KR20110014270A - Plug connector for flat cable - Google Patents

Plug connector for flat cable Download PDF

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Publication number
KR20110014270A
KR20110014270A KR1020090068319A KR20090068319A KR20110014270A KR 20110014270 A KR20110014270 A KR 20110014270A KR 1020090068319 A KR1020090068319 A KR 1020090068319A KR 20090068319 A KR20090068319 A KR 20090068319A KR 20110014270 A KR20110014270 A KR 20110014270A
Authority
KR
South Korea
Prior art keywords
flat cable
main body
contact
connector
plug connector
Prior art date
Application number
KR1020090068319A
Other languages
Korean (ko)
Inventor
윤인기
Original Assignee
(주)우주일렉트로닉스
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 (주)우주일렉트로닉스 filed Critical (주)우주일렉트로닉스
Priority to KR1020090068319A priority Critical patent/KR20110014270A/en
Publication of KR20110014270A publication Critical patent/KR20110014270A/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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/771—Details
    • H01R12/774—Retainers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/88—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by rotating or pivoting connector housing parts

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The present invention relates to a plug connector for a flat cable, and more particularly, to a flat cable connection terminal such as a flat flexible cable or a fusible printed circuit cable, without having a separate contact to be in contact with the contact of the receptacle connector to be coupled. A plug connector is used to make contact with a contact of a receptacle connector. The plug connector of the present invention includes an insertion portion protruding forward of the main body portion and inserted into the receptacle connector, and a flat cable having a concave groove is installed, and a connection terminal of the flat cable is disposed on the insertion portion to accommodate the receptacle connector. A plug connector to be brought into contact with a contact of the plug connector, the through hole penetrating up and down at a position corresponding to the concave groove among side edges of the main body portion; The cover is coupled to the main body portion is inserted into the through hole of the main body is characterized in that it has a fixing portion for fixing the flat cable in combination with the concave portion of the flat cable.

Description

Plug Connector for Flat Cables {PLUG CONNECTOR FOR FLAT CABLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plug connector for a flat cable, and more particularly, to a flat cable, that is, a flat flexible cable (FFC) without a separate contact to contact with a contact of a receptacle connector to be coupled. Or a plug connector for making contact with a contact of a receptacle connector by using a connection terminal of a flexible printed circuit cable (FPC).

In general, a plug connector 1 as shown in FIG. 1 is often used as a connector for connecting flat cables to each other or to a printed circuit board. In this case, the plug connector 1 is connected to the receptacle connector 2 as shown in FIG. The insertion part 8 is inserted and connected to each other to maintain the fastening with each other through the fastening member 7.

The plug connector 1 disclosed in Korean Patent No. 585939 has a contact 4 to be brought into contact with the contact 3 of the receptacle connector 2 so that the soldered portion 4 'of the contact is connected to the flat cable. It is connected through the terminal and soldering.

Recently, a plug as shown in FIG. 3 disclosed in Korean Patent No. 716401 has been developed, and such a plug connector uses the exposed connection terminal 11 of the flat cable 10 as a substitute for the contact without providing a separate contact. .

The case where the exposed connection terminal of the flat cable is used as a contact is also disclosed in Korean Patent Application No. 10-2008-96905 (Fig. 4) and Korean Patent Application No. 10-2009-43119 (Fig. 5).

In the case of the plug connector shown in FIG. 3, the main body 20 made of synthetic resin has a fitting groove (not shown), and the cable is connected to the connector 12 by inserting the projection 12 of the flat cable 10 into the fitting groove. A press member 50 is further provided to press the flat cable 10 inserted into the fitting groove so as not to be detached from the press groove, and the pressing member 50 presses the protrusion 12 of the flat cable 10. Pressing protrusions 52 are provided for this purpose. In addition, the lower cover 30 and the upper cover 40 are provided to fix the pressing member 50 to the main body 20 and to remove static electricity from the cable.

As described above, the exposed connection terminal 11 of the flat cable 10 is mounted on the insertion portion 8 of the housing.

In the case of the plug connector shown in FIG. 4, the flat cable 10 has a recess 13 instead of a protrusion, and the recess 13 is fitted into the protrusion 22 of the main body 20. The plug connector of FIG. 3 differs in that the cable is secured so as not to be detached from the connector.

