JP2021034174A - Connector block and wire distribution structure - Google Patents

Abstract

To provide a connector block and a wire distribution structure that can route wires while obtaining sufficient draining performance.SOLUTION: A connector block 20 includes a housing 26, a connector arrangement portion 27 that is provided at four places in the housing 26, and in which each end connector 150 of at least a pair of electric wires 100 including a hanging electric wire 110 hanging from above is arranged in a state of being connected to each other, and a second wire holding portion 22 and a third wire holding portion 23 for holding an intermediate portion of the hanging electric wire 110 provided at a position 26b below the connector arrangement portion 27 in the housing 26 such that the hanging electric wire 110 is curved downward and then directed toward the connector arrangement portion 27.SELECTED DRAWING: Figure 6

Description

The present invention relates to a connector block that holds an end connector of an electric wire distributed to a vehicle, and an electric wire wiring structure using such a connector block.

Some of the electric wires laid to the vehicle are hung from above in the vertical direction of the vehicle. Such a hanging electric wire may serve as a route through which water flows depending on the location of the wiring. Water that travels through the hanging wire in this way may, for example, run down to the end connector and cause electrical performance deterioration, which is not desirable.

Therefore, conventionally, a technique has been proposed in which the above-mentioned hanging electric wire is curved downward in the middle and arranged so that the water flowing through the hanging electric wire is dropped at the lowest point of the curvature to drain the water. (See, for example, Patent Document 1).

JP-A-2017-92003

However, when electric wires are laid to the vehicle, they may not be laid out in the intended curved shape due to interference with surrounding parts or other electric wires, or the wiring shape may be unintended due to the running vibration of the vehicle. It may change. In such a case, sufficient draining performance may not be obtained.

Therefore, it is an object of the present invention to pay attention to the above problems and to provide a connector block and an electric wire wiring structure capable of arranging electric wires while obtaining sufficient draining performance.

In order to solve the above problems, in the connector block of the present invention, a housing fixed to a vehicle and an end connector of at least a pair of electric wires including a hanging electric wire hanging from above in the vertical direction in the vehicle are paired. At least one connector arrangement portion provided on the inside or the outer surface of the housing, which is arranged in a state of being connected to each other, and at least one hanging electric wire are convexly curved downward. Provided with an electric wire holding portion for holding an intermediate portion of the hanging electric wire, which is provided at a position lower than the connector arranging portion in the housing so as to face the connector arranging portion. It is a feature.

Further, in order to solve the above problems, in the electric wire distribution structure of the present invention, at least a pair of electric wires including a hanging electric wire hanging from above in the vertical direction in a vehicle and an end connector of each of the at least a pair of electric wires are provided. It is characterized by including the above-mentioned connector block that holds a pair of objects in a state of being connected to each other.

According to the connector block and the electric wire distribution structure of the present invention, an electric wire holding portion for holding an intermediate portion of the hanging electric wire hanging at an angle such that water runs down is provided at a position below the connector arrangement portion. .. As a result, the water flowing down the hanging electric wire cannot proceed from the above-mentioned halfway portion to the end connector of the connector arranging portion, and is dropped at some point. Therefore, sufficient draining performance can be obtained regardless of the shape of the hanging wire up to the middle part or the shape of the hanging wire changed by the running vibration of the vehicle. Will be done. As described above, according to the connector block and the electric wire wiring structure described above, the electric wires can be arranged while obtaining sufficient draining performance.

It is a figure which shows one Embodiment of the connector block and the electric wire distribution structure. It is a figure which showed the electric wire distribution structure shown in FIG. 1 from the panel side with the panel removed. It is a perspective view of the electric wire distribution structure shown in FIG. 1 as seen from the direction of arrow V11 in FIG. It is a perspective view of the electric wire distribution structure shown in FIG. 1 as seen from the direction of arrow V12 in FIG. It is a perspective view which shows the connector block shown in FIGS. 1 to 4 together with the holding clip for a harness and the holding clip for an electric wire. FIG. 5 is an exploded perspective view showing the connector block shown in FIG. 5 in a state where the harness holding clip and the electric wire holding clip are removed.

