JP5272187B2 - Trim cover mounting structure - Google Patents

Trim cover mounting structure Download PDF

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JP5272187B2
JP5272187B2 JP2009017888A JP2009017888A JP5272187B2 JP 5272187 B2 JP5272187 B2 JP 5272187B2 JP 2009017888 A JP2009017888 A JP 2009017888A JP 2009017888 A JP2009017888 A JP 2009017888A JP 5272187 B2 JP5272187 B2 JP 5272187B2
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shaped hook
trim cover
front piece
cushion pan
locking claw
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JP2010172469A (en
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武 中村
明俊 山下
寛 家亀
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NHK Spring Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To facilitate and hasten the mounting (locking) of a J-shaped hook member, and to reduce the material cost and manufacturing cost of the J-shaped hook member. <P>SOLUTION: In the mounting structure, locking claws 10, 12 are cut and raised in a front piece 6 and respective side pieces 7 of a cushion pan 3 where a trim cover 5 is mounted, the J-shaped hook members 14a, 14b locked on the locking claw 10, 12 of the cushion pan 3 are sewn to the lower end part of the trim cover 5 for every part opposite to the front piece 6 and the respective side pieces 7, separately, and two vertical slits 15 are formed according to the width of the locking claw 10a functioning as a stopper on the front piece 6 side, at the J-shaped hook member 14a opposite to the front piece 6. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、自動車用座席シートのクッションパンに装着するトリムカバーの装着構造に関するものである。   The present invention relates to a trim cover mounting structure that is mounted on a cushion pan of an automobile seat.

従来の自動車用座席シートとして、クッションパンを覆うトリムカバーの下端部にＪ字形フック部材を縫着しておき、このＪ字形フック部材をクッションパンやこのクッションパンに取り付けられたワイヤなどに係止するものがある。これにより、トリムカバーにテンションを付与し、このトリムカバーのクッションパンに対する取付作業、更には座席シートの組立作業の各作業効率を高めることができる（例えば、特許文献１参照）。   As a conventional automobile seat, a J-shaped hook member is sewn to the lower end of a trim cover that covers the cushion pan, and the J-shaped hook member is locked to the cushion pan or a wire attached to the cushion pan. There is something to do. Thereby, a tension | tensile_strength can be provided to a trim cover and each work efficiency of the attachment operation | work with respect to the cushion pan of this trim cover, and also the assembly operation | work of a seat can be improved (for example, refer patent document 1).

また、前記のようなトリムカバーに縫着されたＪ字形フックを、クッションパンの前部片および側部片に形成された開口孔に係止するトリムカバーの装着構造も提案されている（例えば、特許文献２参照）。
図９は、かかる開口孔を持つクッションパンを備えた従来の座席シートＡを一部縦断して示す斜視図である。 A trim cover mounting structure has also been proposed in which the J-shaped hooks sewn on the trim cover as described above are engaged with the opening holes formed in the front and side pieces of the cushion pan (for example, , See Patent Document 2).
FIG. 9 is a perspective view showing a part of a conventional seat A provided with a cushion pan having an opening hole in a longitudinal direction.

この座席シートＡは、シートクッション１とシートバック２とを有し、シートクッション１は、トリムカバー５に被覆されたパッド４を前記クッションパン３上に装着するようにして構成されている。クッションパン３は全体として鋼材を矩形に成形したものからなり、前部片６と、この前部片６に連設された側部片７、７と、これらの側部片７、７に連設された後部片８とを有する。前部片６には略等間隔の位置に３個の開口孔９が形成されている。この開口孔９の形成時に、図１０に示すような係止爪１０が、開口孔９の下縁から、クッションパン３内部の斜め上方に向かって切り起こされている。
また、側部片７、７にもそれぞれ１個ずつの開口孔１１と係止爪１２が前記同様に形成されている。 The seat A has a seat cushion 1 and a seat back 2, and the seat cushion 1 is configured such that a pad 4 covered with a trim cover 5 is mounted on the cushion pan 3. The cushion pan 3 is made of a steel material formed into a rectangular shape as a whole, and includes a front piece 6, side pieces 7, 7 connected to the front piece 6, and these side pieces 7, 7. And a rear piece 8 provided. Three opening holes 9 are formed in the front piece 6 at substantially equal intervals. When the opening hole 9 is formed, a locking claw 10 as shown in FIG. 10 is cut up and obliquely upward from the lower edge of the opening hole 9 inside the cushion pan 3.
Further, one opening hole 11 and one locking claw 12 are formed in the side pieces 7 and 7 in the same manner as described above.

一方、前記トリムカバー５の下端には、図１０および図１１に示すようなＪ字形フック部材１３が取り付けられている。このＪ字形フック部材１３は、前部片６および各側部片７，７に対応する位置に及ぶ長さの長尺体であり、その上端部が全長に亘ってトリムカバー５の下端部に図１０に示すように縫着されている。この縫着部を符号Ｐで示す。   On the other hand, a J-shaped hook member 13 as shown in FIGS. 10 and 11 is attached to the lower end of the trim cover 5. The J-shaped hook member 13 is a long body having a length extending to a position corresponding to the front piece 6 and the side pieces 7 and 7, and an upper end portion of the J-shaped hook member 13 extends to the lower end portion of the trim cover 5 over the entire length. It is sewn as shown in FIG. This sewn portion is indicated by the symbol P.

このＪ字形フック部材１３は合成樹脂の成形品からなり、全体として所定の硬さを持つが、後述のように切除Qされた部分では幾分柔軟性と弾力性を呈するものである。このＪ字形フック部材１３は平らな面を持つ平板部１３ａと、下部に連なる断面がＪ字形をなすフック部１３ｂとからなり、そのフック部１３ｂの先端は鉤状部１３ｃとなっている。   This J-shaped hook member 13 is made of a synthetic resin molded product and has a predetermined hardness as a whole, but exhibits a certain degree of flexibility and elasticity in the cut Q portion as will be described later. The J-shaped hook member 13 includes a flat plate portion 13a having a flat surface and a hook portion 13b having a J-shaped cross section continuous to the lower portion, and the tip of the hook portion 13b is a hook-shaped portion 13c.

