JP2016060404A - Fitting structure of door harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a fitting structure for fitting a door to a door harness.SOLUTION: A fitting structure of a door harness is equipped with one closing plate for water proof which has such a size that the closing plate closes a service hole provided in a door inner panel of a door frame, and the closing plate is formed from a lightweight resin plate comprising a corrugated board made of a resin or a compression foam plate made of a resin. A door harness is wired on an indoor side surface of the closing plate, a band of a band clamp is wound around the door harness and is fixedly fastened to the door harness through a pair of band holes provided in the closing plate, a lock part provided on the band clamp is projected to an outdoor surface on the opposite side of the closing plate, and the lock part of the band clamp is inserted into and engaged with a lock hole provided in the door inner panel.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a door harness mounting structure, and more particularly, to wire a wire harness to a door of a vehicle such as an automobile with good workability.

  Conventionally, a door wire harness (hereinafter abbreviated as “door harness”) and electrical components for doors fed by the door harness are mounted inside the door of the vehicle, and the installation work of the door harness and electrical components is extremely difficult. It takes a lot of work. Specifically, as shown in FIGS. 7A and 7B, the door frame 100 is formed in a shape having a hollow portion 103 by joining the peripheral edges of the door outer panel 101 and the door inner panel 102, and the door inner 100 is formed. Large electrical components such as a door window regulator and a speaker are attached to the panel 102 and installed in the hollow portion 103. The door harness 150 is inserted into the hollow portion 103 through the service hole 102h opened for work in the door inner panel 102 and connected to a part of the electrical component, and is routed to the indoor side surface 102a of the door inner panel 102 to be electrically mounted. It is connected to a part of the product. The indoor side surface 102 a of the door inner panel 102 in which the door harness 150 is routed is covered with a door trim 104. When the hollow 103 is infiltrated through the window elevating opening provided in the window frame of the door inner panel 102, the door trim 104 is infiltrated through the service hole 102h, and in order to prevent the water from being sealed, the service hole 102h is sealed. A service hole cover 105 made of a vinyl sheet or the like is attached to the indoor side surface 102 a of the door inner panel 102.

  As described above, on the indoor side surface 102a of the door inner panel 102, an operation of attaching the service hole cover 105 to the service hole 102h and an operation of routing the door harness 150 and attaching it to the door inner panel 102 are required. Furthermore, in order to prevent the door harness 150 from being damaged at the edge of the service hole 102h, it is necessary to attach a protective material to the door harness 150, which increases the number of work steps and decreases the productivity.

  In order to improve the routing workability of the door harness, the present applicant has disclosed in Japanese Patent No. 4320961, Japanese Patent No. 4228546, etc., as shown in FIG. 8, a door harness 150 and door electrical equipment connected to the door harness. Proposing a device for attaching a door module panel 131 so that the door module 130 is provided on the door module panel 131 while the door inner panel 102A is provided with a large opening 120 and the opening 120 is closed. ing.

Japanese Patent No. 4320961 Japanese Patent No. 4228546

  When the door module 130 of Patent Document 1 shown in FIG. 8 is provided, in order to perform fixing work of the door harness to the door frame and connection operation of the door harness and some door electrical components in the wire harness assembly process, Labor saving can be achieved greatly in the vehicle assembly process. However, it is necessary to fix the door harness 150 to the door module panel 131 of the door module via a clamp or the like, and to connect and fix the door module panel 131 to the door frame with a bolt or the like in the vehicle assembly process. Therefore, both the fixing means for fixing the door harness 150 to the door module panel 131 and the fixing means for fixing the door module panel 131 to the door frame 100 are required, and the number of parts cannot be reduced.

  The door module panel 131 is enlarged to close the large opening 120 provided in the door inner panel 102A, and the large panel has a required rigidity to reinforce the door inner panel provided with the large opening. Need to be. Therefore, the door module panel 131 needs to be formed of a thick hard resin plate or metal plate having rigidity, which increases the weight and is difficult to handle for the operator.

