JP2001045641A - Wiring structure of wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve exterior quality by preventing the loose part of a wire harness wired between two members from coming out, even when two members are rotated relatively. SOLUTION: A wire harness 18 is retained by two members, such as a clamp 40 fixed to an armrest support bracket 32 mounted pivotally on a side frame 30 of a sheet back 12 and a clamp 56 fixed to a rear wall part 50A of a frame member 50 of the armrest 14. Then, a length(L) between a through hole 48 in an armrest surface 46 and the clamp 56 is made long, so a part of the wire harness 18 functions as a loose-part absorbing part 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring structure of a wire harness, and more particularly to a wiring structure of a wire harness which is disposed over two relatively rotating members of a vehicle such as an automobile.

[0002]

2. Description of the Related Art In recent years, electric devices such as navigators have been increasingly mounted on vehicles such as automobiles. Generally, such an electric device with an operation is provided with an operation unit of the electric device in the vicinity of a seat, for example, on an armrest in consideration of the operability.

As shown in FIG. 8, when an operation unit 100 of a navigator is disposed on an armrest 104 rotatably attached to a side of a seatback 102A of a seat 102, the armrest 104 is moved to the position shown in FIG. By pivoting from the storage position shown by the two-dot chain line to the use position shown by the solid line in front, the operation unit 100 of the navigator is located at the upper front end 104A of the armrest 104 where it is easy to operate.

[0004]

However, when the operation unit 100 of the navigator is arranged on the armrest 104 rotatably attached to the side of the seatback 102A of the seat 102, the operation of the navigator is not performed. A wire harness 10 such as a power supply line extending from the operation unit 100
6 is wired from the armrest 104 to the seat back 102. As a result, the rotation of the armrest 104 causes a slack 106A in the wire harness 106 between the armrest 104 and the seatback 102A, and the slack 106A is caused by the slack 106A as shown in FIG.
04 and the seat back 102, the appearance quality deteriorates.

In view of the above facts, according to the present invention, even when the two members are relatively rotated, the wire harness wired between the two members does not protrude from the two members and the wire quality can be improved. The purpose is to obtain the wiring structure of the harness.

[0006]

According to a first aspect of the present invention, there is provided a second member rotatably provided with respect to a first member;
A wire harness that is continuously disposed from the inside of the first member to the inside of the second member, wherein a first clamp for fixing the wire harness inside the first member is provided. And a second clamp for fixing the wire harness inside the second member, wherein an insertion portion of the wire harness of the second member is separated from a rotation center of the second member. In addition, the distance between the insertion portion of the second member and the second clamp is increased to provide a slack absorbing portion.

[0007] Therefore, since the distance between the insertion portion inside the second member and the second clamp is increased and the slack absorbing portion is used, when the second member is rotated with respect to the first member, the first member is rotated. The extra length generated between the clamp and the second clamp is absorbed by the slack of the wire harness between the insertion portion inside the second member and the second clamp. As a result,
Even when the first member and the second member rotate relatively, the slack of the wire harness does not protrude from the first member and the second member, and the appearance quality can be improved.

According to a second aspect of the present invention, a second member is provided rotatably with respect to the first member, and is disposed continuously from inside the first member to inside the second member. In the wiring structure of a wire harness having a wire harness, a portion of the wire harness between the first member and the second member is disposed along a rotation axis of the second member. Features.

Therefore, since the portion of the wire harness between the first member and the second member is arranged along the rotation axis of the second member, even if the second member is rotated with respect to the first member. However, even if the wire harness is twisted at a portion between the first member and the second member, no extra length is generated. As a result,
Even when the first member and the second member rotate relatively, 2
The portion of the wire harness wired between the members does not protrude from the first member and the second member, and the appearance quality can be improved.

The present invention according to claim 3 provides the present invention according to claim 1 or 2
Wherein the first member is a seat back and the second member is an armrest.

