JP6180388B2 - Flat cable - Google Patents

Flat cable Download PDF

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JP6180388B2
JP6180388B2 JP2014174642A JP2014174642A JP6180388B2 JP 6180388 B2 JP6180388 B2 JP 6180388B2 JP 2014174642 A JP2014174642 A JP 2014174642A JP 2014174642 A JP2014174642 A JP 2014174642A JP 6180388 B2 JP6180388 B2 JP 6180388B2
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conductor
flat cable
covering portion
tip
covering
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JP2016051531A (en
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紘平 石堂
紘平 石堂
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Kyocera Document Solutions Inc
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Description

本発明は、フラットケーブルに関するものである。   The present invention relates to a flat cable.

電子機器内の各種デバイスを電気的に接続するためにフラットケーブルが使用されている（例えば特許文献１）。   A flat cable is used to electrically connect various devices in an electronic apparatus (for example, Patent Document 1).

図５は、フラットケーブルの一例を示す断面図である。図５に示すように、フラットケーブルは、所定の芯数の導体１０１を備え、それらの導体を挟むように絶縁性の被覆部１０２，１０３が形成されている。そして、被覆部１０２，１０３の一方の被覆部１０２が導体１０１および他方の被覆部１０３より短く形成されており、導体１０１の所定範囲の先端部の一面が露出している。   FIG. 5 is a cross-sectional view showing an example of a flat cable. As shown in FIG. 5, the flat cable includes conductors 101 having a predetermined number of cores, and insulating covering portions 102 and 103 are formed so as to sandwich the conductors. One cover portion 102 of the cover portions 102 and 103 is formed shorter than the conductor 101 and the other cover portion 103, and one surface of the tip end portion of the conductor 101 in a predetermined range is exposed.

導体１０１および他方の被覆部１０３の先端は、コネクター２０１に嵌め込まれ、露出している導体１０１がコネクター２０１の端子に接触し、フラットケーブルとコネクター２０１とが機械的におよび電気的に接続される。   The ends of the conductor 101 and the other covering portion 103 are fitted into the connector 201, the exposed conductor 101 contacts the terminal of the connector 201, and the flat cable and the connector 201 are mechanically and electrically connected. .

このようにしてフラットケーブルがコネクター２０１へ接続されるため、導体１０１および他方の被覆部１０３の先端は揃えられており、さらに、導体１０１および他方の被覆部１０３の先端部分の強度を増すために補強部１０４が形成されている。   Since the flat cable is connected to the connector 201 in this way, the tips of the conductor 101 and the other covering portion 103 are aligned, and further, the strength of the tip portions of the conductor 101 and the other covering portion 103 is increased. A reinforcing portion 104 is formed.

特開２００４−４５４５９号公報JP 2004-45459 A

しかしながら、上述のようにしてコネクター２０１をフラットケーブルの先端に押し込もうとした際に、コネクター２０１の先端エッジが、誤って、導体１０１と被覆部１０３との境界に当たったり引っ掛かったりすると、導体１０１と被覆部１０３とが互いに剥離してしまうことがある。   However, when the connector 201 is pushed into the tip of the flat cable as described above, if the tip edge of the connector 201 accidentally hits or gets caught on the boundary between the conductor 101 and the covering portion 103, the conductor 201 101 and the covering portion 103 may be separated from each other.

本発明は、上記の問題に鑑みてなされたものであり、コネクターへの接続時に導体と被覆部とが互いに剥離しにくいフラットケーブルを得ることを目的とする。   The present invention has been made in view of the above problems, and an object of the present invention is to obtain a flat cable in which a conductor and a covering portion are hardly separated from each other when connected to a connector.

本発明に係るフラットケーブルは、平面状に並行して配列された複数の導体と、前記導体を挟む第１被覆部および第２被覆部と、前記第１被覆部上に形成される補強部とを備える。そして、前記導体を露出させるために前記第２被覆部の先端部分が前記第１被覆部の先端部分より短く形成されており、前記導体の先端部が折り返され、前記第１被覆部と前記補強部との間に配置されている。   The flat cable according to the present invention includes a plurality of conductors arranged in parallel in a planar shape, a first covering portion and a second covering portion that sandwich the conductor, and a reinforcing portion formed on the first covering portion. Is provided. In order to expose the conductor, a tip portion of the second covering portion is formed shorter than a tip portion of the first covering portion, the tip portion of the conductor is folded back, and the first covering portion and the reinforcement It is arranged between the parts.

