JPH1086715A - Release cable wiring structure of reclining mechanism for rear seat back - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a working property for interconnecting a release cable and a reclining mechanism and restrain malfunction of the reclining mechanism lock releasing operation. SOLUTION: A release cable 11 is once drawn out of a reclining mechanism 5 mounted to a floor panel 1 to bring down forward a seat back 4 of a rear seat 2 along the floor panel 1 to the front of a compartment and then reversed backward to be disposed over a release knob 10 of the rear part of a cargo chamber R.B, so that the surplus length of the cable can be ensured in front of the reclining mechanism. A traction force of the release cable 11 can be absorbed even if the release cable 11 is pulled by the deformation of a car body panel in collision at the rear. Also, the release cable 11 can be connected to the reclining mechanism 5 in front of the seat back to improve the operability without interfering the operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a release cable routing structure for a reclining mechanism for a rear seat back of an automobile.

[0002]

2. Description of the Related Art Some automobiles are known in which a seat back of a rear seat is moved forward so that a cargo room behind the seat back can communicate with a vehicle compartment. As disclosed in Japanese Patent Application Laid-Open No. 7-200004, a release knob is provided at the rear of the luggage compartment, and the release operation of the release knob allows the seat back to be easily moved forward even from the luggage compartment side. Have been.

Specifically, as described above, while a release knob is provided at the rear of the cargo compartment, a release cable having one end connected to a lock release lever of a reclining mechanism for adjusting a tilt angle of a seat back of a rear seat is provided. The release cable is pulled out rearward from the base portion of the reclining mechanism, the release cable is arranged along the floor panel of the luggage compartment, and the other end is connected to the release knob. The lock release lever is operated to unlock the reclining mechanism, and the rear seat is tilted forward by the urging force of the forward tilt spring of the reclining mechanism.

[0004]

Since the release cable is provided along the floor panel, the release cable may be pulled when the floor panel is deformed due to a rear collision of the vehicle.

[0005] In addition, the release cable is pre-routed on the floor panel in accordance with the assembling procedure of the vehicle interior fitting parts, and after the seat back is attached, the release cable is connected to the reclining mechanism. And the seat back is close to the side of the car body and the working space is narrow, so it is difficult to connect the release cable to the reclining mechanism from the back of the seat back, forcing the worker to take an unreasonable posture and poor workability I will.

Therefore, the present invention can prevent the release cable from being pulled by the deformation of the vehicle body panel due to a rear collision of the vehicle, and can easily connect the release cable to the reclining mechanism. It is an object of the present invention to provide a release cable routing structure for a reclining mechanism for a rear seat back that can perform the above.

[0007]

According to the present invention, a seat back of a rear seat is mounted on a floor panel via a reclining mechanism so that the seat back can be tilted forward, and a release knob is provided at a rear portion of a cargo room behind the seat back. Then, in the structure in which the reclining mechanism is unlocked through the release cable by the release operation of the release knob, and the seat back is moved forward, the release cable is temporarily moved from the reclining mechanism to the front of the passenger compartment along the floor panel. It is characterized in that it is pulled out to the length, turned backward, and wired over the release knob at the rear of the cargo compartment.

According to a second aspect of the present invention, the release cable according to the first aspect of the present invention is arranged such that the release cable is turned rearward and a rear side of a cargo room side portion adjacent to the vehicle body frame member. It is characterized by being routed along the waist of the inner panel.

According to a third aspect of the present invention, the intermediate portion of the release cable according to the second aspect is connected to an anchor bolt projecting portion of a seat belt retractor disposed on a vehicle body skeleton member on a vehicle body side, and to the vehicle body skeleton member. It is characterized by being routed between a retractor protector disposed over the seat belt retractor.

According to a fourth aspect of the present invention, the portion of the release cable reclining mechanism according to any one of the first to third aspects, which is drawn forward, is pressed by the lower surface of the side portion of the seat cushion of the rear seat onto the floor panel. It is characterized by being fixed.

[0011]

According to the first aspect, the release cable is pulled out from the reclining mechanism once along the floor panel to the required length in the front of the vehicle compartment and then turned backward to be routed. Even if the vehicle body panel is deformed due to a collision or the like and the release cable is pulled in the unlocking direction of the reclining mechanism, the release cable is inverted backward from the portion where the release cable is pulled out from the reclining mechanism by the reversing portion. Traction force can be absorbed by the extra cable length up to the crotch portion.

Further, since the release cable is once pulled out from the reclining mechanism to the required length along the floor panel to the front of the passenger compartment along the floor panel and then inverted backward, the release cable is assembled according to the assembly procedure of the vehicle interior fitting parts. When mounting the release cable on the vehicle body panel and attaching the rear seat back to the floor panel, connect the release cable end to the reclining mechanism from the front of the cabin where the seat back does not interfere with work before attaching the seat cushion Therefore, the operation of connecting the release cable to the reclining mechanism can be easily performed.

