JPH08244557A - Seat for automobile - Google Patents

Abstract

PURPOSE: To provide a seat for an automobile which gives no feeling of foreign matter to the back of an occupant sitting in a seat cushion, and is not broken even though a hook provided on the front surface side of a seat back interferes to a floor. CONSTITUTION: A hook tang 11 engaged to a buckle has a rigidity not to deform when a tang 13 allowable to engage to and to remove from the buckle is enagaged, and a webbing 17 provided to a seat back has flexibility.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a vehicle seat.

[0002]

2. Description of the Related Art As an automobile seat, for example, as shown in FIGS. 5 and 6, an automobile seat 1 comprises a seat cushion 2 and a seat back 3, and a gap between the seat cushion 2 and the seat back 3. 4, a buckle 6 of a belt 5 having an anchor (not shown) supported by a floor panel (not shown) as a vehicle body is inserted through and placed on the seat cushion 2. And seat back 3
The hook 8 protruding to the surface 7 side of the
I support. According to such a vehicle seat of the related art, improvement is desired in terms of sitting comfort. That is, the hook 8 may interfere with the back of the occupant seated on the vehicle seat, and in such a case, the back of the occupant feels a foreign object. Therefore, the actual Kaihei 2-43
751, No. 64-16952 and No. 64-
As shown in Japanese Patent No. 16953 etc., the buckle can be inserted into and removed from the recess provided on the front surface side of the seat back.

[0003]

However, in the above-mentioned conventional vehicle seat, when the back interferes with the edge of the box member forming the recess, a feeling of foreign matter is felt on the back. Further, in the case of the vehicle seat 1 shown in FIGS. 5 and 6, when the rear portion of the seat cushion 2 is flipped up to make the seat back 3 a double folding seat which is tilted forward, the surface 7 of the seat back 3 is The hook 8 disposed on the side may interfere with the floor and break. Therefore, the present invention has been made in view of the above points, and an object thereof is to dispose the seat cushion on the front surface side of the seat back without giving a feeling of foreign matter to the back of the occupant seated on the seat cushion. An object is to provide a vehicle seat that does not break even if the hook interferes with the floor.

[0004]

A vehicle seat according to claim 1 of the present invention comprises a seat cushion and a seat back, and one of the belts is disposed on the seat cushion and the belt is provided on the seat back. In an automobile seat in which the other one of the belts that can be engaged and disengaged is disposed on one side, the other side of the belts has a rigidity such that a portion of the belt that can be engaged and disengaged does not deform when engaged. In addition, the portion on the side provided on the seat back has flexibility. A vehicle seat according to a second aspect of the present invention is the vehicle seat according to the first aspect, wherein a portion of the other of the belts, which is engageable with and disengageable from one of the belts, is formed of a metal plate and is disposed in the seat back. The part on the side of the base is characterized by being made of a webbing such as cloth.

According to a third aspect of the present invention, in the automobile seat according to the first aspect, a portion of the other of the belts that can be engaged and disengaged with one of the belts can be engaged with and disengaged from one of the belts. An extension portion formed in a closed loop shape and extending to a portion side of the closed back portion, which is disposed on the seat back, is formed on the portion side of the seat back, and the extension portion is disposed on the seat back. A bendable thin portion is formed between a portion on the side where the belt is provided and a portion on which one of the belts can be engaged and disengaged. The automobile seat according to claim 4 of the present invention is the automobile seat according to claim 3, wherein the closed loop portion is formed with a pressing portion capable of engaging and pressing the closed loop portion to one side of the belt. To do.

