WO2017090597A1 - Electric connection box - Google Patents

Electric connection box Download PDF

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Publication number
WO2017090597A1
WO2017090597A1 PCT/JP2016/084579 JP2016084579W WO2017090597A1 WO 2017090597 A1 WO2017090597 A1 WO 2017090597A1 JP 2016084579 W JP2016084579 W JP 2016084579W WO 2017090597 A1 WO2017090597 A1 WO 2017090597A1
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WO
WIPO (PCT)
Prior art keywords
wire
connection blocks
connection
bundles
main body
Prior art date
Application number
PCT/JP2016/084579
Other languages
French (fr)
Japanese (ja)
Inventor
健一 猪越
Original Assignee
住友電装株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2017090597A1 publication Critical patent/WO2017090597A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/14—Fastening of cover or lid to box
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box

Definitions

  • the present invention relates to an electrical junction box, and more particularly to an electrical junction box suitable for a power distribution unit mounted on a vehicle.
  • a power distribution unit having a plurality of mounting parts such as relays on the upper surface side is housed in a frame-like case, and a part of the case is connected to the lower surface side of the power distribution unit.
  • a guide wall section that divides the electric wire group into unit electric wire groups for each connector for example, see Patent Document 1.
  • the power distribution unit is composed of a plurality of blocks, and a plurality of wire bundles connected to the blocks are led out of the case through the grommets, and the electric wires for each block are formed on a part of the divided cylindrical body constituting the grommets.
  • What provided the division wall which divides a group is also known (for example, refer patent document 2).
  • the wire group in the vicinity of the opening where the wire group is led out of the case or introduced into the case, that is, in the vicinity of the harness entrance / exit, the wire group becomes a unit wire group or the like. Although it is partitioned and appropriately aligned, the wire group in which the connection position to the power distribution unit is away from the harness entrance is complicated in the case. Therefore, there was a problem that the assembly workability deteriorated because these wire groups hindered the wire connection work by a connector or the like.
  • the wire group has a surplus portion for routing and connector connection work, etc., but the wire group is configured to be complicated in the case, so the surplus length setting of the wire group entering the inner back side of the case In addition, the extra length adjustment during assembly is not easy, and the workability of the mounting work is not good.
  • the present invention has been made in order to solve such a conventional unsolved problem, and it is possible to stably secure the route of the electric wire group in the case, and an electrical junction box excellent in workability of assembly work and electrical connection work.
  • the purpose is to provide.
  • the electrical junction box according to the present invention has a plurality of connection blocks each having a wire connection portion on the lower surface side, a case main body that houses the plurality of connection blocks, and the lower surfaces of the plurality of connection blocks.
  • a cover member that is supported by the case main body so as to cover the side and that forms an opening between the case main body, one end connected to the electric wire connection portion of the plurality of connection blocks, and the opening
  • An electric connection box comprising a case body and a wire group having a remaining portion protruding outside from the cover member, wherein the one end portion of the wire group is connected to a plurality of wire bundles connected to the plurality of connection blocks.
  • a path regulation guide member that regulates the wiring paths of the plurality of wire bundles is disposed between the case body and the cover member.
  • the path regulating guide member fixes a plurality of block holding portions that hold the plurality of connection blocks, and the plurality of wire bundles at predetermined positions on a wiring path between the plurality of block holding portions and the opening.
  • a plurality of electric wire bundle fixing portions a concave shape capable of introducing the plurality of electric wire bundles in the respective bundle radial directions, and an electric wire guide portion capable of collecting the plural electric wire bundles on the inner back side; It is the structure which has.
  • each connection block is held by the corresponding block holding portion of the path restriction guide member, and the wire bundle is held by the corresponding wire bundle fixing portion of the path restriction guide member and the opening portion. It is fixed at a predetermined position on the wiring path. Therefore, the electric wire group whose connection position is away from the opening does not become complicated in the case, and the electric wire group does not hinder the connection work.
  • the wire group is wired along a preset wiring route as a bundle of wires for each connection block, the extra length set for routing, connector connection work, etc. can be set easily and accurately. It becomes possible.
  • the wire guide portions are connected to each other on the inner back side, and have a plurality of guide grooves extending in different directions from the inner back side, and the plurality of guides Any one of the grooves may be formed by cutting out the outer peripheral wall surface of the path regulation guide member.
  • the plurality of block holding portions each include a lock mechanism that holds the plurality of connection blocks while preventing the plurality of connection blocks from being separated from each other across the end portions on the lower surface side of the plurality of connection blocks.
  • the holding portion and the plurality of wire bundle fixing portions may be connected to each other by a bottom wall portion of the path regulation guide member facing the end portion on the lower surface side.
  • the plurality of connection blocks and the electric wire group may constitute a power distribution unit mounted on a vehicle.
  • an electrical junction box that can stably secure the route of the wire group in the case and is excellent in assembly work and electrical connection work.
  • FIG. 4 is a cross-sectional view taken along arrow IVA-IVA in FIG. 2.
  • FIG. 4 is a sectional view taken along arrow IVB-IVB in FIG. 2.
  • 1 to 8 show an electrical junction box 10 according to an embodiment of the present invention.
  • the electrical junction box 10 is interposed between a plurality of electrical components mounted on a vehicle and a power source such as a battery.
  • a distribution unit for supplying and distributing electrical components such as a headlamp and a wiper, a so-called relay Configured as a box.
  • the electrical junction box 10 includes a plurality of mounting parts 11 (see FIG. 7) such as a plurality of switching devices for power distribution.
  • These mounting components 11 are, for example, relays and fuses, or further include an electronic control unit (hereinafter referred to as an ECU) that exerts a control function of on-vehicle electrical components.
  • an ECU electronice control unit
  • the configuration of the mounting component 11 is the same as that of a publicly known one, and the in-vehicle electrical component is not limited to a specific one.
  • the electrical junction box 10 is connected to the mounting component 11 by being drawn into the case 12 made of a resin (synthetic resin) for housing the mounting components 11, respectively.
  • an electric wire group 13 having a plurality of covered electric wires that serve as power supply lines from the power supply side to the mounting component 11, distribution lines to the in-vehicle electrical component side, and the like.
  • the case 12 includes a substantially polygonal frame-shaped case main body 21 that houses a plurality of mounting components 11, a first cover member 22 that can be attached to and removed from the top and bottom of the case main body 21, and a first cover member 22. 2 cover members 23.
  • the second cover member 23 constitutes a cover member in the present invention.
  • the case main body 21 is open at both upper and lower ends, and the case cover main body 21 is attached to and detached from the upper side of the case main body 21 via a plurality of lock claw portions 21b (see FIG. 7).
  • the mounting surface side of the plurality of mounting components 11 in 21 can be opened and closed.
  • the case main body 21 has a plurality of electric wire groups 13 drawn into the case main body 21 and a plurality of wires by attaching and detaching the second cover member 23 to the lower side of the case main body 21 via a plurality of lock claw portions 21c (see FIG. 1).
  • the connection surface side with the mounting component 11 can be opened and closed.
  • the second cover member 23 forms a cylindrical portion 24 having an opening 24 a together with the case main body 21 in a state where the second cover member 23 is mounted on the lower side of the case main body 21, and the electric wire passes through the opening 24 a of the cylindrical portion 24.
  • the group 13 is drawn into the case 12.
  • the plurality of mounting components 11 are specifically configured as a plurality of connection blocks 31, 32, 33, and 34 that are blocked according to their component functions and power distribution destinations.
  • the block unit is detachably held with respect to the case body 21.
  • the one end portion 13a of the wire group 13 drawn into the case 12 has a plurality of wire bundles 36, 37 corresponding to 34 from the plurality of connection blocks 31 (hereinafter, “kara” is represented by “ ⁇ ”). It is divided into 38 and 39.
  • the other end portion (not shown) of the remaining portion 13b of the electric wire group 13 protruding outward from the case 12 is mounted with, for example, an in-vehicle electrical component actuator, a headlamp, or a connector for connecting to an electrical load. Yes.
  • the plurality of wire bundles 36-39 are connected to wire connection portions 31a, 32a, 33a, 34a such as connection terminals and connectors (not shown) on the lower surface side of the connection blocks 31-34, respectively.
  • wire connection portions 31a, 32a, 33a, 34a such as connection terminals and connectors (not shown) on the lower surface side of the connection blocks 31-34, respectively.
  • each electric wire connection part 31a-34a is shown by three squares, the form and number of connections are arbitrary.
  • the electrical junction box 10 is formed by forming the cylindrical portion 24 on the case 12 having the case main body 21, the first cover member 22, and the second cover member 23, and the case 12 passes through the cylindrical portion 24.
  • the electric wire group 13 is drawn in.
  • the electric wire group 13 comprises the wire harness for the power distribution from the above-mentioned power supply to each vehicle-mounted electrical component.
  • the path regulation guide member 25 has a plurality of fitting projections 25a on the outer peripheral surface, and the fitting projection 25a is formed by the path regulation guide member 25.