従って、かかる構成の座席シートＡのトリムカバー装着構造にあっては、トリムカバー５下端に前述のように取り付けられたＪ字形フック部材１３を、クッションパン３の前部片６および側部片７、７の外側面に沿うようにあてがうように当接する。更に続いて、そのＪ字形フック部材１３のフック部１３ｂを、図１０に示すように前記開口孔９、１１の係止爪１０、１２に引掛ける。これにより、トリムカバー５にはテンションが付与され、着座後に人が立ち上がって座席シートＡから離れた後も、トリムカバー５に皺が発生するのを防止でき、座席シートＡの見栄えを良くすることができる。   Therefore, in the trim cover mounting structure of the seat seat A having such a configuration, the J-shaped hook member 13 attached to the lower end of the trim cover 5 as described above is connected to the front piece 6 and the side piece 7 of the cushion pan 3. , 7 so as to be applied along the outer surface of 7. Subsequently, the hook portion 13b of the J-shaped hook member 13 is hooked on the locking claws 10 and 12 of the opening holes 9 and 11, as shown in FIG. As a result, tension is applied to the trim cover 5, and it is possible to prevent wrinkles from occurring in the trim cover 5 even after a person stands up and separates from the seat seat A after sitting, thereby improving the appearance of the seat seat A. Can do.

ところで、かかる従来のトリムカバーの装着構造にあっては、Ｊ字形フック部材１３をクッションパン３の周りに前記のように当接する場合に、そのクッションパン３のコーナ部付近でＪ字形フック部材１３が大きな曲げ応力を受ける。このため、このコーナ相当部位でＪ字形フック部材１３にひび割れの発生やトリムカバー５に皺を発生することがあった。これはＪ字形フック部材１３が硬質の合成樹脂の成形品であることに起因する。このため、今日では、クッションパン３のコーナ部に対応するＪ字形フック部材１３に、図１１の鎖線Ｑで示す所定領域を、切除することが広く行われている。   By the way, in such a conventional trim cover mounting structure, when the J-shaped hook member 13 is brought into contact with the cushion pan 3 as described above, the J-shaped hook member 13 near the corner portion of the cushion pan 3 is used. Receives a large bending stress. For this reason, cracks may occur in the J-shaped hook member 13 or wrinkles in the trim cover 5 at the corner-corresponding portion. This is because the J-shaped hook member 13 is a molded product of a hard synthetic resin. For this reason, today, it is widely performed to cut a predetermined region indicated by a chain line Q in FIG. 11 in the J-shaped hook member 13 corresponding to the corner portion of the cushion pan 3.

実開平０４−０００２９９号公報Japanese Utility Model Publication No. 04-0000299 特開２０００−１８９２９４号公報JP 2000-189294 A

しかしながら、かかる従来のトリムカバーの装着構造にあっては、Ｊ字形フック部材１３の所定領域を切除した場合にあっても、そのＪ字形フック部材１３自体の硬さから装着作業において剛性感が残り、またクッションパン３に対する装着性、密着性が不十分であるという不都合があった。また、前記所定領域の切除作業は座席シートの組立作業全体の効率を悪くするほか、一体成形品として構成されるＪ字形フック部材１３の材料費、製造費のコストアップが避けられないという不都合があった。   However, in such a conventional trim cover mounting structure, even when a predetermined region of the J-shaped hook member 13 is cut away, a rigidity feeling remains in the mounting operation due to the hardness of the J-shaped hook member 13 itself. In addition, there is an inconvenience that the mounting property and adhesion to the cushion pan 3 are insufficient. In addition, the excision work of the predetermined area deteriorates the efficiency of the entire seat seat assembling work, and the material cost and manufacturing cost of the J-shaped hook member 13 configured as an integrally molded product cannot be avoided. there were.

本発明は、前述のような従来の問題点を解決するものであり、クッションパンに対するＪ字形フック部材の装着（係止）作業を容易化、迅速化できるとともに、Ｊ字形フック部材の装着状態を安定化でき、更にこのＪ字形フック部材の材料費や製造費の軽減を図ることができるトリムカバーの装着構造を得ることを目的とする。   The present invention solves the conventional problems as described above, and facilitates and speeds up the mounting (locking) operation of the J-shaped hook member with respect to the cushion pan, and the mounted state of the J-shaped hook member. It is an object of the present invention to obtain a trim cover mounting structure that can be stabilized and that can reduce the material cost and manufacturing cost of the J-shaped hook member.

前述した目的を達成するために、本発明に係るトリムカバーの装着構造は、パッドを被覆する袋状のトリムカバーが装着されるクッションパンと、
このクッションパンの前部片および左右の各側部片のそれぞれに切り起こして形成された係止爪と、
前記クッションパンの前記前部片および左右側部片のそれぞれに対応する部位ごとに前記トリムカバーの下端部に別々に取付られて、前記クッションパンの前記係止爪に係止可能な前部および左右部のＪ字形フック部材とを備え、
少なくとも前記前部片に装着する前記前部Ｊ字形フック部材のフック部には、所定間隔のスリットにより該スリット間を可撓部に分割形成し、
前記前部Ｊ字形フック部材が係止する前記係止爪には、該係止爪とは傾斜角度を異にし、前記可撓部を係止する独立のストッパ機能の係止爪が設けられ、前記可撓部を該ストッパ機能の係止爪に係止すると、該ストッパ機能の係止爪が可撓部を形成したスリット間に介入することを特徴とする。 In order to achieve the above-described object, a trim cover mounting structure according to the present invention includes a cushion pan to which a bag-shaped trim cover covering a pad is mounted,
A locking claw formed by cutting and raising each of the front piece and the left and right side pieces of the cushion pan,
A front portion that is separately attached to a lower end portion of the trim cover for each portion corresponding to each of the front piece and the left and right side pieces of the cushion pan, and can be locked to the locking claw of the cushion pan; With left and right J-shaped hook members,
At least the hook portion of the front J-shaped hook member to be attached to the front piece is formed by dividing the slit into flexible portions by slits of a predetermined interval,
The locking claw locked by the front J-shaped hook member is provided with a locking claw of an independent stopper function that locks the flexible portion with a different inclination angle from the locking claw. When the flexible portion is locked to the locking claw having the stopper function, the locking claw having the stopper function intervenes between the slits forming the flexible portion .