[0006]

According to the vehicle seat of claim 1 of the present invention, the other part of the belt disposed in the seat back does not deform at the time of engaging the part that can be engaged and disengaged with one of the belts. By having the rigidity of only one, the engaging function for one of the belts is maintained. Further, since the portion on the side provided on the seat back has flexibility,
Even if it interferes with the back of the occupant seated on the seat cushion, the flexible portion bends so that the back of the occupant does not feel a foreign object, and the hook arranged on the front side of the seat back is attached to the floor. Even if it interferes with, it will not be broken by bending at the portion having flexibility. Claim 2 of the present invention
According to the vehicle seat of (1), the portion of the other of the belts that can be engaged with and disengaged from one of the belts is formed of a metal plate, so that the engagement function with respect to one of the belts is maintained. Further, since the portion on the side provided on the seat back is made of a webbing such as a cloth, even if it interferes with the back of an occupant seated on the seat cushion, the portion is a webbing, so that the seat back feels a foreign object. Even if the hook disposed on the front surface side of the seat back interferes with the floor, the hook does not break because it is a webbing.

According to the vehicle seat of claim 3 of the present invention, the other portion of the belt, which is engageable with and disengageable from one of the belts, is formed in a closed loop shape capable of engaging with and disengaging from one of the belts. And the extension portion extending toward the portion on the side of the seat back where the closed loop portion is disposed on the side of the seat back is formed. Maintain the combined function. Further, a bendable thin portion is formed between a portion provided on the seat back and a portion that can be engaged with and disengaged from one of the belts, so that an occupant seated on the seat cushion is formed. Even if it interferes with the back of the seat back, the thin part bends, so that the back of the occupant does not feel a foreign object, and the hook arranged on the front side of the seat back bends even when the floor interferes. As a result, it will not break. According to the vehicle seat of claim 4 of the present invention, since the pressing portion is formed in the closed loop portion, when the pressing portion is pushed, the closed loop portion is more engaged with the one side of the belt. It will be easier.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. An automobile seat according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. In the figure, the vehicle seat 1 is
It comprises a seat cushion 2 and a seat back 3. A buckle 6 (one of the belts) of a belt 5 on which an anchor (not shown) is supported by a floor panel (not shown) is inserted through a gap between the seat cushion 2 and the seat back 3 so that the seat cushion 2 is covered. It is placed on. On the surface 7 side of the seat back 3, there is a hook tongue 11 (the other side of the belt) that can be inserted into and removed from the buckle 6.
Are supported by the seat back 3. The hook tongue 11 is formed of a metal plate having a rigidity such that the tongue portion 13, which is a portion that can be engaged with and disengaged from the buckle 6, which is one of the belts, does not deform when engaged, and is arranged on the seat back 3. The webbing portion 17 as the portion on the installed side is formed of a flexible cloth or the like.

More specifically, the tongue portion 13 is
Is a metal plate having a size sufficient to engage the buckle 6 and a size having only a portion for supporting the webbing portion 17, and is a relatively small piece. And this tongue part 1
Reference numeral 3 denotes an engagement hole 14 and a piece of the webbing that engages with a known lock portion (not shown) disposed inside the buckle 6 so as not to be disengaged from the buckle 6. The tongue portion 1 is provided on the portion 18 where the portion 17 is folded back.
Supporting holes 15 for supporting 3 are respectively formed.

The webbing portion 17 is made of cloth having a predetermined width, one of which has a portion 18 folded back by the supporting hole 15 of the tongue portion 13, and the other of which is the surface of the seat back 3. It is supported by a cap 19 supported by a thread 20 fixed to the back surface (not shown) of the seat back 3 via a recess 10 formed on the 7 side. The thread 20 shown in FIG. 2 is in a loosened state before supporting the cap 19. The dimensional relationship between the cap 19 and the recess 10 is, of course, such that the cap 19 is immersed in the recess 10. Therefore, according to this embodiment, the hook tongue 11 as the "other side of the belt" arranged in the seat back 3 is engaged with and disengaged from the buckle 6 as the "one side of the belt". Since it is made of a metal plate having a rigidity that does not deform at the same time, the function of engaging the buckle 6 is maintained.

