Resin body and electrical junction box

Abstract

To provide a resin body and an electric connection box which are excellent in rattle inhibiting of a terminal in an electric wire with a terminal.SOLUTION: A resin body 40 is configured so as to be capable of holding an electric wire 50 with a terminal having an L-shaped terminal 52, a first wall part 41 extending in a first direction and a pair of second wall parts 43 capable of regulating displacement in a second direction of the terminal 52 are integrally configured, each of the pair of second wall parts 43 is provided with a mounting part 44 capable of being mounted with a mating connection part 54, and a first regulation part 45 for sandwiching the mating connection part 54 together with the mounting part 44 in the first direction so as to regulate the displacement in the first direction of the terminal 52, and the first wall part 41 is provided with a second regulation part 46 for sandwiching the mating connection part 54 together with the mounting part 44 in a third direction so as to regulate the displacement in the third direction of the terminal 52, and a third regulation part 47 for sandwiching the mating connection part 54 together with the mounting pat 44 in the first direction so as to regulate the displacement in the first direction of the terminal 52.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a resin body and an electrical junction box. [Background technology]

[0002] Conventionally, electrical junction boxes have been proposed that are mounted on vehicles and house various electronic components such as fuses, relays, and electronic control units inside a housing space. For example, one conventional electrical junction box includes a housing having a housing space, a stud bolt that is provided in the internal space of the housing and is electrically connected to the electronic components, and a side cover that is attached to the housing at a location where the stud bolt is provided (for example, see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2013-74655 A Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, before the side cover is assembled to the housing of the electrical connection box, an electric wire with a terminal having an electric wire and an L-shaped terminal is assembled. For this reason, the side cover is provided with a locking portion for locking the terminal in order to suppress rattling of the terminal. On the other hand, in order to suppress rattling of the terminal, it is preferable that the locking portion and the terminal are configured to be in close contact with each other, but since the terminal is L-shaped, a clearance is provided between the locking portion and the terminal from the viewpoint of the assembling work of the electric wire with terminal to the side cover. For this reason, rattling of the terminal may not be sufficiently suppressed, which may make it difficult to position the terminal on the stud bolt. In addition, if rattling of the terminal cannot be sufficiently suppressed, pulling the electric wire in the electric wire with terminal to pull it in a desired direction may cause rattling of the terminal, making it difficult to pull the electric wire in a desired direction.

[0005] The present invention has been made in consideration of the above-mentioned circumstances, and an object of the present invention is to provide a resin body and an electrical junction box that are excellent in suppressing rattling of a terminal in an electric wire with a terminal. [Means for solving the problem]

[0006] In order to achieve the above-mentioned object, the resin body according to the present invention has the following features.

[0007] A resin body configured to be capable of holding a terminal-attached electric wire having an L-shaped terminal consisting of an electric wire-side connection portion and a mating connection portion, and to be assembled into a housing that houses an electronic component therein, A first wall portion extending in a first direction; a pair of second wall portions that are spaced apart from each other in a second direction intersecting the first direction and that are capable of restricting displacement of the terminal in the second direction; Each of the pair of second walls has a mounting portion on which the mating connection portion can be mounted; a first restricting portion configured to sandwich the mating connection portion together with the placement portion in the first direction so as to restrict displacement of the terminal in the first direction, The first wall portion has a second restricting portion that, together with the placement portion, sandwiches the mating connection portion in the third direction so as to restrict displacement of the terminal in the third direction intersecting the first direction and the second direction; a third restricting portion configured to sandwich the mating connection portion in the first direction together with the placement portion so as to restrict displacement of the terminal in the first direction; It is made of resin.

[0008] In order to achieve the above-mentioned object, the electrical junction box according to the present invention has the following features.

[0009] An electric connection box including the resin body, an electric wire with a terminal, and a housing that houses an electronic component therein, The electric wire with terminal has an electric wire and an L-shaped terminal, The terminal is a wire-side connection portion extending in the first direction and connected to the wire; and a mating connection portion extending in the third direction and connected to a stud bolt provided in the housing. It is an electrical junction box. Effect of the Invention

[0010] The resin body and the electrical junction box according to the present invention will be described below. According to the resin body and electrical junction box of this configuration, a pair of second walls sandwich the mating connection portion in the second direction, thereby restricting displacement of the terminal in the second direction. Similarly, the mounting portion and the first restricting portion, and the mounting portion and the third restricting portion, each sandwich the mating connection portion in the first direction, thereby restricting displacement of the terminal in the first direction. Similarly, the mounting portion and the second restricting portion sandwich the mating connection portion in the third direction, thereby restricting displacement of the terminal in the third direction. In this way, the resin body of this configuration restricts displacement of the terminal in all directions, thereby suppressing rattling of the terminal.

