding connection with the sliding plate. The locating part is connected with the locking piece, and the support is provided with the locking groove, and the locating part is used for restricting the slip of locking piece so that the locking piece selectively stretches into the locking groove, the relative position of fixed slide and support. The connecting structure of the head-wearing piece and the mirror body support is effectively simplified, so that the whole occupied space is small, the difficulty of the whole machine assembly and the difficulty of later-stage maintenance are effectively reduced, meanwhile, the operation steps in the adjusting process can be simplified, convenience is brought to a user to quickly and conveniently complete adjustment, and the experience feeling of the user is effectively improved.

Description

Head-mounted adjusting device and head display equipment

Technical Field

The utility model relates to a wear display device's technical field, especially relate to a wear adjusting device and head display device.

Background

The head-mounted display device is a head-mounted display device which transmits optical signals to eyes of a wearer in different modes, and can achieve different effects such as Virtual Reality (VR), augmented Reality (AR) and Mixed Reality (MR).

In the prior art, the head display device mainly comprises two parts, namely an endoscope body and a head-wearing piece, wherein the endoscope body needs to be worn corresponding to eyes of a user, and the head-wearing piece is used for being fixed on the head of the user so as to ensure that the position of the endoscope body is fixed. According to different head types of users, an adjusting mechanism is arranged between the head-wearing piece and the glasses body. The adjusting structure comprises a plurality of structures such as a sliding rail, a sliding groove and a plurality of sections of springs, and simultaneously, the adjusting structure is required to be combined with a corresponding gear rack transmission mechanism so as to complete transmission of corresponding actions when the relative position of the head-wearing piece and the mirror body is adjusted.

The adjusting structure has more parts, complex integral structure and larger occupied space, and the connecting position between the head-wearing piece and the mirror body is relatively smaller, so that the difficulty of the adjusting structure in the whole machine assembling process is higher, and the difficulty of maintenance after damage is larger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear adjusting device and head show equipment, solved prior art, the connection structure between head-mounted and the mirror body is complicated, and occupation space is great, has increased the degree of difficulty of the maintenance in complete machine assembly and later stage.

To achieve the purpose, the utility model adopts the following technical proposal:

a head mounted adjustment device, comprising: protecgulum, support, slide, locking piece and locating part. The front cover is used for being fixedly connected with the head-wearing piece; the bracket is used for being fixedly connected with the mirror body; the sliding plate is arranged on the front cover and is in sliding connection with the bracket; the locking piece is arranged on the sliding plate and is in sliding connection with the sliding plate. The limiting part is connected with the locking part, the support is provided with a locking groove, and the limiting part is used for limiting the sliding of the locking part so that the locking part selectively extends into the locking groove to fix the relative position of the sliding plate and the support.

Optionally, the latch includes: the locking plate is arranged on the sliding plate and is in sliding connection with the sliding plate, and the limiting piece is arranged on the locking plate; and the locking block is arranged on the locking plate, and one end, far away from the locking plate, of the locking block is selectively inserted into the locking groove.

Optionally, the top wall of the locking plate is provided with friction lines; and/or the support is provided with two sets of locking grooves, and locking blocks which are inserted into the corresponding locking grooves are arranged on two sides of the locking plate.

Optionally, a locking cavity into which the locking plate extends is arranged on the sliding plate.

Optionally, the stopper includes: and the elastic part is respectively connected with the locking piece and the sliding plate so as to limit the sliding of the locking piece.

Optionally, the head-mounted adjusting device further comprises: and the guide rod is arranged on the front cover and is in sliding connection with the locking piece.

Optionally, the head-mounted adjusting device further comprises: the connecting strip is arranged in the support, and the sliding plate partially extends into the connecting strip and is in sliding connection with the connecting strip.

Optionally, be equipped with the spread groove in the connecting strip, be equipped with the locking strip in the spread groove, the locking strip will the spread groove is separated and is supplied the first sliding tray that the slide slided with supply the second sliding tray that the locking piece slided, the locking groove set up a plurality ofly and interval distribution in the locking strip.

Optionally, a clamping groove which is mutually meshed with the locking groove is formed in the locking piece.