  • the case body 21 When inserted into the opening on the lower end side of the case body 21, the case body 21 is detachably fitted into a plurality of fitting recesses 21 a provided on the inner peripheral wall of the opening of the case body 21.
  • the path regulation guide member 25 has a substantially funnel shape in which the lower end portion in FIG. 3 (which becomes the upper end side in use) is opened widely and the upper end portion in FIG. 3 is opened small.
  • the outer peripheral shape on the upper end side in use corresponds to the opening shape on the lower end side of the case main body 21.
  • the path regulation guide member 25 fixes a plurality of block holding portions 51a, 51b, 51c, 51d capable of holding a plurality of connection blocks 31-34 and a plurality of wire bundles 36-39 at predetermined positions in the length direction.
  • a guide portion 53 a guide portion 53.
  • the plurality of block holding portions 51a-51d are opposed to a plurality of opposing wall portions 55a, 55b, 55c, 55d, 55e facing each other with any one of the plurality of connection blocks 31-34 interposed therebetween when the electrical junction box 10 is assembled.
  • the locking mechanism includes a plurality of claw-like engaging projections 56a, 56b, 56c, and 56d that protrude from the opposing wall portions 55a to 55e toward each other and hold the plurality of connection blocks 31-34 so as not to be detached. 56.
  • the plurality of block holding portions 51a-51d further have bottom walls that integrally couple the opposing wall portions 55a-55e while facing the wire connection portions 31a-34a of the plurality of connection blocks 31-34 with a predetermined wiring gap therebetween.
  • the block guide portions 57a, 57b, 57c, and 57d that regulate the holding position by restricting the movement of the plurality of connection blocks 31-34 in the wall surface direction of the portion 56e and the opposing wall portions 55a-55e.
  • escape holes (not shown) for forming the plurality of engaging convex portions 56a-56d are formed.
  • the plurality of wire bundle fixing portions 52a, 52b, 52c, 52d are respectively disposed at predetermined positions on the plurality of wiring paths between the plurality of block holding portions 51a-51d and the opening 24a of the cylindrical portion 24. Shaped protrusions.
  • the plurality of wire bundle fixing portions 52a-52d are integrally supported by one of the plurality of rib-like wall portions 55r of the path regulation guide member 25 that is continuous or parallel to the opposing wall portions 55a-55e or the bottom wall portion 56e. ing.
  • the electric wire bundle fixing portions 52a to 52d have base ends protruding from the rib-like wall portion 55r or the bottom wall portion 56e, while the distal end side in the protruding direction is bent or bent toward the bottom wall portion 56e. Yes. Therefore, the plurality of wire bundle fixing portions 52a-52d can restrain and fix the plurality of wire bundles 36-39 on the bottom wall portion 56e at predetermined positions of the respective wiring paths.
  • the wire guide portion 53 includes a plurality of guide grooves 53a and 53b that pass between the plurality of block holding portions 51a to 51d and extend along the plurality of wire bundle fixing portions 52a to 52d, and the guide grooves 53a and 53b. And a collective hole 53c to be coupled.
  • the wire guide portion 53 has a cylindrical portion 53f that forms a collecting hole 53c while being divided into a plurality of divided cylindrical portions 53d and 53e by a plurality of guide grooves 53a and 53b. Is inserted into the cylindrical portion 24 of the case 12.
  • the wire guide portion 53 has a substantially fork-like groove shape in which a plurality of guide grooves 53a and 53b are continuous to the collecting hole 53c and the opening 24a of the cylindrical portion 24, respectively, and the collecting hole 53c on the inner back side thereof.
  • the electric wire bundles 36-39 can be introduced and assembled in the opening 24a.
  • the guide groove 53a has an electric wire bundle insertion port 53g in which the outer peripheral wall on the upper end side of the path regulation guide member 25 is partially cut out on the distal end side away from the collecting hole 53c. A plurality of wire bundles 36-39 are introduced from the port 53g.
  • the guide groove 53a further has a widened portion 53h in which the bottom wall portion 56e is notched so that a connector or the like can be inserted in the vicinity of the wire bundle insertion port 53g.
  • the outer peripheral wall on the upper end side of the path regulation guide member 25 may be connected without being cut out, and the widened portion 53h may be used as the wire bundle insertion port. Conceivable.
  • the wire group 13 is divided into wire bundles 36-39 corresponding to a plurality of connection blocks 31-34 in advance, and connection terminals, connectors, etc. on one end side of the wire bundle 36-39 are connected to the corresponding connection blocks 31-34.
  • a connector or the like is attached to the other end of the wire bundle 36-39.
  • an intermediate portion of the plurality of wire bundles 36-39 is introduced into the inner side of the wire guide portion 53 in the route restriction guide member 25, and as shown in FIG. 4A and FIG.
  • the plurality of connection blocks 31-34 are all held by the plurality of block holding portions 51a-51d so as to be prevented from being detached.
  • the hook-shaped wire bundle fixing portions 52a-52d of the path regulating guide member 25 are provided at predetermined positions on the respective wiring paths of the plurality of wire bundles 36-39 between the block holding portions 51a-51d and the openings 24a.
  • the wire bundle 36-39 is inserted between the wire wall 36e and the bottom wall portion 56e, and the wire bundle 36-39 is restrained and fixed to the route restriction guide member 25 at a predetermined position on the wiring route.
  • the wire bundle 36-39 from the plurality of connection blocks 31-34 to the assembly hole 53c of the wire guide portion 53 corresponding to the opening 24a takes into account the bending shape for assembling them, the necessary extra length, etc. Is held along the optimum wiring path. That is, the path regulation guide member 25 regulates and fixes the wiring paths of the plurality of wire bundles 36-39 from the plurality of connection blocks 31-34 to the opening 24a to their optimum substantially shortest paths. It is supposed to function as.
  • the plurality of connection blocks 31-34 are held in the path regulation guide member 25 so as to be prevented from being detached, and after the wiring paths of the plurality of wire bundles 36-39 are fixed to the optimum paths, While holding these together, the path regulation guide member 25 is moved closer to the case body 21 side so as to be fitted to the lower end portion of the case body 21.
  • connection blocks 31-34 are guided to the corresponding loading parts of the case body 21, and the plurality of fitting protrusions 25a of the path regulation guide member 25 are formed in the plurality of fitting recesses 21a of the case body 21.
  • the plurality of connection blocks 31-34 are loaded at predetermined loading positions of the case body 21 as they are fitted.
  • the second cover member 23 is attached to the lower end side of the case main body 21 so that the path regulation guide member 25 is prevented from being detached from the case main body 21, and the electric wire group 13 in the case main body 21 and a plurality of mountings are mounted.
  • the connection surface side with the component 11 is closed.
  • connection blocks 31-34 are respectively held by the corresponding block holding portions 51a-51d of the path regulation guide member 25 and are connected to the connection blocks 31-34.
  • the wire bundles 36-39 to be connected are placed on the respective wiring routes between the block holding portions 51a-51d and the opening 24a of the cylindrical portion 24 by the corresponding wire bundle fixing portions 52a-52d of the route regulation guide member 25. Fixed in place.
  • the route of the wire bundle 36-39 along the route regulation guide member 25 is fixed by the plurality of wire bundle fixing portions 52a-52d and can be mechanically grasped. Therefore, the length of the wire bundle 36-39 is increased. There is no need to tune in kind.
  • the wire bundle 36-39 can be easily introduced into the inner side of the wire guide portion 53 in the path regulation guide member 25 and can be easily assembled in the opening 24a. Therefore, the wire group 13 in which the wire connection positions to the plurality of connection blocks 31-34 are separated from the opening 24a is not complicated in the case 12, and the complicated wires in the wire group 13 are other wires. The connection work is not hindered.
  • the extra length of the plurality of wire bundles 36-39 is the minimum necessary, and the plurality of wire bundles 36-39 are neatly accommodated in the second cover member 23 which is a lower cover. It will be possible. In addition, it is possible to easily and accurately set the extra length for the routing of the wire bundles 36-39 and the connector connection work.
  • connection block 31-34 In addition, in the assembly process of the electrical junction box 10, all terminals of the wires of the wire bundle 36-39 are inserted into each connection block 31-34, and one end side of the wire bundle 36-39 with respect to the connection block 31-34 is inserted. After the connection work is completed, the plurality of connection blocks 31-34 can be simultaneously loaded into the case body 21 while these are integrally held by the path regulation guide member 25.
  • the loading work of the plurality of connection blocks 31-34 can be performed easily and accurately, and the work of inserting the terminals of the wires of the wire bundle 36-39 later is eliminated, so that the workability of the connecting work is improved. Will improve.
  • one of the guide grooves 53 a and 53 b of the wire guide portion 53 is formed by cutting out the outer peripheral wall surface of the path regulation guide member 25. Therefore, a plurality of wire bundles 36-39, which are connected in advance to the connection block 31-34 at one end side and attached with a connector or the like on the other end side, are placed on the inner back side of the wire guide portion 53 in the path regulation guide member 25. It can be easily introduced and placed in the opening 24a.