[0011] The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading the following description of the embodiment of the present invention (hereinafter, referred to as "embodiment") with reference to the accompanying drawings. [Brief description of the drawings]

[0012] [Figure 1] FIG. 1 is an exploded rear perspective view of a main portion of an electrical junction box including a side cover according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a front perspective view of the side cover and the electric wire with terminal shown in FIG. [Diagram 3] FIG. 3 is an exploded perspective view of a main part of FIG. [Figure 4] FIG. 4 is a front view of FIG. [Diagram 5] FIG. 5 is a cross-sectional view taken along line AA of FIG. [Figure 6] FIG. 6 is a cross-sectional view of the side cover shown in FIG. 2, which corresponds to FIG. [Figure 7] FIG. 7 is a top view of FIG. [Figure 8] FIG. 8 is a first diagram showing a process of assembling an electric wire with a terminal to a side cover. [Figure 9] FIG. 9 is a second diagram showing the process of assembling the electric wire with terminal to the side cover. [Figure 10] FIG. 10 is a cross-sectional view taken along line BB of FIG. [Figure 11] FIG. 11 is a front perspective view of a side cover and an electric wire with a terminal according to a modified example. [Figure 12] 12 is a front perspective view of the side cover shown in FIG. 11 as viewed from the right side. [Figure 13] 13 is a front perspective view of the side cover shown in FIG. 11 as viewed from the left side. [Figure 14] FIG. 14 is a cross-sectional view of the side cover shown in FIG. 12, which corresponds to FIG. [Figure 15] FIG. 15 is a cross-sectional view corresponding to FIG. 6 of the side cover and the electric wire with terminal shown in FIG. [Figure 16] FIG. 16 is a diagram showing a process of assembling an electric wire with a terminal to the side cover shown in FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] <Embodiment> Hereinafter, with reference to the drawings, a side cover 40 according to an embodiment of the present invention shown in Fig. 1 etc. will be described. The side cover 40 is a resin molded body that is attached to a side wall portion 11 of an electric junction box 1. The electric junction box 1 is typically a relay box that is mounted on a vehicle and has an internal space for accommodating electronic components such as relays and other electronic components R (see Figs. 2 and 3).

[0014] For ease of explanation, the following definitions are used for "front," "rear," "left," "right," "upper," and "lower," as shown in FIG. 1 etc. The "front-rear direction," "left-right direction," and "upper-lower direction" are mutually perpendicular. When the electrical junction box 1 is mounted on a vehicle, the "front-rear direction," "left-right direction," and "upper-lower direction" correspond to the front-rear direction, left-right direction, and upper-lower direction of the vehicle, respectively. The upper-lower direction corresponds to the "first direction" of the present invention. Furthermore, the left-right direction corresponds to the "second direction" of the present invention. Furthermore, the front-rear direction corresponds to the "third direction" of the present invention.

[0015] 1, the electrical junction box 1 is composed of a frame 10, a lower cover 20 attached to the lower side of the frame 10 so as to close the lower opening of the frame 10, an upper cover 30 attached to the upper side of the frame 10 so as to close the upper opening of the frame 10, and a side cover 40 (corresponding to the "resin body" of the present invention) attached to a side wall portion 11 of the frame 10. All of the above four parts constituting the electrical junction box 1 are resin molded bodies.

[0016] 1, in the electric junction box 1, an electric wire (not shown) that is conductively connected to a part of an electronic component R located inside the electric junction box 1 is led out to the outside of the electric junction box 1 through an electric wire outlet hole (not shown) provided in the rear left part of the electric junction box 1. Furthermore, an electric wire (not shown) that is conductively connected to a part of another electronic component R is led out to the outside of the electric junction box 1 through an electric wire outlet hole (not shown) provided in the front right part of the electric junction box 1.

[0017] In addition, the electric wires with terminals 50 held by the side cover 40 are connected and fastened to the stud bolts S provided in the internal space of the electrical junction box 1, and are led out to the outside of the electrical junction box 1 through the accommodating portion 42 of the side cover 40.

[0018] The electric wire with terminal 50 is composed of an electric wire 51 and a terminal 52 connected to an end of the electric wire 51 (see Figs. 2 to 3). One end of the electric wire 51 is connected to the terminal 52, and the other end is connected to, for example, a battery or an alternator. As shown in Figs. 2 to 3, 6, and 8 to 9, the terminal 52 is formed in a substantially L-shape by integrally forming an electric wire-side connection part 53 extending in the vertical direction and connected to the electric wire 51, and a mating connection part 54 extending forward and connected to and fastened to a stud bolt S. The mating connection part 54 is provided with a hole that penetrates in the vertical direction and through which the stud bolt S is inserted. The frame 10, the lower cover 20, the upper cover 30, and the side cover 40 that constitute the electric junction box 1 will be described in order below.

