KR102345345B1 - Electronic Device - Google Patents

Abstract

middle housing; a pair of frames each having one end coupled to both left and right sides of the middle housing; a body housing coupled to the frame on which electronic components are mounted; and a frame adjusting unit located in the middle housing and adjusting the angle or arrangement between the middle housing and the frame including a frame adjusting unit capable of changing the angle of a band hung around the user's neck, including a detachable and detachable electronic device It is convenient and can be stably fixed when worn.

Description

Electronic Device

The present invention relates to an electronic device including a band worn around a user's neck.

The electronic device may perform functions such as music reproduction and phone calls by using various electronic components provided in the housing. It is possible to make a phone call by connecting to the base station by itself, or to obtain sound data by directly connecting to an external server, and to perform the above function through pairing by connecting to another terminal.

It can include a wireless communication unit and a sound output unit, and the demand for wireless communication type electronic devices is increasing in recent years in terms of mobility and ease of use. Electronic devices with designs in consideration of portability, such as a headphone type that a user can hold and carry by hand, a headphone type that is fitted in a band shape on the head, a type that hangs over the ear, and a type that can be worn over the ear, are being developed.

Recently, the demand for electronic devices equipped with a band that can be mounted on the neck for easy portability by users even when the receiver is not attached to the ear is increasing. necessary. In particular, since the circumference of the neck is different depending on the user, there is a need for a user-customized band.

An object of the present invention is to provide an electronic device having a frame adjusting unit for adjusting the angle between two frames to change the angle of the band in order to solve the above problem.

middle housing; a pair of frames each having one end coupled to both left and right sides of the middle housing; a body housing coupled to the frame on which electronic components are mounted; and a frame adjusting unit located in the middle housing and adjusting an angle or arrangement between the middle housing and the frame.

The frame adjustment unit is coupled to one end of at least one frame among the pair of frames and includes a hinge portion having first teeth formed on the outside, and the frame includes second teeth engaged with the first teeth, The second tooth may change a position in which the frame engages with the first tooth when the frame rotates around the hinge part.

a frame hole formed on one side and the other side of the middle housing and into which one end of the frame is inserted; a shutter cover covering between the frames on both sides of the frame hole in the first direction; and a first elastic member for applying a force for pushing the shutter cover toward the frame.

The frame adjusting unit may include: a hinge unit at which one end of at least one frame among the pair of frames is rotatably coupled to the middle housing; a wheel rotatably coupled to the middle housing; and a wire having one end fixed to the wheel and the other end coupled to one end of the frame at a position spaced apart from the hinge unit.

Adjacent to the wire coupling portion of the frame may further include a second elastic member for applying a pushing force opposite to the tensile force of the wire.

a fixing hole formed in the wheel; a fixing groove formed at a position corresponding to the fixing hole according to the rotation of the wheel; and a fixing pin inserted into the fixing hole and the fixing groove.

The frame adjusting unit may include: a movable bracket positioned inside the middle housing and including a hinge rotatably coupled to one end of the frame; and a button having one end in contact with the upper side of the moving bracket, the other end of which is located outside the middle housing, and when a force is applied to the other end of the button to move the button inside the middle housing, the moving bracket is lowered direction and the hinge rotates to change the angle between the frames.

a guide slot formed on the inner surface of the middle housing; and a guide protrusion protruding from the moving bracket and having an end inserted into the guide slot, and moving along the guide slot when the moving bracket moves.

The moving bracket may include: a first moving bracket in contact with the button; It may include a second movable bracket having one end coupled to both ends of the first movable bracket by a first hinge, and the other end coupled to one end of the frame by a second hinge.

a guide slot formed in the left and right directions on the inner surface of the middle housing; and a guide protrusion protruding from the second hinge and moving along the guide slot when the moving bracket moves.

It may further include a third elastic member positioned below the moving bracket to push the moving bracket in an upward direction.

a button housing located inside the middle housing and surrounding the periphery of the button; and a height adjustment groove formed inside the button housing and including a plurality of stop grooves having different heights in the vertical direction and a plurality of inclined grooves formed between the plurality of stop grooves, wherein the button has one side of the a first button located inside the middle housing and having the other side exposed to the outside of the middle housing; a second button fixed to the upper surface of the movable bracket and having a serrated upper periphery; a third button that wraps around one side of the first button and has a serrated shape whose lower perimeter corresponds to the upper periphery of the second button; and a stop protrusion protruding from the outside of the third button and moving from the first stop groove to the second stop groove through the inclined groove when a force is applied to the button.

a first magnet positioned at one end of the frame; A plurality of second magnets having opposite poles to the first magnet may be included, and the plurality of second magnets may be disposed inside the middle housing in left and right directions.

