JP2021099910A - Electric connection box and wiring harness - Google Patents

Abstract

To provide an electric connection box and a wiring harness which can prevent upsizing.SOLUTION: An electric connection box 1 applied to a wiring harness WH comprises: a board 2 constituting an electronic circuit; and a board connector 3, mounted on the board 2, and including a plurality of conductive terminals 31 electrically connected to the board 2 and a connector housing 32 for holding the plurality of terminals 31 along a first direction X intersecting the board 2. The board 2 is sized so as to be within a range of the outline of the connector housing 32 when viewed along the first direction X. The connector housing 32 has a component mounting recess 32g which is formed into a recessed shape along the first direction X on a surface facing the board 2, and in which an electronic component 22 mounted on the board 2 is located.SELECTED DRAWING: Figure 5

Description

The present invention relates to an electrical junction box and a wire harness.

As a technique relating to a conventional electric connector box applied to a vehicle or the like, for example, in Patent Document 1, a plurality of terminals inserted through positioning holes of an alignment plate are inserted into a circuit board so as to be inserted into a through hole of the circuit board. A board-mounted connector to be mounted is disclosed.

JP-A-2017-54801

By the way, the electric junction box to which the above-mentioned connector is applied has room for further improvement in terms of suppressing the increase in size, for example.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electric junction box and a wire harness that can suppress an increase in size.

In order to achieve the above object, the electric connector box according to the present invention includes a substrate constituting an electronic circuit, a plurality of terminals having conductivity and being electrically connected to the substrate, and the plurality of terminals. The board includes a connector housing that is held along a first direction intersecting the board, includes a board connector mounted on the board, and the board is viewed along the first direction and is an outline of the connector housing. The connector housing is formed in a concave shape on the surface facing the substrate along the first direction, and the component mounting recess in which the electronic component mounted on the substrate is located. It is characterized by having.

Further, in the electrical connection box, the connector housing includes a connector fitting portion in which a mating connector electrically connected to the terminal can be fitted along the first direction, and a plurality of connectors in the connector fitting portion. It has a terminal holding portion that exposes and holds the terminal of No. 1 and a connector locking portion that locks the mating connector fitted to the connector fitting portion, and the component mounting recess has the same as the first direction. It may be adjacent to the terminal holding portion along the intersecting second direction and may be located on the substrate side of the connector locking portion along the first direction.

Further, in the electrical junction box, the connector housing extends from the connector fitting portion to the substrate side along the first direction, and the component is mounted along the second direction intersecting the first direction. It has a cover mating wall portion adjacent to the recess, and the cover mating wall portion may be formed with a notch portion facing the component mounting recess.

Further, the electrical connection box may include a connector cover that covers the cover mating wall portion together with the substrate.

In order to achieve the above object, the wire harness according to the present invention includes a conductive wiring material and an electric connector box electrically connected to the wiring material, and the electric connector box is electronic. It includes a substrate that constitutes a circuit, a plurality of conductive terminals that are electrically connected to the substrate, and a connector housing that holds the plurality of terminals along a first direction intersecting the substrate. The board is provided with a board connector mounted on the board, the board is formed in a size within the range of the outline of the connector housing when viewed along the first direction, and the connector housing is formed in the first direction. It is characterized in that it is formed in a concave shape on a surface facing the substrate along one direction, and has a component mounting recess in which an electronic component mounted on the substrate is located.

In the electrical junction box and the wire harness according to the present invention, in the substrate connector mounted on the substrate, a plurality of terminals held in the connector housing along the first direction are electrically connected to the substrate. In such a configuration, the substrate is formed in a size that fits within the range of the outer line of the connector housing when viewed along the first direction. On top of that, the electrical junction box is configured such that the electronic components mounted on the board are located in the component mounting recesses formed in the shape of a recess on the surface of the connector housing facing the board along the first direction. To. As a result, the electric junction box and the wire harness have an effect that the increase in size can be suppressed.

FIG. 1 is a perspective view showing a schematic configuration of an electrical junction box according to an embodiment. FIG. 2 is an exploded perspective view showing a schematic configuration of the electrical junction box according to the embodiment. FIG. 3 is an exploded side view showing a schematic configuration of the electrical junction box according to the embodiment. FIG. 4 is a perspective view showing a schematic configuration of the electrical junction box according to the embodiment. FIG. 5 is a partial cross-sectional perspective view showing a schematic configuration of the electrical junction box according to the embodiment. FIG. 6 is a cross-sectional perspective view showing a schematic configuration of the electrical junction box according to the embodiment. FIG. 7 is a perspective view showing a surface of the connector housing of the electrical junction box according to the embodiment on the substrate side.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment. In addition, the components in the following embodiments include those that can be easily replaced by those skilled in the art, or those that are substantially the same.

