JPS6328031Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a rear seat of a vehicle such as an automobile, and particularly to a folding seat when a one-box car is used as a camping car.

[Prior Art] Recently, one-box cars have come to be used not only as commercial vehicles but also as camping cars. When used as a camping car, the seatbacks of the rear seats are folded back to create a bed, but in this case, if the rear seats are in a row, the length of the bed is insufficient, so the rear seats are at least Two rows are required. However, when two rows of rear seats are installed, there is a problem that the luggage space at the rear of the vehicle becomes extremely small when the vehicle is not used as a bed.

[Problems to be solved by the invention] In view of the above-mentioned problems, this invention provides an extension part in the seat cushion and seat back of a conventional folding seat, respectively, and expands or folds the extension parts to make the seat foldable. To provide a folding seat that can be extremely easily changed into various shapes according to the purpose in addition to the original purpose of the seat.

[Means for solving the problem] In the folding seat of this invention, the rear end of the seat cushion and the lower end of the seat back are connected by a hinge device and the seat back can be tilted fore and aft, and extension parts formed to be approximately the same size as the seat cushion and the seat back are rotatably attached to the front end of the seat cushion and the upper end of the seat back, respectively, and the tips of the extension parts are each formed with a loop-shaped cross section, a horizontal rod made of a metal tube or the like is inserted into the loop-shaped cross section and engagement parts are formed at both ends so as to resiliently protrude outward, and a pair of left and right locking devices are provided at multiple locations on the side walls and floor of the vehicle body to lock the extension parts in desired positions, and the seat can be configured in a variety of different ways by locking the engagement parts of the extension parts to the locking devices.

Embodiments of the folding seat according to this invention will be described below with reference to the drawings. Figures 1 and 2 are side views of the rear seat section in which the folding seats N of this invention are installed. Figure 1 shows the case where there is one row of rear seats, and Figure 2 shows the case where there are two rows of rear seats. , the front row seat M shown by the two-dot chain line is a folding seat with a conventional structure. 71, 72, 73 are locking tools,
Engagement holes 9 are provided on both left and right sides of the folding seat N to detachably engage engagement portions 8, which will be described later. The locking tool 72 is formed in a structure that can be fastened to the floor F, and the locking tool 72 is attached to the engagement hole 9 by slightly changing the height of the engagement hole 2.
There are two locations. Note that two locking tools 71 may be used as the locking tools 72. the locking tool 71,
Numerals 72 and 73 are provided at a plurality of locations on the vehicle body side wall W and the floor F as a pair on the left and right at positions where the engaging portions 8 of the folding seat N are engaged in each usage mode shown in FIGS. 7 and 8. In Figures 3 to 6,
For the folding seat N, the seat cushion 1 is fastened to the floor F via the seat legs 61 (Fig. 3), or
Alternatively, both left and right sides of the front end 11 of the seat cushion 1 are rotatably supported on the side wall W of the vehicle body by brackets 62 (FIG. 4). In the latter case,
As shown in FIG. 4, when the folding seat N is placed above the rear wheel house,
The engaging portions 8 provided on both left and right sides of the rear end 12 of the seat cushion 1 and the upper end 21 of the seat back 2 of the folding seat N are respectively locked by the locking tools 71 provided on the left and right pairs on the side wall W of the vehicle body. It is supported to form a normal rear seat. Rear end 12 of seat cushion 1 and lower end 22 of seat back 2
The seat bag 2 is connected to the seat bag 2 by a hinge device 5, so that the seat bag 2 can be tilted forward and backward. FIG. 3 shows a hinge device 5 of a folding seat N according to an embodiment shown.
A conventional seat recliner is used. As shown in FIGS. 5 and 6, the front end 11 of the seat cushion 1 includes a cushion extension 3, and the upper end 21 of the seat back 2.
The back extension portions 4 are each foldably hinged by sewing or the like. The cushion extending portion 3 and the back extending portion 4 are formed of a flexible material such as a textile into a rectangular shape having approximately the same size as the seat cushion 1 and the seat back 2, respectively.
One end thereof is hinged to the front end 11 of the seat cushion 1 and the upper end 21 of the seat bag 2 as described above, and the other ends 31 and 41 are formed into a loop-shaped cross section, and held horizontally by a metal tube or the like within the loop-shaped cross section. Rod 3
2 and 42 to be inserted and reinforced, and serve as grips for operating the cushion extension 3 and the back extension 4 during expansion and folding. The engaging portion 8 is formed to protrude suddenly.