Further, the extra length of the cable can be increased by the reverse routing of the release cable, so that variations in the cable length can be absorbed.

According to the second aspect of the invention, in addition to the effect of the first aspect, the release cable which is turned rearward is caused to follow the vehicle body frame member on the side of the vehicle body adjacent to the rear seat, and the load following the vehicle body frame member. Since the wiring is routed along the highly rigid waist of the rear side inner panel on the side of the room, the panel deformation of the release cable wiring portion due to a rear collision of the vehicle can be reduced.

Further, as described above, since the release cable is reversed from above the floor panel to the rear and moved to the vehicle body frame member on the side of the vehicle body so as to be along the vehicle body frame member, a narrow portion on the floor side is provided. Even with this, it is possible to increase the radius of curvature of the reverse portion of the release cable by allowing a sufficient space, and further, without bending the inverted release cable, along the waist portion of the body frame member and the rear side inner panel. Since the cable can be routed, there is no sliding resistance due to hooking of the release cable during the release operation, and the release operation force can be reduced.

Further, since the release cable is left on the floor panel of the luggage compartment or does not exist in the luggage compartment space, the release cable is hooked during loading / unloading of the luggage into the luggage compartment to unlock the reclining mechanism. There is no error or damage to the release cable.

Further, since the release cable can be concealed by trim parts mounted on the vehicle body frame member and the rear side inner panel, the appearance can be improved, and the release cable can be surely protected.

According to the third aspect, in addition to the effect of the second aspect, in addition to the effect of the second aspect, the anchor bolt protruding portion of the seat belt retractor provided with the intermediate portion of the release cable disposed on the vehicle body frame member on the side of the vehicle body; Since the cable is routed between the retractor protector disposed over the seatbelt retractor on the member, the middle part of the release cable is routed using the anchor bolt protrusion and the retractor protector as a guide during cable routing work. Therefore, the cable laying operation can be easily performed, and the laying position of the middle portion of the release cable can be determined, so that the laying variation of the release cable can be eliminated.

Further, since the portion where the seat belt retractor is provided has a high surface rigidity, it is possible to prevent the traction force from acting on the intermediate portion of the release cable due to deformation of the frame member of the vehicle body even in the event of a side collision of the vehicle.

According to the fourth aspect, in addition to the effects of the first to third aspects, in addition to the effect of the first to third aspects, the portion of the release cable that is drawn forward from the reclining mechanism is pressed by the lower surface of the side portion of the rear seat cushion. Since the release cable is fixed above, the front drawer of the release cable can be protected without using a dedicated protector, and the front drawer can be concealed under the seat cushion side to improve the appearance.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings.

1 and 2, reference numeral 1 denotes a floor panel.
A passenger compartment floor 1A and a cargo compartment floor 1B one step higher than the passenger compartment floor 1A are formed with a step formed at a portion where the rear seat 2 is mounted as a boundary.

The rear seat 2 comprises a seat cushion 3 and a seat back 4, and the seat back 4 is mounted on a floor panel 1 via a reclining mechanism 5 so that the tilt angle can be adjusted as desired.

The reclining mechanism 5 has an arm 6
A base 7 which is fastened and fixed to the lower end of the side surface on the vehicle body side of the seat back 4 via the through-hole, and which is bent and formed into a substantially U-shaped side which rotates relative to the arm 6, is attached to the passenger compartment floor 1.
It is fastened and fixed over the rising wall 1a at the boundary between A and the luggage compartment floor 1B and the luggage compartment floor 1B.

The reclining mechanism 5 includes a base 7
The lock is released by an operation lever 8 protruding forward in the vicinity of a connection portion with the arm portion 6 to adjust the tilt angle of the seat back 4 arbitrarily.

A lock release lever 9 is provided at the lower end of the base 7 in conjunction with the operation lever 8, and is provided with a luggage compartment RB.
By operating the lock release lever 9 via a release cable 11 by a release operation of a release knob 10 disposed at the rear of the reclining mechanism 5, the reclining mechanism 5 is released, and the reclining mechanism 5 of the reclining mechanism 5 for the forward tilt spring (not shown) is released. The seat back 4 can be moved forward on the seat cushion 3 by the urging force.

In the present embodiment, the release knob 10 is provided so that the release knob 10 does not hinder the loading and unloading of luggage into the luggage compartment.
The rear side inner panel 12 on the side of B, specifically, the rear part of the waist portion 13 forming the lower edge rigid portion of the window opening where the rear side window panel 14 is disposed.

