CN101570150A

CN101570150A - Seat back

Info

Publication number: CN101570150A
Application number: CN 200810095591
Authority: CN
Inventors: 田口雅之; 伊东康行
Original assignee: Tachi S Co Ltd
Current assignee: Tachi S Co Ltd
Priority date: 2008-04-29
Filing date: 2008-04-29
Publication date: 2009-11-04
Anticipated expiration: 2028-04-29
Also published as: CN101570150B

Abstract

The invention relates to a seat back which enables the integral formability of gaskets relative to surfaces to be good, and the assembling performance of the surfaces and the gaskets relative to a frame is good. The seat back has the structure that a covering body (S) which clamps a frame (6) front and back comprises a front surface (1) and a rear surface (2), wherein the inside of the front surface (1) is provided with a gasket (3) made of foaming bodies, and the rear surface (2) is provided with a gasket (4); meanwhile, inserting holes (10A, 10A) for supporting members (64, 64) to insert are arranged on the covering body (S); and the front surface (1) and the rear surface (2) are combined in to a whole by a buckle mechanism (5A) and a buckle mechanism (5B) which are mutually buckled.

Description

Back of seat

Technical field

The present invention relates to a kind of chair backrest structure of automotive sheet.

Background technology

On the conventional seat backrest, for the assembleability that makes epidermis is good, the use that has the epidermis (for example, referring to patent documentation 1) of bag shape that rear side is opened wide.

This is after the liner (pad) that will be made by foaming body is assembled on the framework, and the epidermis by covering the bag shape is also assembled back of seat with the rear side epidermis of this epidermis with the slide fastener locking.

On the other hand, such back of seat is also disclosed, promptly, in the epidermis of bag shape, with the rear side lower open, in front and the inboard of the top at the back side, side, the bonding in advance liner of making by foaming body or carry out foaming, after covering it on framework, with the epidermis slide fastener locking (for example, referring to patent documentation 2) of rear side bottom.

Patent documentation 1: Japanese kokai publication hei 2-177992 communique

Patent documentation 2: TOHKEMY 2005-262628 communique

Summary of the invention

Invent problem to be solved

Above-mentioned conventional seat backrest all is to be formed in the mode that the epidermis on the top (top at the front and the back side) that constitutes back of seat and the insert integral of being made by foaming body that has integratedly in the inboard of this epidermis are configured as bag shape and hold the top of framework.

Therefore, be used to constitute in shaping when the part epidermis and liner on top of this back of seat, because be a bag shape, so exist the bad undesirable condition of dispersion formability bad, liner of the expanding foam solution that liner breaks, spacer forming is used when needing somatotype after shaping such as centre part.

Therefore, the objective of the invention is, provide a kind of liner with respect to the integrally formed property of epidermis good and epidermis, the liner back of seat superior with respect to the assembleability of framework.

In order to solve the means of problem

Be used for realizing the back of seat of the present invention of above-mentioned purpose, be made of nappe and framework that above-mentioned nappe is by procuticle, back epidermis and be made of the liner that foaming body is made, above-mentioned procuticle constitutes the front face side of above-mentioned back of seat; Above-mentioned back epidermis constitutes the rear side of above-mentioned back of seat, and some and above-mentioned procuticle link into an integrated entity; Above-mentioned insert integral ground is positioned at each inboard of above-mentioned procuticle and back epidermis, said frame by constitute above-mentioned nappe and have in the inboard liner procuticle and the back epidermis from the front and back clamping, on the part of above-mentioned nappe, be provided with the barrel-contoured patchhole that is used to insert supporting member, above-mentioned supporting member is inserted to the carriage that is used to support headrest that has in said frame one side, constitutes the procuticle of above-mentioned nappe and back epidermis and is combined into one by the snap fastener of the mutual engaging that has at their end at least.

Above-mentioned liner green phase carries out bonding or foaming and be arranged to one for procuticle, back epidermis.

In addition, above-mentioned procuticle links into an integrated entity with the part that the back epidermis is preferably in the top that constitutes back of seat.

And then, rear panel can also be arranged on the above-mentioned central portion of epidermis afterwards.

Therefore, paste the front be placed on framework by the procuticle that will have liner in the inboard and constitute nappe, supporting member (holder) is injected patchhole, and this supporting member is inserted on the carriage of headrest supporting usefulness, nappe is positioned on the assigned position of framework.Then, the rear side by with padded back epidermis cover framework is combined into one back epidermis and procuticle with snap fastener, can assemble back of seat.

