WO2012029483A1 - コネクタ - Google Patents
コネクタ Download PDFInfo
- Publication number
- WO2012029483A1 WO2012029483A1 PCT/JP2011/067506 JP2011067506W WO2012029483A1 WO 2012029483 A1 WO2012029483 A1 WO 2012029483A1 JP 2011067506 W JP2011067506 W JP 2011067506W WO 2012029483 A1 WO2012029483 A1 WO 2012029483A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- beak
- terminal fitting
- connector
- lance
- Prior art date
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Classifications
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
- H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
- H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
Definitions
- the present invention relates to a connector in which a cantilevered flexible locking piece is provided in a terminal receiving chamber, and a terminal fitting inserted into the terminal receiving chamber is locked to a free end thereof.
- the rigidity of the flexible locking piece is reduced due to downsizing, so there is a concern that the reliability of the function of holding the terminal fitting is lowered. Is done.
- Patent Document 1 there is a connector disclosed in Patent Document 1 in order to solve such a problem.
- the front end side of a flexible locking piece (also referred to as “lance”) 501 is a narrow equal width portion 503, and the remaining portion is a proximal end.
- the taper portion 505 is gradually widened toward the end.
- a reinforcing bead 507 is formed at the center in the width direction on the lower surface of the lance 501, that is, the surface facing the bending space.
- the reinforcing bead 507 has a width substantially equal to the equal width portion 503 of the lance 501, and forms a terminal accommodating chamber from the lance 501, starting from a position slightly behind the starting position of the tapered portion 505 of the lance 501. It is formed to extend rearward on the outer surface of the lower surface wall 511 of the cavity 509.
- the base end side that becomes the bending fulcrum of the lance 501 is wide, and the reinforcement bead 507 can also be widened, so that high rigidity can be obtained, and the reliability of the function of retaining the terminal by obtaining a large resilience is improved. It is done. Further, the width of the reinforcing bead 507 can be changed over a wide range, and the rigidity of the lance 501 can be adjusted over a wide range.
- a flexible locking piece has a problem in that its terminal holding force is lowered while the connector is being miniaturized.
- a reduction in the lance size means a decrease in the holding force as it is, so that both miniaturization and maintenance of the holding force are problems.
- the conventional connector described above is provided with a reinforcing bead 507 to improve the holding force against the decrease in the lance holding force due to the downsizing, but the shear failure of the terminal locking portion (beak) of the lance due to the downsizing is suppressed. Can not. It is known that the shear fracture in this case propagates obliquely toward the upper surface of the beak with a predetermined angle from the contact on the terminal contact tip surface.
- the present invention has been made in view of the above situation, and an object of the present invention is to provide a connector that can efficiently increase the shear strength and increase the holding force against a decrease in the lance holding force due to downsizing. is there.
- a flexible locking piece for locking the terminal fitting inserted into the terminal receiving chamber to a free end, the base end of which is supported in a cantilevered manner in the terminal receiving chamber for receiving the terminal fitting, is elastically deformable.
- the flexible locking piece has a beak shape formed at the free end for locking the terminal fitting so that a shear area by a shearing force of the terminal fitting is maximized.
- a connector having an inclined surface in which the height is gradually increased from the free end toward the base end.
- the beak to be locked in the terminal locking hole has an upper surface formed by an inclined surface that gradually increases toward the base end.
- the beak increases the thickness of the top and increases the strength of shear fracture.
- the height of the terminal contact tip surface does not increase, it does not easily interfere with the mating male terminal tab.
- the beak cost for the terminal locking hole does not become excessive, the release performance does not deteriorate. Further, no unnecessary increase in material occurs when the height of the terminal contact tip surface is increased. Therefore, it is possible to efficiently increase the shear strength and increase the holding force against the decrease in the lance holding force due to the downsizing.
- the inclined surface that is the upper surface of the beak is formed at an inclination angle along the trajectory of the shear fracture in the beak, so when the shear fracture occurs, the propagation direction of the fracture is , Substantially coincides with the longest direction of the beak shape. That is, the shear fracture strength can be improved by increasing the necessary minimum beak volume, and an unnecessary increase in material does not occur.
- FIG. 1 is a cross-sectional view of a main part of a connector according to an embodiment of the present invention.
- FIG. 2 is an external perspective view of the connector shown in FIG.
- FIG. 3 is a front view of FIG. 4 is a view taken in the direction of arrows AA in FIG.
- FIG. 5 is a cross-sectional view of the terminal accommodating chamber in which the terminal fitting is inserted.
- FIG. 6 is a cross-sectional view of the vicinity of the beak showing the locus of shear fracture.
