JPH10194022A - Rock body resin seat frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items and setting manhours by forming a lock mount, a locking part and a lock cover integrally in a body. SOLUTION: A rear seat S is one made up of setting up a cushion material K on a resin seat frame 10 and then covered with an outer skin material H. This resin seat frame 10 is formed with a lock mount 20, locking part 30 and a lock cover 40, and those of lock mount 20, locking part 30 and lock cover 40 are integrally molded with resin in the time of forming the seat frame 10. An interval between two lock mounts 20 is formed with the circular lock cover 40 which is made up of covering the locking part 30, but the top side of a lock forming part 31 is turned to an opening part 41. An another 60 at the body side gets into the lock cover 40, and it is detachably formed with an engaging pawl 33 of the lock forming part 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated resin seat frame, and more particularly to a lock-integrated resin seat frame in which a lock for a rear seat back is integrally formed.

[0002]

2. Description of the Related Art As a locking device for a rear seat back, a rear seat cushion is fixed and a rear seat back can be tilted forward. is necessary.

As shown in FIG. 4, a locking device for a rear seat back is such that a bracket 41 as a lock base is attached to the rear side of a frame 40 of the rear seat back by fixing means 42 such as screws and screws. 43 is attached so as to be rotatable about a pin 44.

The hook 43 is constantly urged downward by a spring or the like, but when a releasing means (not shown) such as a knob provided at a predetermined position of the rear seat back is pulled upward, the hook 43 is raised. It is configured so as to pivot upward and come off from an anchor (not shown) on the vehicle body side. Further, a cover 45 for covering the bracket 41, the hook 43 and the like is provided by a fixing means 46.

[0005]

As described above, in the conventional locking device, the bracket 41 is not only attached to the seat frame 40 by the fixing means 42 but also the pin 4
4. Since the cover 45 for covering the hooks 43 and the like is attached by the fixing means 46, not only the number of parts is large but also the number of mounting steps is increased and the manufacturing cost is increased. It is.

An object of the present invention is to provide a lock-integrated resin seat frame which can reduce the number of parts, reduce the number of mounting steps and reduce costs.

[0007]

According to the present invention, there is provided a lock-integrated resin seat frame according to the present invention, wherein a lock mounting base formed by swelling on the rear surface of the seat frame, a lock portion formed on the lock mounting base, and the lock are provided. A lock cover that covers the lock portion and has an open end portion of the lock portion, wherein the lock mounting base, the lock portion, and the lock cover are integrally formed of resin.

The lock portion is formed as a plate between two lock mounts protruding to the back of the seat frame, and both sides of the plate are cut off to form an engagement claw at the tip. Have been. An engaging portion is formed on the opposite side of the locking claw from the engaging claw, and the unlocking band is engaged with the engaging portion.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Resin sheet frame 10 of the present invention
As shown in FIG. 1, the lock mount 20, the lock portion 30, and the lock cover 40 are integrally formed of resin when the seat frame 10 is formed.

[0010] The lock mounting base 20 is mounted on the seat frame 10.
Are formed at two positions protruding to the rear side of the device and at predetermined intervals, and a lock portion 30 is provided between the two lock mounts 20.
Are formed.

The lock portion 30 is formed as a plate at the same time between two lock mounts 20 protruding to the back of the seat frame 10, and locks a central portion of the plate with a predetermined width. The lock forming portion 31 is formed as a cutout portion 32 on both sides. In the initial state of the lock forming portion 31, the lock forming portion 31 is in a position where it cannot be disengaged when an anchor 60 described later is engaged.

An engaging claw 33 is formed at the tip of the lock forming portion 31 so as to be detachable from the anchor 60 on the vehicle body side. The engagement claw 3 of the lock forming portion 31
On the side opposite to 3, an engaging portion 34 of the unlocking band B is formed, and the unlocking band B is attached to this engaging portion 34. Therefore, by pulling the lock release band B, the lock forming portion 31 is configured to be flexible and the engaging claw 33 is detached from the anchor 60.

As described above, the lock mount, the lock portion, and the lock cover are also integrally formed of resin at the same time as the seat frame. Then, the anchor 60 on the vehicle body side enters through the opening 41 of the lock cover 40, and the lock forming portion 3
The first engaging claw 33 is made flexible to engage with the engaging surface 33b.

Next, when the lock is released, when the unlocking band B is pulled, the engaging portion 34 is pulled, and the lock forming portion 31 integrated with the engaging portion 34 is flexible. The engaging claw 33 comes off the anchor 60. Thereby, the fixation with the vehicle body side is released. As described above, there is no need for a post-installed part for locking and an installation man-hour, so that the number of parts can be reduced, the installation man-hour is small, and the cost can be reduced.

[0015]

An embodiment of the present invention will be described below with reference to the drawings. The members, arrangements, and the like described below do not limit the present invention, and can be variously modified within the scope of the present invention.

1 to 3 show an embodiment of a lock-integrated resin seat frame according to the present invention. FIG. 1 is a schematic sectional view of a seat, FIG. 2 is an enlarged explanatory view of a lock portion, and FIG. FIG. 2 is a schematic perspective view of a lock-integrated resin seat frame.