Since this embodiment is constructed as described above, the engaging portion 8 of the folding seat N can be moved to the locking tool 71 or 72 at the desired position as required.
By engaging with 73, the shape of the seat can be changed in various ways. That is, the engaging portions 8 formed at both axial ends of the horizontal rods 32, 42 of the folding seat N are slightly reduced in the axial direction of the horizontal rods 32, 42, and the locking tool 71 is placed at a desired position. 72, 73, the horizontal rods 32, 42 are brought into contact with the locking tools 71, 73 by the elastic action of the engaging portion 8.
Alternatively, the cushion extension 3 and the back extension 4 can be latched to 72 and 73 and stretched to form a desired seat configuration. Furthermore, when changing the seat configuration, the engaging portions 8 formed at the end portions of the horizontal rods 32, 42 are slightly reduced in the axial direction of the horizontal rods 32, 42, and the horizontal rods 32, 42 can be turned into locking devices. 7
1 or 72, 73, the engaging portion 8 can be secured to the locking tool 71 or 72, 73 at another desired position by operating in the same manner as described above.

Next, examples of changes in the seat form in the embodiment of the folding seat N of this invention will be schematically explained below with reference to FIG. 7 (first embodiment) and FIG. 8 (second embodiment).

Figures 7a and 8a show how it is used as a normal seat, where the cushion extension 3 and the back extension 4 are overlapped on the surfaces of the seat cushion 1 and seat back 2, respectively. .

FIG. 7b shows a usage mode when you want to stretch your knees and relax, in which the cushion extension part 3 is rotated forward about the hinge part with the front end 11 of the seat cushion 1, The engaging portions 8 formed at both ends of the horizontal rod 32 reinforcing the other end 31 of the cushion extension portion 3 are attached to the front end 1 of the seat cushion 1.
If the cushion extension portion 3 is elastically abutted and locked in the engagement holes 9 of the locking devices 73 provided on the left and right sides of the front floor F of the seat cushion 1 at the same height as the top surface of the seat cushion 1, the cushion extension portion 3 can be expanded to provide a wide seating surface in front of the seat cushion 1.

FIGS. 7c and 8b show how the tonneau cover is formed at the rear upper part of the seat bag 2 with luggage loaded behind the seat. The back extension part 4 is rotated and extended rearward about the hinge part with the
A pair of locking devices 71 are provided on the side wall W of the vehicle body, with engaging portions 8 configured at both ends of the horizontal rod 42 located at the height of the extended position of the other end 41 of the back extension portion 4.
Alternatively, if it is locked to the seat bag 72, the bag extension part 4 can be expanded to form a tonneau cover behind the upper end of the seat bag 72, which can keep the interior of the luggage compartment clean and prevent interior luggage from being seen from outside the vehicle. can.

Fig. 7d shows a usage pattern when it is desired to prevent valuable items such as cameras and radio cassette players from flying off while driving. If the engaging portions 8 formed at both ends of the horizontal rod 42 of No. 4 are moved from the rear engaging hole 9 provided in the locking tool 72 to the front engaging hole 9 and locked again, The center portion of the back extension portion 4 sag downward in a substantially U-shape to hold the valuables and prevent them from being scattered during driving due to the influence of centrifugal force when turning.

Figures 7e and 8c show how it is used as a bed. Figure 7e shows a case where there are one row of rear seats, and for example, the cushion extension 3 of Figure 7b is In the usage configuration in which the seat cushion 1 is extended forward, the seat back 2 is further laid down substantially horizontally rearward by the hinge device 5 (seat recliner), and then the back extension portion 4 is folded into the upper end 21 of the seat back 2. The horizontal rod 42 of the back extension part 4 rotates and extends rearward about the attachment part.
The engaging portions 8 formed at both ends of the back extension portion 4 are located at the extended position of the other end 41 of the back extension portion 4, and are attached to the side wall W of the vehicle body.
When the cushion extension 3, the seat cushion 1, the seat back 2, and the back extension 4 are engaged with the locking devices 71 provided on the left and right pairs, the cushion extension 3, the seat cushion 1, the seat back 2, and the back extension 4 become in a series of substantially horizontal states, so that only one folding seat can be used. A spacious bed can be formed. FIG. 8c shows a case where there are two rows of rear seats, the seat back 2 is laid down approximately horizontally by the hinge device 5, and the engaging portions 8 provided at both ends of the horizontal rod 22 at the upper end 21 of the seat back 2 are The upper end 21 of the seat bag 2 is located in the reclining position and is engaged with a pair of locking tools 71 provided on the left and right sides of the vehicle body side wall W, while at the same time, the seat back 2' of the front row folding seat M is moved to a substantially horizontal position. When reclined by the seat recliner 5, the seat cushion 1' and the seat back 2' of the front row folding seat M become a series of substantially horizontal planes, and the seat cushion 1, the cushion extension 3, the seat back 2, and the back of the folding seat N form a series of substantially horizontal planes. The upper surfaces of two stacked sheets of the extending portion 4 can be aligned to form a bed.