- FIG. 7A is a plan view of a conventional connector
- FIG. 7B is an enlarged view of a main part of a portion surrounded by a round frame.
- a plurality of terminal receiving openings 15 for receiving male terminals of a mating connector are opened on one end face in the longitudinal direction of a connector housing 13 formed in a rectangular parallelepiped.
- the terminal receiving port 15 communicates with each of the plurality of terminal accommodating chambers 17 defined in the connector housing 13.
- the terminal receiving port 15 of the connector 11 is referred to as the front, and the opposite side is referred to as the rear.
- FIG. 3 is a front view of FIG. 2
- FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3, and FIG.
- the terminal accommodating chamber 17 is partitioned from the lower terminal accommodating chamber 17 by a bottom wall 21.
- a female terminal fitting 19 is inserted into the terminal accommodating chamber 17 from a terminal mounting opening 23 opened at the rear portion of the connector housing 13.
- the female terminal fitting 19 is an example, and the terminal fitting 19 may be male.
- a flexible locking piece 25 projects into the space in which the terminal fitting 19 is mounted.
- the flexible locking piece 25 is formed integrally with the connector housing 13 from a synthetic resin material.
- the flexible locking piece 25 whose proximal end is connected to the bottom wall 21 has a free end 27 at the distal end.
- the flexible locking piece 25 is supported by the bottom wall 21 in a cantilevered manner and can be elastically deformed.
- a retreat space 17 a is formed between the bottom of the flexible locking piece 25 and the bottom wall 21.
- the flexible locking piece 25 has a terminal locking portion (beak) 31 formed on the upper surface in the vicinity of the free end 27.
- the rear part of the beak 31 is a slope 33 and the front part is a locking part 35.
- the inclined surface 33 hits the tip 37 (see FIG. 5) of the electrical contact portion of the terminal fitting 19 and generates a component force that pushes the flexible locking piece 25 into the retracting space 17a.
- the flexible locking piece 25 is elastically restored and returns to its original position, the locking portion 35 is locked in the locking hole 39 (see FIG. 5) of the terminal metal 19 and moved backward to the terminal metal 19. Regulate the withdrawal of.
- the shape of the beak 31 formed on the free end 27 that locks the terminal fitting 19 has the largest shearing area due to the shearing force of the terminal fitting 19 (the opening edge of the locking hole 39).
- the top surface 41 has an inclined surface 29 in which the height is gradually increased from the free end 27 toward the base end.
- the inclined surface 29 has an inclination angle along the trajectory 43 of shear fracture in the beak 31 (see FIG. 6). Since the inclined surface 29 that is the upper surface of the beak 31 is formed at an inclination angle along the locus 43 of the shear fracture, when the shear fracture occurs in the beak 31, the propagation direction of the fracture is approximately the longest direction of the beak shape. Match. In other words, the shear fracture strength can be improved by increasing the minimum required beak volume, and an unnecessary increase in material is prevented.
- FIG. 6 is a cross-sectional view of the vicinity of the beak showing the trace 43 of the shear fracture.
- the terminal fitting 19 When the terminal fitting 19 is inserted to a predetermined position, the locking hole 39 (terminal locking hole) of the terminal fitting 19 coincides with the locking portion 35, so that the flexible locking piece 25 is restored to its original state by the elastic restoring force. Return to position. Therefore, the terminal fitting 19 is in a locked state in which the locking portion 35 has entered the locking hole 39. The terminal fitting 19 with the locking portion 35 locked in the locking hole 39 is restricted from being detached from the rear portion of the connector housing 13.
- the upper surface of the beak 31 included in the flexible locking piece 25 is horizontal in the conventional lance.
- the height of the beak 31 is changed, the height of the entire lance beak is increased or decreased.
- the mating male terminal tab and the upper surface of the lance beak interfere with each other. There is a possibility that a good terminal locking situation cannot be made.
- the lance beak is not normally cut horizontally but is broken toward the upper surface of the beak 31 at an angle ⁇ from the contact 47 of the terminal contact tip surface 45. This means that simply increasing the height of the terminal contact tip surface 45 does not relate to an increase in shear strength, resulting in material loss.
- the height of the rear end of the beak is increased only with respect to the angle ⁇ required for shearing, and the shear area of the beak 31 is increased by the shearing force of the terminal fitting 19 so that the shearing of the beak 31 is more efficient. Increase in strength can be aimed at.
- the holding force can be improved by changing the minimum beak height.
- the shear strength can be increased without increasing the height of the terminal contact tip surface 45. And since it is possible to avoid the interference problem of the mating male terminal tab and to minimize the increase in material, it is good for the environment. In addition, more efficient design is possible for downsizing and weight reduction. Furthermore, since it is not necessary to increase the height of the terminal contact tip surface 45 when releasing the terminal, it can be released as usual or more easily.