  • the plurality of block holding portions 51a-51d of the path regulation guide member 25 hold the plurality of connection blocks 31-34 so as to prevent them from coming off, and the plurality of electric wire bundle fixing portions 52a-52d by the bottom wall portion 56e. It is connected with. Therefore, the wiring paths of the plurality of wire bundles 36-39 with respect to the plurality of connection blocks 31-34 and their fixing positions can be secured with high accuracy and stability.
  • connection blocks 31-34 and the electric wire group 13 constitute a power distribution unit mounted on the vehicle, more in-vehicle electrical components that are supplied / distributed via the electrical connection box 10 can be obtained. Although the number may increase or the internal volume of the electrical junction box 10 may be more limited, good workability can be exhibited.
  • the path of the wire group 13 in the case 12 can be secured stably, and the electrical connection box 10 excellent in workability of assembly work and electrical connection work can be provided. .
  • the plurality of block holding portions 51a-51d or the plurality of wire bundle fixing portions 52a-52d are described as similar to each other, but may be different. Not too long.
  • the plurality of connection blocks 31-34 are held by the case main body 21 in a state where the electrical connection box 10 is mounted on the vehicle, but the stopper-shaped rib shown in FIG. It is conceivable that a support stopper capable of interfering with the plurality of connection blocks 31-34 from below is provided as in 58, so that the connection blocks 31-34 can be supported by the path regulation guide member 25 and the second cover member 23 (lower cover).
  • the present invention can provide an electric connection box that can stably secure the route of the electric wire group in the case, and has excellent workability in assembly work and electric connection work. Useful for all electrical junction boxes suitable for the unit.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

In order to provide an electrical connection box with which the routing of a group of electrical wires inside a case can be secured in a stable manner, and which has excellent workability in terms of assembly work and electrical connection work, this electrical connection box (10) is equipped with a case main body (21), a cover member, and an electrical wire group (13), one end part (13a) of the electrical wire group (13) is divided into electrical wire bundles (36) - (39), and a route restriction guide member (25) for restricting wiring routes for the electrical wire bundles (36) - (39) is arranged between the case main body (21) and the cover member. The route restriction guide member (25) has: block-holding parts (51a) - (51d) for holding connection blocks (31) - (34); electrical wire bundle securing parts (52a) - (52d) for securing the electrical wire bundles (36) - (39) at a prescribed position in the wiring route; and an electrical wire guide part (53) into which the electrical wire bundles (36) - (39) can be introduced in the radial direction of the bundles, and that gathers the bundles on the inner-depth side of the guide part.

Description

電気接続箱Electrical junction box
　本発明は、電気接続箱に関し、特に車両に搭載される配電ユニットに好適な電気接続箱に関する。 The present invention relates to an electrical junction box, and more particularly to an electrical junction box suitable for a power distribution unit mounted on a vehicle.
　車両用のリレーボックス等の電気接続箱においては、搭載スペースの縮小が要求される一方で、車載電装機器の増加や多機能化に対応する必要があり、狭いケース内に多数の電線群が挿入されてそれぞれリレー等に接続されている。そこで、多数の電線群が入り組むのを抑えるように工夫した電気接続箱が提案されている。 While electrical connection boxes such as relay boxes for vehicles require a reduction in mounting space, it is necessary to cope with an increase in the number of on-board electrical equipment and multi-functionality, and many electric wire groups are inserted in a narrow case. Each is connected to a relay or the like. Then, the electrical junction box devised so that it may suppress that many electric wire groups are complicated is proposed.
　この種の電気接続箱としては、例えば、複数のリレー等の実装部品を上面側に有する配電ユニットを枠状のケースに収納するとともに、そのケースの一部に、配電ユニットの下面側に接続された電線群をコネクタごとの単位電線群に区画するガイド壁部を設けたものが知られている（例えば、特許文献１参照）。 As this type of electrical junction box, for example, a power distribution unit having a plurality of mounting parts such as relays on the upper surface side is housed in a frame-like case, and a part of the case is connected to the lower surface side of the power distribution unit. There is known one provided with a guide wall section that divides the electric wire group into unit electric wire groups for each connector (for example, see Patent Document 1).
　また、配電ユニットを複数のブロックによって構成し、それらブロックに接続する複数の電線束をグロメットを介してケース外に導出するとともに、グロメットを構成する分割筒状体の一部に、ブロック毎の電線群を区画する区画壁を設けたものも知られている（例えば、特許文献２参照）。 In addition, the power distribution unit is composed of a plurality of blocks, and a plurality of wire bundles connected to the blocks are led out of the case through the grommets, and the electric wires for each block are formed on a part of the divided cylindrical body constituting the grommets. What provided the division wall which divides a group is also known (for example, refer patent document 2).
　しかしながら、上述のような従来の電気接続箱にあっては、電線群がケース外に導出されたりケース内に導入されたりする開口部、すなわちハーネス出入口の近傍では、電線群が単位電線群等に区画されて適度に整列されるものの、配電ユニットへの接続位置がハーネス入口から離れている電線群がケース内で入り組む構成となっていた。そのため、それら電線群がコネクタ等による電線接続作業を阻害することで、組立の作業性が悪くなるという問題があった。 However, in the conventional electrical junction box as described above, in the vicinity of the opening where the wire group is led out of the case or introduced into the case, that is, in the vicinity of the harness entrance / exit, the wire group becomes a unit wire group or the like. Although it is partitioned and appropriately aligned, the wire group in which the connection position to the power distribution unit is away from the harness entrance is complicated in the case. Therefore, there was a problem that the assembly workability deteriorated because these wire groups hindered the wire connection work by a connector or the like.
　また、前記電線群は、引き回しやコネクタ接続作業等のために余長部を有するが、電線群がケース内で入り組んでしまう構成であるため、ケースの内奥側に入る電線群の余長設定や組立て時における余長調整が容易でなく、実装作業の作業性も良くなかった。 In addition, the wire group has a surplus portion for routing and connector connection work, etc., but the wire group is configured to be complicated in the case, so the surplus length setting of the wire group entering the inner back side of the case In addition, the extra length adjustment during assembly is not easy, and the workability of the mounting work is not good.
　本発明は、このような従来の未解決の課題を解決すべくなされたものであり、ケース内における電線群の経路が安定確保でき、組立作業や電気接続作業の作業性に優れた電気接続箱を提供することを目的とする。 The present invention has been made in order to solve such a conventional unsolved problem, and it is possible to stably secure the route of the electric wire group in the case, and an electrical junction box excellent in workability of assembly work and electrical connection work. The purpose is to provide.
　本発明に係る電気接続箱は、上記目的達成のため、それぞれ下面側に電線接続部を有する複数の接続ブロックと、前記複数の接続ブロックを収納するケース本体と、前記複数の接続ブロックの前記下面側を覆うように前記ケース本体に支持されるとともに、前記ケース本体との間に開口部を形成するカバー部材と、前記複数の接続ブロックの前記電線接続部に接続する一端部および前記開口部を通して前記ケース本体および前記カバー部材から外部に突出する残部を有する電線群と、を備える電気接続箱であって、前記電線群の前記一端部が、前記複数の接続ブロックに接続する複数の電線束に分割されるとともに、前記ケース本体および前記カバー部材の間に、前記複数の電線束の配線経路を規制する経路規制ガイド部材が配置されており、前記経路規制ガイド部材は、前記複数の接続ブロックを保持する複数のブロック保持部と、前記複数の電線束を前記複数のブロック保持部と前記開口部の間の配線経路上の所定位置に固定する複数の電線束固定部と、前記複数の電線束をそれぞれの束径方向に導入することができる凹状をなし、内奥側で前記複数の電線束を集合させることができる電線ガイド部と、を有している構成である。 In order to achieve the above object, the electrical junction box according to the present invention has a plurality of connection blocks each having a wire connection portion on the lower surface side, a case main body that houses the plurality of connection blocks, and the lower surfaces of the plurality of connection blocks. A cover member that is supported by the case main body so as to cover the side and that forms an opening between the case main body, one end connected to the electric wire connection portion of the plurality of connection blocks, and the opening An electric connection box comprising a case body and a wire group having a remaining portion protruding outside from the cover member, wherein the one end portion of the wire group is connected to a plurality of wire bundles connected to the plurality of connection blocks. A path regulation guide member that regulates the wiring paths of the plurality of wire bundles is disposed between the case body and the cover member. The path regulating guide member fixes a plurality of block holding portions that hold the plurality of connection blocks, and the plurality of wire bundles at predetermined positions on a wiring path between the plurality of block holding portions and the opening. A plurality of electric wire bundle fixing portions, a concave shape capable of introducing the plurality of electric wire bundles in the respective bundle radial directions, and an electric wire guide portion capable of collecting the plural electric wire bundles on the inner back side; It is the structure which has.