Further, since the webbing portion 17 of the hook tongue 11 on the side of the seat back 3 is made of a flexible material such as cloth, the back of the occupant seated on the seat cushion 2 is backed up. Even if the hook tongue 11 of the seat back 3 interferes with the seat back 3, the flexible webbing portion 17 causes the tongue portion 13 to move to a position where it does not interfere with the back of the occupant. It is possible to obtain a comfortable sitting feeling without giving a foreign body feeling. Further, when the seat cushion 2 is made to stand upright as shown by the outlined arrow and the seat back 3 is made to function as a so-called double folding seat in which it is tilted forward as shown by the outlined arrow, Hook tongue 1 arranged on the surface 7 side of the back 3
Even if 1 interferes with the floor (not shown), the flexible webbing portion 17 bends to move the tongue portion 13 to a position where it does not interfere with the floor, so that the hook tongue 11 is not broken. .

FIG. 3 shows another embodiment of the present invention, which is different from the above embodiment only in the structure of the other side of the belt. That is,
The hook tongue 21 as "the other side of the belt" has a tongue portion 23 as a portion that can be engaged with and disengaged from the buckle 6 as the "one side of the belt", and flexible polypropylene (PP), polyethylene (PE), etc. And a webbing portion 24 made of a synthetic resin material. That is, the tongue portion 23 is a core material 25 (closed loop portion) formed in a closed loop shape that can be engaged with and disengaged from the buckle 6 by a wire material.
And a cover 26 that covers the core 25. More specifically, at the end of the core member 25 on the side of the webbing portion 24, the extension portion 2 extending to the side of the webbing portion 24 is provided.
7 are formed. The length of the extension portion 27 extends beyond a bendable thin portion 28 formed between the tongue portion 23 and the webbing portion 24. It is preferable that the cover 26 and the webbing portion 24 are integrally formed of the same material. Reference numeral 29 is
In a state of being engaged with a well-known lock portion (not shown) provided inside the buckle 6, the cover 26 is bent around the core member 25 so as to be engaged so as not to be disengaged from the buckle 6. It is an engagement hole formed in.

Therefore, according to this embodiment, the tongue portion 23 of the hook tongue 21 as the "other side of the belt" which can be engaged with and disengaged from the buckle 6 as the "one side of the belt" is engaged with the buckle 6. By forming the core material 25 and the extension portion 27 which are formed in a closed loop shape that can be engaged and disengaged, the load to be engaged with the buckle 6 is increased by the hook tongue 2.
When 1 is added, the function of engaging the buckle 6 is maintained because there is no bending at the thin portion 28. Also, the tongue portion 2
3 is formed between the webbing portion 24 and the webbing portion 24, so that even if the thin portion 28 interferes with the back of the occupant seated on the seat cushion 2, the thin portion 28 is indicated by an outline arrow in FIG. By bending as shown by, the tongue portion 2
By moving 3 to a position where it does not interfere with the back of the occupant, it is possible to obtain a comfortable sitting sensation that does not give the occupant a feeling of foreign matter. In addition, when the seat cushion 2 is made to stand upright as shown by the white arrow in FIG. 1 and the seat back 3 is made to function as a so-called double folding seat for tilting forward as shown by the white arrow. ,
Even if the hook tongue 21 disposed on the front surface 7 side of the seat back 3 interferes with a floor (not shown), the thin portion 28 bends, and the tongue portion 23 moves to a position where it does not interfere with the floor. The hook tongue 21 will not be broken.

FIG. 4 shows still another embodiment of the present invention. The difference from the above embodiment is only the other structure of the belt. That is, the hook tongue 31 as "the other side of the belt" has a tongue portion 33 as a part which can be engaged with and disengaged from the buckle 6 as the "one side of the belt", and flexible polypropylene (PP), polyethylene (PE). ) And other synthetic resin materials. That is,
The tongue portion 33 includes a core material 35 (closed loop portion) formed in a closed loop shape that can be engaged with and disengaged from the buckle 6 by a wire material, and a cover 36 that covers the core material 35. More specifically, the webbing portion 34 of the core material 35
An extension portion 37 extending toward the webbing portion 34 is formed at the side end. The length of the extension portion 37 extends beyond a bendable thin portion 38 formed between the tongue portion 33 and the webbing portion 34. It is preferable that the cover 36 and the webbing portion 34 are integrally formed of the same material.

