JPH0454021Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) This invention relates to a vehicle seat structure installed in the cabin of a one-box car, for example.

(Prior Art) A conventional one-box car has a structure as shown in FIG. In FIG. 3, 1 is the vehicle body. A vehicle compartment 2 is formed inside the vehicle body 1. A seat 3 serving as a driver's seat is provided at the front of the vehicle compartment 2. This sheet 3
An engine room 4 having an engine 4a is provided in the lower part thereof with an opening 5 above. The opening 5 is provided with a seat pan 6 that can be opened and closed. That is, a hinge 7 is provided on the vehicle body 1 located at both rear ends of the seat pan 6, and the seat pan 6 is pivotably supported upward using the hinge 7 as a fulcrum. The seat 3 is provided above the seat pan 6. The seat 3 is comprised of a seat cushion 8 attached to the upper part of the seat pan 6 and a seat back 9 provided at the rear of the seat cushion 8. Further, the left and right lower end portions of the seat bag 9 are supported by connecting members 10, 10 provided at the left and right rear portions of the seat pan 6. To explain the support structure of the connecting members 10, 10 and the seat bag 9, a back frame 11 bent in a U-shape is provided inside the seat bag 9, and the left and right ends of the back frame 11 are connected to the seat bag 9. It is supported by members 10,10.

The seat structure constructed as described above has been conventionally used in luggage vehicles called vans and passenger vehicles called wagons.

The opening and closing structure of the opening 5 during maintenance and inspection of the engine room 4 in these two types of one-box cars will be explained below.

The above van will be explained with reference to FIG.
As a general rule, domestic laws and regulations stipulate that the structure of this van be divided into a driver's seat and a luggage compartment.
According to this regulation, a partition bar 12 is provided at the rear of the seat 3 serving as the driver's seat, with its axis directed in the left-right direction, and its end portion is fixed to the inside of the vehicle interior 2. Links 13 rotatably connect both left and right sides of the seat bag 9 and the partition bar 12 to support the seat bag 9 using the partition bar 12;
13 are provided.

In the above structure, the seat pan 6 is connected to the hinge 7 for the purpose of opening and closing the engine compartment.
When the seat bag 9 is rotated upward using the fulcrum as a fulcrum, a structure is required in which the seat bag 9 falls forward with respect to the seat cushion 8 as the seat bag 9 rotates.

That is, the connecting members 10, 10 are formed in such a structure that the seat bag 9 can rotate relative to the seat cushion 8.

Further, to explain the case of the above-mentioned wagon with reference to FIG.
When the opening 5 of the engine room 4 is opened by rotating the seat back 9, there is no need for a structure in which the seat back 9 falls forward with respect to the seat cushion 8.

That is, the connecting member 10 may have any structure as long as it fixes the seat cushion 8 to the seat bag 9.

In the two types of one-box car seat structures as described above, conventionally the connecting member 10 and
Back frame 1 supported by this connecting member 10
1 different structures were used in each case.

(Problems to be Solved by the Invention) As described above, in the conventional vehicle seat structure, due to the difference in the structure of the cabin of a luggage vehicle and a passenger vehicle, the connection member and the connection member supported by the connection member are The structure of the seat bag was different.
Therefore, two types of similar parts must be manufactured, increasing the production cost of the seat device.

Therefore, the object of this invention is to reduce the number of types of parts used in a seat device by sharing the same parts without individually manufacturing similar parts as described above.

[Structure of the idea]

(Means and effects for solving the problem) In order to achieve the above object, this invention has a seat back of a seat and a connecting member rotatably supporting the left and right lower portions of the seat back. A through hole is provided for fixing the pin and the pin is fitted to the connecting member to define the rotation range of the seat bag in the front and back direction, and a mounting member is provided on the connecting member to which a stopper for regulating the rotation of the seat bag can be attached. By providing this, it is possible to configure a connecting member that can be used in common with the above-mentioned luggage vehicle and passenger vehicle.

