JP3897208B2 - Automotive seat - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a reclining structure and a reclining cover mounting structure provided in, for example, a car seat that can be stored (foldable).
[0002]
[Prior art]
A conventional reclining structure and a reclining cover mounting structure are shown in FIGS. FIG. 8 is a side view showing general storage of a seat with a reclining structure, and FIG. 9 is a perspective view when a handle is provided in the reclining structure.
For example, when luggage is loaded in a vehicle, the rear seat 1 is accommodated as shown in FIG. 8 in order to ensure a large space on the floor. For example, in FIG. 5A, the seat back 11 is moved forward and overlapped with the seat cushion 12, the entire seat is slid forward and obliquely downward, and the rear seat 1 is folded. Further, in (b), the seat back 11 is moved forward and overlaid on the seat cushion 12, the entire seat is rotated forward, and the rear seat 1 is folded.
In order to facilitate the folding of the retractable rear seat 1, a handle for storing operation is provided on the rear seat 1 side. For example, as shown in FIG. 9, a bracket 102 for receiving and holding a load is fixed to the hinge lower 103 by spot welding, and a recess that abuts the bracket 102 is formed in a part of the shape of the lower cover 105. Yes. The lower cover 105 is fixed to the hinge lower 103 with screws or the like (not shown). A person who wants to fold holds the lower cover 105 with the recess. The upper cover 104 is fixed to the hinge upper 101 with a screw or the like (not shown).
[0003]
[Problems to be solved by the invention]
However, since the bracket 102 is a separate body from the hinge lower 103 and is retrofitted by spot welding, positioning is necessary, welding work is required, and from the viewpoint of the number of parts, it is not preferable for promoting cost reduction. .
The present invention has been made in view of such a situation, and an object thereof is to provide an automobile seat that can be easily reduced in cost.
[0004]
[Means for Solving the Problems]
The present invention has been made to solve such a problem, and after folding the seat back forward and stacking it on the seat cushion, the seat is folded and stored with a handle for storing operation provided in the reclining structure. The reclining structure includes a recliner upper fixed to a seat back and a reclarer fixed to a seat cushion, and a pin is inserted into a connection hole provided in each of the recliner upper and the reclaro lower. And a flange provided by bending or molding at the tip of the reclarer as a load holding part at the time of the sheet storing operation, and the flange and the reclarer are connected to each other. Between the connecting hole provided to fix the Liklaroa to the seat cushion The provided Tsukeana, further the reclining structure positions corresponding to the flange portion of the reclining cover covering the lies in the provision of the said handle portion.
In addition, a rib that forms a space in which the flange portion enters and is sandwiched is provided on the inner surface side of the reclining cover.
[0005]
The handle is provided by forming the surface of the reclining cover into a wave shape.
Further, the reclining cover is constituted by an upper cover attached to the reclarer upper, and a lower cover attached to the reclarer lower, and between the attachment hole and the connection hole for fixing to the seat cushion provided in the reclarer lower, A lower cover mounting hole for mounting the lower cover is provided, and a protruding portion that is positioned behind the upper cover and wraps with a lower portion of the upper cover in a state where the upper cover and the lower cover are mounted to a reclining structure. It is in that.
[0006]
The present invention is particularly suitable for seat cushions and seat backs of seats that can be stored. The flange portion serves as a load holding portion for sheet storing operation.
The protrusion is preferably formed so as to be positioned on the rear side of the upper cover when assembled.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of a reclining structure and a reclining cover mounting structure according to the present invention will be described with reference to the drawings. A reclining structure and a reclining cover mounting structure according to an embodiment of the present invention are shown in FIGS. 1 is a perspective view of a rear seat that employs the reclining cover mounting structure of the present embodiment, FIG. 2 is a perspective view partially showing the vicinity of the reclining cover of FIG. 1, and FIG. FIG. 4 is an exploded perspective view of the reclining cover and the reclining structure of FIG. 2, FIG. 5 is a front view of the reclining structure, FIG. 6 is a perspective view of the upper cover, and FIG. 7 is a projected view of the lower cover. It is.