Reference numeral 39 indicates a state in which the core member 35 is engaged with a well-known lock portion (not shown) provided inside the buckle 6 so as not to be disengaged from the buckle 6. It is an engagement hole that is surrounded and formed in the cover 36. Reference numeral 40 indicates an extension portion 37 of the core material 35.
Is a pressing portion formed by bending the free end of the hook outside the cover 36, and the pressing portion 40 has a function of easily engaging and pressing the hook tongue 31 with the buckle 6. Reference numeral 41 is a base portion having a thread hole 42 through which the thread 18 supported in the recess 10 on the front surface 7 side of the seat back 3 as shown in FIG. 2 is inserted.

Therefore, according to this embodiment, the tongue portion 33 of the hook tongue 31 as the "other side of the belt", which can be engaged with and disengaged from the buckle 6 as the "one side of the belt", is engaged with the buckle 6. Since the core material 35 and the extension portion 37 which are formed in a closed loop shape that can be engaged and disengaged are formed and the extension portion 37 is formed with the pressing portion 40, the load engaged with the buckle 6 is white in FIG. As shown by the extraction arrow, when it is applied to the pressing portion 40, bending at the thin portion 38 is blocked by the extension portion 37 and added to the core material 35, so that the engaging force is reliably transmitted and there is no bending, the buckle 6 The hook tongue 31 is easily engaged with the hook. Further, since the bendable thin portion 38 is formed between the tongue portion 33 and the webbing portion 34, even if the thin portion 38 interferes with the back of the occupant seated on the seat cushion 2.
By bending as shown by the white arrow in FIG. 3, the tongue portion 33 moves to a position where it does not interfere with the back of the occupant, and a comfortable seating feeling that does not give a foreign body feeling to the occupant's back is obtained. Of. In addition, the seat cushion 2 is shown in FIG.
When the seat back 3 is made to function as a so-called double folding seat, which is set up on the rear side as indicated by the outline arrow and the seat back 3 is also tilted forward as indicated by the outline arrow, the surface 7 side of the seat back 3 Even if the hook tongue 31 arranged on the floor interferes with the floor (not shown), the thin portion 3
As the tongue portion 8 is bent, the tongue portion 33 moves to a position where it does not interfere with the floor, so that the hook tongue 31 is not broken.

[0017]

As described above, according to the automobile seat of claim 1 of the present invention, the seat cushion comprises the seat cushion and the seat back, and one of the belts is disposed on the seat cushion and the seat back is provided. In an automobile seat in which one of the belts is provided with the other of the belts that can be engaged and disengaged, the other of the belts has a rigidity such that a portion of the belt that can be engaged and disengaged does not deform when engaged. And the other side of the belt disposed on the seat back has flexibility, the other side of the belt disposed on the seat back is In addition, since the part that can be engaged and disengaged has a rigidity that does not deform at the time of engagement, it has a practical effect of maintaining an engaging function for one of the belts. Further, since the portion on the side provided on the seat back has flexibility, the occupant who is seated on the seat cushion bends at the flexible portion even if it interferes with the back of the occupant. There is no feeling of foreign matter on the back of the seat back, and even if the hook arranged on the front surface side of the seat back interferes with the floor, the hook bends at the flexible portion, so that it does not break. Have.

According to the automobile seat of claim 2 of the present invention, the other portion of the belt, which is engageable with and disengageable from one of the belts, is formed of a metal plate and is disposed in the seat back. Since the side portion is made of a webbing such as cloth, in addition to the effect of claim 1, the other portion of the belt that can be engaged with and disengaged from one of the belts is a metal plate. By being formed from the above, it has a practical effect of maintaining an engaging function for one of the belts. Further, since the portion on the side provided on the seat back is made of a webbing such as a cloth, even if it interferes with the back of an occupant seated on the seat cushion, the portion is a webbing, so that the seat back feels a sense of foreign matter. Therefore, even if the hook disposed on the front surface side of the seat back interferes with the floor, the hook is a webbing, so that the hook does not break and is not broken.