[0019] First, a description will be given of the frame 10. As shown in Fig. 1, the frame 10 has a side wall portion 11 having a generally rectangular tubular shape extending in the vertical direction. The side wall portion 11 constitutes most of the external appearance of the side surface of the electrical junction box 1.

[0020] The side wall 11 has, at its lower end, a plurality of circumferential locations (eight locations in this example) on its outer surface, each of which is integrally provided with an interlocking portion 12 including a through hole extending in the up-down direction. The interlocking portions 12 function to assemble the lower cover 20 to the frame 10. The side wall 11 has, at its upper end, a plurality of circumferential locations (three locations in this example) on its outer surface, each of which is integrally provided with an interlocking portion 13. The interlocking portions 13 function to assemble the upper cover 30 to the frame 10.

[0021] A semi-cylindrical gutter 14 that opens downward is provided in a portion of side wall 11 corresponding to the electric wire outlet hole in the rear left portion, so as to extend diagonally in a lower left direction. Gutter 14 functions to form the upper portion of the inner wall that defines the electric wire outlet hole in the rear left portion. Moreover, a semi-cylindrical gutter 15 that opens downward is provided in a portion of side wall 11 corresponding to the electric wire outlet hole in the front right portion, so as to extend rightward. Gutter 15 functions to form the upper portion of the inner wall that defines the electric wire outlet hole in the front right portion.

[0022] Stay portions 16 extending downward are integrally provided on the outer surface of a plurality of circumferential positions at the lower end of the side wall portion 11. The stay portions 16 have a function of fixing the frame 10 (i.e., the electrical junction box 1) to a mounting position of the vehicle by assembling their tips to the mounting position of the vehicle.

[0023] An attachment portion 17 to which the side cover 40 is attached is provided on the side wall portion 11 near the stud bolt S (rearward in this example). The attachment portion 17 is provided with, for example, a locking portion (not shown) to which a locking portion (not shown) of the side cover 40 is locked.

[0024] Next, the lower cover 20 will be described. As shown in Fig. 1, the lower cover 20 is integrally provided with an annular side wall portion 21 that constitutes most of the appearance of the lower side surface of the electrical junction box 1, and a bottom wall portion 22 that closes an annular lower end opening of the side wall portion 21 and constitutes most of the appearance of the bottom surface of the electrical junction box 1. The annular upper edge portion of the side wall portion 21 has a shape that corresponds to the annular lower edge portion of the side wall portion 11 of the frame 10, and is capable of fitting with the annular lower edge portion of the side wall portion 11.

[0025] On the outer surface of the upper end portion of the side wall portion 21 at multiple circumferential locations (eight locations in this example), upwardly extending locking pieces 23 are integrally provided, each of which corresponds to the multiple locked portions 12 of the frame 10.

[0026] A semi-cylindrical gutter 24 that opens upward is provided in a portion of side wall 21 corresponding to the electric wire withdrawal hole in the rear left portion, so as to extend diagonally in a lower left direction. Gutter 24 functions to form the lower portion of the inner wall that defines the electric wire withdrawal hole in the rear left portion. Moreover, a semi-cylindrical gutter 25 that opens upward is provided in a portion of side wall 21 corresponding to the electric wire withdrawal hole in the front right portion, so as to extend rightward. Gutter 24 functions to form the lower portion of the inner wall that defines the electric wire withdrawal hole in the front right portion.

[0027] Next, the upper cover 30 will be described. As shown in Fig. 1, the upper cover 30 integrally comprises an annular side wall portion 31 that constitutes most of the appearance of the upper side surface of the electrical junction box 1, and an upper wall portion 32 that closes the annular upper end opening of the side wall portion 31 and constitutes most of the appearance of the upper surface of the electrical junction box 1. The annular lower end edge portion of the side wall portion 31 has a shape corresponding to the annular upper end edge portion of the side wall portion 11 of the frame 10, and is capable of fitting with the annular upper end edge portion of the side wall portion 11. Locking portions 33 are integrally provided on the outer surface of the side wall portion 31 at multiple locations in the circumferential direction (three locations in this example) so as to correspond to the multiple locked portions 13 of the frame 10.

[0028] Next, the side cover 40 will be described. As shown in Fig. 2 to Fig. 5, the side cover 40 is integrally formed with a first wall portion 41 extending in the up-down direction and a pair of second wall portions 43 arranged spaced apart in the left-right direction. As a result, the side cover 40 defines an accommodation portion 42 for the terminal-attached electric wire 50, which opens forward and in the up-down direction.

