JP2015090832A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector in which a lightening portion can be provided easily at a part of the housing where a conductive member is embedded.SOLUTION: In a connector C where a plurality of conductive members 40 are insert molded in the housing 20, at least the embedded portions 43 of the conductive members 40 being embedded in the housing 20 have the same planar shape in all conductive members 40, and arranged so as to be aligned in the plate thickness direction. Since the embedded portion 43 of the conductive member 40 being embedded in the housing 20 is arranged simply, a lightening portion can be provided easily at a part of the housing 20 where the conductive member 40 is embedded.

Description

  The present invention relates to a connector.

  Conventionally, a connector in which a plurality of conductive members are insert-molded in a housing is known. For example, in the connector described in Patent Document 1 below, three bus bars are inserted and molded in the width direction of the housing. Both end portions of the bus bar are fastening portions that are bolted to the mating terminal fittings, and the portion between them is embedded in the housing. Of the three bus bars, a pair of bus bars arranged at both ends in the width direction has an L shape in which one fastening portion is bent at a substantially right angle with respect to the other portion. One bus bar arranged at the center has a shape in which one fastening portion is bent at a substantially right angle and a portion embedded in the housing is bent at a right angle twice.

JP 2012-195069 A

  In the connector having the above-described configuration, the portion embedded in the housing differs between the bus bar disposed at both ends and the bus bar disposed at the center, and has a complicated arrangement. For this reason, it is not easy to provide a lightening in a portion of the housing where the conductive member is embedded.

  This invention is completed based on the above situations, Comprising: It aims at providing the connector which can provide thickness reduction easily in the part into which a electrically-conductive member is embedded among housings.

The connector of the present invention is a connector in which a plurality of conductive members are insert-molded in a housing, and at least the embedded portion embedded in the housing of the conductive members forms a plate shape having the same shape in all the conductive members. And it arrange | positions so that the position of the plate | board thickness direction may mutually align.
According to such a configuration, the embedded portion embedded in the housing of the conductive member has a simple arrangement, and therefore the portion of the housing in which the conductive member is embedded can be easily cut.

Further, the connector is a device connector fixed to a case in which the device is accommodated, and the conductive member includes a device side connection portion connectable to a terminal fitting provided on the device side, and an outside of the case An external side connection portion connectable to the terminal fitting provided in the device, and the conductive member may be substantially flat including the device side connection portion and the external side connection portion. .
According to such a configuration, since the shape of the conductive member is simple as a whole, it is possible to easily provide the lightening in the portion of the housing where the conductive member is embedded.

Further, the connector is a device connector fixed to a case in which the device is accommodated, and the conductive member includes a device side connection portion connectable to a terminal fitting provided on the device side, and an outside of the case An external-side connection portion connectable to the terminal fitting provided in the above, and in all the conductive members, substantially the entire device including the device-side connection portion and the external-side connection portion are assumed to have the same shape. Also good.
According to such a configuration, since the number of parts can be reduced, the cost can be reduced.

  ADVANTAGE OF THE INVENTION According to this invention, the connector which can provide thickness reduction easily in the part into which a electrically-conductive member is embedded among housings can be provided.

The perspective view which looked at the connector in this embodiment from the front side Perspective view of the connector as seen from the back Front view of connector Rear view of connector FIG. 4 is a cross-sectional view of the connector, corresponding to the cross-section at the position AA in FIG. Top view of connector Bottom view of connector

<Embodiment>
DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment embodying the present invention will be described in detail with reference to FIGS.
The connector C in the present embodiment is a device connector that is attached to a metal case that houses a device such as a motor (not shown) and is electrically connected to a device-side terminal fitting T provided in the device.

  As shown in FIG. 5, the device-side terminal fitting T is bent into an L shape as a whole, and is fixed to a terminal portion of the electric wire W provided on the device side. The device-side terminal fitting T is connected to a later-described conductive plate (conductive member) 40 provided in the connector C by bolting.

  The connector C can be connected to a power supply side connector (not shown) connected to the power supply side. The power supply side connector is provided at the terminal portion of the electric wire arranged toward the case from a power supply device that supplies power, such as an inverter, and the power supply side terminal fitting (case of the case) provided in the power supply side connector. A terminal fitting provided outside is connected to the conductive plate 40 by bolting.

