JP2002114068A - Folding seat allowing connection of child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attach a lock mechanism capable of interlocking with a connector of a child seat to a main seat and assemble constituent parts of a main seat back forming a socket part periphery so they do not obstruct at least taking in and out of the connector and attachment and detachment of the connector. SOLUTION: This folding seat is provided with the lock mechanism 4 of the main seat assembled from a main seat cushion side latch 40 with a head part 40a facing the connector 3a of the child seat in a position more to the front than a clasp 13a of the child seat and oscillated by abutting pressure of the connector 3a to the head part 40a, and a floor side clasp 45 to lock the latch 40 oscillated by the abutting pressure of the connector 3a to the head part 40a. An enclosure frame 5 maintaining an insertion interval of the connector 3a on an extension from a socket part of the main seat back 1a is attached to a main seat cushion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable seat whose main seat can be folded on a floor surface from a leg portion, and a connector protruding from a rear portion of a base of a child seat near a lower portion of a seat surface of a main seat back. The present invention relates to an improvement of a foldable seat that can be installed and installed by connecting a child seat integrally with a main seat by inserting the child seat into a socket portion that is opened to engage with a stopper provided on a main seat cushion.

[0002]

2. Description of the Related Art Conventionally, a rear seat is used as a main seat, and a pair of left and right connectors protruding from a rear portion of a base of a child seat are inserted from respective socket portions opening toward a lower portion of a seating surface of a main seat back, and a stopper provided on the main seat. There has been proposed a child seat which can be installed and installed by being integrally connected to a main seat by being engaged with gold (EP 0 927 6).
59 A2).

[0003] In the case where the above-mentioned child seat is equipped with a foldable seat capable of folding the entire seat from the legs to the vehicle body floor, it is desirable to assemble the seat so that the normal posture of the main seat can be stably maintained when seated.
For this purpose, a lock mechanism for holding the foldable seat in the normal posture may be provided separately from the one for connecting the child seat.

If the lock mechanism for the foldable seat is provided separately from that for connecting the child seat, it is troublesome to work if the lock or release of the foldable seat must be performed separately from the attachment / detachment of the child seat.
It is preferable to attach a lock mechanism to the main seat that can be linked with the insertion or removal of the child seat connector from the socket portion of the main seat back.

However, when assembling the main seat with a lock mechanism that can be interlocked with the connector of the child seat, the main seat back is formed so that at least the components of the main seat back, which form around the socket, do not hinder the insertion and removal of the connector and the attachment and detachment of the connector. There is a need.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a lock mechanism capable of interlocking with a connector of a child seat is assembled to a main seat, and at least a component of a main seat back which forms a periphery of a socket portion has at least a connector and a connector. It is an object of the present invention to provide a foldable seat that can be connected to a child seat that is assembled so as not to hinder attachment and detachment.

Another object of the present invention is to provide a foldable seat that can be equipped with a child seat connection mechanism provided with a child seat connection mechanism using a rigid connector.

[0008]

According to a first aspect of the present invention, there is provided a foldable seat capable of being connected to a child seat, wherein the main seat is a foldable seat capable of folding the entire seat from a leg onto a floor. The connector protruding from the rear part of the base is inserted from the socket part which opens near the lower part of the seat surface of the main seat back, engages with the stopper provided on the main seat cushion, and connects the child seat with the main seat and installs it To equip,
The head of the main seat cushion, whose head faces the connector inserted into the socket and the front of the child seat stopper, and can be swung by the contact pressure of the head by the connector, and the contact of the head by the connector. Enclosure frame that is equipped with a main seat lock mechanism that is assembled from a latch on the floor surface that can lock a latch that swings by contact and presses, and that keeps the connector insertion interval extended from the socket part of the main seat back On the main seat cushion.

According to a second aspect of the present invention, in the foldable seat capable of being connected to a child seat, the front frame has a receiving shelf for slidingly guiding the connector of the child seat to a position where the child seat abuts on the head of the latch. It is configured by assembling.

