AUTOMATIC WINDING MODULE OF WIRE FOR BLUETOOTH HEADSET WITH IMPROVED WEAR RESISTANCE FUNCTION OF ROTATION AXIS

Abstract

An automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis, which firmly maintains a rotation axis without twist of the rotation axis even in case of using it for a long time, thereby preventing breakaway between a terminal and a PCB pattern, to prevent a short circuit from occurring.

Claims

1. An automatic winding module of a wire for Bluetooth headset comprising: a base housing; a wire; a winding housing having an outer circumference on which the wire is wound; and a cap, wherein the base housing includes a cylindrical fixed axis which protrudes to be vertical to one surface at the center of one surface of a case, wherein the winding housing includes a sub-base lower housing which is formed in a cylindrical cover type with one opened side, a cylindrical winding bobbin which is provided at the center of the other side of the sub-base lower housing such that a wire is wound on the outer circumference thereof, and a sub-base upper housing which is provided on the other side of the winding bobbin and is configured in a cylindrical shape with the other side opened in a direction opposite to a direction of opening the sub-base lower housing with respect to the winding bobbin, and wherein the winding housing is provided with a hollow at the center thereof such that the fixed axis is coupled while consecutively passing through the centers of the sub-base lower housing, the winding bobbin, and the sub-base upper housing, and includes a wear-resistant improved insert on the inner circumference of the hollow center.

2. An automatic winding module formed in a button-type as claimed in claim 1, further comprising: a rolling elastic member (500) which has elasticity as a rolled type, and is accommodated in the sub-base upper housing to provide rotational force to the winding housing; and a button unit which is coupled to one side of the base housing and one side of the winding housing, and allows a wire to be wound on the winding housing by rotating the winding housing by elasticity of the rolling elastic member when a button is pushed.

3. An automatic winding module formed in a ball-stopper-type as claimed in claim 1, further comprising: a cap which is configured in a cover type in which one side thereof covers the opening of the sub-base upper housing and is coupled to the sub-base upper housing, and is provided with a track for moving a stopper ball on the other side; the stopper ball positioned on the track to move along the track; and a main case which is configured to couple to the base housing, and covers the entire of one side provided with the track of the cap at the time of being coupled to the base housing.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:

[0021] FIG. 1 is an exploded perspective view illustrating an automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis according to a first embodiment of the present invention;

[0022] FIG. 2 is a perspective view illustrating a status of coupling a wear-resistant improved insert (440) to a winding housing (400) of an automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis according to a first embodiment of the present invention;

[0023] FIG. 3 is a sectional view illustrating a coupling status of an automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis according to a first embodiment of the present invention;

[0024] FIG. 4 is an exploded perspective view illustrating an automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis according to a second embodiment of the present invention;

[0025] FIG. 5 is a perspective view illustrating a status of coupling a wear-resistant improved insert (440) to a winding housing (400) of an automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis according to a second embodiment of the present invention; and

[0026] FIG. 6 is a sectional view illustrating a coupling status of an automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis according to a second embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0027] Hereinafter, the invention may be variously modified and may have various embodiments, and specific embodiments are exemplified in the drawings and described in detail. However, the invention is not limited to specific embodiments, and it should be understood that the invention includes all modifications, equivalents, and substitutes included within the spirit and technical scope of the invention. The embodiments are provided to describe the invention in more detail to persons skilled in the art. Accordingly, the shape of each element illustrated in the drawings may be exaggerated to emphasize more obvious description and, when it is determined that specific description about the related art may blur the gist of the invention, detailed description thereof is omitted.

[0028] Hereinafter, preferred embodiments of the invention will be described in more detail with reference to the accompanying drawings.

[0029] First, an automatic winding module of a wire for Bluetooth headset according to the invention includes a base housing (100), a winding housing (400) having an outer circumference on which the wire is wound, and a cap (700).

[0030] The base housing (100) includes a cylindrical fixed axis (110) which protrudes to be vertical to one surface at the center of one surface of a case.

