JPS5816906Y2 - Seat frame structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a frame structure for a seat of an automobile, etc., and particularly to a seat frame structure with a simple configuration.

Conventionally, 7-toe frames of automobiles, especially cushion frames, have been separate from their slide rails.Usually, the slide rails are attached to the cushion frame with bolts, or are attached to brackets attached to the cushion frame with ζ bolts. Since the structure is relatively complicated, the number of parts increases, and the number of installation steps increases.

Therefore, the main object of the present invention is to provide a seat frame structure that eliminates the conventional drawbacks such as sloping.

The feature of the seat frame structure according to the present invention is that in a seven-tooth frame such as an automobile, which consists of front and rear frame sections and both side frame sections, the above-mentioned both side frame sections can also be used as the amber rails of the slide rails. The lower rail of the slide rail is fitted into each of the frame parts on both sides, and an operating lever for the slide rail is provided in relation to one of the frame parts on both sides and the corresponding lower rail.

In order to clarify the above-mentioned characteristics of the present invention, prior to explaining the present invention, a conventional seat frame structure will be explained with reference to FIGS. 1 and 2.

Note that FIG. 1 is a perspective view of a seat S for an automobile, etc., and the seat frame of the present invention, which will be described later, is also applicable to this in addition to the conventional example.

Further, FIG. 2 is an exploded perspective view of a part of a conventional seat frame.

In FIG. 1, SB is the backrest portion of the seat S, and SC is the cushion portion of the seat S.

FIG. 2 U shows a cushion part SCO frame, i.e., a seat frame 1, which includes a front frame part 11 and both side frame parts 12 and 13, which are respectively made of metal pipes.
and a rear frame portion 14.

Brackets 21 and 22 are fixed to both ends or both sides of the front frame part 11 of the frame 1, respectively, and brackets 31 and 32 are fixed to both sides of the rear frame part 14, respectively.

41 and 42 are slide rails for moving the cushion part SC1 and therefore the seat frame 1 in the front and rear directions, and these slide rails 41 and 42 are attached to the bracket 21 by bolts 50 to 53 at the front and rear thereof.
, 22, 31 and 32, respectively, that is, the slide rails 41 and 42 are fixed to the upper rail 41-1, which is fixed to the seat frame 1 via a bracket.
42-1 and 42-2, which is fixed to the chassis or floor of an automobile or the like, has a lower rail 41-2, and is provided with an operating lever 6 in relation to one slide rail, in the illustrated example, the slide rail 42, By operating this, the upper rails 41-1 and 42-1, that is, the seat frame 1, can be moved in the front-rear direction with respect to the lower rails 41-2 and 42-2, that is, the floor or chassis of the automobile etc. As is well known.

In addition, in FIG. 2, 7 is an attachment part to which the frame (not shown) of the backrest part SB of the seat S is attached,
Reference numeral 8 denotes a mounting portion to which the reclining device 9 of the backrest portion SH shown in FIG. 1 is mounted.

As mentioned above, in the conventional seat frame structure, the seat frame 1 and the slide rails 41 and 42 are completely separate bodies, so a large number of brackets and bolts are required to assemble them, and each slide rail has , an upper rail, and a lower rail, the structure becomes complicated, and the number of parts also increases accordingly.Therefore, there are drawbacks such as an increase in the number of installation steps.

Hereinafter, an example of the seat frame structure of the present invention that avoids the above-mentioned conventional drawbacks and has the above-mentioned features will be described with reference to FIGS. 3 and 4A and 4B.

In this figure, the same reference numerals as in FIG. 2 indicate the same elements.

FIG. 3 is an exploded perspective view of an example of the present invention, similar to FIG. The slide rail 41 of the conventional device shown in FIG. 42
The functions of the amber rails 41-1 and 42-1 are also provided at the same time.

In this case, each of the frame parts 12 and 13 is formed longer than the lower rail, and the front and rear ends thereof are bent upward as shown in FIGS. 3 and 4, and the front and rear frame parts 1
1 and 14 on the slide rail or lower rail 41.4
2 or 41-2. It is held above 42-2.

Therefore, in this example of the present invention, only the lower rail is provided separately.

That is, the slide rails 41 and 42 are composed only of lower rails 41-2 and 42-2 that are fixed to the floor of an automobile or the like.

The structure of each of the slide rails 41 and 42 in the present invention is similar to that of a conventional slide rail as shown in FIG. are almost the same, so a detailed explanation will be omitted, but since the frame parts 12 and 13 on both sides play the role of the upper rail, the mounting and configuration of the operating lever 6 are different, so the fourth This will be explained with reference to Figures A and B.

4A is an enlarged perspective view of the operating lever 6 shown in FIG. 3 as seen from the inside, and FIG. 4B is an enlarged perspective view of the main part of the operating lever 6.

The operating lever 6 as shown in FIG. 4A is provided with a window 6 on the inner side of the frame portion 13 to which it is pivoted by a pin 61 (see FIG. 3).
2 is bored, and through this window 62, an engaging portion 64 of the operating lever 6 having a pawl 63 as shown in FIG. 4B projects into the frame portion 13.