　この構成により、本発明では、各接続ブロックが経路規制ガイド部材の対応するブロック保持部に保持されるとともに、その電線束が経路規制ガイド部材の対応する電線束固定部によってブロック保持部と開口部の間の配線経路上の所定位置に固定される。したがって、接続位置が開口部から離れている電線群がケース内で入り組むことがなく、それら電線群が接続作業を阻害することがない。また、電線群は、接続ブロックごとの電線束としてそれぞれ予め設定された配線経路に沿って配線されるので、引き回しやコネクタ接続作業等のために設定される余長の設定が容易にかつ的確に可能となる。 With this configuration, in the present invention, each connection block is held by the corresponding block holding portion of the path restriction guide member, and the wire bundle is held by the corresponding wire bundle fixing portion of the path restriction guide member and the opening portion. It is fixed at a predetermined position on the wiring path. Therefore, the electric wire group whose connection position is away from the opening does not become complicated in the case, and the electric wire group does not hinder the connection work. In addition, since the wire group is wired along a preset wiring route as a bundle of wires for each connection block, the extra length set for routing, connector connection work, etc. can be set easily and accurately. It becomes possible.
　本発明の電気接続箱においては、前記電線ガイド部が、前記内奥側で互いに接続される一方、前記内奥側から互いに異なる方向に延びる複数のガイド溝を有しており、該複数のガイド溝のうちいずかの溝が、前記経路規制ガイド部材の外周壁面を切り欠いて形成されている構成としてもよい。 In the electric junction box of the present invention, the wire guide portions are connected to each other on the inner back side, and have a plurality of guide grooves extending in different directions from the inner back side, and the plurality of guides Any one of the grooves may be formed by cutting out the outer peripheral wall surface of the path regulation guide member.
　また、前記複数のブロック保持部が、それぞれ前記複数の接続ブロックの前記下面側の端部を挟んで互いに対向しつつ前記複数の接続ブロックを抜け止め保持するロック機構を有するとともに、前記複数のブロック保持部および前記複数の電線束固定部が、前記下面側の端部に対向する前記経路規制ガイド部材の底壁部によって互いに連結されている構成としてもよい。 In addition, the plurality of block holding portions each include a lock mechanism that holds the plurality of connection blocks while preventing the plurality of connection blocks from being separated from each other across the end portions on the lower surface side of the plurality of connection blocks. The holding portion and the plurality of wire bundle fixing portions may be connected to each other by a bottom wall portion of the path regulation guide member facing the end portion on the lower surface side.
　さらに、前記複数の接続ブロックおよび前記電線群が、車両に搭載される配電ユニットを構成している構成としてもよい。 Further, the plurality of connection blocks and the electric wire group may constitute a power distribution unit mounted on a vehicle.
　本発明によれば、ケース内における電線群の経路が安定確保でき、組立作業や電気接続作業の作業性に優れた電気接続箱を提供することができる。 According to the present invention, it is possible to provide an electrical junction box that can stably secure the route of the wire group in the case and is excellent in assembly work and electrical connection work.
本発明の一実施の形態に係る電気接続箱のケース本体からロアカバーを外した状態を示す要部下面図である。It is a principal part bottom view which shows the state which removed the lower cover from the case main body of the electrical junction box which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電気接続箱における経路規制ガイド部材の下面図である。It is a bottom view of the path | route control guide member in the electrical junction box which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電気接続箱における経路規制ガイド部材の斜視図である。It is a perspective view of the path regulation guide member in the electrical junction box concerning one embodiment of the present invention. 図２のＩＶＡ－ＩＶＡ矢視断面図である。FIG. 4 is a cross-sectional view taken along arrow IVA-IVA in FIG. 2. 図２のＩＶＢ－ＩＶＢ矢視断面図である。FIG. 4 is a sectional view taken along arrow IVB-IVB in FIG. 2. 本発明の一実施の形態に係る電気接続箱における経路規制ガイド部材の側面図である。It is a side view of the path | route control guide member in the electrical junction box which concerns on one embodiment of this invention. 本発明の一実施の形態に係る電気接続箱のケース本体にロアカバーを装着し、アッパカバーを外した状態を示す要部側面図である。It is a principal part side view which shows the state which attached the lower cover to the case main body of the electrical junction box which concerns on one embodiment of this invention, and removed the upper cover. 本発明の一実施の形態に係る電気接続箱のケース本体にロアカバーを装着し、アッパカバーを外した状態を示す要部斜視図である。It is a principal part perspective view which shows the state which attached the lower cover to the case main body of the electrical junction box which concerns on one embodiment of this invention, and removed the upper cover. 本発明の一実施の形態に係る電気接続箱の電線群装着前の下面図である。It is a bottom view before the electric wire group mounting | wearing of the electrical junction box which concerns on one embodiment of this invention.
　以下、本発明を実施するための形態について図面を参照しつつ説明する。 Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
　（一実施の形態） (One embodiment)
　図１ないし図８は、本発明の一実施の形態に係る電気接続箱１０を示している。 1 to 8 show an electrical junction box 10 according to an embodiment of the present invention.
　この電気接続箱１０は、車両に搭載される複数の電装品とバッテリー等の電源との間に介装されるもので、例えばヘッドランプやワイパー等の電装品に給配電する配電ユニット、いわゆるリレーボックスとして構成されている。 The electrical junction box 10 is interposed between a plurality of electrical components mounted on a vehicle and a power source such as a battery. For example, a distribution unit for supplying and distributing electrical components such as a headlamp and a wiper, a so-called relay Configured as a box.
　また、電気接続箱１０は、配電を行うための複数のスイッチングデバイス等の実装部品１１（図７参照）を含んで構成されている。これら実装部品１１は、例えばリレーやヒューズであり、あるいは更に車載電装品の制御機能を発揮する電子制御ユニット（以下、ＥＣＵという）を含んでいる。ただし、そのような実装部品１１の構成自体は、公知のものと同様であり、車載電装品も、特定のものに限定されるものではない。 Moreover, the electrical junction box 10 includes a plurality of mounting parts 11 (see FIG. 7) such as a plurality of switching devices for power distribution. These mounting components 11 are, for example, relays and fuses, or further include an electronic control unit (hereinafter referred to as an ECU) that exerts a control function of on-vehicle electrical components. However, the configuration of the mounting component 11 is the same as that of a publicly known one, and the in-vehicle electrical component is not limited to a specific one.
　電気接続箱１０は、これら複数の実装部品１１に加えて、複数の実装部品１１を収納する樹脂（合成樹脂）製のケース１２と、それぞれケース１２内に引き込まれて実装部品１１に接続され、電源側から実装部品１１への給電線や各車載電装品側への配電線等となる複数の被覆電線を有する電線群１３と、を含んでいる。 In addition to the plurality of mounting components 11, the electrical junction box 10 is connected to the mounting component 11 by being drawn into the case 12 made of a resin (synthetic resin) for housing the mounting components 11, respectively. And an electric wire group 13 having a plurality of covered electric wires that serve as power supply lines from the power supply side to the mounting component 11, distribution lines to the in-vehicle electrical component side, and the like.
　図６ないし図８に示すように、ケース１２は、複数の実装部品１１を収納する略多角形の枠状のケース本体２１と、ケース本体２１の上下に着脱可能な第１カバー部材２２および第２カバー部材２３とによって構成されている。第２カバー部材２３は、本発明におけるカバー部材を構成する。 As shown in FIGS. 6 to 8, the case 12 includes a substantially polygonal frame-shaped case main body 21 that houses a plurality of mounting components 11, a first cover member 22 that can be attached to and removed from the top and bottom of the case main body 21, and a first cover member 22. 2 cover members 23. The second cover member 23 constitutes a cover member in the present invention.
　ケース本体２１は、その上下両端側で開口しており、ケース本体２１の上方側に複数のロック爪部２１ｂ（図７参照）を介して第１カバー部材２２が着脱されることで、ケース本体２１内の複数の実装部品１１の実装面側を開放および閉止できるようになっている。 The case main body 21 is open at both upper and lower ends, and the case cover main body 21 is attached to and detached from the upper side of the case main body 21 via a plurality of lock claw portions 21b (see FIG. 7). The mounting surface side of the plurality of mounting components 11 in 21 can be opened and closed.
　また、ケース本体２１は、その下方側に複数のロック爪部２１ｃ（図１参照）を介して第２カバー部材２３が着脱されることで、ケース本体２１内に引き込まれた電線群１３と複数の実装部品１１との接続面側を開放および閉止できるようになっている。 Further, the case main body 21 has a plurality of electric wire groups 13 drawn into the case main body 21 and a plurality of wires by attaching and detaching the second cover member 23 to the lower side of the case main body 21 via a plurality of lock claw portions 21c (see FIG. 1). The connection surface side with the mounting component 11 can be opened and closed.
