JP2014038724A - Terminal - Google Patents

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JP2014038724A
JP2014038724A JP2012179209A JP2012179209A JP2014038724A JP 2014038724 A JP2014038724 A JP 2014038724A JP 2012179209 A JP2012179209 A JP 2012179209A JP 2012179209 A JP2012179209 A JP 2012179209A JP 2014038724 A JP2014038724 A JP 2014038724A
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terminal
box
spring
root
width
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JP6188293B2 (en
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Junya Shinohara
準弥 篠原
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Yazaki Corp
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Yazaki Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a terminal which can secure enough contact load between a male terminal and a female terminal even with small-sized terminals.SOLUTION: A terminal comprises: a crimping part for crimping a conductor; a box part for housing a mating terminal; and a joint part for connecting the crimping part and the box part. The box part comprises: a terminal spring part connecting with the mating terminal and a side wall formed so as to surround the terminal spring part. In the terminal spring part, a root part formed by bending a tabular terminal and a contact point connecting with the mating terminal are formed, and the root part is formed to be exposed outward from the box part.

Description

本発明は、電線端末に接続され、相手端子と弾性接触する端子に関するものである。   The present invention relates to a terminal that is connected to a wire terminal and elastically contacts with a mating terminal.

従来、電子機器等を電気的に接続するために、端子が用いられている。この端子は、雄端子と雌端子とが接続することによって電気的に接続するため、雄端子と雌端子との接触信頼性を確保することが要求されている。   Conventionally, terminals are used to electrically connect electronic devices and the like. Since this terminal is electrically connected by connecting the male terminal and the female terminal, it is required to ensure contact reliability between the male terminal and the female terminal.

一般的には端子として使用されるバネ部のばね定数等を高めて、雄端子と雌端子との接触荷重を高めることが知られている。   Generally, it is known to increase the contact load between a male terminal and a female terminal by increasing the spring constant of a spring portion used as a terminal.

また、特許文献１に示すように、雄雌端子同士の接触信頼性を確保するために雌端子に、雄端子と接触する接点を複数箇所設けて雄端子をバランス良く狭持して雄雌端子同士の接触を確保している。   Moreover, as shown in Patent Document 1, in order to ensure contact reliability between male and female terminals, the female terminal is provided with a plurality of contacts that contact the male terminal, and the male terminal is held in a balanced manner. Ensures mutual contact.

さらに、特許文献２に示すように、雄端子と雌端子の接続部分に突起部を設けて、端子が過度に撓み過ぎるのを防止し、雄端子と雌端子との接触信頼性を確保することが知られている。   Furthermore, as shown in Patent Document 2, a protrusion is provided at the connection portion between the male terminal and the female terminal to prevent the terminal from being excessively bent and to ensure contact reliability between the male terminal and the female terminal. It has been known.

特開２００２−６３９６１号公報JP 2002-63961 A 特開２００１−３５７９２１号公報JP 2001-357721 A

しかしながら、端子は小型化が求められており、小型化のためにばねの厚さ・幅等を減少させると強度、特にバネ性が弱くなるので雄端子と雌端子との十分な接触荷重を確保することが難しかった。   However, there is a demand for miniaturization of the terminals, and reducing the thickness and width of the springs to reduce the strength will reduce the strength, especially springiness, so that sufficient contact load between the male and female terminals is ensured. It was difficult to do.

そこで、本発明は、端子を小型化しても、雄端子と雌端子との十分な接触荷重を確保することのできる端子を提供することを目的とする。   Therefore, an object of the present invention is to provide a terminal that can ensure a sufficient contact load between a male terminal and a female terminal even if the terminal is downsized.

