JP2010068901A - Fastening structure of seat cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the excellence of the appearance of a fastening part so as to make an occupant feel that a seat cover at the fastening part is continuous in a flat state. <P>SOLUTION: The fastening structure of the seat cover includes: a male member 31 to which the end edge 22a on one side of an opening 22 is sewn; and a female member 41 which is provided with a female part 45 to which the male member 31 is inserted and fitted together, and to which the side end edge 22b on the other side of the opening 22 is sewn. When the male member 31 is inserted and fitted to the female part 45, the pull-out support position T1 on one side of one seat cover 21A extending from the end edge 22a on one side is adjacent to the pull-out support position T2 on the other side of the other seat cover 21B extending from the end edge 22b on the other side. The female part 45 is formed with an insertion inclination angle θ1 inclined to a pulling direction M on the other side to be pulled out from the pull-out support position T2 on the other side of the other seat cover 21B. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a fastening structure for a seat cover that closes an opening of a seat cover that covers a vehicle seat.

  Conventionally, a vehicle seat installed in a vehicle includes a seat back that serves as a backrest for a seated person. In general, a seat cover made of cloth or leather is disposed on the seat back so as to cover the seat back. Specifically, the seat cover formed in a substantially bag shape is covered from above the seat back, and after covering the seat back, the opening of the seat cover is closed and disposed on the seat back. (For example, refer to Patent Document 1).

FIG. 5 is a cross-sectional view showing a fastening structure 100 of a seat cover 101 as a conventional example.
Fasteners 111 and 112 are used to close the opening 102 of the seat cover 101. That is, among the opening edges of the opening 102, the one side edge 103 located on the rear side of the seat and the other side edge 104 located on the front side of the sheet are sewn to the fasteners 111 and 112 that fit together. The opening 102 is closed by fitting these sewn fasteners 111 and 112 together.
Further, in the fastening structure 100 of the seat cover 101, in order to improve the appearance from the occupant, the one end edge 103 and the other side of the seat cover 101 are arranged so that the fasteners 111 and 112 cannot be seen from the outside. The edge 104 is fastened as close as possible.
JP 2006-298176 A

On the other hand, the above-described fasteners 111 and 112 are made of a resin molded product formed to be sewable in order to sew the one end edge 103 and the other end edge 104 of the seat cover 101. Moreover, this resin molded product is formed by extrusion molding in order to reduce manufacturing costs.
On the other hand, the one side edge 103 and the other side edge 104 of the seat cover 101 are sewn to different fasteners 111 and 112, respectively, so that when the fasteners 111 and 112 are fitted, they are fitted. Depending on the thickness of the fastener 111 thus formed, a step L is generated at the place (connection site) to be fastened. As a result, the seat cover 101 is felt to be discontinuous in a non-planar state by the step L, and the occupant has a poor appearance.
In particular, in a seat back that reclines to a horizontal position that has been widely used in recent years, the portion to be fastened is easier to see than in the conventional case, and thus such a problem of poor appearance. Has become a prominent problem.
It should be noted that the flush state that seems to be continuous to the occupant includes a planar flush state that is flush and planar, as well as a curved flush surface that is curved and flush.

  The present invention has been made in view of such circumstances, and the problem to be solved by the present invention is to provide a passenger with a seat cover fastening structure that closes an opening of a seat cover that covers a vehicle seat. It is to improve the appearance of the place to be fastened so that the seat cover of the place to be fastened (connection part) can be felt as being continuous in a flush state.

In order to solve the above problems, the fastening structure of the seat cover according to the present invention employs the following means.
That is, the fastening structure of the seat cover according to the first aspect of the present invention is a fastening structure of the seat cover for fastening the opening of the seat cover that is covered with the vehicle seat, and one side edge of the opening A male member to which the male member is inserted and a female part into which the male member is inserted and fitted, and a female member to which the other side edge of the opening is sewn, and the male member is inserted into the female part So that the one-side drawer support position of the one seat cover extending from the one side edge and the other-side drawer support position of the other sheet cover extending from the other side edge are adjacent to each other. The female portion is formed to have an insertion inclination angle that is inclined with respect to the other side pulling direction that is pulled out and pulled from the other side drawing support position of the other seat cover, and the insertion inclination angle Said It said male member is characterized in that it is configured with insertable angle section.