  The present invention has been made in view of the above problems, and an object thereof is to enable a door harness to be attached to a door with good workability while reducing the number of parts.

  In order to solve the above-mentioned problems, the present invention includes a single waterproof closing plate sized to close a service hole provided in a door inner panel of a door frame, and the closing plate is made of a resin cardboard plate or A pair of band holes formed of a lightweight resin plate made of a resin compression foam plate, and fastened and routed with a band clamp band on the indoor side surface of the closing plate, and the band is drilled in the closing plate Through the door harness, the locking portion provided on the band clamp protrudes from the outdoor surface opposite to the closing plate, and the band clamp is inserted into the locking hole formed in the door inner panel. The door harness mounting structure is characterized in that the locking portion is inserted and locked to be fixed.

  In the present invention, the service hole, which is a work opening provided in the door inner panel, is replaced with a conventional service hole cover made of a soft vinyl sheet, as described above, from a resin cardboard board or a resin compression foam board. It is closed using a lightweight resin plate. The cardboard board made of resin is lightweight because it is a continuous extrusion molded product with a hollow structure in which a pair of thin plates made of polypropylene, polycarbonate, etc. are connected with a connecting material made of the same resin material at intervals, even if the closing plate is made large It has the advantage of not burdening the operator. Moreover, it has a plane holding force and toughness that can wire and fix the wire harness. Moreover, even if it is exposed in the flooded area between the door outer panel of the door inner panel and the door outer panel, it has waterproofness without impregnation, and it is easy to cut, so it has good workability and is inexpensive. Also have. As the resin cardboard, for example, a corrugated plate manufactured by Ube Nitto Kasei Co., Ltd. is preferably used.

In the door module of Patent Document 1, the door inner panel is shaped like an outer frame and a large opening is provided on the side of the room, and the opening is closed by a panel for wiring the wire harness. It does not increase in size, but merely provides an opening for fitting a conventionally provided service hole and door-mounted equipment. Therefore, the rigidity and strength required for the door module panel of Patent Document 1 are not required.
The closing plate of the present invention has a size capable of closing a plurality of service holes at once, and the area of the closing plate is about 2/3 of the door module panel of Patent Document 1. As described above, since the closing plate is reduced in size and light in weight, the attachment to the door inner panel does not place a burden on the operator.

The closing plate of the present invention is sized to close the plurality of service holes, the upper end of the closing plate is positioned at the lower end of the window frame for the window of the door inner panel, and is fixed to the door frame on the closing plate. It is preferable to provide an opening for projecting devices such as a door inside handle and a door armrest that project to the indoor side.
As described above, when the upper end of the closing plate is positioned along the lower end of the window frame for windows, it is possible to block water from entering the vehicle inner side of the door inner panel from the window opening.

  Furthermore, the lower end and the rear end of the closing plate are positioned so as to correspond to the lower end and the rear end of the door inner panel, and the position along at least the upper and lower ends of the closing plate is used as a door harness routing path. It is preferable that a locking hole for inserting and locking the locking portion of the band clamp is provided at a position along the outer peripheral edge of the closing plate along the routing path.

As described above, the band clamp for fixing the door harness routed on the indoor side surface of the closing plate to the closing plate is also used as a clip for fixing the closing plate to the door inner panel, thereby reducing the number of parts. .
In addition, when there are more locations where the door harness is fixed along the routing route on the closing plate than the location where the closing plate is fixed to the door inner panel, the door harness is fixed to the closing plate with an adhesive tape, etc. Other fixing means may be used in combination.

  In the door harness mounting structure of the present invention, the service hole, which is a work opening provided in the door inner panel, is closed with a closing plate made of a lightweight resin plate in which the door harness is routed, and the service hole cover is unnecessary. In addition, a band clamp is used as a fixing means for attaching the door harness to the closing plate along the wiring path, and a band hole of the band clamp is provided in the closing plate, and the locking portion of the band clamp is used as a door inner It protrudes to the panel side and serves also as a fixing means for the closing plate and the door inner panel. Thereby, the fixing means of the door harness and the fixing means of the closing plate to the door inner panel can be used together, the number of parts can be reduced, and the workability of attaching the door harness to the door can be improved.

