JPH0227800Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to an automobile seat frame formed into a frame shape with front and rear side members and left and right side members arranged to face each other.

"Prior Art" An example of a conventional automobile seat frame is the one shown in FIG.

That is, the automobile seat 10 is the cushion 11.
The cushion pad 11a is covered by a frame 13, and the frame 13 forms the core of the cushion 11. The frame 13 has a frame shape along the outer periphery of the cushion 11, and is made up of a combination of front, rear, left and right side members.For example, the front side member 14 has a groove-shaped cross section, and the left side member is attached to the front of the frame 13. Connection piece 1 at the front end of 15
5a are overlapped and connected by spot welding, and the side member 14
A gap S exists between the edge 14a and the front end of the side member 15.

"Problems to be Solved by the Invention" However, in the frame 13 of the conventional seat 10, there is a gap S between the side members at the connection site, so the cushion pad 11a does not hit stably, and the cushion pad 11a hits unevenly. The edge of the seat may become uncomfortable for those seated, or the edge of the seat may become uncomfortable after long periods of use.
There is a risk that the cushion pad 11a may be torn by the contact a, and there is also a problem that the strength of the connection portion is insufficient, resulting in a decrease in durability.

The present invention was made in view of these conventional problems, and an object of the present invention is to provide an automobile seat frame that solves the above problems by smoothly connecting side members.

"Means for Solving the Problems" The gist of the present invention to achieve the above purpose is to provide front and rear side members in an automobile seat frame formed in a frame shape to support the outer periphery of the seat. and left and right side members are arranged in a frame shape so as to face each other, and at least one side member among the front and rear facing side members and the left and right side members connected thereto are connected to the respective inner peripheral edges thereof so as to be smoothly connected to each other. forming a curled portion so as to be continuous, and connecting and solidifying the end of the at least one side member and the end of the left and right side members by overlapping the curled portion and overlapping substantially the entire width. The present invention relates to an automobile seat frame characterized by:

"Operation" To assemble the seat frame, the front and rear side members and the left and right side members are respectively opposed to each other, and the ends of adjacent side members are overlapped and arranged in a frame shape.

The end of at least one of the opposing front and rear side members and the ends of the left and right side members are continuous by overlapping the curled part formed on the inner peripheral edge, and the other parts of the end are also almost continuous. They are overlapped over the entire width and then consolidated and connected.

Since adjacent side members overlap and connect over almost the entire width, there are no gaps, the sitting comfort is stable and comfortable, and the cushion pad does not break. Since stress concentration does not occur at the connection part and the highly rigid curled part is continuous, the automobile seat frame is stable in terms of strength.

“Embodiment” An embodiment of the present invention will be described below based on the drawings.

FIG. 1 shows a frame 2 according to the first embodiment of the present invention.
0, the frame 20 is the front side member 21
The left and right side members 23 and 24 of symmetrical shape are arranged to face each other, and the ends of each member are overlapped and connected and fixed by spot welding. .

Slide rails 16, 1 are provided under the frame 20.
7 is fixed.

Each of the side members 21 to 24 is formed with a generally groove-shaped cross section that is open upward.

For example, in the front side member 21, there is a bottom part 25 on the front edge.
A wall portion 26 rising upward from the wall portion 2 is formed.
A curled portion 27 that wraps downward is formed at the upper end of 6, and a curled portion 28 is similarly formed at the rear edge.

The bottom part 25, wall part 26, curl part 27, and curl part 28 of the front side member 21 are connected to each other side member 2.
2 to 24 are connected to wall portions, curled portions, etc., which are similarly formed.

The front end 23a of the left side member 23 and the front end 24a of the right side member 24 are connected to both ends 21a, 21a of the side member 21, overlapping each other over the entire width of the front side member 21. Consolidated by welding.

The side member 22 and the left and right side members 23 and 24 are similarly connected and solidified in an overlapping manner over the entire width.

In the frame 20 having the above configuration, the side members 21 to 24 are connected smoothly and continuously, so when the cushion pad 11a is covered with the frame 20 and the cushion pad 11a is supported by the frame 20, the contact is stable. I don't feel any discomfort when I sit down. Cushion pad 11
A sharp part will not hit the cushion pad 11a, and the cushion pad 11a will not be cut.

In addition, in the above embodiment, both the front and rear connection parts are overlapped over the entire width, but it is sufficient to overlap over almost the entire width, and it is also possible to overlap only the structurally important side over almost the entire width. effective.

"Effect of the invention" According to the automobile seat frame according to the invention,
The side members that make up the frame are connected smoothly, and there are no gaps or sharp points at the connection sites, so the cushion pads will not break or the cushion will not hit unevenly, resulting in a comfortable sitting experience. This has been improved, and since stress concentration does not occur on the frame, and the highly rigid curled portions are continuous, it can withstand large loads, making it possible to reduce weight and improve durability. Also,
It is also safe when handling the frame as a component because there are no sharp parts.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a frame according to a first embodiment of the present invention, and FIG. 2 is a partially cutaway perspective view of a conventional seat. 10...Seat, 11...Cushion, 11a...
...Cushion pad, 12... Seat back, 2
0...Frame, 21-24... Side members.

Claims (1)

[Claims for Utility Model Registration] In an automobile seat frame formed in a frame shape to support the outer periphery of the seat, front and rear side members and left and right side members are arranged in a frame shape so as to face each other, and the above-mentioned Curled portions are formed on the inner peripheral edges of at least one of the front and rear facing side members and the left and right side members connected thereto so as to be smoothly continuous when connected, and an end of the at least one side member is formed. 1. A seat frame for an automobile, characterized in that the end portions of the left and right side members are connected and solidified by overlapping the curled portions and overlapping substantially the entire width thereof.