In addition, in the case of the plug connector shown in FIG. 5, the concave groove 13 is provided in the flat cable 10 like the plug connector shown in FIG. 4. The plug connector shown in FIG. 5 does not include the pressing member 50, and has a slit into which the flat cable 10 is inserted into the main body 20, and a latching part capable of elastic deformation at the bottom of the slit at the edge of the main body. When 25 is inserted into the flat cable 10 is deformed downward and is coupled to the concave groove 13 is to fix the flat cable 10 to the plug connector. Whether the flat cable 10 is properly mounted can be visually confirmed through the observation port 29 processed at the upper end of the main body 20, and also by clicking feeling caused by the deformation of the locking portion 25. Can be.

In the conventional plug connectors, since the insertion portion 8 inserted into the receptacle connector is inserted between the terminals of the receptacle connector, the thickness of the insertion portion 8 must be thin and the guide portion 6 is installed to reinforce it. However, there are many cases where the guide part 6 is damaged by external force during the engagement and disengagement of the connector, including the case where the guide part 6 is forcibly inserted into the receptacle connector.

In addition, it is difficult to disassemble when it is necessary to replace the flat cable because the adoption of the pressing member or to adopt the slit and elastically deformable locking portion without the pressing member.

The present invention has been made to solve the above problems, it is located in the front of the plug connector and by strengthening the strength of the insertion portion inserted into the receptacle connector is not easily broken, and also can be easily separated if necessary It is an object of the present invention to provide a plug connector.

The plug connector of the present invention devised to achieve the above object,

A plug which protrudes forward of the main body and is inserted into the receptacle connector, and a flat cable having a concave groove is installed, and a connection terminal of the flat cable is disposed on the insert to come into contact with a contact of the receptacle connector In the connector,

A through hole vertically penetrated at a position corresponding to the concave groove among side edges of the main body;

The cover is coupled to the main body portion is inserted into the through hole of the main body is characterized in that it has a fixing portion for fixing the flat cable in combination with the concave portion of the flat cable.

In addition, the plug connector of the present invention

A plug which protrudes forward of the main body and is inserted into the receptacle connector, and a flat cable having a concave groove is installed, and a connection terminal of the flat cable is disposed on the insert to come into contact with a contact of the receptacle connector In the connector,

It is also preferable to further include a cover having a support surface for supporting the insertion portion, which is installed on the surface opposite to the surface on which the connection terminal of the flat cable is disposed among the insertion portion of the main body portion.

 It is preferable that a plurality of concave grooves, through holes, and fixing portions are formed at corresponding positions, respectively.

According to the present invention, it is an object of the present invention to provide a plug connector in which breakage does not easily occur by making the strength of the insertion portion in front of the main body portion easier, and in which the cable can be easily separated if necessary.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

6 is a perspective view of the connector of the present embodiment, FIG. 7 is a bottom perspective view, and FIG. 8 is an exploded perspective view.

The plug connector 1 according to the present exemplary embodiment includes a main body 20 made of a synthetic resin, a fastening spring 60, and a metal lower cover 30 coupled to a lower portion of the main body 20.

The main body 20 is formed with a slit 120 so that the flat cable 10 is inserted at the rear thereof so that the connection terminal 11 of the flat cable 10 can be exposed on the upper surface of the inserting portion 8.

The fastening spring 60 is inserted from the lower end of the main body 20, and is installed to maintain the fastening after insertion into the receptacle connector according to the operation of the gripping portion 130 of the main body 20.

In addition, the main body 20 is formed with a through hole 140 penetrating the upper and lower surfaces of the main body portion in a position corresponding to the concave groove 13 of the flat cable (10).

The lower cover 30 is provided with a pressing spring 144 that can elastically press the flat cable 10 inserted into the main body through the pressurizing through hole 142 of the lower surface of the main body. In addition, the lower cover 30 has a fixing part 154 that is bent upwards to be inserted into the through hole 140 at a position corresponding to the through hole 140 of the main body part 20. The support surface 160 which supports the lower surface of the said insertion part 8 in the position corresponding to the lower surface of the negative insertion part 8 is provided.

A method of assembling the plug connector and the flat cable of this embodiment will be described.

The flat cable 10 is inserted into the slit 120 from the rear of the main body 20. When the connection terminal 11 is inserted to a predetermined position to expose the upper surface of the inserting portion 8, the insertion is completed. When the insertion of the flat cable 10 is completed, the fastening spring 60 is mounted at a predetermined position of the main body 20, and the lower cover 30 is assembled to the main body 20.