It is a perspective view of the side door which shows the embodiment of the present invention. It is a front view of the state which wired the door harness to the door inner panel of the said side door. (A) is the sectional view on the AA line of FIG. 1, (B) is the exploded view of (A). The closing plate is shown, (A) is a partially enlarged perspective view, (B) is a perspective view of a portion provided with a band hole. The band clamp is shown, (A) is a cross-sectional view, (B) is an explanatory view showing the relationship between the band clamp, the closing plate and the door inner panel, and (C) is attached to the closing plate using the band clamp and It is sectional drawing which shows the state which has attached the closing board to the door inner panel. (A) (B) is drawing which shows the modification of this invention. (A) (B) is drawing which shows a prior art example. It is a perspective view which shows another prior art example.

Hereinafter, an embodiment of a door harness mounting structure of the present invention will be described with reference to the drawings.
1 to 5 show a first embodiment.
As shown in FIGS. 1 and 2, the door harness 1 is routed to the side door 50 on the front side of the automobile. The door harness 1 is fixed to the closing plate 2 using a band clamp 3 in the wire harness assembling process, and the closing plate 2 assembled with the door harness 1 is attached to the indoor side surface 5a of the door inner panel 5 in the automobile assembling process. The band clamp 3 is used for fixing.

  As shown in FIG. 3, the side door includes a door frame 4 having a hollow portion 7 that joins the peripheral edge of the door inner panel 5 and the peripheral edge of the door outer panel 6, and includes a window regulator and a side mirror driving device in the hollow portion 7. A part of door electrical equipment (not shown) such as a door lock device is mounted on the outdoor side surface 5b of the door inner panel 5, and the connector connection portion of the door electrical equipment with the door harness 1 is the door inner. Arranged on the indoor side surface 5 a of the panel 5. Further, devices such as a door inner handle, a door armrest, and a window switch that protrude from the indoor side surface of the door are fixed to the indoor side surface 5 a of the door inner panel 5.

  The door inner panel 5 is provided with large service holes 8A and 8B for work at the upper and lower portions of the substantially central portion. In order to prevent water from entering the interior side surface 5a of the door inner panel 5 from the hollow portion 7 through the service holes 8A and 8B, the service holes 8A and 8B need to be closed and waterproofed. Therefore, the service holes 8A and 8B are attached to the indoor side surface 5a of the door inner panel 5 using the band clamp 3 to close the service holes 8A and 8B. Therefore, as shown in FIG. 3B, the door inner panel 5 is provided with a locking hole 9 for locking the band clamp 3.

  As shown in FIGS. 1 and 2, the size of the closing plate 2 extends in the front-rear direction from the center portion to the rear side portion except the front side portion of the door inner panel 5, and from the lower edge of the window frame. It extends up and down to the lower end of the door, and has an area of about 2/3 of the area of the door inner panel 5. And the periphery of this closing board 2 is made into the shape notched in the connection position with the connector of the said apparatus for doors. Further, the closing plate 2 is provided with an opening 2h1 for the door inner handle, an opening 2h2 for the door armrest, and an opening 2h3 for the door switch.

  As shown in FIG. 4, the closing plate 2 is a resin cardboard plate that is continuously extruded. The resin cardboard plate has a hollow structure in which a pair of thin plates 2a and 2b made of polypropylene are connected by a connecting member 2c with a gap therebetween. As the resin cardboard, for example, a cardboard manufactured by Ube Nitto Kasei Co., Ltd. is used. The thin plate 2a is an indoor side plate, and the thin plate 2b is an outdoor side plate.

  Since the closing plate 2 has a hollow structure, it has an advantage of being lightweight, and can easily cut the outer shape into a required shape, and can easily make a pair of band holes 2c1 and 2c2 per one band clip 3. Has processability. Furthermore, it has a plane holding force in a state in which the door harness 1 is routed, and is suitable as a waterproof wall because it is made of resin and has water repellency. In particular, it has an advantage of being inexpensive.

