JP7378897B2 - Electrical junction box and wire harness - Google Patents

Description

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

As a technique related to a conventional electrical junction box applied to vehicles, for example, Patent Document 1 discloses that a plurality of terminals inserted into positioning holes of an aligning plate are inserted into through-holes of a circuit board. A board-mounted connector is disclosed.

Japanese Patent Application Publication No. 2017-54801

By the way, there is room for further improvement in the electrical connection box to which the above-described connector is applied, for example, in terms of suppressing the increase in size.

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

In order to achieve the above object, an electrical junction box according to the present invention includes a substrate constituting an electronic circuit, a plurality of conductive terminals electrically connected to the substrate, and a plurality of terminals that are electrically connected to the substrate. a connector housing held along a first direction intersecting the board, and a board connector mounted on the board, wherein the board has an outline of the connector housing when viewed along the first direction. The connector housing is formed in a recess shape on a surface facing the board along the first direction, and has a component mounting recess in which electronic components mounted on the board are located. a connector fitting portion into which a mating connector electrically connected to the terminal can be fitted along the first direction; and a connector fitting portion extending from the connector fitting portion toward the substrate side along the first direction. and a cover matching wall adjacent to the component mounting recess along a second direction intersecting the first direction, the cover matching wall having a notch facing the component mounting recess. It is characterized by being formed.

Further, in the electrical junction box, the connector housing includes a terminal holding part that exposes and holds the plurality of terminals in the connector fitting part , and a terminal holding part that holds the plurality of terminals exposed in the connector fitting part, and a terminal holding part that holds the mating connector fitted in the connector fitting part. The component mounting recess has a connector locking portion that locks, and the component mounting recess is adjacent to the terminal holding portion along a second direction intersecting the first direction and is adjacent to the connector locking portion along the first direction. The stop portion may be located on the substrate side.

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

In order to achieve the above object, a wire harness according to the present invention includes a conductive wiring material and an electrical connection box electrically connected to the wiring material, and the electrical connection box has an electronic A connector housing that includes a substrate constituting a circuit, a plurality of conductive terminals electrically connected to the substrate, and a connector housing that holds the plurality of terminals along a first direction intersecting the substrate, a board connector mounted on the board, the board is formed in a size that falls within an outline of the connector housing when viewed along the first direction, and the connector housing is configured to fit within the outline of the connector housing. A component mounting recess formed in a concave shape in a surface facing the substrate along one direction, in which an electronic component mounted on the substrate is located, and a mating connector electrically connected to the terminal is disposed in the first direction. a connector fitting portion that can be fitted along the connector fitting portion; and a connector fitting portion that extends from the connector fitting portion toward the substrate side along the first direction, and extends along the second direction that intersects the first direction. The device has a cover matching wall adjacent to the mounting recess, and the cover matching wall has a notch formed facing the component mounting recess.

In the electrical junction box and wire harness according to the present invention, in the board connector mounted on the board, a plurality of terminals held in the connector housing along the first direction are electrically connected to the board. In such a configuration, the board is formed to have a size that falls within the outline of the connector housing when viewed along the first direction. Further, the electrical junction box is configured such that the electronic component mounted on the board is located in a component mounting recess formed in a recess shape on the surface facing the board along the first direction of the connector housing. Ru. As a result, the electrical connection box and the wire harness can be prevented from increasing in size.

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

Embodiments according to the present invention will be described in detail below based on the drawings. Note that the present invention is not limited to this embodiment. Furthermore, the constituent elements in the embodiments described below include those that can be easily replaced by those skilled in the art, or those that are substantially the same.

Note that FIG. 1, which will be described below, shows a mating connector, FIG. 5 shows a part of the mating connector with a dashed double-dashed line, and other figures omit illustration of the mating connector itself. Further, in FIG. 1, some of the wiring materials are omitted using chain double-dashed lines, and in other figures, the illustration of the wiring materials themselves is omitted. Further, in FIG. 7, the board and the electronic components are omitted by dashed-two dotted lines. Furthermore, in the following description, three directions that intersect with each other will be referred to as a "first direction X," a "second direction Y," and a "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 terminal, the board thickness direction, the normal direction, the opposing direction between the board and the connector housing, and the like. The second direction Y typically corresponds to the direction in which the abutment rib protrudes. The third direction Z typically corresponds to the direction in which the plurality of fitting spaces are arranged. Further, each direction used in the following description represents a direction in a state where each part is assembled with each other, unless otherwise specified.

