JP6925941B2 - Electrical junction box and wire harness - Google Patents

Description

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

Conventionally, an electric junction box includes a main body for accommodating electronic components and a cover member for closing the opening of the main body as constituent members of the housing. The main body and the cover member are assembled by fitting the peripheral edges of the openings (that is, the ends of the outer peripheral walls on the opening side of each other), and the fitted state is maintained by the locking mechanism. The lock mechanism includes a first engaging body provided on the outer peripheral wall of the main body and a second engaging body provided on the outer peripheral wall of the cover member. The first engaging body and the second engaging body are configured so that the engaging operation between them is performed simultaneously with the fitting operation of the main body and the cover member, and the engaging operation is completed when the fitting operation is completed. doing. In the electrical junction box, electronic components are electrically connected to the electric wires in the accommodation chamber inside the housing. The electric wire is pulled out to the outside of the housing and is electrically connected to, for example, a power source or a load of a vehicle. The electrical junction box is integrated with its electronic components and electric wires to form a wire harness. Patent Document 1 below discloses this type of electrical junction box.

Japanese Unexamined Patent Publication No. 2008-236847

By the way, in the conventional electric junction box, in order to fulfill the purpose of maintaining the fitted state, the first engaging bodies are arranged on the two outer wall bodies arranged opposite to each other on the outer peripheral wall of the main body, and the outer periphery of the cover member is arranged. A second engaging body is arranged on each of the two outer wall bodies arranged opposite to each other on the wall. That is, in the conventional electric junction box, a plurality of lock mechanisms are provided at least in a state of facing each other. At least one of the first engaging body and the second engaging body has a claw portion, and the claw portion is hooked on the other side together with the fitting operation of the main body and the cover member to engage with each other. To complete.

Here, in this electrical connection box, for example, when it is difficult to see the first engaging body on the back side of the worker's working position in peripheral parts such as a vehicle body, when assembling the cover member to the main body, for example, the first 1 The second engaging body on the back side of the cover member is engaged with the engaging body, and then the lock mechanism on the front side is engaged. However, in this electrical junction box, even if the second engaging body on the back side rides on the main body on the back side and the second engaging body is not engaged with the first engaging body on the back side, the lock on the front side is locked. The mechanism may be engaged. Therefore, depending on the positional relationship between the electrical connection box and the peripheral parts, there is a risk that the operator may mistakenly think that the fitting of the main body and the cover member has been completed.

Therefore, an object of the present invention is to provide an electric junction box and a wire harness capable of suppressing the occurrence of erroneous assembly of the main body and the cover member.

In order to achieve the above object, the electrical connection box according to the present invention includes the first main body side outer wall body and the second main body side outer wall body, and the first main body side outer wall body and the second main body side outer wall body, respectively. The third main body side outer wall body arranged at one end side of the main body side is provided with at least a tubular main body side outer wall body, and electronic parts and electric wires are placed in an inner storage chamber of the main body side outer wall body. A first cover-side outer wall body and a second cover-side outer wall body, and one end side of the first cover-side outer wall body and the second cover-side outer wall body, which are arranged so as to be orthogonal to the main body to be accommodated. 3 The outer wall on the cover side has at least a tubular outer peripheral wall on the cover side, and the opening on the outer peripheral wall on the main body side is fitted with the opening side end on the outer peripheral wall on the cover side to open the main body. The rotation support structure includes a cover member for closing the bearing and a rotation support structure for relatively rotating the main body and the cover member when the main body and the cover member are fitted, and the rotation support structure is the outer periphery on the main body side. A concave bearing portion provided at the end portion of the wall on the outer wall body side of the third main body side and an end portion of the outer peripheral wall on the cover side on the outer wall body side of the third cover side are provided and rotate to the bearing portion during the relative rotation. A rotation shaft portion that can be freely accommodated and a guide mechanism that can guide the rotation shaft portion to the bearing portion are provided, and the guide mechanism is a slide when the rotation shaft portion is rotated in the bearing portion. A connecting wall surface that connects the moving wall surface to the outer wall surface of the third main body side outer wall body, and the opening side of the main body in the first main body side outer wall body and the second main body side outer wall body, respectively. A first guide portion that can be guided while sliding along the end surface of the third main body side to the outer wall surface of the third main body side outer wall body, and the rotation shaft portion guided by the first guide portion are the third main body. The second guide portion that can be guided while sliding along the outer wall surface of the side outer wall body to the connecting wall surface and the rotating shaft portion guided by the second guide portion are said to be along the connecting wall surface. It is characterized by including a third guide portion that can guide the bearing portion while sliding the bearing portion.

Here, the outer peripheral wall on the main body side has a fourth main body side outer wall body arranged to face the outer wall body on the third main body side, and the outer peripheral wall on the cover side is arranged to face the outer wall body on the third cover side. It has 4 cover-side outer wall bodies, and includes a main body-side engaging body provided on the 4th main body-side outer wall body and a cover-side engaging body provided on the 4th cover-side outer wall body, and the main body-side engaging body and the cover side. It is desirable to provide a lock mechanism for holding the fitted state of the fourth main body side outer wall body and the fourth cover side outer wall body at the engagement completion position with the engaging body.

Further, in the lock mechanism, when the main body and the cover member are relatively rotated by the rotation support structure to reach at least the fitting completion position, the main body side outer peripheral wall and the cover side at the fitting completion position are reached. It is desirable that the main body side engaging body and the cover side engaging body are relatively moved to the engagement completion position along the tubular axis direction common to the outer peripheral wall.

Further, when the rotation shaft portion starts to engage the main body side engaging body and the cover side engaging body while the rotating shaft portion rides on the first guide portion, the locking mechanism performs the main body side engaging body and the above. It is desirable to provide a locking portion that locks the cover-side engaging body without relatively moving it to the engagement completion position.