本発明によれば、コネクターへの接続時に導体と被覆部とが互いに剥離しにくいフラットケーブルを得ることができる。   According to the present invention, it is possible to obtain a flat cable in which the conductor and the covering portion are not easily separated from each other when connected to the connector.

図１は、本発明の実施の形態に係るフラットケーブルの一例を示す底面図である。FIG. 1 is a bottom view showing an example of a flat cable according to an embodiment of the present invention. 図２は、図１に示すフラットケーブルの一例を示す上面図である。FIG. 2 is a top view showing an example of the flat cable shown in FIG. 図３は、図１に示すフラットケーブルの一例を示す正面図である。FIG. 3 is a front view showing an example of the flat cable shown in FIG. 図４は、図１〜図３に示すフラットケーブルの断面図である。FIG. 4 is a cross-sectional view of the flat cable shown in FIGS. 図５は、フラットケーブルの一例を示す断面図である。FIG. 5 is a cross-sectional view showing an example of a flat cable.

以下、図に基づいて本発明の実施の形態を説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は、本発明の実施の形態に係るフラットケーブルの一例を示す底面図である。図２は、図１に示すフラットケーブルの一例を示す上面図である。図３は、図１に示すフラットケーブルの一例を示す正面図である。図４は、図１〜図３に示すフラットケーブルの断面図である。なお、図１〜図４では、フラットケーブルの一方の端部が示されている。また、図４は、図１〜図３におけるＡ−Ａ断面を示している。   FIG. 1 is a bottom view showing an example of a flat cable according to an embodiment of the present invention. FIG. 2 is a top view showing an example of the flat cable shown in FIG. FIG. 3 is a front view showing an example of the flat cable shown in FIG. FIG. 4 is a cross-sectional view of the flat cable shown in FIGS. 1 to 4 show one end of the flat cable. Moreover, FIG. 4 has shown the AA cross section in FIGS.

図１〜図４に示すフラットケーブルは、フレキシブルフラットケーブル（ＦＦＣ）である。   The flat cable shown in FIGS. 1 to 4 is a flexible flat cable (FFC).

このフラットケーブルは、平面状に並行して配列された所定の複数の導体１と、導体１を挟む第１被覆部２および第２被覆部３と、第１被覆部２上に形成される補強部４とを備える。   The flat cable includes a plurality of predetermined conductors 1 arranged in parallel in a planar shape, a first covering portion 2 and a second covering portion 3 sandwiching the conductor 1, and a reinforcement formed on the first covering portion 2. Part 4.

各導体１は、断面が矩形である平型導線である。例えば、各導体１の断面高さは０．１ｍｍ程度である。   Each conductor 1 is a flat conductor having a rectangular cross section. For example, the cross-sectional height of each conductor 1 is about 0.1 mm.

第１被覆部２および第２被覆部３は、シート状の樹脂などの絶縁体であり、互いに接着され、導体１を挟み込んで固定している。   The 1st coating | coated part 2 and the 2nd coating | coated part 3 are insulators, such as a sheet-like resin, are mutually adhere | attached and pinch | interpose and fix the conductor 1. As shown in FIG.

さらに、導体１の先端を露出させるために第２被覆部３の先端部分が第１被覆部２の先端部分より短く形成されており、さらに、第１被覆部２の先端部分は、導体１より（例えば５〜１０ｍｍ程度）短く形成され、導体１の先端部が折り返され、第１被覆部２と補強部４との間に配置されている。   Further, in order to expose the tip of the conductor 1, the tip portion of the second covering portion 3 is formed shorter than the tip portion of the first covering portion 2, and the tip portion of the first covering portion 2 is further from the conductor 1. It is formed short (for example, about 5 to 10 mm), the front end portion of the conductor 1 is folded back, and is disposed between the first covering portion 2 and the reinforcing portion 4.

