JPS63305814A - Seat for vehicle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a vehicle seat.

(Prior art) Conventionally, the side surface shape is such that a spring body is attached to the inner upper surface of an arbitrary box-shaped skeleton frame, a cushion material is placed on the upper surface of the spring body, and the outer peripheral surface of the cushion material is covered with a skin. A vehicle seat is known in which the spring body is a plurality of zigzag springs arranged in parallel in the left and right direction.

(Problems to be Solved by the Invention) Since the above-mentioned known spring uses a plurality of parallel zigzag springs in the left and right direction, uniform elasticity cannot be achieved.

(Means for Solving the Problem) Therefore, the present invention provides a box-shaped skeleton frame 2 having an arbitrary side shape.
A spring body 3 is attached to the inner upper surface of the spring body 3, a cushion material 4 is placed on the upper surface of the spring body 3, and the outer peripheral surface of the cushion material 4 is covered with a skin 5. The zigzag springs 6 are arranged in parallel, and the rear part of each zigzag spring 6 is made by overlapping the rectangular frame 7, and the zigzag spring 6 is suspended from the upper edge 17 of the box-shaped skeleton frame 2 by a desired number of left and right coil springs 15 and front and rear coil/henne 13. This is a vehicle seat.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a seat for a vehicle. A spring body 3 is attached to a box-shaped skeleton frame 2, and a cushion material 4 is attached to the upper surface of the spring body 3. The outer circumferential surface of the cushion material 4 is covered with a skin 5.

The spring body 3 is formed from a formed wire spring 8 that is long in the front-rear direction, a five-shaped spring 9, and a rectangular frame 7 (
Figure 4). The formed wire spring 8 and the 5-shaped spring 9 are superimposed to form the zigzag spring portion 6 (FIG. 4).

The square frame 7 is formed by bending a wire rod into a square shape.

When attaching the zigzag spring section 6 to the box-shaped frame frame 2, attach a portion of the second and subsequent torque bars from the front! 0 to bottom plate 11
(FIG. 5), due to the twisting of the torque bar part 10, the rear end of the spring body 3 is bent against the side plate 1 of the box-shaped frame frame 2.
Install it so that it is located on one side of the top surface of 2.

Therefore, in order to lower the seating position of the occupant and to match the floor shape of the vehicle body, the box-shaped frame frame 2 is designed to be closer to the rear wall than the front wall 16. 4 is formed low, or the rear wall 14 is formed higher than the front wall 16, and the upper edge 17 of the side wall 12 between the front wall 16 and the rear wall 14 is formed into an arbitrary arc shape.

Therefore, the spring body 3 resists the spring force that causes the rear end of the spring body 3 to move upward, and moves the rear end of the spring body 3 toward the rear wall.
4, and is locked to the rear plate 14 of the box-shaped skeleton frame 2 by the front and rear coil springs 13.

The spring body 3 is arranged as a left-right coil spring at a desired position on the side so as to follow the shape of the upper edge 17 of the side wall of the box-shaped skeleton frame 2 when viewed from the side. 5, it is engaged and attached to the side plate 12 of the box-shaped frame 2 (FIG. 6).

Then, on the upper surface of the spring body 3, a cushion material 4 formed to have a substantially uniform thickness is placed.

(effect) Next, we will discuss the effect.

The present invention has the above-mentioned configuration, and the zigzag spring portion 6 is formed by attaching a plurality of 5-shaped springs 9 to the formed wire spring 8 formed into a desired shape that is long in the front-rear direction.
The spring body 3 is formed by attaching the rectangular frame 7 to the frame 7. When the spring body 3 is attached to the bottom plate 11 of the box-shaped skeleton frame 2, the second and subsequent zigzag spring parts 6 from the front side are The torque bar part 10 is attached to the bottom plate 11 of the box-shaped frame frame 2.
At this time, the rear end of the spring body 3 is mounted so as to be able to move elastically upward to a position above the side plate 12 of the box-shaped skeleton frame 2, and the spring body 3 is mounted so as to resist the spring elasticity of the spring body 3. Then, lower the rear end of the spring body 3 to lower the longitudinal coil spring 13.
Since the spring body 3 is attached to the rear plate 14 of the box-shaped frame 2 by means of the left-right coil springs 15, the side part of the spring body 3 is attached to the side plate 12 of the box-type frame 2 by means of the left-right coil springs 15. When the rear part of the spring body 3 descends due to the load of the seated person 1, the rear end of the spring body 3 tends to move upward, and a high cushioning effect can be obtained due to the spring elasticity and the coil springs 13, ]5. Spring body 3
The rear part of the frame 2 is prevented from coming into contact with the bottom plate 11 of the skeleton frame 2, thereby preventing a so-called bottoming sensation.

