JP6882048B2 - Electrical junction box and wire harness - Google Patents

Description

The present invention relates to electrical junction boxes and wire harnesses.

Conventionally, electrical junction boxes (junction boxes, fuse boxes, relay boxes, etc.) that are mounted on vehicles such as automobiles and collectively house connection processing parts such as wire harnesses and electronic parts such as fuses, relays, and electronic control units. Also known as). Such an electrical connection box is provided, for example, with a tubular tubular portion that projects outward from the box body and supports a wiring material connected to an electronic component (for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2012-29431

By the way, in the conventional electric junction box, the tubular portion provided so as to project outward is provided with a movable piece, and the movable piece is moved according to the diameter size of the wiring material to support the wiring material. There may be a gap between the wiring material and the inside of the cylinder, and there is room for further improvement in this respect.

Therefore, the present invention has been made in view of the above, and an object of the present invention is to provide an electric junction box and a wire harness that can appropriately support a wiring material.

In order to solve the above-mentioned problems and achieve the object, the electric connection box according to the present invention is formed in a tubular shape with a box body to which electronic components are assembled, and is provided so as to project outward from the box body. A tubular portion that supports a wiring material electrically connected to the electronic component is provided, and the tubular portion is movable with respect to the tubular portion main body provided in the box main body and the tubular portion main body. that a movable piece, a first bent support portions for supporting the movable piece to the tubular body to be bent along the circumferential direction of the tubular portion, have a, the first bent support portion, said tubular portion The movable piece is formed along the axial direction of the above, and the movable piece is bent toward the wiring material by the first bending support portion so as to follow the wiring material along the circumferential direction of the cylinder portion. It is a feature.

The electrical connection box according to the present invention is formed in a tubular shape with a box body to which electronic components are assembled, and is provided so as to project outward from the box body and is electrically connected to the electronic components. The tubular portion includes a tubular portion that supports the above, a tubular portion main body provided in the box main body, a movable piece that is movable with respect to the tubular portion main body, and the movable piece that is movable with respect to the tubular portion main body. A first bending support portion that bendably supports the tubular portion along the circumferential direction, and at least a part of the tubular portion main body on the box main body in a direction different from the circumferential direction and on the wiring material side. It is characterized by having a second bending support portion that supports the box in a bendable manner.

The electrical connection box according to the present invention is formed in a tubular shape with a box body to which electronic components are assembled, and is provided so as to project outward from the box body and is electrically connected to the electronic components. The tubular portion includes a tubular portion that supports the above, a tubular portion main body provided in the box main body, a movable piece that is movable with respect to the tubular portion main body, and the movable piece that is movable with respect to the tubular portion main body. The movable piece has a first bendable support portion that bendably supports the tubular portion along the circumferential direction, and the movable piece has a first movable piece and a second movable piece, and the first movable piece has a first movable piece. The second movable piece is provided with a third bending support portion that bendably supports the second movable piece along the circumferential direction of the tubular portion.

Further, in the electrical connection box, the tubular portion is formed in a curved shape when viewed from the axial direction of the tubular portion, forms a part of the tubular portion main body, and forms one side of the peripheral surface of the wiring material. The first member to be supported and the shape of the tubular portion seen from the axial direction are formed in a curved shape to form the remaining portion of the tubular portion main body, have the movable piece, and have the other side of the peripheral surface of the wiring material. It is preferable that it is formed by combining with a second member that supports.