The seat of this embodiment is an example of a split rear seat S. The rear sheet S is obtained by disposing a cushion material K on a resin sheet frame 10 and covering the cushion material K with a skin material H. As shown in FIG. 1, the lock seat 20, the lock portion 30, and the lock cover 40 are formed on the resin sheet frame 10.
0, the lock portion 30, and the lock cover 40 are integrally formed of resin when the seat frame 10 is formed.

Also, as shown in FIG.
Is formed with a hinge 50, the hinge 50 is rotatably connected to the vehicle body side, and is formed so as to be rotatable around the hinge 50 as a fulcrum.

The lock mounting base 20 of the present embodiment is formed at two locations protruding toward the rear side of the seat frame 10 and at a predetermined interval. A lock portion 30 is formed between the two lock mounts 20.

The lock portion 30 of this embodiment is a seat frame 10
Is formed as a plate at the same time between the two lock mounts 20 protruding to the rear surface of the plate. A central portion of the plate having a predetermined width is defined as a lock forming portion 31. Are cutout portions 32 that are cut off on both sides. Accordingly, the lock forming portion 31 which is the central portion is formed to be flexible since both sides are cut away. In the initial state of the lock forming portion 31, the lock forming portion 31 is in a position where it cannot be disengaged when an anchor 60 described later is engaged.

An engaging claw 33 is formed at the tip of the lock forming portion 31 so as to be detachable from the anchor 60 on the vehicle body side. The upper surface 33a of the engaging claw 33 is an arc-shaped surface, and the engaging surface 33b is a linear surface. Therefore, the anchor 60 is configured such that the lock forming portion 31 can be flexibly engaged with the engagement surface 33b side of the engagement claw 33 by the arc-shaped upper surface 33a.

The engaging claw 33 of the lock forming portion 31
On the opposite side, an engaging portion 34 of the unlocking band B is formed, and the unlocking band B is attached to the engaging portion 34. Therefore, by pulling the lock release band B, the lock forming portion 31 is configured to be flexible and the engaging claw 33 is detached from the anchor 60.

The unlocking band B is connected to and fixed to a knob or the like on the upper or back side of the seat. Pulling the knob or the like causes the unlocking band B to pull the lock forming portion 31. ing. When the lock release band B is loosened, the lock forming portion 31 returns due to the return of the resin.
It returns to the above-mentioned initial state.

An arcuate lock cover 40 is formed between the lock mounts 20. This lock cover 4
0 is formed so as to cover the lock portion 30, but an opening 41 is formed at the tip end of the lock formation portion 31. Then, from the opening 41, the anchor 60 on the vehicle body side enters the lock cover 40, and is formed so as to be disengageable with the engaging claw 33 of the lock forming portion 31.

Next, in order to disengage the seat using the lock-integrated resin seat frame 10 having the above-described structure toward the vehicle body, the seat is first turned around the hinge 50 toward the vehicle body. At this time, an anchor 60 is formed on the vehicle body side. As shown in FIG. 2, the anchor 60 has a U-shape.
In this case, the engaging claw 33 of the lock forming portion 31 is flexibly engaged with the engaging surface 33b.

Next, when releasing the lock, when the lock release band B is pulled, the engaging portion 34 is pulled and the lock forming portion 3 integrated with the engaging portion 34 is pulled.
1 becomes flexible, and the engaging claw 33 comes off the anchor 60. Thereby, the fixation with the vehicle body side is released.

[0027]

As described above, according to the present invention, when the seat frame is molded with resin, the lock mounting base, the lock portion, and the lock cover are also integrally molded with resin, so that a post-installed part for locking can be provided. , No installation man-hour is required,
It is possible to provide a lock-integrated resin seat frame that can reduce the number of parts and the number of man-hours for mounting, thereby reducing costs.

[Brief description of the drawings]

FIG. 1 is a schematic sectional explanatory view of a seat using a lock-integrated resin seat frame.

FIG. 2 is an enlarged explanatory view of a lock unit.

FIG. 3 is a schematic perspective view of a lock-integrated resin seat frame.

FIG. 4 is an explanatory view of a seat frame and a lock portion showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Resin sheet frame 20 Lock mount 30 Lock part 31 Lock formation part 32 Notch part 33 Engagement nail 33a Upper surface 33b Engagement surface 34 Engagement part 40 Lock cover 61 Opening 50 Hinge 60 Anchor B Unlocking band H Skin material K Cushion material S rear seat

Claims (3)

[Claims] 1. A lock mounting base formed by bulging on a back surface of a seat frame, a lock portion formed on the lock mounting base, and a lock cover that covers the lock portion and has an open end portion of the lock portion. A lock-integrated resin seat frame, wherein the lock mount, the lock portion, and the lock cover are integrally formed of resin. 2. The lock portion is formed as a plate between two lock mounts protruding to the rear surface of the seat frame. Both sides of the plate are cut off, and an engaging claw is formed at a tip. A lock-integrated resin seat frame characterized by being formed. 3. A lock-integrated resin seat frame, wherein an engagement portion is formed on a side of the lock portion opposite to the engagement claw, and a lock release band is engaged with the engagement portion.