The second magnet may be formed in the recessed concave portion, and the first magnet may further include a protrusion corresponding to a shape of the concave portion.

The plurality of second magnets may be located on the upper portion of the middle housing, and the second magnet of the central portion may be located lower than the second magnets on the left and right sides.

The pair of frames includes a first frame and a second frame, and the body housing includes a first body housing coupled to the first frame and a second body housing coupled to the second frame, The first body housing, the first frame, the middle housing, the second frame, and may further include a cable or a flexible substrate connected to the second housing.

The electronic device according to the present invention includes a frame adjustment unit that can change the angle of the band hung around the user's neck, so it is convenient to attach and detach and can be stably fixed when worn.

In addition, when the frame on one side moves, the frame on the other side also moves symmetrically, so that the shape of the band is not asymmetrically distorted.

Further scope of applicability of the present invention will become apparent from the following detailed description. However, it should be understood that the detailed description and specific embodiments such as preferred embodiments of the present invention are given by way of example only, since various changes and modifications within the spirit and scope of the present invention may be clearly understood by those skilled in the art.

1 is a block diagram illustrating a mobile terminal related to the present invention.
Figure 2a is a plan view showing a first state of the electronic device related to the present invention.
Figure 2b is a plan view showing a second state of the electronic device related to the present invention.
3 is an exploded view showing a frame adjusting unit according to a first embodiment of the electronic device related to the present invention.
4 is a perspective view showing a frame adjusting unit according to a second embodiment of the electronic device related to the present invention.
5 is a perspective view illustrating a wheel shaft portion of FIG. 4 .
6 is a plan view illustrating an arrangement of a frame adjusting unit in a first state and a second state of the electronic device of FIG. 4 .
7 is a perspective view illustrating a frame adjusting unit according to a third embodiment of an electronic device related to the present invention.
8 is a plan view illustrating an arrangement of a frame adjusting unit in a first state and a second state of the electronic device of FIG. 7 .
9 is a perspective view illustrating a button in a first state and a second state of the electronic device of FIG. 8 .
FIG. 10 is a plan view showing the teeth and the stop protrusion of the inner surface of the button housing of FIG. 9 .
11 is a perspective view illustrating a frame adjusting unit according to a fourth embodiment of an electronic device related to the present invention.
12 is a plan view illustrating an arrangement of a frame adjusting unit in a first state and a second state of the electronic device of FIG. 11 .
13 is a perspective view illustrating a frame adjusting unit according to a fifth embodiment of an electronic device related to the present invention.
14 is a plan view illustrating an arrangement of a frame adjusting unit in a first state and a second state of the electronic device of FIG. 13 .

Hereinafter, the embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but the same or similar components are assigned the same reference numbers regardless of reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "part" for components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have distinct meanings or roles by themselves. In addition, in describing the embodiments disclosed in the present specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present specification, and the technical idea disclosed herein is not limited by the accompanying drawings, and all changes included in the spirit and scope of the present invention , should be understood to include equivalents or substitutes.

Terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as “comprises” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

1 is a block diagram of an electronic device 200 according to an embodiment of the present invention. The electronic device 200 of the present invention includes a control unit 250, a wireless communication unit 255, a receiver 240, and a speaker 243. , including a microphone 248 and a power supply 257 .

The wireless communication unit 255 is a device that receives a sound signal from an external terminal or an external server or transmits a sound or signal input through the electronic device 200 to the external terminal or external server in a wireless manner. A representative example of the wireless communication unit 255 is Bluetooth.

Bluetooth is a representative short-range wireless technology standard for exchanging information by connecting mobile devices such as mobile phones, laptops, earphones, and headphones. It is mainly used when a low-power wireless connection is needed in an ultra-short distance of around 10-20m, and Bluetooth uses the ISM (Industrial Scientific and Medical) frequency band of 2400-2483.5MHz.

Of these, in order to prevent interference from other systems using upper and lower frequencies, 2402 to 2480 MHz, excluding the range from 2 MHz to 2 MHz after 2400 MHz to 3.5 MHz before 2483.5 MHz, is used for a total of 79 channels. ISM is a frequency band allocated for industrial, scientific, and medical purposes, and it is widely used in personal wireless devices that emit low-power radio waves because there is no need to obtain a license to use radio waves. Amateur radio, wireless LAN, and Bluetooth use this ISM band.