  Hereinafter, in each component, the upper side in FIG. 1 (the side to which the power supply side connector is connected) is the upper side, the lower side (the side to which the device side terminal fitting T is connected) is the lower side, and the right front side in FIG. The front and left back side will be described as the rear.

The connector C includes a metal plate 10 that is attached and fixed to the case.
As shown in FIG. 6, the metal plate 10 has a substantially rectangular flat plate shape extending along the outer surface of the case as a whole, and mounting holes 11 are provided at four corners thereof. By inserting a fixing bolt (not shown) into the mounting hole 11 and tightening it to the case, the connector C is fixedly attached to the case.

  As shown in FIG. 5, an opening 12 through which the housing 20 passes is provided in the center of the metal plate 10 in the thickness direction. The opening 12 has a substantially rectangular shape that is long in the left-right direction. In addition, the bending part 13 of the form bent below is provided in the outer periphery of the metal plate 10. As shown in FIG.

A housing 20 is integrally formed on the metal plate 10 by insert molding.
The housing 20 includes a flange portion 21 disposed along the lower surface of the metal plate 10. The flange portion 21 has a thin plate shape that is slightly smaller than the metal plate 10 and is disposed so as to cover the peripheral edge portion of the opening 12.

  As shown in FIG. 7, an annular packing 22 is attached to the peripheral portion of the flange portion 21, and the case and the flange portion 21 are connected via the packing 22 by bolting the metal plate 10 to the case. It becomes a sealed state.

The housing 20 includes a power supply side housing 20D to which the power supply side connector is connected, and a device side housing 20K to which the device side terminal fitting T is connected.
As shown in FIG. 11, the power supply side housing 20 </ b> D has a box shape that is long in the left-right direction as a whole, and protrudes upward from the opening 12 of the metal plate 10. On the upper surface of the power supply side housing 20D, a connector fitting port 23 into which the power supply side connector can be fitted is opened from above.

  Inside the power supply side housing 20D, there is provided a power supply side nut accommodating portion 24 for accommodating a nut (not shown) (see FIG. 6). Three power supply side nut accommodating portions 24 are provided side by side in the left-right direction. A nut is press-fitted into each power supply side nut housing portion 24 in such a direction that the axis is in the front-rear direction.

  A work port 25 into which a tool or the like is inserted is formed in the front surface of the power supply side housing 20D so as to insert a tool or the like in order to perform bolt fastening work between the conductive plate 40 and the power supply side terminal fitting. The working port 25 is sized so that the power supply side connection portion 41 of the conductive plate 40 is exposed to the front. The work port 25 is closed by a cover (not shown) that is attached after the bolt is fastened.

The device-side housing 20K is provided so as to protrude downward from the opening 12 of the metal plate 10, and is accommodated inside the case when the connector C is fixed to the case.
The device-side housing 20K is provided with three device-side nut housing portions 26 for housing nuts (not shown) side by side in the left-right direction (see FIG. 7). The pair of side walls 26S and the front wall 26M constituting each device-side nut housing portion 26 are provided so as to protrude downward from the flange portion 21 (see FIG. 5).

  As shown in FIG. 3, a notch 27 is formed in the front wall 26 </ b> M of the device-side nut housing 26 from the lower end to the upper side. The notch 27 extends from the lower end of the front wall 26 </ b> M to the position of the insertion hole H of the conductive plate 40, and the upper end thereof has a semicircular shape coaxial with the insertion hole H. A nut is press-fitted into each device-side nut housing portion 26 in such a direction that the axis is in the front-rear direction.

  As shown in FIG. 5, a lightening 28 is provided on the device side housing 20 </ b> K above the device side nut housing portion 26. The lightening 28 is a recess that is surrounded by an upper portion of the walls constituting the pair of side walls 26S and the front wall 26M of the device-side nut housing portion 26 and a front holding portion 33M described later.

  The device-side housing 20 </ b> K includes a rotation prevention portion 29 that prevents the device-side terminal fitting T connected to the conductive plate 40 from being rotated. The anti-rotation part 29 is a wall that stands along both side edges and the upper end edge of the device-side terminal fitting T.

  The device-side housing 20K includes an insulating wall 31 that insulates an electrical connection portion on the adjacent device side. The insulating wall 31 is provided between the adjacent device side nut accommodating portions 26. As shown in FIG. 5, the insulating wall 31 has a substantially rectangular shape as a whole, and is sized to cover the entire device-side terminal fitting T. Note that both front and rear corners at the lower end of the insulating wall 31 are inclined edge portions 32 that are inclined obliquely.