[0031] The winding housing (400) includes a sub-base lower housing (410) which is formed in a cylindrical cover type with one opened side, a cylindrical winding bobbin (420) which is provided at the center of the other side of the sub-base lower housing (410) such that a wire is wound on the outer circumference thereof, and a sub-base upper housing (430) which is provided on the other side of the winding bobbin (420) and is configured in a cylindrical shape with the other side opened in a direction opposite to a direction of opening the sub-base lower housing (410) with respect to the winding bobbin (420).

[0032] The winding housing (400) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the centers of the sub-base lower housing (410), the winding bobbin (420), and the sub-base upper housing (430), and includes a wear-resistant improved insert (440) on the inner circumference of the hollow center.

[0033] Referring to FIG. 1 to FIG. 3, the invention according to the first embodiment is an automatic winding module of a wire. In this case, the automatic winding module may include a base housing (100) on which a cylindrical fixed axis (110) is formed in a direction vertical to one side thereof at the center of the side.

[0034] In this case, the automatic winding module may include a PCB substrate (200) which is coupled to one side of the base housing (100), is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center, and is provided with a PCB pattern (210) formed on the other side of the surface coming in contact with the base housing (100).

[0035] In this case, the automatic winding module may include a contact terminal coupling plate (300) which is provided with a pin contact terminal (310) coupled to one side thereof, is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center, and is configured such that the pin contact terminal (310) comes in contact with the PCB pattern (210) of the PCB substrate (200).

[0036] In this case, the automatic winding module may include a winding housing (400) including a sub-base lower housing (410) which is formed in a cylindrical cover type with one opened side, a cylindrical winding bobbin (420) which is provided at the center of the other side of the sub-base lower housing (410) such that a wire is wound on the outer circumference thereof, and a sub-base upper housing (430) which is provided on the other side of the winding bobbin (420) and is configured in a cylindrical shape with the other side opened in a direction opposite to a direction of opening the sub-base lower housing (410) with respect to the winding bobbin (420), and the winding housing (400) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the centers of the sub-base lower housing (410), the winding bobbin (420), and the sub-base upper housing (430), and includes a wear-resistant improved insert (440) on the inner circumference of the hollow center.

[0037] In this case, the automatic winding module may include a rolling elastic member (500) which has elasticity as a rolled type, and is accommodated in the sub-base upper housing (430) to provide rotational force to the winding housing (400).

[0038] In this case, the automatic winding module may include a closing clip (600) which is coupled to the end of the fixed axis (110), and prevents the winding housing (400) and the rolling elastic member (500) from escaping from the fixed axis (110).

[0039] In this case, the automatic winding module may include a cap (700) which is configured in a cover type in which one side thereof covers the opening of the sub-base upper housing (430) and is coupled to the sub-base upper housing (430).

[0040] In this case, the automatic winding module may include a button unit (not illustrated) which is coupled to one side of the base housing (100) and one side of the winding housing (400), and allows a wire to be wound on the winding housing (400) by rotating the winding housing (400) by elasticity of the rolling elastic member (500) when a button is pushed.

[0041] The base housing (100) is configured in a plate type, and includes a cylindrical fixed axis (110) formed in a direction vertical to one side at the center of the side.

[0042] The PCB substrate (200) is configured to couple to one side of the base housing (100).

[0043] The PCB substrate (200) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center portion.

[0044] The PCB substrate (200) includes a PCB pattern (210) on the outer side of the surface coming in contact with the base housing (100).

[0045] In this case, the PCB pattern (210) may be configured with a PCB pattern for 2 pins.

[0046] In this case, the PCB pattern (210) may be configured with a PCB pattern for 4 pins.

[0047] The contact terminal coupling plate (300) is provided with a pin contact terminal (310) coupled on one side thereof.

[0048] In this case, the pin contact terminal (310) may be configured with any one of a 2-pin contact terminal or a 4-pin contact terminal in accordance with the PCB pattern (210).

[0049] The contact terminal coupling plate (300) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center.

[0050] The contact terminal coupling plate (300) may be rotated about the fixed axis (110).

[0051] The contact terminal coupling plate (300) is configured such that the pin contact terminal (310) comes in contact with the PCB pattern (210) of the PCB substrate (200) at the time of being coupled to the fixed axis (110).

[0052] The winding housing (400) includes a sub-base lower housing (410), a winding bobbin (420), and a sub-base upper housing (430).

