JPH10172657A - Wiring structure of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase the extent of the option of the connector design and heighten the productivity of connectors while retaining the protective function for terminals and the guiding function for a counterpart connector at the time of connection. SOLUTION: A wire harness 32 is unitedly formed in a door trim 14 and following the installation of the door trim 14 in a main body 12, respective connectors 34, 36 attached to the wire harness 32 are connected with respective connectors 22, 24 (connectors produced by housing female type terminals in a male type housing) fixed in the main body 12. Hollow projections 40 are formed in the door trim by integral molding and the respective connectors 34, 36 of the wire harness 32 are installed in the respective hollow projections 40. The respective connectors 34, 36 are so constituted as to project the tip ends of male type terminals out of a housing 37 and fixing recessed parts to receive counterpart connectors 22, 24 are constituted of the inner faces of the hollow projected parts and the housing by installing the respective connectors 34, 36 in the hollow projections 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a connector such as a wire harness routed on a vehicle.

[0002]

2. Description of the Related Art Heretofore, as a male connector used for electrical connection between various electric wires, a male terminal is mounted on a female housing having a fitting recess for introducing a housing of a mating connector at the end. Is known. In this type of male connector, when the male terminal is accommodated in the housing, the terminal end serving as a contact portion with the mating terminal protrudes into the fitting recess, and the side wall forming the fitting recess is formed. (Hereinafter referred to as the hood) to protect the terminal tip by surrounding it,
At the time of connection, the connectors can be quickly and appropriately connected while guiding the housing of the mating connector (that is, the female connector) by the hood.

In recent years, in a vehicle wiring structure, in order to improve work efficiency, a connector of an electric component is fixed to a vehicle body, and a wire harness is provided integrally with an interior panel (interior material) or the like. It is considered that the connector of the electrical component and the connector of the wire harness are fitted by holding the interior panel fixedly in a connectable state and attaching the interior panel to the vehicle body in a fixed positional relationship.

[0004] In such a wiring structure, it is necessary to quickly connect the corresponding connectors and to protect the terminals from deformation due to a collision. Therefore, the hood of the housing in the male connector plays an important role. Play.

[0005]

By the way, the hood provided on the housing of the male connector plays an important role in the connection between the connectors as described above. For this reason, sinks and warpage are generated in the housing at the time of molding, which causes a reduction in yield, which is a negative factor in increasing the productivity of the housing. Therefore, in order to avoid the occurrence of such sink marks and the like, many restrictions are imposed on the shape and dimensions in the connector design, but this undesirably impairs the degree of freedom in connector design.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem. A wire harness or the like is integrally provided on an interior material of a vehicle, and a connector such as a wire harness is attached to the interior material when the interior material is attached to a mounting portion. Wiring structure designed to be connected to the mating connector fixed to the part to be attached, while maintaining the protection function of the terminal at the time of connection and the guiding function for the mating connector, the flexibility of connector design and the productivity of the connector It is an object of the present invention to provide a vehicle wiring structure capable of improving the vehicle wiring structure.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a first connector in which a male terminal is accommodated in a housing, and a first connector in which a female terminal is accommodated in a housing. A connector connected to the interior material in a wiring structure in which the connectors are connected to each other in accordance with the attachment of the interior material to the attachment portion. A cylindrical portion protruding from the first connector is provided by integral molding, the first connector is interposed in the cylindrical portion, and in this state,
The cylindrical portion and the housing of the first connector are formed so that the housing of the first connector and the inner surface of the cylindrical portion form a fitting recess for introducing the housing of the second connector. (Claim 1).

According to this wiring structure, the inner surface of the cylindrical portion and the housing of the first connector form a recess for fitting into the second connector, and the cylindrical portion has the function of protecting the male terminal and the second connector. The connector guidance function is exhibited. For this reason, the housing of the first connector does not need to form a fitting recess in the housing itself unlike the conventional housing of this type that houses the male terminal, although the housing houses the male terminal.

In particular, in the above structure, the cylindrical portion
If a cylindrical shield member made of a conductor is fitted inside (claim 2), the external electrostatic force on the connector can be reduced.
Alternatively, magnetic effects can be cut off.

[0010]

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a back door of a vehicle to which a wiring structure according to the present invention is applied. The back door 10 shown in FIG. 1 is a back door of a wagon type vehicle, and is supported by a frame of the vehicle body via a hinge so as to be openable and closable.

An opening 16 for mounting a rear glass is formed in the upper part of the main body 12 of the back door 10.
A rear glass is mounted on the opening 16 via a weather strip. Although not shown, various electric components such as a high-mount stop lamp, a door lock device, a key switch, and a wiper unit are provided around the opening 16, and a door trim (interior material) 14 is provided. Is attached to the main body 12 below the opening portion 16.

In the main body 12, a concave portion 20 is formed in a portion where the door trim 14 is mounted as shown in FIG. 1, and connectors 22 and 24 (second connectors) are provided at both left and right (widthwise) ends of the concave portion 20, respectively. Connector) is provided.