After the first connection with the external terminal, the electronic device 200 records the corresponding connection information, and when the electronic device 200 is powered on, when the connected external terminal is located within a predetermined distance, it connects with the external terminal.

If another external terminal attempts to connect to the electronic device 200 while connected to one external terminal, the previously connected external terminal may be disconnected and another external terminal may be connected to the electronic device 200, and two external terminals It is also possible to connect (multi-connection) to the terminal at the same time.

The sound output unit 240 is a device for outputting sound, and may include a receiver that is installed and used adjacent to the user's ear, and a speaker that transmits sound to the user in a mounted state. The volume of the sound output from the receiver is smaller than the sound output from the speaker.

The microphone 248 processes an external sound signal as electrical voice data. The processed voice data is transmitted to an external terminal or an external server through the wireless communication unit 255 . Various noise removal algorithms for removing noise generated in the process of receiving an external sound signal may be implemented in the microphone 248 .

The sensing unit 260 is a device for printing the state of the electronic device 200 itself and the surrounding conditions, and a illuminance line for detecting ambient brightness, a touch sensor for detecting a touch input, and a tilt and position of the electronic device 200 . It may include a gyro sensor for detecting, a receiver switch 266 for detecting whether the receiver is located in the receiver holder, and the like.

The manipulation unit 270 is an input unit for a user to intentionally control the electronic device 200 , and adjusts the angle of the band 210 as well as the user input units 271 and 272 for call/power/playback or volume control. A button 337 for doing so is included.

2A and 2B are perspective views viewed from one direction of the electronic device 200 according to an embodiment of the present invention. The electronic device 200 of the present invention includes a band 210 consisting of a pair of frames 211 and 212, a main housing 220, a middle housing 215, an acoustic cable 245, a receiver 240, and a wireless communication unit. 255 and a control unit 250 .

The band 210 is a linear member bent in a U-shape and can be fitted on the user's neck by inserting it from the back. The angle between the pair of frames 211 and 212 may be widened as shown in FIG. 3 so that the band 210 can be easily worn when worn. The frame adjusting unit 300 positioned to change the angle between the pair of frames 211 and 212 may be mounted inside the middle housing 215 .

As shown in FIGS. 2A and 2B, one end of the pair of frames 211 and 212 is coupled to both left and right sides of the middle housing 215, and the other end is coupled to a main body housing 220 on which electronic components are mounted. do. The pair of frames 211 and 212, the middle housing 215, and the main housing 220 are arranged in a U-shape or C-shape.

Inside the frames 211 and 212 , a wire-type power supply unit 257 , a wireless communication unit 225 , a flexible substrate 252 for signal transmission, etc. may be provided in an electrical unit.

The housing 220 is located at both ends of the band 210 and has a control unit 250, a wireless communication unit 255, a microphone 248, a sensing unit 260, and an operation unit in the inner space formed by combining the upper housing and the lower housing. 270 , a power supply unit 257 , and a notification unit 247 are mounted.

A power supply unit 257 is located in the housing 220 on one side, and other parts such as a microphone 248, a speaker 243, and a wireless communication unit 255 are placed in the housing 220 on the other side to be mounted on the housing 220 Parts can be distributed to balance both weights.

The receiver holder 225 located at the end of the body housing 220 is recessed in a shape corresponding to the shape of the receiver 240, and the magnet 226 located inside the receiver holder 225 is the receiver 240. When placed adjacent to the receiver holder 225 , the receiver 240 is automatically attached to the receiver holder 225 .

The receiver 240 outputs sound with a low output in the earphone mode and outputs a sound with a high output in the speaker mode, so that it can also be used as a speaker.

The indicator may display whether the wireless communication unit 255 is connected in order to indicate whether an event has occurred or charging or not, and may display the state of the wireless electronic device 200 with a color and a blinking speed. It may be located on the side of the main body housing 220 or may be formed around the first user input unit 271 .

The electronic device 200 may use a vibration method to notify the user of an event. By providing a vibrator inside the body housing, not only the indicator but also the vibrator 247 may operate to inform the user that a new event has occurred.

A charging terminal for charging may be located in the body housing 220 , and a cap may be provided to prevent it from being exposed.