Further, as the bearing portion, the first bearing portion provided at the end portion on the outer wall surface of the first main body side outer wall body on the third main body side outer wall body side and the said bearing portion on the outer wall surface of the second main body side outer wall body. A second bearing portion provided at an end on the outer wall side of the third main body is provided, and the rotation shaft portion is a convex first rotation shaft portion that is rotatably accommodated in the first bearing portion. And a convex second rotating shaft portion that is rotatably accommodated in the second bearing portion, and as the connecting wall surface, the sliding wall surface in the first bearing portion is on the third main body side. A first connecting wall surface that is connected to the outer wall surface of the outer wall body and a second connecting wall surface that connects the sliding wall surface of the second bearing portion to the outer wall surface of the third main body side outer wall body are provided. The guide portion can guide the first main body side outer wall body while sliding the end surface of the first main body side outer wall body and the second rotation shaft portion. The second guide portion is provided on the end surface of the second main body side outer wall body, and the second guide portion can guide the first rotation shaft portion to the first connecting wall surface while sliding the third main body side. The outside of the third main body side outer wall body that can guide the end portion of the outer wall surface of the outer wall body on the first main body side outer wall body side and the second rotation shaft portion while sliding to the second connecting wall surface. The third guide portion is provided at the end portion on the wall surface on the outer wall surface side of the second main body side, and the third guide portion guides the first rotation shaft portion along the first connecting wall surface to the first bearing portion. The concave portion that can be formed is provided on the outer wall surface of the outer wall body on the first main body side, and the second rotation shaft portion is guided along the second connecting wall surface to the second bearing portion while sliding. It is desirable to provide the concave portion on the outer wall surface of the second main body side outer wall body.

Further, in order to achieve the above object, the wire harness according to the present invention houses an electronic component, an electric wire whose one end side is electrically connected to the electronic component, and the electronic component and one end side of the electric wire. The housing includes a housing for pulling out the other end side of the electric wire to the outside, and the housing includes a first main body side outer wall body and a second main body side outer wall body, and the first main body side outer wall body and the first main body side outer wall bodies arranged so as to face each other. The third main body side outer wall body arranged at one end side of each of the two main body side outer wall bodies in an orthogonal state has at least a tubular main body side outer wall, and the inner side of the main body side outer wall is accommodated. The main body in which the electronic parts and the electric wires are housed in the chamber, the first cover side outer wall body and the second cover side outer wall body arranged opposite to each other, and one end side of the first cover side outer wall body and the second cover side outer wall body. The third cover-side outer wall body arranged orthogonally to these has at least a tubular cover-side outer wall, and the opening-side end of the cover-side outer wall is at the opening-side end of the main body-side outer wall. It is provided with a cover member that fits the portions to close the opening of the main body, and a rotation support structure that relatively rotates the main body and the cover member when the main body and the cover member are fitted. The dynamic support structure is provided at the concave bearing portion provided at the end of the outer peripheral wall on the main body side on the outer wall side of the third main body side and at the end portion of the outer peripheral wall on the cover side on the outer wall side of the third cover side. A rotation shaft portion that is rotatably accommodated in the bearing portion during relative rotation and a guide mechanism that can guide the rotation shaft portion to the bearing portion are provided, and the guide mechanism is the rotation of the bearing portion. A connecting wall surface that connects the sliding wall surface during rotation of the moving shaft portion to the outer wall surface of the third main body side outer wall body, and the first main body side outer wall body and the second main body side outer wall body of the rotating shaft portion. A first guide portion capable of guiding while sliding to the outer wall surface of the third main body side outer wall body along each end surface of the main body on the opening side, and the guide portion guided by the first guide portion. A second guide portion capable of guiding the rotating shaft portion while sliding along the outer wall surface of the third main body side outer wall body to the connecting wall surface, and the rotating shaft guided by the second guide portion. It is characterized by including a third guide portion capable of guiding the portion while sliding along the connecting wall surface to the bearing portion.

In the electrical connection box according to the present invention, the main body and the cover member are fitted together while rotating relative to each other with the rotation support structure on the outer wall body side on the third main body side and the outer wall body side on the third cover side as fulcrums. In this electrical connection box, even if the rotation support structure is arranged at a position deeper than the work position and difficult to see, the rotation shaft portion of the cover member is moved along the guide mechanism of the main body to the work position. It is possible to guide from the side (the outer wall side of the fourth main body side) to the bearing portion of the main body. Therefore, in this electrical connection box, even if the rotation support structure is arranged at a position where it is difficult to see, the rotation shaft portion of the rotation support structure can be accommodated in the bearing portion, and the rotation support structure can be provided. The main body and the cover member can be rotated relative to each other as a fulcrum. Therefore, in the electrical connection box according to the present invention, even if the rotation support structure is arranged at a position where it is difficult to see, the main body and the cover member can be fitted in the normal fitting state, so that the main body and the cover member can be fitted. It is possible to suppress the occurrence of incorrect assembly. Further, since the wire harness according to the present invention includes the electric connection box, the effect of the electric connection box can be exhibited.

FIG. 1 is a perspective view showing an electric junction box and a wire harness at the time of normal fitting. FIG. 2 is an exploded perspective view of the electrical junction box. FIG. 3 is an exploded perspective view of the electrical junction box viewed from another angle. FIG. 4 is an exploded perspective view of the electrical junction box viewed from yet another angle. FIG. 5 is a side view showing an electrical connection box at the time of normal fitting. FIG. 6 is a front view showing an electrical connection box at the time of normal fitting. FIG. 7 is an enlarged view of part A of FIG. FIG. 8 is a cross-sectional view illustrating the guidance operation of the first rotation shaft portion by the first guide portion, and shows the state during guidance. FIG. 9 is a cross-sectional view illustrating the guidance operation of the second rotation shaft portion by the first guide portion, and shows the state during guidance. FIG. 10 is a cross-sectional view illustrating the guidance operation of the first rotation shaft portion by the second guide portion, and shows the state during guidance. FIG. 11 is a cross-sectional view illustrating the guidance operation of the second rotation shaft portion by the second guide portion, and shows the state during guidance. FIG. 12 is a cross-sectional view illustrating the guide operation of the first rotation shaft portion by the third guide portion, and shows the start position of the guide operation. FIG. 13 is a cross-sectional view illustrating the guide operation of the second rotation shaft portion by the third guide portion, and shows the start position of the guide operation. FIG. 14 is a cross-sectional view showing a state in which the first rotating shaft portion is housed in the first bearing portion. FIG. 15 is a cross-sectional view showing a state in which the second rotating shaft portion is housed in the second bearing portion. FIG. 16 is a cross-sectional view illustrating a modified form of the guide operation of the first rotation shaft portion by the second guide portion and the third guide portion, and shows the start position of the guide operation by the third guide portion. FIG. 17 is a cross-sectional view taken along the line X1-X1 of FIG. FIG. 18 is a cross-sectional view taken along the line X2-X2 of FIG. FIG. 19 is a cross-sectional view showing an electrical connection box when misassembly is detected. FIG. 20 is an explanatory view of a locking mechanism in which the portion B of FIG. 19 is enlarged.

Hereinafter, embodiments of the electrical junction box and wire harness according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment.

[Embodiment]
One of the embodiments of the electric junction box and the wire harness according to the present invention will be described with reference to FIGS. 1 to 20.