[0053] The winding housing (400) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the center.

[0054] The winding housing (400) may rotate about the fixed axis (110).

[0055] The winding housing (400) includes a wear-resistant improved insert (440) on the inner circumference of the hollow center.

[0056] Preferably, the wear-resistant improved insert (440) is made of metal.

[0057] The sub-base lower housing (410) is configured in a cylindrical cover type with one opened side.

[0058] The sub-base lower housing (410) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center.

[0059] The sub-base lower housing (410) accommodates the PCB substrate (200) and the contact terminal coupling plate (300) therein at the time of being coupled to the fixed axis (110).

[0060] The winding bobbin (420) is cylindrical, and is configured at the center of the other side of the sub-base lower housing (410), and a wire is wound on the outer circumference thereof.

[0061] The winding bobbin (420) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing, at the time of being coupled while passing through the center of the sub-base lower housing (410).

[0062] The sub-base upper housing (430) is provided on the other side of the winding bobbin (420), and is configured in a cylindrical type with the other side opened in a direction opposite to a direction of opening the sub-base lower housing (410) with respect to the winding bobbin (420).

[0063] The sub-base upper housing (430) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the sub-base lower housing (410) and the winding bobbin (420) together.

[0064] The sub-base upper housing (430) is provided with an accommodation space to accommodate the rolling elastic member (500) and the closing clip (600) therein.

[0065] In other words, the winding housing (400) is coupled in a type in which the sub-base lower housing (410) is opened outwards on one side thereof and the sub-base upper housing (430) is opened outwards on the other side thereof, with respect to the winding bobbin (420).

[0066] The winding housing (400) may include braking teeth which is installed in a circumferential direction of the winding housing (400) on the outer circumferential surface of the winding housing (400), is provided with an arc-type inclination surface on any one surface, and is provided with an inclination surface forming an obtuse angle with the surface on the other surface.

[0067] The rolling elastic member (500) has elasticity as a rolled type.

[0068] The rolling elastic member (500) is fitted to a lock coupling groove (111) of the fixed axis (110), after the fixed axis (110) is coupled to the winding housing (400) while passing.

[0069] In other words, in a rolled state of the rolling elastic member (500), one end positioned at the center in a rolled state is coupled to the fixed axis (110), the other end positioned on the outskirts is coupled to the sub-base upper housing (430). Accordingly, when the winding housing (400) is rotated about the fixed axis (110), the rolling elastic member (500) provides elasticity to the winding housing (400) to re-rotate the winding housing (400) in the opposite direction.

[0070] The rolling elastic member (500) is accommodated in the sub-base upper housing (430) to provide rotational force to the winding housing (400).

[0071] The closing clip (600) is coupled to the end of the fixed axis (110).

[0072] The closing clip (600) prevents the winding housing (400) and the rolling elastic member (500) from escaping from the fixed axis (110).

[0073] The cap (700) is configured in a cover type in which one side thereof covers the opening of the sub-base upper housing (430) and is coupled to the sub-base upper housing (430).

[0074] The cap (700) is provided with a coupling groove insertion portion (711) to which the end of the lock coupling groove (111) is fitted, at the center of one side.

[0075] Accordingly, the invention according to the first embodiment can provide a button-type automatic winding module of a wire for Bluetooth headset with improved wear resistance of a rotation axis.

[0076] Referring to FIG. 4 to FIG. 6, the invention according to the second embodiment is an automatic winding module of a wire. In this case, the automatic winding module may include a base housing (100) on which a cylindrical fixed axis (110) is formed in a direction vertical to one side thereof at the center of the side.

[0077] In this case, the automatic winding module may include a PCB substrate (200) which is coupled to one side of the base housing (100), is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center, and is provided with a PCB pattern (210) formed on the other side of the surface coming in contact with the base housing (100).

[0078] In this case, the automatic winding module may include a contact terminal coupling plate (300) which is provided with a pin contact terminal (310) coupled to one side thereof, is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center, and is configured such that the pin contact terminal (310) comes in contact with the PCB pattern (210) of the PCB substrate (200).