　第２カバー部材２３は、ケース本体２１の下方側に装着された状態で、ケース本体２１と共に開口部２４ａを有する筒状部２４を形成しており、この筒状部２４の開口部２４ａを通して電線群１３がケース１２内に引き込まれている。 The second cover member 23 forms a cylindrical portion 24 having an opening 24 a together with the case main body 21 in a state where the second cover member 23 is mounted on the lower side of the case main body 21, and the electric wire passes through the opening 24 a of the cylindrical portion 24. The group 13 is drawn into the case 12.
　図１および図５に示すように、複数の実装部品１１は、具体的には、その部品機能や給配電先に応じてブロック化された複数の接続ブロック３１、３２、３３、３４として構成されており、そのブロック単位でケース本体２１に対し着脱可能に保持されている。 As shown in FIGS. 1 and 5, the plurality of mounting components 11 are specifically configured as a plurality of connection blocks 31, 32, 33, and 34 that are blocked according to their component functions and power distribution destinations. The block unit is detachably held with respect to the case body 21.
　また、ケース１２内に引き込まれた電線群１３の一端部１３ａは、複数の接続ブロック３１から（以下、「から」を「-」で表わす。）３４に対応する複数の電線束３６、３７、３８、３９に分割されている。ケース１２の外方に出ている電線群１３の残部１３ｂのうち図示しない他端側部分には、例えば車載電装品のアクチュエータやヘッドランプその他の電気負荷に接続するためのコネクタ等が装着されている。 In addition, the one end portion 13a of the wire group 13 drawn into the case 12 has a plurality of wire bundles 36, 37 corresponding to 34 from the plurality of connection blocks 31 (hereinafter, “kara” is represented by “−”). It is divided into 38 and 39. The other end portion (not shown) of the remaining portion 13b of the electric wire group 13 protruding outward from the case 12 is mounted with, for example, an in-vehicle electrical component actuator, a headlamp, or a connector for connecting to an electrical load. Yes.
　複数の電線束３６‐３９は、それぞれ接続ブロック３１‐３４の下面側の図示しない接続端子やコネクタ等の電線接続部３１ａ、３２ａ、３３ａ、３４ａに接続されている。なお、図１中では、各電線接続部３１ａ‐３４ａを３つの四角形で示しているが、接続の形態や数は任意である。 The plurality of wire bundles 36-39 are connected to wire connection portions 31a, 32a, 33a, 34a such as connection terminals and connectors (not shown) on the lower surface side of the connection blocks 31-34, respectively. In addition, in FIG. 1, although each electric wire connection part 31a-34a is shown by three squares, the form and number of connections are arbitrary.
　電気接続箱１０は、このように、ケース本体２１、第１カバー部材２２および第２カバー部材２３を有するケース１２に筒状部２４が形成されたものであり、その筒状部２４を通してケース１２内に電線群１３が引き込まれている。そして、電線群１３は、前述の電源から各車載電装品への給配電用のワイヤハーネスを構成している。 As described above, the electrical junction box 10 is formed by forming the cylindrical portion 24 on the case 12 having the case main body 21, the first cover member 22, and the second cover member 23, and the case 12 passes through the cylindrical portion 24. The electric wire group 13 is drawn in. And the electric wire group 13 comprises the wire harness for the power distribution from the above-mentioned power supply to each vehicle-mounted electrical component.
　一方、このケース１２のケース本体２１と第２カバー部材２３との間には、複数の接続ブロック３１‐３４の電線接続部３１ａ‐３４ａを覆うように、複数の電線束３６‐３９の配線経路を規制する経路規制ガイド部材２５が設けられている配置されている。 On the other hand, between the case main body 21 of the case 12 and the second cover member 23, the wiring paths of the plurality of wire bundles 36-39 so as to cover the wire connection portions 31a-34a of the plurality of connection blocks 31-34. A path regulation guide member 25 for regulating the movement is provided.
　図１ないし図４Ａ、図４Ｂに示すように、経路規制ガイド部材２５は外周面上に複数の嵌合突起部２５ａを有しており、これ嵌合突起部２５ａは、経路規制ガイド部材２５がケース本体２１の下端側の開口内に挿入されるとき、ケース本体２１の開口内周壁に設けられた複数の嵌合凹部２１ａに着脱可能に嵌合するようになっている。 As shown in FIGS. 1 to 4A and 4B, the path regulation guide member 25 has a plurality of fitting projections 25a on the outer peripheral surface, and the fitting projection 25a is formed by the path regulation guide member 25. When inserted into the opening on the lower end side of the case body 21, the case body 21 is detachably fitted into a plurality of fitting recesses 21 a provided on the inner peripheral wall of the opening of the case body 21.
　また、この経路規制ガイド部材２５は、図３中の下方側の端部（使用時には上端側となる）が大きく開口し、同図中の上方側の端部が小さく開口する略漏斗状をなしており、使用時の上端側の外周形状が、ケース本体２１の下端側の開口形状に対応している。 Further, the path regulation guide member 25 has a substantially funnel shape in which the lower end portion in FIG. 3 (which becomes the upper end side in use) is opened widely and the upper end portion in FIG. 3 is opened small. The outer peripheral shape on the upper end side in use corresponds to the opening shape on the lower end side of the case main body 21.
　そして、経路規制ガイド部材２５は、複数の接続ブロック３１‐３４を保持可能な複数のブロック保持部５１ａ、５１ｂ、５１ｃ、５１ｄと、複数の電線束３６‐３９を長さ方向の所定位置で固定することができる複数の電線束固定部５２ａ、５２ｂ、５２ｃ、５２ｄと、複数の電線束３６‐３９を束径方向に移動させながら筒状部２４内に導入するように案内することができる電線ガイド部５３とを有している。 The path regulation guide member 25 fixes a plurality of block holding portions 51a, 51b, 51c, 51d capable of holding a plurality of connection blocks 31-34 and a plurality of wire bundles 36-39 at predetermined positions in the length direction. A plurality of wire bundle fixing portions 52a, 52b, 52c, 52d that can be guided and a plurality of wire bundles 36-39 that can be guided to be introduced into the tubular portion 24 while moving in the bundle radial direction And a guide portion 53.
　複数のブロック保持部５１ａ‐５１ｄは、電気接続箱１０の組立て時に複数の接続ブロック３１‐３４のうちいずれかを間に挟んで対向する複数の対向壁部５５ａ、５５ｂ、５５ｃ、５５ｄ、５５ｅと、これら対向壁部５５ａ‐５５ｅから互いに接近する方向に突出し複数の接続ブロック３１‐３４を抜け止め可能に保持する複数組の爪状の係合凸部５６ａ、５６ｂ、５６ｃ、５６ｄからなるロック機構５６とを有している。 The plurality of block holding portions 51a-51d are opposed to a plurality of opposing wall portions 55a, 55b, 55c, 55d, 55e facing each other with any one of the plurality of connection blocks 31-34 interposed therebetween when the electrical junction box 10 is assembled. The locking mechanism includes a plurality of claw-like engaging projections 56a, 56b, 56c, and 56d that protrude from the opposing wall portions 55a to 55e toward each other and hold the plurality of connection blocks 31-34 so as not to be detached. 56.
　複数のブロック保持部５１ａ‐５１ｄは、さらに、複数の接続ブロック３１‐３４の電線接続部３１ａ‐３４ａに所定の配線隙間を隔てて対向しつつ対向壁部５５ａ‐５５ｅを一体に結合する底壁部５６ｅと、対向壁部５５ａ‐５５ｅの壁面方向における複数の接続ブロック３１‐３４の移動を規制して保持位置を規定するブロックガイド部５７ａ、５７ｂ、５７ｃ、５７ｄを有している。底壁部５６ｅには、複数の係合凸部５６ａ‐５６ｄを成形するための逃げ穴（符号なし）が形成されている。 The plurality of block holding portions 51a-51d further have bottom walls that integrally couple the opposing wall portions 55a-55e while facing the wire connection portions 31a-34a of the plurality of connection blocks 31-34 with a predetermined wiring gap therebetween. The block guide portions 57a, 57b, 57c, and 57d that regulate the holding position by restricting the movement of the plurality of connection blocks 31-34 in the wall surface direction of the portion 56e and the opposing wall portions 55a-55e. In the bottom wall portion 56e, escape holes (not shown) for forming the plurality of engaging convex portions 56a-56d are formed.
　複数の電線束固定部５２ａ、５２ｂ、５２ｃ、５２ｄは、複数のブロック保持部５１ａ‐５１ｄと筒状部２４の開口部２４ａの間の複数本の配線経路上の所定位置にそれぞれ配置された鉤状の突起である。これら複数の電線束固定部５２ａ‐５２ｄは、対向壁部５５ａ‐５５ｅに連続するか平行な経路規制ガイド部材２５の複数のリブ状壁部５５ｒのいずれかまたは底壁部５６ｅに一体に支持されている。 The plurality of wire bundle fixing portions 52a, 52b, 52c, 52d are respectively disposed at predetermined positions on the plurality of wiring paths between the plurality of block holding portions 51a-51d and the opening 24a of the cylindrical portion 24. Shaped protrusions. The plurality of wire bundle fixing portions 52a-52d are integrally supported by one of the plurality of rib-like wall portions 55r of the path regulation guide member 25 that is continuous or parallel to the opposing wall portions 55a-55e or the bottom wall portion 56e. ing.