According to the fastening structure of the seat cover, when a male member is inserted into the female portion and fitted together, the one-side drawer support position of one seat cover extending from the one-side end edge and the other extending from the other-side end edge Since the seat cover is adjacent to the other side drawer support position, a step is formed between the one side drawer support position of one seat cover and the other side drawer support position of the other seat cover. Absent.
As a result, there is no step at the place to be fastened (connection part), so that the occupant can feel the places to be fastened in a continuous state and improve the appearance of the places to be fastened.

Further, according to the fastening structure of the seat cover, the female portion is formed with an insertion inclination angle that is inclined with respect to the other side pulling direction that is pulled out and pulled from the other side drawing support position of the other seat cover. The insertion inclination angle is set at an angle at which the male member can be inserted into the female portion. Therefore, when the male member is fitted into the female portion, the other-side drawer support position that becomes the above-described portion (connection site) to be fastened. Without interfering with the male member, the male member can be smoothly inserted and fitted into the female portion.
Accordingly, the operation of inserting and fitting the male member into the female portion can be easily performed without difficulty and the opening of the seat cover can be fastened.

The fastening structure of the seat cover according to the second invention is the fastening structure of the seat cover according to the first invention, wherein the insertion inclination angle of the female portion is such that one seat cover extending from the one side edge is the above It is set so that it may incline in the one side tension | pulling direction pulled out from the one side drawer | drawing-out support position and pulled.
According to this seat cover fastening structure, the insertion inclination angle of the female portion is set so that one seat cover extending from the one side edge is inclined in the one-side tension direction in which it is pulled out and pulled from the one-side drawer support position. Therefore, the angle between the one-side tension direction and the fitting direction can be an acute angle.
Accordingly, the insertion base end portion of the male member that supports the drawer of one seat cover at the one-side drawer support position is pulled in the one-side tensile direction that is an acute angle direction with respect to the fitting direction. It is possible to prevent the female part from coming off, and it is advantageous to maintain the fitted state.

The seat cover fastening structure according to a third aspect of the present invention is the seat cover fastening structure according to the first or second aspect of the invention, wherein the male cover supports the drawer of one seat cover at the one-side drawer support position. The insertion base end portion of the member extends along the other side pulling direction of the other seat cover that is pulled out and pulled at the other side drawing support position.
According to this seat cover fastening structure, the insertion base end of the male member that supports the drawer of one seat cover at the one-side drawer support position is pulled out and pulled at the other-side drawer support position. Since it extends along the other side pulling direction, when the male member is inserted into the female part and fitted together, the drawer of one seat cover supported at the one side drawer support position is the other seat cover It will be supported by the shape extended along the other side pulling direction.
As a result, the place to be fastened (connection part) can be brought into a flush state, the passenger can feel as if the places to be fastened are continuous, and the appearance of the places to be fastened is improved.

According to the fastening structure of the seat cover according to the first invention, since there is no step at the place to be fastened (connection part), the occupant can feel the place to be fastened in a continuous state, The appearance of the portion to be fastened can be improved, and the operation of inserting and fitting the male member into the female portion can be easily performed without difficulty and the opening of the seat cover can be fastened.
According to the fastening structure of the seat cover according to the second invention, the male member inserted and fitted into the female part does not come out of the female part, and can be advantageous for maintaining the fitted state. .
According to the fastening structure of the seat cover according to the third invention, the place to be fastened (connection part) can be brought into a flush state, and the place to be fastened by the occupant feels as if it is continuous and fastened. Improve the appearance of the parts.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic side view schematically showing a vehicle seat 10.
The vehicle seat 10 is installed in a vehicle such as an automobile, and includes a seat cushion 11, a seat back 12, and a headrest 13. Here, the seat cover fastening structure according to the embodiment is, for example, a structure when the opening 22 (see FIGS. 2 and 3) of the seat cover 21 covered with the seat back 12 is closed at a position indicated by reference numeral 20. In this structure, the one end edge 22a and the other end edge 22b that serve as the opening 22 of the seat cover 21 are fastened.