  The device-side housing 20 </ b> K includes a holding protrusion 33 that protrudes downward from the flange portion 21 and holds the conductive plate 40. The holding protrusion 33 includes a portion disposed on the front side of the conductive plate 40 (hereinafter referred to as a front holding portion 33M) and a portion disposed on the rear surface side of the conductive plate 40 (hereinafter referred to as a rear holding portion 33U). And.

  The rear holding part 33U covers the conductive plate 40 over a wider range than the front holding part 33M, and the lower end of the rear holding part 33U is positioned below the lower end of the front holding part 33M. Note that the lower end of the rear holding portion 33U constitutes a portion of the rotation preventing portion 29 that stands along the upper end edge of the device-side terminal fitting T.

A plurality (three in this embodiment) of conductive plates 40 are insert-molded in the housing 20 in a state in which they are arranged in the left-right direction.
The conductive plate 40 is formed by pressing a metal plate having good conductivity and punching it into a predetermined shape, followed by a predetermined bending process. As shown in FIG. 3, the conductive plate 40 has a plate shape that is long in the vertical direction as a whole, and one end thereof is a power supply side connection portion (external side connection portion) 41 to which the power supply side terminal fitting is connected, The other end is a device-side connection portion 42 to which the device-side terminal fitting T is connected. A portion of the conductive plate 40 between the power supply side connection portion 41 and the device side connection portion 42 is an embedded portion 43 embedded in the housing 20.

  The conductive plate 40 has a substantially flat plate shape including the device side connection portion 42, the power source side connection portion 41 and the embedded portion 43. Moreover, in all the conductive plates 40, substantially the entire shape including the device side connection portion 42, the power source side connection portion 41 and the embedded portion 43 has the same shape.

  An insertion hole H through which a bolt can be inserted is formed in the power supply side connection portion 41 and the device side connection portion 42 so as to be connected to the power supply side terminal fitting and the device side terminal fitting T by bolt tightening, respectively. The insertion hole H of the power supply side connection portion 41 and the insertion hole H of the device side connection portion 42 have the same size (see FIG. 3).

  Each conductive plate 40 has a shape in which the power supply side connection portion 41 and the device side connection portion 42 extend in the vertical direction and an intermediate portion of the embedded portion 43 extends in the oblique direction in plan view. The power supply side connection portion 41 and the device side connection portion 42 have substantially parallel axes. Further, the width dimension from the power supply side connection portion 41 to the device side connection portion 42 is substantially constant. Note that both corners at the upper end of the power supply side connection portion 41 are arcuate, and both corners at the lower end of the device side connection portion 42 are oblique.

  As shown in FIG. 5, each conductive plate 40 is embedded in the embedded portion 43 of each conductive plate 40 so as to have a plate thickness so that the device side connection portion 42 is located slightly rearward of the power supply side connection portion 41. A step 44 is formed. The power supply side connection portion 41 and the device side connection portion 42 have substantially parallel plate surfaces.

As shown in FIG. 3, the three conductive plates 40 are arranged with a predetermined interval in the left-right direction and aligned in the vertical direction.
As shown in FIG. 5, the power supply side connection portion 41 and the device side connection portion 42 protrude in the vertical direction with respect to the flange portion 21, and the power supply side connection portion 41 is disposed on the front surface of the power supply side nut housing portion 24. The device side connecting portion 42 is disposed on the rear surface of the device side nut housing portion 26. The positions of the power supply side connection portion 41 and the device side connection portion 42 are arranged in a state where the three conductive plates 40 are aligned in the front-rear direction and the vertical direction, respectively.

  As shown in FIG. 3, the insertion holes H of the power supply side connection portion 41 and the device side connection portion 42 are arranged horizontally in the left-right direction. The pitch of the insertion holes H of the power supply side connection portion 41 and the device side connection portion 42 is constant, and the pitch of the power supply side connection portion 41 and the pitch of the device side connection portion 42 are equal. The insertion hole H of the power supply side connection portion 41 and the insertion hole H of the device side connection portion 42 are arranged so as to be shifted in the left-right direction.