  The door harness 1 that is routed on the surface of the thin plate 2a that is the indoor side surface of the closing plate 2 has a position along the outer periphery of the closing plate 2 and a position that facilitates connection with the electrical equipment for the door. It is routed as. Specifically, as shown in FIG. 2, the routing path L of the door harness 1 is along the upper edge 2 u of the closing plate 2, and after dropping downward from the front end of the upper edge 2 u, the lower edge of the closing plate 2 The routing route extends in the direction along 2d. In order to attach the door harness 1 to the routing route L along the outer peripheral edge of the closing plate 2, a band clamp 3 is attached to the bent position of the routing route L and fixed to the closing plate 2.

  The band clamp 3 uses a band clamp of a resin molded product that is widely used. The band 12 protrudes from the band locking box 13, and the locking piece 13 b is provided in the through hole 13 a provided in the band locking box 13. It is protruding. A serrated locking groove 12a is provided continuously to the band 12 wound around the door harness 1, and the locking piece 13b is locked and fastened to the locking groove 12a. The locking portion 14 protruding from the lower surface of the band locking box 13 is inserted and locked into the locking hole 9 drilled in the door inner panel 5. The locking portion 14 has a blade shape, and a pair of blade portions 14b are provided in a folded shape from the tip of the shaft portion 14a protruding from the lower surface of the band locking box 13, and a locking step portion 14c is provided at the tip of the blade portion 14b. Provided. Further, a dish portion 14 e surrounding the base portion of the shaft portion 14 a is provided so as to protrude from the lower surface of the band locking box 13.

  The door harness 1 is attached to the closing plate 2 by placing the door harness 1 along the routing path L on the surface of the thin plate 2a which is the indoor side surface of the closing plate 2, and the thin plate 2b which is the outdoor side surface of the closing plate 2 The band 12 of the band clamp 3 arranged on the side is passed through the band hole 2c1 of the closing plate 2, wound around the door harness 1, and then drawn out to the outdoor side surface through the band hole 2c2, and the band 12 is inserted into the through hole 13a of the band locking box 13. The door harness 1 is fastened by selectively locking the locking piece 13b to the locking groove 12a of the band 12.

  In a state where the door harness 1 is routed on the closing plate 2, the trunk line 1 a of the door harness 1 protrudes outward from the closing plate 2 from above the front end of the closing plate 2, and the branch line 1 b branched from the trunk line 1 a The branch line 1c is routed along the upper edge 2u to the rear end, and the branch line 1c is lowered along the front end edge and routed rearward along the lower edge 2d of the closing plate 2. The connectors C1 and C2 connected to the ends of the branch lines 1b and 1c protrude outward from the closing plate 2 and are connected to door electrical components. In addition, a branch line branched from the branch line 1c is provided, and a connector C3 and the like of the terminal of the branch line are connected to the device.

  The door harness 1 is attached to the closing plate 2 in the wire harness assembling process. The door harness 1 is transported to the automobile assembling process in a state where the door harness 1 is assembled to the closing plate 2, and is attached to the indoor side surface 5a of the door inner panel 5. It is supposed to be attached.

  On the door inner panel 5 of the door frame 4, devices such as speakers 17, window regulators, door locks, door electrical components such as side mirror controllers, inner handles, door armrests, and the like are attached. In this way, the closing plate 2 with the door harness 1 attached is arranged on the indoor side surface of the door inner panel 5 of the door frame 4 to which the door device is attached, with the service holes 8A and 8B closed, and closed. The locking portion 14 of the band clamp 3 located on the outdoor side of the plate 2 is inserted and locked into the locking hole 9 formed in the door inner panel 5. When the closing plate 2 is attached, a door inner handle is fitted into the opening 2h1 of the closing plate 2 and protrudes indoors, and a door armrest is fitted and protrudes into the opening 2h2, and a switch protrudes into the opening 2h3. .