Hereinafter, an embodiment of the connector block and the electric wire distribution structure will be described.

FIG. 1 is a diagram showing an embodiment of a connector block and an electric wire distribution structure.

In the electric wire wiring structure 1 shown in FIG. 1, three wire harnesses 10 are arranged inside the panel P constituting the vehicle body in the vehicle C. Each wire harness 10 is a collection of a plurality of bundles of electric wires (hereinafter, simply referred to as electric wires 100), and is branched into a plurality of electric wires 100 at each end. Each branched electric wire 100 is provided with an end connector as shown later.

Here, of the three wire harnesses 10, the three first electric wires 101 from the first harness 11 on the left side in the drawing are the two second electric wires 102 and the right from the second harness 12 on the right front side in the drawing. It is paired one-to-one with one third electric wire 103 from the third harness 13 on the back side. Further, one third electric wire 103 from the third harness 13 is laid around on the same side as the first electric wire 101 from below, and is paired with one second electric wire 102 from the second harness 12. Is doing. Then, these four pairs of electric wires 100 are connected to the connector block 20 via an end connector held in a connected state. Each pair of electric wires 100 is orthogonal to the vertical direction D11 of the vehicle C and passes through the connector block 20 in the horizontal direction D12 (that is, the front-rear direction of the vehicle C) along the mounting surface of the connector block 20 on the panel P. Is being routed.

FIG. 2 is a view showing the electric wire distribution structure shown in FIG. 1 from the panel side with the panel removed. Further, FIG. 3 is a perspective view of the electric wire wiring structure shown in FIG. 1 as viewed from the direction of arrow V11 in FIG. 1, and FIG. 4 is a perspective view of the electric wire wiring structure shown in FIG. , Is a perspective view seen from the direction of arrow V12 in FIG.

First, the connector block 20 is fixed to the panel P by two clips 21 provided on the side surface of the panel P side. The end connectors 150 of each of the four pairs of electric wires 100 are held in the connector block 20 in a state of being connected to each other in pairs. That is, a state in which the first connector 151 of the three first electric wires 101 is connected one-to-one with the second connector 152 of the two second electric wires 102 and the third connector 153 of the one third electric wire 103. Is held in the connector block 20. Further, the third connector 153 of one third electric wire 103 is held in the connector block 20 in a state of being connected to the second connector 152 of one second electric wire 102.

Here, in the present embodiment, of the four pairs of electric wires 100 described above, the three second electric wires 102 from the second harness 12 and the two third electric wires 103 from the third harness 13 are vehicles. It is a hanging electric wire 110 that hangs from above the vertical direction D11 in C. The connector block 20 is provided with a second electric wire holding portion 22 and a third electric wire holding portion 23 in order to hold four of the five hanging electric wires 110.

The second wire holding portion 22 is a portion for collectively holding the three second hanging wires 112 from the second harness 12 as the second harness 12, and is a harness holding clip 24 for holding the second harness 12. It is a fixed place of. The second electric wire holding portion 22 is formed in the connector block 20 after the three second hanging electric wires 112 are collectively curved downward as the second harness 12 via the harness holding clip 24. Direct to the location where the second connector 152 is placed.

Further, the third electric wire holding portion 23 is a portion for holding one of the two third hanging electric wires 113 from the third harness 13 that is arranged by taking a large detour, and this one. It is a fixing point of the electric wire holding clip 25 that directly holds the third hanging electric wire 113. The third electric wire holding portion 23 makes one third hanging electric wire 113 pass through a detour that is curved downward and then heads to the place where the third connector 153 is arranged in the connector block 20. ..