Reference numerals 1 in FIGS. 1 to 6 indicate the electrical junction box of the present embodiment. Further, reference numeral WH in FIG. 1 indicates a wire harness of the present embodiment including the electrical connection box 1. In the electrical connection box 1 in each figure, two cover members are assembled to the main body 20 described later, but only one cover member 30 described later is shown.

The electrical connection box 1 of the present embodiment includes a housing 10 in which the storage object AC (FIG. 2) is housed (FIGS. 1 to 6). The housing 10 is molded from an insulating material such as synthetic resin. The housing 10 has at least one storage chamber 11 in which the storage object AC is housed (FIG. 2). In the housing 10, one end side of the accommodation object AC and the electric wire (power supply line, signal line, etc.) We (FIG. 1) is accommodated in the internal accommodation chamber 11, and the other end side of the electric wire We is inside. It is pulled out from the containment chamber 11. Therefore, the housing 10 has at least one outlet (not shown) for pulling out the electric wire We from the inside to the outside. Note that FIG. 1 illustrates a part of the plurality of existing electric wires We. Further, FIG. 2 illustrates a part of a plurality of accommodation objects AC.

Here, as the accommodation object AC, an electronic component to which one end side of the electric wire We is electrically connected, an electronic component holder that accommodates and holds the electronic component, and the like can be considered. The electrical connection box 1 of the present embodiment is one in which at least one of the electronic component and the electronic component holder is accommodated in the housing 10 as the accommodation object AC. The electrical connection box 1 electrically connects an object to be connected (not shown) to the electronic component via an electric wire We. In the electrical connection box 1, the electric wire We is electrically connected to the electronic component inside the housing 10, and the electronic component is connected to the electronic component via the electric wire We drawn from the inside of the housing 10 to the outside. It is electrically connected to the object to be connected. The electric junction box 1 forms a wire harness WH together with the electric wire We.

Electronic components refer to, for example, circuit protection components such as relays and fuses, connectors, terminal fittings, and the like. Here, electronic devices such as circuit boards and electronic control units (so-called ECUs) are also considered as a form of electronic components. Further, the connection target refers to a power source such as a secondary battery, a load such as an electric device (actuator, etc.), a sensor, and the like. In the electric junction box 1, for example, a certain electric wire We is electrically connected to a power source, and another electric wire We is electrically connected to a load, and the power source and the load are connected. Is electrically connected via electronic components.

The illustrated housing 10 includes a main body 20 and a cover member 30 as its constituent members (FIGS. 1 to 6). The main body 20 and the cover member 30 are assembled by fitting each other.

The main body 20 forms the main part of the housing 10 and has a storage chamber 11 (FIG. 2).

Further, the main body 20 has an opening (hereinafter, referred to as “main body side opening”) 21 for inserting the accommodation object AC (FIG. 2). The main body side opening 21 is an insertion port for accommodating the accommodation object AC in the accommodation chamber 11, and communicates with the accommodation chamber 11. The storage object AC is inserted through the opening 21 on the main body side and is stored in the storage chamber 11.

The main body 20 has an outer peripheral wall (hereinafter, referred to as “main body side outer peripheral wall”) 22 as a side wall, and is formed into a tubular shape with both ends opened (FIGS. 2 to 4). The outer wall 22 on the main body side is formed on one end side of each of the outer wall body 22A on the first main body side and the outer wall body 22B on the second main body side, and the outer wall body 22A on the first main body side and the outer wall body 22B on the second main body side, which are arranged so as to face each other. The third main body side outer wall body 22C arranged in an orthogonal state is formed in a tubular shape at least provided. The main body side outer peripheral wall 22 of this example further has a fourth main body side outer wall body 22D arranged to face the third main body side outer wall body 22C. The main body side outer peripheral wall 22 shown here is formed in a square tubular shape by the first main body side outer wall body 22A, the second main body side outer wall body 22B, the third main body side outer wall body 22C, and the fourth main body side outer wall body 22D. ing.

The accommodation chamber 11 is formed in an internal space surrounded by an outer peripheral wall 22 on the main body side. Therefore, in the main body 20, the electronic component as the accommodation object AC and the electronic component accommodated and held in the electronic component holder as the accommodation object AC are stored in the accommodation chamber 11 inside the outer peripheral wall 22 on the main body side. The electric wire We and the electric wire We are accommodated. In the main body 20, the two openings formed by the outer peripheral wall 22 on the main body side are the main body side openings 21 (first main body side opening 21A and second main body side opening 21B) (FIGS. 2 to 4). That is, the main body 20 of this example is an accommodating body having two main body side openings 21 (first main body side opening 21A, second main body side opening 21B) arranged to face each other at both ends, and is called a so-called frame. There is. In the main body 20, the electronic component as the accommodation object AC and the electronic component accommodated and held in the electronic component holder as the accommodation object AC are inserted through the opening 21A on the first main body side. On the other hand, the electronic component holder as the accommodation object AC is inserted through the opening 21B on the second main body side. Inside the main body 20, the electronic component and one end side of the electric wire We are electrically connected. The electric wire We is drawn out from the accommodation chamber 11 through the opening 21B on the second main body side and guided to the outlet.

In the main body 20, the cover member 30 is assembled to the first main body side opening 21A, and another cover member (not shown) is attached to the second main body side opening 21B.

The cover member 30 is assembled to the main body 20 from the first main body side opening 21A side to close the first main body side opening 21A. The cover member 30 fits the peripheral edge portion of its own opening (hereinafter referred to as “cover side opening”) 31 (FIGS. 2 to 4) with the peripheral edge portion of the first main body side opening 21A of the main body 20. Assemble to the main body 20. The peripheral edge of the cover-side opening 31 is a portion located at the end of the cover-side outer peripheral wall 32 on the cover-side opening 31 side (hereinafter, referred to as “opening-side end”) 32a (FIG. 1). From FIG. 6). Further, the peripheral edge portion of the first main body side opening 21A is a portion located at the end portion (hereinafter, referred to as “opening side end portion”) 22a of the main body side outer peripheral wall 22 on the first main body side opening 21A side. Yes (Figs. 2 to 4).