[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, for example. Wire harness WH is, for example, a bundle of multiple wiring materials W used for power supply and signal communication for connection between various devices mounted on a vehicle, and is made into a bundle, and multiple wirings are connected using connectors, etc. The material W is connected to each device. The wire harness WH includes a wiring material W having conductivity and an electrical connection box 1 electrically connected to the wiring material W. In addition to this, the wire harness WH may further include a grommet, a protector, a fixture, an electrical connection box, and the like.

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

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

As shown in FIG. 2 etc., the electrical connection box 1 of this embodiment has 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. , which realized the suppression of the increase in size. Hereinafter, the configuration of the electrical connection box 1 will be explained in detail with reference to each figure.

Specifically, the electrical connection box 1 of this embodiment includes a board 2, a board connector 3, and a connector cover 4, as shown in FIGS. 1, 2, and 3. The electrical connection box 1 is made into a unit by housing these components in a housing and assembling them.

The substrate 2 constitutes an electronic circuit. The wiring material W is electrically connected to the board 2 via the board connector 3 . Here, the board 2 is configured by, for example, a so-called printed circuit board (PCB). The board 2 is formed by printing a wiring pattern (print pattern) using a conductive material such as copper on an insulating layer made of an insulating material such as epoxy resin, glass epoxy resin, paper epoxy resin, or ceramic. A circuit body is composed of patterns. The substrate 2 is formed into a substantially rectangular plate shape with the first direction X being the 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.

On the mounting surface 21 of the board 2, electronic components 22 are mounted together with the board connector 3, forming an electronic circuit that electrically connects them. The mounting surface 21 is constituted by a principal surface on one side in the first direction X (a surface facing the board connector 3 along the first direction X). The electronic component 22 is an element that performs various functions. The electronic component 22 is, for example, a resistor, a diode, etc., but is not limited thereto, and may be a capacitor, a transistor, a fuse, a relay, an IPS (Intelligent Power Switch), or the like.

The electronic component 22 and the board connector 3 are mounted on the mounting surface 21 of the board 2 by electrically connecting the lead wire 22a of the electronic component 22 and the terminal 31 of the board connector 3 to the circuit body by soldering or the like. . Here, the board 2 has a plurality of through holes 23 to which the lead wires 22a of the electronic component 22 and the terminals 31 of the board connector 3 are electrically connected. Each through hole 23 is formed to penetrate the substrate 2 along the first direction X. The circuit body of the board 2 electrically connects the lead wires 22a of the electronic component 22 and the terminals 31 of the board connector 3 via the through holes 23, etc., and configures a circuit system according to the required functions. Note that the electronic component 22 is not limited to being mounted via the lead wire 22a or the through hole 23, but may be a so-called surface-mounted chip type element, for example, without using the lead wire 22a or the through hole 23.

The board connector 3 constitutes a PCB connector (board mounting connector) that is 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 wiring material-to-board connection that electrically connects the mating connector C provided at the end of the wiring material W and the board 2. When the board connector 3 is mounted on the board 2, it forms an electrical connection part between the mating connector C and the mating connector C by fitting with the mating connector C, which is the connection partner, and connects the wiring material W and the board. 2 can be electrically connected.

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

The plurality of terminals 31 are electrically connected to the substrate 2, respectively. The terminal 31 electrically connects the board 2 and the mating connector C. The terminal 31 is entirely made of a conductive metal material or the like, and its surface is coated with conductive plating or the like. The terminal 31 is constituted by, for example, a rectangular wire rod-shaped and linearly formed.

The connector housing 32 accommodates and holds the plurality of terminals 31 and is capable of fitting with the mating connector C. The connector housing 32 of this embodiment holds a plurality of terminals 31 along a first direction (normal direction) X orthogonal to the mounting surface 21 of the board 2. That is, the plurality of terminals 31 of this 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 part 32a, a terminal holding part 32b, a connector locking part 32c, an abutting support part 32d, a cover matching wall part 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 into which a mating connector C electrically connected to the terminal 31 can be fitted along the first direction X. The connector fitting portion 32a is formed into a substantially rectangular cylindrical shape whose axial direction is along the first direction X, and one end in the first direction X (the end on the opposite side 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 inner space of the connector fitting portion 32a is divided into a plurality of fitting spaces 32i by a partition wall 32h. The partition wall 32h is formed into a substantially rectangular plate shape with the third direction Z being the thickness direction. The partition wall 32h extends along both inner wall surfaces of the connector fitting portion 32a along the second direction Y, and extends from the opening of the connector fitting portion 32a along the first direction X to a terminal holding portion 32b, which will be described later. extends up to A plurality of partition walls 32h are provided at intervals along the third direction Z, and partition the space inside the connector fitting portion 32a into a plurality of spaces.