In addition to the contents described in claim 1 or 2, when the seat back and the armrest rotate relatively, the slack of the wire harness wired between the two members protrudes from the seatback and the armrest. Instead, the appearance quality can be improved.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a wiring structure of a wire harness according to the present invention will be described with reference to FIGS.

In the drawings, an arrow FR indicates a vehicle forward direction, an arrow UP indicates a vehicle upward direction, and an arrow IN indicates a vehicle width inside direction.

As shown in FIG. 4, an armrest 14 as a second member is disposed on an inner side wall portion 12A of a seatback 12 as a first member in a front seat 10 for an automobile according to the present embodiment. ing. A switch panel 16 is provided above the front end of the armrest 14, and the switch panel 16 has a wire harness 1.
8 are connected. The wire harness 18 passes through the inside of the armrest 14, enters the inside of the seat back 12, and reaches a connector 22 provided on the seat cushion 20, and the connector 22 is connected to a wire harness (not shown) on the vehicle body side. ing. Therefore, by operating the switch panel 16, electric devices such as a navigator provided on the instrument panel can be controlled. In addition, a cup holder 26, a small container 28, and the like are disposed above the armrest 14.

The armrest 14 has a rear end portion which is rotatably connected to a lower portion of the side wall portion 12A of the seat back 12, and has a substantially horizontal use position shown in FIG. 4 and a storage position shown in FIG. Can be turned to In the storage position shown in FIG. 5, the armrest 14 is at a position where the armrest 14 rises substantially upward along the side wall 12 </ b> A of the seat back 12.

As shown in FIG. 1, an armrest support bracket 32 is provided on a side frame 30 of the seat back 12, and the armrest support bracket 32 has a pair of upper and lower flange portions 32A, each of which is provided on the side frame 30. It is fixed to the side surface 30A by welding or the like. In addition, the armrest support bracket 32 includes
The shaft 34 is rotatably supported, and the armrest 14 is fixed to the shaft 34. Therefore, the armrest 14
Is rotated about a shaft 34, and is stopped between a use position and a storage position by a well-known stopper mechanism (not shown).

At the side surface 30A of the side frame 30 near the rear side of the armrest support bracket 32,
A through hole 35 is formed, and the wire harness 18 passes through the through hole 35. The wire harness 18 is fixed to a rear side surface of the bearing portion 32B of the armrest support bracket 32 by a clamp 40 as a first clamp. The armrest support bracket 32 is covered with a seat back skin 42, and the wire harness 18 passes through a through hole 44 formed in a portion of the seat back skin 42 near the clamp 40.

On the other hand, a through hole 48 is formed at the rear end of the armrest skin 46 at a position facing the side wall 12A of the seat back 12, and the wire harness 18 passes through the through hole 48, The armrest 14 is provided in a gap 51 (see FIG. 3) between the rear wall portion 50 </ b> A of the frame member 50 and the armrest skin 46. As shown in FIG. 3, the gap 51 between the rear wall portion 50 </ b> A of the skeletal member 50 and the armrest skin 46 is a cushion material 53 disposed between the skeletal member 50 and the armrest skin 46.
Is cut out.

As shown in FIG. 1, a through hole 52 is formed in a lower portion of the rear wall portion 50A of the frame member 50 on the outer side in the vehicle width direction, and the wire harness 18 is provided with the through hole 52.
Has passed. The wire harness 18 is fixed to a portion 50B of the rear wall portion 50A in the outer peripheral portion of the through hole 52 by a clamp 56 as a second clamp. Also, the distance L between the clamp 56 and the through hole 48
Is set to be long, and the wire harness 18
Is a slack absorbing portion 18A.

The length of the slack absorbing portion 18A of the wire harness 18 is, as shown in FIG.
When 4 is the storage position, the length is set so that the slack of the slack absorbing portion 18A is substantially eliminated.

Next, the operation of the present embodiment will be described.