A head display apparatus, comprising: a headgear adjustment device as claimed in any one of the preceding claims; the head-wearing piece is fixedly connected with the front cover of the head-wearing adjusting device; and the glasses body is fixedly connected with the bracket of the head-wearing adjusting device.

The utility model has the advantages that:

make the locking piece leave the locking groove through removing the locking piece, can drive the slide and slide for the support, the slide will drive the protecgulum and slide for the support, also can the relative position of quick adjustment head-mounted and mirror body. After the adjustment is completed, the lock stopping piece is released, the limiting piece can automatically push the lock stopping piece into the lock groove, and the lock stopping piece is limited to slide, so that the positions of the sliding plate and the support are fixed, and the relative positions of the head-mounted piece and the mirror body are also fixed. And the locking piece sets up on the slide for slide, locking piece and protecgulum are all folded and are established together, have effectively simplified the connection structure of wearing piece and mirror body support, make it wholly to occupy the space less, have effectively reduced the degree of difficulty of complete machine assembly and the degree of difficulty of later stage maintenance, also can simplify the operating procedure in the accommodation process simultaneously, and convenience of customers accomplishes the regulation fast conveniently, effectively improves user's experience and feels.

The head display equipment can rapidly complete the assembly of the head display piece and the mirror body through the head-mounted adjusting device, is simple in structure, small in occupied space, and capable of effectively reducing the difficulty of assembly and maintenance of the head display equipment, and meanwhile, a user can also rapidly complete the adjustment of the relative position of the head display piece and the mirror body through the head-mounted adjusting device when using the head display equipment, so that the experience of the user is effectively improved.

Drawings

Fig. 1 is a schematic structural view of a head-mounted adjusting device according to some embodiments of the present invention.

Fig. 2 is an exploded view of a headset adjustment device according to some embodiments of the present invention.

Fig. 3 is a schematic diagram of a locking member of a headgear adjustment device according to some embodiments of the present invention.

Fig. 4 is a cross-sectional view of a head mounted adjustment device in some embodiments of the invention.

Fig. 5 is a schematic structural diagram of a connection strip of a head-mounted adjustment device according to some embodiments of the present invention.

Fig. 6 is a schematic structural diagram of a head display device according to some embodiments of the present invention.

In the figure:

100. a front cover; 110. a through hole; 200. a support; 211. mounting grooves; 212. a travel stop block; 300. a slide plate; 310. a communicating hole; 320. a lock cavity; 400. a locking member; 401. a locking groove; 410. a lock plate; 411. rubbing the grains; 412. pressing the stop plate; 413. a connecting plate; 420. a locking block; 421. a connecting rod; 422. a clamping block; 423. a clamping groove; 424. a guide hole; 500. a limiting member; 600. a guide bar; 610. a baffle sheet; 700. a connecting strip; 710. connecting grooves; 711. a first sliding groove; 712. a second sliding groove; 720. a locking bar; 800. a headgear; 900. a lens body; x, a first direction; y, second direction.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a wear adjusting device and head and show equipment.

Fig. 1 is a schematic structural diagram of a head-mounted adjusting device according to some embodiments of the present invention. Fig. 2 is an exploded view of a headset adjustment device according to some embodiments of the present invention. Referring to fig. 1 and 2, the head mount adjusting apparatus includes: the front cover 100, the bracket 200, the sliding plate 300, the locking member 400 and the limiting member 500. The front cover 100 is used to fixedly connect with the headgear 800. The bracket 200 is used for being fixedly connected with the mirror body. The slide plate 300 is disposed on the front cover 100 and slidably coupled to the bracket 200. The locking member 400 is disposed on the sliding plate 300 and slidably connected to the sliding plate 300. The limiting member 500 is connected with the locking member 400, the supporting frame 200 is provided with a locking groove 401, and the limiting member 500 is used for limiting the sliding of the locking member 400 so that the locking member 400 selectively extends into the locking groove 401, and fixing the relative position of the sliding plate 300 and the supporting frame 200.

Specifically, the front cover 100 has a rectangular plate shape, one side of which is bent to extend to be fixedly coupled with the head set 800. The slide plate 300 is fixed to the bottom wall of the front cover 100 by welding, screwing, or the like. The cross-sectional area of the slide plate 300 may be larger than the cross-sectional area of the front cover 100 so that both sides of the slide plate 300 may extend beyond the front cover 100 to slidably engage with the stand 200 along a first direction X, which is a direction in which the body of the mirror approaches or moves away from the eyes of a user.

