CN111201800B

CN111201800B - Head-mounted electronic equipment

Info

Publication number: CN111201800B
Application number: CN201780095820.5A
Authority: CN
Inventors: 史奕俊
Original assignee: Shenzhen Royole Technologies Co Ltd
Current assignee: Shenzhen Royole Technologies Co Ltd
Priority date: 2017-11-29
Filing date: 2017-11-29
Publication date: 2021-08-17
Anticipated expiration: 2037-11-29
Also published as: CN111201800A; WO2019104537A1

Abstract

The head-mounted electronic equipment (100) comprises a head band assembly (10) and earphones (20), wherein the head band assembly (10) comprises a rotating shaft (12), the earphones (20) comprise an earmuff shell (22), a sliding block (24) and earmuff blocking pieces (26), the side wall of the earmuff shell (22) is provided with a position avoiding hole (221), the sliding block (24) and the earmuff blocking pieces (26) are located in the earmuff shell (22), the earmuff blocking pieces (26) are provided with blocking piece through holes (262), the rotating shaft (12) can rotatably penetrate through the position avoiding hole (221) and the blocking piece through holes (262) and is connected with the sliding block (24), the earmuff blocking pieces (26) block the position avoiding hole (221) and are connected with the sliding block (24), the blocking pieces (26) comprise a first blocking piece (264) and a second blocking piece (266), and the first blocking piece (264) and the second blocking piece (266) are partially overlapped; the first blocking piece (264) and the second blocking piece (266) can slide relatively, so that the area of the ear cover blocking piece (26) is adjusted when the headband assembly (10) drives the sliding block (24) to slide.

Description

Head-mounted electronic equipment

Technical Field

The present invention relates to the field of electronic devices, and in particular, to a head-mounted electronic device.

Background

In the related art, the head-worn electronic device generally employs a headband-embedded earphone, and a moving space of an ear shield plate for shielding a clearance hole in the headband-embedded earphone is large, so that an available space in the earphone is small, which is not favorable for arranging other elements on the earphone.

Disclosure of Invention

The embodiment of the invention provides a head-mounted electronic device.

An embodiment of the present invention provides a head-mounted electronic device, including:

a headband assembly comprising a shaft; and

the earphone, the earphone includes ear muff casing, slider and ear muff separation blade, keep away the position hole has been seted up to the lateral wall of ear muff casing, the slider with the ear muff separation blade is located in the ear muff casing, the separation blade through-hole has been seted up to the ear muff separation blade, the pivot is rotatable to be worn to establish keep away the position hole with the separation blade through-hole connects the slider, the ear muff separation blade shelters from keep away the position hole and connect the slider, the ear muff separation blade includes first separation blade and second separation blade, first separation blade with second separation blade part ground is range upon range of the setting, first separation blade with but second separation blade relative slip makes the bandeau subassembly drives adjust when the slider slides the area of ear.

The head-wearing electronic equipment of the embodiment is characterized in that the first blocking piece and the second blocking piece are partially stacked, so that the area of the ear muff blocking piece is adjusted by the first blocking piece and the second blocking piece relative to sliding when the head band assembly rotates, the moving space of the ear muff blocking piece can be reduced, the usable space of the earphone can be increased, and other elements can be arranged on the earphone.

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a head-mounted electronic device according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a head-mounted electronic device according to an embodiment of the present invention.

Fig. 3 is another schematic structural diagram of the head-mounted electronic device according to the embodiment of the invention.

Fig. 4 is a schematic structural diagram of a head-mounted electronic device according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an earmuff housing of a head-mounted electronic device according to an embodiment of the invention.

Fig. 6 is a schematic structural diagram of an ear shield baffle of a head-mounted electronic device according to an embodiment of the present invention.

Fig. 7 is a schematic view of still another structure of the head-mounted electronic device according to the embodiment of the present invention.

Fig. 8 is a schematic view of still another structure of the head-mounted electronic device according to the embodiment of the present invention.

Fig. 9 is a schematic view of still another structure of the head-mounted electronic device according to the embodiment of the present invention.