FIG. 5 is a perspective view showing the connector block shown in FIGS. 1 to 4 together with the harness holding clip and the electric wire holding clip. Further, FIG. 6 is an exploded perspective view showing the connector block shown in FIG. 5 in a state in which the harness holding clip and the electric wire holding clip are removed.

The connector block 20 has the following configuration for holding the plurality of end connectors 150 in the electric wire distribution structure 1 described above and arranging the electric wires 100. That is, the connector block 20 includes a housing 26, four connector arranging portions 27, a second electric wire holding portion 22, and a third electric wire holding portion 23.

The housing 26 is a resin member formed by combining a plurality of rectangular tubular small chambers to form a vertically long rectangular shape as a whole. Two clips 21 for fixing the connector block 20 to the panel P are provided on the side surface of the housing 26 on the panel P side. The connector block 20 is fixed to the panel P so that the longitudinal direction of the housing 26 in the vertically elongated shape faces the vertical direction D11 of the vehicle C.

The connector arranging portion 27 is arranged in a state where the end connectors 150 of each of the four pairs of electric wires 100 described above are connected to each other in pairs, and is arranged at two locations inside the housing 26 and two on the outer surface. There are places. The connector arranging portion 27 inside the housing 26 corresponds to two of the upper and lower two stages of the plurality of small rooms forming the housing 26. The connector arrangement portion 27 on the outer surface of the housing 26 is provided with one location on the upper surface and one location on the upper surface of the step portion in the middle stage.

Of these four connector arrangement portions 27, the first connector 151 of the first electric wire 101 and the third connector 153 of the third electric wire 103 are connected to the first arrangement portion 271 provided on the upper surface of the housing 26. Placed in the state. The second connector 152 of the second electric wire 102 and the third connector 153 of the third electric wire 103 are arranged in a connected state in the second arrangement portion 272 located on the upper stage side inside the housing 26. Further, the first connector 151 of the first electric wire 101 and the second connector 152 of the second electric wire 102 are arranged in a connected state in the third arrangement portion 273 located on the lower side inside the housing 26. Then, the first connector 151 of the first electric wire 101 and the second connector 152 of the second electric wire 102 are arranged in a connected state in the fourth arrangement portion 274 located on the upper surface of the step portion.

Then, the second electric wire holding portion 22 collectively bends the three second hanging electric wires 112 downward so as to be convexly curved, and then the second arrangement portion 272, the third arrangement portion 273, and the fourth arrangement portion 274. It is provided to hold the middle part of the second harness 12 so as to face each of them. Further, the middle portion of the third hanging electric wire 113 is formed so that the third electric wire holding portion 23 curves the one third hanging electric wire 113 downward and then directs the third hanging electric wire 113 toward the second arrangement portion 272. It is provided to hold.

The second electric wire holding portion 22 and the third electric wire holding portion 23 are located at a lower position 26b below the connector installation position 26a in which the four connector arrangement portions 27 are provided in the housing 26 in the vertical direction D11 of the vehicle C. It is provided. That is, the second electric wire holding portion 22 is provided below any of the second arrangement portion 272, the third arrangement portion 273, and the fourth arrangement portion 274 to which the three second hanging electric wires 112 face. Further, the third electric wire holding portion 23 is provided below the second arrangement portion 272 to which one third hanging electric wire 113 faces.

Further, the second electric wire holding portion 22 is a protruding portion that protrudes from the above-mentioned lower position 26b in the housing 26 and is provided with a slanted wall 221 that faces diagonally downward at the tip thereof. The inclined wall 221 of the second electric wire holding portion 22 is provided with a locked hole 222 in which the locking projection 241 provided on the harness holding clip 24 is fitted and locked. On the other hand, the third electric wire holding portion 23 has a lower position 26b on the outer wall of the housing 26 in which a locked hole 231 is formed in which a locking projection 251 provided on the electric wire holding clip 25 is fitted and locked. It is a wall part.