The bracket 200 is fixed on the top wall of the mirror body, and the bracket and the mirror body can be clamped and fixed or can be adhered and fixed. In this embodiment, the bracket 200 is bent downward at both front and rear sides thereof to be coupled to the mirror body by a fastener such as a bolt. Corresponding notches may be provided in the top wall of the stand 200 for the sliding plate 300 and the front cover 100 to extend into the inside of the stand 200. The inside of the bracket 200 is provided with a structure which is slidably engaged with the sliding plate 300 to realize the sliding connection of the front cover 100 and the bracket 200. It should be understood that the cross-sectional area of the sliding plate 300 may also be smaller than the cross-sectional area of the front cover 100 to further reduce the occupied space, and the size of the specific sliding plate 300 may be designed according to the size of the space inside the bracket 200, which is not limited by the present invention.

Referring to fig. 2, a through hole 110 is formed through the top wall of the front cover 100, and the through hole 110 is disposed to correspond to the slide plate 300. The locking member 400 extends out of the front cover 100 through the through hole 110, and the sliding direction of the locking member relative to the sliding plate 300 is a second direction Y, which is a vertical direction and perpendicular to the first direction X. The left and right sides of the lock member 400 partially protrude from the slide plate 300 to be selectively inserted into the lock grooves 401, and the lock grooves 401 may be provided in plurality in the first direction X to facilitate the insertion of the lock member 400 at any position in the first direction X.

The limiting member 500 may be disposed between the slide plate 300 and the locking member 400, which enables the locking member 400 to be selectively inserted into the locking groove 401 by limiting the sliding movement of the locking member 400 in the second direction Y. The locating part 500 can have elastic structure for spring or elastic rod etc. can also adopt electromagnetism to adsorb isotructure, specifically can design according to actual application scene and installation space, the utility model discloses do not limit.

When adjusting the relative position between the mirror body and the head-mounted device 800, by pressing the locking device 400, the locking device 400 slides along the second direction Y and leaves the locking groove 401, so that the fixation between the sliding plate 300 and the bracket 200 can be released, and the sliding plate 300 can be driven to slide relative to the bracket 200 by pushing the locking device 400 to move along the first direction X, so as to drive the front cover 100 to slide relative to the bracket 200, and thus the relative position between the head-mounted device 800 and the mirror body can be rapidly adjusted.

After the adjustment is completed, the locking member 400 is released, and the limiting member 500 can automatically push the locking member 400 into the locking groove 401, and limit the sliding of the locking member 400, so as to lock the relative position of the sliding plate 300 and the bracket 200, and thus fix the relative position of the head-mounted member 800 and the mirror body. Therefore, the operation steps in the adjusting process are simplified, the user can conveniently and quickly complete the adjustment, and the experience of the user is effectively improved.

And lock piece 400 sets up on slide 300 for slide 300, lock piece 400 and protecgulum 100 all fold and establish together, and set up corresponding breach on support 200, slide 300 and lock piece 400 all stretch into support 200 inside and install, with this connection structure between can effectively simplify protecgulum 100 and support 200, make the space that its whole occupy less, effectively reduced the degree of difficulty of complete machine assembly and the degree of difficulty of later stage maintenance.

Fig. 3 is a schematic diagram of a locking member of a headgear adjustment device according to some embodiments of the present invention. Fig. 4 is a cross-sectional view of a head mounted adjustment device in some embodiments of the invention. Referring to fig. 3 and 4, in some embodiments of the present invention, the locking member 400 includes a locking plate 410 and a locking block 420. The locking plate 410 is disposed on the sliding plate 300 and slidably connected to the sliding plate 300, and the limiting member 500 is disposed on the locking plate 410. The locking block 420 is disposed on the locking plate 410, and one end of the locking block 420, which is far away from the locking plate 410, is selectively inserted into the locking groove 401. The bracket 200 is provided with two sets of locking grooves 401, and locking blocks 420 inserted into the corresponding locking grooves 401 are arranged on two sides of the locking plate 410.