A first button 271 for ON/OFF of regenerative power, a second user input unit 272 for calling, etc. may be provided on the surface of the main body housing 220 .

As the user input units 271 and 272, a rotating jog button, a slide button for inputting a signal by pushing, or a dome switch button having a dome switch may be used, and in this case, the user input unit 271, 272) may be formed.

Also, the user input units 271 and 272 may input a signal by a user's contact using a touch sensor.

The curves formed by the pair of frames 211 and 212, the middle housing 215, and the body housing 220 are curved at both ends (body housing) of the electronic device 200 so that they do not fall off the user's neck while being worn on the user's neck. The interval) is preferably narrower than the user's neck circumference. However, if both ends of the electronic device 200 are narrower than the user's neck circumference, it is difficult to wear, and since the neck circumference is different depending on the user, it is necessary to adjust the width of a pair of frames of the electronic device 200 .

There is a method to spread the band 210 by using an elastic material by the user, but in this case, if the movement is large, such as when exercising or riding a motorcycle, there is a problem in that the band 210 is lost or damaged by falling off the neck.

Therefore, the electronic device 200 of the present invention can be used by users of various neck circumferences, and the angle between the pair of frames 211 and 212 can be easily adjusted by opening both ends of the electronic device 200 when attaching and detaching the neck. By changing or adjusting the length of the frames 211 and 212, the band 210 can be adjusted to a shape suitable for use.

FIG. 2A shows a first state in which the angle between the frames is narrow, and FIG. 2B shows a second state in which the angle between the frames is widened. The electronic device 200 of the present invention changes the angle or length between the pair of frames 311 and 212 in the first state and the second state by the frame adjusting unit 300 located inside the middle housing 215 . can do.

Hereinafter, each embodiment of the frame adjusting unit 300 will be described with reference to the drawings.

3 is an exploded view showing the frame adjusting unit 300 according to the first embodiment of the electronic device 200 related to the present invention. The frame adjustment unit 300 located inside the middle case is formed on one side of the hinge portion 351 having the first teeth 352 formed on the outside and the frames 211 and 212 to engage the first teeth 352 . It includes a second tooth 353 .

The hinge has a disk shape and is fixed to the middle housing 215 , and the first teeth 352 are formed around the hinge of the disk. The second teeth 353 are formed on one side of the first frame 211, the first teeth 352 are arranged to form a convex curve, and the second teeth 353 are formed to form a concave curve, and the first frame ( 211) is formed on one side.

The first teeth 352 and the second teeth 353 have a gentle inclination and when the user applies a force to the frames 211 and 212, the second teeth 353 that were engaged with the first teeth 352 are adjacent to each other. It moves to the first tooth 352 and moves little by little along the first tooth 352 .

In the middle housing 215, frame holes 216 through which the pair of frames 211 and 212 pass are symmetrically located on both sides of the frame hole 216, and the frames 211 and 212 are hinged as the center of the frame hole 216. The frame (211, 212) is formed larger in the rotation direction of the frame (211, 212) than the cross-section of the frame (211, 212) to be able to move when rotating.

In this case, in order to prevent the inside of the middle housing 215 from being seen, a shutter cover 355 covering the open portion of the frame hole 216 may be further included. The shutter cover 355 is provided on the upper and lower sides of the frames 211 and 212, and is slidable according to the rotation of the frames 211 and 212. That is, a first elastic member 356 that moves like a sliding door and pushes the shutter cover 355 in the direction of the frames 211 and 212 to always fill the space between the frames 211 and 212 and the frame hole 216 is further added. may include

A flexible substrate 252 penetrating the inside of the frames 211 and 212 and the inside of the middle housing 215 may be further included to electrically connect the one body housing 220 and the other body housing 220 .

4 is a perspective view illustrating a frame adjusting unit 300 according to a second embodiment of the electronic device 200 related to the present invention, and FIG. 5 is a first state and a second state of the electronic device 200 of FIG. It is a plan view showing the arrangement of the frame adjustment unit 300 of the. The frame adjusting unit 300 of this embodiment includes a hinge 361 coupled to one end of the frames 211 and 212 , a wheel 365 rotatably coupled to the middle housing 215 , and one end of the wheel 365 . ) and the other end includes a wire 364 coupled to one end of the frame (211, 212) at a spaced apart position from the hinge portion (361).