この構成により、Ｊ字形フック部材を前部および左右部のＪ字型フック部材としているので、クッションパンの前部片および左右の側部片にそれぞれ個別に宛がわれて当接され、各Ｊ字形フック部材のフック部を前部片および各側部片の各係止爪に係止可能になるため、硬質のＪ字形フック部材をクッションパンのコーナ部で強制的に曲げるという作業やそのコーナ部を切除するという作業がなくなり、結果的に座席シートの組立作業の効率を大幅に改善できる。この場合において、前部Ｊ字形フック部材のフック部に形成した可撓部をストッパ機能の係止爪に係止すると、該ストッパ機能の係止爪が可撓部を形成したスリット間に介入し、該スリット間に係止されて、その前部片に対する横ずれが回避される。更に、Ｊ字形フック部材の材料使用量を減らして座席シートの製造コストの削減に寄与することができる。 With this configuration, since the J-shaped hook members are the front and left and right J-shaped hook members, the front and right side pieces of the cushion pan are individually addressed and brought into contact with each of the J-shaped hook members. Since the hook portion of the letter-shaped hook member can be locked to the locking claws of the front piece and the side pieces, the work of forcibly bending the hard J-shaped hook member at the corner portion of the cushion pan or its corner As a result, the efficiency of assembling the seat can be greatly improved. In this case, when the flexible part formed on the hook part of the front J-shaped hook member is locked to the stopper claw, the stopper claw intervenes between the slits forming the flexible part. , Being locked between the slits, the lateral displacement with respect to the front piece is avoided. Furthermore, it is possible to reduce the material usage of the J-shaped hook member and contribute to the reduction of the seat seat manufacturing cost.

また、本発明に係るトリムカバーの装着構造は、パッドを被覆する袋状のトリムカバーが装着されるクッションパンと、
このクッションパンの前部片および左右の各側部片のそれぞれに切り起こして形成された係止爪と、
前記クッションパンの前記前部片および左右側部片のそれぞれに対応する部位ごとに前記トリムカバーの下端部に別々に取付られて、前記クッションパンの前記係止爪に係止可能な前部および左右部のＪ字形フック部材とを備え、
少なくとも前記前部片に装着する前記前部Ｊ字形フック部材のフック部には、前記前部片の少なくとも１つの係止爪に対応する部位に、係止爪の幅より少し長い間隔で切欠部が形成され、この切欠部に対応する部位の係止爪が切欠部に嵌入することを特徴とする。 The trim cover mounting structure according to the present invention includes a cushion pan on which a bag-shaped trim cover covering the pad is mounted,
A locking claw formed by cutting and raising each of the front piece and the left and right side pieces of the cushion pan,
A front portion that is separately attached to a lower end portion of the trim cover for each portion corresponding to each of the front piece and the left and right side pieces of the cushion pan, and can be locked to the locking claw of the cushion pan; With left and right J-shaped hook members,
At least the hook portion of the front J-shaped hook member to be mounted on the front piece has a notch portion at a position slightly longer than the width of the locking claw at a portion corresponding to at least one locking claw of the front piece. Is formed, and a locking claw at a portion corresponding to the notch is fitted into the notch.

この構成により、Ｊ字形フック部材のフック部の切欠部に係止爪が嵌入し、前部片に対する横ずれを防止する他は、前記と同様の作用、効果を奏する。   With this configuration, the locking claw is fitted into the notch portion of the hook portion of the J-shaped hook member, and the same operation and effect as described above are achieved except that the lateral displacement with respect to the front piece is prevented.

さらに、本発明に係るトリムカバーの装着構造は、パッドを被覆する袋状のトリムカバーが装着されるクッションパンと、
このクッションパンの前部片および左右の各側部片のそれぞれに切り起こして形成された係止爪と、
前記クッションパンの前記前部片および左右側部片のそれぞれに対応する部位ごとに前記トリムカバーの下端部に別々に取付られて、前記クッションパンの前記係止爪に係止可能な前部および左右部のＪ字形フック部材とを備え、
少なくとも前記前部片に装着する前記Ｊ字形フック部材は、トリムカバーの下端部に所定の間隔をおいて複数が取付けられ、前記前部片には少なくとも１つの前記Ｊ字形フック部の間に介在する係止爪が設けられていることを特徴とする。 Furthermore, the trim cover mounting structure according to the present invention includes a cushion pan on which a bag-shaped trim cover covering the pad is mounted;
A locking claw formed by cutting and raising each of the front piece and the left and right side pieces of the cushion pan,
A front portion that is separately attached to a lower end portion of the trim cover for each portion corresponding to each of the front piece and the left and right side pieces of the cushion pan, and can be locked to the locking claw of the cushion pan; With left and right J-shaped hook members,
A plurality of the J-shaped hook members attached to at least the front piece are attached to the lower end portion of the trim cover at a predetermined interval, and the front piece is interposed between at least one of the J-shaped hook portions. A locking claw is provided.

この構成によりトリムカバーの下端部に間隔をおいて取付けられたＪ字形フック部材とＪ字形フック部材との間に前部片に設けられた係止爪が介在するので、前部片に対する横ずれが回避される他は、前記と同様な作用、効果を奏する。   With this configuration, the locking claw provided on the front piece is interposed between the J-shaped hook member and the J-shaped hook member that are attached to the lower end portion of the trim cover at an interval, so that the lateral displacement with respect to the front piece is prevented. Other than being avoided, the same operations and effects as described above can be achieved.

本発明によれば、Ｊ字形フック部材の分割設置によりクッションパンに対する各Ｊ字形フック部材の装着（係止）作業を容易化および迅速化を可能にするとともに、Ｊ字形フック部材の横ずれを防止でき、加えて材料費や製造費の軽減を図ることができる。   According to the present invention, by installing the J-shaped hook member in a divided manner, it is possible to facilitate and speed up the mounting (locking) operation of each J-shaped hook member with respect to the cushion pan, and it is possible to prevent the lateral displacement of the J-shaped hook member. In addition, material costs and manufacturing costs can be reduced.