Further, the wire harness according to the present invention is wound around a conductive wiring material, an electrical connection box electrically connected to the wiring material, and the electrical connection box to the wiring material. The electrical connection box is provided with a winding member, and is formed in a tubular shape with a box body to which an electronic component is assembled, is provided so as to project outward from the box body, and is electrically connected to the electronic component. A tubular portion that supports the wiring material is provided, and the winding member is wound from the tubular portion to the wiring material, and the tubular portion is a tubular portion main body provided on the box body. If, possess a movable piece which is movable relative to the tubular body, a first bent support portions for supporting the movable piece to the tubular body to be bent along the circumferential direction of the cylindrical portion, The first bending support portion is formed along the axial direction of the cylinder portion, and the movable piece is bent toward the wiring material side by the first bending support portion so that the movable piece can be bent in the circumferential direction of the cylinder portion. It is characterized in that it follows the wiring material along the line.
The wire harness according to the present invention includes a conductive wiring material, an electrical connection box electrically connected to the wiring material, and a winding member wound from the electrical connection box to the wiring material. The electrical connection box is formed in a tubular shape with a box body to which an electronic component is assembled, and is provided so as to project outward from the box body and is electrically connected to the electronic component. A tubular portion that supports the material is provided, and the winding member is wound from the tubular portion to the wiring material, and the tubular portion includes a tubular portion main body provided on the box main body and a tubular portion main body. A movable piece that is movable with respect to the tubular portion main body, a first bending support portion that supports the movable piece on the tubular portion main body so as to be bendable along the circumferential direction of the tubular portion, and the cylinder on the box main body. It is characterized by having a second bending support portion that bendably supports at least a part of the main body of the portion in a direction different from the circumferential direction and toward the wiring material side.
The wire harness according to the present invention includes a conductive wiring material, an electrical connection box electrically connected to the wiring material, and a winding member wound from the electrical connection box to the wiring material. The electrical connection box is formed in a tubular shape with a box body to which an electronic component is assembled, and is provided so as to project outward from the box body and is electrically connected to the electronic component. A tubular portion that supports the material is provided, and the winding member is wound from the tubular portion to the wiring material, and the tubular portion includes a tubular portion main body provided on the box main body and a tubular portion main body. The movable piece having a movable piece that is movable with respect to the tubular portion main body and a first bending support portion that supports the movable piece in the tubular portion main body so as to be bendable along the circumferential direction of the tubular portion. The piece has a first movable piece and a second movable piece, and the first movable piece is provided with a third bending support portion that bendably supports the second movable piece along the circumferential direction of the tubular portion. It is characterized by that.

The electric junction box and the wire harness according to the present invention have a movable piece that is movable with respect to the main body of the tubular portion, and a first bending support portion that supports the movable piece on the main body of the tubular portion so as to be bendable along the circumferential direction of the tubular portion. And. With this configuration, the movable piece of the electric junction box and the wire harness can be bent toward the wiring material side along the circumferential direction of the cylinder portion at the first bending support portion, so that the wiring material can be appropriately supported. it can.

FIG. 1 is a perspective view showing a configuration example of the electrical connection box according to the first embodiment. FIG. 2 is an exploded perspective view showing a configuration example of the electrical junction box according to the first embodiment. FIG. 3 is a perspective view showing a configuration example of the second half-cylinder portion according to the first embodiment. FIG. 4 is a front view showing a functional example of the tubular portion according to the first embodiment. FIG. 5 is a perspective view showing an example of fixing the electric wire according to the first embodiment. FIG. 6 is a perspective view showing a configuration example of the tubular portion according to the second embodiment. FIG. 7 is a perspective view showing a configuration example of the second half-cylinder portion according to the second embodiment. FIG. 8 is a front view showing a functional example of the tubular portion according to the second embodiment.

An embodiment (embodiment) for carrying out the present invention will be described in detail with reference to the drawings. The present invention is not limited to the contents described in the following embodiments. In addition, the components described below include those that can be easily assumed by those skilled in the art and those that are substantially the same. Further, the configurations described below can be combined as appropriate. In addition, various omissions, substitutions or changes of the configuration can be made without departing from the gist of the present invention.

[Embodiment 1]
The electric connection box 1 and the wire harness 100 according to the first embodiment will be described. Here, the X direction is the width direction of the electrical connection box 1 in the first embodiment. The Y direction is the thickness direction of the electrical connection box 1 in the first embodiment, and is a direction orthogonal to the width direction. The Y1 direction is the front direction. The Y2 direction is the depth direction. The Z direction is the vertical direction of the electrical connection box 1 in the first embodiment, and is a direction orthogonal to the width direction and the thickness direction. Further, the Z direction is the stacking direction of the housing members of the electrical connection box 1 in the first embodiment. The Z1 direction is the upward direction. The Z2 direction is downward.

The electric junction box 1 in the first embodiment is mounted on a vehicle such as an automobile, and the electric power supplied from a power source such as a battery is applied to various electronic devices mounted on the vehicle via various electronic components 200 and the like. It is to be distributed. The electric junction box 1 is incorporated in a wire harness 100, and integrates electronic components 200 such as connectors, fuses, relays, branch parts, and electronic control units that constitute connection processing components such as electric wires W as wiring materials. It is to be housed inside. The electric junction box 1 in the first embodiment is installed in a place exposed to an external environment such as an engine room of a vehicle, and is connected between a power source such as a battery and various electronic devices mounted in the vehicle. There is. The electrical junction box 1 may also be referred to as a junction box, a fuse box, a relay box, or the like, but in the first embodiment, these are collectively referred to as an electrical junction box. As shown in FIG. 1, the electrical connection box 1 includes a housing 10 as a box body composed of a plurality of housing members. In the electrical connection box 1 of the first embodiment, the vehicle mounting portion provided on the outside of the housing 10 is brought into contact with the mounting panel on the vehicle side, and the vehicle mounting portion and the mounting panel on the vehicle side are formed by fastening members such as bolts. Is installed in the vehicle by concluding. The electric junction box 1 is installed in the vehicle so that the vertical direction (Z direction) coincides with the vertical direction or is at an arbitrary angle with the vertical direction.