Therefore, the box-shaped skeleton frame 2 is designed to lower the seating position of the occupant and to match the floor shape of the vehicle body.
The rear wall 14 is formed lower than the front wall 16, or the front wall 16
Even if the rear wall 14 is formed higher and the upper edge 17 of the side wall arrangement between the front wall 16 and the rear wall 14 is formed into an arbitrary arc shape, the spring body 3 can be shaped into a box shape without impairing the cushioning properties. It is installed to match the shape of the upper edge of the skeletal frame.

(Effects) Conventionally, the side surface shape is such that a spring body is attached to the inner upper surface of an arbitrary box-shaped skeleton frame, a cushion material is placed on the upper surface of the spring body, and the outer peripheral surface of the cushion material is covered with a skin. A vehicle seat in which the spring body is a plurality of zigzag springs arranged in parallel in the left and right direction is known.

Since the above-mentioned known device uses a plurality of zigzag springs arranged in parallel in the left and right direction, uniform elasticity cannot be achieved.

However, in the present invention, a spring body 3 is attached to the inner upper surface of a box-shaped skeleton frame 2 having an arbitrary side shape, a cushion material 4 is placed on the upper surface of the spring body 3, and the outer peripheral surface of the cushion material 4 is covered with a skin 5. In the spring body 3, a plurality of zigzag springs 6 are arranged in parallel in the front-rear direction, and each zigzag spring 6 is
The rear part of the square frame 7 is overlapped with a zigzag spring 6.
is a vehicle seat suspended from the upper edge 17 of the box-shaped frame 2 by a desired number of left and right coil springs 15 and front and rear coil springs 13.
Even if the shape is formed into a desired shape, the spring body 3 is
It can be installed along the shape of the spring, improving the durability of the spring body and providing uniform elasticity.

[Brief explanation of drawings]

Fig. 1 is a longitudinal side view of the seat, Fig. 2 is a perspective view of the spring body in an assembled state, Fig. 3 is a perspective view of the frame line, Fig. 4 is a perspective view of the spring body, and Fig. 5 is a perspective view of the spring body. FIG. 6 is a side view of the attached state, and FIG. 6 is a perspective view of the spring body attached. Explanation of symbols 1...Seat sheet, 2...Box-shaped skeleton frame, 3.
...Spring body, 4...Cushion material, 5...Skin, 6
... Zigzag spring part, 7 ... Square frame, 8 ... Formed wire spring, 9 ... 3-shaped spring, 10 ... Torque bar part, 11 ... Bottom plate, 12 ... Side plate, 13...
- Coil spring, 14... Rear plate, 15... Coil spring, 16... Front wall, 17... Upper edge. 2 other persons Figure 3 Figure 2-i Written amendment to the mountain procedure (voluntary) Director General of the Patent Office Kunio Ogawa 1. Indication of the case 1988 Patent Application No. 142986 2. Name of the invention Vehicle sheet 3. Amendment Relationship with the case of a person who does
Tokyo Seat Co., Ltd. Representative Yasuo Shimizu 4, Agent (amend drawings 1 and 1 (Figures 2 to 6). Figure 5 Figure 6

Claims (1)

[Claims] The side shape is such that a spring body 3 is attached to the inner upper surface of an arbitrary box-shaped skeleton frame 2, a cushion material 4 is placed on the upper surface of the spring body 3, and the outer peripheral surface of the cushion material 4 is covered with a skin 5. , the spring body 3 is a plurality of parallel zigzag springs 6 in the front-rear direction, and the rear part of each zigzag spring 6 is made by overlapping a square frame 7, and the zigzag spring 6 is assembled into a box-shaped frame frame 2 with a desired number of left and right coil springs 15 and front and rear coil springs 13. A vehicle seat suspended from the upper edge 17 of the vehicle.