JP3473474B2 - Connector connection box - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector connection box for fixing, to a vehicle body, connectors of wire harnesses connected to each other in a vehicle, for example.

[0002]

BACKGROUND ART This kind of connector connection box, as shown in FIG. 4, consists box body 41 in which one side is the opening 40, it is integrally formed of synthetic resin. In the connector connection box, a plurality of connector fixing portions 43 are provided on the inner surface of the side plate 42. And the connector connection box is, for example,
The opening 40 is attached to the mounting hole provided in the vertical portion of the vehicle body panel.
Is fixed in a posture in which the is oriented horizontally.

The end portion of the wire harness W wired along the vehicle body panel is taken into the connector connection box. The wire harness W taken into the box 41 is branched into a plurality of wire bundles F each connected to one male or female connector C. Each branched wire bundle F
Is connected to a box 4 with its connecting side
The connector 1 is fixed to each connector fixing portion 43 in a state in which the bottom surface side 1 faces the opening 40 side. That is, the connector connection box can easily connect the female side or male side connector of another wire harness to the connector C fixed to each connector fixing portion 43 from the outside of the opening 40. Is formed.

Therefore, the connector connection box is provided with a harness fixing portion 44 for fixing and holding the wire harness taken into the box body 41 together with the W sheath.
Between the harness fixing portion 44 and each connector C, the wire bundle F is formed to a depth such that it can be accommodated in a loosened state.

[0005]

For the convenience of wiring the vehicle body, the wire harness W may be taken into the box body 41 from above with respect to the connector connection box attached to the vertical portion of the vehicle body panel. In such a case, for example, it is conceivable that the water condensed on the vehicle body panel made of metal travels through the wire harness W and enters the box 41 through the opening 40. Then, it is conceivable that the water that has traveled through the wire harness W and entered the box body 41 travels from the wire harness W through each wire bundle F and reaches the connector C.
As a result, it is conceivable that the connector C gets wet with water and a short circuit or an electric leakage occurs.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to prevent the fixed connectors from being wet with water even if the water travels through the wire harness and enters the box. It is to provide a connector connection box capable of doing so.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 comprises a box body having an opening on one side surface, and an inner side surface of a side plate forming the opening portion. A plurality of connector fixing portions provided on the connector, and a connector to which a plurality of branched wire bundles introduced into the box body from the opening are connected, and a wire harness fixed to the connector fixing portions outside the opening. In a connector connection box provided with a harness fixing portion for fixing, the wire harness fixed to the harness fixing portion with the opening facing substantially horizontal direction is installed so as to be introduced into the box body from above the box body, With the connector connection box attached,
Introduced wire harness in the box body from above, or the wire harnesses do we rolled building each wire bundle, the downward direction
From selfish routing state, the lockable harness holding portion of the wire harness so as to extend upwardly, the
Place it on the inner surface of the bottom plate of the box while keeping it away from the inner surface of the side plate.
It is a connector connection box provided on the body .

[0008] 請 Motomeko invention described in 2 is the invention according to claim 1, wherein the harness holding portion is a pre-Symbol wire harness lockable convex solid portion.

The invention according to claim 3 is the invention according to claim 1 or claim 2 , wherein the box body is a side plate which becomes a bottom surface in the box body when the connector connection box is attached. A drainage section was provided to discharge water from the inside surface of the.

(Operation) According to the invention described in claim 1, in the state where the connector connection box is attached, the water that has passed through the wire harness introduced from above into the box body and entered the box body is temporarily moved upward. From the lower end of the wire harness or the bundle of wires extending toward the bottom of the box. Therefore, even if water due to condensation or the like travels through the wire harness and enters the box body, the water does not reach the connector of each wire bundle branched from the wire harness. In addition, the harness holding part is
Since it is molded at the
No additional work or assembly is required to provide a holding part
It

[0011]

According to the invention of claim 2 , claim 1
In addition to the operation of the invention described in (1), since the harness holding portion is formed by additionally machining a recessed portion in at least one of the male and female molding dies of the conventional box body, it is easy to divert the conventional molding die. Become.

According to the invention described in claim 3, claim 1
Alternatively , in addition to the function of the invention described in claim 2 , the water that has moved from the lowest position of the wire harness or each wire bundle to the lower part of the box moves to the inner surface of the side plate that is the bottom of the box. Then, the water is drained to the outside of the box. Therefore, water does not collect inside the box.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a front view of the connector connection box 10, and FIG. 2 is a sectional view taken along the line AA of FIG.

The connector connection box 10 is a box body 12 having an opening 11 on one side surface, which is integrally formed of synthetic resin. The box body 12 has a bottom plate 13 formed in a substantially rectangular shape, and a rectangular shape 4 provided on each edge of the bottom plate 13.
The side plate 14 is composed of three parts. A flange portion 15 that engages with a mounting hole H provided in the vehicle body panel P for mounting the connector connection box 10 is provided on the entire peripheral edge of the opening 11.