As shown in FIG. 2, the housing 10 is formed in a box shape by a material such as an insulating synthetic resin, and the electronic component 200 is housed in the internal space portion 10a formed inside. Here, at least a part of the electronic component 200 is connected to the electric wire W inserted into the internal space portion 10a from the insertion hole 12 formed in the housing 10. The housing 10 includes a box body 13, an upper cover 14, and a lower cover 15, and has a structure in which a plurality of layers (three layers) are laminated in the order of the lower cover 15, the box body 13, and the upper cover 14 from the lower side. That is, the structure is divided into a plurality of housing members.

The box body 13 is a part of the housing 10. The box body 13 has a substantially rectangular outer peripheral shape when viewed from above and below in the installed state. The box body 13 has an internal space portion 13a. The internal space portion 13a is a part of the internal space portion 10a of the housing 10. In the installed state, the box body 13 has a lower opening 13b formed at the lower end and an upper opening 13c formed at the upper end. The box body 13 is formed in a hollow shape in which the lower opening 13b and the upper opening 13c communicate with each other via the internal space 13a in the vertical direction. In the box body 13 according to the first embodiment, the internal space portion 13a is divided into a plurality of compartments, and the box or the electronic component 200 in which the electronic component 200 such as a fuse box is housed is directly in the partitioned space portion. Inserted and retained.

The upper cover 14 is a part of the housing 10. The upper cover 14 is located on the upper side of the box body 13 in the installed state, and closes the upper opening 13c of the box body 13. The upper cover 14 is formed in a substantially rectangular shape whose outer peripheral shape is the same as (including substantially the same) the outer peripheral shape of the box body 13 when viewed from the vertical direction. The upper cover 14 has an internal space portion 14a. The internal space portion 14a is a part of the internal space portion 10a of the housing 10. The upper cover 14 is formed with a lower opening 14b at the lower end. The upper cover 14 is formed in a lid shape in which the internal space portion 14a and the lower opening portion 14b communicate with each other. When the upper cover 14 is assembled to the box body 13, the lower opening 14b faces the upper opening 13c of the box body 13 in the vertical direction, and the upper cover 14 is provided on the side surface of the upper cover 14. It is locked to the box body 13 by the stopping mechanism 14c.

The lower cover 15 is a part of the housing 10. The lower cover 15 is located on the lower side of the box body 13 in the installed state, and closes the lower opening 13b of the box body 13. The lower cover 15 is formed in a substantially rectangular shape whose outer peripheral shape is the same as (including substantially the same) the outer peripheral shape of the box body 13 when viewed from the vertical direction. The lower cover 15 has an internal space portion 15a. The internal space portion 15a is a part of the internal space portion 10a of the housing 10. Therefore, the internal space portion 10a of the housing 10 is composed of the internal space portion 13a of the box body 13, the internal space portion 14a of the upper cover 14, and the internal space portion 15a of the lower cover 15. The lower cover 15 is formed with an upper opening 15b at the upper end. The lower cover 15 is formed in a dish shape (tray shape) in which the internal space portion 15a and the upper opening portion 15b communicate with each other. The lower cover 15 is a locking mechanism provided on the side surface of the lower cover 15 in a state where the upper opening 15b faces the lower opening 13b of the box body 13 in the vertical direction when the lower cover 15 is assembled to the box body 13. It is locked to the box body 13 by 15c.

Then, the electric connection box 1 forms a tubular portion 20 that supports the electric wire W in a state where the box main body 13 and the lower cover 15 are assembled. The tubular portion 20 is integrally molded with the housing 10, but the present invention is not limited to this, and the tubular portion 20 may be separately molded. The tubular portion 20 is formed in a tubular shape, and is provided so as to project outward from the insertion hole 12 of the housing 10. That is, the tubular portion 20 is formed so as to extend from the edge portion of the insertion hole 12 to the outside of the housing 10. An electric wire W is inserted into the tubular portion 20 to support the outer circumference of the electric wire W. The diameter of the opening 20a of the tubular portion 20 is, for example, equivalent to the maximum diameter of the electric wire W to be supported. The tubular portion 20 includes a first semi-cylindrical portion 21 as a semi-cylindrical first member provided on the box body 13, and a second semi-cylindrical portion 22 as a semi-cylindrical second member provided on the lower cover 15. Is formed into a tubular shape by being combined with. The tubular portion 20 includes a tubular portion main body 23 and a movable piece 22e, which will be described later, movably provided on the tubular portion main body 23. The first half-cylinder portion 21 constitutes a part of the cylinder portion main body 23, the second half-cylinder portion 22 constitutes the remaining portion of the tubular portion main body 23, and has a movable piece 22e.