The effect of invention

According to the present invention, because on the nappe that constitutes by the procuticle of the front face side of cover framework and rear side and back epidermis and the liner that has in their inboard, be not shaped as the part of bag shape, so, epidermis is good with respect to the formability of liner, and nappe is also fine with respect to the assembleability of framework.

Description of drawings

Fig. 1 is the block diagram of expression assembled state of the present invention.

Fig. 2 is the local amplification profile of the nappe relevant with the present invention.

Fig. 3 is the block diagram with seat of the back of seat relevant with the present invention.

Fig. 4 is the IV-IV line section-drawing of Fig. 3.

Fig. 5 is the section-drawing of main portion.

Nomenclature:

S: nappe; 1: procuticle; 2: the back epidermis; 3: the all-in-one-piece liner is set with procuticle; 4: the all-in-one-piece liner is set with the back epidermis; 5A: as the engaging part of snap fastener; 5B: as the engaging part of snap fastener; 6: framework; 10A, 10A: patchhole

The specific embodiment

For the optimal way that carries out an invention

Fig. 1 represents the state of assembling motor vehicle with the back of seat of seat, and SC represents Chain cushion (seat cushion) among the figure, and S represents nappe, the framework of 6 expression back of seats.

Above-mentioned nappe S serve as reasons the front face side that constitutes back of seat procuticle 1, constitute back epidermis 2 that the upper end 10 of the rear side of back of seat and some and above-mentioned procuticle 1 links into an integrated entity, non-bag of shape shape that the liner of being made by foaming body 3,4 that has integratedly in each inboard of above-mentioned procuticle 1 and back epidermis 2 constitutes.

Above-mentioned procuticle 1, back epidermis 2 all are the parts that use in existing back of seat, and as shown in Figure 2, two

epidermises

1,2 link into an integrated entity by sewing up on top etc.In addition, the liner of being made by foaming body 3,4 that has integratedly in the inboard of this each

epidermis

1,2 for example is respectively a separate component, by with

lining cement

3A, 4A is bonding or foaming, is arranged on the inboard of each

epidermis

1,2 integratedly.

And, in the side end that connects above-mentioned procuticle 1 and back epidermis 2, be stitched with engaging part 5A, the 5B of the slide fastener etc. of mutual engaging as snap fastener, after having covered framework 6 with nappe S, by this

engaging part

5A, 5B are engaged mutually, as shown in Figure 3, just can assemble back of seat SB.

Therefore, procuticle 1, back epidermis 2 as shown in Figure 4, are being made in conjunction with the all-in-one-piece mode is installed by engaging

part

5A, 5B in the left and right sides of back of seat SB portion.

Promptly, procuticle 1 is to be made of main leaf 12 and the lateral plate 11 that is positioned at about it, back epidermis 2 is to be made of central portion 22 and the group's

cloth

21,23 and the top 20 that are positioned at about it, above-mentioned engaging

part

5A, 5B be seamed in the end of above-mentioned left and right sides

lateral plate

11,13 and top 20 about and on the end of group's

cloth

21,23.

And as shown in Figure 4, the inboard at the main leaf 12 and the

lateral plate

11,13 of procuticle 1 is provided with liner 3 integratedly, in addition, on the top 20 of back epidermis 2 and the inboard of group's

cloth

21,23, is provided with the liner of being made by foaming

body

40,41,41 integratedly.

Above-mentioned procuticle 1 and back epidermis 2 are when being combined into one by engaging

part

5A, 5B, the corresponding to mode of the suitable line of beautiful fringing with binding site and back of seat SB (finishing product) forms procuticle 1, back epidermis 2, simultaneously, procuticle 1 is connected in center upper portion with back epidermis 2, and is provided with

engaging part

5A, 5B about it.Therefore, be divided into the nappe S of procuticle 1, back epidermis 2, when being combined into one, be mounted on the framework 6 with the tension force of equalization by engaging

part

5A, 5B.

In addition, on the procuticle 1 that has liner 3 integratedly, be provided with patchhole 10A, the 10A of known supporting

member

64,64 interspersed shown in Figure 1, after being inserted into supporting

member

64,64 on above-mentioned patchhole 10A, the 10A, by this supporting

member

64,64 being inserted to the carriage that is used for

support column

65,65 61,61 of the headrest H on the top that is welded on framework 6, nappe S is positioned in the assigned position of framework 6.

Framework 6 is parts of known in the past structure, graphic framework 6 is to be made of the pipe frame 62 that is flexed into the word of falling U shape, the sheet metal frame 63 clasping these pipe two lower ends of 62 and carried out the コ word shape of welding, and used with support units such as S shape spring be multistage shape ground up and down be located at this framework 6 about between structure.