The cover member 30 has an outer peripheral wall 32 as a side wall (hereinafter, referred to as “cover side outer peripheral wall”) 32, one end of the cover side outer peripheral wall 32 is closed, and the cover side outer peripheral wall 32 and others. The ends are open (FIGS. 2-4). In the cover member 30, the opening is the cover side opening 31. The outer peripheral wall 32 on the cover side is formed on one end side of each of the first cover side outer wall body 32A and the second cover side outer wall body 32B and the first cover side outer wall body 32A and the second cover side outer wall body 32B arranged to face each other. The third cover side outer wall body 32C arranged in an orthogonal state is formed in a tubular shape at least provided. The cover-side outer wall 32 of this example further has a fourth cover-side outer wall 32D arranged to face the third cover-side outer wall 32C. The cover-side outer peripheral wall 32 shown here is formed in a square tubular shape by the first cover-side outer wall body 32A, the second cover-side outer wall body 32B, the third cover-side outer wall body 32C, and the fourth cover-side outer wall body 32D. ing.

The cover member 30 fits the opening side end portion 32a of the cover side outer peripheral wall 32 to the opening side end portion 22a of the main body side outer peripheral wall 22 to close the first main body side opening 21A of the main body 20. Between the main body 20 and the cover member 30, the opening side ends 22a and 32a of the first main body side outer wall body 22A and the first cover side outer wall body 32A are fitted to each other, and the second main body side outer wall body 22B and The opening side ends 22a and 32a of the second cover side outer wall 32B are fitted to each other, and the opening side ends 22a and 32a of the third main body side outer wall 22C and the third cover side outer wall 32C are fitted to each other. It is fitted, and the opening side ends 22a and 32a of the fourth main body side outer wall body 22D and the fourth cover side outer wall body 32D are fitted to each other. The positions of the main body 20 and the cover member 30 in the fitted state are the fitting completion positions. Between the main body 20 and the cover member 30, this fitting state is referred to as a normal fitting state (FIGS. 1, 5 and 6). In this mated state, the tubular axis direction of the outer peripheral wall 22 on the main body side and the tubular axial direction of the outer peripheral wall 32 on the cover side are in the same direction. On the other hand, between the main body 20 and the cover member 30, only a part of the respective opening side end portions 22a, 32a (for example, only a part of the respective opening side end portions 22a, 32a), which is different from the fitting state, is fitted. The state of being fitted, etc.) is called the semi-fitted state.

The housing 10 includes a rotation support structure 40 that relatively rotates the main body 20 and the cover member 30 when the main body 20 and the cover member 30 are fitted (FIGS. 1 to 6). The rotation support structure 40 uses the end portion of the outer peripheral wall 22 on the main body side on the third main body side outer wall body 22C side and the end portion of the outer peripheral wall 32 on the cover side 32 on the third cover side outer wall body 32C as a rotation fulcrum. , The main body 20 and the cover member 30 are relatively rotated.

The rotation support structure 40 includes a concave bearing portion 41 provided at the end of the outer peripheral wall 22 on the main body side on the third main body side outer wall 22C side, and the outer wall 32 on the cover side on the third cover side outer wall 32C side. A rotating shaft portion 42 provided at the end portion is provided (FIGS. 2 to 4). The rotating shaft portion 42 is rotatably accommodated in the bearing portion 41 during relative rotation between the main body 20 and the cover member 30.

Specifically, the bearing portion 41 of this example includes a first bearing portion 41A provided at an end portion of the outer wall surface of the first main body side outer wall body 22A on the third main body side outer wall body 22C side, and a second main body side outer wall. A second bearing portion 41B provided at an end portion of the outer wall surface of the body 22B on the third main body side outer wall body 22C side is provided (FIGS. 3 and 4). The first bearing portion 41A and the second bearing portion 41B are arranged concentrically.

Further, as the example rotating shaft portion 42, the convex first rotating shaft portion 42A rotatably accommodated in the first bearing portion 41A and the convex portion rotatably accommodated in the second bearing portion 41B. It is provided with a second rotating shaft portion 42B having a shape (FIGS. 3 and 4). The first rotation shaft portion 42A and the second rotation shaft portion 42B are arranged concentrically.

The first bearing portion 41A has first and second sliding wall surfaces 41a and 41b (FIGS. 7 and 8) connected at an obtuse angle as sliding wall surfaces when the first rotation shaft portion 42A rotates. Have. The first sliding wall surface 41a is inclined toward the second main body side opening 21B side toward the fourth main body side outer wall body 22D with respect to the end surface of the first main body side outer wall body 22A on the first main body side opening 21A side. They are placed facing each other in the state of being made to face each other. The second sliding wall surface 41b is arranged to face the outer wall body 22D on the fourth main body side. Here, the second bearing portion 41B also has a sliding wall surface similar to that of the first bearing portion 41A. That is, the second bearing portion 41B, like the first bearing portion 41A, has the first and second sliding wall surfaces connected at an obtuse angle as sliding wall surfaces when the second rotation shaft portion 42B rotates. It has 41a and 41b (Fig. 9).

The first rotating shaft portion 42A and the second rotating shaft portion 42B are formed, for example, in a cylindrical shape, a cylindrical shape, or a tubular shape having a C-shaped cross section. Here, the first rotating shaft portion 42A and the second rotating shaft portion 42B are formed in a tubular shape having a C-shaped cross section.

Here, the rotary support structure 40 of this example projects from the end of the outer wall body 32A on the first cover side and the outer wall body 32B on the second cover side so as to face the main body 20 side from the end portion on the cover side opening 31 side. It is provided with a plate-shaped piece 43 (FIGS. 3 and 4). The first rotating shaft portion 42A and the second rotating shaft portion 42B are projected from the inner wall surface of each piece 43 thereof.

Further, the rotation support structure 40 includes a guide mechanism 50 capable of guiding the rotation shaft portion 42 to the bearing portion 41 (FIGS. 2 to 4). The guide mechanism 50 guides the cover member 30 from the fourth main body side outer wall body 22D side to the third main body side outer wall body 22C side along the first main body side opening 21A with respect to the main body 20. , The cover member 30 is guided to a relative rotation position where it can be fitted.

The guide mechanism 50 includes a first guide portion 51, a second guide portion 52, and a third guide portion 53 (FIGS. 2 to 4). The guide mechanism 50 includes a connecting wall surface 54 that connects the sliding wall surface of the rotating shaft portion 42 of the bearing portion 41 to the outer wall surface of the third main body side outer wall body 22C (FIGS. 3 and 4). ).

