KR200466139Y1 - Cord having integral stopper - Google Patents

Cord having integral stopper Download PDF

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Publication number
KR200466139Y1
KR200466139Y1 KR2020120001120U KR20120001120U KR200466139Y1 KR 200466139 Y1 KR200466139 Y1 KR 200466139Y1 KR 2020120001120 U KR2020120001120 U KR 2020120001120U KR 20120001120 U KR20120001120 U KR 20120001120U KR 200466139 Y1 KR200466139 Y1 KR 200466139Y1
Authority
KR
South Korea
Prior art keywords
stopper
cord
board
copper wires
connection
Prior art date
Application number
KR2020120001120U
Other languages
Korean (ko)
Inventor
서동현
김성기
성찬우
Original Assignee
부전전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 부전전자 주식회사 filed Critical 부전전자 주식회사
Priority to KR2020120001120U priority Critical patent/KR200466139Y1/en
Application granted granted Critical
Publication of KR200466139Y1 publication Critical patent/KR200466139Y1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable

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  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)

Abstract

The present invention relates to a cord used in earphones, and more particularly, to a cord in which a connection board for connecting a plurality of copper wires (wires) is integrally formed at an end of the cord. The present invention includes a stopper formed by injection molding of a plastic material so as to fix a plurality of copper wires which are exposed at the ends of the protective shell and are arranged in left and right rows; And a connection board embedded in the stopper and fixed and installed to expose a predetermined length toward the front of the stopper.

Description

Cord having integral stopper

The present invention relates to a cord used in earphones, and more particularly, to a cord in which a connection board for connecting a plurality of copper wires (wires) is integrally formed at an end of the cord.

In general, a cord refers to a flexible wire that is insulated so as to be used in earphones or the like to transmit a signal between a portable audio device and a speaker unit.

The cord for the earphone is made of a plurality of copper wires arranged inside the protective outer cover made of PVC or urethane.

Copper wires wired inside the shell are usually made of copper, but are called enameled wires with enamel coating. Usually, cords are divided into four cores, eight cores, and 14 cores, depending on the number of copper wires.

In addition, the inner sheath of the cord may further include a tensile line called a piano wire to increase the tensile force of the cord in addition to the copper wire.

As is well known, an earphone is a small speaker used in a portable audio device, and the earphone consists of a cord for connecting a speaker unit and a speaker unit to be plugged into and used by the user's ear. One end of the cord is equipped with a connection jack for connecting to a portable audio device, and the other end has two speaker units.

Accordingly, the earphone cord is divided into a single wire cord and a double wire cord. That is, a cord connected to each of the two speaker units is called a disconnection cord, and a cord connected to the two disconnection cords on one side and a connection jack on the other side is called a double cord.

On the other hand, in recent years, a remote controller device equipped with a switch for operating a microphone or a portable audio device is installed at an intermediate portion of an earphone cord, typically, a disconnection cord and a double cord.

The remote controller device includes a circuit board on which various electronic components including a text switch and the like are formed and an inner space for accommodating the circuit board, and a case for fixing the cord so that the cord is not easily separated. .

In general, the case is divided into an upper case and a lower case, and semicircular through-holes through which a cord penetrates are formed at both ends. The upper case is formed such that the switch button and the like are exposed.

Therefore, when the remote control is installed in the middle of the cord, first, the protective shell at the end of the cord is peeled off a predetermined length to expose a plurality of copper wires to the outside. Then, unwind the twisted copper wire and straighten it again to peel off the endothelial at the end of the copper wire for a certain length, and then expose the exposed copper wire to the connection terminal formed on the circuit board and solder it.

Then, the installation of the remote controller is completed by combining the upper case and the lower case to press the cord through the through hole so that the cord does not fall out.

On the other hand, if the cord is pulled incorrectly while using the earphone, a problem arises in that the amount of connection is generated by disconnecting the copper wire connected to the circuit board of the remote controller. In order to prevent such a problem, the technique of providing the stopper which has a predetermined | prescribed size and formation in the edge part of the said cord | tip is known in recent years.

The stopper is integrally fixed to the protective sheath of the cord and has a size that cannot pass through the through hole of the case. Therefore, if the upper case and the lower case are combined while the stopper is positioned inside the case or fixed with a fixing pin, the cord does not move out of the case even if the cord is strongly pulled out because the stopper cannot pass through the through hole. Can be prevented.

