JP2010000878A - Wire harness - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wire harness that prevents a decline in production efficiency. <P>SOLUTION: The wire harness 1 includes: a plurality of sub harnesses 2a, 2b, and 2c each having a plurality of electric wires 4 and an insulating block 5 mounted to one ends of the plurality of electric wires 4; and a combination block 3 obtained by combining the plurality of sub harnesses 2a, 2b, and 2c and their respective insulating blocks 5 together. The plurality of electric wires 4 of each of the sub harnesses 2a, 2b, and 2c are arranged in parallel, and the plurality of sub harnesses 2a, 2b, and 2c are extending in different directions from the combination block 3. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a wire harness routed in a moving body such as an automobile.

  An automobile as a moving body is a wire harness 100 for supplying electric power from a power source such as a battery to electronic devices such as various lamps and various motors mounted thereon (illustrated in FIG. Has been routed. The wire harness 100 shown in this patent document 1 is obtained by assembling a plurality of sub-harnesses 101 to each other. As shown in FIG. 11, the sub-harness 101 includes a plurality of electric wires 102 and an insulator block 103 attached to the plurality of electric wires 102.

The wire harness 100 is assembled by sequentially arranging the sub-harness 101 on the wiring board and assembling the insulator blocks 103 of the sub-harness 101 to each other. When the sub-harness 101 is routed on the wiring board, the electric wire 102 is routed in a fashion extending radially from the insulator block 103 with the insulator block 103 as the center.
JP 2005-212726 A

  In the conventional wire harness 100 described above, the sub-harness 101 is routed on the wiring board in such a manner that the electric wires 102 extend in the radial direction from the insulator block 103. Therefore, each sub-harness 101 is routed on the wiring board. And when assembling, it was necessary for the worker to move repeatedly in the left-right direction of the wire board. For this reason, there has been a tendency that the labor and time required for routing the sub-harness 101 to the wiring board is prolonged. And the conventional wire harness 100 was a tendency for production efficiency to fall.

  Therefore, the objective of this invention is providing the wire harness which can suppress the fall of production efficiency.

  In order to solve the problems and achieve the object, a wire harness of the present invention includes a plurality of sub-harnesses including a plurality of electric wires and an insulator block attached to one end of the electric wires, and the plurality of the plurality of sub-harnesses. A wire harness including a united block obtained by uniting the insulator blocks of the sub-harness, and the plurality of sub-harnesses are parallel to each other, and a plurality of sub-harnesses are combined. It is characterized by its appearance extending in different directions from the block.

  According to the present invention, the plurality of electric wires constituting each sub-harness are parallel to each other, and the plurality of sub-harnesses extend radially in different directions from the combined block. For this reason, the electric wire which comprises each subharness does not extend in a mutually different direction from a united block, ie, an insulator block. Therefore, when arranging a plurality of sub-harnesses on the wiring board, for example, the worker moves in one direction so that the worker moves from the left side to the right side of the wiring board. Can be routed to the wiring board.

  As described above, in the present invention, when arranging a plurality of sub-harnesses on the wiring board, for example, the worker moves only in one direction so that the worker moves from the left side to the right side of the wiring board. A plurality of sub-harnesses can be arranged in order on the wiring board. For this reason, it is possible to prevent the labor and time required for routing the sub-harness from the wiring board from being prolonged, thereby preventing the production efficiency of the wire harness from being lowered.

  Hereinafter, a wire harness 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 10. The wire harness 1 shown in FIG. 1 is routed to an automobile or the like as a moving body, and is supplied from a power source such as a battery to electronic devices such as various lamps and various motors mounted on the automobile. Supply.

  As shown in FIG. 1, the wire harness 1 includes a plurality of sub-harnesses 2 and one united block.

  In the illustrated example, three sub-harnesses 2 are provided. The sub harness 2 includes a plurality of (in the illustrated example, three) electric wires 4 and one insulator block 5. In addition, the subharness 2 which has the insulator block 5 arrange | positioned in order from the left side in FIG. 1 among the insulator blocks 5 arranged side by side is shown by the code | symbol 2a, 2b, 2c in order below. Each of the electric wires 4 is a so-called covered electric wire provided with a core wire made of a conductor and a covering portion made of an insulating material or the like covering the core wire. A terminal fitting (not shown) made of sheet metal or the like is attached to one end of the electric wire 4.

  The insulator block 5 is made of an insulating synthetic resin and is formed in a cylindrical shape. The insulator block 5 accommodates the terminal fitting and is attached to one end of the electric wire 4.

  As shown in FIG. 2, the united block 3 includes an outer housing 6, the insulator blocks 5 of the sub-harnesses 2a, 2b, and 2c described above, and a plurality of connection members (not shown). The outer housing 6 is made of an insulating synthetic resin and has a box shape. The insulator block 5 is accommodated in the outer housing 6 and fixed to the outer housing 6.

  When the insulator blocks 5 are accommodated in the outer housing 6, they are united with each other. The connecting member is attached to the outer housing 6 and electrically connects predetermined terminal fittings of the insulator block 5 accommodated in the outer housing 6. The combined block 3 accommodates the insulator block 5 in the outer housing 6 to which the connecting member is attached, and the insulator blocks 5 are combined with each other in the outer housing 6, and the connecting member is a predetermined member of the insulator block 5. Obtained by connecting terminal fittings together.

  In the wire harness 1 described above, the plurality of wires 4 of each of the sub-harnesses 2a, 2b, 2c are parallel to each other, and the plurality of sub-harnesses 2a, 2b, 2c are extended from the combined block 3 in different directions. Then, it is routed to the car mentioned above.

