JP2011156252A - Tucking holding structure for seat cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a holder for holding a seat cover in a hung state, the holder having configuration allowing a user to hardly feel foreign-body sensation when seated. <P>SOLUTION: A tucking holding structure for a seat cover is the structure for tucking and holding a part of a cushion cover 3B (the seat cover) inside a first tucking groove 3A1 which is formed on a cushion pad 3A. A first clip 10 for holding a first fitting implement 3B1 in a lock state, which is arranged in the cushion cover 3B, is arranged inside the first tucking groove 3A1. The first clip 10 includes: a leg portion 11 embedded and held in the cushion pad 3A; and a lock portion 12 which is exposed inside the first tucking groove 3A1 and locks the first fitting implement 3B1. The leg portion 11 is constituted of two leg pieces 11A formed in a crank shape, and by applying to the cushion pad 3A, pressure load in a direction to crush the first tucking groove 3A1 in the depth direction of the groove, the leg portion is promoted to elastically bend-deform in an input direction of the pressure load. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a suspension holding structure for a seat cover. More specifically, the present invention relates to a seat cover suspending and holding structure in which a part of the seat cover is suspended in a suspending groove formed on a cushion pad.

  Conventionally, in a vehicle seat, a seat cover is held in a state in which a part of the seat cover is suspended in a suspension groove, so that wrinkles caused by the extra length are extended. Some have been provided. Here, Patent Document 1 below discloses an example of the above-described seat cover suspension structure. In this disclosure, a holding tool that can be held in a state in which a hanging tool provided on a seat cover is engaged with a hanging groove formed in a cushion pad is partially integrated. Provided.

  Then, by pulling the seat cover into the hanging groove and engaging the hanging tool with respect to the holding tool, the sheet cover is held in a state of being hung in the hanging groove. ing. The above holding tool is formed of a resin material having a certain rigidity that can hold the hanging tool in an engaged state, and is inserted into the cushion pad and partially embedded in the cushion pad. It is provided in an integrated state.

JP-A-6-335576

  However, in the related art disclosed above, since the holder embedded in the cushion pad is hard, there arises a problem that the thickness of the cushion pad has to be increased in order to alleviate the feeling of foreign matters when sitting.

  The present invention was devised to solve the above-described problems, and the problem to be solved by the present invention is to feel a foreign object feeling when sitting on a holding tool that holds the seat cover in a suspended state. It is to make it the structure which is hard to be made to do.

In order to solve the above-mentioned problems, the seat cover suspension structure of the present invention takes the following means.
A first aspect of the invention is a seat cover suspending and holding structure capable of holding a part of a seat cover in a state of being suspended in a suspending groove formed on a cushion pad. In the hanging groove, there is provided a holder that can hold the hook provided on the seat cover in a locked state. The holder is configured to include a leg portion embedded and held in the cushion pad, and a locking portion that includes a portion that can be exposed to the hanging groove to lock the hanging tool. . The leg portion includes a first deformation promoting portion that is elastically bent in the input direction of the load and promotes deformation by applying a pressing load in a direction in which the groove is suspended in the cushion pad in the depth direction of the groove. Is formed.

  According to the first aspect of the present invention, the holder is locked in the hanging groove by the hook provided on the seat cover being locked to the locking portion exposed in the hanging groove. Hold in a suspended state. In this holder, when a pressing load is applied to the cushion pad in the direction of crushing the hanging groove in the depth direction of the groove, the leg portion embedded in the hanging groove is moved by the first deformation promoting portion. It is elastically bent in the input direction of the load to promote deformation. Thereby, when a passenger | crew sits down on a sheet | seat, it can be made hard to feel the foreign material feeling by the holder being embed | buried.

  Next, according to a second aspect of the present invention, in the first aspect described above, the leg portion is further elastically bent and accelerated in a direction perpendicular to the deformation promotion direction of the first deformation promotion portion. A second deformation promoting portion that can be formed is formed.

