JP5707084B2 - connector - Google Patents

Description

  The present invention relates to a connector having a male terminal electrically connected to a female terminal.

  Conventionally, a connector described in Patent Document 1 has been proposed. As shown in FIGS. 6 and 7, in the connector 101, male terminals 121 are arranged so that a shaft-like electrical connection portion 122 projects from a housing cylinder portion 111 formed in the housing 110. Further, the foreign substance removing body 151 is accommodated in the accommodating cylinder part 111 so as to block the accommodating cylinder part 111 and to be movable along the electrical connection part 122. The foreign substance removing body 151 is provided with a through-hole 152 through which the electrical connecting portion 122 can be inserted. The foreign matter removing body 151 is urged and held toward the distal end side of the housing cylinder portion 111 by a coil spring 153.

  In the above configuration, by inserting the female terminal 141 into the housing cylinder part 111, the foreign material removal body 151 is pushed toward the back side of the housing cylinder part 111 by the female terminal 141, thereby the electrical connection part 122 is removed from the foreign material. It gradually protrudes through the through hole 152 of the body 151 toward the tip end side. And when the electrical connection part 122 protrudes gradually and the bending load of the female terminal 141 is applied, the deformation | transformation of the electrical connection part 122 is prevented by supporting the electrical connection part 122 with the through-hole 152 of the foreign material removal body 151. ing.

JP 2001-230017 A

  By the way, in recent years, there is a high demand for integration and miniaturization of connectors, and accordingly, miniaturization of terminal fittings has been performed. By reducing the size of the terminal fitting, the connecting part of the male terminal that is electrically connected to the female terminal is made thin, and the mechanical strength is reduced, so that when connecting to the female terminal more than ever, There is a high risk that the connection part of the male terminal will be bent.

  In such a situation, the connector 101 described above requires the extremely small foreign substance removing body 151 and the coil spring 153 to be disposed in each of the extremely small accommodating cylinders 111, leading to an increase in the number of components and the connector. There is a problem that an increase in assembly man-hours due to deterioration of the assembly workability of 101 and an increase in inspection man-hours for confirming the operation of the foreign matter removing body 151 are caused.

  In view of the above circumstances, an object of the present invention is to provide a connector that can prevent the bending of a male terminal with a simple structure.

The invention according to claim 1 is a connector in which a terminal accommodating chamber is formed in a housing, and a shaft-shaped electrical connecting portion projects from the terminal accommodating chamber, and the inner wall of the terminal accommodating chamber extends along the electrical connecting portion. And a contact support portion that is formed to have the same width as the electrical connection portion and abuts against the electrical connection portion.

A second aspect of the invention is the connector according to the first aspect, wherein the contact support portion is formed integrally with the electrical connection portion by injection molding.

According to a third aspect of the present invention, in the connector according to the second aspect, the contact support portion is supported from the central portion of the electrical connection portion to the base portion.

According to the first aspect of the present invention, the abutment support portion abuts and supports the shaft-like electrical connection portion, thereby providing a simple structure without providing a movable portion. Bending can be prevented.

Further, according to the invention of claim 2, in addition to the effect of the invention of claim 1, the contact support portion is formed integrally with the electrical connection portion, so that electrical connection at the time of connector connection can be achieved with a simple structure. The bending of the part can be further prevented.

Further, according to the invention of claim 3, in addition to the effect of the invention of claim 2, the abutting support part is supported from the center part to the base part except for the front end part of the electrical connection part, thereby injecting. Since the electrical connection portion is exposed after molding, an electrical contact with the counterpart terminal can be ensured.

It is a perspective view of the connector which shows one Embodiment of this invention and shows the housing before a connection. 1 is a front view of a female housing according to an embodiment of the present invention. FIG. 3 is a cross-sectional view of the female housing taken along line III-III in FIG. 2, showing an embodiment of the present invention. It is a perspective view of a connector which shows one embodiment of the present invention and shows a housing after connection. FIG. 3 is a cross-sectional view of the connector after connection corresponding to a portion along line III-III in FIG. 2, showing an embodiment of the present invention. It is principal part sectional drawing which shows the state before the connection of the conventional connector. It is principal part sectional drawing which shows the state after the connection of the conventional connector.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 5 show an embodiment of the present invention, FIG. 1 is a perspective view of a connector showing a housing before connection, FIG. 2 is a front view of a female housing, and FIG. 3 is a view of FIG. 4 is a perspective view of the connector showing the housing after connection, and FIG. 5 is a cross-sectional view of the connector after connection corresponding to the portion along line III-III in FIG. It is.

  As shown in FIG. 1, the connector 1 of the present embodiment includes a female housing 10 (housing) in which a male terminal 21 is accommodated and a male housing 30 in which a female terminal 41 is accommodated. By fitting the housing 30, the male terminal 21 and the female terminal 41 are electrically connected.

  A female housing 10 as a housing is formed with a substantially rectangular parallelepiped terminal accommodating chamber 11 that opens to the front of the housing. In addition, a plurality of male terminals 21 are arranged in two stages in the terminal accommodating chamber 11.

  The male terminal 21 is formed by bending a shaft-like metal material into a crank shape so that the electrical connection portion 22 on one end side and the rear foot portion 23 on the other end side are parallel to each other.

  The rear foot portion 23 is fixed to a contact (not shown) on a substrate (not shown) through a terminal assembly portion 12 set on the back side of the female housing 10, and constitutes an electric circuit on the substrate. In the terminal assembly portion 12, rear leg portions 23 of the upper male terminals 21 a that are the upper male terminals 21 and rear foot portions 23 of the lower male terminals 21 b that are the lower male terminals 21 are alternately arranged in a row. The upper male terminals 21a and the lower male terminals 21b are alternately arranged in the terminal accommodating chamber 11 in the width direction (left and right direction in FIG. 2).