本発明の実施形態によるトリムカバーの装着構造に用いるＪ字形フック部材を示す斜視図である。It is a perspective view which shows the J-shaped hook member used for the mounting structure of the trim cover by embodiment of this invention. 本発明の実施形態によるトリムカバーの装着構造を示す要部の拡大縦断面図である。It is an expanded vertical sectional view of the principal part which shows the mounting structure of the trim cover by embodiment of this invention. 本発明の実施形態によるトリムカバーの装着構造を示す要部の拡大斜視図である。It is an expansion perspective view of the principal part which shows the mounting structure of the trim cover by embodiment of this invention. Ｊ字形フック部にスリットで可撓部を形成した部位の係止爪への係止状態を示す拡大部分斜視図である。It is an expansion partial perspective view which shows the latching state to the latching claw of the site | part which formed the flexible part with the slit in the J-shaped hook part. 図１に示すＪ字形フック部材をクッションパンに取り付けた状態の斜視図である。It is a perspective view of the state which attached the J-shaped hook member shown in FIG. 1 to the cushion pan. 本発明の他の実施形態を示し、（ａ）はトリムカバー下端部に本実施の形態に係るＪ字形フック部材を取付けた状態を示す概略正面図、（ｂ）はトリムカバー下端部に取付けられたＪ字形フック部材をクッションパンの前部片に係止した状態を示す要部拡大斜視図である。Fig. 4 shows another embodiment of the present invention, in which (a) is a schematic front view showing a state where a J-shaped hook member according to the present embodiment is attached to the lower end portion of the trim cover, and (b) is attached to the lower end portion of the trim cover. It is a principal part expansion perspective view which shows the state which latched the J-shaped hook member to the front piece of the cushion pan. 本発明のさらに他の実施形態を示し、（ａ）はトリムカバー下端部へのＪ字形フック部材の取付け状態を示す概略正面図、（ｂ）はトリムカバー下端部に取付けられたＪ字形フック部材をクッションパンの前部片に係止した状態を示す要部拡大斜視図ある。FIG. 4 shows still another embodiment of the present invention, in which (a) is a schematic front view showing a state where the J-shaped hook member is attached to the lower end portion of the trim cover, and (b) is a J-shaped hook member attached to the lower end portion of the trim cover. It is a principal part expansion perspective view which shows the state which latched to the front piece of the cushion pan. トリムカバー下端部に取付けられたＪ字形フック部材をクッションパンの前部片（又は側部片）に係止した状態の具体例を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the specific example of the state which latched the J-shaped hook member attached to the trim cover lower end part to the front piece (or side piece) of the cushion pan. 従来の座席シートを一部縦断して示す斜視図である。It is a perspective view which cuts and shows the conventional seat seat partially. 図９に示すクッションパンとＪ字形フック部材との結合状態を示す拡大縦断面図である。FIG. 10 is an enlarged longitudinal sectional view showing a coupling state between the cushion pan and the J-shaped hook member shown in FIG. 9. 従来のＪ字形フック部材の斜視図である。It is a perspective view of the conventional J-shaped hook member.

以下、本発明に係るトリムカバーの装着構造の実施形態を、図１乃至図３を参照して説明する。   Hereinafter, an embodiment of a trim cover mounting structure according to the present invention will be described with reference to FIGS. 1 to 3.

本実施形態におけるトリムカバーの装着構造では、図１に示すようなＪ字形フック部材１４が用いられる。このＪ字形フック部材１４は、従来のＪ字形フック部材１３を３分割したような形態をなす。即ち、クッションパン３の前部片６に装着し前部片６の係止爪１０に係止可能な前部Ｊ字形フック部材１４ａおよび左右の側部片７、７に装着し左右の側部片７、７の係止爪１２に係止可能な左部Ｊ字形フック部材１４ｂ、右部Ｊ字形フック部材１４ｂとなっている。このＪ字形フック部材１４ａおよび２つのＪ字形フック部材１４ｂを合わせた長さは、従来のＪ字形フック部材の全長より十分に短めとされている。なお、左右のＪ字形フック部材１４ｂは共に同一形状、サイズである。   In the trim cover mounting structure in the present embodiment, a J-shaped hook member 14 as shown in FIG. 1 is used. The J-shaped hook member 14 has a configuration in which the conventional J-shaped hook member 13 is divided into three parts. That is, it is attached to the front J-shaped hook member 14a that can be attached to the front piece 6 of the cushion pan 3 and can be engaged with the engaging claw 10 of the front piece 6 and the left and right side pieces 7 and 7, and left and right side parts. A left J-shaped hook member 14b and a right J-shaped hook member 14b that can be locked to the locking claws 12 of the pieces 7 and 7 are provided. The combined length of the J-shaped hook member 14a and the two J-shaped hook members 14b is sufficiently shorter than the overall length of the conventional J-shaped hook member. The left and right J-shaped hook members 14b have the same shape and size.

このため、本実施形態では、２種類のＪ字形フック部材１４ａ、１４ｂが用意される。また、これらのＪ字形フック部材１４ａ、１４ｂは前記クッションパン３の前部片６および各側部片７に対応する位置のトリムカバー５下端に、図２および図３に示すように、それぞれ別々に縫着される。
なお、左右のＪ字形フック部材１４ｂ、１４ｂは、同一形状、サイズでなくてもよいが、同一形状、サイズだと部品点数が少なくて済むので好ましい。 For this reason, in this embodiment, two types of J-shaped hook members 14a and 14b are prepared. These J-shaped hook members 14a and 14b are separately provided at the lower end of the trim cover 5 at positions corresponding to the front piece 6 and the side pieces 7 of the cushion pan 3, as shown in FIGS. Sewn on.
The left and right J-shaped hook members 14b and 14b need not have the same shape and size, but the same shape and size are preferable because the number of parts can be reduced.