These connectors 22 and 24 are female connectors each having a female terminal housed in a male housing.
It is fixedly attached to the main body 12 toward the front of the vehicle, and electric wires derived from the respective electrical components such as the door lock device are connected to the respective connectors 22 and 24 via terminals. That is, by using a common connector for a large number of electrical components in this way, the connectors can be centralized, and by arranging the connectors at two places on the left and right, each electrical component is arranged in relation to the layout of each electrical component. This can avoid the adverse effect of lengthening the electric wire.

The main body 12 is provided with a main harness 18. The main harness 18 includes the main body 1
2, one end is led out above the main body 12, and a connector 19 for connection to a roof side wire harness (not shown) is provided here. On the other hand, the other end of the main harness 18 is connected to a joint box (not shown) mounted on the main body 12. An electric wire led out of the joint box is connected to the connector 24.

On the other hand, the door trim 14 has a wire harness 32 for electrical components such as the door lock device.
Are provided integrally.

The wire harness 32 has a connector 34 for the connector 22 on the left side of the main body 12 at one end,
A connector 36 corresponding to the connector 24 on the right side of the main body 12 is provided on the other end side. Each of these connectors 34, 36 (first connector) is a pair of left and right molded integrally with the door trim 14. The door trim 1 is set in a hollow projection (cylindrical portion) 40 of
4 attached.

That is, each of the hollow projections 40 is connected to the main body 1.
1 and 2, each of the connectors 22 and 24 is formed in a tubular shape having a rectangular cross section that opens toward the rear of the vehicle. A plurality of locking holes 42 for mounting the 34 and 36 are formed in the door trim 14. on the other hand,
Each of the connectors 34 and 36 has a housing 37 having a hollow projection 4.
A plurality of locking projections 37a corresponding to the locking holes 42 are formed on the back surface, that is, on the surface on the side where the male terminals 39 are inserted, corresponding to 0. Then, the housing 37 is fitted into the hollow projection 40, and each of the locking projections 37a corresponds to the corresponding locking hole 42.
Into the housing 3
7 is locked to the door trim 14 via the locking projection 37a and the locking hole 42, whereby the connectors 34 and 36 are set in the hollow projection 40 in a state where they cannot be dropped off.
Although not shown in detail, the locking projection 37a has a mushroom shape, and when the locking projection 37a is inserted into the locking hole 42, the large diameter portion at the tip of the locking projection 37a is locked. It is adapted to engage with a throttle portion formed at the entrance of the hole 42.

Here, the housings 37 of the connectors 34 and 36 accommodate the male terminals 39 attached to the ends of the electric wires 38 of the wire harness 32, respectively. The housing 37 is configured to protrude toward the front surface side. When the connectors 34 and 36 are set in the housing 37 as described above, a space is formed between the inner surface of the hollow projection 40 and the surface of the housing 37 as shown in FIG. At the time of connector connection, the housings of the connectors 22 and 24 of the main body 12 are introduced into the spaces, and the connectors 22 and 24 are connected to the connectors 34 and 36, respectively. It is configured to:

That is, in a conventional housing of this type for accommodating a male terminal, that is, a female housing, a fitting recess for a mating connector is formed in the housing itself. The inner connector and the surface of the housing 37 form a mating connector, that is, the main body 12.
Of the connectors 22 and 24 into the housing. A taper 41 is formed at the entrance of the hollow projection 40 as shown in FIG.
This facilitates introduction of the connectors 22 and 24.

In the hollow projection 40, a longitudinal slit 44 extending in the connector connection direction is formed at one corner.
A horizontal slit 46 extending parallel to the surface of the door trim 14 continuously to the vertical slit 44 is formed at the base end of one of the side walls constituting the hollow projection 40 and sandwiching the vertical slit 44. Are formed. These slits 44, 16 are for releasing the electric wire 38 of the wire harness 32, and the respective connectors 34, 3
When 6 is set in each hollow projection 40, the electric wire 38 is interposed from the vertical slit 44 and introduced into the horizontal slit 46.

According to the back door 10 configured as described above, when the door trim 14 is attached to the main body 12, the housings of the connectors 22, 24 of the main body 12 are fitted into the corresponding hollow projections 40 accordingly. , Body connectors 12 and 24 and corresponding door trim 1
The connectors 34 and 36 on the fourth side are connected. As a result, various electrical components such as a door lock device mounted on the back door 10 are electrically connected to a controller or the like on the vehicle body via the wire harness 32, the joint box, the main harness 18, and the roof side wire harness. That is, by attaching the door trim 14 to the main body 12, the wiring of all the electrical components mounted on the back door 10 is completed, and this has a feature that the assemblability of the back door 10 is improved.

Moreover, in the above-described structure, each connector 34 of the wire harness 32 attached to the door trim 14
36 is set in the hollow projection 40, the inner side surface of the hollow projection 40 and the surface of the housing 37 form a recess into which the mating connectors 22 and 24 are fitted. Since the guide function of the connectors 22 and 24 is exhibited, the housing 3 of each of the connectors 34 and 36 is provided.
Regarding 7, as described above, although it is a housing for accommodating a male terminal, it is not necessary to form a fitting recess in the housing itself unlike a conventional housing of this type for accommodating a male terminal. In other words, there is no need to form a so-called hood in the housing. Therefore, the housing 37
In the manufacture of slabs, sinks and warpage during molding due to the hood are eliminated, thereby increasing the yield and improving the productivity, and increasing the degree of freedom in connector design by eliminating the need for the hood. There is an advantage that can be.