- the beak 31 that locks the locking hole 39 of the terminal fitting 19 has an upper surface formed by the inclined surface 29 that gradually increases toward the base end.
- the thickness of only the top portion 41 of the beak 31 is increased, so that the shear area is substantially increased by the shearing force of the terminal fitting 19 and the strength of shear fracture is increased.
- the height of the terminal contact front end surface 45 does not increase, it does not easily interfere with the mating male terminal tab.
- the beak 31 is not excessively charged with respect to the locking hole 39, so that the release performance is not lowered. Further, an unnecessary increase in material does not occur when the height of the terminal contact tip surface 45 is increased.
- the connector 11 according to the present embodiment it is possible to efficiently increase the shear strength and increase the holding force against the decrease in the lance holding force due to downsizing.
- the connector of the present invention it is possible to provide a connector capable of efficiently increasing the shear strength and increasing the holding force against the decrease in the lance holding force due to the downsizing.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Component Parts Of Construction Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
(1) 端子金具を収容する端子収容室に基端が片持ち状に支持されて弾性変形可能となり、前記端子収容室に挿入される端子金具を自由端に係止する可撓係止片を備えるコネクタであって、前記可撓係止片は、前記端子金具を係止するため前記自由端に形成されたビークの形状が、前記端子金具の剪断力による剪断面積が最大となるように頂部の高さを前記自由端から前記基端に向かって徐々に高くした傾斜面とされているコネクタ。
本実施の形態に係るコネクタ11は、直方体に形成されるコネクタハウジング13の長手方向の一端面に、図示しない相手側コネクタの雄端子を受け入れる端子受入口15を複数開口させている。端子受入口15は、コネクタハウジング13の内部に画成されている複数の端子収容室17のそれぞれに連通する。本明細書では説明の都合上、コネクタ11の端子受入口15を前、その反対側を後と称する。
端子収容室17は、下段の端子収容室17との間が底壁21によって仕切られている。端子収容室17には、コネクタハウジング13の後部に開口する端子装着口23から雌型の端子金具19が挿入される。なお、雌型の端子金具19は一例であり、端子金具19は雄型であってもよい。この端子金具19が装着される空間には可撓係止片25が突出している。可撓係止片25は、合成樹脂材料によりコネクタハウジング13と一体に成形されている。基端が底壁21に接続された可撓係止片25は、先端が自由端27となる。可撓係止片25は、底壁21に基端が片持ち状に支持されて弾性変形可能となる。可撓係止片25の下方には、底壁21との間に退避空間17aが形成されている。
図6は剪断破壊の軌跡43を記したビーク近傍の断面図である。
端子金具19の装着時、端子金具19がコネクタハウジング13の後部の端子装着口23から挿入されると、可撓係止片25の斜面33に端子金具19の先端が当接する。端子金具19が更に挿入されると、斜面33が押圧された可撓係止片25は、自由端27が退避空間17aに移動する方向に撓められて弾性変形する。
本出願は、2010年8月30日出願の日本特許出願(特願2010-192424)に基づくものであり、その内容はここに参照として取り込まれる。
17 端子収容室
19 端子金具
25 可撓係止片
27 自由端
29 傾斜面
31 ビーク
41 頂部
43 軌跡
Claims (2)
- 端子金具を収容する端子収容室に基端が片持ち状に支持されて弾性変形可能となり、前記端子収容室に挿入される端子金具を自由端に係止する可撓係止片を備えるコネクタであって、
前記可撓係止片は、前記端子金具を係止するため前記自由端に形成されたビークの形状が、前記端子金具の剪断力による剪断面積が最大となるように頂部の高さを前記自由端から前記基端に向かって徐々に高くした傾斜面とされているコネクタ。 - 請求項1記載のコネクタであって、
前記傾斜面は、前記ビークにおける剪断破壊の軌跡に沿った傾斜角度とされているコネクタ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013004954-5A BR112013004954B1 (pt) | 2010-08-30 | 2011-07-29 | Conector |
DE112011102868T DE112011102868T5 (de) | 2010-08-30 | 2011-07-29 | Verbinder |
CN201180040796.8A CN103081242B (zh) | 2010-08-30 | 2011-07-29 | 连接器 |
US13/814,601 US8961226B2 (en) | 2010-08-30 | 2011-07-29 | Connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010192424A JP5646919B2 (ja) | 2010-08-30 | 2010-08-30 | コネクタ |
JP2010-192424 | 2010-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012029483A1 true WO2012029483A1 (ja) | 2012-03-08 |
Family