これらのＪ字形フック部材１４ａ、１４ｂは合成樹脂の成形品からなり、全体として所定の硬さを持つが、僅かの柔軟性と弾力性を呈する。これらのＪ字形フック部材１４ａ、１４ｂは平らな面を持つ平板部１４ｃ、１４ｄとその下部に連なる断面がＪ字形をなすフック部１４ｅ、１４ｆとからなり、そのフック部１４ｅ、１４ｆの先端は鉤状部１４ｇ、１４ｈとなっている。これらの鉤状部１４ｇ、１４ｈは、後述の係止爪１０、１２に対して大きな摩擦力と係止力で係止するように機能する。   These J-shaped hook members 14a and 14b are made of a synthetic resin molded product and have a predetermined hardness as a whole, but exhibit slight flexibility and elasticity. These J-shaped hook members 14a and 14b are composed of flat plate portions 14c and 14d having flat surfaces and hook portions 14e and 14f having a J-shaped cross section connected to the lower portion thereof. 14g and 14h. These hook-shaped parts 14g and 14h function to be locked with a large frictional force and locking force with respect to locking claws 10 and 12 described later.

Ｊ字形フック部材１４ａのフック部１４ｅの中央部、即ちクッションパン３の前部片６に形成された開口孔９に対応する部位には、この開口孔９に連続する係止爪１０ａ（図４参照）の幅に合わせて（実際には、この幅より僅か大き目）２本のスリット１５、１５が切り込まれている。このため、このスリット１５、１５に挟まれた領域はこれの左右側の領域から分断され、平板部１４ｃ面に交差する方向に傾動可能な可撓部１６とされている。従って、この可撓部１６はある程度の弾性および柔軟性を持つこととなる。   In the central portion of the hook portion 14e of the J-shaped hook member 14a, that is, in a portion corresponding to the opening hole 9 formed in the front piece 6 of the cushion pan 3, a locking claw 10a (FIG. 4) continuous to the opening hole 9 is formed. The two slits 15 and 15 are cut in accordance with the width of (see) (actually slightly larger than this width). For this reason, the area | region between these slits 15 and 15 is divided | segmented from the area | region on the right-and-left side, and it is set as the flexible part 16 which can be tilted in the direction which cross | intersects the flat plate part 14c surface. Therefore, the flexible portion 16 has a certain degree of elasticity and flexibility.

従って、かかる構成の座席シートのトリムカバー装着構造にあっては、トリムカバー５下端に前述のように縫着によって取り付けられたＪ字形フック部材１４ａ、１４ｂを、クッションパン３の前部片および側部片７、７の外側面に個別にあてがって当接する。続いて、そのＪ字形フック部材１４ａ、１４ｂのフック部１４ｅ、１４ｆを、図２および図３に示すようにクッションパン３に形成された上向きの係止爪１０、１２に引掛ける。   Therefore, in the seat cover trim cover mounting structure having such a configuration, the J-shaped hook members 14a and 14b attached to the lower end of the trim cover 5 by sewing as described above are connected to the front piece and the side of the cushion pan 3. The pieces 7 and 7 are individually applied to and abut on the outer surface. Subsequently, the hook portions 14e and 14f of the J-shaped hook members 14a and 14b are hooked on the upward locking claws 10 and 12 formed on the cushion pan 3 as shown in FIGS.

これにより、各Ｊ字形フック部材１４ａ、１４ｂは、図３、図４に示すようにクッションパン３の前部片６と側部片７とに別々に装着される。従って、前記フック部１４ｅ、１４ｆの係止爪１０、１２に対する引掛け操作によって、トリムカバー５にはテンションが付与される。このため、着座後に人が立ち上がって座席シートＡから離れた後も、トリムカバー５に皺が発生するのを防止でき、座席シートＡの見栄えを良くすることができる。
Thereby, each J-shaped hook member 14a, 14b is separately mounted on the front piece 6 and the side piece 7 of the cushion pan 3, as shown in FIGS . Accordingly, tension is applied to the trim cover 5 by the hooking operation of the hook portions 14e, 14f with respect to the locking claws 10, 12. For this reason, it is possible to prevent wrinkles from occurring in the trim cover 5 even after a person stands up and leaves the seat seat A after sitting, and the appearance of the seat seat A can be improved.

この場合において、Ｊ字形フック部材１４ａにスリット１５、１５で可撓部１６が設けられている部位においては、前記Ｊ字形フック部材１４ａのフック部１４ｅにスリット１５、１５によって分割形成された可撓部１６は、クッションパン３の前部片６に形成されたストッパ機能の係止爪１０ａに対峙するとともに、トリムカバーのテンションを受けて、この係止爪１０ａに接触する。従って、この可撓部１６は相対的に係止爪１０ａによって、図４に示すように左方へ僅かに押し出され、その係止爪１０ａが、図４に示すように前記２つのスリット１５、１５間に介入することとなる。この係止爪１０ａは、係止爪１０とは独立して形成される。   In this case, in the portion where the flexible portion 16 is provided by the slits 15 and 15 in the J-shaped hook member 14a, the flexible portion that is divided and formed by the slits 15 and 15 in the hook portion 14e of the J-shaped hook member 14a. The portion 16 opposes the locking claw 10a having a stopper function formed on the front piece 6 of the cushion pan 3, and receives the tension of the trim cover to contact the locking claw 10a. Accordingly, the flexible portion 16 is relatively pushed leftward by the locking claw 10a as shown in FIG. 4, and the locking claw 10a has the two slits 15, as shown in FIG. Intervene between fifteen. The locking claw 10 a is formed independently of the locking claw 10.