It should be noted that FIG. 1 described below illustrates the mating connector, FIG. 5 shows a part of the mating connector omitted by a chain double-dashed line, and FIG. 5 shows the mating connector itself omitted in other drawings. Further, in FIG. 1, a part of the wiring material is omitted by a two-dot chain line, and the illustration of the wiring material itself is omitted in the other drawings. Further, FIG. 7 shows the substrate and the electronic component omitted by the alternate long and short dash line. Further, in the following description, the three directions intersecting each other are referred to as "first direction X", "second direction Y", and "third direction Z", respectively. The first direction X, the second direction Y, and the third direction Z are typically orthogonal to each other. The first direction X typically corresponds to the extending direction of the terminals, the plate thickness direction of the substrate, the normal direction, the facing direction between the substrate and the connector housing, and the like. The second direction Y typically corresponds to the protruding direction of the abutting rib or the like. The third direction Z typically corresponds to the arrangement direction of the plurality of fitting spaces and the like. Further, unless otherwise specified, each direction used in the following description shall represent a direction in which each part is assembled to each other.

[Embodiment]
The electrical connection box 1 according to the present embodiment shown in FIG. 1 is mounted on a vehicle such as an automobile and incorporated into a wire harness WH. In the wire harness WH, for example, for connection between each device mounted on a vehicle, a plurality of wiring materials W used for power supply and signal communication are bundled into a collective part, and a plurality of wirings are arranged by a connector or the like. The material W is connected to each device. The wire harness WH includes a conductive wiring material W and an electrical connection box 1 that is electrically connected to the wiring material W. The wire harness WH may also include a grommet, a protector, a fixture, an electric junction box, and the like.

The wiring material W is, for example, an electric wire in which the outside of a conductor portion (core wire) composed of a plurality of conductive metal strands is covered with an insulating coating portion, an electric wire bundle in which the electric wires are bundled, or a conductive rod-shaped member. It is composed of a metal rod or the like whose outside is covered with an insulating coating. In the wire harness WH, a plurality of wiring materials W are bundled and aggregated, and the electrical connection box 1 is electrically connected via a mating connector C or the like provided at the terminal of the bundled wiring materials W.

The electric junction box 1 is, for example, an electronic component unit that is installed in an engine room of a vehicle, a vehicle interior, or the like to realize various functions. The electric junction box 1 is connected between a power source such as a battery and various electronic devices mounted in the vehicle via a wiring material W or the like. The electric junction box 1 distributes the electric power supplied from the power source to various electronic devices in the vehicle.

As shown in FIG. 2 and the like, the electrical junction box 1 of the present embodiment is provided with a component mounting recess 32g in which the electronic component 22 mounted on the board 2 is located in the board connector 3 mounted on the board 2. , It is the one that suppresses the increase in size. Hereinafter, the configuration of the electrical junction box 1 will be described in detail with reference to each figure.

Specifically, the electrical junction box 1 of the present embodiment includes a substrate 2, a substrate connector 3, and a connector cover 4, as shown in FIGS. 1, 2, and 3. The electrical junction box 1 is unitized by housing these components in a housing and assembling them.

The substrate 2 constitutes an electronic circuit. The wiring board W is electrically connected to the substrate 2 via the substrate connector 3. Here, the substrate 2 is composed of, for example, a so-called printed circuit board (PCB: Printed Circuit Board). The wiring of the substrate 2 is obtained by printing a wiring pattern (print pattern) on an insulating layer made of an insulating material such as epoxy resin, glass epoxy resin, paper epoxy resin or ceramic by using a conductive material such as copper. The circuit body is composed of patterns. The substrate 2 is formed in a substantially rectangular plate shape in which the first direction X is the plate thickness direction, and extends along the second direction Y and the third direction Z. Here, in the substrate 2, the second direction Y is the short side direction and the third direction Z is the long side direction.