Examples of the articulated wall surface 54 include a first articulated wall surface 54A that connects the sliding wall surface of the first bearing portion 41A to the outer wall surface of the third main body side outer wall body 22C, and a sliding wall surface of the second bearing portion 41B. A second connecting wall surface 54B, which is connected to the outer wall surface of the outer wall body 22C on the main body side, is provided (FIGS. 3 and 4). The first connecting wall surface 54A is connected to the first sliding wall surface 41a of the first bearing portion 41A (FIGS. 7 and 8). The first connecting wall surface 54A of this example is connected to the first sliding wall surface 41a on the same plane. However, the first connecting wall surface 54A may be connected to the first sliding wall surface 41a at a gentle angle as long as the first rotating shaft portion 42A can slide. Similarly, the second connecting wall surface 54B is connected to the first sliding wall surface 41a of the second bearing portion 41B (FIG. 9). The second connecting wall surface 54B of this example is connected to the first sliding wall surface 41a on the same plane. However, the second connecting wall surface 54B may be connected to the first sliding wall surface 41a at a gentle angle as long as the second rotating shaft portion 42B can slide.

Specifically, the first guide portion 51 of the guide mechanism 50 has a rotating shaft portion 42 on each end surface of the first main body side outer wall body 22A and the second main body side outer wall body 22B on the first main body side opening 21A side. It is formed so that it can be guided while sliding along the outer wall surface of the third main body side outer wall body 22C (FIGS. 2 to 4). Here, the end face of the first main body side outer wall body 22A and the end face of the second main body side outer wall body 22B are used as the first guide portion 51, respectively. That is, the first guide portion 51 of this example has an end surface on the first main body side opening 21A side of the first main body side outer wall body 22A capable of guiding the first rotation shaft portion 42A while sliding, and a second. It is provided on the end surface of the second main body side outer wall body 22B on the first main body side opening 21A side, which can guide the rotating shaft portion 42B while sliding.

The first guide portion 51 guides the first rotation shaft portion 42A and the second rotation shaft portion 42B from the fourth main body side outer wall body 22D side to the third main body side outer wall body 22C side while sliding. , The cover member 30 can be guided from the fourth main body side outer wall body 22D side to the third main body side outer wall body 22C side with respect to the main body 20 along the first main body side opening 21A (FIGS. 8 and 8). 9 arrow M1).

The first guide portion 51 slides the first rotation shaft portion 42A and the second rotation shaft portion 42B on the end face of the first main body side outer wall body 22A and the end face of the second main body side outer wall body 22B. It doesn't have to be. For example, the cover member 30 has a first rotation shaft portion 42A and a second rotation shaft portion 42B floating from the end faces of the first main body side outer wall body 22A and the end faces of the second main body side outer wall body 22B. You may guide along the guide part 51.

Further, the second guide portion 52 of the guide mechanism 50 guides the rotating shaft portion 42 guided by the first guide portion 51 while sliding along the outer wall surface of the third main body side outer wall body 22C to the connecting wall surface 54. It is formed as possible (FIGS. 2 to 4). Here, the outer wall surface of the third main body side outer wall body 22C is used as the second guide portion 52. That is, the second guide portion 52 of this example can guide the first rotation shaft portion 42A to the first connecting wall surface 54A while sliding the second guide portion 52 on the first main body side of the outer wall surface of the third main body side outer wall body 22C. The second main body side outer wall body 22B on the outer wall surface of the third main body side outer wall body 22C capable of guiding the end portion on the outer wall body 22A side and the second rotation shaft portion 42B while sliding to the second connecting wall surface 54B. It is provided at the end on the side.

The second guide portion 52 covers the first rotating shaft portion 42A and the second rotating shaft portion 42B by sliding the first rotating shaft portion 42A and the second rotating shaft portion 42B from the first main body side opening 21A side to the second main body side opening 21B side. The member 30 can be guided from the first main body side opening 21A side to the second main body side opening 21B side with respect to the main body 20 (arrows M2 in FIGS. 10 and 11 and FIGS. 12 and 13). 12 and 13 show a state after the guidance of the first rotation shaft portion 42A and the second rotation shaft portion 42B by the second guide portion 52 is completed, and the first rotation by the third guide portion 53. It represents the start position of the guidance operation of the shaft portion 42A and the second rotating shaft portion 42B.

The second guide portion 52 does not need to slide the first rotation shaft portion 42A and the second rotation shaft portion 42B on the outer wall surface of the third main body side outer wall body 22C. For example, the cover member 30 guides the first rotating shaft portion 42A and the second rotating shaft portion 42B along the second guide portion 52 in a state where the first rotating shaft portion 42A and the second rotating shaft portion 42B are floated from the outer wall surface of the third main body side outer wall body 22C. May be good.

Further, the third guide portion 53 of the guide mechanism 50 can guide the rotating shaft portion 42 guided by the second guide portion 52 while sliding along the connecting wall surface 54 to the bearing portion 41. Form (FIGS. 2-4). The third guide portion 53 of this example is provided on the outer wall surface of the first main body side outer wall body 22A and the outer wall surface of the second main body side outer wall body 22B. For example, one of the third guide portions 53 is an outer wall on the first main body side as a concave portion capable of guiding the first rotation shaft portion 42A along the first connecting wall surface 54A to the first bearing portion 41A while sliding. It is provided on the outer wall surface of the body 22A. The other third guide portion 53 is a concave portion capable of guiding the second rotation shaft portion 42B along the second connecting wall surface 54B to the second bearing portion 41B while sliding the second main body side outer wall. It is provided on the outer wall surface of the body 22B.

The third guide portion 53 has the first rotating shaft portion 42A and the second rotating shaft portion 42B along the first connecting wall surface 54A and the second connecting wall surface 54B, respectively, along with the first bearing portion 41A and the second bearing portion 41B. By guiding the cover member 30 while sliding to, the cover member 30 can be guided from the third main body side outer wall body 22C side to the fourth main body side outer wall body 22D side with respect to the main body 20 (FIGS. 12 and 13). Arrow M3 and FIGS. 14 and 15). 14 and 15 are the states after the guidance of the first rotation shaft portion 42A and the second rotation shaft portion 42B by the third guide portion 53 is completed, and the first rotation shaft portion 42A and the second rotation shaft portion 42A and the second. It shows the accommodation state of the rotating shaft portion 42B in the first bearing portion 41A and the second bearing portion 41B.

Here, when the cover member 30 is arranged on the upper side of the vehicle with respect to the main body 20, when the cover member 30 is guided by the second guide portion 52, the cover member 30 becomes the first rotating shaft portion 42A and the first rotating shaft portion 42A by its own weight. 2 There is a possibility that the rotating shaft portion 42B is lowered to a position where it does not contact the first connecting wall surface 54A and the second connecting wall surface 54B (FIG. 16). At that time, in the third guide portion 53, the first bearing portion without sliding the first rotating shaft portion 42A and the second rotating shaft portion 42B along the first connecting wall surface 54A and the second connecting wall surface 54B, respectively. By guiding the cover member 30 to 41A and the second bearing portion 41B, the cover member 30 is guided to the main body 20 from the third main body side outer wall body 22C side to the fourth main body side outer wall body 22D side (arrows M4 in FIG. 16 and FIG. 14). Therefore, the third guide portion 53 of this example, together with the first bearing portion 41A and the second bearing portion 41B, extends each recessed shape to the end portion on the second main body side opening 21B side. Note that FIG. 16 shows only the movement of the first rotation shaft portion 42A side for convenience.