[0029] In this embodiment, the second wall portion 43 is provided at both the left and right ends and in an approximately central region in the left-right direction of the first wall portion 41. This allows a pair of storage portions 42 to be disposed adjacent to each other in the left-right direction. Note that, with respect to the second wall portion 43 in the approximately central region in the left-right direction, the lower region in the up-down direction is integrally formed.

[0030] That is, the first wall 41 functions as a so-called bottom wall, the second wall 43 at both left and right ends functions as so-called side walls, and the second wall in the approximately left and right central region functions as a so-called partition wall between adjacent storage sections 42. The second wall 43 also functions to restrict left and right displacement of the terminal 52 (particularly the mating connection section 54) when the electric wire with terminal 50 is held (see FIG. 7).

[0031] The first wall 41 is composed of a first portion 41a located in the lower region in the vertical direction, a second portion 41b located in the upper region in the vertical direction, and a third portion 41c located between the first portion 41a and the second portion 41b. The first portion 41a is located rearward of the second portion 41b. This ensures a space necessary for the assembly operation of the terminal-attached electric wire 50 to the side cover 40 while suppressing rattling of the terminal 52, as described later.

[0032] Each second wall portion 43 is provided with a placement portion 44 on which a mating connection portion 54 of the electric wire with terminal 50 is placed, protruding toward the inside of the corresponding accommodating portion 42 (see Figs. 4 and 5). Also, each second wall portion 43 is provided with a first restriction portion 45 disposed above and forward of the placement portion 44, protruding toward the inside of the corresponding accommodating portion 42. The first restriction portion 45 has a function of restricting vertical displacement of the terminal 52 (particularly the mating connection portion 54) by vertically sandwiching the mating connection portion 54 together with the placement portion 44 when the electric wire with terminal 50 is held (see Fig. 6).

[0033] A pair of second restricting portions 46 are provided at locations of the first wall portion 41 (specifically, the third portion 41c) corresponding to each accommodating portion 42, spaced apart in the left-right direction of the accommodating portion 42, so as to protrude forward (see FIG. 4). When the electric wire with terminal 50 is held in a held state, the second restricting portions 46, together with the placing portion 44, sandwich the mating connection portion 54 in the front-rear direction, thereby restricting the displacement of the terminal 52 (particularly the mating connection portion 54) in the front-rear direction (see FIG. 6).

[0034] A pair of third restricting portions 47 spaced apart in the left-right direction are provided at locations of the first wall portion 41 (specifically, the second portion 41b) corresponding to each of the accommodating portions 42 so as to protrude forward (see Figs. 2-3 and 5-6). The third restricting portions 47, together with the mounting portion 44, vertically sandwich the mating connection portion 54, thereby restricting the vertical displacement of the terminals 52 (particularly the mating connection portion 54) (see Fig. 6).

[0035] The above describes the frame 10, the lower cover 20, the upper cover 30, and the side cover 40 that constitute the electrical junction box 1. In order to assemble the electrical junction box 1 consisting of the frame 10, the lower cover 20, the upper cover 30, and the side cover 40, it is necessary to assemble the lower cover 20, the upper cover 30, and the side cover 40 to the frame 10, respectively.

[0036] First, the lower cover 20 is assembled to the frame 10. To assemble the lower cover 20 to the frame 10, the multiple locking pieces 23 (see FIG. 1) of the lower cover 20 are inserted from below into the multiple through holes of the locked portions 12 (see FIG. 1) of the frame 10, and from this state, the annular upper edge portion of the side wall portion 21 of the lower cover 20 is fitted into the annular lower edge portion of the side wall portion 11 of the frame 10, and the multiple locking pieces 23 are engaged with the multiple locked portions 12. This completes the assembly of the lower cover 20 to the frame 10.

[0037] Thereafter, the electric wires with terminals 50 are attached to the side cover 40 (details will be described later). Thereafter, the side cover 40 is attached to the frame 10. In order to attach the side cover 40 to the frame 10, the electric wires with terminals 50 are connected and fastened to the stud bolts S, and the side cover 40 is attached to the attachment portion 17 of the frame 10.

[0038] Specifically, the hole 55 of the terminal 52 in the electric wire with terminal 50 is inserted into the stud bolt S, and the nut N is tightened, thereby connecting and fastening the electric wire with terminal 50 to the stud bolt S. Thereafter, the locking portion (not shown) of the side cover 40 is locked to the locked portion (not shown) of the frame 10. This completes the assembly of the side cover 40 to the frame 10.

[0039] Thereafter, the upper cover 30 is assembled to the frame 10. To assemble the upper cover 30 to the frame 10, the annular lower edge portion of the side wall portion 31 of the upper cover 30 is fitted into the annular upper edge portion of the side wall portion 11 of the frame 10, and the multiple locking portions 33 of the upper cover 30 are locked to the multiple locked portions 12 of the frame 10. This completes the assembly of the upper cover 30 to the frame 10.