The board 2 constitutes an electronic circuit in which electronic components 22 are mounted together with the board connector 3 on the mounting surface 21 and electrically connected to each other. The mounting surface 21 is composed of a main surface on one side of the first direction X (a surface facing the board connector 3 along the first direction X). The electronic component 22 is an element that exhibits various functions. The electronic component 22 is, for example, a resistor, a diode, or the like, but is not limited to this, and may be a capacitor, a transistor, a fuse, a relay, an IPS (Intelligent Power Switch), or the like.

On the board 2, the lead wire 22a of the electronic component 22 and the terminal 31 of the board connector 3 are electrically connected to the circuit body by soldering or the like, so that the electronic component 22 and the board connector 3 are mounted on the mounting surface 21. .. Here, the substrate 2 has a plurality of through holes 23 to which the lead wire 22a of the electronic component 22 and the terminal 31 of the substrate connector 3 are electrically connected. Each through hole 23 is formed by penetrating the substrate 2 along the first direction X. The circuit body of the board 2 electrically connects the lead wire 22a of the electronic component 22 and the terminal 31 of the board connector 3 via a through hole 23 or the like to form a circuit system according to a required function. The electronic component 22 is not limited to mounting via the lead wire 22a or the through hole 23, and may be, for example, a so-called surface mount type chip type element that does not pass through the lead wire 22a or the through hole 23 or the like.

The board connector 3 constitutes a PCB connector (board mounting connector) mounted on the mounting surface 21 of the board 2 and electrically connected to the board 2. The board connector 3 constitutes a connection mechanism for connecting the wiring material to the board, which electrically connects the mating connector C provided at the terminal of the wiring material W and the board 2. The board connector 3 is mounted on the board 2 and is fitted with the mating connector C which is a connecting partner to form an electrical connection portion between the mating connector C and the wiring material W and the board. 2 can be electrically connected.

Specifically, as shown in FIGS. 2 to 6, the board connector 3 includes a plurality of terminals 31 and a connector housing 32. The board connector 3 of the present embodiment constitutes a vertically placed connector in which the connector housing 32 holds the terminal 31 along the normal direction (first direction X) of the mounting surface 21 of the board 2.

Each of the plurality of terminals 31 is electrically connected to the substrate 2. The terminal 31 electrically connects the substrate 2 and the mating connector C. The terminal 31 is entirely made of a conductive metal material or the like, and the surface thereof is subjected to conductive plating or the like. The terminal 31 is composed of, for example, a square wire rod formed in a rod shape and in a straight line.

The connector housing 32 accommodates and holds a plurality of terminals 31, and the mating connector C can be fitted. The connector housing 32 of the present embodiment holds a plurality of terminals 31 along a first direction (normal direction) X orthogonal to the mounting surface 21 of the substrate 2. That is, the plurality of terminals 31 of the present embodiment extend linearly along the first direction X while being held by the connector housing 32.

Specifically, the connector housing 32 includes a connector fitting portion 32a, a terminal holding portion 32b, a connector locking portion 32c, an abutting support portion 32d, a cover mating wall portion 32e, an abutting rib 32f, and a component mounting recess 32g. Has. The connector housing 32 is integrally formed of an insulating resin material.

The connector fitting portion 32a is a portion where the mating connector C electrically connected to the terminal 31 can be fitted along the first direction X. The connector fitting portion 32a is formed in a substantially rectangular tubular shape whose axial direction is along the first direction X, and one end of the first direction X (the end opposite to the substrate 2 side) is open. Here, in the connector fitting portion 32a, the second direction Y is the short side direction and the third direction Z is the long side direction.

The internal space of the connector fitting portion 32a is divided into a plurality of fitting space portions 32i by the partition wall 32h. The partition wall 32h is formed in a substantially rectangular plate shape in which the third direction Z is the plate thickness direction. The partition wall 32h extends along both inner wall surfaces of the connector fitting portion 32a along the second direction Y, and is a terminal holding portion 32b described later from the opening of the connector fitting portion 32a along the first direction X. It extends to. A plurality of partition walls 32h are provided at intervals along the third direction Z, and the space portion inside the connector fitting portion 32a is divided into a plurality of space portions.

Here, in the connector fitting portion 32a, the internal space portion is divided into seven fitting space portions 32i by six partition walls 32h. The seven fitting space portions 32i are provided side by side and adjacent to each other along the third direction Z. The fitting space portion 32i is a space portion into which the mating connector C can be fitted, and is partitioned by an inner wall surface of the connector fitting portion 32a, a partition wall 32h, and a terminal holding portion 32b described later. The connector fitting portion 32a can fit a total of seven mating connectors C, one for each of the plurality of fitting space portions 32i.