[0010] In the foldable seat according to the third aspect of the present invention, each rising shaft portion is coaxially provided as a stopper for the child seat with respect to the connector projecting left and right from the rear of the base of the child seat. In addition to attaching and fixing the metal wire formed by bending the shaft to the frame of the main seat cushion, an enclosing frame that extends from each socket portion and maintains a connector insertion interval is assembled to the main seat cushion.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the accompanying drawings, FIG. 1 shows a seat back 1a and a seat cushion 1b.
The seat cushion 1b can be moved forward on the front leg 1
c shows a foldable multi-seat that can be dropped and mounted on the vehicle body floor F. In the folding seat, the rear side of the seat cushion 1b is provided on the general surface 2 of the vehicle body floor-2.
It is configured to maintain a normal posture by being mounted on a mounting table 2b formed to be higher than a.

The foldable seat is used as the main seat 1, and the child seat 3 is equipped with a pair of left and right connectors 3a (only one side is shown) protruding from the rear of the base 3b. With respect to the child seat 3, the main seat back 1a is provided with a pair of left and right socket portions 1d and 1e which open toward the lower part of the seating surface. The main seat cushion 1b is provided with a stopper (not shown) for the connector 3a attached to the seat cushion frame 10 as described later. In addition, as the connector 3a, a chuck or the like provided with a latching claw (not shown) operated by a button operation in the chin can be provided.

As shown in FIG. 2, the main seat cushion 1b is assembled mainly from a pipe frame and a seat cushion frame 10 whose main part is formed in a substantially quadrangular frame shape. Thereafter, the child seat stopper is mounted and fixed on the frame portion 11 so as to be located along the axis of the rear frame portion 11. This stopper is formed by bending the metal wire 12 to the connector 3 a projecting to the left and right pair of the child seat 3 so as to form two rising shaft portions 12.
A high tensile strength member formed by axially bending the shafts a and 12b coaxially is used.

Thereafter, a locking mechanism 4 for the main seat 1 is mounted on one side based on the frame 11.
Also, two surrounding frames 5 and 6 are attached so as to surround the rising shaft portions 12a and 12b serving as a stopper. As described later, the surrounding frames 5 and 6 have a slightly different structure between a side 5 having the locking mechanism 4 of the main seat 1 and a side 6 not having the locking mechanism 4.

The locking mechanism 4 of the main seat 1 has a latch 40 having a substantially hook-like shape as shown in FIGS.
And stand legs 41 and 42, which are integrally assembled from both sides with the latch 40 positioned at the center, and the stand legs 4
A support shaft 43 which is fixed to and bridges the first and second 42 and supports the stopper 40 in a swingable manner, and is suspended between the stopper 40 and the stand leg 41 to pull and support the stopper 40 at the initial position. It comprises a spring 44 and a stopper 45 for receiving and locking the latch 40.

Among them, a latch 40 including a support shaft 43 and a spring 44 assembled on the bases of the stand legs 41 and 42 is provided by fixing the stand legs 41 and 42 to the rear frame 11 of the seat cushion frame 10. Installed on the seat cushion side. On the other hand, the stopper 45 rises in a U shape from the substrate 45a, and is provided on the mounting table 2b of the vehicle body floor 2 by fixing the substrate 45a with fastening bolts 45b and 45c.

The latch 40 is provided with a head 40 projecting from both sides.
The base portion 40b that curves forward from a has a substantially T-shape,
It is provided with an arm portion 40c extending in a J shape from the base portion 40b. A support shaft 43 is provided on the base portion 40b.
Are provided with stopper holes 40e, 40f for regulating the initial posture of the latch 40 by contacting the upper edges of the stand legs 41, 42, and a stopper hole 40g for retaining one spring end of the spring 44. .