The release cable 11 is the outer tube 1
1a and an inner cable 11b inserted into the outer tube 11a. The inner cable 11b is connected to the release knob 10 and the lock release lever 9 of the reclining mechanism 5, and one end of the outer tube 11a is a knob bracket of the release knob 10. 10a, and the other end is fixed to the lower end of the base portion 7 of the reclining mechanism 5, respectively.

Here, the release cable 11 is connected to the lock release lever 9 of the reclining mechanism 5 from the connecting portion thereof, and is temporarily moved along the floor panel 1 to the front of the vehicle compartment RA.
That is, the rising wall 1a to which the lower side of the base 7 is fastened.
From the vehicle compartment R · A to the required length along the cabin-side floor 1A, and then inverting backward, the luggage compartment R · B
It is routed over the release knob 10 at the rear.

In this embodiment, the release cable 1
The release cable 11 which is inverted rearward at the inversion portion 11R having the required radius of curvature of 1 is connected to the vehicle body frame member on the side of the vehicle body adjacent to the rear seat 2, specifically, the side sill inner 15 and the side sill inner 15. A front arch portion of the rear wheel house inner 16, a lower portion of a rear pillar inner 17 connected to the rear wheel house inner 16, and the rear side inner panel 12 following the rear wheel house inner 16 and the rear pillar inner 17.
Along with the waist portion 13.

At the lower side of the rear pillar inner 17, a seat belt retractor 19 for winding a seat belt 18 for restraining a rear occupant is fastened and fixed by an anchor bolt 20, and an opening portion of the seat belt retractor 19 is provided. The retractor protector 21 made of resin is mounted so as to cover the intermediate portion of the release cable 11 described above, and the protrusion of the anchor bolt 20 and the retractor protector 21 are provided.
Between the rear wheel house inner 1
From six, clips 22 are used to fasten to the rear side inner panel 12 at a plurality of locations along the waist 13.

A portion 11 of the release cable 11 which is drawn out of the reclining mechanism 5 to the front of the cabin RA.
F is fixed to the outer casing side floor 1A by pressing the seat back 4 on the floor panel 1 after fastening the seat back 4 to the floor panel 1 with the lower surface of the side portion 3a of the seat cushion 3 mounted on the passenger compartment side floor 1A.

According to the structure of the above-described embodiment, the release cable 11 is connected to the lock release lever 9 of the reclining mechanism 5 from the connecting portion of the passenger compartment RA along the passenger compartment side floor 1A of the floor panel 1 once. Since it is pulled out to the required length forward and then turned backward and routed over the release knob 10 at the rear of the luggage compartments R and B, the vehicle body panel is deformed due to a rear collision of the vehicle and the release cable is released. 11
May be pulled in the unlocking direction of the reclining mechanism 5, even if the release cable 11 is pulled out from the reclining mechanism 5,
This traction force can be absorbed by the extra cable length up to the portion where the cable is turned backward and bifurcated at R.

The release cable 11 is routed in advance along the vehicle body panel in accordance with a procedure for assembling the vehicle interior fitting parts, and after the seat back 4 is fastened to the floor panel 1 via the reclining mechanism 5, the release cable 11 5, the release cable 11 is temporarily moved from the reclining mechanism 5 to the passenger compartment floor 1 as described above.
A is pulled out to the required length in front of the cabin R.A along the line A, and it is turned upside down. Therefore, before mounting the seat cushion 3 on the cabin floor 1A, the seat back 4 However, the end of the release cable 11 can be connected to the lock release lever 9 of the reclining mechanism 5 from the front of the passenger compartment, which does not hinder the work, so that the operation of connecting the release cable 11 to the reclining mechanism 5 can be easily performed. it can.

In addition, since the extra length of the release cable 11 can be increased by reversely laying the release cable 11, even if the length of the release cable 11 varies, it can be absorbed.

Here, particularly in the present embodiment, the reversing unit 11R
The release cable 11, which is turned rearward, is moved from the side sill inner 15, which is a vehicle body frame member on the side of the vehicle body adjacent to the rear seat 2, to the front arch portion of the rear wheel house inner 16 and the lower side of the rear pillar inner 17. Along with the wheel house inner 16,
Rear side inner panel 1 following rear pillar inner 17
Since the cable is routed along the high-rigidity waste portion 13 of the second embodiment, it is possible to minimize the panel deformation of the release cable routing portion due to a rear collision of the vehicle.

Also, the release cable 11 is moved from the cabin floor 1A to the side sill inner 15 and the rear arch of the rear wheel house inner 16 which are the vehicle body frame members on the vehicle body side by the reversing portion 11R, and Since it is made to follow the frame member, even in a narrow portion on the floor side, it is possible to increase the radius of curvature of the reversing portion 11R with a sufficient space, and to bend the release cable 11. Since the cable can be routed along the vehicle body frame members 15 to 17 and the waist portion 13 of the rear side inner panel 12 without performing the operation, the sliding resistance due to the catch of the inner cable 11b of the release cable 11 at the time of the release operation of the release knob 10 occurs. And the release operation force can be reduced.