In the present embodiment, the clamp 40 attached to the armrest support bracket 32 provided on the side frame 30 of the seat back 12 and the armrest 1
The wire harness 18 is fixed by a clamp 56 attached to the rear wall 50A of the frame member 50 of No. 4. In addition, a through hole 4 formed in the armrest skin 46 is provided.
8 and the distance L between the clamp 56 are set long,
During this time, the part of the wire harness 18
A.

As a result, when the armrest 14 is rotated with respect to the seat back 12 from the storage position shown by the two-dot chain line in FIG. 3 to the use position shown by the solid line in FIG. The extra length of the wire harness 18 generated between the clamp 56 and the armrest skin 46
In the slack absorbing portion 18A set at a portion between the through hole 48 and the clamp 56 formed in the
Rear wall 50A of the skeletal member 50 and the armrest skin 46
Is absorbed by slacking down in the gap 51 between them.

Therefore, the armrest 14 is moved from the storage position shown by the two-dot chain line in FIG.
When the seat is rotated to the use position indicated by the solid line, the slack absorbing portion 18A of the wire harness 18 wired between the seat back 12 and the armrest 14 does not protrude from the seat back 12 and the armrest 14, and the appearance quality is improved. Can be improved.

In this embodiment, since the load acting on the wire harness 18 due to the rotation of the armrest 14 is small, the durability of the wire harness 18 is also improved. Further, costs can be reduced as compared with the case where a wireless remote controller is used.

Next, a second embodiment of the wiring structure of the wire harness of the present invention will be described with reference to FIGS.

The same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 6, in this embodiment, a shaft 60 having a hollow inside is rotatably supported by the armrest support bracket 32, and the armrest 14 is fixed to the shaft 60. Therefore, the armrest 14
Is rotatable about a shaft 60.

As shown in FIG. 7, ring-shaped flanges 60A and 60B are formed at both ends of the shaft 60, respectively. One flange 60A of the shaft 60 is supported by a bearing portion 62 formed on a side wall portion 50B of the frame member 50 of the armrest 14, and the other flange 60B of the shaft 60 is a top portion of the bearing portion 32B of the armrest support bracket 32. Are supported by a bearing portion 64 formed at the bottom. The wire harness 18 that has passed through the through hole 35 of the side frame 30 is guided through the shaft 60 into the frame member 50 of the armrest 14.

Next, the operation of the present embodiment will be described.

In this embodiment, the wire harness 18 that has passed through the through hole 35 of the side frame 30 passes through the inside of the shaft 60 and is guided into the inside of the skeleton member 50 of the armrest 14. As a result, even if the armrest 14 is rotated from the storage position to the use position with respect to the seatback 12, even if the portion 18B of the wire harness 18 between the seatback 12 and the armrest 14 is twisted, the extra length is small. Does not occur. For this reason, the portion 18B of the wire harness 18 wired between the seat back 12 and the armrest 14 does not protrude from the seat back 12 and the armrest 14, and the appearance quality can be improved.

In this embodiment, since the load acting on the wire harness 18 due to the rotation of the armrest 14 is small, the durability of the wire harness 18 is also improved. Further, costs can be reduced as compared with the case where a wireless remote controller is used.

In the above, the present invention has been described in detail with respect to a specific embodiment. However, the present invention is not limited to such an embodiment, and various other embodiments are included in the scope of the present invention. It is clear to a person skilled in the art that is possible. For example, in the second embodiment, the wire harness 18 is passed through the inside of the shaft 60 having a hollow inside. Instead, a shaft having no hollow inside is used, and a wire is provided along the outer periphery of the shaft. A configuration in which the harness 18 is wired may be employed. Further, the wiring structure of the wire harness of the present invention,
The present invention is not limited to the wiring structure of the wire harness between the seat back and the armrest, and can be applied to the wiring structure of another wire harness such as the wiring structure of the wire harness between the instrument panel and the luggage door.