Here, although each fitting space portion 32i and each mating connector C have slightly different shapes, sizes, etc., the basic configurations are substantially the same, and thus the same description will be given below. ..

The terminal holding portion 32b is a portion for exposing and holding a plurality of terminals 31 in each fitting space portion 32i in the connector fitting portion 32a. The terminal holding portion 32b is formed as a partition wall at the other end of the connector fitting portion 32a in the first direction X to close the other end. The terminal holding portion 32b is positioned so as to face the mounting surface 21 of the substrate 2 at intervals with respect to the first direction X.

The terminal holding portion 32b has a plurality of cavities (holding through holes) 32k formed in the rectangular protruding portion 32j. The rectangular projecting portion 32j is a portion formed in the terminal holding portion 32b so as to project in a substantially rectangular shape toward the substrate 2 along the first direction X, and one each corresponding to each fitting space portion 32i. A total of seven are provided (see also Fig. 7 etc.). Each cavity 32k is formed so as to penetrate each rectangular protrusion 32j of the terminal holding portion 32b along the first direction X, and holds the terminal 31 along the first direction X, respectively. In the terminal holding portion 32b of the present embodiment, a plurality of cavities 32k are arranged in a grid pattern along the second direction Y and the third direction Z in the rectangular protrusion 32j, and the plurality of terminals are arranged in a grid pattern. Holds 31.

The terminal holding portion 32b holds each terminal 31 in each cavity 32k by press-fitting each terminal 31 into each cavity 32k, for example. Further, the terminal holding portion 32b may hold each terminal 31 in each cavity 32k by insert molding each terminal 31 in the terminal holding portion 32b.

Each terminal 31 is located along the normal direction (first direction X) of the mounting surface 21 of the substrate 2 in a state of being held in each cavity 32k of the terminal holding portion 32b, and the end portions on the substrate 2 side are each. It is positioned so as to be inserted into each of the through holes 23 (particularly see FIG. 5). The end of each terminal 31 inserted into each through hole 23 is electrically connected to the circuit body of the substrate 2 by soldering or the like. As a result, in the board connector 3, each terminal 31 and the board 2 are electrically connected.

Further, each terminal 31 is held in each cavity 32k of the terminal holding portion 32b, and the end portion on the side opposite to that on the substrate 2 side is exposed to each fitting space portion 32i in the connector fitting portion 32a. (Especially see FIG. 5). That is, in the fitting space portion 32i, a part of each terminal 31 held in each cavity 32k is exposed. The board connector 3 is held by the terminal holding portion 32b by fitting the mating connector (female connector) C into each mating space 32i, and each terminal 31 exposed to each mating space 32i and the mating connector. It is electrically connected to C (see also FIG. 1 and the like). As a result, the substrate connector 3 is electrically connected to the substrate 2 and the wiring material W via the mating connector C and each terminal 31.

The connector locking portion 32c is a portion that locks the mating connector C fitted in the fitting space portion 32i of the connector fitting portion 32a as described above (particularly, see FIGS. 4, 5 and the like). A total of seven connector locking portions 32c are provided, one for each fitting space portion 32i of the connector fitting portion 32a. The connector locking portion 32c is formed on the inner wall surface of the connector fitting portion 32a, which is located on one side of the second direction Y, among the inner wall surfaces forming the fitting space portion 32i. The connector locking portion 32c is formed on the inner wall surface at the tip end portion on the opening side in the first direction X. The connector locking portion 32c projects from the inner wall surface along the second direction Y and is formed in a claw shape.

The connector locking portion 32c is a locking protrusion Cb formed on the lock arm portion Ca of the mating connector C in a state where the mating connector C is fitted into the fitting space portion 32i of the connector fitting portion 32a (FIG. 1) is locked (see especially FIG. 5). As a result, the connector locking portion 32c places the mating connector C fitted in the mating space portion 32i at a regular position in the fitting space portion 32i (a position where the mating connector C and the terminal 31 are properly conducted). Can be locked.