補強部４は、樹脂製の平板状の部材である。導体１の先端部が折り返され、第１被覆部２と補強部４との間に配置された後に、補強部４は、導体１および第１被覆部２に接着される。なお、図４では説明のために、補強部４の厚さは、導線１の高さよりあまり大きくないが、実際には、補強部４の厚さは、導線１の高さより十分大きいため、導体１の先端部が折り返され、第１被覆部２と補強部４との間に配置されることに起因するフラットケーブル先端の厚さの増加は、コネクターに接続する際に問題とならない。   The reinforcement part 4 is a resin-made flat member. After the tip of the conductor 1 is folded and disposed between the first covering portion 2 and the reinforcing portion 4, the reinforcing portion 4 is bonded to the conductor 1 and the first covering portion 2. In FIG. 4, for the sake of explanation, the thickness of the reinforcing portion 4 is not much larger than the height of the conducting wire 1, but actually, the thickness of the reinforcing portion 4 is sufficiently larger than the height of the conducting wire 1, The increase in the thickness of the flat cable tip due to the fact that the tip portion of 1 is folded and disposed between the first covering portion 2 and the reinforcing portion 4 does not cause a problem when connecting to the connector.

なお、ここでは、第１被覆部２と補強部４との間に配置される導体１の先端部は、第１被覆部２とは接着されていない。つまり、導体１において、第１被覆部２と第２被覆部３とに挟まれている部分は、第１被覆部２に接着されているが、導体１が折り返された際に導体１の先端部分を第１被覆部２へ接着するための工程はなくてもよい。   Here, the tip of the conductor 1 disposed between the first covering portion 2 and the reinforcing portion 4 is not bonded to the first covering portion 2. That is, the portion of the conductor 1 sandwiched between the first covering portion 2 and the second covering portion 3 is bonded to the first covering portion 2, but when the conductor 1 is folded, the tip of the conductor 1 There may be no step for adhering the portion to the first covering portion 2.

以上のように、上記実施の形態によれば、第１被覆部２および第２被覆部３が複数本の導体１を挟んでおり、補強部４が、第１被覆部上に形成されている。そして、導体１を露出させるために第２被覆部３の先端部分が第１被覆部２の先端部分より短く形成されており、導体１の先端部が折り返され、第１被覆部２と補強部４との間に配置されている。   As described above, according to the above embodiment, the first covering portion 2 and the second covering portion 3 sandwich the plurality of conductors 1, and the reinforcing portion 4 is formed on the first covering portion. . And in order to expose the conductor 1, the front-end | tip part of the 2nd coating | coated part 3 is formed shorter than the front-end | tip part of the 1st coating | coated part 2, the front-end | tip part of the conductor 1 is turned back, the 1st coating | coated part 2 and a reinforcement part 4 is arranged.

これにより、導体１と第１被覆部２との間の境界が折り返された導体１によって（間欠的に）覆われるため、この実施の形態のフラットケーブルがコネクターに接続される際に、コネクターの先端エッジが、導体１と第１被覆部２との間の境界に接触しにくくなり、コネクターへの接続時に導体１の先端部分が第１被覆部２から剥離しにくい。また、導体１の先端部分が第１被覆部２と補強部４との間に配置されているので、導体１の先端部分が第１被覆部２から剥離しにくい。   Thereby, since the boundary between the conductor 1 and the first covering portion 2 is (intermittently) covered with the folded conductor 1, the flat cable of this embodiment is connected to the connector. The leading edge is less likely to contact the boundary between the conductor 1 and the first covering portion 2, and the leading end portion of the conductor 1 is difficult to peel off from the first covering portion 2 when connected to the connector. In addition, since the tip portion of the conductor 1 is disposed between the first covering portion 2 and the reinforcing portion 4, the tip portion of the conductor 1 is difficult to peel off from the first covering portion 2.

また、導体１の先端部分が第１被覆部２から剥離しにくいため、コネクターの端子間の短絡、導通不良などが発生しにくい。   In addition, since the tip portion of the conductor 1 is difficult to peel off from the first covering portion 2, a short circuit between the terminals of the connector, poor conduction, and the like are unlikely to occur.

さらに、導体１の先端部分が第１被覆部２から剥離しにくいため、フラットケーブルの挿抜可能回数を多くすることができる。   Furthermore, since the tip portion of the conductor 1 is difficult to peel off from the first covering portion 2, the number of times that the flat cable can be inserted and removed can be increased.

さらに、導体１、被覆部２，３および補強部４とは別の部材を使用しないため、比較的安価に実施できる。   Furthermore, since a member different from the conductor 1, the covering portions 2 and 3, and the reinforcing portion 4 is not used, it can be implemented at a relatively low cost.