The wheel 365 positioned between one end of the pair of frames 211 and 212 is inserted into the wheel shaft ( FIGS. 6 and 367 ) protruding from the middle housing 215 and is rotatable around the wheel shaft 367 . The wire 364 has one end fixed to the wheel 365 and the other end connected to the frames 211 and 212 , and is wound around the outer circumference of the wheel 365 as the wheel 365 rotates.

The hinge part 361 rotatably fixes the frames 211 and 212 to the middle frames 211 and 212. Referring to FIG. 4, the hinge part 361 is located at the center of one end of the frames 211 and 212, and the hinge part 361 ), the wire 364 is coupled to a position spaced upward from the upper direction. As the distance between the hinge part 361 and the wire 364 coupling part increases, the movement displacement of the frames 211 and 212 increases.

In the first state as shown in Fig. 5 (a), the wire 364 is not wound around the wheel 365, and the distance between the wire 364 coupling portion and the wheel 365 becomes the maximum, as shown in Fig. 5 (b) In the second state as shown, the wire 364 is wound around the wheel 365 so that the frames 211 and 212 are rotated around the hinge so that the angle between the frames 211 and 212 is widened.

6 is a perspective view illustrating a portion of the wheel shaft 367 of FIG. 4 . The wheel shaft 367 protruding from the middle housing 215 has a cylindrical shape, and a plurality of fixing grooves 368 may be formed along the circumference of the wheel shaft 367 . The fixing groove 368 may be formed to be partially positioned on the outer periphery of the wheel shaft 367 as shown in FIG. 6 because the fixing force is greater as it is spaced apart from the center of the wheel shaft 367 .

A fixing hole may be formed in the wheel 365 at a position corresponding to the fixing groove 368, and when there are a plurality of the fixing grooves 368, only one fixing hole may be formed. Conversely, if there is one fixing groove 368, a plurality of fixing holes may be formed. As the wheel 365 rotates about the wheel shaft 367, the fixing groove 368 overlapping the fixing hole is different, and the fixing pin 366 passing through the fixing hole and the fixing groove 368 is (365) is fixed to the wheel shaft (367) to prevent rotation of the wheel (365).

A second elastic member 362 may be interposed between the frames 211 and 212 and the middle housing 215 in the wire 364 coupling portion. This applies a force that pushes the frames 211 and 212 in a direction in which the wire 364 is contracted when it is wound around the wheel 365 (the second state) and the wire 364 is unwound from the wheel 365 .

In the second state, when the fixing pin 366 is inserted into the fixing groove 368 and the fixing hole, the positions of the frames 211 and 212 are fixed in the second state, and the fixing pin 366 is inserted into the fixing groove 368 . And when it is separated from the fixing hole, the wheel 365 rotates in a direction in which the wire 364 is released from the wheel 365 by the force of the second elastic member 362, and the angle between the frames 211 and 212 is narrow. and is transformed to the first state. That is, the user must apply a force to transform from the first state to the second state, but the deformation from the second state to the first state is automatic by the elasticity of the second elastic member 362 when the fixing pin 366 is removed. is performed with

7 is a perspective view showing a frame adjusting unit 300 according to a third embodiment of the electronic device 200 related to the present invention, and FIG. 8 is a first state and a second state of the electronic device 200 of FIG. It is a plan view showing the arrangement of the frame adjustment unit 300 of the. In this embodiment, the angle between the pair of frames 211 and 212 is adjusted by pressing the button 375 , and the frame adjusting unit 300 includes a moving bracket 371 and a button 375 .

One end of the button 375 is in contact with the moving bracket 371 and the other end is exposed to the outside of the middle housing 215 , so that when the user presses the other end of the button 375 , the button 375 is drawn into the middle housing 215 . By pressing the moving bracket 371, the moving bracket 371 moves in the downward direction.

Both ends of the moving bracket 371 are coupled to the frames 211 and 212 and the hinge 372, and when the moving bracket 371 moves up and down, the hinge 372 rotates and the angle between the frames 211 and 212 is adjusted. The frame hole 216 of the middle housing 215 through which the frames 211 and 212 passes has the same size as the cross-sectional area of the frames 211 and 212, so that in the frame hole 216, the frames 211 and 212 move in the vertical direction. do not move

As shown in FIG. 8, when one end of the frames 211 and 212 moves up and down according to the moving bracket 371, the frame hole 216 serves as a fulcrum, and the other ends of the frames 211 and 212 are connected to the frame 211, 212) once it moves in the opposite direction.