  According to the second aspect of the invention, the leg portion can promote the deformation in the direction perpendicular to the deformation promotion direction of the first deformation promotion portion by the second deformation promotion portion. The legs can be flexibly deformed and deformed with respect to loads applied from various directions.

  Next, a third invention is the above-described first or second invention, wherein the leg portion has a plurality of legs extending in a crank shape in such a manner that the leg is widened in the depth direction of the hanging groove. It is formed by a piece. A crank portion of each leg piece forms a first deformation promoting portion that makes it possible to promote deformation in the input direction of a load applied to the leg portion in the depth direction of the hanging groove.

  According to the third aspect of the invention, the leg portion is formed by the plurality of leg pieces extending in a crank shape, whereby the first deformation promoting portion can be simply configured.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view of a vehicle seat provided with a seat cover suspension structure according to a first embodiment. It is the disassembled perspective view which showed the suspension holding structure of the cushion cover. It is a perspective view of a 1st clip. It is the IV-IV sectional view taken on the line of FIG. It is sectional drawing which showed the state in which the compressive load was applied to the 1st clip. It is sectional drawing which showed the state in which the tensile load was applied to the 1st clip. It is a perspective view of a 2nd clip. It is the VIII-VIII sectional view taken on the line of FIG. FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. It is the front view which showed the state which the 1st clip bent and deform | transformed in the side-down state.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated using drawing.

  First, the structure of the seat cover suspension holding structure according to the first embodiment will be described with reference to FIGS. As shown in FIGS. 1 to 2, the seat cover suspension holding structure of the present embodiment is configured so that a predetermined portion of the cushion cover 3 </ b> B of the seat cushion 3 constituting the seating portion of the vehicle seat 1 is placed on the cushion pad 3 </ b> A. A configuration is provided for holding each of the recessed first and second recessed grooves 3A1 and 3A2 in a suspended state. Here, the first suspending groove 3A1 and the second suspending groove 3A2 described above each correspond to the suspending groove of the present invention.

  Here, the vehicle seat 1 includes a seat back 2 that serves as a backrest for a seated occupant and a seat cushion 3 that serves as a seating portion. Specifically, as shown in FIG. 2, the seat cushion 3 includes a cushion pad 3 </ b> A made of a urethane resin foam molded body that constitutes the cushion portion, and a cloth-like cushion cover that covers the entire surface of the cushion pad 3 </ b> A. 3B. Here, the cushion cover 3B corresponds to the seat cover of the present invention. The cushion pad 3A described above is set and provided on the upper part of the skeleton frame of the seat cushion 3 (not shown), and the elastic force of the cushion pad 3A softly supports the buttocks and thighs of the seated occupant from below. ing.

  Further, the cushion cover 3B is covered with the entire upper surface of the cushion pad 3A described above, and its peripheral portion is rotated from the front surface portion and the rear surface portion of the cushion pad 3A to the lower surface side of the cushion pad 3A. It is provided in a state where it is engaged and held on the skeleton frame of the seat cushion 3 (not shown). Specifically, the cushion cover 3B described above is formed by stitching a plurality of cloth materials into one piece, and the long plate-like first hanging tool 3B1 and the second hook member joined to the stitching portion on the back side. The hanging tool 3B2 is suspended in the first suspending groove 3A1 and the second suspending groove 3A2 formed in a recess on the cushion pad 3A, respectively, and installed inside these suspending grooves 3A1 and 3A2. Further, by being hooked on the plurality of first clips 10 and second clips 20, they are provided in a state of being suspended and held in the respective suspending grooves 3A1 and 3A2. Here, the first hanging tool 3B1 and the second hanging tool 3B2 respectively correspond to the hanging tool of the present invention, and the first clip 10 and the second clip 20 respectively correspond to the holding tool of the present invention.

  The cushion pad 3A described above is formed such that both side portions 3Ac swell upward from the center portion, and the thighs of the seated occupant can be supported from both outsides by these side portions 3Ac. It has a configuration with a side support function. Further, the center part of the cushion pad 3A is formed such that the front part 3Aa is swollen upward from the rear part 3Ab, and the front part 3Aa swells to prevent the seat occupant's buttocks from sliding forward. It has a configuration that can.