(Embodiment) An embodiment of this invention will be described below with reference to FIGS. 1 and 2. Since its basic structure is the same as that shown in FIGS. 3 to 5, The same reference numerals are given to the parts and the explanation thereof will be omitted. In FIG. 1, reference numeral 11 indicates a back frame provided inside the seat back 9. As shown in FIG. This back frame 11 is supported by connecting members 10, 10 of a seat pan 6 that opens and closes an opening 5 provided in the upper part of the engine compartment 4. A seat cushion 8 is provided above the seat pan 6.

The back frame 11 in the seat structure described above is bent into a U-shape, and plate-shaped support portions 14 are provided at both ends thereof.

Since this seat structure is bilaterally symmetrical, only the structure on the left side will be described below.A cylindrical protrusion 15 that protrudes outward is provided at the upper part of the support section 14. The coupling member 10 at a position corresponding to the protrusion 15 is provided with an engagement opening 16 with which the protrusion 15 engages. With the above structure, the back frame 11 is rotatably supported on the connecting member 10 using the protrusion 15 as a fulcrum.

Further, a pin 17 having a cylindrical head is provided on the outside of the lower part of the support portion 14 . A through hole 18 into which the pin 17 can fit is provided in the lower part of the connecting member 10 corresponding to the pin 17. When the seat bag 9 is rotated with respect to the connecting member 10 using the protrusion 15 as a fulcrum, the through hole 18 defines a movement range of the pin 17. Further, a mounting portion 20 having an insertion hole 19 is provided at the rear of the through hole 18.
is provided.

The above-described structure allows the seat back 9 to rotate in the front-rear direction relative to the seat pan 6.
A vehicle seat structure that can be used in a van, which is a one-box luggage vehicle, is obtained.

Also, a stopper 2 is attached to the mounting portion 20 of the connecting member 10.
1, that is, by fixing the insertion hole 1
By inserting an insertion member 22 such as a tapping screw into 9 through the stopper 21, the pin 17 is engaged with the front edge of the through hole 18 by the tip of the stopper 21. can be stopped.

With the above structure, the seat back 9 is fixed to the seat pan 6, and a vehicle seat structure that can be used in a wagon, which is a one-box passenger vehicle, is obtained.

As described above, according to this invention, by using the back frame 11 of one type of seat back 9 and the connecting member 10 of the seat pan 6, it is possible to use it for both vans and wagons. The number of parts on the sheet 3 can be reduced.

Note that this invention is not limited to the above-mentioned embodiment, and any vehicle seat structure that has a similar structure and can be used in both wagons and vans may be used.

[Effect of idea]

According to this invention, it becomes possible to share the seat back and the connecting member of the conventionally produced vehicle seat device in both luggage vehicles and passenger vehicles of the same type. Accordingly, the number of types of parts handled during production can be reduced compared to before. Furthermore, since the assembly structure is the same, productivity is improved, and since the parts are shared, it is easy to adjust the number of products produced, thereby reducing production costs.

[Brief explanation of drawings]

Figures 1 and 2 show an embodiment of this invention; Figure 1 is an exploded perspective view showing the main parts; Figure 2 is an exploded perspective view showing the main parts;
The figure is a side view, and Figures 3 to 5 are conventional examples.
Fig. 3 is a side view showing the configuration of a general one-box car, Figs. 4 and 5 show the opening of the engine room, Fig. 4 is a side view of a van (luggage vehicle), Fig. 5 is a side view showing a wagon (passenger vehicle). 4...Engine room, 5...Opening, 6...
Seat pan, 7... Hinge, 8... Seat cushion, 9... Seat back, 10... Connection member,
17...Pin, 18...Through hole, 21...Stopper.

Claims (1)

[Scope of utility model registration request] A seat pan is provided in an opening provided at the top of the engine room, and the seat pan is rotatable upward using a hinge provided at the rear end as a fulcrum, and a seat cushion is provided at the top of the seat pan. and a vehicle seat structure including connecting members rotatably supporting the left and right lower portions of the seat back on the left and right rear sides of the seat pan, wherein pins are fixed to the left and right sides of the seat back and the pins are fitted into the connecting members. 1. A vehicle seat structure, characterized in that a through hole is provided to define the range of rotation of the seat back in the longitudinal direction, and the connecting member is provided with a mounting portion to which a stopper for regulating the rotation of the seat back can be attached.