The first half-cylinder portion 21 is provided on the Z2 direction side of the box main body 13, that is, on the lower opening 13b side of the box main body 13, and projects to the outside of the box main body 13 along the Y1 direction. The first half-cylinder portion 21 is formed in a curved shape when viewed from the axial direction (Y direction) of the tubular portion 20. The inside of the first half-cylinder portion 21 faces the Z2 direction (electric wire W side). When the first half-cylinder portion 21 is viewed from the axial direction (Y direction) of the cylinder portion 20, the wall portion of the box body 13 inside the first half-cylinder portion 21 is opened so that the electric wire W can be inserted. The opened portion constitutes a part of the insertion hole 12. The first half-cylinder portion 21 is provided with a reinforcing rib 21a on the outer peripheral surface thereof along the circumferential direction of the first half-cylinder portion 21. The first half-cylinder portion 21 supports one side (Z1 direction side) of the peripheral surface of the inserted electric wire W.

The second half-cylinder portion 22 is provided on the Z1 direction side of the lower cover 15, that is, on the upper opening 15b side of the lower cover 15, and projects to the outside of the lower cover 15 along the Y1 direction. The second half-cylinder portion 22 is formed in a curved shape when viewed from the axial direction of the tubular portion 20. The inside of the second half-cylinder portion 22 faces the Z1 direction (electric wire W side). In the second half-cylinder portion 22, when viewed from the axial direction of the cylinder portion 20, the wall portion of the lower cover 15 inside the second half-cylinder portion 22 is opened so that the electric wire W can be inserted, and the opened portion is It constitutes a part of the insertion hole 12. The second half-cylinder portion 22 supports the other side (Z2 direction side) of the peripheral surface of the inserted electric wire W.

As shown in FIG. 3, the second half-cylinder portion 22 includes a reinforcing rib 22a, a half-cylinder portion main body 22b, and a main body bending support portion as a second bending support portion (hereinafter, referred to as “main body support portion”. ) 22c, a movable one-sided bending support portion (hereinafter, referred to as "one-sided support portion") 22d as a first bending support portion, and a movable piece 22e. The reinforcing ribs 22a are provided on the outer peripheral surfaces of the half-cylinder portion main body 22b and the movable piece 22e along the circumferential direction of the second half-cylinder portion 22, and reinforce the half-cylinder portion main body 22b and the movable piece 22e. The half-cylinder portion main body 22b is a member that forms a part of the tubular portion main body 23, is connected to the lower cover 15, and supports the electric wire W. One side (Y2 direction side) of the half-cylinder portion main body 22b in the extending direction is connected to the lower cover 15 via the main body support portion 22c.

The main body support portion 22c is provided at a connecting portion between the half-cylinder portion main body 22b and the lower cover 15. The main body support portion 22c is a support portion that supports the half-cylinder portion main body 22b to the lower cover 15. The main body support portion 22c supports the half-cylinder portion main body 22b on the lower cover 15 in a direction different from the circumferential direction P of the tubular portion 20 so as to be bendable toward the electric wire W side. That is, the main body support portion 22c is a fulcrum that bendably supports the half-cylinder portion main body 22b on the lower cover 15. The main body support portion 22c has a spring plate portion 22f formed in a curved and plate shape. The spring plate portion 22f connects the lower cover 15 and the half-cylinder portion main body 22b. The spring plate portion 22f bends the half-cylinder portion main body 22b in the Z1 direction by applying an external force while the housing 10 is installed in the vehicle.

As shown in FIG. 3, the one-side support portion 22d is a support portion that bendably supports the movable piece 22e on the half-cylinder portion main body 22b along the circumferential direction P of the cylinder portion 20. That is, the one-side support portion 22d is a fulcrum that bendably supports the movable piece 22e to the half-cylinder portion main body 22b along the circumferential direction P of the cylinder portion 20. The one-side support portion 22d is provided at a connecting portion that connects the half-cylinder portion main body 22b and the movable piece 22e. The one-side support portion 22d has a groove portion 22g (slit) formed along the axial direction (Y direction) of the tubular portion 20. In the one-side support portion 22d, for example, a groove portion 22g is provided inside the second half-cylinder portion 22. The groove portion 22g may be provided on the outside of the second half-cylinder portion 22, or may be provided on both the inside and the outside. Due to the groove portion 22g, the one-side support portion 22d forms a thin portion formed thinner than the portion other than the groove portion 22g of the second half cylinder portion 22.