[0040] In this way, the lower cover 20, the upper cover 30, and the side cover 40 are respectively assembled to the frame 10, thereby completing the electrical junction box 1. Note that the order of the assembly process of the lower cover 20 to the frame 10 and the assembly process of the side cover 40 to the frame 10 does not matter.

[0041] When the assembly of the electrical junction box 1 is complete, the engagement between the multiple locking pieces 23 and the multiple locked portions 12 prevents the lower cover 20 from being separated downward from the frame 10. Similarly, the engagement between the multiple locking portions 33 and the multiple locked portions 13 prevents the upper cover 30 from being separated upward from the frame 10. Similarly, the engagement between the locked portions (not shown) of the frame 10 and the multiple locking portions (not shown) of the side cover 40 prevents the side cover 40 from being separated rearward from the frame 10.

[0042] Furthermore, an electric wire insertion passage through which the terminal-attached electric wire 50 is inserted is defined by the outer surface of the mounting portion 17 of the frame 10 and the inner surface of the accommodating portion 42 of the side cover 40 (not shown). Similarly, a rear left electric wire outlet hole through which the electric wire (not shown) is inserted is defined by the gutter-shaped portion 14 of the frame 10 and the gutter-shaped portion 24 of the lower cover 20. Similarly, a front right electric wire outlet hole through which the electric wire (not shown) is inserted is defined by the gutter-shaped portion 15 of the frame 10 and the gutter-shaped portion 25 of the lower cover 20.

[0043] Next, a method for assembling the electric wire with terminal 50 to the side cover 40 will be described with reference to Fig. 8 and Fig. 9. First, the upper end of the electric wire with terminal 50 is tilted backward, and the mating connection portion 54 is inserted into the gap between the mounting portion 44 and the second restricting portion 46 and between the mounting portion 44 and the third restricting portion 47 (see Fig. 8).

[0044] After the mating connection part 54 is inserted to a predetermined position, the electric wire with terminal 50 is rotated around the contact point between the placement part 44 and the inside corner part or the vicinity of the inside corner part of the wire-side connection part 53 and the mating connection part 54 (see the arrow in FIG. 9). The mating connection part 54 climbs over the first restriction part 45 from above to below during the rotation, and then reaches a predetermined position. This allows the electric wire with terminal 50 to be assembled to the side cover 40. In other words, the electric wire with terminal 50 is held by the side cover 40 (see FIG. 2 and FIGS. 6 to 7).

[0045] In the held state, the electric wire with terminal 50 has the mating connection portion 54 sandwiched in the left-right direction between the pair of second wall portions 43, thereby restricting the left-right displacement of the terminal 52 (see FIG. 7). Similarly, in the held state, the electric wire with terminal 50 has the mating connection portion 54 sandwiched in the top-bottom direction between the placing portion 44 and the first restricting portion 45, and between the placing portion 44 and the third restricting portion 47, thereby restricting the up-down displacement of the terminal 52 (see FIG. 6). Similarly, in the held state, the mating connection portion 54 has the mating connection portion 54 sandwiched in the front-rear direction between the placing portion 44 and the second restricting portion 46, thereby restricting the front-rear displacement of the terminal 52 (see FIG. 6).

[0046] In addition, by providing the mounting portion 44 and the first regulating portion 45 at different positions in the front-to-rear direction with respect to the mating connection portion 54 extending in the front-to-rear direction, the side cover 40 can more appropriately suppress rattling of the terminal 52 (in particular, lifting up of the front end of the mating connection portion 54).

[0047] In this way, the side cover 40 restricts the displacement of the terminals 52 in all directions, thereby suppressing rattling of the terminals 52. This improves the positioning accuracy of the holes 55 of the terminals 52 in the electric wire with terminal 50, and for example, when assembling the side cover 40 to the frame 10, the electric wire with terminal 50 can be easily connected and fastened to the stud bolt S. In addition, rattling of the terminals 52 due to pulling on the electric wire 51 is suppressed, so that the electric wire 51 can be drawn in a desired direction.

[0048] The work of assembling the electric wire with terminal 50 to the side cover 40 can be performed in a so-called one-action manner, and the assembling workability is excellent.

[0049] <Other forms> The present invention is not limited to the above-described embodiment, and can be appropriately modified, improved, etc. In addition, the material, shape, size, number, arrangement location, etc. of each component in the above-described embodiment are arbitrary as long as the present invention can be achieved, and are not limited.