  Each of the first suspension grooves 3A1 is elongated in the front-rear direction along the boundary line so as to partition the center portion and both side portions 3Ac of the cushion pad 3A in the width direction. The second suspension groove 3A2 extends in the width direction so as to partition the central portion of the cushion pad 3A into the front portion 3Aa and the rear portion 3Ab in the front and rear direction, and both end portions thereof. Are connected to the first hanging grooves 3A1 on each side.

  And inside each 1st hanging groove 3A1 extended in the elongate shape in the above-mentioned front-back direction, the long plate extended in the elongate shape in the front-back direction couple | bonded with the stitching | suture part of the back side of the above-mentioned cushion cover 3B. A plurality of first clips 10 that can be inserted and locked to the respective first hooks 3B1 are embedded. These first clips 10 are provided in a state of being aligned in a line in the same direction in the front-rear direction along the groove shape of each first hanging groove 3A1.

  In addition, the second suspension groove 3A2 extending in the width direction as described above has a long plate-like shape extending in the width direction coupled to the stitching portion on the back side of the cushion cover 3B. A plurality of second clips 20 into which the two hanging tools 3B2 can be inserted and locked are embedded. These second clips 20 are provided in a state of being aligned in the same direction in the width direction along the groove shape of the second hanging groove 3A2.

  The first clip 10 and the second clip 20 described above have their lower portions (leg portions 11, 21) embedded in the cushion pad 3 A and are held integrally with the cushion pad 3 A. These upper portions (locking portions 12, 22) are exposed in the first hanging groove 3A1 and the second hanging groove 3A2, and the first hanging tool 3B1 or The second hook 3B2 is configured to be locked. The first clip 10 and the second clip 20 are seated on the seat cushion 3, and the first hanging groove 3A1 and the second hanging groove 3A2 are formed in the cushion pad 3A in the depth direction of the groove. By applying a pressing load in the direction of crushing in the (height direction), elastic deformation in the input direction of the load is promoted, and foreign matters caused by the respective clips 10 and 20 being embedded in the seat occupant It has a configuration that makes it difficult to feel the feeling.

  Hereinafter, a specific configuration of each of the clips 10 and 20 will be described in detail. Each clip 10 and 20 has the same basic configuration itself so that each of the hooks 3B1 and 3B2 can be locked or elastically bent and deformed when the load is input. However, the relative alignment directions of the upper portion (locking portions 12 and 22) and the lower portion (leg portions 11 and 21) are different from each other. Therefore, in the following, with respect to the configuration of both the clips 10 and 20, the portion of the basic configuration itself is the same and the configuration of the first clip 10 is parenthesized in the second clip 20. The configuration will also be described collectively, and the configuration will be described separately for each part having a different specific configuration.

  Here, FIG. 3 shows the overall configuration of the first clip 10 alone in a perspective view, and FIG. 7 shows the overall configuration of the second clip 20 alone in a perspective view. FIG. 4 is a schematic view showing a state in which the first clip 10 is embedded in the first hanging groove 3A1, and in FIG. 8, the second clip 20 is a second clip. The state of being embedded in the hanging groove 3A2 is shown by a schematic diagram. As shown in FIG. 4 (FIG. 8), the first clip 10 (second clip 20) has a leg portion 11 (leg portion 21) embedded in the cushion pad 3A as a first suspension. It is formed by two leg pieces 11A (leg pieces 21A) extending in the shape of a crank in such a manner that the legs are widened in the depth direction of the groove of the insertion groove 3A1 (second suspension groove 3A2).

  Further, the locking portion 12 (locking portion 22) exposed in the first hanging groove 3A1 (second hanging groove 3A2) of the first clip 10 (second clip 20) has the length described above. The hook-like hanging part 3B1a (hanging part 3B2a) formed at the front end of the plate-like first hanging tool 3B1 (second hanging tool 3B2) is elastically inserted into the both sides by insertion. A claw piece 12A (claw piece 22A) which can be hooked is formed in a shape protruding in a claw shape from two plate pieces facing each other toward inward sides.