A guide slot 373 that guides the movement in the vertical direction of the moving bracket 371 and limits the range of movement of the moving frames 211 and 212, and the guide slot 373 protruding from the moving bracket 371 It may further include a guide protrusion (not shown) inserted into the.

In this embodiment, the guide protrusion may protrude from a pair of hinges 372 located at both ends of the moving bracket 371 , or may be located at other parts of the moving bracket 371 . Although two guide slots 373 are formed in the drawing, one or two or more guide slots 373 may be provided. However, as shown in FIG. 7 , when a pair of guide protrusions and a pair of guide slots 373 formed at corresponding positions are provided at both ends of the moving bracket 371, the moving bracket 371 can move stably. can

The moving bracket 371 moves in the lower direction by the force of pressing the button 375 and returns to the upper direction by the third elastic member 374 located below the moving bracket 371 . That is, if the user presses the button 375 to change it to the second state and then removes the force pressing the button 375 , the frames 211 and 212 return to the first state.

A person with a thick neck has a problem of feeling uncomfortable when wearing it, so it is necessary to fix it in the second state. A stop protrusion 377 is formed on the outer surface of the button 375 so that the button 375 is fixed in the retracted state, and a height adjustment groove 378 is formed on the inner surface of the button 375 housing surrounding the outer circumferential surface of the button 375. can form.

9 is a perspective view showing the button 375 in the first state and the second state of the electronic device 200 of FIG. 7, and FIG. 10 is a height adjustment groove 378 of the inner surface of the button 375 housing of FIG. ) and a plan view showing the stop protrusion 377.

The height adjustment groove 378 is opened in the lower direction as shown in FIG. 3781 and 3782 and an inclined groove 3784 positioned between the stop grooves 3781 and 3782. The stop grooves 3781 and 3782 are composed of a plurality of stop grooves 3781 and 3782 having different depths, and the depth may be two or more steps.

As shown in the drawing, when the button 375 is in a state (first state) protruding to the outside of the middle housing 215, the first stop groove 3781 in which the stop protrusion 377 is located, and the button 375 are formed in the middle housing ( 215) includes a second stop groove 3782 in which the stop protrusion 377 is located in the state (second state) located inside the first stop groove 3781, and has a shallower depth than the second stop groove ( 3782) may further include a third stop groove (not shown) that is deeper than the depth. The first stop groove 3781 and the second stop groove 3782 having different heights may be repeatedly formed around the inner surface of the button 375 housing.

The button 375 may consist of three pieces. The first button 3751 withdrawn to the outside, the second button 3752 fixed to the upper surface of the movable bracket 371, and the middle housing 215 are located inside the perimeter of the first button 3751. and a wrapping third button 3753 .

Referring to FIG. 10 , the stop protrusion 377 formed on the outer surface of the button 375 rotates while moving along the height adjustment groove 378 (moves in the left direction in the drawing). That is, the button 375 must also be rotated to the left. As above, when the button 375 is composed of three pieces, the first button 3751 exposed to the outside and the second button fixed to the moving bracket 371 . 3752 does not rotate, only the third button 3753 rotates.

When the stop protrusion 377 is positioned in the inclined groove 3784, it moves to the stop grooves 3781 and 3782 by the third elastic member 374, but moves from the stop grooves 3781 and 3782 to the inclined groove 3784. A third cog 3756 like a crown around the upper periphery of the second button 3752, and a third cog 3756 formed around the upper perimeter of the second button 3752 around the lower perimeter of the third button 3753 A fourth tooth 3757 of a corresponding shape may be formed.

When the user presses the button 375, the stop protrusion 377 comes out of the first stop groove 3781, and as shown in FIG. All. The fourth tooth 3757 moves along the inclined surface of the third tooth 3756 so that the stop protrusion 377 is located in the inclined groove 3784, and when the user removes the force to press the button 375, the inclined groove ( 3784 is located along the second stop groove (3782). Moving from the second stop groove 3782 to the first stop groove 3781 follows the same mechanism.

That is, when the user presses the button 375 once, the button 375 is fixed in the retracted state to the middle housing 215 and is fixed in the second state in which the angle between the frames 211 and 212 is widened, and once again When pressed, the button 375 is fixed in a state that it exits from the middle housing 215 and is fixed in the first state in which the angle between the frames 211 and 212 is narrowed.

11 is a perspective view illustrating a frame adjusting unit 300 according to a fourth embodiment of the electronic device 200 related to the present invention, and FIG. 12 is a first state and a second state of the electronic device 200 of FIG. It is a plan view showing the arrangement of the frame adjustment unit 300 of the.