Description of the drawings with the main elements symbols:

the electronic device 100, the headband assembly 10, the rotating shaft 12, the headband hanger 14, the earphone 20, the earmuff housing 22, the avoiding hole 221, the limiting groove 223, the slide rail 225, the limiting clamping portion 227, the limiting clamping groove 2272, the slide block 24, the bump 242, the slide groove 244, the earmuff blocking piece 26, the blocking piece through hole 262, the first blocking piece 264, the first limiting protruding piece 2642, the mounting piece 2643, the mounting hole 2644, the second blocking piece 266, the limiting convex edge 2662, the second limiting protruding piece 2664, the damping piece 28, the elastic clamping piece 29, the stopping portion 21, the rotating shaft fixing block 23, and the screw 25.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 6, a head-mounted electronic device 100 according to an embodiment of the present invention includes a headband assembly 10 and an earphone 20. The headgear assembly 10 includes a spindle 12. The headset 20 includes a earmuff housing 22, a slider 24, and an earmuff flap 26. The side wall of the ear muff shell 22 is provided with a spacing hole 221. The slider 24 and the ear cup flap 26 are located within the ear cup housing 22. The ear shield separation blade 26 is provided with a separation blade through hole 262. The rotating shaft 12 is rotatably inserted through the avoiding hole 221 and the blocking piece through hole 262 and connected with the sliding block 24. The ear shield baffle 26 shields the avoiding hole 221 and is connected with the slide block 24. The earmuff blocking pieces 26 comprise a first blocking piece 264 and a second blocking piece 266, the first blocking piece 264 and the second blocking piece 266 are partially stacked, and the first blocking piece 264 and the second blocking piece 266 can slide relative to each other so that the area of the earmuff blocking pieces 26 can be adjusted when the headband assembly 10 slides with the slider 24.

In the head-mounted electronic device 100 of the above embodiment, since the first blocking plate 264 and the second blocking plate 266 are partially stacked, when the headband assembly 10 rotates, the first blocking plate 264 and the second blocking plate 266 slide relatively to adjust the area of the ear muff blocking plate 26, so that the moving space of the ear muff blocking plate 26 can be reduced, which is beneficial to increasing the available space of the earphone 20, and is beneficial to arranging other elements on the earphone 20.

In the related art, the arc length of the clearance hole generally corresponds to a central arc of about 90 degrees, and the rotation angle of the headband assembly is about 90 degrees. And current ear muff separation blade is single-deck formula ear muff separation blade, in order to make the ear muff separation blade can cover the aversion hole all the time in the rotatory in-process of bandeau subassembly, single-deck formula ear muff separation blade needs the arc length of designing for about 180 degrees, makes like this in the earphone probably need reserve the removal space about 270 degrees and remove in order to supply single-deck formula ear muff separation blade to make the usable space of earphone little. In the embodiment of the present invention, the ear muff blocking plate 26 comprises a first blocking plate 264 and a second blocking plate 266 which are partially stacked, and the first blocking plate 264 and the second blocking plate 266 can slide relatively to adjust the area of the ear muff blocking plate 26 when the headband assembly 10 drives the sliding block 24 to slide, so that the moving space of the ear muff blocking plate 26 can be reduced.

It is understood that the number of the first blocking pieces 264 may be one, two or more. The number of second individual pieces 266 may be one, two, or more.

Note that the shutter through-hole 262 may be provided in the first shutter 264 or the second shutter 266. When the shutter through-holes 262 are provided in the first shutter 264, the number of the first shutter 264 is one, and the number of the second shutter 266 may be one, two, or more. When the shutter through-holes 262 are provided in the second shutter 266, the number of the second shutter 266 is one, and the number of the first shutter 264 may be one, two, or more.

Specifically, referring to fig. 2-3, in one embodiment, the blocking plate through hole 262 is disposed on the first blocking plate 264. The number of the first shutter pieces 264 is one, and the number of the second shutter pieces 266 is two. When the slider 24 slides, the first blocking piece 264 can be driven to slide, and the second blocking piece 266 slides relative to the first blocking piece 264, so that the second blocking piece 266 can be retracted inside the first blocking piece 264 or extended opposite to the first blocking piece 264.

Referring to fig. 4, in one embodiment, the blocking plate through hole 262 is disposed on the first blocking plate 264. The number of the first shutter pieces 264 is one, and the number of the second shutter pieces 266 is four. Two second flaps 266 are provided in a stacked manner at the left end portion of the first flap 264, and two second flaps 266 are provided in a stacked manner at the right end portion of the first flap 264. When the slider 24 slides, the first blocking piece 264 is driven to slide, and the second blocking piece 266 slides relative to the first blocking piece 264, so that the second blocking piece 266 can be retracted inside the first blocking piece 264 or extended opposite to the first blocking piece 264.

In some embodiments, the earmuff shell 22 defines a restraining groove 223. The second stop sheet 266 is provided with a stop flange 2662. The position-limiting convex edge 2662 extends into the position-limiting groove 223. The limiting groove 223 is configured to limit the moving stroke of the first stop sheet 264 and the second stop sheet 266 by the limiting convex edge 2662.