従って、各スリット１５、１５間への係止爪１０ａの介在によって、Ｊ字形フック部材１４ａは前部片６の前面における水平方向への位置ずれ（横ずれ）が阻止される。この結果、トリムカバー５に対するテンションの付与方向に変化がなく、一定の緊張状態が維持される。
クッションパン３の前部片６に設ける係止爪１０は、１個だけでなく複数個であってもよい。図５では前部片６に３個の係止爪１０を設けた場合を示しており、本例ではそのうちの中央の係止爪１０を係止爪１０ａとし、この係止爪１０ａに対応するＪ字形フック部材１４ａのフック部１４ｅの位置に、係止爪１０ａの幅より少し長い間隔をおいてスリット１５、１５を設け可撓部１６を設けた場合を示している。従って、中央の係止爪１０ａへの係止は、図４に示す状態となるが、両側の係止爪１０への係止は、図２および図３に示す状態となる。
もちろん各側部片７の係止爪１２に係止するＪ字形フック部材１４ｂの係止状態は、図２および図３に示す状態となる。 Accordingly, the J-shaped hook member 14a is prevented from being displaced in the horizontal direction (lateral deviation) on the front surface of the front piece 6 by the interposition of the locking claws 10a between the slits 15 and 15. As a result, there is no change in the direction in which the tension is applied to the trim cover 5, and a constant tension state is maintained.
The number of the locking claws 10 provided on the front piece 6 of the cushion pan 3 may be not only one but also a plurality. FIG. 5 shows a case where three locking claws 10 are provided on the front piece 6. In this example, the central locking claw 10 is a locking claw 10 a and corresponds to this locking claw 10 a. The case where the slits 15 and 15 are provided in the position of the hook part 14e of the J-shaped hook member 14a at intervals slightly longer than the width | variety of the latching claw 10a, and the flexible part 16 is shown is shown. Therefore, the locking to the central locking claw 10a is in the state shown in FIG. 4, but the locking to the locking claw 10 on both sides is in the state shown in FIG. 2 and FIG.
Of course, the locked state of the J-shaped hook member 14b locked to the locking claw 12 of each side piece 7 is the state shown in FIGS.

なお、この前部のＪ字形フック部材１４ａのフック部１４ｅにスリット１５、１５によって可撓部１６を形成する構成は、クッションパン３の左右の側部片７、７に装着する左右部のＪ字形フック部材１４ｂ、１４ｂのフック部１４ｆに採用してもよい。これにより左右の側部片７、７に対し左右部のＪ字形フック部材１４ｂの位置ずれ（横ずれ）も防止され、トリムカバー５がより強固に安定化する。   The configuration in which the flexible portion 16 is formed by the slits 15, 15 in the hook portion 14 e of the J-shaped hook member 14 a at the front portion is such that the left and right side J to be mounted on the left and right side pieces 7, 7 of the cushion pan 3. You may employ | adopt as the hook part 14f of the character-shaped hook members 14b and 14b. Thereby, the position shift (lateral shift) of the left and right side J-shaped hook members 14b with respect to the left and right side pieces 7 and 7 is also prevented, and the trim cover 5 is more firmly stabilized.

このように、本実施形態では、トリムカバーの装着構造を、パッド４を被覆する袋状のトリムカバー５が装着されるクッションパン３と、このクッションパン３の前部片６および左右の各側部片７のそれぞれに切り起こして形成された係止爪１０、１２と、クッションパン３の前部片６および各側部片７のそれぞれに対応する部位ごとにトリムカバー５の下端部に別々に縫着されて、クッションパン３の係止爪１０、１２に係止可能なＪ字形フック部材１４ａ、１４ｂとを備える構成として、少なくとも前部片６に係止するＪ字形フック部材１４ａに、その前部片６側の係止爪１０ａの幅に合わせて縦方向の複数のスリット１５を形成した。   Thus, in the present embodiment, the trim cover mounting structure includes the cushion pan 3 on which the bag-shaped trim cover 5 covering the pad 4 is mounted, the front piece 6 of the cushion pan 3 and the left and right sides. The locking claws 10, 12 formed by cutting and raising each of the pieces 7, and the portions corresponding to the front piece 6 and the side pieces 7 of the cushion pan 3 are separately provided at the lower end of the trim cover 5. And J-shaped hook members 14a and 14b that can be locked to the locking claws 10 and 12 of the cushion pan 3, and at least the J-shaped hook members 14a that are locked to the front piece 6, A plurality of vertical slits 15 were formed in accordance with the width of the locking claw 10a on the front piece 6 side.

図６（ａ）（ｂ）は、本発明の他の実施形態を示し、（ａ）はトリムカバー下端部に本実施の形態に係るＪ字形フック部材を取付けた状態を示す概略正面図、（ｂ）はトリムカバー下端部に取付けられたＪ字形フック部材をクッションパンの前部片に係止した状態を示す要部拡大斜視図であり、前記実施の形態と同じ構成要素には同一符号を付して他の詳細な説明は省略する。
本例は、図６（ａ）（ｂ）に示すようにクッションパン３の前部片６に装着するＪ字形フック部材１４ａのフック部１４ｅには、切欠部１７が形成され、クッションパン３の前部片６には、該切欠部１７に嵌入するストッパ機能の係止爪１０ｂが形成され、トリムカバー５の下端部に取付けられたＪ字形フック部材１４ａを前部片６に装着すると、前部片６に設けた前記係止爪１０ｂが該Ｊ字形フック部材１４ａのフック部１４ｅに設けた切欠部１７に嵌入する構成となっている。この時の係止爪１０ｂの長さは、前記切欠部１７の長さより少し短く、切欠部１７に略合致して嵌入する長さとする。他は前記実施の形態と同様である。
従って、前部片６に装着したＪ字形フック部材１４ａは、係止爪１０ｂにより前部片６に対する左右横方向への移動が規制されるので、これによりＪ字形フック部材１４ａの前部片６に対する横ずれが防止される。従って、トリムカバー５も安定した装着となり着席を繰り返しても皺が発生することもない。 6A and 6B show another embodiment of the present invention, and FIG. 6A is a schematic front view showing a state in which the J-shaped hook member according to the present embodiment is attached to the lower end portion of the trim cover. b) is an enlarged perspective view of a main part showing a state in which a J-shaped hook member attached to the lower end portion of the trim cover is locked to the front piece of the cushion pan. In addition, other detailed explanation is omitted.
In this example, as shown in FIGS. 6 (a) and 6 (b), a notch 17 is formed in the hook portion 14 e of the J-shaped hook member 14 a to be attached to the front piece 6 of the cushion pan 3, and the cushion pan 3 The front piece 6 is formed with a stopper claw 10b having a stopper function to be fitted into the notch 17, and when the J-shaped hook member 14a attached to the lower end of the trim cover 5 is attached to the front piece 6, The locking claw 10b provided on the piece 6 is configured to fit into a notch 17 provided on the hook portion 14e of the J-shaped hook member 14a. The length of the latching claw 10b at this time is a little shorter than the length of the notch 17 and is a length that fits into the notch 17 substantially. The rest is the same as in the above embodiment.
Therefore, the J-shaped hook member 14a attached to the front piece 6 is restricted from moving in the lateral direction with respect to the front piece 6 by the locking claw 10b, thereby the front piece 6 of the J-shaped hook member 14a. The lateral shift with respect to is prevented. Accordingly, the trim cover 5 is also stably attached, and no wrinkles occur even if the user sits repeatedly.