  Specifically, each of the leg pieces 11A (leg pieces 21A) described above has a first piece P1 to a third piece P3 (a first piece Q1 to a third piece Q3). 11A1, second piece 11A2, third piece 11A3 and fourth piece 11A4 (first piece 21A1, second piece 21A2, third piece 21A3 and fourth piece 21A4) bent in a crank shape The entire leg portion 11 (leg portion 21) is inserted when the cushion pad 3A is foamed to be embedded in the cushion pad 3A and integrated with the cushion pad 3A. It is arranged in the state.

  More specifically, each of the first pieces 11A1 (first pieces 21A1) described above is formed in a shape that hangs downward from the approaching position facing each other while slightly widening the angle formed between them. Further, each second piece 11A2 (second piece 21A2) is formed in a bent shape so as to jump outward from the lower end of each first piece 11A1 (first piece 21A1). Has been. Further, each third piece 11A3 (third piece 21A3) widens the angle formed between the above-described second piece 11A2 (second piece 21A2) from the outer end toward the lower side. It is formed in a shape depending on.

  Each fourth piece 11A4 (fourth piece 21A4) is bent so as to extend horizontally from the lower end of each third piece 11A3 (third piece 21A3) to the outside. Is formed. The angle θ between the first pieces 11A1 (first pieces 21A1) described above is not limited to the angle shown in the figure, and is set to an arbitrary angle of 90 degrees or less. It is what is done. Similarly, the angle α formed by each second piece 11A2 (second piece 21A2) and each third piece 11A3 (third piece 21A3) is also set to an arbitrary angle of 90 degrees or less. The angle β formed by each third piece 11A3 (third piece 21A3) and each fourth piece 11A4 (fourth piece 21A4) is set to an arbitrary angle of 90 degrees or more. Is.

  Here, as shown in FIG. 4, the bottom surface of the cushion pad 3 </ b> A is directly below the first suspension groove 3 </ b> A <b> 1 and is parallel to the first suspension groove 3 </ b> A <b> 1 on each side. A concave back groove 3 </ b> A <b> 3 extending in a long direction in the direction is formed. Each of the first clips 10 is formed in a shape in which the legs of the leg pieces 11A spread so as to straddle the back grooves 3A3 in the width direction. Further, as shown in FIG. 8, the above-described second clip 20 is disposed with its leg portion 21 oriented in the same direction as the leg portion 11 (see FIG. 4) of the above-described first clip 10. In this state, the locking portion 22 is formed so as to face the direction perpendicular to the locking portion 12 of the first clip 10, and is suspended in the second hanging groove 3A2. The hanging part 3B2a of the hanging tool 3B2 is inserted and locked.

  As shown in FIG. 5, the first clip 10 (second clip 20) having the above-described configuration is formed by providing the cushion pad 3 </ b> A with the first suspension groove 3 </ b> A <b> 1 (second suspension groove 3 </ b> A <b> 2) in the depth direction of the groove. When the pressing load in the crushing direction is applied, the leg portion 11 (leg portion 21) configured to bend and deform more easily than the locking portion 12 (locking portion 22), together with the cushion pad 3A, the input direction of the load. It is crushed elastically and is bent and deformed so that the whole is compressed in the input direction of the load.

  Specifically, the first clip 10 (second clip 20) receives the action of the input load, so that the leg portion 11 (leg portion 21) has the first node portion P1 to the third node portion. While each of the first piece 11A1 to the fourth piece 11A4 (the first piece 21A1 to the fourth piece 21A4) is bent and deformed with P3 (first node Q1 to third node Q3) as a hinge, While the posture of both leg pieces 11A (leg pieces 21A) is extended outwardly, the overall height is pushed downwards (in the load input direction side) so as to promote the deformation in the input direction of the load. It has become. Here, by setting each of the first node P1 to the third node P3 (first node Q1 to third node Q3) described above, the first clip 10 (second The configuration in which the clip 20) can bend and deform in the load input direction corresponds to the first deformation promoting portion of the present invention.