The moving bracket 371 of this embodiment has a first moving bracket 3711 with a button 375 abutting on its upper portion and supported by a third elastic member 374 from a lower portion, and at both ends of the first moving bracket 3711 . A pair of connected second moving brackets 3712 are included. One end of the second moving bracket 3712 is coupled to the first moving bracket 3711 and a first hinge 3721 , and the other end is coupled to the frames 211 and 212 and a second hinge 3722 .

In this way, the three link structures (the first moving bracket 3711 and the second moving bracket 3712) move in a slightly different manner from the third embodiment described above. As shown in FIG. 12 , the first moving bracket 3711 moves up and down when the button 375 is pressed, and the first hinge 3721 rotates to transmit force to the second moving bracket 3712 . The second hinge 3722 of the second moving bracket 3712 moves in the horizontal direction and pulls the frames 211 and 212 to the inside of the middle housing 215 .

Frames 211 and 212 extend obliquely downward from the middle housing 215, and the positions of one end of the frames 211 and 212 connected to the second hinge 3722 and the frames formed in the middle housing 215 The positions of the holes 216 are different in the height direction. Due to this height difference, the angle between the frames 211 and 212 is widened as shown in FIG. 12( b ), and the shape is changed to the second state.

At this time, a guide protrusion is formed at a position corresponding to the second hinge 3722 to guide the horizontal movement of the second hinge 3722, and the guide protrusion moves along the guide slot 373 extending in the horizontal direction. Adjust the angle between the frames (211, 212).

[[FIGS. 13, 14]]

13 is a perspective view illustrating a frame adjusting unit 300 according to a fifth embodiment of the electronic device 200 related to the present invention, and FIG. 14 is a first state and a second state of the electronic device 200 of FIG. It is a plan view showing the arrangement of the frame adjustment unit 300 of the.

The frame adjusting unit 300 of this embodiment adjusts the length of the band. That is, the frames 211 and 212 are drawn into the middle housing 215 to reduce the length of the frames 211 and 212 , and the frames 211 and 212 are drawn out from the middle housing 215 to form the frames 211 and 212 . length can be increased.

A first magnet 388 is provided at one end of the frames 211 and 212 so that the frames 211 and 212 are drawn in and out and fixed at the adjusted length when the length of the frames 211 and 212 is adjusted, and the magnet and A second magnet 386 having an opposite pole is provided so that the frames 211 and 212 are fixed to the middle frames 211 and 212 by magnetic force. A plurality of second magnets 386 may be formed along the extension direction of the frames 211 and 212 as shown in FIG. 13 .

When the user pulls the frames 211 and 212 out of the middle housing 215 or pushes the inside of the middle housing 215 with a force greater than the attractive force of the first magnet 388 and the second magnet 386 , the first The magnet 388 is separated from the second magnet 386 and moves to a neighboring second magnet 386 .

At this time, in order to guide the movement of the first magnet 388 so that the first magnet 388 adheres well to the second magnet 386 , as shown in FIGS. 13 and 14 , the second magnet 386 has a concave portion. At 385 , the first magnet 388 is positioned on the protrusion 387 . The concave portion 385 includes the inclined surface to guide the first magnet 388 to engage the second magnet 386 in the correct position along the inclined surface. The protrusion 387 is formed to correspond to the shape of the concave portion 385 , and the frames 211 and 212 are unintentionally moved left and right inside the middle housing 215 by the wall between the concave portions 385 . can prevent

The above detailed description should not be construed as restrictive in all respects and should be considered as illustrative. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention.

200: electronic device 210: band
211: first frame 212: second frame
215: middle housing 220: body housing
225: receiver holder 240: receiver
245: sound cable 250: control unit
252: flexible board 255: wireless communication unit
257: power supply 260: sensing unit
300: frame adjustment unit 351, 361: hinge unit
352: first tooth 353: second tooth
355: shutter cover 356: first elastic member
362: second elastic member 364: wire
365: wheel 366: fixing pin
367: wheel shaft 368: fixed groove
371: moving bracket 3711: first moving bracket
3712: second moving bracket 372: hinge
3721: first hinge 3722: second hinge
373: guide slot 374: third elastic member
375 button 276 button housing
3751: first button 3752: second button
3753: third button 3756: cog
376: stop projection 378: height adjustment groove
3781, 3782: stop groove 3784: inclined groove
385: recess 388: first magnet
386: second magnet 387: protrusion