Figures 7f, 8d, e, and f are used to protect infants and protect fragile items from vibrations caused by vehicle running.
This shows how it is used as a safety space (soft tray) that protects from impacts such as starting, turning, sudden stopping, bouncing, etc. The size of the safety space can be changed as appropriate depending on the loading capacity and the like. For example, in the bed usage configuration shown in FIG. 7e, the cushion extension part 3 and the back extension part 4, which are both inverted and extended in the front-rear direction, are turned upside down and opposed to each other after the engagement part 8 is disengaged. When the engaging portion 8 is locked to the locking tools 71 which are located at the height of the inverted upper ends of the cushion extension portion 3 and the back extension portion 4 and are provided on the left and right sides of the vehicle body side wall W, as shown in FIG. 7e.
The safety space shown in Figure 8(f) is an example of the combination of the safety space and tonneau cover, which protects young children and reduces vibrations and shocks against fragile objects, making it unnecessary to bring in special protective cushioning materials. There are some advantages.

Figure 8g is for storing long items.
This figure shows a case where a long parcel tray is formed in the longitudinal direction of the vehicle. Place seat cushion 1 on bracket 6.
After the seat bag 2 is rotated forward around the seat back 2 and turned upside down, the seat bag 2 is locked horizontally backward by the hinge device 5, and the back extension part 4 is further extended backward from the hinge part 21 of the upper end 21 of the seat bag 2. Stop.

Figure 8h shows a case in which four folding seats N are stacked one on top of the other in order to load large luggage, and are stored and locked behind the front row folding seats M in an inverted state to expand the luggage compartment.

[Effects of the invention] In the folding seat of this invention, the rear end of the seat cushion and the lower end of the seat bag are connected by a hinge device, and the seat back can be tilted in the front and back direction. Extending portions formed to have approximately the same size as the seat cushion and the seat back, respectively, are rotatably attached to the front end of the cushion and the upper end of the seat bag, and the tips of the extending portions are each formed into a loop-shaped cross section, A horizontal rod made of a metal tube or the like is inserted into the loop-shaped cross section, and engaging portions are formed at both ends of the rod so as to elastically protrude outward, and the extending portion is attached to the side wall and floor of the vehicle body. A configuration in which a pair of left and right locking tools are provided at a plurality of locations so as to lock the seat at a desired position, and the engaging portion of the extension portion is locked to the locking tools, thereby allowing various shapes of the seat to be formed. As a result, a spacious bed can be created with only one folding seat, and in addition to the original purpose of the folding seat, it can be extremely easily changed into a variety of configurations, making it possible to effectively utilize indoor space. have

[Brief explanation of drawings]

Figures 1 and 2 are side views of the rear seats of the present invention, and Figure 1 shows the case where the rear seats are in one row (the first
FIG. 2 shows a case where there are two rows of rear seats (second embodiment). 3 and 4 are side views of the folding seat of the present invention, with FIG. 3 showing the first embodiment and FIG. 4 showing the second embodiment. FIG. 5 is a perspective view showing the position of the folding seat when the cushion extension part and the back extension part are extended;
Fig. 6 is a perspective view showing the position of the rear seat with the folding seat installed; Fig. 7 a, b, c, d,
e, f and Figure 8 a, b, c, d, e, f,
g and h are explanatory diagrams showing each usage mode of the folding seat (FIG. 7 is the first embodiment, and FIG. 8 is the second embodiment). F...floor, N...folding seat, W...body side wall, 1...seat cushion, 2...seat back, 3...cushion extension, 4...back extension, 71, 72, 73 ...Locking tool, 8...Engagement part.

Claims (1)

[Scope of utility model registration request] In a folding seat in which the rear end of the seat cushion and the lower end of the seat back are connected by a hinge device, and the seat back can be tilted in the longitudinal direction, the seat cushion is connected to the front end of the seat cushion and the upper end of the seat back, respectively. An extension part formed to have approximately the same size as the cushion and the seat bag is rotatably attached, and each of the ends of the extension part is formed into a loop-shaped cross section, and inside the loop-shaped cross section, a metal tube or the like is formed. A horizontal rod is inserted through the horizontal rod, and engaging portions are formed at both ends thereof so as to elastically protrude outward, and the extending portions are locked to the side wall and floor of the vehicle body at a desired position. A folding seat characterized in that a pair of right and left tools are provided at a plurality of locations, and the engagement part of the extension part is locked to the locking tool so that the configuration of the seat can be varied in various ways.