図７は、本発明のさらに他の実施形態を示し、（ａ）はトリムカバー下端部へのＪ字形フック部材の取付け状態を示す概略正面図、（ｂ）はトリムカバー下端部に取付けられたＪ字形フック部材をクッションパンの前部片に係止した状態を示す要部拡大斜視図であり、前記最初に示した実施の形態と同じ構成要素には同一符号を付して他の詳細な説明は省略する。
本例は、図７（ａ）（ｂ）に示すようにクッションパン３の前部片６に装着するＪ字形フック部材１４ａが、トリムカバー５の下端部に所定の間隔をおいて複数が取付けられ、前記前部片６には前記トリムカバー５に取り付けられたＪ字形フック部材１４ａと１４ａとの間に位置してストッパ機能の係止爪１０ｃが設けられ、トリムカバー５の下端部に取り付けられたＪ字形フック部材１４ａを前部片６に装着すると、前記前部片６に設けた１つの係止爪１０ｃがトリムカバー５の下端部に取り付けたＪ字形フック部材１４ａと１４ａとの間に位置する構成となっている。この時の係止爪１０ｃの長さは、Ｊ字形フック部材１４ａと１４ａの間隔の長さより少し短く、Ｊ字形フック部材１４ａと１４ａとの間に略合致して位置するようになっている。他は前記最初に示した実施の形態と同様である。
従って、前部片６に装着したＪ字形フック部材１４ａは、係止爪１０ｃにより前部片６に対する左右横方向への移動が規制されるので、これによりＪ字形フック部材１４ａの前部片６に対する横ずれが防止される。従って、トリムカバー５も安定した装着となり着席を繰り返しても皺が発生することもない。 7A and 7B show still another embodiment of the present invention, in which FIG. 7A is a schematic front view showing a state where the J-shaped hook member is attached to the lower end of the trim cover, and FIG. 7B is attached to the lower end of the trim cover. It is a principal part expansion perspective view which shows the state which latched the J-shaped hook member to the front piece of the cushion pan, and attaches | subjects the same code | symbol to the same component as embodiment of the said first embodiment, and shows other detailed Description is omitted.
In this example, as shown in FIGS. 7A and 7B, a plurality of J-shaped hook members 14a to be attached to the front piece 6 of the cushion pan 3 are attached to the lower end portion of the trim cover 5 at a predetermined interval. The front piece 6 is provided with a locking claw 10c having a stopper function located between the J-shaped hook members 14a and 14a attached to the trim cover 5, and is attached to the lower end of the trim cover 5. When the J-shaped hook member 14a is attached to the front piece 6, the one claw 10c provided on the front piece 6 is located between the J-shaped hook members 14a and 14a attached to the lower end of the trim cover 5. It is the composition located in. At this time, the length of the locking claw 10c is slightly shorter than the distance between the J-shaped hook members 14a and 14a, and is positioned so as to substantially match between the J-shaped hook members 14a and 14a. Others are the same as those of the first embodiment.
Accordingly, the J-shaped hook member 14a attached to the front piece 6 is restricted from moving in the horizontal direction with respect to the front piece 6 by the locking claw 10c, thereby the front piece 6 of the J-shaped hook member 14a. The lateral shift with respect to is prevented. Accordingly, the trim cover 5 is also stably attached, and no wrinkles occur even if the user sits repeatedly.

これにより、各Ｊ字形フック部材１４ａ、１４ｂをクッションパン３の前部片６および左右の側部片７に個別に宛がって当接し、そのＪ字形フック部材１４ａ、１４ｂの各フック部を前部片６および各側部片7の各係止爪１０、１２に係止することで、Ｊ字形フッ部材１４ａを前部片に沿って横ずれすることを回避できる。また、各Ｊ字形フック部材１４ａ、１４ｂのクッションパン３に対する取り付け作業とともに、座席シートＡの組立作業の効率を大幅に改善できる。更に、Ｊ字形フック部材１４ａ、１４ｂの材料使用量を減らして座席シートＡの製造コストの削減に寄与することができることになる。   Thereby, each J-shaped hook member 14a, 14b is individually addressed and brought into contact with the front piece 6 and the left and right side pieces 7 of the cushion pan 3, and the hook portions of the J-shaped hook members 14a, 14b are brought into contact with each other. By locking the front claw pieces 10 and 12 of the front piece 6 and the side pieces 7, it is possible to avoid the J-shaped hook member 14 a from being laterally displaced along the front piece. Further, the efficiency of assembling the seat A can be greatly improved together with the attaching operation of the J-shaped hook members 14a and 14b to the cushion pan 3. Furthermore, the amount of material used for the J-shaped hook members 14a and 14b can be reduced, which can contribute to a reduction in the manufacturing cost of the seat A.

なお、前記実施の形態は、本発明を制限するものではなく、本発明は要旨を逸脱しない範囲において種々の変形が許容される。例えば、実際には図８に示すようにＪ字形フック部材１４ａ、１４ｂは、トリムカバー５の下端部の内側に取付けられ、クッションパン３の前部片６および側部片７には、Ｊ字形フック部材１４ａ、１４ｂがトリムカバー５で隠れるように装着されている。
このようにするとＪ字形フック部材１４ａ、１４ｂの平板部１４ｃ、１４ｄおよびフック部１４ｅ、１４ｆの一部が、トリムカバー５で押さえられるので、クッションパン３の前部片６および側部片７から不用意に外れることが防止されるし、クッションパン３の前部片６および側部片７に装着したＪ字形フック部材１４ａ、１４ｂがトリムカバー５で隠れて外部から見えないようになり、見栄えが向上するので好ましい。本発明は、このような形態も含むものである。図８において前記実施の形態と同一符号は、前記実施の形態と同じ構成要素を示す。 The above embodiment does not limit the present invention, and various modifications are allowed without departing from the spirit of the present invention. For example, as shown in FIG. 8, the J-shaped hook members 14a and 14b are actually attached to the inside of the lower end portion of the trim cover 5, and the front piece 6 and the side piece 7 of the cushion pan 3 are provided with a J-shape. The hook members 14 a and 14 b are mounted so as to be hidden by the trim cover 5.
In this way, the flat plate portions 14c and 14d and part of the hook portions 14e and 14f of the J-shaped hook members 14a and 14b are pressed by the trim cover 5, so that the front piece 6 and the side piece 7 of the cushion pan 3 The J-shaped hook members 14a, 14b attached to the front piece 6 and the side piece 7 of the cushion pan 3 are hidden by the trim cover 5 so that they cannot be seen from the outside. Is preferable. The present invention includes such a form. In FIG. 8, the same reference numerals as those in the above embodiment denote the same components as those in the above embodiment.