[0050] As shown in FIG. 10, the surface (lower end surface in this example) of the first restricting portion 45 facing the mating connecting portion 54 may be formed in an inclined shape approaching the mating connecting portion 54 from the protruding tip toward the protruding base end. In general, a clearance must be provided between the locking portion and the locked member locked to the locking portion. For this reason, the locked member may wobble only due to the size of the clearance. However, with the above-mentioned configuration, while providing a necessary clearance between the first restricting portion 45 and the mating connecting portion 54, the clearance can be made small at the protruding base end of the first restricting portion 45, so that wobbling of the terminal 52 can be more appropriately suppressed. The first restricting portion 145 described later may also be formed as described above.

[0051] <Modification> Hereinafter, a side cover 140 according to a modification of the above embodiment (side cover 40) will be described with reference to FIGS.

[0052] First, a specific structure of the side cover 140 will be described. As shown in Fig. 11 to Fig. 13, the side cover 140 is integrally formed with a first wall portion 141 extending in the up-down direction and a pair of second wall portions 143 spaced apart in the left-right direction. As a result, the side cover 140 defines an accommodating portion 142 for the terminal-attached electric wire 50 that opens forward and in the up-down direction. In other words, the first wall portion 141 functions as a so-called bottom wall, and the pair of second wall portions 143 function as so-called side walls.

[0053] The first wall portion 141 is composed of a first portion 141a located in the lower region in the vertical direction, a second portion 141b located in the upper region in the vertical direction, and a third portion 141c located between the first portion 141a and the second portion 141b.

[0054] Similar to the second wall 43 of the above embodiment, the second wall 143 has a function of restricting the left-right displacement of the terminal 52 (particularly the mating connection portion 54) when the terminal-fitted electric wire 50 is held.

[0055] Within the accommodating portion 142, a placement portion 144 on which the mating connection portion 54 of the terminal-fitted electric wire 50 is placed is provided so as to connect the pair of second wall portions 143 in the left-right direction (see Figs. 12 and 13).

[0056] A first restricting portion 145 is disposed above and forward of the mounting portion 144 within the accommodating portion 142 on the left second wall portion 143 so as to protrude toward the right (see Figs. 11 to 12 and Figs. 14 to 16). When the electric wire with terminal 50 is held in a held state, the first restricting portion 145 vertically sandwiches the terminal 52 together with the mounting portion 144, thereby restricting vertical displacement of the terminal 52 (particularly the mating connection portion 54) (see Fig. 15).

[0057] A pair of second restricting portions 146 are provided on the first wall portion 141 (specifically, the third portion 141c) so as to protrude forward within the accommodating portion 142 and spaced apart in the left-right direction (see FIG. 14). The second restricting portions 146, together with the placing portion 144, sandwich the terminal 52 in the front-rear direction when the terminal-fitted electric wire 50 is held, thereby restricting the displacement of the terminal 52 (particularly the mating connection portion 54) in the front-rear direction (see FIG. 6).

[0058] A pair of third restricting portions 147 are provided on the first wall portion 41 (specifically, the second portion 41b) so as to protrude forward and be spaced apart in the left-right direction within the accommodation portion 142. The third restricting portions 147, together with the mounting portion 144, vertically sandwich the mating connection portion 54, thereby restricting the vertical displacement of the terminal 52 (particularly, the mating connection portion 54) (see FIG. 15).

[0059] The second wall portion 143 on the right side is provided with a cutout portion 149 cut into a shape corresponding to the terminal 52 of the electric wire with terminal 50 (see Figs. 11 to 13 and 16). The cutout portion 149 is composed of a first cutout portion 149a cut out to correspond to the electric wire-side connection portion 53 of the electric wire with terminal 50 and a second cutout portion 149b cut out to correspond to the mating connection portion 54 of the electric wire with terminal 50, and the first cutout portion 149a and the second cutout portion 149b are in communication with each other. The cutout portion 149 functions as an insertion opening when the electric wire with terminal 50 is accommodated in the accommodating portion 142.

[0060] In this example, the side cover 140 has been described in which there is one storage section 142, but a plurality of storage sections 142 may be arranged side by side in the left-right direction, like the storage section 42 in the above embodiment. For example, when there are two storage sections 142, the notch section 149 is provided in the right second wall section 143 and the left second wall section 143, respectively.

[0061] Next, a method of assembling the electric wire with terminal 50 to the side cover 140 will be described. First, the electric wire with terminal 50 is placed on the right side of the side cover 140, and then the upper end of the electric wire with terminal 50 is tilted backward to bring the electric wire with terminal 50 closer to the side cover 140 (see FIG. 16).