The stand legs 41, 42 are formed by projecting flanges 41a, 41b, which are bent inward from the respective pieces.
The support shafts 41b, 41c, 42a, 42b, and 42c are fixedly attached to the support shaft at a certain interval. The stand legs 41 and 42 have through holes 41 d and 42 d of the support shaft 43.
And a notch 41e forming a housing space for the stopper 45,
42e is provided. Also, one of the stand legs 4
1 has a projection 41 for latching the other spring end of the spring 44.
f and a stop hole 41g are provided.

As the surrounding frames 5 and 6, resin molded products are provided. As shown in FIG. 2, each of the surrounding frames 5 and 6 has top plates 50 and 60 and left and right side walls 51, 52, 61 and 62.
And is mainly formed. Among them, the surrounding frame 5 on the side provided with the main seat 1 lock mechanism 4 is formed with a receiving shelf 53 on the front side extending to the left and right side walls 51, 52, 61, 62 as shown in FIG. I have. A front wall 63 (see FIG. 2) is formed on the other enclosure 6 instead of the receiving shelf 53 of the enclosure 5.

In this configuration, as shown in FIG. 6, the latch 40 is located at a position forward of the connector 3a whose head 40a is inserted into a socket portion (not shown) of the main seat back 1a and the catch 12a of the child seat. They face each other and are swingably mounted by the contact pressure of the head 40a by the connector 3a. In addition, a stopper 45 provided on the vehicle body floor 2 is attached so as to be able to lock an arm 40c of the latch 40 which swings by abutment pressing of the head 40a by the connector 3a.

Each of the surrounding frames 5 and 6 is formed such that an internal space partitioned by the respective portions extends from a socket portion (not shown) of the main seat back 1a so as to maintain an insertion interval of the connector 3a. In particular, even if the main seat back 1a bends and deforms due to the load of the occupant, the top plate portions 50 and 60 receive this and secure the insertion interval of the connector 3a. The receiving shelf 53 of the surrounding frame 5 is provided with a
Functions to slide guide to a contact position with respect to the head 40a.

In the foldable seat which can be connected and connected to the child seat constructed as described above, when the connector 3a of the child seat is inserted from the socket portion (not shown) of the main seat back 1a as shown in FIG. When the connector 3 a contacts the head 40 a of the latch 40, the latch 40 swings against the spring 44. As a result, the lock mechanism 4 of the main seat interlocks with the connector of the child seat, and the connector 3a is slid and guided by the receiving shelf 53 of the surrounding frame 5 so that the latch 4 is engaged.
0 head 40a.

When the connector 3a of the child seat holds the catch 12a and a child seat (not shown) is connected to the main seat, the connector 3a presses and supports the latch 40. 40 c is received and locked by a stopper 45. Thereby, the main seat is locked so that the normal posture can be stably maintained. In addition, the child seat can be stably connected because the metal wire 12 is bent to form two rising shaft portions 12a and 12b coaxially and axially bent to have a high tensile strength.

On the other hand, when the connector 3a of the child seat is detached from the stopper 12a and pulled out from the socket portion of the main seat back, the latch 40 is returned to the initial position by the spring 44, so that the locking mechanism 4 of the main seat is provided.
Can be canceled. When the connector 3a is inserted and removed, the surrounding frames 5 and 6 are provided so as to maintain the insertion interval of the connector 3a. Therefore, even if the main seat back 1a is bent and deformed by the load of the occupant, the connector 3a Can be reliably secured.

In the above-described embodiment, the case where the lock mechanism 4 for the main seat is provided on one side of the main seat cushion has been described. However, the lock mechanism 4 may be provided on both sides. In that case, the surrounding frame 5 having a receiving shelf for slidingly guiding the connector of the child seat may be assembled to each lock mechanism of the main seat.