[0034]

According to the first aspect of the present invention, the second member is provided rotatably with respect to the first member, and the second member is continuously provided from the inside of the first member to the inside of the second member. In a wiring structure of a wire harness having a wire harness,
A first clamp for fixing the wire harness inside the first member, and a second clamp for fixing the wire harness inside the second member, wherein the insertion portion of the wire harness of the second member is the second member And the first member and the second member are relatively rotated because the distance between the insertion portion of the second member and the second clamp is longer and the slack absorbing portion is provided. Also in this case, there is an excellent effect that the slack of the wire harness wired between the two members does not protrude from the first member and the second member, and the appearance quality can be improved.

According to a second aspect of the present invention, there is provided a second member rotatably provided with respect to the first member, and a wire harness continuously provided from inside the first member to inside the second member. Since the portion between the first member and the second member in the wire harness is disposed along the rotation axis of the second member, the first member and the second member Even when the members relatively rotate, there is an excellent effect that the slack of the wire harness wired between the two members does not protrude from the first member and the second member, and the appearance quality can be improved.

The present invention according to claim 3 provides the present invention according to claim 1 or 2
The first member is a seat back and the second member is an armrest, so that even when the seatback and the armrest are relatively rotated, wiring is performed between the two members. The slackness of the wire harness does not protrude from the seat back and the armrest, and has an excellent effect that the appearance quality can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of an armrest in a wiring structure of a wire harness according to a first embodiment of the present invention, as viewed obliquely from the rear inside a vehicle.

FIG. 2 is a perspective view showing a stored state of an armrest in the wiring structure of the wire harness according to the first embodiment of the present invention, as viewed obliquely from the inside and rearward of the vehicle.

FIG. 3 is an operation explanatory view of the wiring structure of the wire harness according to the first embodiment of the present invention.

FIG. 4 is a perspective view of the seat to which the wiring structure of the wire harness according to the first embodiment of the present invention is applied, showing a use state of the armrest as viewed obliquely from the front outside the vehicle.

FIG. 5 is a perspective view of the seat to which the wiring structure of the wire harness according to the first embodiment of the present invention is applied, which shows a stored state of the armrest, as viewed obliquely from the front outside the vehicle.

FIG. 6 is a perspective view showing a state of use of an armrest in a wiring structure of a wire harness according to a second embodiment of the present invention, viewed obliquely from the front outside the vehicle.

FIG. 7 is an enlarged sectional view taken along line 7-7 of FIG. 6;

FIG. 8 is a perspective view showing the wiring structure of a conventional wire harness as viewed obliquely from the front outside the vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Front seat 12 Seat back (1st member) 14 Armrest (2nd member) 18 Wire harness 18A Looseness absorption part of wire harness 30 Seatback side frame 32 Armrest support bracket 34 Shaft 35 Side frame through hole 40 Clamp (No. 1 clamp) 44 through hole in seat back skin 46 arm rest skin 48 through hole in arm rest skin 50 armrest skeleton member 52 skeleton member through hole 56 clamp (second clamp) 60 shaft with hollow inside

Claims (3)

[Claims] 1. A wire, comprising: a second member rotatably provided with respect to a first member; and a wire harness continuously provided from inside the first member to inside the second member. A wiring structure of a harness, comprising: a first clamp for fixing the wire harness inside the first member; and a second clamp for fixing the wire harness inside the second member. The insertion portion of the wire harness included in the second member is separated from the rotation center of the second member, and the distance between the insertion portion of the second member and the second clamp is increased to form a slack absorbing portion. Characteristic wiring structure of wire harness. 2. A wire comprising: a second member rotatably provided with respect to a first member; and a wire harness continuously provided from the inside of the first member to the inside of the second member. In the wiring structure of a harness, the first member and the second member in the wire harness
A wiring structure of a wire harness, wherein a portion between the wiring harness and the member is disposed along a rotation axis of the second member. 3. The wiring structure according to claim 1, wherein the first member is a seat back, and the second member is an armrest.