　また、これら電線束固定部５２ａ‐５２ｄは、それぞれの基端部がリブ状壁部５５ｒまたは底壁部５６ｅから突出する一方、その突出方向の先端側が底壁部５６ｅ側に湾曲または屈曲している。したがって、複数の電線束固定部５２ａ‐５２ｄは、複数の電線束３６‐３９をそれぞれの配線経路の所定位置で底壁部５６ｅ上に拘束し、固定することができる。なお、電線束３６‐３９の少なくとも１つを開口部２４ａ内の定位置に拘束したり案内したりできる別の電線束固定部を、筒状部２４の内周壁面側に設けてもよい。 In addition, the electric wire bundle fixing portions 52a to 52d have base ends protruding from the rib-like wall portion 55r or the bottom wall portion 56e, while the distal end side in the protruding direction is bent or bent toward the bottom wall portion 56e. Yes. Therefore, the plurality of wire bundle fixing portions 52a-52d can restrain and fix the plurality of wire bundles 36-39 on the bottom wall portion 56e at predetermined positions of the respective wiring paths. In addition, you may provide another wire bundle fixing | fixed part which can restrain or guide at least one of the wire bundles 36-39 to the fixed position in the opening part 24a on the inner peripheral wall side of the cylindrical part 24. FIG.
　電線ガイド部５３は、複数のブロック保持部５１ａ‐５１ｄの間を通り、かつ、複数の電線束固定部５２ａ‐５２ｄに沿って延びる複数のガイド溝５３ａ、５３ｂと、これらガイド溝５３ａ、５３ｂを結合する集合穴５３ｃとを有している。 The wire guide portion 53 includes a plurality of guide grooves 53a and 53b that pass between the plurality of block holding portions 51a to 51d and extend along the plurality of wire bundle fixing portions 52a to 52d, and the guide grooves 53a and 53b. And a collective hole 53c to be coupled.
　また、電線ガイド部５３は、複数のガイド溝５３ａ、５３ｂによって複数の分割筒状部分５３ｄ、５３ｅに分割されつつ集合穴５３ｃを形成する筒状部５３ｆを有しており、この筒状部５３ｆがケース１２の筒状部２４内に挿入されるようになっている。 Further, the wire guide portion 53 has a cylindrical portion 53f that forms a collecting hole 53c while being divided into a plurality of divided cylindrical portions 53d and 53e by a plurality of guide grooves 53a and 53b. Is inserted into the cylindrical portion 24 of the case 12.
　これにより、電線ガイド部５３は、複数のガイド溝５３ａ、５３ｂがそれぞれ集合穴５３ｃおよび筒状部２４の開口部２４ａに連続する略フォーク状の溝形状をなし、その内奥側の集合穴５３ｃおよび開口部２４ａ内に電線束３６‐３９を導入し集合させることができるようになっている。 As a result, the wire guide portion 53 has a substantially fork-like groove shape in which a plurality of guide grooves 53a and 53b are continuous to the collecting hole 53c and the opening 24a of the cylindrical portion 24, respectively, and the collecting hole 53c on the inner back side thereof. The electric wire bundles 36-39 can be introduced and assembled in the opening 24a.
　また、ガイド溝５３ａは、集合穴５３ｃから離れた先端側に、経路規制ガイド部材２５の上端側の外周壁を部分的に切り欠いた電線束挿入口５３ｇを有しており、この電線束挿入口５３ｇから複数の電線束３６‐３９が導入されるようになっている。 Further, the guide groove 53a has an electric wire bundle insertion port 53g in which the outer peripheral wall on the upper end side of the path regulation guide member 25 is partially cut out on the distal end side away from the collecting hole 53c. A plurality of wire bundles 36-39 are introduced from the port 53g.
　ガイド溝５３ａは、さらに、電線束挿入口５３ｇの近傍にコネクタ等を挿通させることができる程度に底壁部５６ｅを大きく切り欠いた拡幅部５３ｈを有している。 The guide groove 53a further has a widened portion 53h in which the bottom wall portion 56e is notched so that a connector or the like can be inserted in the vicinity of the wire bundle insertion port 53g.
　なお、ワイヤハーネスの仕様によっては、図２中に仮想線で示すように経路規制ガイド部材２５の上端側の外周壁を切り欠かずに連結させ、拡幅部５３ｈを電線束挿入口とすることも考えられる。 Depending on the specifications of the wire harness, as shown by an imaginary line in FIG. 2, the outer peripheral wall on the upper end side of the path regulation guide member 25 may be connected without being cut out, and the widened portion 53h may be used as the wire bundle insertion port. Conceivable.
　次に、経路規制ガイド部材２５による複数の電線束３６‐３９の経路規制およびこれらの組込み手順について説明する。 Next, the path regulation of the plurality of wire bundles 36-39 by the path regulation guide member 25 and the assembling procedure thereof will be described.
　まず、予め電線群１３を複数の接続ブロック３１‐３４に対応する電線束３６‐３９に分け、電線束３６‐３９の一端側の接続端子やコネクタ等を対応する接続ブロック３１‐３４に接続し、電線束３６‐３９の他端側にはコネクタ等を装着しておく。 First, the wire group 13 is divided into wire bundles 36-39 corresponding to a plurality of connection blocks 31-34 in advance, and connection terminals, connectors, etc. on one end side of the wire bundle 36-39 are connected to the corresponding connection blocks 31-34. A connector or the like is attached to the other end of the wire bundle 36-39.
　次いで、複数の電線束３６‐３９の中間部を、経路規制ガイド部材２５内の電線ガイド部５３の内奥側に導入するとともに、図４Ａおよび図４Ｂに示すように、経路規制ガイド部材２５の複数のブロック保持部５１ａ‐５１ｄに、複数の接続ブロック３１‐３４をすべて抜け止め可能に保持させる。 Next, an intermediate portion of the plurality of wire bundles 36-39 is introduced into the inner side of the wire guide portion 53 in the route restriction guide member 25, and as shown in FIG. 4A and FIG. The plurality of connection blocks 31-34 are all held by the plurality of block holding portions 51a-51d so as to be prevented from being detached.
　併せて、ブロック保持部５１ａ‐５１ｄと開口部２４ａの間における複数の電線束３６‐３９のそれぞれの配線経路上の所定位置で、経路規制ガイド部材２５の鉤状の電線束固定部５２ａ‐５２ｄと底壁部５６ｅとの間に電線束３６‐３９を入れ込み、電線束３６‐３９をそれらの配線経路上の所定位置で経路規制ガイド部材２５に拘束し、固定する。 In addition, the hook-shaped wire bundle fixing portions 52a-52d of the path regulating guide member 25 are provided at predetermined positions on the respective wiring paths of the plurality of wire bundles 36-39 between the block holding portions 51a-51d and the openings 24a. The wire bundle 36-39 is inserted between the wire wall 36e and the bottom wall portion 56e, and the wire bundle 36-39 is restrained and fixed to the route restriction guide member 25 at a predetermined position on the wiring route.
　このとき、複数の接続ブロック３１‐３４から開口部２４ａに対応する電線ガイド部５３の集合穴５３ｃまでの電線束３６‐３９は、それらを集合させるための曲げ形状や必要な余長等を考慮した最適な配線経路に沿って保持される。すなわち、経路規制ガイド部材２５は、複数の接続ブロック３１‐３４から開口部２４ａまでの複数の電線束３６‐３９の配線経路を、それらの最適な概ね最短の経路に規制して固定する固定機構として機能するようになっている。 At this time, the wire bundle 36-39 from the plurality of connection blocks 31-34 to the assembly hole 53c of the wire guide portion 53 corresponding to the opening 24a takes into account the bending shape for assembling them, the necessary extra length, etc. Is held along the optimum wiring path. That is, the path regulation guide member 25 regulates and fixes the wiring paths of the plurality of wire bundles 36-39 from the plurality of connection blocks 31-34 to the opening 24a to their optimum substantially shortest paths. It is supposed to function as.
　このように、経路規制ガイド部材２５に複数の接続ブロック３１‐３４を抜け止め可能に保持させるとともに、複数の電線束３６‐３９の配線経路を最適な経路に固定した状態にした後、次いで、これらを一体的に保持しつつ、経路規制ガイド部材２５をケース本体２１の下端部に嵌合させるようにケース本体２１側に接近させる。 As described above, the plurality of connection blocks 31-34 are held in the path regulation guide member 25 so as to be prevented from being detached, and after the wiring paths of the plurality of wire bundles 36-39 are fixed to the optimum paths, While holding these together, the path regulation guide member 25 is moved closer to the case body 21 side so as to be fitted to the lower end portion of the case body 21.