FIG. 2 is a cross-sectional view showing a state before fastening in the fastening structure 20 of the seat cover 21 according to the embodiment. 3 is a cross-sectional view showing a fastening state in the fastening structure 20 of the seat cover 21 shown in FIG.
In the following description, the seat cover 21 is provided with reference numeral 21A for one of the seat covers disposed on the back side of the seat back 12, and is arranged so as to wrap around from the front side of the seat back 12 to the back position. The other seat cover to be provided is denoted by reference numeral 21B, and when the two seat covers 21A and 21B are collectively referred to, only the reference numeral 21 is described. Similarly, with respect to the opening 22, the opening for the one seat cover 21 </ b> A is denoted by reference numeral 22 </ b> A, and the opening for the other seat cover 21 </ b> B is denoted by reference numeral 22 </ b> B. , 22B will be described with a simple reference numeral 22.

As shown in FIGS. 2 and 3, the fastening structure 20 of the seat cover 21 includes a male member 31 to which one side edge 22a serving as an opening 22A of one seat cover 21A is sewn, and the other seat cover 21B. And the female member 41 to which the other side edge 22b to be the opening 22B is sewn. Reference numerals 23a and 23b denote sutures for sewing the one end edge 22a and the other end edge 22b to the male member 31 and the female member 41.
The male member 31 and the female member 41 that fasten the opening 22 of the seat cover 21 are provided across the width direction of the vehicle seat 10, and the male member 31 is attached to the female portion 45 of the female member 41. The opening 22 is fastened by inserting and fitting through the opening 44. Note that the symbol K indicates the insertion fitting direction when the male member 31 is inserted into the female portion 45.

The male member 31 is formed by extrusion molding using a resin as a material, and is formed in a substantially flat plate shape as shown in FIGS. Specifically, in the male member 31, the insertion distal end portion 32 that is the distal end side in the insertion fitting direction K has a male hook shape that engages with a female hook portion 49 formed in the female portion 45. A portion 33 is formed. The male side hook-shaped portion 33 is formed only on one side surface of the insertion tip portion 32 toward the other side pulling direction M of the other seat cover 21B.
Of the male member 31, an insertion base end 34 which is the base end side in the insertion fitting direction K is formed with an extending portion 35 extending along the other side pulling direction M of the other seat cover 21B. Yes. As shown in FIG. 3, when the male member 31 is inserted and fitted into the female portion 45, the extending portion 35 functions as the one-side drawer support position T1, and this one-side drawer support position T1. The one sheet cover 21 </ b> A that is pulled in the one-side tension direction N is supported. In addition, as will be described later, the extending portion 35, as shown in FIG. 3, when the male member 31 is inserted and fitted into the female portion 45, is fitted at the other-side drawer support position T2 in the other-side tension direction. It is formed so as to be substantially flush with the cover sewing portion 42 that supports the other seat cover 21B pulled by M. That is, when the male member 31 is inserted and fitted into the female portion 45, the one-side drawer support position T1 and the other-side drawer support position T2 are adjacent to each other.
A concave portion 36 into which the engagement end portion 48 of the female portion 45 is fitted is formed on one side surface of the male member 31 in the one-side tensile direction N of the one seat cover 21A. On the opposite side of the concave portion 36, one side edge 22a of the opening 21A related to one seat cover 21A is folded in two and sewn with a suture thread 23a.