7 shows a code with a stopper according to the prior art. As shown, the stopper 30 provided at the end of the conventional cord 10 is fixed to the outer peripheral surface of the protective sheath 15 of the cord 10. That is, conventionally, the stopper 30 is provided at a position spaced apart from the end of the protective shell 15 to the rear by a predetermined distance. Therefore, the conventional stopper 30 is only fixed to the protective sheath 10, and does not fix the copper wire 11 extending from the inside of the protective sheath 10.

Therefore, the conventional stopper 30 can perform a function that is not easily separated from the remote controller or the case for the cord 10 is installed, but when installing the remote controller, etc. in the middle of the cord, a plurality of twisted wires There is still a need to unwind and straighten the site workers, break off the inner line of the copper wire, and align the copper wire to the left and right according to the arrangement of the connection terminals.

In addition, since the conventional stopper 30 is completely separated from the circuit board and is connected through a plurality of copper wires, disconnection occurs between the copper wire or the copper wire and the connection terminal of the circuit board when the stopper 30 rotates up and down. There was.

Therefore, the operation of connecting the conventional code to a remote controller, etc. takes a lot of time and there is a problem that a defect occurs that the copper wire is cut or the connection of the copper wire is disconnected when used for a long time.

The present invention has been made to solve the problems of the prior art, the main object of the present invention is to use a stopper provided at the end of the cord to align a plurality of copper wires in a row and at the same time connecting the printed circuit board to the end of the stopper When the cord is connected to a remote controller, the field operator solves the inconvenience of unscrewing a plurality of twisted copper wires and arranging them in a line, then finding the copper wires corresponding to the connection terminals and soldering them to the connection terminals. At the same time, by connecting a copper wire of a cord with a circuit board using a connecting printed circuit board, there is provided a cord in which a printed circuit board is integrally formed which can prevent the copper wire or the contact from being separated.

As a means for achieving the above object, the cord is formed integrally with the printed circuit board according to the present invention,

A cord comprising a protective sheath and a plurality of copper wires surrounded by and coated with the protective sheath,

A stopper formed by injection molding of a plastic material to fix a plurality of copper wires exposed to the ends of the protective shell and arranged in a left and right row;

And a connection board embedded in the stopper and fixed and installed to expose a predetermined length toward the front of the stopper.

Connection terminals embedded in the stopper are formed on the side of the stopper, and connection terminals are connected to the copper wires arranged in a line, and a plurality of fixing pins are connected to a predetermined circuit board on the exposed side of the stopper. Is formed, and a circuit pattern for connecting the corresponding connection terminal and the fixing pin is formed between the connection terminal and the fixing pin.

According to the present invention, not only the plurality of copper wires are aligned in left and right lines by a stopper formed integrally at the end of the cord, but also the copper wires aligned left and right before connecting the cord to the remote controller are connected to the connection terminal of the printed circuit board. Since the pre-processing process is performed, there is no need to remove the twisted copper wire or solder it to the connection terminal, which reduces the assembly time and greatly prevents the occurrence of defects. By connecting the stopper and the circuit board by using a circuit board, even if the cord is repeatedly moved up and down, there is an effect of preventing the occurrence of product defects by preventing the disconnection in the copper wire or connecting portion.

1 is a plan view showing a cord integrally provided with a connecting substrate according to the present invention,
Figure 2 is a perspective view showing a cord integrally provided with a connecting substrate according to the present invention,
3 is a cross-sectional view showing a cord integrally provided with a connecting substrate according to the present invention;
Figure 4 is a bottom view showing a cord integrally provided with a connecting substrate according to the present invention,
5 and 6 are examples of the use of the cord is integrally provided with a connecting substrate according to the present invention
Perspective and top view for showing,
7 is a conceptual diagram illustrating a code according to the prior art.

 Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the cord and the mold for the connection board is provided integrally according to the present invention.

First, as shown in Figures 1 and 4, the cord 10 is integrally provided with a connecting substrate according to the present invention, the cord 10 and the cord of a predetermined length to be used in connection with a portable audio device such as earphones It comprises a stopper 30 formed integrally at the end of the (10) and a connecting substrate 40 fixed integrally to the stopper 30 so as to expose a predetermined length in front of the stopper (30).