上記の課題を解決するために、請求項１に係る発明では、導体を圧着する圧着部２と、相手側の端子を収容する箱部４と、前記圧着部２と前記箱部４とを連結するつなぎ部３と、から構成される端子１であって、前記箱部４は、相手側の端子と接続する端子ばね部１２と、前記端子ばね部１２を囲うように形成される側壁１０と、から構成され、前記端子ばね部１２には、板状の端子を折り曲げられて形成される根元部２２と、相手側の端子と接続する接点２４と、が形成され、前記根元部２２は、前記箱部４から外方に露出して形成されていることを特徴とする。   In order to solve the above problems, in the invention according to claim 1, the crimping portion 2 for crimping the conductor, the box portion 4 for accommodating the mating terminal, and the crimping portion 2 and the box portion 4 are connected. The connecting portion 3 is a terminal 1, and the box portion 4 includes a terminal spring portion 12 connected to a counterpart terminal, and a side wall 10 formed so as to surround the terminal spring portion 12. The terminal spring portion 12 is formed with a root portion 22 formed by bending a plate-like terminal, and a contact point 24 connected to a counterpart terminal, and the root portion 22 It is formed to be exposed outward from the box portion 4.

請求項２に係る発明は、請求項１記載の端子１であって、前記箱部４から露出する前記根元部２２の幅Ｎは、前記箱部４の幅Ｈ以下であることを特徴とする。   The invention according to claim 2 is the terminal 1 according to claim 1, wherein a width N of the root portion 22 exposed from the box portion 4 is equal to or less than a width H of the box portion 4. .

請求項３に係る発明は、請求項１または請求項２記載の端子１であって、前記側壁１０に切欠部１４を形成したことを特徴とする。   The invention according to claim 3 is the terminal 1 according to claim 1 or 2, wherein a cutout portion 14 is formed in the side wall 10.

請求項４に係る発明は、請求項１〜３のいずれか一項に記載の端子１であって、前記根元部２２には、テーパ部２６が形成されていることを特徴とする。   The invention according to claim 4 is the terminal 1 according to any one of claims 1 to 3, wherein a taper portion 26 is formed in the root portion 22.

請求項１の発明によれば、端子ばね部１２の根元部２２が箱部４から露出して形成されているので、箱部４から露出する根元部２２の幅Ｎを広くすることができるため、ばね定数を大きくすることができ、雄端子と雌端子の接触荷重を十分に確保することができる。また、根元部２２が箱部４から露出して形成されているので、端子ばね部１２のばね幅Ｂを小さくしても根元部２２の幅Ｎを確保することができるので、端子１をより小型化することができる。   According to the first aspect of the present invention, since the root portion 22 of the terminal spring portion 12 is exposed from the box portion 4, the width N of the root portion 22 exposed from the box portion 4 can be increased. The spring constant can be increased, and the contact load between the male terminal and the female terminal can be sufficiently ensured. Further, since the root portion 22 is formed so as to be exposed from the box portion 4, the width N of the root portion 22 can be secured even if the spring width B of the terminal spring portion 12 is reduced. It can be downsized.

請求項２の発明によれば、請求項１と同様の効果を得ることができる。   According to the invention of claim 2, the same effect as that of claim 1 can be obtained.

請求項３の発明によれば、側壁１０に切欠部１４を設けたことにより、端子ばね部１２の幅を有効に利用することができ、根元部２２への応力の集中を防ぐことができる。   According to the invention of claim 3, by providing the notch portion 14 in the side wall 10, the width of the terminal spring portion 12 can be used effectively and stress concentration on the root portion 22 can be prevented.

請求項４の発明によれば、根元部２２の幅Ｎが先端部２０のばね幅Ｂまで急激に狭くなると端子ばね部１２の接点が他側の端子に押された場合、根元部２２に応力が集中し端子ばね部１２の破損の原因となっていたが、根元部２２にテーパ部２６が形成されることにより、根元部２２のばね幅を先端部２０側へ徐々に減らすことができる。そのため、端子ばね部１２の根元部２２の幅を大きく取ることができるので、端子ばね部１２を曲げて根元部２２を形成する際、端子ばね部１２の左右への振れやねじれを防ぐことができる。   According to the fourth aspect of the present invention, when the width N of the root portion 22 is abruptly reduced to the spring width B of the tip portion 20, stress is applied to the root portion 22 when the contact of the terminal spring portion 12 is pushed by the other terminal. However, when the tapered portion 26 is formed at the root portion 22, the spring width of the root portion 22 can be gradually reduced toward the distal end portion 20 side. Therefore, since the width of the base portion 22 of the terminal spring portion 12 can be increased, when the base portion 22 is formed by bending the terminal spring portion 12, it is possible to prevent the terminal spring portion 12 from swinging to the left and right or twisting. it can.