According to the connector block 20 and the electric wire distribution structure 1 of the embodiment described above, the second electric wire holding portion 22 and the third electric wire holding portion 22 for holding the intermediate portion of the hanging electric wire 110 hanging at an angle such that water flows down. The electric wire holding portion 23 is provided at a position 26b below the connector arranging portion 27. As a result, the water flowing down the hanging electric wire 110 cannot proceed from the above-mentioned halfway portion to the end connector 150 of the connector arranging portion 27, and is dropped at some point. Therefore, no matter what shape the hanging electric wire 110 is arranged up to the middle part, or no matter what shape the shape up to the middle part changes due to the running vibration of the vehicle C, sufficient draining performance Will be obtained. As described above, according to the connector block 20 and the electric wire wiring structure 1 of the present embodiment, the electric wires 100 can be arranged while obtaining sufficient draining performance.

Here, in the present embodiment, the third electric wire holding portion 23 serves as a wall portion of the housing 26 in which the locked projection 251 of the electric wire holding clip 25 is fitted and locked. ing. According to this configuration, since the wall portion of the housing 26 is used as it is as the third electric wire holding portion 23, the shape of the connector block 20 can be simplified and the manufacturing cost can be suppressed. Further, by providing the locked hole 231, it is possible to selectively use the holding clip 25 for the electric wire suitable for the size of the hanging electric wire 110 and the like, so that the wiring can be performed with a high degree of freedom. It can be performed.

Further, in the present embodiment, the second electric wire holding portion 22 has a protrusion portion 22 having a locked hole 222 formed on the inclined wall 221 at the tip thereof, in which the locking projection 241 of the harness holding clip 24 is fitted and locked. It has become. Also in this configuration, the harness holding clip 24 suitable for the size and the like of the hanging electric wire 110 to be distributed can be selectively used. Further, since the attachment location of the harness holding clip 24 is the inclined wall 221 facing diagonally downward, the water of the hanging electric wire 110 can be effectively dropped from the portion arranged along the inclined wall 221. Can be done.

Further, in the present embodiment, each pair of electric wires 100 are arranged so as to pass through the connector arrangement portion 27 in the horizontal direction D12 in the vehicle C via the pair of end connectors 150. According to this configuration, since the electric wire 100 faces the horizontal direction D12 in the vicinity of the connector arrangement portion 27, it is more difficult for water to reach the end connector 150 of the connector arrangement portion 27 through the electric wire 100, and the draining performance is improved. Can be further improved.

It should be noted that the embodiment described above merely shows a typical form of the connector block and the electric wire wiring structure, and the connector block and the electric wire wiring structure are not limited to this, and may be modified in various ways. can do.

For example, in the above-described embodiment, a connector block 20 is exemplified in which the end connectors 150 of each of the four pairs of electric wires 100 branched from the three wire harnesses 10 are held in a state of being connected to each other. There is. Further, an electric wire distribution structure 1 for arranging four pairs of electric wires 100 and three wire harnesses 10 in which such a connector block 20 is used is exemplified. However, the number of electric wires to be laid in the electric wire distribution structure, the electric wire form such as whether or not they are grouped as a wire harness, the number of end connectors held by the connector block, etc. are not limited to these. It can be set as appropriate.

Further, in the above-described embodiment, in order to directly hold the second electric wire holding portion 22 for collectively holding the three second hanging electric wires 112 as the second harness 12 and the one third hanging electric wire 113. The connector block 20 having the third electric wire holding portion 23 and the third electric wire holding portion 23 of the above is illustrated. However, the connector block is not limited to this, and may have only a wire holding portion that holds a plurality of hanging wires together as a harness, or directly holds the hanging wires one by one. It may have only the electric wire holding part. Further, it is possible to appropriately set how many electric wire holding portions are provided in what form.