At this time, the cord 10 is composed of a protective outer shell 15 surrounding a plurality of copper wire 11, each copper wire 11 is surrounded by the inner shell (13). The copper wires 11 enclosed in the protective sheath 15 are twisted in a spiral, and the copper wires 11 exposed to the ends of the protective sheath 15 are arranged in a straight line.

The stopper 30 is made of a plastic material, and is formed to include a plurality of copper wires 11 extending outward from an end of the protective sheath 15 and an end of the protective sheath 15.

Preferably, the stopper 30 is insert injected to include an end of the protective shell 15 and a plurality of copper wires 11. In this case, the plurality of copper wires 11 are arranged in a line to the left and right to facilitate connection to the connection terminal of the connecting substrate.

The stopper 30 has a substantially rectangular shape, and includes a front part 31, left and right side parts 34, and a rear part 33. The front part 31 has a step shape so that a part of the connection board 40 embedded therein is exposed to the outside. Preferably, the bottom surface of the connecting substrate 40 is completely supported by the stopper 30. However, the connecting substrate 40 of the present invention may be formed in the form of protruding forward from the front portion 31 of the stopper 30. In addition, although a plurality of copper wires 11 are completely embedded in the stopper 30 in the present embodiment, they may be exposed to the front portion 31 of the stopper 30 and then connected to the connecting board 40. have.

One cord 10 is fixed to the rear portion 33 of the stopper 30. Preferably, the front portion 31 is wide in the left and right width directions to accommodate the connection board 40, but the rear portion 33 is formed in a narrow width, and the front portion 31 and the rear portion 33 The side part 34 is formed in between. More preferably, the side portion 34 may be provided with a predetermined curved portion 36 so that the stopper 30 may be firmly fixed to a case to be described later. For example, the curved portion 36 has a shape corresponding to the high information formed integrally with the case.

Subsequently, the connection board 40 is a printed circuit board having a constant size similar to that of the stopper 30, and is fixed to the inside of the stopper 30 and is installed to be exposed to a predetermined length forward.

In the portion embedded in the stopper 30, a plurality of connection terminals 42 for connecting a plurality of copper wires 11 arranged in a line are formed, and on the side exposed in front of the front part 31. A plurality of fixing pins 45 are formed to be connected to a circuit board to be described later, and the connection terminal 42 and the fixing pin 45 are electrically connected between the connection terminal 42 and the fixing pin 45. The circuit pattern 44 is formed.

In this case, the connection terminal 42 may be formed in the form of a pad or in the form of a through hole. The fixing pin 45 has a size that can penetrate the through hole provided in the circuit board.

The cord 1 having an integrated connection board according to the present invention configured as described above may be coupled to both ends of the remote controller 200. 5 and 6, the remote controller 200 installed in the earphone cord 1 is installed between the single wire cord and the double cord, and the stopper 30 according to the present invention is formed at the end of the single wire cord and the double cord. And a connecting substrate 40 are provided.

As shown, the remote controller 200 includes a circuit board 210 accommodated in the upper case 200a, the lower case 200b and the lower case 200b, and equipped with various electronic components such as a text switch. Is done. The through holes 211 are provided at both ends of the left and right sides of the circuit board 210.

In addition, both ends of the lower case 200b are provided with a stopper 30 and a connection board 40 which are integrally provided on the cord 10. At this time, the high case 230 is integrally formed in the lower case 200b so as to correspond to the curved portions 36 formed on both side portions 34 of the stopper 30. More preferably, the high information 230 is made of a cylindrical or cylindrical form.

The connecting board 40 is exposed to the front in a fixed length integrally fixed to the stopper 30 to be coupled to the circuit board 210. Preferably, the connecting board 40 and the circuit board 210 are connected to each other by passing the fixing pin 45 formed in the connecting board 40 through the through hole 211 formed at one end of the circuit board 210 and soldering the same. Connect it firmly. At this time, the copper wires 11 arranged in a line inside the stopper 30 are connected to the connection terminal 42 formed on the upper surface of the connection board 40.

Therefore, the stopper 30 having the connection board 40 is inserted to be caught by the high information 230 of the lower case 200b and the upper case 200a covers the stopper 30 between the upper and lower cases 200a and 200b. 30 can be completely secured to prevent the cord 10 from leaving.