The rear seat 1 includes a reclining device (reclining structure) that changes the inclination angle of the seat back 11. With this reclining structure, the seat back 11 can be folded over the seat cushion 12 (see FIG. 8).
As shown in FIG. 2, the reclining structure is covered with an upper cover 5 and a lower cover 6 on the side surface of the rear seat 1.
[0008]
As shown in FIGS. 3 and 4, the recliner upper 2 (second fixing member), the reclarer lower 3 (first fixing member), and the stay 4 are rotatably connected by a pin 71. That is, the recliner upper 2 is rotatably connected to the reclarer 3 by the pin 71, and the stay 4 is rotatably fastened to the connecting portion A by the pin 71. The lycra upper 2 and the stay 4 rotate integrally. After assembly, it becomes as shown in FIG.
[0009]
The lycra upper 2 and lycra lower 3 will be described in more detail. The lycra upper 2 and lycra lower 3 are plate-shaped and made of metal.
The lycra upper 2 is provided with two mounting holes 21 at one end (upper side in the drawing) (see FIG. 4), and is fastened to the seat back 11 with bolts 72 through the mounting holes 21.
As shown in FIG. 5, the reclarer 3 includes a reclaror (upper) 3 a and a reclaror (lower) 3 b. Both are screwed (not shown). As shown in FIG. 4, the reclarer 3 is provided with two mounting holes 31 at one end (the lower side in the figure), and its tip is bent at a substantially right angle to form an L-shaped flange 32. Is formed. The mounting holes 31 are fastened to the seat cushion 12 with bolts 72. Thus, the recliner upper 2 and the reclarer 3 are fixed to the seat back 11 and the seat cushion 12.
The L-shaped flange portion 32 serves as a load holding portion during the sheet storing operation.
As shown in FIG. 5, the other end of the recliner upper 2 (lower side in the figure) and the other end of the reclarer 3 (upper side in the figure) are each formed in an arc shape.
Common connection holes 22 and 33 (see FIG. 3) for inserting the pins 71 are formed near the other end of the recliner upper 2 and the other end of the reclarer 3, respectively. By this pin 71, the recliner upper 2 and the reclarer 3 are connected so that rotation is possible.
[0010]
The relaxor 3 is provided with an attachment hole 34 between the two attachment holes 31 and the connection hole 33. The attachment hole 34 is for attaching the lower cover 6.
In the reclarer 3, as shown in FIGS. 4 and 5, two attachment holes 31 are provided between the flange portion 32 and the connection hole 33. That is, in the mounted state, the load acting on the flange portion 32 when the rear seat 1 is stored is transmitted directly from the bolt 72 inserted into the mounting hole 31 to the seat cushion 12 and can be released so as not to be transmitted to the connecting portion A. . For this reason, the amount transmitted to the connecting portion A (see FIGS. 3 and 4) among the loads acting on the flange portion 32 can be suppressed (or zero), and rattling of the connecting portion A can be prevented. Can prolong the product life.
[0011]
The stay 4 is a plate-like member that is bent at two substantially right angles, and is formed in a substantially U shape in a side view. One end is provided with a connecting hole 41 (see FIG. 3) for fastening together, and the other end is provided with a mounting hole 42 (see FIG. 4) for attaching a reclining cover.
[0012]
The rotation of the lycra upper 2 and lycra lower 3 will be described. As shown in FIG. 5, stoppers 23 and 24 are provided on the arc-shaped portion of the lycra upper 2. In addition, stoppers 35 and 36 are provided at the arc-shaped portion of the reclarer 3 as shown in FIG. The limit of the reclining angle of the seat back 11 is regulated by the contact of these stoppers 23, 24, 35 and 36.
That is, when the seat back 11 is tilted forward, the stopper 23 of the recycle upper 2 and the stopper 35 of the reclar lower 3 come into contact with each other. The seat back 11 cannot tilt forward any further. When the seat back 11 is tilted backward, the stopper 24 of the recliner upper 2 and the stopper 36 of the reclarer 3 come into contact with each other. The seat back 11 cannot tilt further. Thus, the limit of the reclining angle of the seat back 11 is regulated.