端子の全体斜視図。The whole perspective view of a terminal. 端子の一部断面の全体斜視図。The whole perspective view of the partial cross section of a terminal. 端子の一部断面の上面図。The top view of the partial cross section of a terminal. 側壁と端子ばね部の一部断面の拡大斜視図。The expansion perspective view of the partial cross section of a side wall and a terminal spring part. 側壁と端子ばね部の一部断面の上面図。The top view of the partial cross section of a side wall and a terminal spring part.

以下、本発明の実施の形態について、図１〜５を用いて詳細に説明する。   Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS.

図１〜５に示すように、本発明の端子１は、導体を圧着する圧着部２と、端子を収容する箱部４と、圧着部２と箱部４とを連結するつなぎ部３と、から構成されている。   As shown in FIGS. 1 to 5, the terminal 1 of the present invention includes a crimping part 2 that crimps a conductor, a box part 4 that accommodates the terminal, a joining part 3 that couples the crimping part 2 and the box part 4, and It is composed of

圧着部２は、図示しない電線の被覆材を固定する圧着片６と、図示しない電線の導体を圧着して固定する導体接続部８と、から構成されている。   The crimping portion 2 includes a crimping piece 6 that fixes a coating material for an electric wire (not shown) and a conductor connection portion 8 that crimps and fixes a conductor of an electric wire (not shown).

圧着片６及び導体接続部８は、図１に示すように円弧状に形成されており、内周に図示しない電線を圧着して固定する。   The crimping piece 6 and the conductor connection portion 8 are formed in an arc shape as shown in FIG.

圧着部２に連設して形成されるつなぎ部３は、一端側を圧着部２の導体接続部８と連設して形成され、他端側を後述する箱部４の側壁１０とを連設して形成されている。このつなぎ部３も圧着部２と同様に円弧状に形成されている。   The connecting part 3 formed continuously with the crimping part 2 is formed with one end connected to the conductor connecting part 8 of the crimping part 2 and the other end connected to the side wall 10 of the box part 4 described later. It is formed. The connecting portion 3 is also formed in an arc shape like the crimping portion 2.

つなぎ部３の他端側に連設して形成され端子を収容する箱部４は、折り曲げられて形成される端子ばね部１２と、端子ばね部１２を囲うように立設する側壁１０と、側壁１０から連設されて形成される天井壁１６と、から構成されている。また、後述する端子ばね部１２が箱部４の底壁を兼ねている。   A box portion 4 formed to be connected to the other end side of the connecting portion 3 and accommodates a terminal includes a terminal spring portion 12 formed by being bent, a side wall 10 erected so as to surround the terminal spring portion 12, And a ceiling wall 16 formed continuously from the side wall 10. Further, a terminal spring portion 12 described later also serves as the bottom wall of the box portion 4.

図２に示すように、板状のばね材が折り曲げられて形成されるに示す端子ばね部１２は、自由端の先端部２０と、折り曲げられて形成される根元部２２と、から構成されている。   As shown in FIG. 2, the terminal spring portion 12 shown in FIG. 2 is formed by bending a plate-like spring material, and is composed of a free end tip portion 20 and a root portion 22 formed by bending. Yes.

端子ばね部１２の先端部２０には、図示しない相手側の端子と接触する接点２４が形成されている。この接点２４が相手側の端子と接触することにより、端子同士が電気的に接続される。なお、図３に示すように、端子ばね部１２は後述する箱部４内に収容されるため、先端部２０が形成されるばねの幅Ｂは、箱部４内に収まる寸法にて形成されている。   A contact point 24 is formed at the distal end portion 20 of the terminal spring portion 12 so as to come into contact with an unillustrated counterpart terminal. When the contact 24 comes into contact with the counterpart terminal, the terminals are electrically connected. As shown in FIG. 3, since the terminal spring portion 12 is accommodated in a box portion 4 to be described later, the width B of the spring in which the tip portion 20 is formed is formed to a size that fits in the box portion 4. ing.