Specifically, the locking plate 410 is located above the sliding plate 300, and the position limiting member 500 is located between the locking plate 410 and the sliding plate 300. Two sets of locking grooves 401 are provided in the inner wall of the holder 200, and a locking plate 410 is located between the two sets of locking grooves 401. Lock blocks 420 are disposed on opposite sides of the lock plate 410. The locking plate 410 and the locking block 420 may be integrally formed, or may be fixed by bonding or welding.

Referring to fig. 2 and 3, the locking block 420 includes two parts, i.e., a link 421 and a latch 422, the link 421 is fixedly connected to the locking plate 410, and the link 421 extends obliquely downward. A communication hole 310 is formed through the slide plate 300, and a lower end of the link 421 passes through the communication hole 310. The latch 422 is provided at the lower end of the link 421. The latch 422 extends in a horizontal direction at an end thereof distant from the locking plate 410 for insertion into the locking groove 401. It should be understood that the locking block 420 may also be directly disposed on the side of the locking plate 410 without passing through the sliding plate 300, and the position of the locking groove 401 may be adjusted accordingly, and the shape and position of the specific locking block 420 may be designed according to the actual installation space, without limitation.

The connecting rod 421 of the locking block 420 passes through the sliding plate 300, and the clamping block 422 is arranged below the sliding plate 300, so that the structure between the locking plate 410 and the sliding plate 300 is more compact, the occupied space is smaller, and the assembly difficulty and the maintenance difficulty of the whole machine are effectively reduced. When the sliding plate 300 and the bracket 200 need to be unlocked, the locking plate 410 can be pressed down, the locking plate 410 drives the fixture block 422 to move downwards through the connecting rod 421, and the fixture block 422 can be separated from the locking groove 401, so that the sliding plate 300 and the bracket 200 can be unlocked quickly, and the operation of adjusting the relative position of the front cover 100 and the bracket 200 is simplified.

Referring to fig. 2 and 3, in some embodiments of the present invention, the top wall of the lock plate 410 is provided with a friction texture 411. Specifically, the locking plate 410 may have a rectangular plate shape, an upper layer serving as the pressing stopper 412, and a lower layer serving as the connection plate 413, and the pressing stopper 412 has a cross-sectional area larger than that of the connection plate 413. The connecting rod 421 and the limiting member 500 are both fixedly connected to the connecting plate 413, the top wall of the connecting plate 413 abuts against the bottom wall of the front cover 100, the pressing stopper 412 extends into the through hole 110 of the front cover 100, and the friction texture 411 is disposed on the top wall of the pressing stopper 412.

Through the setting of friction line 411, can increase the roughness of pressing the top wall of backstop 412, thereby convenience of customers pushes away locking piece 420 and leaves locking groove 401 through pressing down backstop 412, can also push to press backstop 412 and drive slide 300 and slide simultaneously, make the user when adjusting the relative position of protecgulum 100 and support 200, only need to apply not equidirectional power to pressing backstop 412 and just can realize, exert pressure along second direction Y, can push locking piece 420 and locking groove 401 and break away from through pressing backstop 412, exert pressure along first direction X, can drive slide 300 and slide for support 200 through pressing backstop 412, with this adjustment operation flow that can effectively simplify head-mounted member 800 and mirror body.

Referring to fig. 4, in some embodiments of the present invention, the sliding plate 300 is provided with a locking cavity 320 into which the locking plate 410 extends. Specifically, the middle position of the slide plate 300 is depressed to form a lock chamber 320, the lock chamber 320 communicates with the communication hole 310, the lock chamber 320 is positioned directly below the lock plate 410, and the cross-sectional area of the lock chamber 320 is larger than that of the lock plate 410. By providing the locking cavity 320, the space in which the locking plate 410 can slide can be effectively increased, so that the locking block 420 can be smoothly separated from the locking groove 401.

Referring to fig. 4, the bottom of the support frame 200 is provided with a travel stop block 212, which is located on one side of the support frame 200 close to the lens body 900, and the travel stop block 212 is selectively clamped with the sliding plate 300 to limit the sliding range of the sliding plate 300, reduce the possibility that the sliding plate 300 is separated from the support frame 200, and further reduce the possibility that the lens body 900 is separated from the lens body 800.