  The electrical connection portion 22 is disposed such that a front end portion 22 a penetrates the back wall 11 b of the female housing 10 from the back side toward the front side and protrudes into the terminal accommodating chamber 11.

In the terminal accommodating chamber 11, there is an upper contact support portion 13 a ( contact support portion 13 ) set to the same width as the electrical connection portion 22 from the back wall 11 b of the ceiling surface 11 a as the inner wall toward the front side. Is formed. And the center part 22b and the base 22c of the electrical connection part 22 of the upper stage side male terminal 21a are supported by this upper stage contact support part 13a . That is, the electrical connection portion 22 is disposed at the lower edge portion of the upper stage contact support portion 13a in a state in which the distal end portion 22a protrudes from the upper stage contact support portion 13a to the front side.

Also, the lower side of the terminal accommodating chamber 11 is set to have the same width as the electrical connecting portion 22 from the rear wall 11b of the bottom surface 11c as the inner wall of the terminal accommodating chamber 11 toward the front side, similarly to the upper side. A lower side contact support portion 13b ( contact support portion 13 ) is formed. The lower-stage contact support portion 13b supports the central portion 22b and the base portion 22c of the electrical connection portion 22 of the lower-stage male terminal 21b, and the electrical connection portion 22 has a distal end portion 22a at the lower-stage contact support portion. In a state of protruding from the front side from 13b , it is arranged at the upper edge portion of the lower side contact support portion 13b .

  The male housing 30 includes a housing main body 31 and is fitted to the female housing 10 so that the main body tip 31a of the housing main body 31 reaches the back wall 11b and is inserted into the terminal accommodating chamber 11 without a gap. It is formed in a rectangular parallelepiped shape.

  A slit 32 is formed in each of a portion corresponding to the upper male terminal 21 a of the main body ceiling surface 31 a of the housing main body 31 and a portion corresponding to the lower male terminal 21 b of the main body bottom surface 31 c of the housing main body 31. A female terminal 41 is disposed therein.

  The female terminal 41 includes a bifurcated electrical connection receiving portion 42, and the shaft-shaped electrical connection portion 22 inserted in the bifurcated portion of the electrical connection receiving portion 42 is held by the elastic force of the electrical connection receiving portion 42. Thus, the male terminal 21 and the female terminal 41 are electrically connected.

  In the above configuration, the female housing 10 is molded by injection molding using a mold (not shown). The male terminal 21 is arranged at an accurate position in the terminal accommodating chamber 11 by fixing and positioning the front end portion 22a and the rear foot portion 23 of the electrical connecting portion 22 in the mold. .

As described above, the abutment support portion 13 abuts and supports the shaft-like electrical connection portion 22, thereby providing a simple structure without providing a movable portion, and the electrical connection portion 22 at the time of connector connection. Bending can be prevented.

Further, since the contact support portion 13 is formed integrally with the electrical connection portion 22 by injection molding, it is possible to further prevent the electrical connection portion 22 from being bent when the connector is connected with a simple structure.

When the abutment support portion 13 is supported from the center portion to the base portion except for the front end portion of the electrical connection portion 22, the male terminal 21 is connected to the front end portion 22 a of the electrical connection portion 22 and the hind legs when injection molding is performed. Since the portion 23 can be fixed and positioned in the mold, the male terminal 21 can be arranged at an accurate position in the terminal accommodating chamber 11. As a result, when the connector is integrated and miniaturized, the position of the male terminal 21 can be realized with high dimensional accuracy, and the electrical connection portion 22 is exposed after injection molding. Secure contact points.

When the female housing 10 and the male housing 30 are fitted together, the abutting support portion 13 receives a bending load from the mating terminal together with the electrical connection portion 22, thereby reducing the bending load applied to the electrical connection portion 22. Therefore, it is possible to further prevent the electric connection portion 22 from being bent when the connector is connected with a simple structure.

In the above embodiment, the electrical connection receiving portion 42 of the female terminal 41 has a bifurcated shape, and the electrical connection portion 22 of the male terminal 21 spreads the bifurcated portion, so that the contact support portion 13 extends from the electrical connection receiving portion 42. by receiving the bending load applied to the electrical connection 22, to reduce the bending acting on the electrical connecting portion 22 load, a case has been exemplified to prevent folds, not limited to the above embodiment, the contact supporting portion 13 is electrically connected If it becomes the structure which receives the bending load from the electrical connection receiving part 42 applied to the part 22, the same effect can be obtained.

DESCRIPTION OF SYMBOLS 1 ... Connector 10 ... Female housing (housing)
11 ... Terminal accommodating room 11a ... Ceiling surface (inner wall)
11c ... Bottom (inner wall)
13 ... Abutting support portion 22 ... Electric connection portion

Claims (3)

In a connector in which a terminal accommodating chamber is formed in the housing, and a shaft-shaped electrical connection portion is provided to protrude in the terminal accommodating chamber,
A connector comprising: an inner wall of the terminal accommodating chamber provided with an abutting support portion that is formed to have the same width as the electrical connection portion along the electrical connection portion and abuts on the electrical connection portion. The connector according to claim 1,
The connector, wherein the contact support portion is formed integrally with the electrical connection portion by injection molding. The connector according to claim 2,
The connector is characterized in that the abutment support portion is supported from the central portion of the electrical connection portion to the base portion.

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