The back door 10 is an application example of the vehicle wiring structure according to the present invention, and the specific structure and the like can be appropriately changed without departing from the gist of the present invention.

For example, as shown in FIG. 3, a box-shaped inner surface forming member 5 made of a metal conductor is provided inside the hollow protrusion 40.
0 may be inserted so that the connectors 34 and 36 set in the hollow protrusion 40 are surrounded by the inner surface forming member 50. In this case, the slits 44 and 4 of the hollow protrusion 40 are provided in the inner surface forming member 50.
6 are formed to allow the electric wires 38 to escape, and the through holes 52 corresponding to the locking holes 42 are formed.
May be formed on the bottom so that the locking projection 37a can protrude into the locking hole 42.

With this configuration, since the connectors 34 and 36 are surrounded by the metal conductor, the external electrostatic or magnetic influence is cut off and the connectors 34 and 36 are shut off.
Thus, a shielding effect against 36 is exhibited. Therefore, without using an expensive shielded connector, in other words, using a general connector, it is possible to suppress the influence of static electricity or the like at the connector connection portion, thereby providing a wiring structure resistant to static electricity or the like at low cost. It becomes possible. In this case, as shown in FIG. 4, a through hole 54 is formed in the side wall of the inner surface forming member 50, and a corresponding protrusion 56 is formed on the inner surface of the hollow protrusion 40, and the inside of the hollow protrusion 40 is formed. With the inner surface forming member 50 fitted in the
The inner surface forming member 50 can be reliably fixed in the hollow projection 40 by projecting the through hole 54 into the through hole 54. In addition, the inner surface forming member 50 does not necessarily need to be box-shaped, and may be cylindrical.

The shape of the hollow projection 40 and each connector 3
The means for locking the door trims 4 and 36 to the door trim 14 is not limited to the illustrated one, but may be appropriately changed according to the shape of the connector and the wiring structure.

[0028]

As described above, according to the present invention, the first connector in which the male terminal is accommodated in the housing is attached to the interior material of the vehicle, and the first connector is attached to the attached portion.
In the structure in which the connector is connected to the second connector fixed to the mounting portion, the interior material is provided with a cylindrical portion projecting in the connector connection direction by integral molding,
A first connector is interposed in the cylindrical portion, and in this state, an inner surface of the cylindrical portion and the housing of the first connector form a recess for fitting into the second connector, thereby providing a protective function for the male terminal and the like. Since the housing and the cylindrical portion of the first connector are configured so as to exhibit the guiding function of the second connector, the housing of the first connector is a housing for accommodating a male terminal, There is no need to form a fitting recess in the housing itself as in a conventional housing of this type for housing a male terminal. Therefore, it is possible to eliminate the occurrence of sinks and warpage at the time of molding the housing due to the formation of the fitting recess.
As a result, the yield at the time of manufacturing can be increased to improve the productivity, and the degree of freedom in connector design can be increased because the hood is not required.

In particular, if a cylindrical shield member made of a conductor is fitted into the upper part of the tube to surround the connector, an external electrostatic or magnetic influence on the connector connection portion can be obtained with a low-cost structure. Can be shut off.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a back door to which a vehicle wiring structure according to the present invention is applied.

FIG. 2 is a sectional view showing a hollow protrusion formed on a door trim (in a state where a connector is set).

FIG. 3 is a cross-sectional view showing a state in which an inner surface forming member is mounted on a hollow protrusion formed in a door trim (a state in which a connector is set).

FIG. 4 is an enlarged view of a main part in FIG. 3 showing a structure for fixing an inner surface forming member to a hollow protrusion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Backdoor 12 Main body 14 Door trim 16 Opening 18 Main harness 20 Depression 22, 24 Connector 32 Wire harness 34, 36 Connector 37 Housing 37a Locking projection 38 Electric wire 39 Male terminal 40 Hollow projection 41 Taper 42 Locking hole 44 Vertical Slit 46 Horizontal slit

Claims (2)

[Claims] 1. A first connector housing a male terminal in a housing is attached to an interior material, while a second connector housing a female terminal in a housing is attached to a mounting portion of the interior material and attached. In the wiring structure configured so that each of the connectors is connected to each other with the attachment of the interior material to the portion, the interior material is provided with a tubular portion projecting in the connector connection direction by integral molding. The first connector is interposed in the portion, and in this state,
The tubular portion and the housing of the first connector are formed such that the housing of the first connector and the inner surface of the tubular portion form a fitting recess for introducing the housing of the second connector. Vehicle wiring structure. 2. A cylindrical shield member made of a conductor is fitted inside said cylindrical portion.
Vehicle wiring structure as described.