  By attaching the closing plate 2 to the door inner panel 5, the door harness 1 is routed on the indoor side surface of the door inner panel 5, and the connectors C1 to C3 of the terminals of the branch lines 1b and 1c of the door harness 1 are connected to the door. It connects with the electrical equipment for doors attached to the inner panel 5.

  The connector of the branch line terminal branched from the trunk line 1 a of the door harness 1 is connected to the speaker 17 positioned at the lower front side of the door inner panel 5. The trunk line 1a of the door harness is routed to the front end of the door inner panel 5 and connected to a wire harness (not shown) on the vehicle body side through a connector.

  As described above, after the closing plate 2 is fixed to the door inner panel 5 and necessary processing such as connector connection is completed, the door trim (not shown) is covered on the indoor side surface of the door inner panel 5 to cover the door harness 1. It is attached to.

  With the above configuration, since the door harness 1 is assembled to the closing plate 2 in the harness assembly process, the work of directly fixing the door harness to the door frame 4 using a clamp in the automobile assembly process becomes unnecessary. In addition, since the band clamp 3 for attaching the closing plate 2 to the door inner panel 5 is also used as the band clamp for attaching the door harness 1 to the closing plate 2, the number of parts of the clamp can be halved. Further, since the closing plate 2 is made of a lightweight resin plate, it has a waterproof function and functions as a service hole cover that conventionally closed the service holes 8A and 8B. Therefore, it is not necessary to attach the service hole cover, and by only attaching the closing plate 2 to which the door harness 1 is attached, it is possible to prevent the occurrence of flooding from the flooded area on the hollow portion 7 side to the waterproof area on the indoor side of the door inner panel 5.

  Further, since the size of the closing plate 2 is smaller and lighter than the door module panel of the conventional example, the closing plate 2 is also light even when the door harness 1 is assembled to the closing plate 2 and can be operated when the door frame 4 is attached. Can be reduced. Furthermore, since the door harness 1 attached to the side of the passenger compartment of the closing plate 2 does not contact the edges of the service holes 8A and 8B of the door inner panel 5, there is no need to attach a protective material to the door harness 1 and the door harness is simplified. it can. Furthermore, the closing plate 2 is inexpensive and can be easily cut into a required outer shape and can be provided with a band hole.

  The present invention is not limited to the above-described embodiment, and the number of fixing points required for attaching the door harness to the closing plate along the routing route is larger than the fixing points required for attaching the closing plate to the door inner panel. There is. In this case, for example, as shown in FIG. 6 (A), the thin plate 2a on the indoor side surface of the closing plate made of a resin cardboard plate is cut and raised to provide the mounting piece 2k, and the mounting piece 2k is provided on the outer surface of the door harness 1. It may be covered and fixed with an adhesive tape T.

  As the closing plate, instead of the resin cardboard plate, a compression foamed plate 2-2 made of polypropylene or the like may be used as shown in FIG. 6B.

1 Door harness 2 Closing plate 2c1, 2c2 Band hole 3 Band clamp 12 Band
13 Band locking box 14 Locking portion 4 Door frame 5 Door inner panel 8A, 8B Service hole 9 Locking hole

Claims (2)

  A waterproof closing plate having a size for closing a service hole provided in the door inner panel of the door frame is provided, and the closing plate is a lightweight resin plate made of a resin cardboard plate or a resin compression foam plate. The door harness is fastened to the indoor side surface of the closing plate with a band of a band clamp, and the band is wound around the door harness through a pair of band holes formed in the closing plate, and fixed. The locking part provided on the band clamp protrudes from the outdoor surface opposite to the closing plate, and the locking part of the band clamp is inserted and locked into the locking hole drilled in the door inner panel. A structure for mounting a door harness, characterized in that:   The closing plate is sized to close the plurality of service holes, the upper end of the closing plate is positioned at the lower end of the window frame for the window of the door inner panel, and is fixed to the door frame on the indoor side of the door. The door harness mounting structure according to claim 1, wherein an opening for projecting a device such as a door inside handle or a door armrest is provided.

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