The contact support portion 32d is a portion that supports the connector housing 32 on the mounting surface 21 of the substrate 2 (see particularly FIGS. 2, 6 and the like). The contact support portion 32d is formed as a wall body that projects from the end portion of the connector fitting portion 32a on the terminal holding portion 32b side along the first direction X toward the substrate 2. The contact support portion 32d extends along the second direction Y. Here, a total of three contact support portions 32d are provided, one at the center of the third direction Z and one at both ends of the third direction Z. Each of the contact support portions 32d supports the connector housing 32 on the mounting surface 21 by contacting the tip portion on the substrate 2 side in the first direction X with the mounting surface 21 of the substrate 2, and also supports the connector housing 32 and the terminal holding portion 32b. A space portion including a component mounting recess 32g, which will be described later, is formed between the mounting surface 21 and the mounting surface 21.

Further, the contact support portions 32d are formed with cover locking portions 32l on which the connector cover 4 described later is locked at each of the two located at both ends in the third direction Z. The cover locking portion 32l is formed in a claw shape so as to project from the outer wall surface along the third direction Z at the contact support portions 32d located at both ends of the third direction Z.

The cover mating wall portion 32e extends from the connector fitting portion 32a to the substrate 2 side along the first direction X, and is a portion on which the connector cover 4 described later is mounted and overlaps (particularly, FIGS. 2, 5, and 7). Etc.). The cover mating wall portion 32e is provided on the substrate 2 side along the first direction X from both side surfaces of the connector fitting portion 32a in the second direction Y. The cover mating wall portions 32e are provided in pairs along the second direction Y so as to face each other. Each of the cover mating wall portions 32e is formed in a plate shape in which the second direction Y is the plate thickness direction, and extends along the third direction Z over a plurality of contact support portions 32d. Each cover mating wall portion 32e is formed with a substantially trapezoidal notch portion 32m that exposes the end portions of the terminals 31 and the like. The cutout portion 32m penetrates the cover mating wall portion 32e along the second direction Y and extends over the adjacent contact support portion 32d.

The abutting rib 32f is a portion that is integrally formed with the connector fitting portion 32a and the like and projects on both sides in the second direction Y. The abutting ribs 32f are provided in pairs on both sides of the connector housing 32 in the second direction Y. Each abutting rib 32f projects from the end portion of the connector fitting portion 32a on the substrate 2 side or the cover mating wall portion 32e to both sides in the second direction Y, and extends in a flange shape along the third direction Z. Is formed. The end of the connector cover 4 mounted on the connector housing 32 is abutted against each abutting rib 32f.

As shown in FIGS. 5, 6 and 7, the component mounting recess 32g is formed in a recess shape on the surface of the connector housing 32 facing the substrate 2 along the first direction X, and is mounted on the substrate 2. This is a space where the electronic component 22 is located. The component mounting recess 32g is formed as a space between the terminal holding portion 32b and the substrate 2. The component mounting recess 32g of the present embodiment is adjacent to the rectangular protrusion 32j of the terminal holding portion 32b along the second direction Y, and is located on the substrate 2 side of the connector locking portion 32c along the first direction X. To do. Here, the component mounting recess 32g is formed on one side of the rectangular protrusion 32j with respect to the second direction Y, and more specifically, the lock arm portion Ca is in a state where the mating connector C is fitted in the fitting space 32i. It is provided on the side where it is located. Here, the component mounting recess 32g is formed by utilizing the space portion facing the die-cutting hole 32n (particularly see FIG. 5) formed in the terminal holding portion 32b. The die-cutting hole 32n is a hole formed by penetrating the terminal holding portion 32b along the first direction X in order to pull out the mold for molding the connector locking portion 32c.

The component mounting recess 32g of the present embodiment is provided in the connector housing 32 with respect to the third direction Z, one on one side and one on the other side with the contact support portion 32d at the center interposed therebetween. And here, each component mounting recess 32g is illustrated assuming that one electronic component 22 is located inside.

As shown in FIGS. 2, 5 and the like, one of the cover-matching wall portions 32e described above is located adjacent to the component mounting recess 32g along the second direction Y. The cover mating wall portion 32e is formed with the above-mentioned notch portion 32m facing the component mounting recess 32g.

