JPH0671233U - Wire harness for door - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the assembly of the wire harness in the safety window. [Structure] A protection bar (5A) for reinforcing the strength of a door is installed horizontally on a lower frame (3) of the door with a wire harness for the door installed therein. [Effect] By attaching the protection bar, the wire harness for the door is routed, so that the assembling property of the wire harness can be improved and at the same time, the manufacturability can be improved by integrally manufacturing the wire harness with the protection bar. Can be improved.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a door wire harness, and more particularly to a door wire harness that is applied to a truck having a safety window to improve the assembling property.

[0002]

[Prior art]

 In recent years, for large vehicles such as trucks, a so-called safety window has been adopted as a measure to prevent accidents involving two-wheeled vehicles when making a left turn, by allowing glass to be inserted into the panel surface of the passenger side door to allow perspective. FIG. 3 shows an example of a door having this safety window. As shown in the figure, the door includes a door frame 1, electrical components 4 such as actuators incorporated in the door frame 1, and reinforcement of the door. As a purpose, it is composed of a protection bar 5 installed laterally on the door frame 1 and a cover plate 6 which also serves as an interior plate and is attached to the entire lower surface of the door frame 1. There is one set as.

In such a door, the wire harness 7 that connects the electrical components 4 and the switches to the vehicle body is housed and routed in the lower frame 3 excluding the plain portion from the viewpoint of aesthetics and function. It has become preferable.

[0004]

[Problems to be solved by the device]

 However, in the above-mentioned door wire harness, the wiring route is set so that it escapes the plain part and surrounds the safety window, which increases the amount of electric wires used and increases the manufacturing cost. It was not preferable because its own weight increased. In addition, wiring harness installation including connector connection work is performed within a narrow door panel, and also involves blind work, which not only reduces workability but also depends on manual work, which is difficult to mechanize. Was extremely bad.

The present invention has been made in view of the above-mentioned conventional problems, and substantially eliminates the wiring of the wire harness in the door frame, and further, prevents work failures such as connector connection. It is an object of the present invention to provide a wire harness for a door, which can greatly improve workability by not causing it.

[0006]

[Means for Solving the Problems]

 That is, the above object of the present invention is to provide a wire harness for an automobile door, which is provided inside a door reinforcement protection bar that is horizontally installed in a door frame and is vertically separable into two parts. Achieved by harness.

[0007]

[Action]

 According to the present invention, a wire harness to be installed on a vehicle door is housed in a vertically-divided circularly-shaped protective bar, which is directly attached to a door frame across a safety window. Since the configuration is adopted, the wiring route can be shortened to shorten the electric wire, and the wiring work can be substantially omitted to improve the workability. Further, the protection bar has a structure in which a connector board is integrally provided on one end side thereof and is directly attached to the door frame via the connector board, whereby the work efficiency can be improved.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an embodiment of the present invention. FIG. 1 is an exploded perspective view of a door frame and a protection bar, and FIG. 2 is an exploded perspective view of a protection bar which is an essential part of the present invention. Shows. The present embodiment will be described assuming that the present invention is applied to a truck having a safety window. Further, the same components as those of the conventional structure shown in FIG. 3 will be described using the same reference numerals. In the figure, in the passenger side door of a truck, a door frame 1 forms a lower frame 3 provided with a see-through safety window 2 for preventing accidents. It has built-in electrical components such as wind motors and door lock actuators.

The door is reinforced by laterally installing a protective bar 5A on the lower frame 3 in order to cope with a side impact in the event of an accident, and the front end of the protective bar 5A is in front of the lower frame 3. The rear end of the lower frame 3 is fitted into an engagement groove 4 provided in the frame 3a, and its rear end is attached to a rear frame 3b of the lower frame 3 via a connector board 8 described later.

With reference to FIG. 2, the protection bar 5A and the wire harness 7A housed in the protection bar 5A and connected to each electric component will be described. The protection bar 5A is configured as a pair of gutter-shaped members 51 and 52 formed by vertically dividing a cylindrical body into two parts. One gutter-shaped member 51 is fixed to a position of the front end portion of the fixing board 9 and The weld nut 10 is welded, and a projecting piece 11 having a bolt hole is provided at a position serving as a rear end portion. On the other hand, the other gutter-shaped member 52 has a projecting piece 12 in which a bolt hole corresponding to the weld nut 10 is drilled at a position serving as a front end portion, and the projecting piece 11 is provided at a position serving as a rear end portion. The projecting piece 13 provided with the corresponding screw hole and the connector board 8 are provided respectively. The gutter-shaped members 51 and 52 are welded to the fixed board 9 and the connector board 8 via the narrowed portions 51a and 52a, respectively. Further, the protection bar 5A is formed of a steel pipe and has the same strength as the conventional product.