In the housing 10, the main body 20 and the cover member are housed in the first bearing portion 41A and the second bearing portion 41B, respectively, with the first rotating shaft portion 42A and the second rotating shaft portion 42B. By rotating relative to 30 (arrow R in FIGS. 14 and 15), a normal mating state is obtained (FIG. 17). Note that FIG. 17 shows only the first rotation shaft portion 42A side for convenience.

The housing 10 is provided with a lock mechanism 60 in order to hold the fitted state (normally fitted state) between the main body 20 and the cover member 30 (FIGS. 1 to 6 and 8 to 20). The lock mechanism 60 is provided between the fourth main body side outer wall body 22D and the fourth cover side outer wall body 32D (FIGS. 1, FIG. 2, FIG. 5, FIG. 6, and FIGS. 8 to 20). The lock mechanism 60 includes a main body side engaging body 61 provided on the fourth main body side outer wall body 22D and a cover side engaging body 62 provided on the fourth cover side outer wall body 32D. The lock mechanism 60 is configured to hold the fitted state of the fourth main body side outer wall body 22D and the fourth cover side outer wall body 32D at the engagement completion position between the main body side engaging body 61 and the cover side engaging body 62. do.

Here, in the main body 20 and the cover member 30, the main body side engaging body 61 and the cover side engaging body 62 of the lock mechanism 60 are fitted to each other while rotating relative to each other with the rotation support structure 40 as a fulcrum. Engage. Therefore, the main body side engaging body 61 and the cover side engaging body 62 undergo a relative rotation between the main body 20 and the cover member 30 with the rotation support structure 40 as a fulcrum until the relative movement along the tubular axis direction starts. It is moving relative to each other while interlocking. Therefore, the main body side engaging body 61 and the cover side engaging body 62 are formed so that the engaging operation can be performed while performing these relative movements. In this illustrated lock mechanism 60, when the main body 20 and the cover member 30 are relatively rotated by the rotation support structure 40 to reach at least the fitting completion position, the main body side outer peripheral wall 22 and the cover side at the fitting completion position are reached. The main body side engaging body 61 and the cover side engaging body 62 are configured to be relatively moved to the engagement completion position along the tubular axis direction common to the outer peripheral wall 32.

For example, at least one of the main body side engaging body 61 and the cover side engaging body 62 is extended along the common tubular axis direction between the main body side outer peripheral wall 22 and the cover side outer peripheral wall 32 at the fitting completion position. It has an extending part. Further, at least one of the main body side engaging body 61 and the cover side engaging body 62 is projected from the extending portion in the intersecting direction with respect to the tubular axis direction, and the main body side engaging body 61 and the cover side engaging body 62 are engaged with each other. It has an engaging portion that holds the fitted state of the main body 20 and the cover member 30 by hooking the main body 20 and the cover member 30 on the other side in the tubular axis direction at the fitting completion position.

Specifically, one of the main body side engaging body 61 and the cover side engaging body 62 has an extending portion 62a and an engaging portion 62b (FIGS. 2 and 18 to 20). The extending portion 62a extends toward the other side of the extending portion 62a along a common tubular axis direction between the outer peripheral wall 22 on the main body side and the outer peripheral wall 32 on the cover side at the fitting completion position. The engaging portion 62b is formed as a claw portion protruding from the extending portion 62a in the direction intersecting the tubular axis direction. Further, the other of the main body side engaging body 61 and the cover side engaging body 62 is the same tubular portion as the tubular axial direction common to the main body side outer peripheral wall 22 and the cover side outer peripheral wall 32 at the position where the tubular axis direction is the fitting completion position. It has an engaging portion 61a and an engaging portion 61b that is hooked on the engaging portion 62b in the tubular axial direction (FIGS. 18 to 20). The other side of the main body side engaging body 61 and the cover side engaging body 62 is an inner space of the tubular portion 61a, until the main body side engaging body 61 and the cover side engaging body 62 reach the engagement completion position. The extending portion 62a has an inserted space 61c into which the extending portion 62a is inserted (FIGS. 2, 6 and 18 to 20). The engaging portion 61b may be formed by utilizing the end portion of the tubular portion 61a or the like, or may be formed as a claw portion. Here, the main body side engaging body 61 has a tubular portion 61a, an engaging portion 61b, and an inserted space 61c, and the cover side engaging body 62 has an extending portion 62a and an engaging portion 62b.

The extending portion 62a of this example is provided on the outer wall body 32D on the fourth cover side in a cantilevered state with the end on the main body 20 side as a free end. The extending portion 62a is formed in the shape of a rectangular piece to give flexibility. Further, the engaging portion 62b of this example is provided at the end portion of the extending portion 62a on the main body 20 side. The engaging portion 62b is formed as a claw portion (first claw portion) protruding in a claw shape from one plane at the end portion of the extending portion 62a on the main body 20 side. On the other hand, the engaging portion 61b of this example is provided on the inner wall surface forming the insertion space 61c in the tubular portion 61a. The engaging portion 61b is projected in the direction intersecting the tubular axis direction of the tubular portion 61a, and when the main body side engaging body 61 and the cover side engaging body 62 are in the engagement complete position, the engaging portion (first claw portion). Hook on 62b. The engaging portion 61b is formed as a claw portion (second claw portion) protruding from the inner wall surface of the tubular portion 61a in a claw shape.

By the way, when the rotating shaft portion 42 starts to engage the main body side engaging body 61 and the cover side engaging body 62 while riding on the first guide portion 51, the lock mechanism 60 and the main body side engaging body 61 A locking portion 65 for locking the cover-side engaging body 62 without relative movement to the engagement completion position is provided (FIGS. 19 and 20).