The movable piece 22e is a member that is connected to the half-cylinder portion main body 22b and supports the electric wire W. The movable piece 22e is connected to the other side of the half-cylinder portion main body 22b in the extending direction, that is, the tip end side in the Y1 direction via the one-side support portion 22d. The movable piece 22e extends from the tip end side of the semi-cylindrical portion main body 22b to one side in the intersecting direction (X direction) intersecting the axial direction of the tubular portion 20, and extends along the circumferential direction P of the tubular portion 20. It is formed in a curved shape. The movable piece 22e bends toward the electric wire W side along the circumferential direction P of the tubular portion 20 at the single support portion 22d.

Next, the procedure for assembling the electrical connection box 1 according to the first embodiment will be described. First, the worker assembles the electric wires W to the sub-blocks housed in the internal space 13a of the box body 13 to produce a sub-harness. Next, the worker inserts the sub-block together with the sub-harness from the lower side of the box body 13 into the internal space portion 13a, and fits and fixes the sub-block with the block mounting member of the box body 13. At this time, the electric wire W is located in the first half-cylinder portion 21 of the box body 13. Next, the worker mounts the electronic component 200 on each sub-block from the upper side of the box body 13, and electrically connects the electronic component 200 and the electric wire W. Next, the worker positions the lower cover 15 on the lower side of the box body 13, and inserts the lower cover 15 from the lower side to the upper side with respect to the box body 13. At this time, the cylinder portion 20 is formed by the first half cylinder portion 21 of the box body 13 and the second half cylinder portion 22 of the lower cover 15, and the electric wire W is inserted into the cylinder portion 20. Next, the worker bends the half-cylinder portion main body 22b of the second half-cylinder portion 22 in the Z1 direction with the main body support portion 22c with respect to the electric wire W inserted into the tubular portion 20, and bends the inside of the half-cylinder portion main body 22b. It is brought into contact with the outer peripheral surface of the electric wire W. Next, the worker bends the movable piece 22e in the circumferential direction P of the tubular portion 20 at the one-side support portion 22d in a state where the half-cylinder portion main body 22b is in contact with the outer peripheral surface of the electric wire W, and the movable piece 22e Is in contact with the outer peripheral surface of the electric wire W (see FIG. 4). Next, the worker winds a binding band (not shown) from the outside of the tubular portion 20 to bind the cable tie, and winds the tape 30 as a winding member from the tubular portion 20 to the electric wire W so as to cover the binding band. Turn to close the gap between the cylinder 20 and the electric wire W (see FIG. 5). Next, the worker positions the upper cover 14 on the upper side of the box body 13, attaches the upper cover 14 to the box body 13 from the upper side to the lower side, and attaches the electric connection box 1 and the wire harness 100. Complete the assembly.

As described above, the electrical connection box 1 and the wire harness 100 according to the first embodiment include a housing 10 and a tubular portion 20. The electronic component 200 is assembled to the housing 10. The tubular portion 20 is formed in a tubular shape, is provided so as to project outward from the housing 10, and supports an electric wire W that is electrically connected to the electronic component 200. The tubular portion 20 has a tubular portion main body 23, a movable piece 22e, and a single support portion 22d. The movable piece 22e is movable with respect to the tubular portion main body 23. The one-side support portion 22d supports the movable piece 22e on the cylinder portion main body 23 so as to be bendable along the circumferential direction P of the cylinder portion 20.

With this configuration, since the electric connection box 1 and the wire harness 100 support the electric wire W by the tubular portion 20, the electric wire W distributed inside and outside the electric connection box 1 can be positioned. Further, in the electric connection box 1 and the wire harness 100, since the movable piece 22e can be bent toward the electric wire W side by the one-side support portion 22d, the movable piece 22e is made to follow the electric wire W along the circumferential direction P of the tubular portion 20. be able to. By this follow-up, when the electric connection box 1 and the wire harness 100 have a gap in the X direction (width direction) between the electric wire W and the tubular portion 20, the gap can be filled by the movable piece 22e, and the electric wire W can be filled. It is possible to absorb the difference in specifications with. With this configuration, the electric connection box 1 and the wire harness 100 can fix the portion where the electric wire W is inserted from the tubular portion 20 by the binding band and the tape 30 in a state where the electric wire W and the tubular portion 20 are in close contact with each other. By this fixing, the electric connection box 1 and the wire harness 100 can prevent liquids and fine dust from entering through the opening 20a of the tubular portion 20, so that waterproofness and dustproofness can be improved. As a result, the electric connection box 1 and the wire harness 100 can appropriately support the electric wire W by the tubular portion 20.