  As described above, when the load is input, the leg portion 11 (leg portion 21) and the cushion pad 3A are allowed to bend and deform in the acting direction of the input load. The relative height positional relationship with the upper surface of the locking portion 12 (locking portion 22) is difficult to be narrowed, and the first clip 10 (second clip 20) is attached to the cushion pad 3A by the seated occupant. It is possible to make it difficult to feel a foreign object feeling due to being embedded in the inside.

  Further, as shown in FIG. 6, the first clip 10 (second clip 20) is input with a load that pulls the first hook 3B1 (second hook 3B2) upward. In this case, the leg portion 11 (leg portion 21) configured to bend and deform more easily than the locking portion 12 (locking portion 22) is elastically pulled in the load input direction together with the cushion pad 3A. The whole is bent and deformed so as to be stretched in the load input direction.

  Specifically, the first clip 10 (second clip 20) receives the action of the input load, so that the leg portion 11 (leg portion 21) has the first node portion P1 to the third node portion. Each of the first piece 11A1 to the fourth piece 11A4 (the first piece 21A1 to the fourth piece 21A4) is bent and deformed with P3 (first node Q1 to third node Q3) as a hinge, While pulling the posture of both leg pieces 11A (leg pieces 21A) to both inner sides, the overall height is extended upward (load input direction side), and the deformation is accelerated in the load input direction. ing.

  Thereby, even if the 1st clip 10 (2nd clip 20) receives the effect | action of the load concerning the said tension | pulling direction, the leg part 11 (leg part 21) bends flexibly toward the input direction of this load. By deforming, the load about which the first hanging tool 3B1 (second hanging tool 3B2) is about to be pulled away from the locking portion 12 (locking portion 22) is reduced, and the hooked state of both is stabilized. It is supposed to be. Returning to FIG. 4 (FIG. 7), the first clip 10 (second clip 20) described above includes the first node P1 to the third node P3 (first node Q1) described above. To the third node portion Q3), the engaging portion is also provided in the direction perpendicular to the direction of action of the input load, that is, in the lateral direction in which both leg pieces 11A (leg pieces 21A) spread the legs. 12 (locking portion 22) is laid sideways so that the bending deformation of each of the first piece 11A1 to the fourth piece 11A4 (first piece 21A1 to fourth piece 21A4) can be promoted. .

  Here, by setting each of the first node P1 to the third node P3 (first node Q1 to third node Q3) described above, the first clip 10 (second The configuration in which the clip 20) is bent in the lateral direction and promotes deformation is equivalent to the second deformation promoting portion of the present invention. Thereby, the leg part 11 (leg part 21) can be more flexibly bent and accelerated by a load applied from various directions. The first clip 10 and the second clip 20 described above are applied from various directions because the leg portions 11 and 21 are disposed in the same direction with respect to the cushion pad 3A. With respect to the load, the leg portions 11 and 21 can be bent and deformed in the same deformation mode.

  Next, the structure of the seat cover suspension holding structure according to the second embodiment will be described with reference to FIGS. In the present embodiment, portions having substantially the same structure and operation as the seat cover suspension holding structure described in the first embodiment are denoted by the same reference numerals and description thereof is omitted. The different parts will be described in detail. 9 to 10, the structure of the leg portion 11 of the first clip 10 will be described with the reference numerals of the leg portions 21 of the corresponding second clip 20 in parentheses.