[0079] In this case, the automatic winding module may include a winding housing (400) including a sub-base lower housing (410) which is formed in a cylindrical cover type with one opened side, a cylindrical winding bobbin (420) which is provided at the center of the other side of the sub-base lower housing (410) such that a wire is wound on the outer circumference thereof, and a sub-base upper housing (430) which is provided on the other side of the winding bobbin (420) and is configured in a cylindrical shape with the other side opened in a direction opposite to a direction of opening the sub-base lower housing (410) with respect to the winding bobbin (420), and the winding housing (400) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the centers of the sub-base lower housing (410), the winding bobbin (420), and the sub-base upper housing (430), and includes a wear-resistant improved insert (440) on the inner circumference of the hollow center.

[0080] In this case, the automatic winding module may include a rolling elastic member (500) which has elasticity as a rolled type, and is accommodated in the sub-base upper housing (430) to provide rotational force to the winding housing (400).

[0081] In this case, the automatic winding module may include a pair of grease cover plates (1000) which are configured in a disc type, is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center, is coupled to the fixed axis (110) in a state of being positioned on both sides of the rolling elastic member (500) at the time of coupling, and is accommodated in the sub-base upper housing (430), to prevent rolling-applied grease from leaking out.

[0082] In this case, the automatic winding module may include a cap (700) which is configured in a cover type in which one side thereof covers the opening of the sub-base upper housing (430) and is coupled to the sub-base upper housing (430), and is provided with a track (720) for moving a stopper ball on the other side.

[0083] In this case, the automatic winding module may include a stopper ball (800) positioned on the track (720) to move along the track (720).

[0084] In this case, the automatic winding module may include a main case (900) which is configured to couple to the base housing (100), and covers the entire of one side provided with the track (720) of the cap (700) at the time of being coupled to the base housing (100).

[0085] The base housing (100) is configured in a plate type, and includes a cylindrical fixed axis (110) formed in a direction vertical to one side at the center of the side.

[0086] In this case, the base housing (100) may further include a plurality of coupling grooves (120) disposed radially on the outermost side in one side thereof.

[0087] The PCB substrate (200) is coupled to one side of the base housing (100).

[0088] The PCB substrate (200) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center portion.

[0089] The PCB substrate (200) includes a PCB pattern (210) on the outer side of the surface coming in contact with the base housing (100).

[0090] In this case, the PCB pattern (210) may be configured with a PCB pattern for 2 pins.

[0091] In this case, the PCB pattern (210) may be configured with a PCB pattern for 4 pins.

[0092] The contact terminal coupling plate (300) is provided with a pin contact terminal (310) coupled on one side thereof.

[0093] In this case, the pin contact terminal (310) may be configured with any one of a 2-pin contact terminal or a 4-pin contact terminal in accordance with the PCB pattern (210).

[0094] The contact terminal coupling plate (300) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center.

[0095] The contact terminal coupling plate (300) may be rotated about the fixed axis (110).

[0096] The contact terminal coupling plate (300) is configured such that the pin contact terminal (310) comes in contact with the PCB pattern (210) of the PCB substrate (200) at the time of being coupled to the fixed axis (110).

[0097] The winding housing (400) includes a sub-base lower housing (410), a winding bobbin (420), and a sub-base upper housing (430).

[0098] The winding housing (400) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the center.

[0099] The winding housing (400) may rotate about the fixed axis (110).

[0100] The winding housing (400) includes a wear-resistant improved insert (440) on the inner circumference of the hollow center.

[0101] Preferably, the wear-resistant improved insert (440) is made of metal.

[0102] The sub-base lower housing (410) is configured in a cylindrical cover type with one opened side.

[0103] The sub-base lower housing (410) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center.

[0104] The sub-base lower housing (410) accommodates the PCB substrate (200) and the contact terminal coupling plate (300) therein at the time of being coupled to the fixed axis (110).

[0105] The winding bobbin (420) is cylindrical, and is configured at the center of the other side of the sub-base lower housing (410), and a wire is wound on the outer circumference thereof.

[0106] The winding bobbin (420) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing, at the time of being coupled while passing through the center of the sub-base lower housing (410).

[0107] The sub-base upper housing (430) is provided on the other side of the winding bobbin (420), and is configured in a cylindrical type with the other side opened in a direction opposite to a direction of opening the sub-base lower housing (410) with respect to the winding bobbin (420).