In this way, the movement stroke of the first stopping piece 264 and the second stopping piece 266 can be limited by the limiting convex edge 2662, so that the first stopping piece 264 and the second stopping piece 266 can cover the avoiding hole 221 during the sliding process.

It can be understood that the limiting flange 2662 can slide in the limiting groove 223 during the sliding of the second blocking piece 266, and when the limiting flange 2662 reaches the leftmost end or the rightmost end of the limiting groove 223, the limiting groove 223 blocks the limiting flange 2662 to limit the movement of the limiting flange 2662, and thus the movement stroke of the first blocking piece 264 and the second blocking piece 266 is limited.

Referring to fig. 6, in some embodiments, the stop flange 2662 is disposed on a side of the second stop 266 extending along the sliding direction of the slider 24.

Thus, the position-restricting rim 2662 can slide on the position-restricting groove 223, and the structure is simple.

Specifically, in one embodiment, the number of the second stopping pieces 266 is two, the number of the limiting flanges 2662 is two, and each limiting flange 2662 is correspondingly disposed on a side of each second stopping piece 266 extending along the sliding direction of the sliding block 24.

Referring to fig. 3 and 6, in some embodiments, the number of the second blocking pieces 266 is two, two second blocking pieces 266 are partially stacked at two ends of the first blocking piece 264, the number of the limiting grooves 223 is two, and the first blocking piece 264 is provided with a blocking piece through hole 262.

So, because two second separation blade 266 partially range upon range of the both ends that set up at first separation blade 264 respectively, and the slip of slider 24 drives the gliding in-process of ear muff separation blade 26, one of them second separation blade 266 can be whole or partial shrink at the inboard of first separation blade 264, and another second separation blade 266 is for the partial or whole stretching out of first separation blade 264, can further reduce the removal space of ear muff separation blade 26 under the prerequisite of guaranteeing that ear muff separation blade 26 can cover avoiding hole 221 like this, thereby do benefit to the usable space of increase earphone 20.

Specifically, in one embodiment, the arc length of the clearance hole 221 corresponds to a central arc of about 90 degrees, the rotation angle of the headband assembly 10 is about 90 degrees, the first blocking piece 264 is slightly larger than 90 degrees, and the two second blocking pieces 266 are respectively 90 degrees. Referring to fig. 3, fig. 3 shows the headband assembly 10 in a maximum open state (initial state), in which the second blocking piece 266 (hereinafter, referred to as the second blocking piece 266a) at the left end of the first blocking piece 264 protrudes from the inner side of the first blocking piece 264, and the second blocking piece 266a completely extends relative to the first blocking piece 264, that is, the protruding amount of the second blocking piece 266a is at a maximum. And the second blocking piece 266 (hereinafter referred to as the second blocking piece 266b) located at the right end of the first blocking piece 264 is completely retracted inside the first blocking piece 264. When the slider 24 drives the first blocking piece 264 to slide to the left end, the first blocking piece 264 firstly slides relative to the second blocking piece 266b, when the first blocking piece 264 slides for a certain distance, the second blocking piece 266b is driven to slide, and the second blocking piece 266a gradually shrinks relative to the first blocking piece 264 to the inner side of the first blocking piece 264, as shown in fig. 7, fig. 7 is a schematic structural view of the earphone 20 after the headband assembly 10 rotates for 45 degrees. Referring to fig. 8, when the headgear assembly 10 is rotated 90 degrees, the second blocking piece 266a is completely retracted inside the first blocking piece 264, the second blocking piece 266b extends from the inside of the first blocking piece 264, and the second blocking piece 266b is completely extended relative to the first blocking piece 264, that is, the extending amount of the second blocking piece 266b is at a maximum. The first blocking plate 264 and the second blocking plate 266 of the above embodiment have an arc length of about 180 degrees in the moving space of the earphone 20, so that compared with the existing ear shield blocking plate of the earphone, the ear shield blocking plate 26 of the present embodiment can save an arc length space of about 90 degrees, and more other electronic components can be arranged in the earphone 20 of the present embodiment.

Referring to fig. 6, in some embodiments, the first blocking portion 264 has a mounting portion 2643. The mounting piece 2643 defines a mounting hole 2644, the slider 24 is provided with a protrusion 242, and the protrusion 242 is located in the mounting hole 2644 to enable the slider 24 and the first blocking piece 264 to slide synchronously.