On the outer surface 14a of the side plate 14 forming the left side (in FIG. 1) of the box body 12, the flange portion 15 is locked to the vehicle body panel P and is locked to the mounting hole H, so that the box body 1
A pair of elastic locking portions 16 for fixing the left side portion of 2 to the vehicle body panel P are provided at the top and bottom.

On the other hand, the right side portion of the box body 12 with respect to the vehicle body panel P with the elastic locking portion 16 being locked to the flange portion 15 forming the right side (in FIG. 1) of the box body 12. A screw hole 17 is provided for fixing the same.

Further, the box body 12 has an inner surface 1 of each side plate 14.
4b is provided with a plurality of connector fixing portions 18 for fixing the male side connector C as a connector connected to each wire bundle F of the wire harness W. In each connector fixing portion 18, the connection side (the side to which the female connector is connected from the outside) of the male connector C with the wire bundle F connected is directed to the outside of the opening 11 (the right side in FIG. 2). It is formed so that it can be fixed in the state.

In the box body 12, the wire harness W is fixedly held together with the sheath in the component portion of the flange portion 15 which is the upper side (upper side in FIGS. 1 and 2) when the connector connection box 10 is mounted in the mounting hole H. A harness fixing portion 19 is provided for the purpose.

Further, the box body 12 has an inner surface 13 of the bottom plate 13.
In a state in which the connector connection box 10 is attached to the attachment hole H, the wire harness W introduced into the box body 12 from above is a harness holding portion and a convex shape for holding the wire harness W so as to extend upward once. Rib 2 as solid part
0 is provided. The rib 20 is integrally formed when the box body 12 is formed, and is formed in a simple plate shape.

Further, the box body 12 has a connector connection box 1
A drainage hole 21 is provided as a drainage portion for discharging water to the outside from the inner side surface 14b of the side plate 14 which is the bottom surface in the box body 12 when 0 is attached.

Next, the operation of the connector connection box configured as described above will be described. Connector connection box 10
A mounting hole H provided in a vehicle body panel P forming a vertical surface
Is attached in a state where the opening 11 is oriented horizontally and the harness fixing portion 19 is arranged on the upper side of the box 12.

An end portion of the wire harness W wired along the vehicle body panel P is taken into the connector connection box 10 from above the box body 12. The male-side connector C to which each wire bundle F of the wire harness W taken into the box 12 is connected is fixed to each connector fixing portion 18 so that the connection side is outside the opening 11. .

As shown in FIGS. 1 and 2, the wire harness W is accommodated in the box 12 while being locked to the rib 20. Then, the wire harness W is fixed to the harness fixing portion 19 together with the sheath in this state.

A part of the wire harness W passes through a position lower than each connector fixing portion 18 by the rib 20. As a result, the water that has passed through the wire harness W introduced into the box 12 from above and entered the box 12 falls below the box 12 from the lower end portion of the wire harness W that extends upward. Therefore, even if water due to dew condensation or the like travels through the wire harness W and enters the box 12, the water does not reach the male side connector C of each wire bundle F branched from the wire harness W.

The water dropped from the lowest position of the wire harness W has a side plate 14 which serves as a bottom surface in the box body 12.
It falls on the inner side surface 14b of the box, and the drain hole 21 causes the box body 1
2 is discharged to the outside. Therefore, water does not collect inside the box 12.

According to this embodiment described in detail above, the following effects can be obtained. (A) With the connector connection box 10 attached,
Wire harness W taken into the box 12 from above
Was held by the ribs 20 provided inside the box body 12 so as to extend upward. Therefore, even if water due to dew condensation or the like travels through the wire harness W and enters the box 12, the water is not transferred to the male side connector C of each wire bundle F branched from the wire harness W, and therefore is fixed. It is possible to prevent each male connector C from getting wet with water.

(B) Box 1 integrally formed of synthetic resin
The rib 20 is integrally formed on the second rib 2. Therefore, the ribs 20 are formed at the same time when the box body 12 is formed, and it is not necessary to perform additional work or assembly for providing the ribs 20 to the box body 12 after the formation. As a result, it is possible to prevent an increase in the number of parts and the number of assembling steps.

(C) The rib 2 which is a convex solid portion provided with the harness holding portion on the inner side surface 13a of the bottom plate 13 of the box body 12.
It was set to 0. Therefore, since the rib 20 is formed only by additionally machining a recess in at least one of the male and female molding dies of the conventional box body 12, the conventional molding dies can be easily diverted and easily implemented. .

(D) A drain hole 21 for discharging water to the outside is provided in the box body 12 from the inner side surface 14b of the side plate 14 which is the bottom surface in the box body 12 with the connector connection box 10 attached. . Therefore, since water does not collect inside the box body 12, it is possible to prevent the male connector C from getting wet with the collected water.

(E) The convex solid part is a simple plate-shaped rib 2
Since it is set to 0, the additional machining of the concave portion to the conventional molding die is facilitated, and it can be more easily performed. Less than,
Embodiments other than the above embodiment embodying the present invention will be listed as another example.