また、端子ばね部１２が折り曲げられて形成される根元部２２は、後述する箱部４の開口端１３から露出して形成されるとともに、開口端１３に向けて幅が減少するように傾斜するテーパ部２６が形成されている。なお、図３に示すように、根元部２２の幅Ｎは、箱部４の開口端１３から露出して形成されているため、ばね幅を大きくすることができる。すなわち、根元部２２の幅Ｎを、先端部２０のばねの幅Ｂよりも大きく、箱部４の幅Ｈよりも小さく設定する。   Further, the root portion 22 formed by bending the terminal spring portion 12 is formed so as to be exposed from an opening end 13 of the box portion 4 described later, and is inclined so that the width decreases toward the opening end 13. A tapered portion 26 is formed. As shown in FIG. 3, the width N of the root portion 22 is formed so as to be exposed from the opening end 13 of the box portion 4, so that the spring width can be increased. That is, the width N of the root portion 22 is set larger than the width B of the spring of the tip portion 20 and smaller than the width H of the box portion 4.

端子ばね部１２を囲うように立設して形成される側壁１０は、端子ばね部１２のテーパ部２６に沿って側壁１０が切り欠かれている切欠部１４と、天井壁１６の被係止部１５に係止する係止部１８と、が形成されている。図４，５に示すように、切欠部１４は、端子ばね部１２の根元部２２に形成されるテーパ部２６の傾斜に沿って切り欠かれている。   The side wall 10 formed so as to surround the terminal spring portion 12 includes a cutout portion 14 in which the side wall 10 is cut out along the tapered portion 26 of the terminal spring portion 12, and a locked state of the ceiling wall 16. A locking portion 18 that locks to the portion 15 is formed. As shown in FIGS. 4 and 5, the notch portion 14 is notched along the inclination of the tapered portion 26 formed in the root portion 22 of the terminal spring portion 12.

側壁１０から連設されて形成される天井壁１６は、箱部４から露出する根元部２２を覆うように形成されて、側壁１０の係止部１８に係止される被係止部１５が形成されている。係止部１８が被係止部１５に係止することによって箱部４が形成され、この箱部４の端部には開口端１３が形成される。また、この箱部４の内部には、上記したように端子ばね部１２が収容されて、開口端１３から露出するように端子ばね部１２の根元部２２が配置されて折り曲げられている。   The ceiling wall 16 formed continuously from the side wall 10 is formed so as to cover the root portion 22 exposed from the box portion 4, and the locked portion 15 locked to the locking portion 18 of the side wall 10 is provided. Is formed. The box portion 4 is formed by the locking portion 18 being locked to the locked portion 15, and an opening end 13 is formed at the end of the box portion 4. Further, the terminal spring portion 12 is accommodated inside the box portion 4 as described above, and the root portion 22 of the terminal spring portion 12 is disposed and bent so as to be exposed from the opening end 13.

上記のように、端子ばね部１２の根元部２２が箱部４から露出して形成されているので、箱部４から露出する根元部２２の幅Ｎを広くすることができるため、ばね定数を大きくすることができ、雄端子と雌端子の接触荷重を十分に確保することができる。また、根元部２２が箱部４から露出して形成されているので、端子ばね部１２のばね幅Ｂを小さくしても根元部２２の幅Ｎを確保することができるので、端子１をより小型化することができる。   As described above, since the root portion 22 of the terminal spring portion 12 is formed to be exposed from the box portion 4, the width N of the root portion 22 exposed from the box portion 4 can be widened. The contact load between the male terminal and the female terminal can be sufficiently ensured. Further, since the root portion 22 is formed so as to be exposed from the box portion 4, the width N of the root portion 22 can be secured even if the spring width B of the terminal spring portion 12 is reduced. It can be downsized.

また、側壁１０に切欠部１４を設けたことにより、端子ばね部１２の幅を有効に利用することができ、根元部２２への応力の集中を防ぐことができる。   Moreover, by providing the notch part 14 in the side wall 10, the width | variety of the terminal spring part 12 can be utilized effectively, and the concentration of the stress to the root part 22 can be prevented.