In the electrical connection box 1, the tubular portion 20 is a main body that flexibly supports at least a part of the tubular portion main body 23 in the housing 10 in a direction different from the circumferential direction P of the tubular portion 20 and toward the electric wire W side. A support portion 22c is provided. For example, the main body support portion 22c bends the half-cylinder portion main body 22b of the second half-cylinder portion 22 toward the electric wire W side in a direction different from the circumferential direction P of the tubular portion 20. For example, the main body support portion 22c bends the half-cylinder portion main body 22b of the second half-cylinder portion 22 in the Z1 direction different from the circumferential direction P of the tubular portion 20.

With this configuration, in the electric connection box 1, the half-cylinder portion main body 22b can be bent toward the electric wire W side by the main body support portion 22c, so that there is a gap in the Z direction (stacking direction) between the electric wire W and the tubular portion 20. In some cases, the gap can be filled with the half-cylinder body 22b. With this configuration, the electric junction box 1 can fill the gap between the electric wire W and the tubular portion 20 not only from the X direction but also from the Z direction, so that the electric wire W and the tubular portion 20 are bound in a closer state. The band and the tape 30 can more firmly fix the portion where the electric wire W is inserted from the tubular portion 20. By this fixing, the electric connection box 1 can further suppress the entry of liquid and fine dust from the opening 20a of the tubular portion 20, so that the waterproof and dustproof properties can be further improved.

In the electrical connection box 1, the tubular portion 20 is formed by combining the first half tubular portion 21 and the second half tubular portion 22. The first half-cylinder portion 21 is formed in a curved shape when viewed from the axial direction of the tubular portion 20, forms a part of the tubular portion main body 23, and supports one side of the peripheral surface of the electric wire W. The second half tubular portion 22 has a curved shape when viewed from the axial direction of the tubular portion 20, constitutes the remaining portion of the tubular portion main body 23, has a movable piece 22e, and has a peripheral surface of the electric wire W. Support the other side. With this configuration, in the electric junction box 1, by combining the first half-cylinder portion 21 and the second half-cylinder portion 22, the electric wire W can be inserted into the inside of the cylinder portion 20, and the assembling property of the electric wire W can be improved. Can be improved.

[Embodiment 2]
Next, the electrical connection box 1A according to the second embodiment will be described. In the second embodiment, the same components as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. The second embodiment is different from the first embodiment in that the movable piece 22n has a third bending support portion 22m. As shown in FIGS. 6 and 7, the electrical connection box 1A according to the second embodiment forms a tubular portion 20A that supports the electric wire W in a state where the box body 13 and the lower cover 15A are assembled. The tubular portion 20A includes a first semi-cylindrical portion 21 as a semi-cylindrical first member provided on the box body 13, and a second semi-cylindrical portion 22A as a semi-cylindrical second member provided on the lower cover 15A. Is formed into a tubular shape by being combined with.

The second half-cylinder portion 22A is formed in a curved shape when viewed from the axial direction of the tubular portion 20A. The second half-cylinder portion 22A is provided with a reinforcing rib 22h on the outer peripheral surface thereof along the circumferential direction of the second half-cylinder portion 22A. In the second half-cylinder portion 22A, when viewed from the axial direction of the cylinder portion 20A, the wall portion of the lower cover 15A inside the second half-cylinder portion 22A is opened so that the electric wire W can be inserted, and the opened portion is It constitutes a part of the insertion hole 12. The second half-cylinder portion 22A supports the other side (Z2 direction side) of the peripheral surface of the electric wire W inserted into the insertion hole 12.

The second half-cylinder portion 22A includes a half-cylinder portion main body 22i, a main body support portion 22j, a one-sided support portion 22k as a first bending support portion, and a movable piece 22n. The half-cylinder main body 22i is a member connected to the lower cover 15A and supporting the electric wire W. One side (Y2 direction side) of the half-cylinder portion main body 22i in the extending direction is connected to the lower cover 15A via the main body support portion 22j. The main body support portion 22j is provided at the connecting portion between the half-cylinder portion main body 22i and the lower cover 15A, and supports the half-cylinder portion main body 22i so as to be bendable in the Z1 direction.

The one-side support portion 22k is provided in a connecting portion that connects the half-cylinder portion main body 22i and the movable piece 22n. The one-side support portion 22k has a groove portion 22q (slit) formed along the axial direction (Y direction) of the tubular portion 20A. The one-side support portion 22k has a groove portion 22q provided on the outside of the second half-cylinder portion 22A. The groove portion 22q may be provided inside the second half-cylinder portion 22A, or may be provided both inside and outside. Due to the groove portion 22q, the one-side support portion 22k forms a thin portion formed thinner than the portion other than the groove portion 22q of the second half cylinder portion 22A.