The wire harness 7A is configured as a molded electric wire 20 integrally formed by resin molding, and is provided in a shape to be housed in the protection bar 5A in a close contact state. The molded electric wire 20 has a grommet 21 inserted into a position corresponding to the front end portion of the protection bar 5A when it is accommodated in the protection bar 5A, and a tape winding is performed from the grommet 21 to the front end portion. A flexible electric wire portion 20a which is not molded is formed to join the connector 22, and connectors 23 and 24 are joined to the rear end portions, respectively. The connector 22 is connected to a body side connector (not shown), and the connectors 23 and 24 are connected to the switch side connector 16 and the regulator side connector 17 provided on the door frame.

The molded electric wire 20 configured as described above is disposed in both the gutter-shaped members 51 and 52 so as to expose the grommet 21, and then the front end portions in the both gutter-shaped members 51 and 52 are arranged. , The weld nut 10 and the projecting piece 12 are associated with each other and tightened with a bolt 14, and the rear end portion is associated with the projecting piece 11 and the projecting piece 13 with a bolt 15 so as to be integrated. By forming the protection bar 5 by the above, it is built in the protection bar 5A. Next, at the rear end portion, the connectors 23 and 24 of the molded electric wire 20 provided so as to be led out from the protection bar 5A are provided with the clip holes provided in the connector board 8 through which the clips provided respectively are provided. The board 8 is fitted in and fixed to the board 8.

As described above, in the protection bar 5A having the molded electric wire 20 built therein, the connectors 23 and 24 provided at the rear end portion are provided with the switch side connector 16 and the regulator provided beforehand on the rear frame 3b of the lower frame 3. When they are respectively connected to the side connectors 17, the mounting holes 8c provided in the connector boat 8 are aligned with the mounting holes 3c of the rear frame 3b, and they are screwed and fixed to the lower frame 3. On the other hand, the front end portion of the protection bar 5A is provided on the fixed boat 9 after the grommet 21 fitted on the molded electric wire 20 is fitted into the engagement groove 4 provided on the front frame 3a of the lower frame 3. It is fixed to the lower frame 3 by being screwed to the mounting holes 3d, 3d of the front frame 3a via the one mounting hole 9a, 9a. Finally, a cover plate (not shown) is attached to the lower frame 3 to manufacture the passenger side door.

With the above configuration, the wire harness is routed in the door frame at the same time when the protective bar is installed horizontally on the door frame, and the routing work is improved. In addition, although the above-mentioned embodiment has described the case where the present invention is applied to a truck having a safety window, the present invention is not only applied to such a case but also to a large vehicle having no safety window. It can also be applied to passenger cars to improve the wiring work of door wire harnesses.

[0015]

[Effect of device]

 As described above, according to the present invention, the wire harnesses for doors are collectively housed and arranged in the protection bar, so that the wiring harnesses can be fitted into the door frame in order not to spoil the appearance. It is possible to improve the workability by eliminating the conventional wiring work. In addition, since the wire harness is shortened to a straight line routed along the protection bar, cost reduction and weight reduction can be achieved at the same time by reducing the amount of electric wire used. Furthermore, by installing the protection bar, a reinforcing effect against the front-rear external force of the door frame can be obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the protection bar in FIG.

FIG. 3 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

 1 Door Frame 2 Safety Window 3 Lower Frame 3a Front Frame 3b Rear Frame 3c Connector Board Fixing Hole 3d Fixed Board Mounting Hole 4 Engagement Groove 5A Protective Bars 51, 52 Gutter 7A Wire Harness 8 Connector Board 8c, 9a Mounting Hole 9 Fixed board 10 Weld nut 11, 12, 13 Projection piece 14, 15 Bolt 16 Switch side connector 17 Regulator side connector 20 Molded electric wire 21 Grommet 22, 23, 24 Connector

Claims (4)

[Scope of utility model registration request] 1. A wire harness for a door of a vehicle, characterized in that the wire harness for a door of a vehicle is installed inside a door frame and inside a protection bar for reinforcing the door which is vertically separable into two parts. 2. The wire harness for a door according to claim 1, wherein a front end portion of the protection bar is locked to the door frame via a grommet into which a wire harness is fitted and inserted. 3. The protection bar has a connector board at the rear end thereof, to which a connector of a wire harness is attached and which is fixed to a door frame.
Wire harness for doors as described. 4. The wire harness for a door according to claim 1, wherein the wire harness is provided by a resin-molded molded wire.