JPH0519004Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is an S
Regarding the spring mounting structure, more specifically, the present invention relates to an improvement in the mounting structure for arranging an S spring member within a frame forming a seat cushion and attaching an end portion of the S spring member to the frame. .

(Prior art) This type of S spring mounting structure for a car seat is the sixth,
The one shown in Figure 7 is known. In the figure, 1 is a seat cushion of an automobile seat, and a plurality of S spring members 3 are disposed between the front and rear frames 2a and 2b of a frame 2 surrounding the four sides, and these frame frames 2 and S spring members 3 is covered with a pad 4 made of foam as a cushion material and a skin member 5. The end portion 3a of the S spring member 3 is connected to the frame 2.
Embossed portions 6 formed on the front and rear frames 2a, 2b of
The clip member 7 is attached to the clip member 7. That is, a hollow clip member 7 is fitted into the embossed portions 6 formed on the front and rear frames 2a and 2b, and the end portion 3a of the S spring member 3 is inserted into this clip member 7, and the embossed portion 6 is inserted into the clip member 7. The clip member 7 was caulked, and the S spring member 3 was attached and fixed to the frame 2. The reason why the S spring member 3 is attached to the frame 2 via the clip member 7 is to prevent the S spring member 3 and the foam pad 4 from coming into direct contact with each other due to vibrations, etc., and causing abnormal noise. .

(Problems to be Solved by the Invention) The above-mentioned S spring mounting structure for a car seat includes inserting the end portion 3a of the S spring member 3 into the clip member 7,
This clip member 7 is attached to the embossed portion 6 of the frame 2.
The S spring member 3 is attached to the frame frame 2 by fitting into the frame 2 and clip member 7, and the end 3a of the S spring member 3 is simply inserted into the clip member 7. There was a risk that the S spring end 3a would move within the clip member 7 due to vibrations or the like, causing an abnormal lateral displacement sound or coming off from within the clip member 7.

This invention was made in view of the above points, and it is possible to securely fix and attach the S spring member and the clip member, and the clip member and the frame, and prevent the S spring member from coming off from the clip member due to vibration etc. An object of the present invention is to provide an S spring mounting structure for a vehicle seat.

(Means and effects for solving the problem) The S spring mounting structure for a vehicle seat according to this invention includes a flange portion and a claw portion having grooves on the left and right sides on the upper surface of the box member. The bottom surface of the box member is joined to the frame surface, and grooves are formed on the left and right sides to form protrusions that have elasticity in the inward direction of the box member, and the flange and claws of the top surface form a frame frame. The S spring member is held between the protrusion on the lower surface and the side surface of the box member. In addition to being able to be fixed to the frame, the S spring member can be fixed by the protrusion on the lower surface formed on the box member and the side surface of the box member.

(Example) An example of this invention is shown in Figures 1 to 5.
This will be explained based on the diagram.

8 in the figure is a seat cushion for a car seat.
An S spring member 10 is stretched around the frame 9, and the S spring member 10 is
It is formed by placing a foam pad member 11, which is a cushion material, on a spring member 10 and covering it with a skin member 12. The S spring member 10 is attached to the front and rear frames 9a and 9b of the frame 9 made of plates.
The end portion 10a is located between the front and rear frames 9.
It is fitted and fixed into a gripping member 13, which is a box member attached to parts a and 9b. That is, the front and rear frames 9
A and 9b are formed with a protruding part 14 having a U-shaped cross section, and the gripping member 13 is fitted into the space formed by the protruding part 14.

When the gripping member 13 is fitted into the space formed by the embossing portion 14, the tip portion is attached to the embossing portion 14.
It has a rectangular parallelepiped shape with a larger protruding size, has an opening 13a on one side, and has a space inside. The upper surface portion 13b of this gripping member 13 is provided with a flange portion 13c and a claw portion 13d for clamping the embossed portion 14 when the embossed portion 14 is fitted therein. The claw portion 13d of this gripping member 13 is attached to the gripping member 1.
3, and grooves 13e, 13e are bored on the left and right sides thereof. That is, the claw portion 13 of the gripping member 13
d is formed to protrude in the depth direction on the upper surface portion 13b on the side of the opening 13a, and when the gripping member 13 is inserted into the punched-out portion 14, the claw portion 13d is pressed by the punched-out portion 14 and bends downward, so that the punched-out portion 14 The claw portion 13d is formed so as to spring upward and hold the ejecting portion 14 between the collar portion 13c of the gripping member 13 and the claw portion 13d. Furthermore, gripping member 1
3, the side surface 13 of the gripping member 13 is
Grooves 15a, 15 on the left and right sides at positions close to g.
A protrusion 15 having elasticity is formed in the inner direction of the gripping member 13. This gripping member 13
The protrusion 15 has a shape that slopes upward toward the side surface 13g, and when the gripping member 13 is fitted into the protruding portion 14, it joins to the front and rear frames 9a and 9b, and extends outward from the gripping member 13. The projecting part 15 and the side part 13
The S spring member 10 is held between the two.