[0062] Then, the electric wire with terminal 50 is inserted into the accommodating portion 142 through the notch portion 149. After the electric wire with terminal 50 is inserted into the accommodating portion 142, the electric wire with terminal 50 is rotated around the contact point between the placement portion 144 and the inside corner portion or the vicinity of the inside corner portion of the electric wire side connection portion 53 and the mating connection portion 54. The mating connection portion 54 climbs over the first restriction portion 145 from above to below during the rotation, and reaches a predetermined position. As a result, the electric wire with terminal 50 is assembled to the side cover 140. In other words, the electric wire with terminal 50 is held by the side cover 140 (see Figs. 11 and 15). The rotation is performed in a direction that returns the inclination of the electric wire with terminal 50 to its original position.

[0063] In the held state, the electric wire with terminal 50 has the mating connection portion 54 sandwiched between the pair of second wall portions 143 in the left-right direction, thereby restricting the left-right displacement of the terminal 52 (see FIG. 11). Similarly, in the held state, the electric wire with terminal 50 has the mating connection portion 54 sandwiched between the placing portion 144 and the first restricting portion 145, and between the placing portion 144 and the third restricting portion 147 in the up-down direction, thereby restricting the up-down displacement of the terminal 52 (see FIG. 15). Similarly, in the held state, the mating connection portion 54 has the mating connection portion 54 sandwiched between the placing portion 144 and the second restricting portion 146 in the front-rear direction, thereby restricting the front-rear displacement of the terminal 52 (see FIG. 15).

[0064] In addition, by providing the mounting portion 144 and the first regulating portion 145 at different positions in the front-to-rear direction with respect to the mating connection portion 54 extending in the front-to-rear direction, the side cover 140 can more appropriately suppress rattling of the terminal 52 (in particular, lifting up of the front end of the mating connection portion 54).

[0065] In this way, the side cover 140 restricts the displacement of the terminals 52 in all directions, thereby suppressing rattling of the terminals 52. This improves the positioning accuracy of the holes 55 of the terminals 52 in the electric wire with terminal 50, and for example, when assembling the side cover 140 to the frame 10, the electric wire with terminal 50 can be easily connected and fastened to the stud bolt S. In addition, rattling of the terminals 52 due to pulling on the electric wire 51 is suppressed, so that the electric wire 51 can be drawn in a desired direction.

[0066] The work of assembling the electric wire with terminal 50 to the side cover 140 can be performed in a so-called one-action manner, and assembling workability is excellent.

[0067] Moreover, since the electric wire with terminal 50 is inserted into the housing portion 142 of the side cover 140 along the left-right direction, the distance between the first portion 141a and the second portion 141b in the front-rear direction can be made shorter than in the above embodiment. That is, the side cover 140 can be made more compact. Furthermore, since the second wall portion 143 is provided with the cutout portion 149, the electric wire with terminal 50 can be easily housed in the housing portion 142.

[0068] Here, the features of the embodiments of the resin body and the electrical junction box according to the present invention described above will be briefly summarized and listed in the following [1] to [4]. [1] A resin body (side cover 40, 140) configured to be capable of holding a terminal-attached electric wire (50) having an L-shaped terminal (52) consisting of an electric wire-side connecting portion (53) and a mating connecting portion (54), and to be assembled to a housing (frame 10, lower cover 20, upper cover 30) that houses an electronic component (R), A first wall portion (41, 141) extending in a first direction; a pair of second walls (43, 143) that are spaced apart from each other in a second direction intersecting the first direction and that can restrict displacement of the terminal (52) in the second direction, Each of the pair of second walls (43, 143) has a mounting portion (44, 144) on which the mating connection portion (54) can be mounted; a first restricting portion (45, 145) configured to sandwich the mating connection portion (54) in the first direction together with the placement portion (44, 144) so ​​as to restrict displacement of the terminal (52) in the first direction, The first wall portion (41, 141) has a second restricting portion (46, 146) configured to sandwich the mating connection portion (54) together with the placement portion (44, 144) in the third direction so as to restrict displacement of the terminal (52) in the third direction intersecting the first direction and the second direction; and a third restricting portion (47, 147) configured to sandwich the mating connection portion (54) in the first direction together with the placement portion (44, 144) so ​​as to restrict displacement of the terminal (52) in the first direction. Resin body (side cover 40, 140). [2] In the resin body (side cover 40, 140) described in [1] above, The placement portion (44, 144) and the first restriction portion (45, 145) The mating connection portion (54) is provided at different positions in the third direction, which is the extension direction of the mating connection portion (54). Resin body (side cover 40, 140). [3] In the resin body (side cover 140) according to the above [1] or [2], The first wall portion (141) and the second wall portion (143) define a housing portion (142) in which the terminal-fitted electric wire (50) is housed, The second wall portion (143) is provided with a notch portion (149) through which the terminal-attached electric wire (50) can be inserted into the accommodating portion (142) along the second direction. Resin body (side cover 140). [4] An electric connection box (1) including the resin body (side cover 40, 140) according to any one of the above [1] to [3], an electric wire with terminal (50), and a housing (frame 10, lower cover 20, upper cover 30) that houses an electronic component (R), The electric wire with terminal (50) includes an electric wire (51) and an L-shaped terminal (52), The terminal (52) is an electric wire side connection portion (53) extending in the first direction and connected to the electric wire (51); and a mating connection portion (54) extending in the third direction and connected to a stud bolt (S) provided in the housing. Electrical junction box(1).