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

Note that although each fitting space 32i and each mating connector C have slightly different shapes and sizes, their basic configurations are substantially the same, so the following description will be given in common. .

The terminal holding portion 32b is a portion that exposes and holds the plurality of terminals 31 in each fitting space 32i within the connector fitting portion 32a. The terminal holding portion 32b is formed at the other end of the connector fitting portion 32a in the first direction X as a partition that closes the other end. The terminal holding portion 32b is positioned facing the mounting surface 21 of the board 2 with an interval in the first direction X.

In the terminal holding portion 32b, a plurality of cavities (holding through holes) 32k are formed in a rectangular protruding portion 32j. The rectangular protruding parts 32j are formed in the terminal holding part 32b so as to protrude in a substantially rectangular shape toward the board 2 side along the first direction There are a total of seven (see also Figure 7, etc.). Each cavity 32k is formed to penetrate each rectangular protrusion 32j of the terminal holding part 32b along the first direction X, and holds the terminal 31 along the first direction X, respectively. In the terminal holding part 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 part 32j, and a plurality of terminals are arranged in the grid pattern. Hold 31.

The terminal holding part 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 positioned along the normal direction (first direction They are inserted into each of the through holes 23 one by one (see especially FIG. 5). The end portion of each terminal 31 inserted into each through hole 23 is electrically connected to the circuit body of the board 2 by soldering or the like. Thereby, in the board connector 3, each terminal 31 and the board 2 are electrically connected.

Furthermore, while each terminal 31 is held in each cavity 32k of the terminal holding part 32b, the end on the opposite side to the board 2 side is exposed to each fitting space 32i in the connector fitting part 32a. (see especially Figure 5). That is, in the fitting space 32i, a portion of each terminal 31 held in each cavity 32k is exposed. When the mating connector (female connector) C is fitted into each fitting space 32i, the board connector 3 is connected to each terminal 31 held by this terminal holding part 32b and exposed to each fitting space 32i and the mating connector. C is electrically connected (see also FIG. 1, etc.). Thereby, in the board connector 3, the board 2 and the wiring material W are electrically connected via the mating connector C and each terminal 31.

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

When the mating connector C is fitted into the fitting space 32i of the connector fitting part 32a, the connector locking part 32c locks a locking protrusion Cb formed on the lock arm part Ca of the mating connector C (see FIG. 1) is locked (see especially FIG. 5). As a result, the connector locking portion 32c moves the mating connector C fitted into the fitting space 32i to a normal position within the fitting space 32i (a position where the mating connector C and the terminal 31 are properly electrically connected). Can be locked.

The contact support portion 32d is a portion that supports the connector housing 32 on the mounting surface 21 of the board 2 (see especially FIGS. 2, 6, etc.). The contact support portion 32d is formed as a wall projecting toward the substrate 2 along the first direction X from the end of the connector fitting portion 32a on the terminal holding portion 32b side. The contact support portion 32d extends along the second direction Y. Here, a total of three contact support parts 32d are provided, one each at the center in the third direction Z and one at both ends in the third direction Z. Each contact support part 32d supports the connector housing 32 on the mounting surface 21 by having the tip end on the board 2 side in the first direction X contact the mounting surface 21 of the board 2, and also supports the terminal holding part 32b. A space 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 portion 32d has cover locking portions 32l formed at two ends located at both ends in the third direction Z, respectively, to which a connector cover 4, which will be described later, is locked. The cover locking portions 32l are formed in a claw shape and protrude from the outer wall surface along the third direction Z at the contact support portions 32d located at both ends in the third direction Z.