According to the vehicle seat of claim 3 of the present invention, the other portion of the belt, which is engageable with and disengageable from one of the belts, is formed in a closed loop shape capable of engaging with and disengaging from one of the belts. And a side disposed on the seat back, on the side of the portion on the side of the seat back where the closed loop portion is disposed, extending to the side of the side disposed on the seat back. Since a bendable thin wall portion is formed between the portion of the belt and the portion of the belt which can be engaged and disengaged with one of the belts, in addition to the effect of claim 1, The other part of the belt that can be engaged and disengaged with one of the belts is formed in a closed loop shape that can be engaged and disengaged with one of the belts, and the part of the closed loop part on the side of the seat back where The part on the side of the seat back By extension portion extending on the side is formed to maintain engagement function for one of said belt,
It has the practical effect of Further, a bendable thin portion is formed between a portion provided on the seat back and a portion that can be engaged with and disengaged from one of the belts, so that an occupant seated on the seat cushion is formed. Even if it interferes with the back of the seat back, the thin part bends, so that the back of the occupant does not feel a foreign object, and the hook arranged on the front side of the seat back bends even when the floor interferes. As a result, it has the practical effect that it will not break.

According to a fourth aspect of the vehicle seat of the present invention, the closed loop portion is formed with a pressing portion capable of engaging and pressing the closed loop portion with one side of the belt. Therefore, in addition to the effect of claim 3, there is a practical effect that the closed loop portion can be more easily engaged with the one side of the belt by pressing the pressing portion.

[Brief description of drawings]

FIG. 1 is a perspective explanatory view of an automobile seat according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a main part of FIG.

FIG. 3 is a perspective explanatory view corresponding to FIG. 2 according to another embodiment of the present invention.

FIG. 4 is a side view for explaining still another embodiment of the present invention.

FIG. 5 is a perspective view illustrating a problem of a conventional vehicle seat.

FIG. 6 is an enlarged perspective explanatory view of a main part of FIG.

[Explanation of symbols]

 1 Automotive Seat 2 Seat Cushion 3 Seat Back 5 Belt 6 Buckle (One Belt) 7 Seat Back Surface 11 Hook Tongue (Other Belt) 21 Hook Tongue (Other Belt) 31 Hook Tongue (Other Belt) 13 Tongue Part 23 Tongue Part 33 tongue part 17 webbing part 24 webbing part 34 webbing part 25 core material (closed loop part) 35 core material (closed loop part) 27 extension part 37 extension part 28 thin part 38 thin part

Claims (4)

[Claims] 1. A seat cushion and a seat back, wherein one of the belts is disposed on the seat cushion, and the other of the belts that can be engaged with and disengaged from one of the belts is disposed on the seat back. In the automotive seat, the other side of the belt has rigidity such that a portion that can be engaged with and disengaged from one of the belts does not deform during engagement, and a portion on the side provided on the seat back is flexible. An automobile seat, comprising: 2. The automobile seat according to claim 1, wherein a portion of the other of the belts, which is engageable with and disengageable from one of the belts, is formed of a metal plate and is disposed in the seat back. The side portion is made of a webbing made of cloth or the like, which is an automobile seat. 3. The automobile seat according to claim 1, wherein the other portion of the belt, which is engageable with and disengageable from one of the belts, is formed in a closed loop shape capable of engaging with and disengaging from one of the belts. And a side disposed on the seat back, on the side of the portion on the side of the seat back where the closed loop portion is disposed, extending to the side of the side disposed on the seat back. An automobile seat characterized in that a bendable thin-walled portion is formed between this portion and a portion that can be engaged and disengaged with one of the belts. 4. The vehicle seat according to claim 3, wherein the closed loop portion is formed with a pressing portion capable of engaging and pressing the closed loop portion to one side of the belt. Automotive seat.