In the above structure for attaching an S spring to an automobile seat, when the gripping member 13 is inserted into the space 15 formed in the embossed portions 14 of the front and rear frames 9a and 9b, the claw portion 13d of the gripping member 13 is inserted into the embossed portion 14. When the flange 13c of the gripping member 13 is inserted until it abuts against the embossed part 14, the claw 13d has passed through the embossed part 14, so the claw 13d is pushed upwards. From the flange 13c
The holding member 13 clamps the punched portion 14 at the same time and fixes it to the front and rear frames 9a and 9b. and,
When the end portion 10a of the S spring member 10 is inserted into the inside through the opening 13a of the gripping member 13, the end portion 10a of the S spring member 10 is gripped by the protrusion 15 of the lower surface portion 13f and the side surface portion 13g of the gripping member 13. Then, the end portion 10a of the S spring member 10 is fixed to the gripping member 13. That is, the gripping member 13 is fixed to the frame 9 by the flange 13c and the claw 13d of the upper surface 13b, and the S spring member 10 is connected to the protrusion 15 formed on the lower surface 13f of the gripping member 13 and the side surface. The protrusion 15 is fixed to the gripping member 13 by the portion 13g, and the protrusion 15 is joined to the front and rear frames 9a and 9b so that the S spring member 10 does not bend in the direction in which the S spring member 10 is released. Since the grip member 13 does not shift laterally within the gripping member 13, generation of abnormal noise can be prevented, and comfortable driving can be achieved.
Furthermore, the gripping member 13 has a claw portion 13d on the upper surface portion 13b.
Since it can be fixed to the frame 9 by the flange portion 13c, there is no need for the conventional work such as caulking, and work efficiency is improved.

In the above embodiment, the protrusion was provided at only one location on the lower surface of the gripping member, but it is also possible to provide the protrusion at multiple locations along the side surface of the gripping member. In this case, the S spring The fixed state of the members becomes even more reliable. In addition, the shape of this protrusion is
The shape is not limited to the above embodiment, and the shape can be changed in various ways.

(Effects of the invention) The S spring mounting structure for a vehicle seat according to this invention has the following effect by providing protrusions on the upper and lower surfaces of the box member that fits into the protrusion of the frame. produce an effect.

By forming a flange and a claw on the top surface of the box member, the embossed part can be held between the flange and the claw, and the box member can be fixed to the frame, making the fixing work easier. become

The box member can be attached to the frame by forming grooves on the left and right sides of the lower surface of the box member, which are joined to the plate-shaped frame surface, and have protrusions that have elasticity toward the inside of the box member. In the fixed state, the protrusion is joined to the frame and does not bend in the direction in which the S spring member is removed. This results in
The S spring end can be held between the protrusion and the side surface of the box member, and the S spring end can be reliably fixed within the box member. The parts do not shift laterally, and abnormal noise can be prevented.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a seat cushion using the S spring mounting structure according to the present invention, Fig. 2 is an enlarged perspective view of section A shown in Fig. 1, and Fig. 3 is a -
4 is a plan view of the gripping member shown in FIG. 2, FIG. 5 is a sectional view taken along the - line in FIG. 4, and FIG. 6 is a seat using the conventional S spring mounting structure. A perspective view of the cushion, FIG. 7 is an enlarged perspective view of section B in FIG. 6. In the figure, 9 is a frame frame, 10 is an S spring member, 1
3 is a gripping member, and 14 is a protruding portion of the frame.

Claims (1)

[Claims for Utility Model Registration] An upwardly projecting protrusion is formed on the front and rear plate-like parts of the frame forming the seat cushion, and between the protrusion and the frame surface,
A box member having an opening on one side is fitted into the box member, and an end of an S spring member that is stretched between the front and rear parts of the frame is inserted into the box member, and this S spring member is attached to the frame. In the S spring mounting structure for a vehicle seat to be fixed, a protruding portion of the frame is held between the upper surface of the box member, and a flange portion and a claw portion having grooves on the left and right sides are provided in the box member. A protrusion is provided on the lower surface of the box member by joining to the frame surface and forming grooves on the left and right sides to have elasticity inward of the box member. An S-spring mounting structure for a vehicle seat characterized by sandwiching a portion of the spring.