なお、上述の実施の形態は、本発明の好適な例であるが、本発明は、これらに限定されるものではなく、本発明の要旨を逸脱しない範囲において、種々の変形、変更が可能である。   The above-described embodiments are preferred examples of the present invention, but the present invention is not limited to these, and various modifications and changes can be made without departing from the scope of the present invention. is there.

例えば、上記実施の形態では、導体１が平型導線であるが、他の形状でもよい。   For example, in the above embodiment, the conductor 1 is a flat conductive wire, but may have other shapes.

また、上記実施の形態では、導体１の芯数が７であるが、他の芯数（ただし複数）でもよい。   Moreover, in the said embodiment, although the number of cores of the conductor 1 is 7, other core numbers (however, multiple) may be sufficient.

また、上記実施の形態において、被覆部２の先端に、導体１の断面形状と略同一の凹部を形成し、その凹部に導体１が配置されるように導体１を折り返すようにしてもよい。   Moreover, in the said embodiment, the recessed part substantially the same as the cross-sectional shape of the conductor 1 may be formed in the front-end | tip of the coating | coated part 2, and the conductor 1 may be folded back so that the conductor 1 may be arrange | positioned in the recessed part.

本発明は、例えば、フレキシブルフラットケーブルに適用可能である。   The present invention is applicable to, for example, a flexible flat cable.

１ 導体
２ 第１被覆部
３ 第２被覆部
４ 補強部
DESCRIPTION OF SYMBOLS 1 Conductor 2 1st coating | coated part 3 2nd coating | coated part 4 Reinforcement part

Claims (3)

平面状に並行して配列された複数の導体と、
前記導体を挟む第１被覆部および第２被覆部と、
前記第１被覆部上に形成される補強部とを備え、
前記導体を露出させるために前記第２被覆部の先端部分が前記第１被覆部の先端部分より短く形成されており、
前記導体の先端部が折り返され、前記第１被覆部と前記補強部との間に配置されていること、
を特徴とするフラットケーブル。 A plurality of conductors arranged in parallel in a plane, and
A first covering portion and a second covering portion sandwiching the conductor;
A reinforcing part formed on the first covering part,
In order to expose the conductor, the tip portion of the second covering portion is formed shorter than the tip portion of the first covering portion,
The tip of the conductor is folded and disposed between the first covering portion and the reinforcing portion;
A flat cable characterized by 前記第１被覆部と前記補強部との間に配置される前記導体の先端部は、前記第１被覆部とは接着されていないことを特徴とする請求項１記載のフラットケーブル。   The flat cable according to claim 1, wherein a tip end portion of the conductor disposed between the first covering portion and the reinforcing portion is not bonded to the first covering portion. 当該フラットケーブルは、フレキシブルフラットケーブルであり、
前記導体は、断面が矩形である平型導線であること、
を特徴とする請求項１または請求項２記載のフラットケーブル。 The flat cable is a flexible flat cable,
The conductor is a flat conductor having a rectangular cross section;
The flat cable according to claim 1, wherein:
JP2014174642A 2014-08-28 2014-08-28 Flat cable Expired - Fee Related JP6180388B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7194684B2 (en) 2017-10-11 2022-12-22 日本軽金属株式会社 Shielding adhesive with neutron shielding performance

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10199341A (en) * 1997-01-17 1998-07-31 Funai Electric Co Ltd Flexible cable
JP2001319714A (en) * 2000-05-09 2001-11-16 Auto Network Gijutsu Kenkyusho:Kk Terminal treatment method of flat type electric wire
JP2002237343A (en) * 2001-02-09 2002-08-23 Hitachi Cable Ltd Flat cable and its manufacturing method
JP4251940B2 (en) * 2003-08-08 2009-04-08 住友電気工業株式会社 Flat cable
JP2005251679A (en) * 2004-03-08 2005-09-15 Orion Denki Kk Flat cable, semifinished disk device, and manufacturing method of disk device
JP3675471B1 (en) * 2004-07-16 2005-07-27 パイオニア株式会社 Flexible flat cable and manufacturing method thereof
JP2007220631A (en) * 2006-02-20 2007-08-30 Fujikura Ltd Card edge type connector
JP5194084B2 (en) * 2010-10-05 2013-05-08 星和電機株式会社 Earth strap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7194684B2 (en) 2017-10-11 2022-12-22 日本軽金属株式会社 Shielding adhesive with neutron shielding performance

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