  As shown in FIG. 9, the first clip 10 (second clip 20) of the present embodiment is placed on the middle part of each third piece 11 </ b> A <b> 3 (third piece 21 </ b> A <b> 3) shown in the first embodiment. Is additionally set by a fourth node P4 (fourth node Q4) which is shaped to be bent inward. Thus, as shown in FIG. 10, when the first clip 10 (second clip 20) bends and deforms in the direction of falling sideways, the fourth node P4 (fourth node Q4) on one side is formed. ) As a hinge, a deformation mode for deforming so as to fold the third piece 11A3 (third piece 21A3) on the same side is added, and bending deformation in the direction of falling down can be more suitably promoted. Yes.

  As mentioned above, although embodiment of this invention was described using two Examples, this invention can be implemented with various forms other than the said Example. For example, in each of the above embodiments, the seat cover suspension holding structure of the present invention is applied as a structure in which the cushion cover 3B of the seat cushion 3 is suspended and held on the cushion pad 3A. The cover (seat cover) may be applied as a structure for suspending and holding in a cushion pad of the seat back.

  In each of the above embodiments, the number of the first clip 10 and the second clip 20 corresponding to the holder of the present invention is not particularly limited, but these clips (holders) are provided. The number to be determined is appropriately determined according to the size of the cushion pad and the shape of the hanging groove, and is not particularly limited. In addition, as an example of a leg portion of the holder of the present invention, a leg portion composed of two leg pieces 11A (leg pieces 21A) bent in a crank shape is illustrated. It may be composed of pieces.

  Further, the leg portion does not have to be constituted by the leg piece bent in the above-described crank shape, and the bellows in the deformation direction so as to promote the bending deformation in the input direction of the load shown in the above embodiment. That are shaped like a shape, bent in a direction perpendicular to the direction of deformation to bend and promote deformation, or are not elastically deformed themselves but are elastic on the cushion pad. It may be composed of a link piece that is supported so as to elastically bend and stretch by the generated force.

DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Seat back 3 Seat cushion 3A Cushion pad 3A1 First hanging groove (hanging groove)
3A2 Second hanging groove (hanging groove)
3Aa Front 3Ab Rear 3Ac Side 3A3 Back groove 3B Cushion cover (seat cover)
3B1 First hanging tool (hanging tool)
3B1a hanging part 3B2 second hanging tool (hanging tool)
3B2a hanging part 10 first clip (holding tool)
11 Leg 11A Leg piece 11A1 First piece 11A2 Second piece 11A3 Third piece 11A4 Fourth piece 12 Locking part 12A Claw piece P1 First node P2 Second node P3 Third node Part P4 Fourth node 20 Second clip (holding tool)
21 leg 21A leg piece 21A1 first piece 21A2 second piece 21A3 third piece 21A4 fourth piece 22 locking part 22A claw piece Q1 first node Q2 second node Q3 third node Part Q4 Fourth node θ Angle formed α Angle formed β Angle formed

Claims (3)

A seat cover suspending and holding structure that can be held in a state in which a part of the seat cover is suspended in a suspending groove formed on a cushion pad,
A holding tool that can be held in a state in which a hanging tool provided on the seat cover is locked is provided in the hanging groove,
The holder includes a leg portion embedded and held in the cushion pad and a locking portion having a portion that is exposed in the hanging groove and can lock the hook. ,
A first deformation promotion that causes the leg portion to be elastically bent in the input direction of the load by applying a pressing load in the direction of crushing the suspension groove in the depth direction of the groove on the cushion pad. A seat cover suspension holding structure, characterized in that a portion is formed. The seat cover suspension holding structure according to claim 1,
Furthermore, a second deformation promoting portion is formed, which is capable of elastically bending and promoting deformation in a direction perpendicular to the deformation promoting direction of the first deformation promoting portion with respect to the leg portion. Suspended holding structure for seat covers. The seat cover suspension holding structure according to claim 1 or 2,
The leg portion is formed by a plurality of leg pieces extending in a crank shape in such a manner that the leg is widened in the depth direction of the suspension groove, and the leg portion is formed by a crank portion of each leg piece. The seat cover suspension holding structure is characterized in that a first deformation promoting portion is formed so that the deformation can be promoted in the input direction of the load applied in the depth direction of the suspension groove. .

Images