[0013]
Next, the reclining cover will be described. As shown in FIGS. 3 and 4, the reclining cover includes an upper cover 5 and a lower cover 6. As shown in FIG. 6, the upper cover 5 has a substantially circular shape when viewed from the front. More specifically, one end in the longitudinal direction (upper side in the figure) is circular, the other end (lower side in the figure) is a gentle flat shape, and the two are continuously connected by a substantially parallel part. is there. In the substantially parallel portion, a rising portion 51 is provided from the central portion in the longitudinal direction toward the other end portion, and a notch portion 52 that opens in one direction is provided in the other end portion.
The upper cover 5 is provided with a recess 53 (see FIGS. 3 and 4) that is recessed toward the back surface side. The recess 53 is provided with one through hole 54 (see FIG. 6).
[0014]
As shown in FIG. 7A, the lower cover 6 has a substantially square outer shape when viewed from the front (rear view). As shown in FIG. 5B, the one end and the other end are each in the form of a flange, and a recess 61 that is recessed toward the back side is provided in the substantially central portion. One through hole 62 is provided in the recess.
At one end (upper side in the figure), a protrusion 63 having a constant curvature is provided. A handle portion 64 whose surface is corrugated (see FIG. 7A) is provided at the other end (lower side in the figure). The handle portion 64 has an ergonomic shape.
On the inner surface side of the lower cover 6, a pair of ribs 65 are provided near the other end with a predetermined interval. Further, three ribs 66 are provided so as to be sandwiched between the pair of ribs 65. The rib 65 and the rib 66 form a common space 67 in a side view (see FIG. 7B).
[0015]
As shown in FIGS. 3 and 4, the upper cover 5 is attached to the lycra upper 2 (seat back 11 side) via the stay 4. Specifically, the screw 73 inserted from the through hole 54 (see FIG. 6) of the upper cover 5 and the mounting hole 42 (see FIG. 4) of the stay 4 are fastened.
The lower cover 6 is attached to the reclarer 3 (seat cushion 12 side). Specifically, the screw 73 inserted from the through hole 62 of the lower cover 6 and the attachment hole 34 (see FIG. 4) of the reclarer 3 are fastened.
[0016]
When the upper cover 5 and the lower cover 6 are attached, the protrusion 63 of the lower cover 6 is located behind the upper cover 5. That is, the upper cover 5 is fixed to the stay 4 with the screw 73 so that the lower portion of the upper cover 5 and the protruding portion 63 of the lower cover 6 wrap.
The protrusion 63 is blinded so that the inside cannot be seen from the gap between the upper cover 5 and the lower cover 6 (see FIG. 3). Further, the protrusion 63 improves the rigidity of the lower cover 6. Even if the seat back 11 rotates, the upper cover 5 and the lower cover 6 do not interfere with each other.
In this attached state, the flange portion 32 enters the space 67 (see FIG. 7B). That is, the flange portion 32 is sandwiched between the ribs 65 and 66. In this way, the reclarer 3 and the lower cover 6 are integrated (see FIG. 3). For this reason, when folding the rear seat 1 with the handle portion 64, the deflection of the handle portion 64 can be reduced, and a sense of rigidity can be given. In addition, it is possible to prevent parts from being damaged.
The entire reclining structure is covered by the upper cover 5 and the lower cover 6. Since the reclining cover is composed of the separate upper cover 5 and lower cover 6, the reclining performance of the seat is not affected.
[0017]
The flange portion 32 of the reclaro 3 may be provided by integral molding instead of bending.
[0018]
【The invention's effect】
A reclining structure according to the present invention includes a first fixing member fixed to a seat cushion, a second fixing member fixed to a seat back and rotatably connected to the first fixing member, and Since the first fixing member is provided with a flange portion provided by bending or molding, the number of parts can be reduced, and it is not necessary to perform spot welding or the like which requires relatively labor such as positioning, and the assembly man-hour is reduced. The cost can be reduced and the cost can be easily reduced. In addition, it is not necessary to secure a space for spot welding to the second fixing member, design constraints can be relaxed, and the reclining structure can be made compact.