　このとき、複数の接続ブロック３１‐３４がケース本体２１の対応する装填部位に案内されるとともに、経路規制ガイド部材２５の複数の嵌合突起部２５ａがケース本体２１の複数の嵌合凹部２１ａに嵌合していき、複数の接続ブロック３１‐３４がケース本体２１の所定の装填位置に装填される。 At this time, the plurality of connection blocks 31-34 are guided to the corresponding loading parts of the case body 21, and the plurality of fitting protrusions 25a of the path regulation guide member 25 are formed in the plurality of fitting recesses 21a of the case body 21. The plurality of connection blocks 31-34 are loaded at predetermined loading positions of the case body 21 as they are fitted.
　次いで、ケース本体２１の下端側に第２カバー部材２３が装着されることで、経路規制ガイド部材２５がケース本体２１に対し抜け止めされるとともに、ケース本体２１内の電線群１３と複数の実装部品１１との接続面側が閉止される。 Next, the second cover member 23 is attached to the lower end side of the case main body 21 so that the path regulation guide member 25 is prevented from being detached from the case main body 21, and the electric wire group 13 in the case main body 21 and a plurality of mountings are mounted. The connection surface side with the component 11 is closed.
　次に、作用について説明する。 Next, the operation will be described.
　上述のように、本実施形態の電気接続箱１０では、複数の接続ブロック３１‐３４がそれぞれ経路規制ガイド部材２５の対応するブロック保持部５１ａ‐５１ｄに保持されるとともに、接続ブロック３１‐３４に接続する電線束３６‐３９が経路規制ガイド部材２５の対応する電線束固定部５２ａ‐５２ｄによって、ブロック保持部５１ａ‐５１ｄと筒状部２４の開口部２４ａとの間のそれぞれの配線経路上の所定位置に固定される。 As described above, in the electrical junction box 10 of the present embodiment, the plurality of connection blocks 31-34 are respectively held by the corresponding block holding portions 51a-51d of the path regulation guide member 25 and are connected to the connection blocks 31-34. The wire bundles 36-39 to be connected are placed on the respective wiring routes between the block holding portions 51a-51d and the opening 24a of the cylindrical portion 24 by the corresponding wire bundle fixing portions 52a-52d of the route regulation guide member 25. Fixed in place.
　この状態においては、複数の電線束固定部５２ａ‐５２ｄによって経路規制ガイド部材２５に沿った電線束３６‐３９の経路が固定され、機械的に把握できることから、電線束３６‐３９の長さを現物合わせでチューニングしたりする必要はない。 In this state, the route of the wire bundle 36-39 along the route regulation guide member 25 is fixed by the plurality of wire bundle fixing portions 52a-52d and can be mechanically grasped. Therefore, the length of the wire bundle 36-39 is increased. There is no need to tune in kind.
　また、電線束３６‐３９を、経路規制ガイド部材２５内の電線ガイド部５３の内奥側に容易に導入し、開口部２４ａ内に容易に集合させることができる。したがって、複数の接続ブロック３１‐３４への電線接続位置が開口部２４ａから離れている電線群１３が、ケース１２内で入り組むことがなく、電線群１３のうち入り組んだ電線が他の電線の接続作業を阻害するといったこともない。 Also, the wire bundle 36-39 can be easily introduced into the inner side of the wire guide portion 53 in the path regulation guide member 25 and can be easily assembled in the opening 24a. Therefore, the wire group 13 in which the wire connection positions to the plurality of connection blocks 31-34 are separated from the opening 24a is not complicated in the case 12, and the complicated wires in the wire group 13 are other wires. The connection work is not hindered.
　さらに、電線群１３の一端部１３ａでは、複数の電線束３６‐３９の余長が必要最低限となっており、複数の電線束３６‐３９がロアカバーである第２カバー部材２３内に整然と収容できることとなる。また、電線束３６‐３９の引き回しやコネクタ接続作業等のための余長の設定が容易にかつ的確にできることとなる。 Furthermore, at the one end portion 13a of the wire group 13, the extra length of the plurality of wire bundles 36-39 is the minimum necessary, and the plurality of wire bundles 36-39 are neatly accommodated in the second cover member 23 which is a lower cover. It will be possible. In addition, it is possible to easily and accurately set the extra length for the routing of the wire bundles 36-39 and the connector connection work.
　加えて、電気接続箱１０の組立工程において、各接続ブロック３１‐３４に電線束３６‐３９の電線の全ての端子等を挿入し、接続ブロック３１‐３４に対する電線束３６‐３９の一端側の接続作業が済んでから、経路規制ガイド部材２５によってこれらを一体的に保持しつつ、複数の接続ブロック３１‐３４をケース本体２１に同時に装填できる。 In addition, in the assembly process of the electrical junction box 10, all terminals of the wires of the wire bundle 36-39 are inserted into each connection block 31-34, and one end side of the wire bundle 36-39 with respect to the connection block 31-34 is inserted. After the connection work is completed, the plurality of connection blocks 31-34 can be simultaneously loaded into the case body 21 while these are integrally held by the path regulation guide member 25.
　したがって、複数の接続ブロック３１‐３４の装填作業が容易にかつ的確に実行可能になるとともに、電線束３６‐３９の電線の端子等を後から挿入するような作業がなくなり、接続作業の作業性が向上する。 Therefore, the loading work of the plurality of connection blocks 31-34 can be performed easily and accurately, and the work of inserting the terminals of the wires of the wire bundle 36-39 later is eliminated, so that the workability of the connecting work is improved. Will improve.
　さらに、本実施形態では、電線ガイド部５３のガイド溝５３ａ、５３ｂのうちいずか、例えばガイド溝５３ａが、経路規制ガイド部材２５の外周壁面を切り欠いて形成されている。したがって、予め一端側で接続ブロック３１‐３４に接続され、他端側にコネクタ等が装着された複数の電線束３６‐３９を、経路規制ガイド部材２５内の電線ガイド部５３の内奥側に容易に導入し、開口部２４ａ内に容易に配置できる。 Furthermore, in this embodiment, one of the guide grooves 53 a and 53 b of the wire guide portion 53, for example, the guide groove 53 a is formed by cutting out the outer peripheral wall surface of the path regulation guide member 25. Therefore, a plurality of wire bundles 36-39, which are connected in advance to the connection block 31-34 at one end side and attached with a connector or the like on the other end side, are placed on the inner back side of the wire guide portion 53 in the path regulation guide member 25. It can be easily introduced and placed in the opening 24a.
　また、本実施形態では、経路規制ガイド部材２５の複数のブロック保持部５１ａ‐５１ｄが複数の接続ブロック３１‐３４を抜け止め保持するとともに、底壁部５６ｅによって複数の電線束固定部５２ａ‐５２ｄと連結されている。したがって、複数の接続ブロック３１‐３４に対する複数の電線束３６‐３９の配線経路やその固定位置を精度よく、安定確保できる。 Further, in the present embodiment, the plurality of block holding portions 51a-51d of the path regulation guide member 25 hold the plurality of connection blocks 31-34 so as to prevent them from coming off, and the plurality of electric wire bundle fixing portions 52a-52d by the bottom wall portion 56e. It is connected with. Therefore, the wiring paths of the plurality of wire bundles 36-39 with respect to the plurality of connection blocks 31-34 and their fixing positions can be secured with high accuracy and stability.
　さらに、本実施形態では、複数の接続ブロック３１‐３４および電線群１３が、車両に搭載される配電ユニットを構成しているので、電気接続箱１０を介して給配電される車載電装品がより多くなったり電気接続箱１０の内部容積がより制限されたりし得るが、良好な作業性を発揮できるものとなる。 Further, in the present embodiment, since the plurality of connection blocks 31-34 and the electric wire group 13 constitute a power distribution unit mounted on the vehicle, more in-vehicle electrical components that are supplied / distributed via the electrical connection box 10 can be obtained. Although the number may increase or the internal volume of the electrical junction box 10 may be more limited, good workability can be exhibited.
　このように、本実施形態によれば、ケース１２内における電線群１３の経路を安定確保することができ、組立作業や電気接続作業の作業性に優れた電気接続箱１０を提供することができる。 Thus, according to this embodiment, the path of the wire group 13 in the case 12 can be secured stably, and the electrical connection box 10 excellent in workability of assembly work and electrical connection work can be provided. .