Thus, the first blocking piece 264 and the sliding block 24 slide synchronously, and the structure is simple.

It can be understood that the number of the mounting pieces 2643 may be two, two mounting pieces 2643 are oppositely disposed, and each mounting piece 2643 is provided with one mounting hole 2644. The number of the protrusions 242 may also be two, and each protrusion 242 is located in one of the mounting holes 2644. This allows slider 24 to be more securely mounted on mounting tabs 2643.

Referring to fig. 6, in some embodiments, the first stopping piece 264 is provided with a first limiting protrusion 2642, the second stopping piece 266 is provided with a second limiting protrusion 2664, and the first stopping piece 264 drives the second stopping piece 266 to slide synchronously when the first limiting protrusion 2642 and the second limiting protrusion 2664 abut against each other.

Thus, the first and second stopping

pieces

264 and 266 slide synchronously when the first and second limiting

protrusions

2642 and 2664 abut against each other by the arrangement of the first and second limiting

protrusions

2642 and 2664, so that the structure is simple and the first stopping piece 264 drives the second stopping piece 266 to slide synchronously.

In the example of fig. 6, the number of the first shutter pieces 264 is one, and the number of the second shutter pieces 266 is two. The first stopper 264 has a first limit projection 2642 (hereinafter, referred to as a first limit projection 2642a) at a left end thereof and a first limit projection 2642 (hereinafter, referred to as a first limit projection 2642b) at a right end thereof. The right end of the second catch 266a is provided with a second limit protrusion 2664 (hereinafter referred to as a second limit protrusion 2664a), and when the first limit protrusion 2642a and the second limit protrusion 2664a abut against each other, the first catch 264 and the second catch 266 slide synchronously. It can be understood that, in the present embodiment, the first blocking portion 264 slides rightwards relative to the second blocking portion 266a, and when the first blocking portion 264 abuts against the second limiting protrusion 2664a through the first limiting protrusion 2642a after sliding for a certain distance, the first blocking portion 264 drives the second blocking portion 266a to slide synchronously.

A second limit protrusion 2664 (hereinafter, referred to as a second limit protrusion 2664b) is disposed at a left end of the second blocking piece 266b, and the first blocking piece 264 and the second blocking piece 266 slide synchronously when the first limit protrusion 2642b and the second limit protrusion 2664b abut against each other. It can be understood that, in the present embodiment, the first blocking portion 264 slides leftward relative to the second blocking portion 266b, and when the first blocking portion 264 abuts against the second limiting protrusion 2664b through the first limiting protrusion 2642b after sliding for a certain distance, the first blocking portion 264 drives the second blocking portion 266b to slide synchronously.

Referring to fig. 2 again, in some embodiments, a slide rail 225 is disposed in the earmuff housing 22, the slide block 24 is provided with a slide slot 244, and the slide rail 225 is disposed in the slide slot 244 to guide the slide of the slide block 24.

In this way, the slide rail 225 and the slide groove 244 cooperate with each other to guide the sliding of the slider 24, and the structure is simple.

Specifically, the sliding groove 244 is a dovetail groove structure, the cross section of the sliding block 24 is isosceles trapezoid, the sliding rail 225 is matched with the sliding groove 244, and the sliding groove 244 plays a role in guiding and supporting the sliding block 24.

Referring again to fig. 2, in some embodiments, the earphone 20 includes a damper 28, and the damper 28 is disposed on the slide rail 225.

In this manner, damping fin 28 may generate a damping force when slider 24 slides, and damping fin 28 may function to reduce noise and reduce vibration.

Specifically, the damping sheet 28 is a viscoelastic material, and has excellent vibration and noise reduction properties.

Referring to fig. 2 again, in some embodiments, a limiting clamping portion 227 is disposed in the earmuff housing 22, the limiting clamping portion 227 is provided with a plurality of limiting clamping grooves 2272, the earphone 20 includes an elastic clamping member 29, the elastic clamping member 29 is mounted on the sliding block 24, the elastic clamping member 29 is clamped in one of the limiting clamping grooves 2272, and the sliding block 24 can drive the elastic clamping member 29 to be clamped in different limiting clamping grooves 2272 when sliding.

Thus, as the sliding block 24 can drive the elastic clamping piece 29 to be clamped in different limiting clamping grooves 2272 when sliding, the elastic clamping piece 29 can provide a feedback hand feeling when the user rotates the headband assembly.

In particular, the elastic catch 29 can be mounted on the slider 24 by means of a screw fastening. Spring catch 29 may be a material with good spring force, such as a metal sheet.