[0019]
The reclining structure according to the present invention includes a first fixing member fixed to the seat cushion, a second fixing member fixed to the seat back and rotatably connected to the first fixing member. A mounting portion for a seat cushion provided between the flange portion provided in the first fixing member, and a connecting position between the first fixing member and the second fixing member and the flange portion. Therefore, when a load acts on the flange portion of the first fixing member, the load applied to the connecting portion with the second fixing member can be extremely reduced, and the smooth rotation at the connecting portion is maintained. can do.
[0020]
The reclining cover mounting structure according to the present invention is a reclining cover mounting structure that covers the reclining structure, and a handle corresponding to the flange portion is provided on the lower cover side that constitutes the reclining cover. It becomes easy to hold and workability at the time of sheet storage can be improved.
[0021]
Further, the reclining cover mounting structure according to the present invention has a protruding portion formed on the lower cover so as to extend toward the upper cover constituting the reclining cover, so that the appearance of the mating portion of the upper cover and the lower cover is improved. Can be made.
[Brief description of the drawings]
FIG. 1 is a perspective view of a rear seat that employs a reclining cover mounting structure according to an embodiment of the present invention.
FIG. 2 is a perspective view partially showing the vicinity of the reclining cover of FIG. 1;
3 is a cross-sectional view taken along line III-III in FIG.
4 is an exploded perspective view of the reclining cover and the reclining structure of FIG. 2;
FIG. 5 is a front view of a reclining structure.
FIG. 6 is a perspective view of the upper cover as seen from the lower rear side.
7A is a rear view of the lower cover, and FIG. 7B is a cross-sectional view taken along line VIIb-VIIb in FIG. 7A.
FIGS. 8A and 8B are side views showing a general storage state of a seat with a reclining structure, in which FIG. 8A shows a case of a sliding method and FIG. 8B shows a case of a rotation method.
FIG. 9 is a perspective view when a handle is provided in the reclining structure, and shows a state where an upper cover and a lower cover are removed.
[Explanation of symbols]
1 Rear seat (seat assembly)
11 Seat back 12 Seat cushion 2 Recliner upper (reclining)
21, 31, 34, 42 Mounting hole 22, 33, 41 Connecting hole 3 Reclaroir (reclining)
3a Liclaroa (top)
3b Liclaroa (bottom)
32 Flange part 4 Stay 5 Upper cover 51 Rising part 52 Notch part 53, 61 Recess 54, 62 Through hole 6 Lower cover 63 Projection part 64 Handle part 65, 66 Rib 67 Space 71 Pin 72 Bolt 73 Screw A Connection part

Claims (4)

In an automotive seat in which the seat back is moved forward and stacked on the seat cushion, and then the entire seat is folded and stored with a handle for storing operation provided in the reclining structure, the reclining structure is fixed to the seat back. A recliner upper and a reclaro lower fixed to the seat cushion, wherein the recliner upper and the reclaroer are connected to each other by inserting pins into connecting holes provided in the recliner upper and the recliner upper, A flange portion provided by bending or molding is used as a load holding portion for the handle at the time of the seat storing operation, and the reclarer is fixed to the seat cushion between the flange portion and a connecting hole provided in the reclarer A mounting hole for covering the reclining structure. A position corresponding to the flange portion of Ngukaba, vehicle seat, characterized in that a said handle portion. 2. The automobile seat according to claim 1, wherein a rib is provided on an inner surface side of the reclining cover so as to form a space in which the flange portion enters and is sandwiched. 3. The automobile seat according to claim 2, wherein the handle portion is provided by forming the surface of the reclining cover into a wave shape. In any one of Claims 1-3, The upper cover attached to the said reclarer upper, The lower cover attached to the said reclarer lower comprises the said reclining cover, The attachment hole for fixing to the said seat cushion provided in the said reclarer lower; A lower cover mounting hole for mounting the lower cover is provided between the connection hole and a lower portion of the upper cover which is located behind the upper cover in a state where the upper cover and the lower cover are mounted on a reclining structure. An automobile seat characterized in that a protrusion that wraps with the lower cover is provided on the lower cover.

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