In addition, though not shown,, also can or be arranged on the notch of central portion 2 at the inboard of the central portion 22 of the back epidermis 2 that liner 4 is not set, rear panel (back panel) is set.

And then, when snap fastener 5A, 5B such as slide fastener being seamed on above-mentioned

lateral plate

11,13 and the group's

cloth

21,23, also can beautiful fringing (not shown) be seamed on engaging part 5A, the 5B simultaneously along a side or the both sides of engaging part 5A, 5B.According to such structure, owing to decorate this sutured portion with the beautiful fringing along engaging

part

5A, 5B, the presentation quality of back of seat SB improves.

Also have; air bag is arranged in the back of seat SB, this air bag when automobile collides from the side of back of seat SB to the outstanding structure of foreign side with the protection passenger; when above-mentioned engaging

part

5A, 5B are sewed up, as long as between the engaging part 5A, the 5B that are sewn on lateral plate 11 or the group's cloth 21, be provided for air bag to the outstanding air bag cracking unit in outside.

Because nappe S constitutes as described above, so after on the patchhole 10A, the 10A that supporting member 64 are inserted into procuticle 1 one sides, by this supporting

member

64,64 being inserted on the

carriage

61,61 of framework 6 one sides, procuticle 1, back epidermis 2 just are positioned on the assigned position of framework 6.

And, when procuticle 1 is pasted the front face side that is placed on framework 6, back epidermis 2 is pasted the back side that is placed on framework 6, and procuticle 1, back epidermis 2 have been combined into after the one with engaging

part

5A, 5B, the bottom 31 of the liner 3 of procuticle 1 one sides is returned on the bottom 63A that is rolled onto frame 63 with the bottom of procuticle 1, be mounted to one by following ora terminalis 22A with the holding element (retainer), the collar combinations such as (hog ring) that are formed from a resin, just can assemble back of seat SB its this time ora terminalis 12A and back epidermis 2.

And the

pillar

65,65 by the H that will rest the head on interts on above-mentioned supporting

member

64,64, and headrest H is installed on the back of seat SB.

Therefore, owing on above-mentioned nappe S, do not form the part of bag shape, as existing product, when being shaped, need or not centre part etc. fully.Therefore, can prevent liner fracture etc. as the existing product.

In addition, the assembleability with respect to framework 6 also becomes good.

In addition, by being formed on procuticle 1, the back epidermis 2 liner 3,4 is bonding, as foaming, expanding foam solution that spacer forming uses can not occur and expose and damage the situation of engaging

part

5A, 5B such as slide fastener, and can liner 3,4 closely be set with engaging

part

5A, 5B at the periphery of procuticle 1, back epidermis 2.

And then, owing to make the binding site that forms by engaging

part

5A, 5B be in the corresponding to position of the suitable line of beautiful fringing of finishing the back of seat SB of product with conduct, so engaging

part

5A, 5B present the outward appearance as beautiful fringing, can improve the presentation quality of back of seat.

Claims

1. back of seat is characterized in that:

Described back of seat is made of nappe and framework, and above-mentioned nappe is by procuticle, back epidermis and be made of the liner that foaming body is made, and above-mentioned procuticle constitutes the front face side of above-mentioned back of seat; Above-mentioned back epidermis constitutes the rear side of above-mentioned back of seat, and some and above-mentioned procuticle link into an integrated entity; Above-mentioned insert integral ground is positioned at each inboard of above-mentioned procuticle and back epidermis,

Said frame by constitute above-mentioned nappe and have in the inboard liner procuticle and the back epidermis from the front and back clamping,

Be provided with the barrel-contoured patchhole that is used to insert supporting member on the part of above-mentioned nappe, above-mentioned supporting member is inserted to the carriage that is used to support headrest that has in said frame one side,

Constituting the procuticle of above-mentioned nappe and back epidermis is combined into one by the snap fastener of the mutual engaging that has at their end at least.

2. back of seat according to claim 1 is characterized in that:

Above-mentioned procuticle is made of main leaf and the lateral plate that is positioned at about it, and simultaneously, above-mentioned back epidermis is made of central portion and the group's cloth and the top that are positioned at about it,

Be sewn on the top of above-mentioned back epidermis by main leaf upper end, above-mentioned procuticle, above-mentioned back epidermis be made of one with being non-bag shape above-mentioned procuticle,

The lateral plate of above-mentioned procuticle and the group's cloth and the top of above-mentioned back epidermis are engaged by above-mentioned snap fastener.

3. back of seat according to claim 1 and 2 is characterized in that: in inboard and the group's cloth of above-mentioned back epidermis and the inboard on top of the main leaf of above-mentioned procuticle and lateral plate, each is provided with the liner of being made by foaming body integratedly.