The movable piece 22n is a member that is connected to the half-cylinder portion main body 22i and supports the electric wire W. The movable piece 22n is connected to the other side of the half-cylinder portion main body 22i in the extending direction, that is, the tip end side in the Y1 direction via the one-side support portion 22k. The movable piece 22n extends from the tip end side of the half-cylinder portion main body 22i to one side in the intersecting direction (X direction) intersecting the axial direction of the tubular portion 20A, and is formed in a plate shape. The movable piece 22n includes a base end piece 22t as a first movable piece and a tip end piece 22r as a second movable piece. Further, the movable piece 22n is provided with a third bending support portion 22m that supports the tip end piece 22r on the base end piece 22t so as to be bendable along the circumferential direction P of the tubular portion 20A. The third bending support portion 22m is a fulcrum that bendably supports the tip end piece 22r to the base end piece 22t along the circumferential direction P of the tubular portion 20A. The third bending support portion 22m is provided substantially in the center of the movable piece main body 22p. A groove portion 22q (slit) is formed in the third bending support portion 22m along the axial direction (Y direction) of the tubular portion 20A. Due to the groove portion 22q, the third bending support portion 22m forms a thin portion formed thinner than the portion other than the groove portion 22q of the second half cylinder portion 22A. In the second embodiment, the third bending support portion 22m is provided at one place, but the third bending support portion is not limited to one place, and may be two or more places. In the movable piece 22n, the movable piece main body 22p is bent toward the electric wire W side along the circumferential direction P of the tubular portion 20A at the single support portion 22k, and the tip piece 22r is further bent toward the electric wire W side at the third bending support portion 22m in the circumferential direction of the tubular portion 20A. It bends along P to the W side of the electric wire. With this configuration, the movable piece 22n bends to the electric wire W side in two stages.

In the procedure for assembling the electric connection box 1A according to the second embodiment, the worker attaches the lower cover 15A to the box main body 13 and then attaches the lower cover 15A to the box main body 13 and then attaches the lower cover 15A to the electric wire W inserted into the tubular portion 20A with the main body support portion 22j in the second half. The half-cylinder main body 22i of the tubular portion 22A is bent in the Z1 direction so that the inside of the half-cylinder main body 22i is brought into contact with the outer peripheral surface of the electric wire W. Next, the worker puts the movable piece 22n in the circumferential direction of the tubular portion 20A with the one-side support portion 22k and the third bending support portion 22m in a state where the half-cylinder portion main body 22i is in contact with the outer peripheral surface of the electric wire W. The movable piece 22n is bent into P in two steps to bring it into contact with the outer peripheral surface of the electric wire W (see FIG. 8). Next, the worker winds a binding band (not shown) from the outside of the tubular portion 20A to bind the cable tie, and winds a tape (not shown) from the tubular portion 20A to the electric wire W so as to cover the binding band. Attach and close the gap between the cylinder 20A and the electric wire W. Next, the worker positions the upper cover 14 on the upper side of the box body 13, attaches the upper cover 14 to the box body 13 from the upper side to the lower side, and attaches the electric connection box 1A and the wire harness 100A. Complete the assembly.

As described above, in the electrical connection box 1A according to the second embodiment, the movable piece 22n has a base end piece 22t and a tip end piece 22r, and the tip end piece 22r is attached to the base end piece 22t in the circumferential direction P of the tubular portion 20A. A third bending support portion 22m that supports the bendable along the line is provided. With this configuration, in the electric junction box 1A, in addition to bending the movable piece main body 22p toward the electric wire W side at the one support portion 22k, the tip piece 22r can be further bent toward the electric wire W side at the third bending support portion 22m. .. With this configuration, the electric junction box 1A can bend the movable piece 22n in two stages along the circumferential direction P of the tubular portion 20A, and the movable piece 22n can be made to follow the electric wire W even more. With this configuration, in the electric junction box 1A, when there is a gap in the X direction (width direction) between the electric wire W and the tubular portion 20A, the gap can be further filled by the movable piece 22n.

1, 1A electrical junction box 10 housing (box body)
20, 20A Cylinder 21 First half cylinder (first member)
22, 22A 2nd half cylinder (2nd member)
22d, 22k single support (first bending support)
22c, 22j Main body support (second bending support)
22m 3rd bending support 22e, 22n Movable piece 22t Base end piece (1st movable piece)
22r tip piece (second movable piece)
23 Cylinder body 30 Tape (wrapping member)
100, 100A Wire harness 200 Electronic component W Electric wire (wire distribution material)

Claims (7)