  The wire harness 1 having the above-described configuration is assembled by assembling the above-described sub-harnesses 2a, 2b, and 2c with each other using the wiring board 10 shown in FIG. The wiring board 10 is formed in a plate shape. The wiring board 10 is configured to travel endlessly on a factory floor by rails or the like, or is supported by an autonomously traveling cart or the like on the factory floor along a predetermined pattern. It is supposed to run.

  On the surface of the wiring board 10, the union block 3 and the wiring pattern of the electric wires 4 of the sub-harnesses 2a, 2b and 2c are drawn. As shown in FIG. 3, the wiring board 10 is provided with a plurality of ties 11 for supporting the sub-harnesses 2a, 2b, 2c in accordance with the wiring pattern. Each of the tying tools 11 is erected from the wiring board 10 and can tie the electric wires 4 of the sub-harnesses 2a, 2b, and 2c. Furthermore, the wiring board 10 is provided with a holding jig 12 for holding the outer housing 6 of the united block 3 as shown in FIG.

  An example of a process of assembling the wire harness 1 by assembling the sub-harnesses 2a, 2b, 2c using the wiring board 10 having the above-described configuration will be described below. First, as shown in FIG. 4, the outer housing 6 in which the connection member is attached to the holding jig 12 is held.

  Then, the other end of the electric wire 4 of the sub-harness 2a is tied to the tie 11 located on the leftmost side in FIG. 5, while the worker moves from the left side in FIG. After the electric wires 4 are arranged in order on the arrangement pattern from the other terminal toward the one terminal and one terminal is connected to the tie 11, as shown in FIG. It is accommodated in the housing 6.

  Further, after the worker moves the wiring board 10 from the left side to the right side in FIG. 5 in order, the insulator block 5 of the sub-harness 2b is accommodated in the outer housing 6 as shown in FIG. As shown in FIG. 7, one end of the electric wire 4 of the sub-harness 2 b is tied to the tie 11. The insulator block 5 of the sub harness 2 c is accommodated in the outer housing 6, and one end of the electric wire 4 of the sub harness 2 c is tied to the tie 11. Then, while the insulator blocks 5 are united, the connecting member electrically connects the terminal fittings of the insulator block 5 to each other.

  Thereafter, the worker routes the electric wires 4 of the sub-harnesses 2b and 2c according to the wiring pattern while further moving from the left side of the wiring board 10 to the right side in FIG. Then, while the worker further moves from the left side of the wiring board 10 to the right side in FIG. 8, as shown in FIG. 8, the electric wire 4 of the sub harness 2 c is connected to the tie 11 from one terminal side to the other side. Connect in order toward the terminal side.

  Then, the worker connected the other end of the electric wire 4 of the sub-harness 2b to the tie 11 as shown in FIG. 9 while further moving from the left side in FIG. Thereafter, as shown in FIG. 10, the other end of the electric wire 4 of the sub-harness 2 c is tied to the tie 11. In this way, the sub-harnesses 2a, 2b, 2c are assembled. Furthermore, the wire harness 1 is assembled by wrapping a tape around the outer periphery of a predetermined portion of the electric wire 4 or attaching an exterior product such as a protector or a grommet.

  According to the present embodiment, the plurality of electric wires 4 constituting each of the sub-harnesses 2a, 2b, 2c are parallel to each other, and the plurality of sub-harnesses 2a, 2b, 2c are radially radiated from the combined block 3 in different directions. The appearance is extended. For this reason, the electric wire 4 which comprises each subharness 2a, 2b, 2c does not extend in a mutually different direction from the unification block 3, ie, the insulator block 5. FIG. Therefore, when arranging the plurality of sub-harnesses 2a, 2b, 2c on the wiring board 10, for example, the worker only moves in one direction so that the worker moves from the left side to the right side of the wiring board 10 concerned. The plurality of sub-harnesses 2a, 2b, 2c can be routed on the wiring board 10 in order. For this reason, it is possible to prevent the labor and time required for routing the sub-harnesses 2a, 2b, and 2c from being routed to the wiring board 10, and thus the production efficiency of the wire harness 1 is reduced. Can be prevented.

  In the embodiment described above, the worker assembles the wire harness 1 while moving in order from the left side to the right side of the wire board 10. However, the present invention is not limited to moving from the left side to the right side, but may be assembled while moving in any direction as long as the worker moves and assembles in only one direction.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

It is a top view showing typically composition of a wire harness concerning one embodiment of the present invention. It is a top view which shows typically the structure of the united block of the wire harness shown by FIG. It is a top view which shows typically the structure of the wiring board used when assembling the wire harness shown by FIG. It is a top view which shows typically the state which attached the outer housing of the united block to the attached board shown by FIG. It is a top view which shows typically the state which wired one subharness to the wiring board shown by FIG. It is a top view which shows typically the state which attached the insulator block of the other subharness of the wiring board shown by FIG. It is a top view which shows typically the state which attached the insulator block of another other subharness of the wiring board shown by FIG. It is a top view which shows typically the state which tied the electric wire of another other subharness shown by FIG. 7 to the tie. It is a top view which shows typically the state which wired another subharness to the wiring board shown by FIG. It is a top view which shows typically the state which wired another other subharness to the wiring board shown by FIG. It is a top view which shows typically the structure of the conventional wire harness.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wire harness 2, 2a, 2b, 2c Sub harness 3 Combined block 4 Electric wire 5 Insulator block

Claims (1)

A plurality of sub-harnesses including a plurality of electric wires and an insulator block attached to one end of the electric wires;
In a wire harness comprising a united block obtained by uniting the insulator blocks of the plurality of sub-harnesses,
A wire harness characterized in that a plurality of electric wires of each sub-harness are parallel to each other, and the plurality of sub-harnesses extend in different directions from the combined block.

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