The convex solid portion may be formed integrally with the box body 12 as long as it can lock the wire harness W, and is not limited to the simple plate-shaped rib 20. For example, a rib formed in an L shape, a cylindrical convex portion, a rod-shaped convex portion, or the like may be used. In this case, there are the effects described in (a) to (c) of the above embodiment.

[0033] - Instead of convex solid portions can be formed in the recess that is additionally processed to at least one of the conventional box-12 male and female molding die, as shown in FIG. 3, the opening 11 of the wire harness W Bottom plate 13 so that it can be locked so that it does not move to the side
The hook-shaped locking portion 22 provided on the inner side surface 13a may be used. In this case, since it can be formed by forming a concave portion on one of the conventional male and female molding dies and building up a convex portion on the other, it is possible to use the conventional molding die. Is easy. Furthermore, in addition to the effects described in (a) and (b) of the above-described embodiment, the wire harness W can be reliably held.

[0034]

The harness holder is provided with a box 12 from above.
The wire harness W introduced therein is not limited to one provided so as to hold the wire harness W so as to extend once upward. Each wire bundle F branched from the wire harness W introduced into the box 12 from above and extending downward may hold the wire harness W so as to extend upward once. This configuration has the effect described in (a) of the above embodiment.

The connector connected to each wire bundle F of the wire harness W and fixed to each connector fixing portion 18 may be a female connector. Hereinafter, in addition to the inventions described in the claims, the technical idea grasped from the above-described embodiment or each other example will be described together with the effects thereof.

(1) In the invention described in claim 2 ,
The convex solid portion is a simple plate-shaped rib. According to this structure, it is possible to easily perform the additional machining of the concave portion in one of the conventional male and female molding dies, and it is possible to carry out the process more easily.

(2) In the invention described in claim 1 ,
The harness holding portion is a pre-Symbol lockable hook-like locking portion so as not to move the wire harness on the opening side (22). With this configuration, since it is possible to form a concave portion on at least one of the conventional male and female molding dies and build up a convex portion on the other, it is possible to use the conventional molding die and implement it. Besides being easy, in addition to the effects described in (a) and (b) of the above-described embodiment, it is possible to reliably hold the wire harness.

[0039]

As described in detail above, claims 1 to 1
According to the invention described in 3 , even if water due to dew condensation or the like travels through the wire harness and enters the box body, the water does not reach the connector of each wire bundle branched from the wire harness, so that each fixed connector is fixed. Can be prevented from getting wet with water. In addition, harness for the box after molding
No additional work or assembly is required to provide a holding part
Therefore, the number of parts and the number of assembly steps are not increased.
You can

[0040]

According to the second or third aspect of the present invention, since the conventional molding die can be easily used, the implementation becomes easy. According to the invention as set forth in claim 3 , since water does not collect inside the box, it is possible to prevent the connector from getting wet with the collected water.

[Brief description of drawings]

FIG. 1 is a schematic front view showing a connector connection box.

FIG. 2 is a schematic sectional view taken along the line AA of FIG.

FIG. 3 is a schematic perspective view showing a harness fixing portion of another example.

FIG. 4 is a schematic front view showing a conventional connector connection box.

[Explanation of symbols]

10 ... Connector junction box, 11 ... Opening part, 12 ... Box body, 1
3 ... bottom plate, 13a ... inner side surface, 14 ... side plate, 14b ... inner side surface, 18 ... connector fixing part, 19 ... harness fixing part, 2
0 ... Ribs as a harness holding portion and a convex solid portion, 21
... Drainage hole as drainage part, 22 ... Key-like locking part as harness holding part, C ... Male connector as connector, F
… Wire bundle, W… Wire harness.

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) H01R 33/94 B60R 16/02 621 H02G 3/16

Claims (3)

(57) [Claims] 1. A plurality of connector fixing portions provided on an inner side surface of a side plate forming the opening, and one side surface of the side plate forming an opening, and a plurality of connector fixing portions introduced into the box body through the opening.
A connector to which a plurality of branched wire bundles are connected is provided with a harness fixing portion for fixing the wire harness fixed to each connector fixing portion outside the opening, and the opening is oriented in a substantially horizontal direction. In a connector connection box in which the wire harness fixed to the harness fixing part is installed so as to be introduced into the box body from above the box body, the wire harness introduced into the box body from above with the connector connection box attached or wiring harness or we extended building each wire bundle, it is routed downward
From the state, the lockable harness holding portion of the wire harness so as to extend upwardly, or inner surface of the side plate
A connector junction box integrally provided on the inner surface of the bottom plate of the box body in a state of being separated from the box. 2. The harness holding portion is the wire harness.
The convex solid portion capable of locking the nest, according to claim 1.
Nectar connection box. 3. When a connector connection box is attached to the box body
The water from the inside of the side plate, which is the bottom of the box
Claim 1 or Claim which provided the drainage part for discharging to a part
Connector connection box described in 2.