The female member 41 is formed by extrusion molding using a resin as a material. As shown in FIGS. 2 and 3, the cover member sewing portion 42 for sewing the other seat cover 21 </ b> B roughly, The female member 45 is inserted into and fitted with the male member 31, and is formed in a substantially square shape.
As shown in FIGS. 2 and 3, the cover sewing portion 42 has a double structure formed by folding back a flat plate formed by extrusion, and the other seat cover 21B is pulled out and pulled. It is formed so as to extend along the side tension direction M. The other side edge 22b of the other seat cover 21B is sewn with a suture thread 23b so as to be sandwiched at the folded portion where the cover sewing portion 42 has a double structure. In addition, this sewing part is formed in a suitable concave shape so that it can be easily sewn.
As shown in FIG. 3, the cover sewing portion 42 functions as the other-side drawer support position T2, and the other seat cover 21B pulled in the other-side pulling support position T2 is pulled in the other-side pulling direction M. When the male member 31 is inserted and fitted into the female portion 45, it is adjacent to the one-side drawer support position T1 as described above. That is, when the male member 31 is inserted and fitted into the female portion 45, one seat cover 21A pulled in the one-side tension direction N and the other seat cover 21B pulled in the other-side tension direction M are: The extending portion 35 that functions as the one-side drawer support position T1 and the cover sewing portion that functions as the other-side drawer support position T2 so that they are substantially flush with each other at the connection sites T that are the support positions T1 and T2. 42 is configured.

The female portion 45 is formed to have an insertion inclination angle θ1 that is inclined with respect to the other side pulling direction M that is pulled out and pulled from the other side drawing support position T2 of the other seat cover 21B. Specifically, the female portion 45 is formed to have an insertion inclination angle θ1 that is an obtuse angle with respect to the cover sewing portion 42 that extends along the other-side tensile direction M, and is curved in an arc shape so as to surround it. The male member 31 is formed so as to be able to be accommodated with the arc-shaped portion 46 and the storage extending portion 47 extending from the arc-shaped portion 46. That is, the female portion 45 is formed as a bottomed insertion hole shape when viewed from the cross-sectional state shown in FIG. 2, and has an insertion inclination angle θ 1 that is set at an angle at which the male member 31 can be inserted from the opening 44. Is formed. In addition, this storage extension part 47 is provided with the engagement edge part 48 which fits into the recessed part 36 of the male member 31, as mentioned above.
In the female part 45, as described above, the female side hook-like part 49 with which the male side hook-like part 33 formed on the male member 31 is engaged is formed. The female side hook-like portion 49 that engages with the male side hook-like portion 33 is formed only on one side of the female portion 45 toward the one-side pulling direction N of one seat cover 21A.
By the way, the insertion inclination angle θ1 of the female portion 45 described above is set so as to incline in the one-side pulling direction N in which one seat cover 21A extending from the one-side end edge 22a is pulled out and pulled from the one-side pull-out support position T1. Yes. Specifically, as shown in FIG. 3, the female portion 45 includes a one-side pulling direction N in which one seat cover 21A extending from the one-side end edge 22a is pulled out and pulled from the one-side pull-out support position T1, and a male member. The insertion fitting direction K to the female portion 45 of 31 is formed to have an acute inclination angle θ2.

  In the fastening structure 20 of the seat cover 21 configured as described above, the opening 22 of the seat cover 21 is fastened as follows. That is, as shown in FIGS. 2 and 3, the opening of the seat cover 21 is formed in each of the male member 31 (opposite side of the concave portion 36) and the female member 41 (cover sewing portion 42) formed by extrusion molding. Each of the one end edge 22a and the other end edge 22b to be 22 is sewn. Next, the male member 31 is inserted into the female portion 45 of the female member 41, the male side hook-like portion 33 and the female side hook-like portion 49 are engaged, and the male member 31 is fitted to the female portion 45, and the seat cover 21. The opening 22 is fastened.