Referring to fig. 2, in some embodiments of the present invention, the limiting member 500 includes an elastic portion. The elastic part is connected to the locking member 400 and the sliding plate 300, respectively, to restrict the sliding of the locking plate 410. Specifically, the elastic portion is a spring extending along the second direction Y, and the upper end and the lower end of the elastic portion are respectively fixedly connected to the bottom wall of the locking plate 410 and the bottom wall of the locking cavity 320. The elastic portion may be provided in plural, and plural elastic portions are distributed around the circumference of the lock plate 410. In this embodiment, two elastic parts are provided and distributed at intervals.

Referring to fig. 2 and 3, in some embodiments of the present invention, the headgear adjustment device further includes a guide bar 600. The guide bar 600 is disposed on the front cover 100 and slidably connected to the locking member 400. Specifically, the guide bar 600 extends in the second direction Y, and two guide bars are provided and correspond to the two locking blocks 420.

The fixture block 422 of the locking block 420 is provided with a guide hole 424 for the guide rod 600 to insert. The upper end of the guide rod 600 may further be annularly provided with a plurality of blocking pieces 610, and the blocking pieces 610 are clamped with the top wall of the clamping plate to limit the moving range of the clamping block 422. It should be understood that the relative positions of the guide rod 600 and the guide hole 424 may be designed according to the actual installation space, for example, the guide rod 600 may be disposed on the sliding plate 300, the guide hole 424 may be correspondingly disposed on the locking plate 410 or the locking block 420, and for example, the guide rod 600 may be disposed on the locking plate 410 or the locking block 420, and the guide hole 424 may be disposed on the sliding plate 300 or the front cover 100. The utility model discloses do not injecing guide arm 600 and guide hole 424's specific relative position, it can produce the guide effect to the slip of locking plate 410 on second direction Y can.

Fig. 5 is a schematic structural diagram of a connection strip of a head-mounted adjustment device according to some embodiments of the present invention. Referring to fig. 2 and 5, in some embodiments of the present invention, the headgear adjustment device further includes a connecting strip 700. The connecting bar 700 is disposed in the bracket 200 and the sliding plate 300 partially extends into the connecting bar 700 and is slidably coupled with the connecting bar 700.

Specifically, the bracket 200 has a plate shape, the left and right sides of which are bent upward to form the mounting groove 211 having a U-shaped cross section, the mounting groove 211 extends in the first direction X, and the connection bar 700 is fixed in the mounting groove 211. The sliding plate 300 is located in the support 200, two sides of the sliding plate 300 respectively extend into the two connecting strips 700, and a sliding groove for the sliding plate 300 to slide along the first direction X is formed in each connecting strip 700. Thereby achieving the sliding connection of the slide 300 and the bracket 200.

Referring to fig. 2 and 5, in some embodiments of the present invention, a connecting groove 710 is provided in the connecting strip 700, a locking strip 720 is provided in the connecting groove 710, the locking strip 720 separates the connecting groove 710 into a first sliding groove 711 for sliding the sliding plate 300 and a second sliding groove 712 for sliding the locking member 400, and the locking groove 401 is provided in plurality and spaced apart from the locking strip 720.

Specifically, the locking bar 720 is elongated and extends along the first direction X, and the locking bar 720 is located at the middle upper portion of the connecting groove 710 to form a first sliding groove 711 having a width that fits the sliding plate 300, and make the width of the second sliding groove 712 sufficient for the locking member 400 to slide along the second direction Y.

The locking groove 401 is opened at one side of the locking strip 720 close to the sliding plate 300, and is arranged to penetrate along the second direction Y, and the locking grooves 401 are distributed at intervals along the first direction X. The thickness of locking groove 401 is more than or equal to the thickness of locking piece 420 to when locking piece 420 is inserted in locking groove 401, the two can have abundant area of contact, improves the effect of locking. The locking block 420 is provided with a protrusion which can be inserted into the locking groove 401, and the width of the protrusion is smaller than that of the locking groove 401, so that the protrusion can be smoothly inserted or extended.