Further, as described above, the release cable 11 is routed along the waist portion 13 of the rear side inner panel 12 via the body frame members 15 to 17, and the release cable 11 is left on the luggage compartment side floor 1B. Or
Or, because it does not exist in the space of the luggage compartment R / B,
There is no possibility that the release cable 11 is hooked at the time of loading / unloading the baggage to the B and the reclining mechanism 5 is unlocked or malfunctions, or the release cable 11 is not damaged.

Further, the release cable 11 is routed along the vehicle body frame members 15 to 17 and the rear side inner panel 12 at portions where the release cable 11 is routed.
A portion 11F concealed by a trim component (not shown) attached to the rear side inner panel 12 and drawn forward from the reclining mechanism 5 of the release cable 11 onto the passenger compartment floor 1A is formed by the release cable 11 and the reclining mechanism. After the connection with the cable 5, the seat cushion 3 is mounted on the floor 1A of the passenger compartment and is fixed on the floor 1A of the passenger compartment by pressing the lower surface of the side portion 3a. And the appearance can be improved by eliminating exposure to the vehicle interior.

The side portion 3a of the seat cushion 3
Is usually a portion where the occupant does not sit, so that there is no problem in routing the release cable 11 and the like.

As described above, the release cable 1
Since the hollow portion 1 is routed between the protrusion of the anchor bolt 20 of the seat belt retractor 19 provided on the rear pillar inner 17 and the retractor protector 21 covering the seat belt retractor 19, the cable routing is performed. During the operation, the intermediate portion of the release cable 11 can be routed by using the protrusions of the anchor bolts 20 and the retractor protector 21 as a guide, so that the cable routing operation can be easily performed and the intermediate portion of the release cable 11 can be routed. The position can be determined, and the wiring variation of the release cable 11 can be eliminated.

In addition, the seat belt retractor 19
Since the portion provided with is high in surface rigidity, it is possible to prevent the traction force from acting on the intermediate portion of the release cable 11 due to the deformation of the rear pillar inner 17 even in the event of a side collision of the vehicle.

[Brief description of the drawings]

FIG. 1 is a schematic side view illustrating an embodiment of the present invention.

FIG. 2 is a schematic plan view showing an arrangement state of a front side of a release cable of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor panel 2 Rear seat 3 Seat cushion 3a Side part 4 Seat back 5 Reclining mechanism 10 Release knob 11 Release cable 12 Rear side inner panel 13 Waist part 15,16,17 Body frame member 19 Seat belt retractor 20 Anchor bolt 21 Retractor protector R / A Cabin RB Luggage compartment

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akira Nagai Nissan Motor Co., Ltd., 2 Takaracho, Kanagawa-ku, Yokohama, Kanagawa Prefecture (72) Inventor Nobuaki Fujii 2 Takaracho, Kanagawa-ku, Yokohama, Kanagawa, Nissan Motor Co., Ltd. 72) Inventor ▲ Taka ▼ Chiaki Yama 2 Nissan Motor Co., Ltd., 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa

Claims (4)

[Claims] 1. A seat back of a rear seat is mounted on a floor panel via a reclining mechanism so as to be able to be tilted forward, and a release knob is provided at a rear portion of a cargo compartment behind the seat back, and a release cable of the release knob is operated by a release operation of the release knob. In a structure in which the reclining mechanism is unlocked and the seat back is tilted forward, the release cable is once pulled out from the reclining mechanism along the floor panel to a required length in the vehicle front and then reversed backward. A release cable routing structure for a reclining mechanism for a rear seat back, wherein the release cable is routed over a release knob at a rear portion of the luggage compartment. 2. A release cable, which is turned backward, is routed along a vehicle body skeleton member on a vehicle body side adjacent to a rear seat and a waist portion of a rear side inner panel on a cargo room side portion following the vehicle body skeleton member. 2. The method according to claim 1, wherein
The release cable routing structure of the reclining mechanism for the rear seat back described in the above. 3. An anchor bolt projecting portion of a seat belt retractor disposed on a vehicle body frame member on a side of a vehicle body, and a retractor protector disposed on the vehicle body frame member so as to cover the seat belt retractor. 3. The release cable routing structure for a reclining mechanism for a rear seat back according to claim 2, wherein the cable is routed through the gap between the cables. 4. A seat panel according to claim 1, wherein a portion of the release cable which is pulled out from the reclining mechanism toward the front of the cabin is held on a lower surface of a side portion of a seat cushion of a rear seat and fixed on a floor panel. Release cable routing structure for a reclining mechanism for a rear seat back as described in Crab.