According to the fastening structure 20 of the seat cover 21 configured as described above, the following operational effects can be achieved.
That is, according to the fastening structure 20 of the seat cover 21 of the above embodiment, when the male member 31 is inserted and fitted into the female portion 45, one side of one seat cover 21A extending from the one side edge 22a. Since the drawer support position T1 and the other side drawer support position T2 of the other sheet cover 21B extending from the other side edge 22b are adjacent to each other, the one side drawer support position T1 of the one sheet cover 21A, There is no step between the other sheet cover 21B and the other drawer support position T2. As a result, there is no step at the place to be fastened (connection site T), so the occupant can feel the places to be fastened in a continuous state and improve the appearance of the places to be fastened.
Further, according to the fastening structure 20 of the seat cover 21, the female portion 45 into which the male member 31 is inserted is drawn with respect to the other side pulling direction M that is pulled out and pulled from the other side drawing support position T2 of the other seat cover 21B. Since the insertion inclination angle θ1 is set at an angle at which the male member 31 can be inserted into the female portion 45, the male member 31 is fitted into the female portion 45. When mating, the male member 31 can be smoothly inserted and fitted into the female portion 45 without interfering with the other-side drawer support position T2, which is the place to be fastened. Thereby, the operation of inserting and fitting the male member 31 into the female portion 45 can be easily performed without difficulty, and the opening 22 of the seat cover 21 can be fastened.

According to the fastening structure 20 of the seat cover 21, the insertion inclination angle θ1 of the female portion 45 is such that one seat cover 21A extending from the one-side end edge 22a is pulled out from the one-side drawer support position T1 and pulled. Since it is set to be inclined to N, the inclination angle θ2 between the one-side tension direction N and the insertion fitting direction K can be an acute angle. As a result, the insertion base end 34 of the male member 31 that supports the drawer of the one seat cover 21A at the one-side drawer support position T1 is pulled in the one-side tension direction N that is an acute angle direction with respect to the insertion fitting direction K. As a result, the male member 31 can be prevented from coming off from the female portion 45, and the fitting state can be advantageously maintained.
In addition, according to the fastening structure 20 of the seat cover 21, when the male member 31 is inserted and fitted into the female portion 45, the male member is attached to the female side hook-like portion 49 formed in the female portion 45. The male side hook-shaped portion 33 of 31 is engaged, and the engaging end portion 48 of the female portion 45 is fitted into the concave portion 36 of the male member 31 on the opposite side of the engaging portion. Thereby, the fitting of the male member 31 to the female portion 45 is strong. The male member 31 uses the rotational force about the concave portion 36 that is generated by pulling in the one-side tensile direction N of one seat cover 21A, so that the female side hook 49 and the male side hook are used. The engagement with the shape portion 33 is made stronger. Further, since the female portion 45 is formed with an arc-shaped portion 46 that is curved in an arc shape, the engagement end portion 48 of the female portion 45 is provided with a preferable spring elasticity by the arc-shaped curve. It has become.

  According to the fastening structure 20 of the seat cover 21, the insertion base end portion 34 of the male member 31 that supports the drawer of one seat cover 21A at the one-side drawer support position T1 is pulled out at the other-side drawer support position T2. Since the extending portion 35 extending along the other side pulling direction M of the other seat cover 21B to be pulled is formed, when the male member 31 is inserted into the female portion 45 and fitted together, The drawer of one seat cover 21A supported at the drawer support position T1 is supported in a shape extending along the other side pulling direction M of the other seat cover 21B. As a result, the place to be fastened (connection part T) can be brought into a flush state, the passenger can feel as if the places to be fastened are continuous, and the appearance of the places to be fastened is improved.