In addition, in the cord 10 according to the present invention, the copper wire 11 in a state of being finely divided by the stopper 30 is aligned in a left and right line, and these copper wires 11 are again connected to the circuit board 210 through the connection board 40. ), The operation of connecting and soldering the copper wire 11 when the remote controller 200 is assembled can be omitted.

In addition, the present invention connects the connection board 40 to the stopper 30 and the circuit board 210, so that external force is not directly applied to the copper wire 11, so that the connection or disconnection of the copper wire 11 which is commonly used in a long time use is prevented. Problems such as defects do not occur.

On the other hand, the cord 10, which is integrally provided with the connection substrate as described above, is insert-inserted together with the stopper using a mold. According to the present invention, a mold for molding a cord having an integrated connection board may be provided with a cavity corresponding to the shape of the stopper 30 and an insert groove for inserting the connection board 40 into the cavity.

For example, briefly explaining the process of insert molding the cord 10 integrally provided with the connecting board according to the present invention, the operator inserts the cord 10 in which the protective shell 15 is stripped to a predetermined length into the mold. . At this time, the plurality of copper wires 11 protruding to the tip of the protective shell 15 is prepared by straightening. Then, the connecting substrate is inserted into the insert groove in the cavity, and then the copper wires 11 arranged in line are connected to the connection terminal 42.

In this way, after connecting the copper wire 11 to the connecting substrate 40, closing the mold and injecting molten resin into the sealed cavity, the stopper 30 is integral with the tip of the cord 10 by the resin filled in the cavity. In addition to being molded into the connection board 40 is fixed to the stopper integrally.

As described above, the present invention forms a stopper at an end of the cord by using a predetermined mold, and integrally fixes a connecting board to which a plurality of copper wires branching from the tip of the cord are connected to the inside of the stopper. By connecting to facilitate the assembly work and to prevent the occurrence of fixing.

10: Code 11: copper wire
15: jacket 30: stopper
31: Front 33: Rear
34: side part 36: curved part
40: connection board 42: connection terminal
44: circuit pattern 45: fixed pin
200: remote controller 210: circuit board
230: Go Information 211: Through Hole

Claims (5)

A cord comprising a protective sheath and a plurality of copper wires surrounded by and coated with the protective sheath,
A stopper formed by injection molding of a plastic material to fix a plurality of copper wires exposed to the ends of the protective shell and arranged in a left and right row;
And a connection board embedded in the stopper and fixed and installed to expose a predetermined length toward the front of the stopper.
Connection terminals embedded in the stopper are formed on the side of the stopper, and connection terminals are connected to the copper wires arranged in a line, and a plurality of fixing pins are connected to a predetermined circuit board on the exposed side of the stopper. The cord is formed, the connection board is formed integrally between the connection terminal and the fixing pin, characterized in that a circuit pattern for connecting the corresponding connection terminal and the fixing pin is formed. The method of claim 1,
A connection board is exposed to the front portion of the stopper, one cord is fixed to the rear portion of the stopper, the front portion is wide in the left and right width direction, and the rear portion is formed in a narrow form, and a side portion is formed between the front portion and the rear portion. The cord is integrally provided with a connecting substrate, characterized in that the curved surface portion is formed on the side portion. The method of claim 2,
The connecting board is integrally provided with a connecting board, characterized in that formed to protrude a predetermined length forward from the front portion of the stopper. The method of claim 3, wherein
And a plurality of copper wires are exposed to the front portion of the stopper and then connected to the full speed terminal of the connecting board. The method according to any one of claims 2 to 4,
The curved surface portion of the stopper is integrally provided with a connecting substrate, characterized in that formed in the form corresponding to the high information formed in the case in which the cord is installed.
KR2020120001120U 2012-02-14 2012-02-14 Cord having integral stopper KR200466139Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020120001120U KR200466139Y1 (en) 2012-02-14 2012-02-14 Cord having integral stopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020120001120U KR200466139Y1 (en) 2012-02-14 2012-02-14 Cord having integral stopper

Publications (1)

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KR200466139Y1 true KR200466139Y1 (en) 2013-04-03

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KR2020120001120U KR200466139Y1 (en) 2012-02-14 2012-02-14 Cord having integral stopper

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200462823Y1 (en) * 2011-11-04 2012-10-02 부전전자 주식회사 Cord having integral stopper and mold for making the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200462823Y1 (en) * 2011-11-04 2012-10-02 부전전자 주식회사 Cord having integral stopper and mold for making the same

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