Then, as shown in FIGS. 5, 6 and 7, the above-mentioned substrate 2 is typically viewed along the first direction X with the substrate connector 3 mounted on the mounting surface 21. The connector housing 32 is formed to have a size within the range of the outline L1 (particularly see FIG. 7) of the connector housing 32 configured as described above. More specifically, the substrate 2 is formed to have a size within the range of the outline L2 (particularly see FIG. 7) of the connector fitting portion 32a configured as described above when viewed along the first direction X. Will be done. The outline L1 corresponds to the boundary line of the projection area of the connector housing 32 when the connector housing 32 is projected on the projection plane orthogonal to the first direction X along the first direction X. Similarly, the outline L2 corresponds to the boundary line of the projection area of the connector fitting portion 32a when the connector fitting portion 32a is projected on the projection plane orthogonal to the first direction X along the first direction X. To do.

As shown in FIGS. 2, 3, 5, 6, and 6 and the like, the connector cover 4 is a cover member that is mounted on the connector housing 32 to cover and protect the substrate 2. The connector cover 4 is formed of an insulating resin material. The connector cover 4 is formed in a substantially rectangular parallelepiped box shape in which the inside is hollow and one surface of the first direction X is open. The connector cover 4 is mounted on the connector housing 32 in a positional relationship so as to accommodate the substrate 2 inside from the opening side along the first direction X. That is, the connector cover 4 is mounted on the connector housing 32 in a positional relationship such that the substrate 2 is sandwiched between the connector housing 32 and the connector housing 32 along the first direction X and is housed inside.

When the connector cover 4 is mounted on the connector housing 32, the wall portions (wall portions along the third direction Z) facing each other along the second direction Y are on the outside of the pair of cover mating wall portions 32e. It is positioned and overlaps with the cover mating wall portion 32e (particularly see FIG. 5). Then, the tips 4a of both wall portions of the connector cover 4 are abutted against the abutting ribs 32f. Further, in the connector cover 4, the locking holes 4b formed in the wall portions (wall portions along the second direction Y) facing each other along the third direction Z are formed in the cover locking portions 32l. By locking each, it is locked to the connector housing 32. The connector cover 4 is mounted on the connector housing 32 as described above, covers the cover mating wall portion 32e together with the substrate 2, closes the notch portion 32m, and together with the substrate 2, the electronic components 22 and terminals on the substrate 2. Protect 31.

In the electrical junction box 1 and the wire harness WH described above, in the substrate connector 3 mounted on the substrate 2, a plurality of terminals 31 held in the connector housing 32 along the first direction X are electrically mounted on the substrate 2. Be connected. With this configuration, the board connector 3 is arranged via the mating connector C and the terminal 31 by fitting the mating connector C into the fitting space 32i of the connector housing 32 in a state of being mounted on the board 2. The cable W and the substrate 2 can be conductively connected.

In such a configuration, the substrate 2 is formed to have a size within the range of the outer line L1 of the connector housing 32, here the outer line L2 of the connector fitting portion 32a, when viewed along the first direction X. Will be done. On top of that, the electrical junction box 1 is an electronic component 22 mounted on the substrate 2 in a component mounting recess 32g formed in a concave shape on a surface of the connector housing 32 facing the substrate 2 along the first direction X. Is configured to be located. With this configuration, the electrical junction box 1 has the substrate 2 within the range of the outer line L1 of the connector housing 32, and the component mounting recess 32g secures a space for mounting the electronic component 22 in a limited space. Can be done. As a result, the electric junction box 1 and the wire harness WH can suppress the increase in size.

Here, in the electrical connection box 1 and the wire harness WH described above, the component mounting recess 32g is adjacent to the rectangular protrusion 32j of the terminal holding portion 32b, and is located on the substrate 2 side of the connector locking portion 32c. With this configuration, the electric junction box 1 effectively uses the space in the vicinity of the terminal holding portion 32b, which tends to be a dead space, and the space on the substrate 2 side of the connector locking portion 32c in the electric junction box 1. It can be utilized to secure a space for mounting the electronic component 22. As a result, the electric junction box 1 and the wire harness WH can suppress the increase in size as described above.

Further, in the electric connection box 1 and the wire harness WH described above, a notch portion 32m is formed in the cover mating wall portion 32e adjacent to the component mounting recess 32g so as to face the component mounting recess 32g. With this configuration, the electrical junction box 1 and the wire harness WH can more preferably secure a wider space for mounting the electronic component 22 due to the component mounting recess 32g, and thus can more preferably suppress the increase in size.