In addition, in the fastening structure of the seat cover which concerns on this invention, it is not limited to above-described embodiment, In the range which does not change the summary of this invention, it can change suitably.
For example, the following modifications different from the above-described embodiment can be given. FIG. 4 is a cross-sectional view showing a fastening structure for a seat cover, which is a modification of the above embodiment.
That is, in the modification shown in FIG. 4, the other-side tension direction M (cover sewing) which is set at an obtuse angle in the fastening structure 20 of the seat cover 21 of the above-described embodiment and is pulled by the other seat cover 21B described above. This is an example in which the insertion inclination angle θ1 in the insertion fitting direction K with respect to the extending direction of the portion 42 is set to a right angle.
Specifically, in the fastening structure 20A of the seat cover 21 as a modified example, the insertion fitting direction K ′ is oriented in a direction perpendicular to the other side pulling direction M ′ (direction in which the cover sewing portion 42 extends). In addition, the insertion inclination angle θ3 is set to be a right angle, and the female portion 45A (46A, 47A) of the female member 41A is formed along the insertion fitting direction K ′. Therefore, the inclination angle θ4 of the insertion fitting direction K ′ with respect to the one-side tensile direction N ′ pulled by one seat cover 21A is larger than that of the fastening structure 20 of the seat cover 21 of the above embodiment. . In the male member 31A, the extending portion 35A formed on the insertion base end portion 34A is perpendicular to the insertion fitting direction K ′ so as to be substantially flush with the cover sewing portion 42. It is extended and formed.
The portions other than the female portion 45A (46A, 47A) of the female member 41A and the insertion base end portion 34A (extending portion 35A) of the male member 31A are configured in the same manner as in the above embodiment. The same reference numerals are given and the description is omitted.
According to the fastening structure 20A of the seat cover 21 according to this modification, when the male member 31A is inserted and fitted into the female portion 45A, one seat cover 21A that is pulled in the one-side tensile direction N ′ and the other The other seat cover 21B pulled in the side pulling direction M ′ is substantially flush with the connection portion T ′ that becomes the support positions T3 and T4.
As described above, the insertion inclination angle according to the present invention is such that when the male member is fitted to the female portion, the male member is inserted into the female portion without interfering with the other-side drawer support position that is a portion to be fastened (connection site). An appropriate angle can be selected as long as it can be smoothly inserted and fitted.

It is a schematic side view which shows a vehicle seat typically. It is sectional drawing which shows the state before fastening in the fastening structure of a seat cover. FIG. 3 is a cross-sectional view showing a fastening state in the fastening structure of the seat cover shown in FIG. 2. It is sectional drawing which shows the fastening structure of the seat cover used as a modification. It is sectional drawing which shows the fastening structure of the seat cover used as a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle seat 11 Seat cushion 12 Seat back 13 Headrest 20 Fastening structure 21 Seat cover 21A One seat cover 21B The other seat cover 22 Opening opening 22a One side edge 22b Other side edge 23a, 23b Suture thread 31 Male member 32 Insertion tip portion 33 Male side flange portion 34 Insertion base end portion 35 Extension portion 36 Concave portion 41 Female member 42 Cover sewing portion 44 Opening portion 45 Female portion 46 Arc-shaped portion 47 Storage extension portion 48 Engagement end portion 49 Female side collar K Insertion fitting direction M Other side pulling direction N One side pulling direction T Connection part T1 One side pulling support position T2 Other side pulling support position θ1 Insertion tilt angle θ2 Tilt angle

Claims (3)

A seat cover fastening structure for fastening an opening of a seat cover covered with a vehicle seat,
A male member to which one side edge of the opening is sewn, and a female member having a female part into which the male member is inserted and fitted and the other side edge of the opening is sewn,
When the male member is inserted and fitted into the female portion, the one side drawer support position of one seat cover extending from the one side edge and the other side of the other seat cover extending from the other side edge It is designed to be adjacent to the drawer support position,
The female portion is formed with an insertion inclination angle that is inclined with respect to the other side pulling direction that is pulled out and pulled from the other side drawing support position of the other seat cover.
The seat cover fastening structure is characterized in that the insertion inclination angle is set to an angle at which the male member can be inserted into the female portion. In the fastening structure of the seat cover according to claim 1,
The insertion inclination angle of the female portion is set so that one seat cover extending from the one side edge is inclined in a one-side tension direction in which the seat cover is pulled out and pulled from the one-side drawer support position. Seat cover fastening structure. In the fastening structure of the seat cover according to claim 1 or 2,
The insertion base end of the male member that supports the drawer of one seat cover at the one-side drawer support position is in the other-side tension direction of the other seat cover that is pulled out and pulled at the other-side drawer support position. The fastening structure of the seat cover characterized by extending along.

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