On the other hand, as shown in FIG. 3, a plurality of grooves 42-3 are formed on the inner edge.
The frame portion 13 is attached to the lower rail 42-2 having a
They fit together in the same way as the conventional example shown in FIG.

In this case, the spring 10 is stretched between the operating lever 6 and the frame portion 13 so that the claw 63 of the operating lever 6 is always engaged with one of the grooves 42-3 of the lower rail 42-2.
In other words, the operating lever 6 is biased in the direction of arrow a in FIG.

Therefore, if the operating lever 6 is rotated about the pin 61 in the opposite direction to the direction of the arrow a, for example, the claw 63 will come out of the groove 42-3 of the lower rail 42-2, so that the seat frame 1, that is, the cushion Section SC as before,
It can be moved relative to the lower rails 41-2 and 42-2.

In addition, in the present invention, since the conventional amber rail and both side frame parts are integrally formed, the conventionally used brackets 21, 22, 31, and 32 are completely unnecessary, and the number of parts is reduced accordingly. This has the practical effect of reducing the number of points and the number of assembly steps.

Further, for the same reason as mentioned above, the weight of the seat frame can be reduced.

In addition to the features of the present invention described above, other features of the present invention will be explained with reference to FIGS. 5 and 6.

FIG. 5 shows an example of the seat frame 1 of the present invention shown in FIG. 3 combined with a cushion pad and human skin.
6 is an enlarged perspective view of the inside of the circle 30 in FIG. 5. FIG.

In the present invention, as shown in the same figure, particularly in FIG. A guide 40 made of a resin material and bent into a U-shape is joined or sewn, and a frame line 50 is inserted into the U-shaped bent portion of the guide 40, that is, into the U-shaped groove.

Next, as shown in FIG. 5, the skin 20 is placed over the seat frame 1 via the cushion band CP, spring SP, etc., and the frame line 50 is placed at a predetermined position, in the illustrated example. By tightening the cover 20 so as to lock it in a predetermined position on the upwardly curved or bent portions of the frame portions 12 and 13, it is extremely easy to cover the seat frame 1 with the skin 20 as desired.

In addition, another example of covering the skin 20 on the seat frame 1 is as follows.
This will be explained with reference to FIG. 7, which is a sectional view of the same portion as FIG. 6.

In this example, as in the previous example, the circumferential edge of the skin 20 is folded twice, and a guide sleeve 60 made of the same material as the skin 20 is placed inside the skin 20 in double folds along the fold.
This Gaitos IJ-
Insert the wire 70 into the pro 0.

On the other hand, the frame line 50 is fixed in advance at the same position as shown in FIG. If the wire 70 and the frame line 50 are fixed together at multiple places at appropriate intervals with Honda rings 80, the skin will be removed as in the example shown in FIG. 20 can be easily placed over the seat frame 1.

As described above, according to the present invention, the seat frame structure has amber rails that also serve as frame parts on both sides, which are longer than the lower rails, and both front and rear ends of the upper rails are bent upward to bend the front and rear sides. Since the end portions are connected by the front and rear frame members, the front and rear frame portions are located above both frame portions, that is, the slide rails, and when this seat frame structure is applied to a seat of an automobile, etc. The high front frame prevents seated occupants from sliding forward in the event of a sudden stop or collision.
In addition, the high rear frame section allows for a large length space for the rear seat occupants, which is advantageous for seating the rear seat occupants, and also makes it extremely easy to cover the seat frame with the skin when assembling the seat. It can be intimidating and its practical effects are canine.

In addition, it will be easy for the concerned person to make many changes and changes without departing from the gist of the present invention.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a seat of an automobile, etc., Fig. 2 is a partially exploded perspective view of a conventional seat frame and slide rail, and Fig. 3 is an example of the seat frame and slide rail according to the present invention. FIG. 4A is an enlarged perspective view of a part of the part, FIG. 4B is a perspective view of the part seen from the other side, and FIG. 5 is an exploded perspective view of the seat frame according to the present invention. Fig. 6 is an enlarged perspective view of the two parts, and Fig. 7 is a sectional view of the same part as Fig. 6 of another example of the present invention. In the figure, S is the seat, 1 is the seat frame, 14 is the rear frame part, 6 is the operating lever, 7 and 8 are the mounting parts, 1
0 is a spring, 11 is a front frame part, 12 and 13 are both side frame parts, 41.42 and 41-2.42-2 are slide rails or lower rails, 42-3 is a groove, 61 is a pin, 62 is a window, 63 20 is a nail, 20 is an epidermis, CP is a cushion pad, 40 is a guide, 50 is a frame line, 60 is a guide sleeve, 70 is a wire, and 80 is a Honda ring.

Claims (1)

[Scope of utility model registration request] At least two slide rail members, each consisting of an upper rail member and a lower rail member that are slidably engaged with each other in the front-rear direction and arranged in parallel at a required interval, have the upper rail member longer than the lower rail member. A seat frame characterized in that both the front and rear ends of the upper rail member are bent upward, and the front and rear bent ends of the at least two upper rail members are connected by front and rear frame members. structure.