さらに、根元部２２の幅Ｎが先端部２０の幅Ｂまで急激に狭くなると端子ばね部１２の接点が他側の端子に押された場合、根元部２２に応力が集中し端子ばね部１２の破損の原因となっていたが、根元部２２にテーパ部２６が形成されることにより、根元部２２のばね幅を先端部２０側へ徐々に減らすことができる。そのため、端子ばね部１２の根元部２２の幅を大きく取ることができるので、端子ばね部１２を曲げて根元部２２を形成する際、端子ばね部１２の左右への振れやねじれを防ぐことができる。   Further, when the width N of the root portion 22 is abruptly reduced to the width B of the tip end portion 20, when the contact of the terminal spring portion 12 is pushed by the other terminal, stress concentrates on the root portion 22 and the terminal spring portion 12 Although it was a cause of breakage, the spring width of the root portion 22 can be gradually reduced toward the distal end portion 20 by forming the tapered portion 26 at the root portion 22. Therefore, since the width of the base portion 22 of the terminal spring portion 12 can be increased, when the base portion 22 is formed by bending the terminal spring portion 12, it is possible to prevent the terminal spring portion 12 from swinging to the left and right or twisting. it can.

なお、本実施例のテーパ部２６は、図５に示すように直線状に形成されているが、根元部２２への応力の集中を防ぐ形状であればよい。例えば、テーパ部２６を曲線形状に形成してもよい。   In addition, although the taper part 26 of a present Example is formed in linear form as shown in FIG. 5, it should just be a shape which prevents concentration of the stress to the root part 22. FIG. For example, the tapered portion 26 may be formed in a curved shape.

本発明は、端子に利用することができる。   The present invention can be used for a terminal.

１ 端子
２ 圧着部
３ つなぎ部
４ 箱部
１０ 側壁
１２ 端子ばね部
２２ 根元部 DESCRIPTION OF SYMBOLS 1 Terminal 2 Crimp part 3 Connection part 4 Box part 10 Side wall 12 Terminal spring part 22 Root part

Claims (4)

導体を圧着する圧着部と、相手側の端子を収容する箱部と、前記圧着部と前記箱部とを連結するつなぎ部と、から構成される端子であって、
前記箱部は、相手側の端子と接続する端子ばね部と、前記端子ばね部を囲うように形成される側壁と、から構成され、
前記端子ばね部には、板状の端子を折り曲げられて形成される根元部と、相手側の端子と接続する接点と、が形成され、
前記根元部は、前記箱部から外方に露出して形成されていることを特徴とする端子。 A crimping part for crimping a conductor, a box part for accommodating a mating terminal, and a connecting part for connecting the crimping part and the box part;
The box portion is composed of a terminal spring portion connected to a counterpart terminal, and a side wall formed so as to surround the terminal spring portion,
The terminal spring portion is formed with a root portion formed by bending a plate-like terminal, and a contact point connected to the counterpart terminal,
The terminal is characterized in that the root portion is formed to be exposed outward from the box portion. 請求項１記載の端子であって、
前記箱部から露出する前記根元部の幅は、前記箱部の幅以下であることを特徴とする端子。 The terminal according to claim 1,
The terminal having a width exposed from the box portion is equal to or less than a width of the box portion. 請求項１または請求項２記載の端子であって、
前記側壁に切欠部を形成したことを特徴とする端子。 The terminal according to claim 1 or 2, wherein
A terminal having a notch formed in the side wall. 請求項１〜３のいずれか一項に記載の端子であって、
前記根元部には、テーパ部が形成されていることを特徴とする端子。 The terminal according to any one of claims 1 to 3,
A terminal characterized in that a taper portion is formed at the base portion.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0313671U (en) * 1989-06-23 1991-02-12
JP2009224137A (en) * 2008-03-14 2009-10-01 Sumitomo Wiring Syst Ltd Terminal fitting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0313671U (en) * 1989-06-23 1991-02-12
JP2009224137A (en) * 2008-03-14 2009-10-01 Sumitomo Wiring Syst Ltd Terminal fitting

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