  The embedded portion 43 is located in the housing 20 with a predetermined interval in the left-right direction. Moreover, the burying part 43 is arrange | positioned in the state in which the position (position of a plate | board thickness direction) of the front-back direction was gathered.

  Side edges 45 of adjacent conductive plates 40, that is, portions of the side edges 45 of the conductive plates 40 that extend in the vertical direction (hereinafter referred to as straight portions 45T), portions that extend in the diagonal direction (hereinafter referred to as inclined portions 45S). Are substantially parallel to each other (see FIG. 3). The interval between the straight portions 45T of the adjacent conductive plates 40 is the same on the upper end side and the lower end side, and the interval between the inclined portions 45S is made smaller than that.

Next, the operation and effect of the present embodiment configured as described above will be described.
The connector C of this embodiment is obtained by insert-molding three conductive plates 40 into the housing 20, and the embedded portion 43 embedded in the housing 20 of the conductive plates 40 has the same shape in all the conductive plates 40. It forms a plate shape and is arranged side by side so that the positions in the plate thickness direction are aligned.

  Thereby, since the embedding part 43 embedded in the housing 20 in the conductive plate 40 has a simple arrangement, the portion of the housing 20 in which the conductive plate 40 is embedded can be easily provided with the lightening 28 and the like. . Further, for example, as compared to the case where the portion of the conductive plate embedded in the housing is bent at a right angle, the dimension in the front-rear direction of the portion of the housing 20 where the conductive plate 40 is embedded (the thickness direction of the conductive plate 40). ) Can be reduced.

  The connector C is a device connector that is fixed to a case in which the device is accommodated, and the conductive plate 40 is provided on the device side connection portion 42 that can be connected to the device side terminal fitting T and outside the case. A power supply side connection portion 41 that can be connected to a power supply side terminal fitting is provided, and the conductive plate 40 is substantially flat, including the device side connection portion 42 and the power supply side connection portion 41, in a flat plate shape.

  Accordingly, since the shape of the conductive plate 40 is simple as a whole, for example, it is easy to provide a hollow in the housing 20 as compared with a case where the device side connection portion or the power supply side connection portion is bent. .

  In addition, in all the conductive plates 40, the substantially entire configuration including the device side connection portion 42 and the power source side connection portion 41 has the same shape. Thereby, since the number of parts can be reduced as compared with the case where the conductive plates having different shapes are provided, the cost can be reduced.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, the case where the present invention is applied to the connector C for equipment fixed to the case in which the equipment is accommodated has been described. However, in the present invention, a plurality of conductive members are insert-molded in the housing. It can be applied to various connectors.
(2) In the above-described embodiment, the conductive plate 40 has a substantially flat plate shape including the device side connection portion 42 and the power supply side connection portion 41. However, the present invention is not limited to this. For example, the conductive plate is a buried portion. Only a flat plate shape may be used, and the device side connection portion or the power source side connection portion may be bent.
(3) In the above embodiment, in all the conductive plates 40, the substantially whole including the device side connection portion 42 and the power source side connection portion 41 is the same shape, but not limited to this, for example, Only the embedded portion may have the same shape, and the device side connection portion or the power source side connection portion may have a different shape.

C ... Connector T ... Equipment side terminal fittings (Terminal fittings provided on the equipment side)
20 ... Housing 40 ... Conductive plate (conductive member)
41 ... Power supply side connection part (external side connection part)
42 ... Equipment side connection part 43 ... Buried part

Claims (3)

A connector in which a plurality of conductive members are insert-molded in a housing,
Of the conductive members, at least the embedded portion embedded in the housing forms a plate having the same shape in all the conductive members, and the connectors are arranged so that the positions in the plate thickness direction are aligned with each other. The connector is a device connector fixed to a case in which the device is accommodated,
The conductive member includes a device side connection portion connectable with a terminal fitting provided on the device side, and an external side connection portion connectable with a terminal fitting provided outside the case,
2. The connector according to claim 1, wherein the conductive member is substantially flat including the device-side connection portion and the external-side connection portion. The connector is a device connector fixed to a case in which the device is accommodated,
The conductive member includes a device side connection portion connectable with a terminal fitting provided on the device side, and an external side connection portion connectable with a terminal fitting provided outside the case,
The connector according to claim 1 or 2, wherein substantially all of the conductive members including the device-side connection portion and the external-side connection portion have the same shape in all the conductive members.

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