[0069] According to the resin body having the configuration [1] above, the pair of second walls sandwich the mating connection portion in the second direction, thereby restricting the displacement of the terminal in the second direction. Similarly, the mounting portion and the first restricting portion, and the mounting portion and the third restricting portion, each sandwich the mating connection portion in the first direction, thereby restricting the displacement of the terminal in the first direction. Similarly, the mounting portion and the second restricting portion sandwich the mating connection portion in the third direction, thereby restricting the displacement of the terminal in the third direction. In this way, the resin body of this configuration restricts the displacement of the terminal in all directions, thereby suppressing rattling of the terminal.

[0070] According to the resin body having the configuration [2] above, the placement portion and the first restricting portion are provided at different positions in the third direction relative to the mating connection portion extending in the third direction, thereby making it possible to more appropriately suppress rattling of the terminal.

[0071] According to the resin body having the configuration [3] above, a cutout portion is provided in the second wall portion through which the electric wire with terminal can be inserted into the accommodating portion along the second direction, making it easy to accommodate the electric wire with terminal in the resin body.

[0072] According to the electrical connection box having the configuration of [4] above, the pair of second walls sandwich the mating connection portion in the second direction, thereby restricting the displacement of the terminal in the second direction. Similarly, the placement portion and the first restricting portion, and the placement portion and the third restricting portion, each sandwich the mating connection portion in the first direction, thereby restricting the displacement of the terminal in the first direction. Similarly, the placement portion and the second restricting portion sandwich the mating connection portion in the third direction, thereby restricting the displacement of the terminal in the third direction. In this way, the resin body of this configuration restricts the displacement of the terminal in all directions, thereby suppressing rattling of the terminal. [Explanation of symbols]

[0073] 1 Electrical junction box 10 Frames 11, 21, 31 Side wall 12,13 Locked part 14,15,24,25 Gutter-shaped part 16 Stay part 17 Assembled part 20 Lower cover 22 Bottom wall 23 Locking piece 30 Upper cover 32 Upper wall 33 Locking part 40,140 Side cover (plastic body) 41,141 1st wall 41a,141a Part 1 41b,141b 2nd part 41c,141c 3rd part 42,142 Storage unit 43,143 2nd wall 44,144 Placement section 45,145 First Regulatory Department 46,146 Second Regulatory Department 47,147 Third Regulatory Department 149 Cutout 149a First notch 149b Second cutout 50 Wire with terminal 51 Electric wire 52 Terminals 53 Wire side connection part 54 Counterpart connection part 55 Hole N Nut R Electronic parts S stud bolt

Claims

1. A resin body configured to be capable of holding a terminal-attached electric wire having an L-shaped terminal consisting of an electric wire-side connection portion and a mating connection portion, the resin body being to be assembled into a housing that accommodates an electronic component therein, A first wall portion extending in a first direction; a pair of second wall portions that are spaced apart from each other in a second direction intersecting the first direction and that are capable of restricting displacement of the terminal in the second direction, Each of the pair of second walls has a mounting portion on which the mating connection portion can be mounted; a first restricting portion configured to sandwich the mating connection portion together with the placement portion in the first direction so as to restrict a displacement of the terminal in the first direction, The first wall portion has a second restricting portion that, together with the placement portion, sandwiches the mating connection portion in the third direction so as to restrict displacement of the terminal in the third direction intersecting the first direction and the second direction; a third restricting portion configured to sandwich the mating connection portion in the first direction together with the placement portion so as to restrict displacement of the terminal in the first direction, Resin body.

2. The resin body according to claim 1 , The placement portion and the first restriction portion are The mating connection portion is provided at different positions in the third direction, which is an extension direction of the mating connection portion. Resin body.

3. The resin body according to claim 1 or 2, The first wall portion and the second wall portion define an accommodation portion in which the terminal-attached electric wire is accommodated, The second wall portion is provided with a notch portion through which the terminal-attached electric wire can be inserted into the accommodating portion along the second direction. Resin body.

4. An electrical connection box comprising the resin body according to claim 1, an electric wire with a terminal, and a housing for accommodating an electronic component therein, The electric wire with terminal has an electric wire and an L-shaped terminal, The terminal is a wire-side connection portion extending in the first direction and connected to the wire; a mating connection portion extending in the third direction and connected to a stud bolt provided in the housing, Electrical junction box.

Images