Then, in the electric junction box 1 and the wire harness WH described above, the connector cover 4 covers the cover mating wall portion 32e together with the substrate 2, closes the notch portion 32m, and the electrons on the substrate 2 together with the substrate 2. The component 22 and the terminal 31 can be protected. With this configuration, in the electrical connection box 1 and the wire harness WH, foreign matter comes into contact with the electronic component 22 and the terminal 31 in the component mounting recess 32g through the notch portion 32m formed in the cover mating wall portion 32e as described above. Can be suppressed. As a result, the electric connection box 1 and the wire harness WH can appropriately protect the electronic components 22 and the like while suppressing the increase in size more preferably as described above.

The electric junction box and the wire harness according to the above-described embodiment of the present invention are not limited to the above-described embodiment, and various modifications can be made within the scope of the claims.

In the above description, the connector housing 32 has been described as having the cover mating wall portion 32e and the abutting rib 32f, but the present invention is not limited to this, and even if the connector housing 32 does not have the cover mating wall portion 32e and the abutting rib 32f. Good.

In the above description, the electrical connection box 1 has been described as having the connector cover 4, but the present invention is not limited to this, and the electrical connection box 1 may be configured not to include the connector cover 4.

In the above description, the component mounting recesses 32g have been described as being provided on one side of the rectangular protrusion 32j with respect to the second direction Y, but the present invention is not limited to this, and the component mounting recesses 32g may be provided on both sides of the rectangular protrusion 32j. .. Further, the component mounting recess 32g is adjacent to the rectangular protrusion 32j of the terminal holding portion 32b along the second direction Y and is located on the substrate 2 side of the connector locking portion 32c along the first direction X. However, it is not limited to this.

The electric junction box and the wire harness according to the present embodiment may be configured by appropriately combining the components of the embodiments and modifications described above.

1 Electrical junction box 2 Board 3 Board connector 4 Connector cover 4a Tip 4b Locking hole 21 Mounting surface 22 Electronic component 22a Lead wire 23 Through hole 31 Terminal 32 Connector housing 32a Connector fitting 32b Terminal holding 32c Connector locking 32d Contact support 32e Cover mating wall 32f Butt rib 32g Parts mounting recess 32h Partition 32i Fitting space 32j Rectangular protrusion 32k Cavity 32l Cover locking 32m Notch 32n Die-out hole C Mating connector Ca lock arm Part Cb Locking protrusions L1, L2 Outline line W Wire distribution material WH Wire harness X 1st direction Y 2nd direction Z 3rd direction

Claims (5)

The boards that make up the electronic circuit and
A substrate mounted on the substrate, including a plurality of terminals that are conductive and electrically connected to the substrate, and a connector housing that holds the plurality of terminals along a first direction intersecting the substrate. Equipped with a connector
The substrate is formed in a size that fits within the outline of the connector housing when viewed along the first direction.
The connector housing is formed in a concave shape on a surface facing the substrate along the first direction, and has a component mounting recess in which an electronic component mounted on the substrate is located.
Electrical junction box. The connector housing has a connector fitting portion in which a mating connector electrically connected to the terminal can be fitted along the first direction, and the plurality of terminals are exposed and held in the connector fitting portion. It has a terminal holding portion and a connector locking portion that locks the mating connector fitted to the connector fitting portion.
The component mounting recess is adjacent to the terminal holding portion along a second direction intersecting the first direction, and is located on the substrate side of the connector locking portion along the first direction.
The electrical junction box according to claim 1. The connector housing extends from the connector fitting portion to the substrate side along the first direction, and is a cover mating wall portion adjacent to the component mounting recess along the second direction intersecting the first direction. Have,
A notch is formed in the cover mating wall portion so as to face the component mounting recess.
The electrical junction box according to claim 2. A connector cover that covers the cover mating wall portion together with the substrate is provided.
The electrical junction box according to claim 3. Conductive wiring material and
It is provided with an electrical junction box that is electrically connected to the wiring material.
The electrical junction box
The boards that make up the electronic circuit and
A substrate mounted on the substrate, including a plurality of terminals that are conductive and electrically connected to the substrate, and a connector housing that holds the plurality of terminals along a first direction intersecting the substrate. Equipped with a connector
The substrate is formed in a size that fits within the outline of the connector housing when viewed along the first direction.
The connector housing is formed in a concave shape on a surface facing the substrate along the first direction, and has a component mounting recess in which an electronic component mounted on the substrate is located.
Wire harness.

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