The locking portion 65 is composed of a first locking portion 65a provided on the main body side engaging body 61 and a second locking portion 65b provided on the cover side engaging body 62. For example, the first locking portion 65a is formed as a flake-shaped protruding portion protruding from the inner peripheral surface of the tubular portion 61a. The first locking portion 65a is provided at a predetermined position in the insertion space 61c. The predetermined location is the engagement completion position of the cover-side engaging body 62 in the insertion space 61c when the main body 20 and the cover member 30 are normally rotated with the rotation support structure 40 as a fulcrum. It is a place that does not hinder the relative movement to. Then, the second locking portion 65b is first locked when the rotating shaft portion 42 starts to engage the main body side engaging body 61 and the cover side engaging body 62 while riding on the first guide portion 51. It is formed so as to abut and be locked to the portion 65a. Two of the second locking portions 65b of this example are provided on the outer wall body 32D on the fourth cover side so as to interpose the extending portion 62a, and the second locking portion 62b is provided before the engaging portion 62b gets over the engaging portion 61b. 1 It is projected toward the main body side engaging body 61 side from the engaging part 62b so as to be in contact with the locking portion 65a (FIGS. 2 to 4, 19 and 20).

Here, in addition to the lock mechanism 60, the housing 10 is located on the third main body side outer wall 22C side and the cover side outer wall 32 of the main body side outer wall 22 at the fitting completion position of the main body 20 and the cover member 30. A holding mechanism for holding the fitted state on the outer wall body 32C side on the third cover side is provided. Here, as the holding mechanism, the first sliding wall surface 41a of the first bearing portion 41A and the second bearing portion 41B, the first rotating shaft portion 42A, and the second bearing portion 41B are used. That is, at the fitting complete position between the main body 20 and the cover member 30, when a force in the detaching direction acts between the main body 20 and the cover member 30, the first sliding wall surface 41a of the first bearing portion 41A becomes the first. The rotating shaft portion 42A can be locked, and the second bearing portion 41B can be locked by the first sliding wall surface 41a of the second bearing portion 41B. Therefore, this holding mechanism is on the third main body side outer wall 22C side of the main body side outer peripheral wall 22 and the third cover side outer wall 32C side of the cover side outer wall 32 at the fitting completion position of the main body 20 and the cover member 30. The mated state can be maintained. In this way, the housing 10 can hold the main body 20 and the cover member 30 at the fitting completion position by the holding mechanism and the locking mechanism 60.

By the way, the other second sliding wall surface 41b can be used as a locking surface for locking the rotating shaft portion 42 guided by the third guide portion 53 so as to be stopped by the bearing portion 41.

As shown above, the main body 20 and the cover member 30 of the present embodiment are relatively rotated with the rotation support structure 40 on the third main body side outer wall body 22C side and the third cover side outer wall body 32C side as fulcrums. Fit each other. For example, in this electrical connection box 1, the first main body side opening 21A is directed upward of the vehicle, and the fourth main body side outer wall body 22D side is closer to the worker's work position than the third main body side outer wall body 22C side. The main body 20 is attached to the vehicle body, and the rotation support structure 40 may be hidden by peripheral parts such as the vehicle body and exist at a position where it is difficult to see.

Even in such a case, the operator can move the rotating shaft portion 42 of the cover member 30 along the guide mechanism 50 of the main body 20 from the working position side (fourth main body side outer wall body 22D side) without visually observing. It can be guided to the bearing portion 41 of the main body 20. Therefore, in the electrical connection box 1 of the present embodiment, even if the rotation support structure 40 is arranged at a position where it is difficult to see, the rotation shaft portion 42 of the rotation support structure 40 is accommodated in the bearing portion 41. The main body 20 and the cover member 30 can be relatively rotated with the rotation support structure 40 as a fulcrum. Therefore, in the electrical connection box 1, even if the rotation support structure 40 is arranged at a position where it is difficult to see, the main body 20 and the cover member 30 can be fitted in a normal fitting state.

Further, the electrical connection box 1 can complete the engagement of the lock mechanism 60 with the fitting of the main body 20 and the cover member 30. Here, the electrical connection box 1 includes the locking portion 65 that the locking mechanism 60 has previously shown. Therefore, in this electrical connection box 1, the main body 20 and the cover member 30 are relatively rotated while the rotating shaft portion 42 is mounted on the first guide portion 51, and the main body side engaging body 61 and the cover side engaging body 62 are engaged with each other. Even if it starts to be caused, the engagement of the lock mechanism 60 cannot be completed. Therefore, the operator can grasp that the cover member 30 is not correctly assembled to the main body 20 when the engagement of the lock mechanism 60 is not completed.

As described above, in the electric connection box 1 of the present embodiment, even if the rotation support structure 40 is arranged at a position where it is difficult to see, the main body 20 and the cover member 30 can be fitted in a normal fitting state. Therefore, it is possible to suppress the occurrence of erroneous assembly of the main body 20 and the cover member 30. Further, in the electrical connection box 1 of the present embodiment, the locking portion 65 of the locking mechanism 60 allows the operator to detect the incorrect assembly of the main body 20 and the cover member 30. Therefore, the electrical connection box 1 of the present embodiment can improve the workability of assembling the cover member 30 to the main body 20. Further, since the wire harness WH of the present embodiment includes the electric connection box 1, the effect of the electric connection box 1 can be exhibited.

1 Electrical connection box 10 Housing 11 Storage room 20 Main body 21 Main body side opening 21A 1st main body side opening 22 Main body side outer wall 22A 1st main body side outer wall 22B 2nd main body side outer wall 22C 3rd main body side outer wall 22D 4 Main body side outer wall 22a Opening side end 30 Cover member 31 Cover side opening 32 Cover side outer wall 32A 1st cover side outer wall 32B 2nd cover side outer wall 32C 3rd cover side outer wall 32D 4th cover side outer wall 32a Opening side end 40 Rotational support structure 41 Bearing part 41A 1st bearing part 41B 2nd bearing part 41a 1st sliding wall surface 41b 2nd sliding wall surface 42 Rotating shaft part 42A 1st rotating shaft part 42B 2nd Rotating shaft part 50 Guide mechanism 51 1st guide part 52 2nd guide part 53 3rd guide part 54 Connecting wall surface 54A 1st connecting wall surface 54B 2nd connecting wall surface 60 Lock mechanism 61 Main body side engaging body 62 Cover side engaging body 65 Stop 65a 1st locking 65b 2nd locking AC containment object We wire WH wire harness

Claims (6)