Further, in the above-described embodiment, the second electric wire holding portion 22 and the third electric wire holding portion 22 and the third are provided with locked holes 222 and 231 to which the locking projections 241,251 of the harness holding clip 24 and the electric wire holding clip 25 are locked. The electric wire holding portion 23 is illustrated. However, the electric wire holding portion is not limited to these, and may be, for example, one in which a clip for holding the electric wire or the harness is integrally formed on the outer wall of the housing. However, as described above, by providing the locked holes 222 and 231 as described above, it is possible to selectively use an appropriate holding clip to perform the routing with a high degree of freedom.

Further, in the above-described embodiment, in addition to the third electric wire holding portion 23 which is a part of the outer wall of the housing 26, the second electric wire holding portion 22 which protrudes from the housing 26 and has a slanted wall 221 at the tip thereof. 20 is illustrated. However, the connector block is not limited to this, and may be provided only with a wire holding portion that is a part of the outer wall of the housing, and is a wire that protrudes from the housing and has a slanted wall at the tip. It may be provided with only a holding portion. However, according to the former electric wire holding part, the manufacturing cost of the connector block can be suppressed, and according to the latter electric wire holding part, the water of the hanging electric wire can be effectively dropped, as described above. is there.

Further, in the present embodiment, the connector block 20 in which each pair of electric wires 100 passes through the connector arrangement portion 27 in the horizontal direction D12 is exemplified. However, the direction in which the electric wire passes through the connector arrangement portion can be arbitrarily set. However, as described above, the draining performance can be further improved by setting the passing direction of the electric wire to the horizontal direction.

1 Wire distribution structure 10 Wire harness 11 1st harness 12 2nd harness 13 3rd harness 20 Connector block 21 clip 22 2nd wire holding part 23 3rd wire holding part 24 Harness holding clip 25 Wire holding clip 26 Housing 26a Connector installation position 26b Lower position 27 Connector arrangement part 100 Electric wire 101 1st electric wire 102 2nd electric wire 103 3rd electric wire 110 Hanging electric wire 112 2nd hanging electric wire 113 3rd hanging electric wire 150 End connector 151 1st connector 152 2nd connector 153 3rd connector 222,231 Locked hole 241,251 Locking protrusion 271 1st arrangement part 272 2nd arrangement part 273 3rd arrangement part 274 4th arrangement part C Vehicle P panel D11 Vertical direction D12 Horizontal direction

Claims (5)

The housing fixed to the vehicle and
At least one end connector of each of at least a pair of electric wires including a hanging electric wire hanging from above in the vertical direction in the vehicle is arranged inside or on the outer surface of the housing in which the pair is connected to each other. The connector arrangement part provided in the place and
The hanging electric wire provided at a position lower than the connector arrangement portion in the housing so that at least one of the hanging electric wires is convexly curved downward and then directed toward the connector arrangement portion. An electric wire holding part for holding the middle part, and
A connector block characterized by being equipped with. The electric wire holding portion is a wall portion at a lower position on the outer wall of the housing, in which a locking projection provided on a holding clip for holding the hanging electric wire is fitted and a locked hole is formed. The connector block according to claim 1, wherein the connector block is provided. The electric wire holding portion is a protruding portion that protrudes from the lower position of the housing and has an inclined wall that faces diagonally downward at the tip thereof, and is a locking projection provided on a holding clip that holds the hanging electric wire. The connector block according to claim 1, wherein a locked hole for being fitted and locked is formed in the inclined wall. One of claims 1 to 3, wherein the pair of electric wires are arranged so as to pass through the connector arrangement portion in the horizontal direction in the vehicle via the pair of end connectors. The connector block described in. At least a pair of electric wires including a hanging electric wire hanging from above in the vertical direction in a vehicle,
The connector block according to any one of claims 1 to 4, which holds the end connectors of each of the at least a pair of electric wires in a state of being connected to each other in pairs.
An electric wire distribution structure characterized by being equipped with.

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