[0108] The sub-base upper housing (430) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while consecutively passing through the sub-base lower housing (410) and the winding bobbin (420) together.

[0109] The sub-base upper housing (430) is provided with an accommodation space to accommodate the rolling elastic member (500) and the grease cover plates (1000) therein.

[0110] In other words, the winding housing (400) is coupled in a type in which the sub-base lower housing (410) is opened outwards on one side thereof and the sub-base upper housing (430) is opened outwards on the other side thereof, with respect to the winding bobbin (420).

[0111] The rolling elastic member (500) has elasticity as a rolled type.

[0112] The rolling elastic member (500) is fitted to a lock coupling groove (111) of the fixed axis (110), after the fixed axis (110) is coupled to the winding housing (400) while passing.

[0113] In other words, in a rolled state of the rolling elastic member (500), one end positioned at the center in a rolled state is coupled to the fixed axis (110), the other end positioned on the outskirts is coupled to the sub-base upper housing (430). Accordingly, when the winding housing (400) is rotated about the fixed axis (110), the rolling elastic member (500) provides elasticity to the winding housing (400) to re-rotate the winding housing (400) in the opposite direction.

[0114] The rolling elastic member (500) is accommodated in the sub-base upper housing (430) to provide rotational force to the winding housing (400).

[0115] The grease cover plate (1000) is configured in a disc type.

[0116] The grease cover plate (1000) is provided with a hollow at the center thereof such that the fixed axis (110) is coupled while passing through the center.

[0117] The grease cover plate (1000) is rotated about the fixed axis (110).

[0118] The grease cover plates (1000) are provided in pair, and are coupled to the fixed axis (110) in a state of being positioned on both sides of the rolling elastic member (500) at the time of being coupled to the fixed axis (110).

[0119] The grease cover plates (1000) are accommodated in the sub-base upper housing (430) to prevent the rolling-applied grease from leaking out.

[0120] The cap (700) is configured in a cover type in which one side thereof covers the opening of the sub-base upper housing (430) and is coupled to the sub-base upper housing (430).

[0121] The cap (700) is provided with a coupling groove insertion portion (711) to which the end of the lock coupling groove (111) is fitted, at the center of one side.

[0122] The cap (700) is provided with a track (720) for moving a stopper ball on the other side.

[0123] The cap (700) is provided with a rotation axis insertion protrusion (730) at the center of the other side thereof.

[0124] The stopper ball (800) is positioned on the track (720) to roll and move along the track (720).

[0125] The main case (900) is coupled to the base housing (100).

[0126] The main case (900) covers the entire of one side on which the track (720) of the cap is formed, at the time of being coupled to the base housing (100).

[0127] The main case (900) is provided with a rotation axis groove (930) as a groove or a hollow so as to be fitted to the rotation axis insertion protrusion (730) at the center of one side thereof.

[0128] The main case (900) includes a plurality of coupling protrusions formed radially to correspond to the positions at which the coupling grooves (120) of the base housing (100) are formed, on the outermost side of one side thereof.

[0129] Accordingly, the present invention according to the second embodiment can provide a ball-stopper-type automatic winding module of a wire for Bluetooth headset with improved wear resistance of a rotation axis.

[0130] While the present invention has been described with respect to the specific embodiments, it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

INDUSTRIAL APPLICABILITY

[0131] Accordingly, since the present invention has an effect capable of providing the button-type automatic winding module of the wire which firmly maintains the rotation axis without twist of the rotation axis even in case of using it for a long time, thereby preventing breakaway between the terminal and the PCB pattern, to prevent a short circuit from occurring and has another effect capable of providing the button-type automatic winding module of the wire, wherein the rotation axis is firmly maintained without twist of the rotation axis even in case of using it for a long time, thereby preventing failure of the wire winding function caused by twist of the rotation axis, it can be widely used in industry.

REFERENCE SIGNS LIST

[0132] 100: base housing

[0133] 200: PCB substrate

[0134] 300: contact terminal coupling plate

[0135] 400: winding housing

[0136] 500: rolling elastic member

[0137] 600: closing clip

[0138] 700: cap

[0139] 800: stopper ball

[0140] 900: main case

[0141] 1000: grease cover plate