The box body to which electronic parts can be assembled and
It is formed in a tubular shape, is provided so as to project outward from the box body, and includes a tubular portion that supports a wiring material that is electrically connected to the electronic component.
The cylinder part
The main body of the cylinder provided on the main body of the box and
A movable piece that is movable with respect to the main body of the cylinder,
Have a, a first bent support portions for supporting the movable piece to the tubular body to be bent along the circumferential direction of the tubular portion,
The first bending support portion is formed along the axial direction of the tubular portion.
An electrical connection box characterized in that the movable piece is bent toward the wiring material by the first bending support portion to follow the wiring material along the circumferential direction of the tubular portion. The box body to which electronic parts can be assembled and
It is formed in a tubular shape, is provided so as to project outward from the box body, and includes a tubular portion that supports a wiring material that is electrically connected to the electronic component.
The cylinder part
The main body of the cylinder provided on the main body of the box and
A movable piece that is movable with respect to the main body of the cylinder,
A first bending support portion that bendably supports the movable piece along the circumferential direction of the cylinder portion on the cylinder portion main body,
A second bending support portion that bendably supports at least a part of the tubular portion main body to the box main body in a direction different from the circumferential direction and toward the wiring material side.
An electrical junction box characterized by having. The box body to which electronic parts can be assembled and
It is formed in a tubular shape, is provided so as to project outward from the box body, and includes a tubular portion that supports a wiring material that is electrically connected to the electronic component.
The cylinder part
The main body of the cylinder provided on the main body of the box and
A movable piece that is movable with respect to the main body of the cylinder,
The tubular portion main body has a first bending support portion that bendably supports the movable piece along the circumferential direction of the tubular portion.
The movable piece has a first movable piece and a second movable piece, and a third bending support portion that supports the second movable piece on the first movable piece so as to be bendable along the circumferential direction of the tubular portion. An electrical junction box characterized by being equipped with. The tubular portion includes a first member having a curved shape when viewed from the axial direction of the tubular portion, forming a part of the tubular portion main body, and supporting one side of the peripheral surface of the wiring material, and the above-mentioned tubular portion. A second member which is formed in a curved shape when viewed from the axial direction of the tubular portion, constitutes the remaining portion of the tubular portion main body, has the movable piece, and supports the other side of the peripheral surface of the wiring material. The electrical connection box according to any one of claims 1 to 3, which is formed by combining the two. Conductive wiring material and
An electrical junction box that is electrically connected to the wiring material,
It is provided with a winding member that is wound from the electrical connection box to the wiring material.
The electrical junction box
The box body to which electronic parts can be assembled and
It is formed in a tubular shape, is provided so as to project outward from the box body, and includes a tubular portion that supports a wiring material that is electrically connected to the electronic component.
The winding member is wound from the tubular portion to the wiring material.
The cylinder part
The main body of the cylinder provided on the main body of the box and
A movable piece that is movable with respect to the main body of the cylinder,
Have a, a first bent support portions for supporting the movable piece to the tubular body to be bent along the circumferential direction of the tubular portion,
The first bending support portion is formed along the axial direction of the tubular portion.
A wire harness characterized in that the movable piece is bent toward the wiring material by the first bending support portion to follow the wiring material along the circumferential direction of the tubular portion. Conductive wiring material and
An electrical junction box that is electrically connected to the wiring material,
It is provided with a winding member that is wound from the electrical connection box to the wiring material.
The electrical junction box
The box body to which electronic parts can be assembled and
It is formed in a tubular shape, is provided so as to project outward from the box body, and includes a tubular portion that supports a wiring material that is electrically connected to the electronic component.
The winding member is wound from the tubular portion to the wiring material.
The cylinder part
The main body of the cylinder provided on the main body of the box and
A movable piece that is movable with respect to the main body of the cylinder,
A first bending support portion that bendably supports the movable piece along the circumferential direction of the cylinder portion on the cylinder portion main body,
A second bending support portion that bendably supports at least a part of the tubular portion main body to the box main body in a direction different from the circumferential direction and toward the wiring material side.
A wire harness characterized by having. Conductive wiring material and
An electrical junction box that is electrically connected to the wiring material,
It is provided with a winding member that is wound from the electrical connection box to the wiring material.
The electrical junction box
The box body to which electronic parts can be assembled and
It is formed in a tubular shape, is provided so as to project outward from the box body, and includes a tubular portion that supports a wiring material that is electrically connected to the electronic component.
The winding member is wound from the tubular portion to the wiring material.
The cylinder part
The main body of the cylinder provided on the main body of the box and
A movable piece that is movable with respect to the main body of the cylinder,
The tubular portion main body has a first bending support portion that bendably supports the movable piece along the circumferential direction of the tubular portion.
The movable piece has a first movable piece and a second movable piece, and a third bending support portion that supports the second movable piece on the first movable piece so as to be bendable along the circumferential direction of the tubular portion. A wire harness characterized by being provided with.

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