ID=45772591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/067506 WO2012029483A1 (ja) | 2010-08-30 | 2011-07-29 | コネクタ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8961226B2 (ja) |
JP (1) | JP5646919B2 (ja) |
CN (1) | CN103081242B (ja) |
BR (1) | BR112013004954B1 (ja) |
DE (1) | DE112011102868T5 (ja) |
WO (1) | WO2012029483A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105281092B (zh) * | 2014-06-05 | 2019-03-19 | 矢崎总业株式会社 | 端子金属件与连接器壳体的卡止构造 |
JP6371590B2 (ja) * | 2014-06-05 | 2018-08-08 | 矢崎総業株式会社 | 端子金具とコネクタハウジングとの係止構造 |
JP2016039100A (ja) * | 2014-08-11 | 2016-03-22 | 住友電装株式会社 | コネクタハウジング |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01107883U (ja) * | 1988-01-14 | 1989-07-20 | ||
JPH0392367U (ja) * | 1990-01-08 | 1991-09-19 | ||
JP2004362831A (ja) * | 2003-06-02 | 2004-12-24 | Sumitomo Wiring Syst Ltd | コネクタ |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6329864U (ja) * | 1986-08-12 | 1988-02-26 | ||
JPH01107883A (ja) * | 1987-10-21 | 1989-04-25 | Mitsubishi Heavy Ind Ltd | 太陽熱利用淡水製造装置 |
US5115281A (en) | 1989-09-05 | 1992-05-19 | Canon Kabushiki Kaisha | Image forming apparatus with plural forming units |
JPH0392367A (ja) * | 1989-09-05 | 1991-04-17 | Canon Inc | 画像形成装置 |
JP2761832B2 (ja) * | 1993-03-03 | 1998-06-04 | 矢崎総業株式会社 | 接続端子の係止構造 |
JP2803981B2 (ja) * | 1993-09-17 | 1998-09-24 | 矢崎総業株式会社 | 電気接続用端子 |
JP3150863B2 (ja) * | 1994-11-04 | 2001-03-26 | 矢崎総業株式会社 | リヤホルダ一体型コネクタ |
JP3763422B2 (ja) * | 1995-03-31 | 2006-04-05 | 矢崎総業株式会社 | コネクタ |
JPH0935799A (ja) * | 1995-07-14 | 1997-02-07 | Japan Aviation Electron Ind Ltd | コネクタ |
JP2003115336A (ja) * | 2001-10-03 | 2003-04-18 | Fujikura Ltd | フォーク形端子の係止構造およびこれを用いた電気接続箱 |
EP1548892B1 (en) | 2002-09-25 | 2012-04-04 | Mitsubishi Cable Industries, Ltd. | Electrical connector |
JP4498916B2 (ja) * | 2004-12-28 | 2010-07-07 | 矢崎総業株式会社 | コネクタ |
JP4844153B2 (ja) * | 2006-02-14 | 2011-12-28 | 住友電装株式会社 | コネクタ |
JP5140407B2 (ja) * | 2007-12-18 | 2013-02-06 | 株式会社オートネットワーク技術研究所 | ジョイントコネクタ |
JP5651937B2 (ja) | 2008-09-10 | 2015-01-14 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質およびその製造方法、ならびにこれを用いた非水系電解質二次電池 |
-
2010
- 2010-08-30 JP JP2010192424A patent/JP5646919B2/ja active Active
-
2011
- 2011-07-29 WO PCT/JP2011/067506 patent/WO2012029483A1/ja active Application Filing
- 2011-07-29 BR BR112013004954-5A patent/BR112013004954B1/pt active IP Right Grant
- 2011-07-29 US US13/814,601 patent/US8961226B2/en active Active
- 2011-07-29 DE DE112011102868T patent/DE112011102868T5/de active Pending
- 2011-07-29 CN CN201180040796.8A patent/CN103081242B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01107883U (ja) * | 1988-01-14 | 1989-07-20 | ||
JPH0392367U (ja) * | 1990-01-08 | 1991-09-19 | ||
JP2004362831A (ja) * | 2003-06-02 | 2004-12-24 | Sumitomo Wiring Syst Ltd | コネクタ |
Also Published As
Publication number | Publication date |
---|---|
DE112011102868T5 (de) | 2013-05-29 |
JP5646919B2 (ja) | 2014-12-24 |
CN103081242B (zh) | 2016-08-10 |
US20130130562A1 (en) | 2013-05-23 |
CN103081242A (zh) | 2013-05-01 |
BR112013004954A2 (pt) | 2016-08-16 |
JP2012049081A (ja) | 2012-03-08 |
US8961226B2 (en) | 2015-02-24 |
BR112013004954B1 (pt) | 2020-09-29 |
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