１ シートクッション
２ シートバック
３ クッションパン
４ パッド
５ トリムカバー
６ 前部片
７ 側部片
９、１１ 開口孔
１０、１２ 係止爪
１０ａ、１０ｂ、１０ｃ ストッパ機能をする係止爪
１４、１４ａ、１４ｂ Ｊ字形フック部材
１４ｅ、１４ｆ フック部
１５ スリット
１６ 可撓部
１７ 切欠部

DESCRIPTION OF SYMBOLS 1 Seat cushion 2 Seat back 3 Cushion pan 4 Pad 5 Trim cover 6 Front piece 7 Side piece 9, 11 Opening hole 10, 12 Locking claws 10a, 10b, 10c Locking claws 14, 14a, 14b which perform a stopper function J-shaped hook members 14e, 14f Hook part 15 Slit 16 Flexible part 17 Notch part

Claims (3)

パッドを被覆する袋状のトリムカバーが装着されるクッションパンと、
このクッションパンの前部片および左右の各側部片のそれぞれに切り起こして形成された係止爪と、
前記クッションパンの前記前部片および左右側部片のそれぞれに対応する部位ごとに前記トリムカバーの下端部に別々に取付られて、前記クッションパンの前記係止爪に係止可能な前部および左右部のＪ字形フック部材とを備え、
少なくとも前記前部片に装着する前記前部Ｊ字形フック部材のフック部には、所定間隔のスリットにより該スリット間を可撓部に分割形成し、
前記前部Ｊ字形フック部材が係止する前記係止爪には、該係止爪とは傾斜角度を異にし、前記可撓部を係止する独立のストッパ機能の係止爪が設けられ、前記可撓部を該ストッパ機能の係止爪に係止すると、該ストッパ機能の係止爪が可撓部を形成したスリット間に介入することを特徴とするトリムカバーの装着構造。 A cushion pan to which a bag-like trim cover covering the pad is attached;
A locking claw formed by cutting and raising each of the front piece and the left and right side pieces of the cushion pan,
A front portion that is separately attached to a lower end portion of the trim cover for each portion corresponding to each of the front piece and the left and right side pieces of the cushion pan, and can be locked to the locking claw of the cushion pan; With left and right J-shaped hook members,
At least the hook portion of the front J-shaped hook member to be attached to the front piece is formed by dividing the slit into flexible portions by slits of a predetermined interval,
The locking claw locked by the front J-shaped hook member is provided with a locking claw of an independent stopper function that locks the flexible portion with a different inclination angle from the locking claw. The trim cover mounting structure , wherein when the flexible portion is locked to the stopper claw, the stopper claw intervenes between the slits forming the flexible portion . パッドを被覆する袋状のトリムカバーが装着されるクッションパンと、
このクッションパンの前部片および左右の各側部片のそれぞれに切り起こして形成された係止爪と、
前記クッションパンの前記前部片および左右側部片のそれぞれに対応する部位ごとに前記トリムカバーの下端部に別々に取付られて、前記クッションパンの前記係止爪に係止可能な前部および左右部のＪ字形フック部材とを備え、
少なくとも前記前部片に装着する前記前部Ｊ字形フック部材のフック部には、前記前部片の少なくとも１つの係止爪に対応する部位に、係止爪の幅より少し長い間隔で切欠部が形成され、この切欠部に対応する部位の係止爪が切欠部に嵌入することを特徴とするトリムカバーの装着構造。 A cushion pan to which a bag-like trim cover covering the pad is attached;
A locking claw formed by cutting and raising each of the front piece and the left and right side pieces of the cushion pan,
A front portion that is separately attached to a lower end portion of the trim cover for each portion corresponding to each of the front piece and the left and right side pieces of the cushion pan, and can be locked to the locking claw of the cushion pan; With left and right J-shaped hook members,
At least the hook portion of the front J-shaped hook member to be mounted on the front piece has a notch portion at a position slightly longer than the width of the locking claw at a portion corresponding to at least one locking claw of the front piece. The trim cover mounting structure is characterized in that a locking claw at a portion corresponding to the notch is inserted into the notch. パッドを被覆する袋状のトリムカバーが装着されるクッションパンと、
このクッションパンの前部片および左右の各側部片のそれぞれに切り起こして形成された係止爪と、
前記クッションパンの前記前部片および左右側部片のそれぞれに対応する部位ごとに前記トリムカバーの下端部に別々に取付られて、前記クッションパンの前記係止爪に係止可能な前部および左右部のＪ字形フック部材とを備え、
少なくとも前記前部片に装着する前記Ｊ字形フック部材は、トリムカバーの下端部に所定の間隔をおいて複数が取付けられ、前記前部片には少なくとも１つの前記Ｊ字形フック部の間に介在する係止爪が設けられていることを特徴とするとリムカバーの装着構造。 A cushion pan to which a bag-like trim cover covering the pad is attached;
A locking claw formed by cutting and raising each of the front piece and the left and right side pieces of the cushion pan,
A front portion that is separately attached to a lower end portion of the trim cover for each portion corresponding to each of the front piece and the left and right side pieces of the cushion pan, and can be locked to the locking claw of the cushion pan; With left and right J-shaped hook members,
A plurality of the J-shaped hook members attached to at least the front piece are attached to the lower end portion of the trim cover at a predetermined interval, and the front piece is interposed between at least one of the J-shaped hook portions. The rim cover mounting structure is characterized in that a locking claw is provided.
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