　なお、上述の各実施の形態では、複数のブロック保持部５１ａ‐５１ｄ同士あるいは複数の電線束固定部５２ａ‐５２ｄ同士がそれぞれ類似するものとして説明していたが、相違するものでもよいことはいうまでもない。また、電気接続箱１０を車両に搭載した状態での複数の接続ブロック３１‐３４の保持をケース本体２１でなされるものとしたが、経路規制ガイド部材２５側に図４Ｂに示すストッパ状のリブ５８のように複数の接続ブロック３１‐３４を下方から支障可能な支持用のストッパを設けて、経路規制ガイド部材２５および第２カバー部材２３（ロアカバー）によっても支持可能にすることが考えられる。 In each of the above-described embodiments, the plurality of block holding portions 51a-51d or the plurality of wire bundle fixing portions 52a-52d are described as similar to each other, but may be different. Not too long. Further, the plurality of connection blocks 31-34 are held by the case main body 21 in a state where the electrical connection box 10 is mounted on the vehicle, but the stopper-shaped rib shown in FIG. It is conceivable that a support stopper capable of interfering with the plurality of connection blocks 31-34 from below is provided as in 58, so that the connection blocks 31-34 can be supported by the path regulation guide member 25 and the second cover member 23 (lower cover).
　以上説明したように、本発明は、ケース内における電線群の経路が安定確保でき、組立作業や電気接続作業の作業性に優れた電気接続箱を提供することができ、車両に搭載される配電ユニットに好適な電気接続箱全般に有用である。 As described above, the present invention can provide an electric connection box that can stably secure the route of the electric wire group in the case, and has excellent workability in assembly work and electric connection work. Useful for all electrical junction boxes suitable for the unit.
１０　電気接続箱
１１　実装部品
１２　ケース
１３　電線群
１３ａ　一端部
１３ｂ　残部
２１　ケース本体
２１ａ　複数の嵌合凹部
２２　第１カバー部材
２３　第２カバー部材
２４　筒状部
２４ａ　開口部
２５　経路規制ガイド部材
２５ａ　複数の嵌合突起部
３１、３２、３３、３４　接続ブロック
３１ａ、３２ａ、３３ａ、３４ａ　電線接続部
３６、３７、３８、３９　電線束
５１ａ、５１ｂ、５１ｃ、５１ｄ　ブロック保持部
５２ａ、５２ｂ、５２ｃ、５２ｄ　電線束固定部
５３　電線ガイド部
５３ａ、５３ｂ　複数のガイド溝
５３ｃ　集合穴
５３ｄ、５３ｅ　複数の分割筒状部分
５３ｆ　筒状部
５３ｇ　電線束挿入口
５３ｈ　拡幅部
５５ａ、５５ｂ、５５ｃ、５５ｄ、５５ｅ　複数の対向壁部
５５ｒ　リブ状壁部
５６　ロック機構
５６ａ、５６ｂ、５６ｃ、５６ｄ　複数組の爪状の係合凸部
５６ｅ　底壁部
５７ａ、５７ｂ、５７ｃ、５７ｄ　ブロックガイド部 DESCRIPTION OF SYMBOLS 10 Electrical junction box 11 Mounting component 12 Case 13 Electric wire group 13a One end part 13b Remaining part 21 Case main body 21a Several fitting recessed part 22 1st cover member 23 2nd cover member 24 Cylindrical part 24a Opening part 25 Path | route control guide member 25a Multiple Fitting projections 31, 32, 33, 34 Connection blocks 31a, 32a, 33a, 34a Wire connection portions 36, 37, 38, 39 Wire bundles 51a, 51b, 51c, 51d Block holding portions 52a, 52b, 52c, 52d Wire bundle fixing portion 53 Wire guide portions 53a, 53b Multiple guide grooves 53c Collecting holes 53d, 53e Multiple divided cylindrical portions 53f Tube portion 53g Wire bundle insertion port 53h Widened portions 55a, 55b, 55c, 55d, 55e Opposing wall portion 55r Rib-like wall portion 56 Lock mechanisms 56a, 56b, 56c, 56d Multiple pairs of claw shapes Engaging portion 56e bottom wall 57a, 57b, 57c, 57d block guide portion
特開２０１０－５１０９４号公報JP 2010-51094 A 特開２０００－１３９５６号公報JP 2000-13156 A

Claims (4)

  1. 　それぞれ下面側に電線接続部を有する複数の接続ブロックと、前記複数の接続ブロックを収納するケース本体と、前記複数の接続ブロックの前記下面側を覆うように前記ケース本体に支持されるとともに、前記ケース本体との間に開口部を形成するカバー部材と、前記複数の接続ブロックの前記電線接続部に接続する一端部および前記開口部を通して前記ケース本体および前記カバー部材から外部に突出する残部を有する電線群と、を備える電気接続箱であって、
    　前記電線群の前記一端部が、前記複数の接続ブロックに接続する複数の電線束に分割されるとともに、
    　前記ケース本体および前記カバー部材の間に、前記複数の電線束の配線経路を規制する経路規制ガイド部材が配置されており、
    　前記経路規制ガイド部材は、
    　前記複数の接続ブロックを保持する複数のブロック保持部と、
    　前記複数の電線束を前記複数のブロック保持部と前記開口部の間の配線経路上の所定位置に固定する複数の電線束固定部と、
    　前記複数の電線束をそれぞれの束径方向に導入することができる凹状をなし、内奥側で前記複数の電線束を集合させることができる電線ガイド部と、を有していることを特徴とする電気接続箱。     A plurality of connection blocks each having a wire connection portion on the lower surface side, a case main body for storing the plurality of connection blocks, and supported by the case main body so as to cover the lower surface side of the plurality of connection blocks, A cover member that forms an opening between the case main body, a first end connected to the wire connecting portion of the plurality of connection blocks, and a remaining portion that protrudes outward from the case main body and the cover member through the opening; An electrical junction box comprising an electric wire group,
    The one end of the wire group is divided into a plurality of wire bundles connected to the plurality of connection blocks,
    Between the case body and the cover member, a path regulation guide member that regulates a wiring path of the plurality of electric wire bundles is disposed,
    The path regulation guide member is
    A plurality of block holding units for holding the plurality of connection blocks;
    A plurality of wire bundle fixing portions for fixing the plurality of wire bundles at predetermined positions on a wiring path between the plurality of block holding portions and the opening;
    It has a concave shape capable of introducing the plurality of electric wire bundles in the respective bundle radial directions, and has an electric wire guide part capable of collecting the plural electric wire bundles on the inner back side. Electrical junction box.
  2. 　前記電線ガイド部が、前記内奥側で互いに接続される一方、前記内奥側から互いに異なる方向に延びる複数のガイド溝を有しており、該複数のガイド溝のうちいずかの溝が、前記経路規制ガイド部材の外周壁面を切り欠いて形成されていることを特徴とする請求項１に記載の電気接続箱。 The wire guide portion is connected to each other on the inner back side, and has a plurality of guide grooves extending in different directions from the inner back side, and any of the plurality of guide grooves is The electrical junction box according to claim 1, wherein an outer peripheral wall surface of the path regulation guide member is cut out.
  3. 　前記複数のブロック保持部が、それぞれ前記複数の接続ブロックの前記下面側の端部を挟んで互いに対向しつつ前記複数の接続ブロックを抜け止め保持するロック機構を有するとともに、
    　前記複数のブロック保持部および前記複数の電線束固定部が、前記下面側の端部に対向する前記経路規制ガイド部材の底壁部によって互いに連結されてことを特徴とする請求項１または請求項２に記載の電気接続箱。     The plurality of block holding portions each have a lock mechanism that holds and holds the plurality of connection blocks while facing each other across the lower surface side ends of the plurality of connection blocks,
    The plurality of block holding portions and the plurality of wire bundle fixing portions are connected to each other by a bottom wall portion of the path regulation guide member facing the end portion on the lower surface side. 2. The electrical junction box according to 2.
  4. 　前記複数の接続ブロックおよび前記電線群が、車両に搭載される配電ユニットを構成していることを特徴とする請求項１ないし請求項３のいずれか１項に記載の電気接続箱。 The electric connection box according to any one of claims 1 to 3, wherein the plurality of connection blocks and the electric wire group constitute a power distribution unit mounted on a vehicle.
PCT/JP2016/084579 2015-11-24 2016-11-22 Electric connection box WO2017090597A1 (en)

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JP7107659B2 (en) * 2017-10-17 2022-07-27 矢崎総業株式会社 electric junction box

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000013956A (en) * 1998-06-18 2000-01-14 Sumitomo Wiring Syst Ltd Electric junction box and drawing-out tool
JP2010051094A (en) * 2008-08-21 2010-03-04 Sumitomo Wiring Syst Ltd Electric junction box
JP2010124561A (en) * 2008-11-18 2010-06-03 Yazaki Corp Harness route regulating structure for electrical junction box
JP2013215035A (en) * 2012-04-02 2013-10-17 Yazaki Corp Wire harness arrangement structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000013956A (en) * 1998-06-18 2000-01-14 Sumitomo Wiring Syst Ltd Electric junction box and drawing-out tool
JP2010051094A (en) * 2008-08-21 2010-03-04 Sumitomo Wiring Syst Ltd Electric junction box
JP2010124561A (en) * 2008-11-18 2010-06-03 Yazaki Corp Harness route regulating structure for electrical junction box
JP2013215035A (en) * 2012-04-02 2013-10-17 Yazaki Corp Wire harness arrangement structure

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