The coupling groove 152 of the lower cover 30 is combined with the coupling protrusion 150 of the main body 20 so that the coupling between the lower cover 30 and the main body 20 is maintained. By this coupling, as described above, the pressing spring 144 is pressed against the flat cable 10 through the pressing through-hole 142 of the main body 20.

In addition, the fixing portion 154 of the lower cover 30 is coupled to the through hole 140 of the main body 20, as shown in Figure 9, the fixing portion 154 and the through hole 140 and the recessed groove Since the 13 is formed at a position corresponding to each other, the fixing portion 154 prevents the flat cable 10 from being separated from the plug connector by the concave groove 13 of the flat cable 10.

When the coupling is completed, the support surface 160 of the lower cover 30 supports the lower surface of the insertion portion 8 of the main body 20 to prevent the insertion portion 8 from being deformed.

Subsequently, when the flat cable 10 is damaged or the flat cable 10 needs to be replaced, the lower cover 30 is separated by separating the coupling groove 152 of the lower cover 30 from the coupling protrusion 150 of the main body 20. When the 30 is removed from the main body 20, the flat cable 10 can be easily removed from the main body 20, and the replaced flat cable 10 can also be easily removed by the assembly method described above. It can be mounted to the portion 20.

1 is a view showing an example of a conventional plug connector.

2 shows an example of a conventional receptacle connector.

3, 4 and 5 show an example of another conventional plug connector.

Fig. 6 is a perspective view of the connector of this embodiment.

Fig. 7 is a bottom perspective view of the connector of this embodiment.

8 is an exploded perspective view of the connector of the present embodiment;

9 is a cross-sectional view of the A-A of FIG.

** Explanation of symbols on the main parts of the drawing **

8 insertion part 10 flat cable 13 concave groove 20 main body part

30: lower cover 140: through hole 153: fixing part 160: support part

Claims (3)

A plug which protrudes forward of the main body and is inserted into the receptacle connector, and a flat cable having a concave groove is installed, and a connection terminal of the flat cable is disposed on the insert to come into contact with a contact of the receptacle connector In the connector, A through hole vertically penetrated at a position corresponding to the concave groove among side edges of the main body; The cover coupled to the main body is inserted into the through hole of the main body plug connector, characterized in that provided with a fixing portion for fixing the flat cable in combination with the recess of the flat cable. A plug which protrudes forward of the main body and is inserted into the receptacle connector, and a flat cable having a concave groove is installed, and a connection terminal of the flat cable is disposed on the insert to come into contact with a contact of the receptacle connector In the connector, Plug connector, characterized in that further provided with a cover having a support surface for supporting the insertion portion is installed on the surface opposite to the surface on which the connection terminal of the flat cable is disposed of the insertion portion of the main body portion. The plug connector according to claim 1, wherein a plurality of concave grooves, through holes, and fixing portions are formed in corresponding positions, respectively.
KR1020090068319A 2009-07-27 2009-07-27 Plug connector for flat cable KR20110014270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090068319A KR20110014270A (en) 2009-07-27 2009-07-27 Plug connector for flat cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090068319A KR20110014270A (en) 2009-07-27 2009-07-27 Plug connector for flat cable

Publications (1)

Publication Number Publication Date
KR20110014270A true KR20110014270A (en) 2011-02-11

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ID=43773494

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090068319A KR20110014270A (en) 2009-07-27 2009-07-27 Plug connector for flat cable

Country Status (1)

Country Link
KR (1) KR20110014270A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101288335B1 (en) * 2012-04-27 2013-07-22 (주)우주일렉트로닉스 Connector
KR101411554B1 (en) * 2012-12-13 2014-06-25 엘에스엠트론 주식회사 Connector for connecting flat cable
KR101438564B1 (en) * 2011-06-02 2014-09-05 에스에무케이 가부시키가이샤 Connector for a flat cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101438564B1 (en) * 2011-06-02 2014-09-05 에스에무케이 가부시키가이샤 Connector for a flat cable
KR101288335B1 (en) * 2012-04-27 2013-07-22 (주)우주일렉트로닉스 Connector
KR101411554B1 (en) * 2012-12-13 2014-06-25 엘에스엠트론 주식회사 Connector for connecting flat cable

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E601 Decision to refuse application