Referring to fig. 3, in some embodiments of the present invention, the locking member 400 is provided with a locking groove 423 engaged with the locking groove 401. Specifically, the position that just is located the middle part on the side that the locking piece 420 is close to locking strip 720 runs through and sets up a breach as joint groove 423, and the both sides of this joint groove 423 just form foretell two archs, and two archs can correspond and insert two adjacent locking grooves 401 in, realize the intermeshing in joint groove 423 and locking groove 401, improve the locking effect. It should be understood that the plurality of catching grooves 423 can be provided to form a plurality of spaced apart protrusions to improve the engagement effect of the locking member 400 and the locking groove 401. One catching groove 423 is provided in the present embodiment.

Fig. 6 is a schematic structural diagram of a head display device according to some embodiments of the present invention. Referring to fig. 6, the head display device includes a head-mount 800, a lens body 900, and a head-mount adjusting device as in any of the above embodiments. The head-mount 800 is fixedly connected with the front cover 100 of the head-mount adjustment device. The body 900 is fixedly connected with the bracket 200 of the head-mounted adjusting device.

Head shows equipment and can accomplish the assembly that wears piece 800 and mirror body 900 fast through this head adjusting device, and its simple structure occupies space lessly, can effectively reduce the assembly of this head shows equipment and the degree of difficulty of maintenance, and the user also can accomplish the regulation to the relative position that wears piece 800 and mirror body 900 fast through this head adjusting device when using simultaneously to effectively improve user's experience and feel.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A head adjustment device, the head adjustment device comprising:

the front cover (100) is fixedly connected with the head-wearing piece (800);

the bracket (200) is fixedly connected with the mirror body (900);

a slide plate (300) disposed on the front cover (100) and slidably connected to the bracket (200);

the locking piece (400) is arranged on the sliding plate (300) and is connected with the sliding plate (300) in a sliding way; and

the limiting part (500) is connected with the locking piece (400), the support (200) is provided with a locking groove (401), and the limiting part (500) is used for limiting the sliding of the locking piece (400) so that the locking piece (400) can selectively extend into the locking groove (401) to fix the relative position of the sliding plate (300) and the support (200).

2. The headgear adjustment device according to claim 1, wherein the lock (400) comprises:

the locking plate (410) is arranged on the sliding plate (300) and is connected with the sliding plate (300) in a sliding mode, and the limiting piece (500) is arranged on the locking plate (410); and

the locking block (420) is arranged on the locking plate (410), and one end, far away from the locking plate (410), of the locking block (420) is selectively inserted into the locking groove (401).

3. The headgear adjustment device according to claim 2, wherein a top wall of the lock plate (410) is provided with a friction texture (411); and/or

The support (200) is provided with two sets of locking grooves (401), and locking blocks (420) inserted into the corresponding locking grooves (401) are arranged on two sides of the locking plate (410).

4. The headgear adjustment device according to claim 2, wherein the slide plate (300) is provided with a lock chamber (320) into which the lock plate (410) extends.

5. The headgear adjustment device according to any one of claims 1 to 4, wherein the stopper (500) comprises:

and an elastic part which is connected with the locking piece (400) and the sliding plate (300) respectively so as to limit the sliding of the locking piece (400).

6. The headgear adjustment device according to any one of claims 1-4, further comprising:

and the guide rod (600) is arranged on the front cover (100) and is in sliding connection with the locking piece (400).

7. The headgear adjustment device according to any one of claims 1-4, further comprising:

the connecting strip (700) is arranged in the support (200), and the sliding plate (300) partially extends into the connecting strip (700) and is in sliding connection with the connecting strip (700).

8. The head-mounted adjusting device as claimed in claim 7, wherein a connecting groove (710) is provided in the connecting bar (700), a locking bar (720) is provided in the connecting groove (710), the locking bar (720) divides the connecting groove (710) into a first sliding groove (711) for sliding the sliding plate (300) and a second sliding groove (712) for sliding the locking member (400), and the locking grooves (401) are provided in plurality and are distributed at intervals on the locking bar (720).

9. The headgear adjustment device according to claim 8, wherein the lock member (400) is provided with a snap groove (423) which is engaged with the lock groove (401).

10. An apparatus for head display, the apparatus comprising:

a headgear adjustment device as claimed in any one of claims 1 to 9;

a headgear (800) fixedly connected to a front cover (100) of the headgear adjustment device; and

the glasses body (900) is fixedly connected with the bracket (200) of the head-wearing adjusting device.

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