Claims (16)

middle housing;
a pair of frames each having one end coupled to both left and right sides of the middle housing;
a body housing coupled to the frame on which electronic components are mounted; and
It is located in the middle housing and comprises a frame adjustment unit for adjusting the angle or arrangement between the middle housing and the frame,
The frame adjustment unit,
a movable bracket positioned inside the middle housing and including a hinge rotatably coupled to one end of the frame; and
One end is in contact with the upper side of the moving bracket, and the other end includes a button located outside the middle housing,
When a force is applied to the other end of the button and the button moves inside the middle housing, the moving bracket moves downward, and the hinge rotates to change the angle between the frames. According to claim 1,
The frame adjustment unit,
and a hinge portion coupled to one end of at least one frame among the pair of frames and formed with first teeth on the outside,
The frame includes second teeth that mesh with the first teeth, and the second teeth change positions of engagement with the first teeth when the frame rotates around the hinge part. According to claim 1,
a frame hole formed on one side and the other side of the middle housing and into which one end of the frame is inserted;
a shutter cover covering between the frames on both sides of the frame hole in the first direction; and
The electronic device further comprising a first elastic member for applying a force for pushing the shutter cover in the direction of the frame. According to claim 1,
The frame adjustment unit,
a hinge part at which one end of at least one frame among the pair of frames is rotatably coupled to the middle housing;
a wheel rotatably coupled to the middle housing; and
An electronic device comprising a wire having one end fixed to the wheel and the other end coupled to one end of the frame at a position spaced apart from the hinge unit. 5. The method of claim 4,
The electronic device further comprising a second elastic member for applying a pushing force opposite to the tensile force of the wire adjacent to the wire coupling portion of the frame. 5. The method of claim 4,
a fixing hole formed in the wheel;
a fixing groove formed at a position corresponding to the fixing hole according to the rotation of the wheel; and
The electronic device further comprising a fixing pin inserted into the fixing hole and the fixing groove. delete According to claim 1,
a guide slot formed on the inner surface of the middle housing; and
The electronic device further comprising: a guide protrusion protruding from the moving bracket and having an end inserted into the guide slot, and moving along the guide slot when the moving bracket moves. According to claim 1,
The moving bracket is
a first moving bracket in contact with the button;
and a second movable bracket having one end coupled to both ends of the first movable bracket by a first hinge and the other end coupled to one end of the frame by a second hinge. 10. The method of claim 9,
a guide slot formed in the left and right directions on the inner surface of the middle housing; and
The electronic device further comprising a guide protrusion protruding from the second hinge and moving along the guide slot when the moving bracket moves. According to claim 1,
The electronic device of claim 1, further comprising: a third elastic member positioned below the movable bracket to push the movable bracket upward. According to claim 1,
a button housing located inside the middle housing and surrounding the periphery of the button; and
It is formed on the inside of the button housing, further comprising a height adjustment groove comprising a plurality of stop grooves having different heights in the vertical direction and a plurality of inclined grooves formed between the plurality of stop grooves,
the button is
a first button having one side positioned inside the middle housing and the other side exposed to the outside of the middle housing;
a second button fixed to the upper surface of the movable bracket and having a serrated upper periphery;
a third button that wraps around one side of the first button and has a serrated shape whose lower perimeter corresponds to the upper perimeter of the second button; and
and a stop protrusion protruding from the outside of the third button and moving from the first stop groove to the second stop groove through the inclined groove when a force is applied to the button. According to claim 1,
a first magnet positioned at one end of the frame;
Comprising a plurality of second magnets opposite the first magnet,
The plurality of second magnets are electronic devices, characterized in that disposed in the left and right directions inside the middle housing. 14. The method of claim 13,
The second magnet is formed in a recessed recess,
The first magnet electronic device, characterized in that it further comprises a protrusion corresponding to the shape of the concave portion. 14. The method of claim 13,
The plurality of second magnets are located on the upper portion of the middle housing, and the second magnet of the central portion is located below the second magnets on the left and right sides. According to claim 1,
The pair of frames includes a first frame and a second frame,
The body housing includes a first body housing coupled to the first frame and a second body housing coupled to the second frame,
The electronic device of claim 1, further comprising: a cable or a flexible substrate connected to the first body housing, the first frame, the middle housing, the second frame, and the second body housing.

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