[0026]

As described above, according to the foldable seat capable of being connected to the child seat according to the first aspect of the present invention, the head is positioned forward of the connector inserted into the socket and the child seat clasp. And a latch on the main seat cushion side that can swing by the contact pressure of the head by the connector and a latch on the floor surface that can lock the latch that swings by the contact pressure of the head by the connector. In addition to the main seat lock mechanism that is assembled from the main seat back, the locking mechanism that can be linked with the child seat connector is assembled by assembling the main seat cushion with an enclosure that keeps the insertion interval of the connector extended from the socket part of the main seat back. Even when assembled on the main seat, the main seat back component that forms around the socket part is at least It can be configured so that it does not an obstacle to detachable.

According to the foldable seat which can be equipped with a child seat according to the second aspect of the present invention, the front side has a receiving shelf for guiding the connector of the child seat to the position of contact with the head of the latch. By assembling the frame, the connector of the child seat can be reliably contacted with the head of the latch.

According to the foldable seat of the present invention which can be connected to the child seat, each rising shaft portion is used as a stopper for the child seat for the connector projecting right and left from the rear of the base of the child seat. The metal wire formed coaxially and axially bent is attached and fixed to the frame of the main seat cushion, and the surrounding frame that extends from each socket part and keeps the insertion interval of the connector is assembled to the main seat cushion, thereby improving the tensile strength. The child seat can be stably connected and equipped with a high stopper.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an outline of a foldable seat capable of being connected and equipped with a child seat according to the present invention.

FIG. 2 is a perspective view showing a seat cushion frame constituting the main seat cushion of FIG. 1;

FIG. 3 is an exploded perspective view showing a lock mechanism of the main seat of FIG. 1;

FIG. 4 is a perspective view showing an assembled state in which the lock mechanism of FIG. 3 is partially omitted.

FIG. 5 is a perspective view showing an enclosure for the lock mechanism of FIG. 3;

FIG. 6 is an explanatory diagram showing a configuration of the lock mechanism of FIG. 3 before operation.

FIG. 7 is an explanatory view showing the configuration of the lock mechanism of FIG. 3 after operation.

[Explanation of symbols]

 1 Foldable Seat (Main Seat) 1a Main Seat Back 1b Main Seat Cushion 1c Leg of Foldable Seat 1d, 1e Socket 13a, 13b Child Seat Clasp 2 Body Floor 3 Child Seat 3a Child Seat Connector 4 Main Seat Lock Mechanism 40 latch of locking mechanism 45 latch of locking mechanism 5, 6 surrounding frame 53 receiving shelf

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Toshihiko Tsuda 1-4-1 Chuo, Wako-shi, Saitama Prefecture Inside Honda R & D Co., Ltd. (72) Inventor Seiji Waku 1-4-1 Chuo, Wako-shi, Saitama No. F-term in Honda R & D Co., Ltd. (reference) 3B087 CB12 CE06

Claims (3)

[Claims] A foldable seat capable of folding the entire seat from a leg portion onto a floor is used as a main seat, and a connector projecting from a rear portion of a base of the child seat is inserted from a socket portion opening toward a lower portion of a seat surface of a main seat back. The child seat is connected to the main seat, and the child seat is integrally connected to the main seat cushion. The latch on the main seat cushion side, which faces forward from the gold and can swing by the contact pressure of the head by the connector, and the floor side by which the latch that swings by the contact pressure of the head by the connector can be locked A lock mechanism for the main seat that is assembled from the stopper plate is provided. Child seat anchoring can be equipped folding sheet, characterized in that the surrounding frame is assembled to the main seat cushion to maintain. 2. The child seat connection equipment according to claim 1, wherein an enclosure having a receiving shelf on the front side for slidingly guiding the connector of the child seat to the position of contact with the head of the latch is assembled. Foldable seat. 3. A connector protruding left and right from a rear portion of a base of a child seat, a metal wire having a rising shaft portion coaxially bent and formed as a stopper of the child seat and fixed to a frame of a main seat cushion. The foldable seat according to claim 1 or 2, wherein an enclosing frame extending from each socket portion and keeping an insertion interval of the connector is assembled to the main seat cushion.