The first main body side outer wall body and the second main body side outer wall body arranged to face each other, and the third main body side outer wall arranged orthogonally to each one end side of each of the first main body side outer wall body and the second main body side outer wall body. A main body having a tubular main body-side outer peripheral wall on which a body is provided at least, and an electronic component and an electric wire are housed in a storage chamber inside the main body-side outer peripheral wall.
The first cover side outer wall body and the second cover side outer wall body arranged to face each other, and the third cover side outer wall body arranged perpendicular to these on one end side of the first cover side outer wall body and the second cover side outer wall body. A cover member having at least a tubular cover-side outer peripheral wall, and fitting the opening-side end of the cover-side outer peripheral wall to the opening-side end of the main body-side outer peripheral wall to close the opening of the main body.
A rotation support structure that relatively rotates the main body and the cover member when the main body and the cover member are fitted together.
With
The rotation support structure is provided at the concave bearing portion provided at the end portion of the outer peripheral wall on the main body side on the outer wall side of the third main body side and at the end portion of the outer peripheral wall on the cover side on the outer wall side of the third cover side. A rotating shaft portion that is rotatably accommodated in the bearing portion during the relative rotation and a guide mechanism that can guide the rotating shaft portion to the bearing portion are provided.
The guide mechanism includes a connecting wall surface that connects the sliding wall surface of the bearing portion during rotation of the rotating shaft portion to the outer wall surface of the third main body side outer wall body, and the rotating shaft portion of the first main body. A first guide portion capable of guiding while sliding to the outer wall surface of the third main body side outer wall body along the respective end faces of the side outer wall body and the opening side of the main body in the second main body side outer wall body. A second guide portion capable of guiding the rotating shaft portion guided by the first guide portion while sliding along the outer wall surface of the third main body side outer wall body to the connecting wall surface, and the first guide portion. (2) An electric connection box including a third guide portion capable of guiding the rotating shaft portion guided by the guide portion while sliding the rotating shaft portion along the connecting wall surface to the bearing portion. The outer peripheral wall on the main body side has a fourth main body side outer wall body arranged to face the third main body side outer wall body.
The cover-side outer peripheral wall has a fourth cover-side outer wall body that is arranged to face the third cover-side outer wall body.
The main body side engaging body provided on the fourth main body side outer wall body and the cover side engaging body provided on the fourth cover side outer wall body are provided, and at the engagement completion position between the main body side engaging body and the cover side engaging body. The electrical connection box according to claim 1, further comprising a lock mechanism for holding the fitted state of the fourth main body side outer wall body and the fourth cover side outer wall body. In the lock mechanism, when the main body and the cover member are relatively rotated by the rotation support structure to reach at least the fitting completion position, the main body side outer peripheral wall and the cover side outer peripheral wall at the fitting completion position are reached. The electrical connection box according to claim 2, wherein the main body side engaging body and the cover side engaging body are relatively moved to an engagement completion position along a common tubular axis direction. In the lock mechanism, when the main body side engaging body and the cover side engaging body are started to be engaged with the rotating shaft portion riding on the first guide portion, the main body side engaging body and the cover side are engaged. The electrical connection box according to claim 3, further comprising a locking portion for locking the engaging body without relative movement to the engagement completion position. The bearing portions include a first bearing portion provided at an end portion on the outer wall surface of the first main body side outer wall body on the third main body side outer wall body side, and the third bearing portion on the outer wall surface of the second main body side outer wall body. A second bearing portion provided at the end of the outer wall on the main body side is provided.
The rotation shaft portion includes a convex first rotation shaft portion that is rotatably accommodated in the first bearing portion and a convex second rotation that is rotatably accommodated in the second bearing portion. With a shaft,
As the connecting wall surface, the first connecting wall surface that connects the sliding wall surface of the first bearing portion to the outer wall surface of the third main body side outer wall body and the sliding wall surface of the second bearing portion are the third. Main body side outer wall A second articulated wall surface that is articulated to the outer wall surface of the body is provided.
The first guide portion guides the end face of the outer wall body on the first main body side, which can be guided while sliding the first rotation shaft portion, and the second rotation shaft portion while sliding. Provided on the end face of the outer wall body on the side of the second main body, which is capable of
The second guide portion is an end of the outer wall surface of the third main body side outer wall body on the outer wall surface side of the first main body side, which can guide the first rotation shaft portion while sliding to the first connecting wall surface. To the portion and the end portion of the outer wall surface of the third main body side outer wall body on the second main body side outer wall body side, which can guide the second rotation shaft portion while sliding to the second connecting wall surface. Provide,
The third guide portion is a concave portion capable of guiding the first rotation shaft portion along the first connecting wall surface to the first bearing portion while sliding, and is outside the outer wall body on the first main body side. On the outer wall surface of the second main body side outer wall body as a concave portion that can be provided on the wall surface and guide the second rotating shaft portion while sliding along the second connecting wall surface to the second bearing portion. The electrical connection box according to any one of claims 1 to 4, wherein the electric connection box is provided. With electronic components
An electric wire whose one end is electrically connected to the electronic component,
A housing that accommodates the electronic component and one end side of the electric wire inside and pulls out the other end side of the electric wire to the outside.
With
The housing is
The first main body side outer wall body and the second main body side outer wall body arranged to face each other, and the third main body side outer wall arranged orthogonally to each one end side of each of the first main body side outer wall body and the second main body side outer wall body. A main body having a tubular body-side outer peripheral wall provided with a body at least, and a main body in which the electronic components and the electric wires are housed in a storage chamber inside the main body-side outer peripheral wall.
The first cover side outer wall body and the second cover side outer wall body arranged to face each other, and the third cover side outer wall body arranged perpendicular to these on one end side of the first cover side outer wall body and the second cover side outer wall body. A cover member having at least a tubular cover-side outer peripheral wall, and fitting the opening-side end of the cover-side outer peripheral wall to the opening-side end of the main body-side outer peripheral wall to close the opening of the main body.
A rotation support structure that relatively rotates the main body and the cover member when the main body and the cover member are fitted together.
With
The rotation support structure is provided at the concave bearing portion provided at the end portion of the outer peripheral wall on the main body side on the outer wall side of the third main body side and at the end portion of the outer peripheral wall on the cover side on the outer wall side of the third cover side. A rotating shaft portion that is rotatably accommodated in the bearing portion during the relative rotation and a guide mechanism that can guide the rotating shaft portion to the bearing portion are provided.
The guide mechanism includes a connecting wall surface that connects the sliding wall surface of the bearing portion during rotation of the rotating shaft portion to the outer wall surface of the third main body side outer wall body, and the rotating shaft portion of the first main body. A first guide portion capable of guiding while sliding to the outer wall surface of the third main body side outer wall body along the respective end faces of the side outer wall body and the opening side of the main body in the second main body side outer wall body. A second guide portion capable of guiding the rotating shaft portion guided by the first guide portion while sliding along the outer wall surface of the third main body side outer wall body to the connecting wall surface, and the first guide portion. 2 A wire harness characterized by comprising a third guide portion capable of guiding the rotating shaft portion guided by the guide portion while sliding the rotating shaft portion along the connecting wall surface to the bearing portion.

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