In some embodiments, a stopper 21 is provided in the cap case 22, and the stopper 21 is provided on the sliding path of the slider 24.

In this manner, stop 21 may define the range of sliding movement of slider 24, which may define the angle of rotation of headband assembly 10.

Specifically, the number of the stopping portions 21 may be two, and the stopping portions are respectively arranged at two different positions on the sliding path of the slider 24. This limits the sliding range of the slider 24 by the two stoppers 21.

Referring again to fig. 2, in some embodiments, the headband assembly 10 includes a headband hanger 14, the shaft 12 is disposed on the headband hanger 14, and the headset 20 includes a shaft fixing block 23, the shaft fixing block 23 is connected to the slider 24 and mounts the shaft 12 on the slider 24.

This allows the headgear assembly 10 to be simple in construction and aesthetically pleasing.

Specifically, referring to fig. 1 and 9, the number of the earphones 20 is two, and two ends of the headband hanger 14 are rotatably connected to the two earphones 20 through the two rotating shafts 12, respectively. The rotating shaft fixing block 23 is fixed to the slider 24 by a screw 25. The headband hanger 14 can simultaneously drive the two sliders 24 to slide in the same direction during rotation. In addition, the headband hanger 14 can be folded after rotating a certain angle, so as to reduce the space occupied by the head-mounted electronic device 100 when not in use.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means 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 present invention. In this specification, schematic representations of the above terms do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A head-mounted electronic device, comprising:

a headband assembly comprising a shaft; and

the earphone comprises an earmuff shell, a sliding block and earmuff separation blades, wherein the side wall of the earmuff shell is provided with a position avoiding hole, the sliding block and the earmuff separation blades are positioned in the earmuff shell, the earmuff separation blades are provided with separation blade through holes, the rotating shaft can rotatably penetrate through the position avoiding hole and the separation blade through holes and is connected with the sliding block, the earmuff separation blades shield the position avoiding hole and are connected with the sliding block, the earmuff separation blades comprise a first separation blade and a second separation blade, the first separation blade and the second separation blade are partially stacked, and the first separation blade and the second separation blade can relatively slide so that the area of the earmuff separation blades can be adjusted when the headband assembly drives the sliding block to slide;

be provided with spacing card portion in the earmuff casing, a plurality of spacing draw-in grooves have been seted up in the spacing card portion, the earphone includes the elasticity fastener, the elasticity fastener is installed on the slider, the elasticity fastener card is established in one of them spacing draw-in groove, can drive when the slider slides the elasticity fastener card is established at the difference spacing draw-in groove.

2. The head-mounted electronic device of claim 1, wherein a limiting groove is formed in the earmuff housing, the second blocking piece is provided with a limiting convex edge, the limiting convex edge extends into the limiting groove, and the limiting groove is configured to limit the moving stroke of the first blocking piece and the second blocking piece through the limiting convex edge.

3. The head-mounted electronic device of claim 2, wherein the limiting flange is disposed on a side of the second blocking sheet extending along the sliding direction of the slider.

4. The head-mounted electronic device of claim 2, wherein the number of the second blocking pieces is two, two second blocking pieces are respectively partially stacked at two ends of the first blocking piece, the number of the limiting grooves is two, and the first blocking piece is provided with the blocking piece through hole.

5. The head-mounted electronic device of claim 4, wherein the first blocking piece is provided with a mounting piece, the mounting piece is provided with a mounting hole, and the sliding block is provided with a projection, and the projection is located in the mounting hole to enable the sliding block and the first blocking piece to slide synchronously.

6. The head-mounted electronic device as claimed in claim 1, wherein the first stopping piece is provided with a first limiting protrusion, the second stopping piece is provided with a second limiting protrusion, and the first stopping piece drives the second stopping piece to slide synchronously when the first limiting protrusion and the second limiting protrusion abut against each other.

7. The head-mounted electronic device of claim 1, wherein a slide rail is disposed in the ear cup housing, the slide block has a slide slot, and the slide rail is disposed in the slide slot to guide the slide of the slide block.

8. The head-mounted electronic device of claim 7, wherein the earpiece comprises a damping patch disposed on the sliding track.

9. The head-mounted electronic device of claim 1, wherein a stop is disposed within the earmuff housing, the stop being disposed on a sliding path of the slider.

10. The head-mounted electronic device of claim 1, wherein the headband assembly comprises a headset headband hanger, the spindle being disposed on the headset headband hanger, the headset comprising a spindle fixing block that connects the slider and mounts the spindle on the slider.