The cover matching wall portion 32e extends from the connector fitting portion 32a toward the board 2 side along the first direction etc.). The cover matching wall portions 32e are provided on the substrate 2 side along the first direction X from both sides of the connector fitting portion 32a in the second direction Y. The cover matching wall portions 32e are provided as a pair facing each other along the second direction Y. Each cover matching wall portion 32e is formed in a plate shape with the second direction Y being the thickness direction, and extends along the third direction Z across the plurality of contact support portions 32d. Each cover matching wall portion 32e is formed with a substantially trapezoidal cutout portion 32m that exposes the end portions of the terminals 31 and the like. The cutout portion 32m penetrates the cover matching wall portion 32e along the second direction Y, and extends across 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 protrudes to both sides in the second direction Y. A pair of abutting ribs 32f are provided on both sides of the connector housing 32 in the second direction Y. Each abutment rib 32f protrudes from the end of the connector fitting portion 32a on the substrate 2 side or from the cover matching wall portion 32e on both sides in the second direction Y, and extends in a flange shape along the third direction Z. It is formed by The end of the connector cover 4 attached to 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 the shape of a recess on the surface of the connector housing 32 facing the board 2 along the first direction X, and is mounted on the board 2. This is a space where electronic components 22 are located. The component mounting recess 32g is formed as a space between the terminal holding portion 32b and the board 2. The component mounting recess 32g of this embodiment is adjacent to the rectangular protrusion 32j of the terminal holding part 32b along the second direction Y, and is located on the board 2 side of the connector locking part 32c along the first direction X. do. Here, the component mounting recess 32g is located on one side of the rectangular protrusion 32j with respect to the second direction Y, more specifically, when the lock arm Ca is in a state where the mating connector C is fitted into the fitting space 32i. provided on the side where it is located. Here, the component mounting recess 32g is formed by utilizing a space facing the punching hole 32n (see especially 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 cut out a mold for forming the connector locking portion 32c.

In the connector housing 32, one component mounting recess 32g of this embodiment is provided on one side and one on the other side with the abutting support portion 32d in the center in between, in the third direction Z. Here, each component mounting recess 32g is illustrated as having one electronic component 22 located therein.

Note that, as shown in FIGS. 2, 5, etc., 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 matching wall portion 32e has the above-mentioned cutout portion 32m formed facing the component mounting recess 32g.

As shown in FIGS. 5, 6, and 7, the board 2 described above is typically viewed along the first direction X with the board connector 3 mounted on the mounting surface 21. The connector housing 32 is formed to have a size that falls within the outline L1 (see especially FIG. 7) of the connector housing 32 configured as described above. More specifically, when viewed along the first direction be done. The outline L1 corresponds to a boundary line of a projection area of the connector housing 32 when the connector housing 32 is projected along the first direction X onto a projection plane orthogonal to the first direction X. Similarly, the outline L2 corresponds to the boundary line of the projected area of the connector fitting part 32a when the connector fitting part 32a is projected along the first direction X onto a projection plane orthogonal to the first direction X. do.

The connector cover 4 is a cover member that is attached to the connector housing 32 and covers and protects the board 2, as shown in FIGS. 2, 3, 5, and 6. The connector cover 4 is made of an insulating resin material. The connector cover 4 is formed into a substantially rectangular parallelepiped box shape with a hollow interior and an open surface on one side in the first direction X. The connector cover 4 is attached to the connector housing 32 in a positional relationship such that the board 2 is accommodated therein from the opening side along the first direction X. That is, the connector cover 4 is attached to the connector housing 32 in a positional relationship such that the board 2 is sandwiched between the connector cover 4 and the connector housing 32 along the first direction X and accommodated therein.

When the connector cover 4 is attached to the connector housing 32, the wall portions facing each other along the second direction Y (the wall portions along the third direction Z) are located on the outside of the pair of cover matching wall portions 32e. The cover matching wall portion 32e is positioned and overlaps with the cover matching wall portion 32e (see especially FIG. 5). The ends 4a of both wall portions of the connector cover 4 are abutted against each of the abutment ribs 32f. In addition, in the connector cover 4, the locking holes 4b formed in the wall portions facing each other along the third direction Z (the wall portions along the second direction Y) are connected to the respective cover locking portions 32l. By being locked, respectively, the connector housing 32 is locked. When the connector cover 4 is attached to the connector housing 32 as described above, it covers the cover matching wall 32e together with the board 2, closes the notch 32m, and protects the electronic components 22 and terminals on the board 2 together with the board 2. Protect 31.

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

In such a configuration, the board 2 is formed to a size that falls within the range of the outline L1 of the connector housing 32, here the outline L2 of the connector fitting portion 32a, when viewed along the first direction X. be done. On top of that, the electrical junction box 1 includes an electronic component 22 mounted on the board 2 in a component mounting recess 32g formed in a recess shape on the surface of the connector housing 32 facing the board 2 along the first direction X. is configured so that it is located. With this configuration, the electrical junction box 1 is able to accommodate the board 2 within the outline L1 of the connector housing 32 and secure a space for mounting the electronic component 22 in a limited space by the component mounting recess 32g. Can be done. As a result, the electrical connection box 1 and the wire harness WH can be prevented from increasing in size.

Here, in the electrical connection box 1 and wire harness WH described above, the component mounting recess 32g is adjacent to the rectangular protrusion 32j of the terminal holding part 32b, and is located on the substrate 2 side of the connector locking part 32c. With this configuration, the electrical junction box 1 effectively saves space in the vicinity of the terminal holding part 32b, which tends to become a dead space, and on the board 2 side of the connector locking part 32c. By utilizing this, it is possible to secure a space for mounting the electronic component 22. As a result, the electrical connection box 1 and the wire harness WH can be prevented from increasing in size as described above.

Furthermore, in the electrical connection box 1 and wire harness WH described above, a notch 32m is formed in the cover matching wall 32e adjacent to the component mounting recess 32g, facing the component mounting recess 32g. With this configuration, the electrical connection box 1 and the wire harness WH can secure a wider space for mounting the electronic component 22 by the component mounting recess 32g, so that it is possible to more suitably suppress the increase in size.

In addition, the electrical connection box 1 and the wire harness WH described above cover the cover matching wall 32e with the board 2 with the connector cover 4, close the notch 32m, and connect the board 2 with the board 2. The components 22 and terminals 31 can be protected. With this configuration, the electrical connection box 1 and the wire harness WH allow foreign objects to come into contact with the electronic components 22 and the terminals 31 in the component mounting recess 32g through the notch 32m formed in the cover matching wall 32e as described above. can be restrained from doing so. As a result, the electrical connection box 1 and the wire harness WH can more suitably suppress the increase in size as described above, and can appropriately protect the electronic components 22 and the like.

Note that the electrical connection box and wire harness according to the embodiments of the present invention described above are not limited to the embodiments described above, and various changes 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 part 32e and the abutting rib 32f, but the structure is not limited to this. good.

In the above description, the electrical junction box 1 has been described as being equipped with the connector cover 4, but the present invention is not limited to this, and the structure may be such that the electrical junction box 1 does not include the connector cover 4.

In the above description, the component mounting recess 32g was 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 recess 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 part 32b along the second direction Y, and is located on the board 2 side of the connector locking part 32c along the first direction X. However, it is not limited to this.

The electrical connection box and wire harness according to the present embodiment may be configured by appropriately combining the components of the embodiment and modified examples described above.

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

Claims (4)

A board that constitutes an electronic circuit,
A board mounted on the board, including a plurality of conductive terminals that are electrically connected to the board, and a connector housing that holds the plurality of terminals along a first direction intersecting the board. Equipped with a connector,
The board is formed in a size that falls within an outline of the connector housing when viewed along the first direction,
The connector housing is formed in a recess shape on a surface facing the board along the first direction, and includes a component mounting recess in which an electronic component mounted on the board is located , and a counterpart to be electrically connected to the terminal. a connector fitting portion into which a connector can be fitted along the first direction; and a connector fitting portion extending from the connector fitting portion toward the substrate side along the first direction and intersecting the first direction. a cover matching wall portion adjacent to the component mounting recess along two directions;
The cover matching wall portion is characterized in that a cutout portion is formed facing the component mounting recess.
Electrical connection box. The connector housing includes a terminal holding portion that exposes and holds the plurality of terminals within the connector fitting portion, and a connector locking portion that locks the mating connector fitted to the connector fitting portion. have,
The component mounting recess is adjacent to the terminal holding part along a second direction intersecting the first direction, and is located on the board side of the connector locking part along the first direction.
The electrical connection box according to claim 1. a connector cover that covers the cover mating wall portion together with the substrate;
The electrical connection box according to claim 2. A wiring material having conductivity;
and an electrical connection box electrically connected to the wiring material,
The electrical connection box is
A board that constitutes an electronic circuit,
A board mounted on the board, including a plurality of conductive terminals that are electrically connected to the board, and a connector housing that holds the plurality of terminals along a first direction intersecting the board. Equipped with a connector,
The board is formed in a size that falls within an outline of the connector housing when viewed along the first direction,
The connector housing is formed in a recess shape on a surface facing the board along the first direction, and includes a component mounting recess in which an electronic component mounted on the board is located , and a counterpart to be electrically connected to the terminal. a connector fitting portion into which a connector can be fitted along the first direction; and a connector fitting portion extending from the connector fitting portion toward the substrate side along the first direction and intersecting the first direction. a cover matching wall portion adjacent to the component mounting recess along two directions;
The cover matching wall portion is characterized in that a cutout portion is formed facing the component mounting recess.
wire harness.

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